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30results about How to "Achieve ultra-narrow bezel" patented technology
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Liquid crystal panel, manufacturing method thereof and display device
InactiveCN108153070AAchieve conductionAchieve ultra-narrow bezelNon-linear opticsLiquid-crystal displayColor film
The invention discloses a liquid crystal panel, which comprises a color film substrate, an array substrate, a liquid crystal between the color film substrate and the array substrate, a crystal coatingthin film, a driving chip arranged on the crystal coating thin film and a circuit board; one end of the crystal coating thin film is bonded to the end face of the array substrate, and electrically connected with a metal conductor array in the array substrate; the other end of the crystal coating thin film is bounded with the circuit board. The invention further discloses a manufacturing method ofthe liquid crystal panel, and the display device. When the liquid crystal panel is accessed with signal, the crystal coating thin film is laminated on the end face of the array substrate by the method of end face binding, thus the conduction of the metal conductor array in the array substrate is realized, a long binding zone extended from the TFT substrate side can be avoided; the liquid crystalpanel is good for realizing an ultra-narrow side frame or a frame-free display device.
Owner:HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD
Liquid crystal display device
InactiveCN103676321ASimple structureImprove qualityOptical light guidesNon-linear opticsLiquid-crystal displayLight guide
The invention provides a liquid crystal display device. The liquid crystal display device comprises a backlight module (20), a rubber frame (40) arranged above the backlight module (20), a liquid crystal display panel (60) installed in the rubber frame (40) and a front frame (80) installed on the liquid crystal display panel (60), wherein the backlight module (20) comprises a backboard (2), a light guide panel (4) arranged in the backboard (2), a backlight source (6) arranged in the backboard (2) and an optical membrane set (8) arranged on the light guide panel (4); the backlight source (6) comprises a printed circuit board (62) and a plurality of LED lamps (64) which are installed and electrically connected to the printed circuit board (62); the printed circuit board (62) comprises a side portion (622) and a bottom (624) vertically connected to the side portion (622); the rubber frame (40) is provided with an opening groove (42) corresponding to the backlight source (6); the side portion (622) of the printed circuit board (62) is contained in the opening groove (42).
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
Touch display device
InactiveCN102662534AAchieve ultra-narrow bezelReduce widthInput/output processes for data processingLiquid-crystal displayDisplay device
A touch display device comprises a flat display component, an induction signal transceiving module, a control module and a casing. The induction signal transceiving module is circularly arranged on the periphery of the flat display component, the flat display component, the induction signal transceiving module and the control module are all packaged in the casing, the flat display component comprises a liquid crystal displayer, the induction signal transceiving module comprises a plurality of induction signal transceiving pair pipes and a printed circuit board, and the plurality of induction signal transceiving pair pipes are electrically connected onto the printed circuit board. The induction signal transceiving pair pipes comprise induction signal emitting pipes and induction signal receiving pipes, the printed circuit board is circularly arranged on the periphery of the liquid crystal displayer, the printed circuit board is perpendicular to a liquid crystal displayer panel, and the induction signal transceiving pair pipes electrically connected with the printed circuit board are arranged on the front side of a display surface of the liquid crystal displayer.
Owner:SHENZHEN TIMELINK ECHNOLOGY CO LTD
Pixel array substrate
ActiveCN105552090AReduce Perimeter WidthAchieve ultra-narrow bezelStatic indicating devicesSolid-state devicesShift registerProcessor register
The invention discloses a pixel array substrate. The pixel array substrate comprises a substrate body with at least one penetrating hole, at least one conductive object disposed in the at least one penetrating hole, a plurality of pixel units, a plurality of scanning lines electrically connected with the pixel units, at least one shifting register and at least one bus. The pixel units, the scanning lines and the at least one shifting register are configured on a first surface of the substrate body. The at least one shifting register are used to transfer a first grid electrode signal to corresponding scanning lines. The at least one bus are disposed a second surface of the substrate body. The at least one bus pass through the at least one conductive object and are electrically connected with the at least one shifting register.
Owner:AU OPTRONICS CORP
Display device
The invention provides a display device comprising a display panel and a chip on film connected to the display panel, wherein the display panel comprises a display area and a non-display area surrounding the display area; the display area is provided with a plurality of spaced data lines; the chip on film is provided with a source driving chip and a plurality of fan-out wires connected to the source driving chip at one ends; the other ends of the plurality of fan-out wires are respectively connected to the plurality of data lines correspondingly, and the plurality of fan-out wires form a sector-shaped area. Equivalent to setting the fan-out area of the prior art on the chip on film, the portion near the chip on film of the non-display area of the display panel can be made narrower to achieve an ultra-narrow border of the display panel.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
Metal grid touch module and its applicable touch display device
PendingCN106814897AThin structureSimple processInput/output processes for data processingInsulation layerDisplay device
The invention relates to a metal grid touch module and its applicable touch display device. The metal grid touch module comprises a glass substrate, a first metal conducting layer, a first light-pervious insulation layer, a second metal conducting layer and a second light-pervious insulation layer. The first metal conducting layer is arranged on the first surface of the glass substrate and provided with first metal grid lines. The first light-pervious insulation layer at least partly covers the first metal conducting layer. The second metal conducting layer is arranged on the first light-pervious insulation layer or the second surface of the glass substrate and provided with second metal grid lines, wherein the first metal grid lines are insulated from the second metal grid lines through the first light-pervious insulation layer or the glass substrate, the first metal grid lines are not connected with the second metal grid lines, and the first metal grid lines and the second metal grid lines are staggered with each other. The second light-pervious insulation layer at least partly covers the second metal conducting layer.
Owner:J TOUCH CORPORATION
Touch screen sensing structure, touch screen and narrow-bezel electronic display device
InactiveCN105808027ANarrow widthReduce widthInput/output processes for data processingCapacitanceDisplay device
The invention discloses a touch screen sensing structure, a touch screen and a narrow-bezel electronic display device. The touch screen sensing structure is applied to a capacitive touch screen, wherein a second sensing layer, a first optical cement layer and a first sensing layer are sequentially laminated from bottom to top; a plurality of left-line-arrangement X-coordinate electrodes and a plurality of right-line-arrangement X-coordinate electrodes are arranged on the first sensing layer and are alternatively arranged; a plurality of top-line-arrangement Y-coordinate electrodes are arranged on the second sensing layer. Due to the design of the first sensing layer and the second sensing layer, edge arranged lines of the first sensing layer, edge arranged lines of the second sensing layer and all channel arranged lines do not use a visual region and a cover plate glass edge region, so that the widths of the visual region and the cover plate glass edge region can be reduced largely, the width of a capacitive screen bezel is reduced, and a purpose of reducing the width of a device due to an ultra-narrow bezel, even no bezel, is achieved.
Owner:HUIZHOU TCL MOBILE COMM CO LTD
Display driving board, preparation method thereof and display device
ActiveCN110911393AImprove stabilityImprove yieldStatic indicating devicesSolid-state devicesPad printingDisplay device
The invention relates to the technical field of display, in particular to a display driving board, a preparation method thereof and a display device. The problems that in the prior art, due to the facts that the thickness of a first bonding pad is small, edge breakage occurs, and protection glue wraps the first bonding pad, resistance is too large when side face wiring makes contact with the firstbonding pad, and side face wiring pad printing is poor are solved. In the display driving board provided by the embodiment of the invention, the display driving board is provided with a display areaand a peripheral area, and the peripheral area comprises a binding area close to the first side of the display driving board; the display driving board comprises a substrate layer and a plurality of spaced first bonding pads which are arranged on the substrate layer and located in the binding area. One side face of each first bonding pad is flush with the first side face of the substrate layer, and the first side face of the substrate layer is the side face, corresponding to the first side of the display driving board, of the substrate layer. And the thickness of the first bonding pad is 0.5-2microns. The embodiment of the invention is used for increasing the contact area of the side wiring and the first bonding pad.
Owner:BOE TECH GRP CO LTD +1
Infrared touch screen employing lens
ActiveCN102750049AReduce widthAchieve ultra-narrow bezelInput/output processes for data processingInfraredLiquid-crystal display
An infrared touch screen employing a lens comprises a liquid crystal display and an infrared transceiver module, wherein the infrared transceiver module comprises an infrared emission array composed of a plurality of infrared emission tubes, an infrared receiving array composed of a plurality of infrared receiving tubes and a printed circuit board; the infrared emission array and the infrared receiving array are both welded on the printed circuit board; the infrared emission array and the infrared receiving array are both located at the rear side of the display surface of the liquid crystal display; an optical assembly is arranged between the emission end of the infrared emission array and the receiving end of the infrared receiving array so that the infrared ray emitted by the infrared emission array forms an infrared ray detection network in parallel to the display surface at the front side of the liquid crystal display when the infrared ray is transferred to the infrared receiving array; the optical assembly is arranged at the periphery of the liquid crystal display; and one end of the optical assembly for distributing and emitting the infrared ray detection network is located at the front side of the display surface of the liquid crystal display.
Owner:SHENZHEN TIMELINK ECHNOLOGY CO LTD
GOA circuit, display panel and threshold voltage compensation method of thin film transistor
ActiveCN111081190AExtend your lifeAchieve ultra-narrow bezelStatic indicating devicesDigital storageBottom gateHemt circuits
The invention provides a GOA circuit, a display panel and a threshold voltage compensation method of a thin film transistor. The GOA circuit only comprises five TFTs, and can achieve the ultra-narrowframe of the display panel. Moreover, a double-gate structure is adopted as a first thin film transistor (T1), so a threshold voltage (Vth) in the GOA circuit is not only controlled by a top gate (thetop gate is connected with a node in the GOA), and is also controlled by a bottom gate (an adjustable voltage source (VLS)); specifically, the Vth of the TFT is integrally negative, the voltage of the bottom gate can be adjusted to be negative, and if the Vth of the TFT is positively biased, the voltage of the bottom gate can be adjusted to be negative, so the GOA circuit is more stable, and theservice life of the GOA circuit is prolonged. And electric leakage of the first node (Q) can be reduced, so the GOA circuit can output an ultra-wide pulse signal.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
Front frame of display device and display device
InactiveCN102495483AAvoid restrictionsAchieve ultra-narrow bezelCasings/cabinets/drawers detailsNon-linear opticsBlocking layerEngineering
The invention discloses a front frame of a display device and the display device. The front frame of the display device comprises lateral boards on the side surfaces of the display device and a transparent front cover fixedly connected with lateral frames and arranged on a light-emitting surface of the display device. The front frame with transparent boards is used for fixing a display module of the display device, a wider border can be reserved like the existing display device, and an effective display area can not be affected due to the transparent characteristics of the front frame. Even though the front frame covers the integral display area, the display area cannot be affected, so that limitation of a black light blocking layer (BM) can not be cared. Therefore, the limitation that certain width of the border is required for fixing the existing edges can be avoided, and a super-narrow border is achieved.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
Ultra-narrow frame liquid crystal display and electronic device
InactiveCN109976058ANo need to reduce aperture ratioIncrease the proportionNon-linear opticsLiquid-crystal displayComputer science
The invention discloses an ultra-narrow frame liquid crystal display and an electronic device. The ultra-narrow frame liquid crystal display comprises a substrate, wherein one surface of the substratecomprises a display region and a frame region, and the frame region surrounds the display region; multiple horizontal scanning lines arranged above the substrate and located in the display region; multiple longitudinal data lines arranged above the substrate and located in the display region, wherein multiple longitudinal data lines and multiple horizontal scanning lines are alternate and electrically insulated, thereby defining multiple pixel areas; and multiple longitudinal scanning lines arranged in a projection range of multiple longitudinal data lines, wherein multiple longitudinal scanning lines and multiple horizontal scanning lines are alternate and electrically connected.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
Display panel and preparation method thereof
ActiveCN113380861AAchieve ultra-narrow bezelReduce the chance of disengagementSolid-state devicesSemiconductor devicesStructural engineeringMaterials science
Owner:YUNGU GUAN TECH CO LTD
Backlight module and display module
PendingCN113721388AImprove backlight effectImprove or solve the hotspot on the side of the luminous surfaceNon-linear opticsLight guideEngineering
The invention provides a backlight module which is provided with a middle area and a frame area. The backlight module comprises a back plate, a light bar in the frame area and comprising a circuit substrate and a lamp bead electrically connected, a reflective sheet arranged on the back plate, and a light guide plate arranged on one side of the reflective sheet away from the back plate. The reflective sheet and the light guide plate extend from the middle area to the frame area; the circuit substrate is positioned on one side of the light guide plate deviating from the reflective sheet; the light guide plate is uniform in thickness; the light-emitting surface of the lamp bead is opposite to the edge end surface of the light guide plate; the part, corresponding to the frame area, of the back plate is recessed in the direction away from the reflective sheet to form a first groove. And the orthographic projection of the reflective sheet on the back plate is not overlapped with the orthographic projection of the lamp bead on the back plate. According to the backlight module, the ultra-narrow frame can be achieved, the ultra-thin and low-cost effects can be achieved, meanwhile, the problems of hotspot and bright bands on the light-emitting face sides of the lamp beads can be solved, and the backlight effect of the backlight module is improved.
Owner:BOE TECH GRP CO LTD +1
Array substrate and manufacturing method thereof
InactiveCN109828395ASelf-drivingAchieve ultra-narrow bezelSolid-state devicesPhotomechanical exposure apparatusDisplay deviceOptoelectronics
The invention provides an array substrate and a manufacturing method thereof, and belongs to the technical field of display. The array substrate comprises a multilayer thin film transistor and a planarization layer, wherein the multilayer thin film transistor comprises a first thin film transistor and a second thin film transistor; the planarization layer is positioned between the first thin filmtransistor and the second thin film transistor; and a common electrode of the first thin film transistor and a grid electrode of the second thin film transistor are formed by adopting the same layer of a transparent conductive material. According to the array substrate, at least two laminated thin film transistors are arranged in a same projection area, so that the display can realize the functions of pixel self-driving, ultra-narrow frame and the like while maintaining a larger pixel aperture ratio; and the common electrode of the first thin film transistor and the grid electrode of the second thin film transistor are formed by the same layer of the transparent conductive material, so that the number of masks and the cost are saved.
Owner:NANJING CEC PANDA FPD TECH CO LTD +2
Array substrate and manufacturing method thereof
InactiveCN111081719AReduce manufacturing costAchieve ultra-narrow bezelSolid-state devicesSemiconductor/solid-state device manufacturingCapacitanceHemt circuits
The invention provides an array substrate and a manufacturing method thereof. The array substrate is provided with a display area and an array substrate row driving area. The array substrate comprisesan underlayer substrate, a low-temperature polycrystalline silicon thin film transistor unit, a metal oxide transistor unit, a first capacitor and a second capacitor, wherein the low-temperature polycrystalline silicon thin film transistor unit is located on the underlayer substrate and located in the display area and the array substrate row driving area; the first capacitor is arranged corresponding to the low-temperature polycrystalline silicon thin film transistor unit; the metal oxide transistor unit is located on the underlayer substrate and located in the array substrate row driving area, and the metal oxide transistor unit is arranged in a mode of being spaced from the low-temperature polycrystalline silicon thin film transistor unit; and the second capacitor is arranged corresponding to the metal oxide transistor unit. According to the invention, the circuit structure of the low-temperature polycrystalline silicon thin film transistor unit is adopted in the display area of thearray substrate, so that an ultra-narrow frame is realized, the process is simplified, and the production cost is low.
Owner:WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
Camera device and electronic equipment
ActiveCN110191269ASimple structureAchieve hiddenTelevision system detailsColor television detailsMechanical engineeringElectronic equipment
The invention provides a camera device which comprises two positioning bodies which are transversely arranged at an interval, and at least one clamping position is formed on each of the opposite sidewalls of the two positioning bodies; and a camera assembly which is arranged between the two positioning bodies in a longitudinal sliding manner; the camera assembly comprises a mounting shell, a camera body arranged in the mounting shell and elastic pieces fixed to the two transverse sides of the mounting shell correspondingly. One end of the elastic piece is fixed on the mounting shell; the other end of the elastic piece is clamped at the corresponding clamping position; when the other end of the elastic piece is clamped at the corresponding clamping position; the mounting shell is longitudinally pushed to drive the elastic piece located at the first swing position to be elastically bent and restored so as to swing to the second swing position or drive the elastic piece located at the second swing position to be elastically bent and restored so as to swing to the first swing position. Therefore, the camera assembly can slide telescopically relative to the electronic device to hide the camera. The invention also provides electronic equipment comprising the camera device.
Owner:GUANGDONG HONGQIN COMM TECH CO LTD
Conductive device with superconductive narrow frame and directional ultrasonic transparent screen
PendingCN114388173AImprove electrical conductivityReduced total light transmittanceConductive layers on insulating-supportsInput/output processes for data processingPhysicsSheet resistance
The invention discloses a superconducting narrow-frame conductive device and a directional ultrasonic transparent screen, the device comprises a conductive substrate and a plurality of conductive layers, the plurality of conductive layers are sequentially stacked up and down and are arranged on the conductive substrate, one of the plurality of conductive layers comprises an in-plane conductive layer and a frame conductive layer, and the frame conductive layer is arranged on the in-plane conductive layer. The width of the frame conducting layer is less than 1.5 mm, the thickness of the frame conducting layer is less than 1 [mu] m, the thickness of the in-plane conducting layer is less than or equal to the thickness of the frame conducting layer, the total light transmittance of the multiple conducting layers is more than 80%, and the minimum sheet resistance is 1-500 milliohms. The full light transmittance of the conducting layer formed by compounding is more than 80%, the minimum sheet resistance can be 1-500 milliohms, the width of the frame wiring is less than 1.5 mm, an ultra-narrow frame is realized, the thickness of the frame wiring is less than 1 micron, and the flatness of the formed conducting layer is excellent.
Owner:AUDFLY TECH SUZHOU CO LTD
Display panel and display device
ActiveCN111445801AAchieve ultra-narrow bezelReliable electrical connectionSolid-state devicesIdentification meansColor filmDisplay device
The invention relates to the technical field of display, and discloses a display panel and a display device. The display panel comprises a color film substrate and a TFT array substrate opposite to the color film substrate, a Pad area is formed on at least one side of the TFT array substrate, and the orthographic projection of the color film substrate on the TFT array substrate covers the Pad area; in a non-display area of the display panel, the color film substrate and the TFT array substrate are bonded through frame sealing glue, and the Pad area is located on the outer side of the frame sealing glue; a plurality of golden fingers are arranged in the Pad area, the side surface of each golden finger is exposed out of the side surface of the TFT array substrate, and a conductive layer is formed on the side surface of each golden finger; the display panel further comprises a flexible buffer layer which is filled between the color film substrate and the TFT array substrate and covers thegolden fingers. The display device comprises the display panel. According to the display panel and the display device, the problem that an existing display panel is not beneficial to achieving an ultra-narrow frame of the display device is solved.
Owner:BOE TECH GRP CO LTD +1
Multilayer circuit structure
ActiveCN106526926AReduce widthAchieve ultra-narrow bezelStatic indicating devicesElectrical connection printed elementsLiquid-crystal displayLiquid crystal
The invention provides a multilayer circuit structure. The circuit layers are formed on the front and back surfaces of a plurality of flexible substrates. The circuit layers which are located on the front and back of the flexible substrates are jointed together by punching holes on the flexible substrates. The flexible substrates are bonded together by an insulating junction layer while the circuit layers disposed on two opposite surfaces of two adjacent flexible substrates electrically connected. Finally, the circuit layers on a plurality of flexible substrates are combined together to form the multilayer circuit structure which is located on the edge non-display region of the liquid crystal array substrate. The multilayer circuit structure, compared to the circuit layer which is disposed on the same surface of the edge non-display region of the liquid crystal array substrate, can reduce width of non-display region of the liquid crystal array substrate and achieve ultra-narrow border display or no border display.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
Display module
PendingCN114823830ASimplify the film structureImprove bending performanceSolid-state devicesSemiconductor devicesHemt circuitsEngineering
The invention provides a display module which comprises a display panel, the display panel is provided with a display area, a bending area and a wiring area located between the display area and the bending area, the display panel comprises a first substrate, a conductive layer, a second substrate and a driving circuit layer which are sequentially arranged in a stacked mode, the first substrate is provided with a notch in the bending area, and the first substrate is provided with a first electrode. The second substrate is provided with a via hole in the wiring area, the driving circuit layer comprises a signal line extending from the display area to the wiring area, the conductive layer comprises a connecting line extending from the bending area to the wiring area, one end of the connecting line is exposed by the notch, and the other end of the connecting line is electrically connected with the signal line through the via hole. According to the display panel, the connecting line electrically connected with the signal line is arranged between the two substrates, and the notch for exposing the connecting line is formed in the first substrate in the bending area, so that an external circuit can transmit an electric signal to the display area through the connecting line, the width of a lower frame of the display panel is reduced while the display effect is guaranteed, and the screen-to-body ratio is increased.
Owner:WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
LED backlight light bar and application thereof
PendingCN106641755ABeautiful productSave materialElongate light sourcesLight fasteningsEngineeringDisplay device
The invention provides an LED backlight light bar. The LED backlight light bar comprises a substrate, light shading strips and light-emitting units at a minimum. The light shading strips are made of a long-strip-shaped elastic temperature-resistant material and bonded onto the substrate in the length direction. The light-emitting units are assembled in a U-shaped groove formed by the two light shading strips and the substrate. By means of the LED backlight light bar, a display device and a panel light can each be provided with an ultra-narrow frame under the condition that light is shielded completely; a product can be attractive in appearance; and materials are also saved.
Owner:SHINEON BEIJING TECH
Dispensing method for display screen device with frameless fourth edge
ActiveCN113000300AAchieve ultra-narrow bezelAchieve borderless effectPretreated surfacesCoatingsScreens (device)Physics
The invention discloses a dispensing method for a display screen device with a frameless fourth edge. A large-size screen comprises a first substrate, a sealing layer (CF layer) and a second substrate, wherein the sealing layer (CF layer) is positioned between the first substrate and the second substrate. The dispensing method for the large-size screen comprises the following steps of: enabling the fourth edge of the first substrate to protrude out of the fourth edge of the sealing layer (CF layer), enabling the fourth edge of the first substrate to be flush with the fourth edge of the second substrate, forming a gap between the first substrate and the second substrate, and enabling the other three edges of the first substrate, the sealing layer (CF layer) and the second substrate to be flush; and respectively placing a baffle on two edges, perpendicular to the fourth edge, of the gap, rotating the screen to be dispensed, dispensing by using a row of needle dispensing devices, and performing light curing after dispensing. Frameless dispensing of the fourth edge of the large-size screen is realized.
Owner:KUNSHAN SAMON AUTOMATION TECH
Metal grid touch screen
InactiveCN113721797AFast Touch ResponseImprove matchInput/output processes for data processingSilver pasteLap joint
The invention relates to a metal grid touch screen which structurally comprises a cover plate, an optical adhesive layer and a metal conductive film from top to bottom in sequence, the metal conductive film structurally comprises a silver paste lap joint block, an insulating adhesive layer, a conductive pattern and a base material from top to bottom in sequence, and the conductive pattern comprises a metal grid and a frame area wire. The silver paste lap joint blocks are in lap joint with the metal grid through lap joint points, and the lap joint points are not provided with insulating glue layers. The metal grid touch screen provided by the invention is only provided with one layer of metal grid conductive film, realizes multi-point touch control, is simple in manufacturing process, low in cost, capable of realizing mass production, applied to terminal products of various sizes, high in competitiveness and in line with the national sustainable development strategy.
Owner:烟台正海科技股份有限公司
Threshold voltage compensation method for goa circuit, display panel and thin film transistor
ActiveCN111081190BExtend your lifeAchieve ultra-narrow bezelStatic indicating devicesDigital storageBottom gateHemt circuits
The invention provides a GOA circuit, a display panel and a threshold voltage compensation method for a thin film transistor. The GOA circuit only includes 5 TFTs, which can realize the ultra-narrow frame of the display panel, and adopts a double gate structure as the first thin film transistor ( T1), so the threshold voltage (Vth) in the GOA circuit is not only controlled by the top gate (the top gate is connected to the node in the GOA), but also controlled by the bottom gate (adjustable voltage source (VLS)), specifically, the overall Vth of the TFT is biased Negative, the bottom gate voltage can be adjusted negatively. If the Vth of the TFT is positively biased, the bottom gate voltage can be adjusted negatively, making the GOA circuit more stable and increasing the life of the GOA circuit. And the leakage current of the first node (Q) can be reduced, so that the GOA circuit can output ultra-wide pulse signals.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
A display driver board and its preparation method and display device
ActiveCN110911393BImprove stabilityImprove yieldStatic indicating devicesSolid-state devicesPad printingEngineering
The invention relates to the field of display technology, in particular to a display driving board, a preparation method thereof, and a display device. It is used to solve the problems of excessive resistance when the side traces are in contact with the first pad and poor printing of the side traces caused by factors such as thin thickness of the first pad, edge chipping, and protective glue wrapping in the related art. An embodiment of the present invention provides a display driving board, the display driving board has a display area and a peripheral area, the peripheral area includes a binding area close to the first side of the display driving board; the display driving board includes a base layer , and disposed on the base layer and located at a plurality of spaced first pads in the bonding region; one side of each of the first pads is flush with the first side of the base layer , the first side of the base layer is the side of the base layer corresponding to the first side of the display driving board; the thickness of the first welding pad is 0.5-2 microns. The embodiment of the present invention is used to increase the contact area between the side wiring and the first pad.
Owner:BOE TECH GRP CO LTD +1
Array substrate, manufacturing method thereof and display panel
PendingCN114743988ASmall footprintAchieve planarizationSolid-state devicesSemiconductor/solid-state device manufacturingHemt circuitsMaterials science
The invention discloses an array substrate and a manufacturing method thereof and a display panel, the array substrate comprises a display area, the display area comprises a first display area and a second display area, the first display area is arranged around the second display area, the first display area is provided with at least part of function modules of a gate drive circuit, and the array substrate comprises a substrate; the first insulating layer is located on the substrate, and a plurality of grooves are at least formed in the first insulating layer located in the first display area; the metal wire is located in the groove; the planarization layer is located on the side, away from the substrate, of the metal wire, and the planarization layer covers the first insulating layer; the first electrode layer is located on the side, away from the substrate, of the planarization layer. Compared with the prior art, the technical scheme provided by the embodiment of the invention has the advantages that the height difference of the first electrode layer can be reduced, the planarization of the first electrode layer is favorably realized, and the optical mura phenomenon is further improved.
Owner:YUNGU GUAN TECH CO LTD
A composition, ultraviolet absorption band, liquid crystal display panel and manufacturing method thereof
InactiveCN104910701BHigh molecular weightHigh viscosityRadiation-absorbing paintsNon-linear opticsAlcoholLiquid-crystal display
The invention discloses a composition, an ultraviolet absorption band, a liquid crystal display panel and a manufacturing method of the liquid crystal display panel. The composition comprises the following components in parts by weight: 30-70 parts of an ethylene-vinyl acetate copolymer and 30-70 parts of (E)-6(4-(4-hexane sulfonyl) phenylethenyl) phenoxy) hexane-1-alcohol. The ultraviolet absorption band is prepared from the composition. The liquid crystal display panel comprises the ultraviolet absorption band. The manufacturing method of the liquid crystal display panel comprises a coating step and a folding step. The composition is coated between a frame sealing adhesive and a display area and is used for absorbing ultraviolet light to be irradiated into the display area while curing the frame sealing adhesive, so that the distance a from the outer edge of a mask plate to the display area can be reduced; meanwhile, the distance b from the outer edge of the mask plate to the inner edge of the frame sealing adhesive can be reduced, so that the narrow-frame liquid crystal display panel can be manufactured.
Owner:BOE TECH GRP CO LTD +1
a display panel
ActiveCN111308813BImprove the problem of occupying a large borderAchieve ultra-narrow bezelNon-linear opticsHemt circuitsEngineering
The application discloses a display panel. The display panel includes a lower substrate and an upper substrate that are arranged on the box and bonded by conductive glue; a GOA circuit is formed on the upper substrate; a signal line is formed on the lower substrate; , the GOA circuit is arranged opposite to the signal line, and the GOA circuit is electrically connected to the signal line through conductive glue. The GOA circuit is arranged on the upper substrate, and the GOA circuit is arranged opposite to the signal line, which is beneficial to the realization of an ultra-narrow frame.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
Novel LED (Light Emitting Diode) flat panel down lamp
InactiveCN104344232AMaximize the light emitting areaImprove aestheticsPoint-like light sourceElectric lightingTransmittanceEdge region
The invention discloses a novel LED (Light Emitting Diode) flat panel down lamp, and provides the novel LED flat panel down lamp which has a simple structure and can realize maximization of a light emitting area. The LED flat panel down lamp comprises a front cover, a rear cover and a plurality of LED light emitting units, wherein a light transmittance hole is formed in the center of the front cover; the front cover is detachably connected to the rear cover; the rear cover is positioned above the front cover; a reflecting sheet, a light guide plate and a diffusion plate are arranged between the rear cover and the front cover in sequence; the bottom of the rear cover is provided with a circle of downward turned edge; the reflecting sheet, the light guide plate and the diffusion plate are arranged in the turned edge; the plural LED light emitting units are arranged between the turned edge and the light guide plate. According to the LED flat panel down lamp, the reflecting sheet is arranged below the rear cover, the light guide plate is arranged below the reflecting sheet, the diffusion plate is arranged below the light guide plate, the front cover is arranged below the diffusion plate, the light transmittance hole is formed in the front cover, and the plural LED light emitting units are arranged at the turned edge region of the rear cover, so that the maximization of the light emitting area is realized, a super-narrow frame of the LED down lamp is realized, and the attractive appearance of the lamp is improved.
Owner:江苏贝内特节能照明科技有限公司
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