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52results about How to "Aperture ratio" patented technology

Display device and driving method thereof

To solve the lack of program time, which is a problem of a display device including an EL element, and to provide a display device including a pixel circuit with a high aperture ratio and a driving method thereof. In a circuit including a driving transistor, a capacitor, a display element which can be used as a capacitor, a first power supply line and a second power supply line, potentials of the first power supply line and the second power supply line are set to be almost the same, thereby a threshold voltage of the driving transistor is held in the display element, and after that, a charge is divided into the display element and the capacitor.
Owner:SEMICON ENERGY LAB CO LTD

Liquid crystal display device

To provide a display device in which a viewing angle characteristic is improved by providing a plurality of sub-pixels to one pixel. Alternatively, to provide a display device in which an aperture ratio is suppressed even when a plurality of sub-pixels is provided. A pixel including first sub-pixel, a second sub-pixel, and a third sub-pixel, a scanning line, a signal line, a first capacitor wiring, a second capacitor wiring and a third capacitor wiring are provided. Pixel electrodes each electrically connected to one electrode of the first to third capacitor elements, and the first to third capacitor wirings, respectively, are provided to the first to third sub-pixels electrodes, respectively. Potentials of the first capacitor wiring and the second capacitor wiring are changed and a potential of the third capacitor wiring is kept almost constant.
Owner:SEMICON ENERGY LAB CO LTD

Filter

An object of the present invention is to provide a filter that makes it possible to suppress the initial pressure loss and, also, to reduce the rising rate of the pressure loss that increases as particulates accumulate; therefore, the pressure loss at the time when a prescribed amount of particulates have been collected becomes lower, and the pressure loss from the viewpoint of the period up to the recovery as a whole also becomes lower. The present invention provides a filter, which is a column shaped filter having a honeycomb structure, including a number of through holes that are placed in parallel with one another in the length direction with wall portion interposed therebetween, wherein the through holes are constituted by two types of through holes, that is, large-capacity through holes having a relatively larger cross-sectional area in the cross section perpendicular to the length direction and small-capacity through holes having a relatively smaller cross-sectional area in the cross section, with the numbers of the two types of through holes being substantially set to the same, the large-capacity through holes are sealed at one end of the filter, while the small-capacity through holes are sealed at the other end of the filter, and supposing that the ratio (a / b) of the total (a) of lengths of wall portion which is shared by one large-capacity through hole and the adjacent large-capacity through hole in the cross section perpendicular to the length direction and the total (b) of lengths of wall portion which is shared by one large-capacity through hole and the adjacent small-capacity through hole in the cross section perpendicular to the length direction is defined as a and that the ratio (A / B) of the area (A) of the cross section of the large-capacity through hole and the area (B) of the cross section of the small-capacity through hole is defined as β, α and β satisfy the relationship represented by the following formula (1): β≧(20 / 9) α2+1 (where 0<α≦1.5 and 1<β≧6)  (1).
Owner:IBIDEN CO LTD

Liquid crystal display device

To provide a display device in which a viewing angle characteristic is improved by providing a plurality of sub-pixels to one pixel. Alternatively, to provide a display device in which an aperture ratio is suppressed even when a plurality of sub-pixels is provided. A pixel including first sub-pixel, a second sub-pixel, and a third sub-pixel, a scanning line, a signal line, a first capacitor wiring, a second capacitor wiring and a third capacitor wiring are provided. Pixel electrodes each electrically connected to one electrode of the first to third capacitor elements, and the first to third capacitor wirings, respectively, are provided to the first to third sub-pixels electrodes, respectively. Potentials of the first capacitor wiring and the second capacitor wiring are changed and a potential of the third capacitor wiring is kept almost constant.
Owner:SEMICON ENERGY LAB CO LTD

Chiplet display device with serial control

A display device, including a substrate; an array of pixels arranged in rows and columns forming a light-emitting area over the substrate, each pixel including a first electrode, one or more layers of light-emitting material located over the first electrode, and a second electrode located over the one or more layers of light-emitting material; a first serial buss having a plurality of electrical conductors, each electrical conductor connecting one chiplet in a first set of chiplets to only one other chiplet in the first set in a serial connection, the chiplets being distributed over the substrate in the light-emitting area, each chiplet including one or more store-and-forward circuits for storing and transferring data connected to its corresponding electrical conductor; and a driver circuit in each chiplet for driving at least one pixel in response to data stored in the store-and-forward circuit.
Owner:GLOBAL OLED TECH

Optical detector device

Each of N optical detector parts 801 to 80N has a photodiode PD, a capacitor Cd and a switch SW0. An amplifier A1, an integrator circuit capacitor Cf1, and a switch SW11 , are connected in parallel between the input terminal and the output terminal of an integrator circuit 10. The capacitance of the integrator circuit capacitance C11 is equal to the capacitance of the capacitor Cd in each of the N optical detector parts 801 to 80N. A switch SW01, is equipped between the input terminal of the integrator circuit 10 and the switch SW0 for each of the N optical detector parts 801 to 80N. A switch SW02 is equipped between the output terminal of the integrator circuit 10 and the switch SW0 in each of the N optical detector parts 801, to 80N.
Owner:HAMAMATSU PHOTONICS KK

Display device

A display device may include an insulation layer having openings, the insulation layer having opening edges around the respective openings; pixel electrodes in the respective openings and on the respective opening edges; an electroluminescence layer continuously on the pixel electrodes, the electroluminescence layer consisting of some layers including a bottom layer thereof, the electroluminescence layer including a light emitting layer in one of the layers except for at least the bottom layer, the light emitting layer overlapping with a corresponding one of the pixel electrodes; and a counter electrode on the electroluminescence layer.
Owner:JAPAN DISPLAY INC

Display panel

The present invention provides a display panel including a plurality of dual-gate pixel units connected to each other through data lines, gate lines and common lines. Each dual-gate pixel unit includes a first pixel and a second pixel respectively connected to a first gate line and a second gate line, and shares a common line and a data line. The first pixel and the second pixel are respectively disposed at two opposite sides of the common line, and they are also respectively disposed at two opposite sides of the first data line and the second gate line. The data lines transfer data signals into pixels, and the gate lines control the pixels to receive the data signals. The present invention raises an aperture ratio of each pixel of the display panel, and reduces the probability of the gate line and the common line being short-circuited.
Owner:CENTURY DISPLAY (SHENZHEN) CO LTD

Organic electroluminescent display device and method of producing the same

An organic electroluminescent display device in which a plurality of light-emitting cells each having an organic electroluminescent portion are arranged on a substrate, wherein a plurality of organic electroluminescent portions included in the plurality of light-emitting cells include at least three organic electroluminescent portions which emit different colors, each of the light-emitting cells has a driving transistor which drives the organic electroluminescent portion included in the light-emitting cell, and an amount of an output current of the driving transistor under same driving conditions is different depending on emission color of the organic electroluminescent portion included in the light-emitting cell including the driving transistor.
Owner:UDC IRELAND

Apparatus and method for determining centering data for spectacles

An apparatus (3) for determining centering data for eyeglasses (2) comprises a fixation device (5) and a recording unit (4) that can be triggered by a computer, records electronic images, and is disposed behind a divider element (8). The fixation device (5) produces at least one speckle pattern. The speckles can be superposed by different patterns, for example, a cross shape. The invention further relates to a method for determining centering data. The inventive method and apparatus allow test persons having the most different acuity of vision to measure the relative centering data from a short distance while maintaining their usual posture.
Owner:CARL ZEISS VISION INT GMBH

Array substrate, display panel, display device, and fabrication method thereof

An array substrate includes a plurality of pixel units defined by intersected gate electrode lines and data lines, a plurality of independent touch-control electrodes arranged in an array, and a touch-control circuit. The touch-control circuit includes a plurality of first switch units, a plurality of first control leads, a plurality of touch-detection terminals, and a control unit. The touch-control electrode is electrically connected to one touch-control terminal through at least one of the first switch units. The first switch unit is electrically connected to the control unit through at least one of the first control leads. The first control lead is configured between any of neighboring rows of the pixel units. Further, when the array substrate is in a touch detection phase, the control unit is capable of controlling an ON status of the first switch units to allow row-by-row control of touch detection for the plurality of touch-control electrodes.
Owner:SHANGHAI AVIC OPTOELECTRONICS +1

Display panel

A display panel includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a switching element connected to a gate line and a data line crossing each other, and a pixel electrode electrically connected to the switching element. The pixel electrode includes a first domain-dividing portion extending in a direction. The second substrate is spaced apart from the first substrate to have a cell gap of about 3.1 μm to about 3.3 μm. The second substrate includes a common electrode including a second domain dividing portion formed in a region between the first domain-dividing portions adjacent to each other. The liquid crystal layer is interposed between the first and second substrates. The liquid crystal layer includes a liquid crystal composition having a refractive anisotropy (Δn) of about 0.1010 to about 0.1030.
Owner:SAMSUNG DISPLAY CO LTD

Image sensor and display

An image sensor, for example for incorporation within an active matrix display, comprises an array of sensor elements 10. Each sensor element (10) comprise an amplifying transistor (M1) whose gate is connected to an integrating node (11). The integrating node (11) is connected to one plate of an integrating capacitor (C1) and to one electrode of a photodiode (D1), whose other electrode is connected to a resetting line (RST). The sensor element (10) performs a repeating sensing cycle comprising a resetting phase, an integrating phase and a reading phase. During the resetting phase, the resetting line (RST) receives a voltage which forward-biases the photodiode (D1) so as to charge the integrating node (11) to a predetermined voltage. The resetting line (RST) is then returned to a voltage for reverse-biasing the photodiode (D1) so that the integrating and reading phases may be performed.
Owner:SHARP KK

Liquid crystal display having light valve

ActiveUS20180120659A1Minimizing aperture ratio reductionMinimize aperture ratioOptical light guidesNon-linear opticsLiquid-crystal displayEngineering
The present disclosure relates to a liquid crystal display (or, LCD) including a light valve. The present disclosure provides a liquid crystal display comprising: a back light unit; a light valve panel disposed in front of the back light unit, and including a plurality of first unit pixel areas; and a video display panel disposed in front of the light valve panel, and including a plurality of second unit pixel areas.
Owner:LG DISPLAY CO LTD

Transparent display panel and method of manufacturing the same

A transparent display panel, and a method of manufacturing the transparent display panel are discussed. The transparent display panel according to one embodiment includes a substrate; a driving element formed in a display pixel area on the substrate; a wiring electrode formed in the display pixel area and connected to the driving element; and a transparent wiring electrode formed in a transmissive area on the substrate, the transparent wiring electrode being extended to connect to the wiring electrode in the display pixel area.
Owner:LG DISPLAY CO LTD

Display Device and Driving Module thereof

A display device includes a plurality of sub-pixel groups. Each sub-pixel group includes a first sub-pixel located at a first column; a second sub-pixel located at a second column adjacent to the first column; a third sub-pixel located a third column adjacent to the second column; a fourth sub-pixel located at the third column; a fifth sub-pixel located at a fourth column adjacent to the third column; and a six sub-pixel located at the fourth column; wherein height of the first sub-pixel is different from or / equal to height of the second sub-pixel, a sum of heights of the third sub-pixel and the fourth sub-pixel, and a sum of heights of the fifth sub-pixel and the sixth sub-pixel; wherein height of the third sub-pixel is different from or equal to height of the fourth sub-pixel; wherein height of the fifth sub-pixel is different from or equal to height of sixth sub-pixel.
Owner:NOVATEK MICROELECTRONICS CORP

Chiplet display device with serial control

A display device, including a substrate; an array of pixels arranged in rows and columns forming a light-emitting area over the substrate, each pixel including a first electrode, one or more layers of light-emitting material located over the first electrode, and a second electrode located over the one or more layers of light-emitting material; a first serial buss having a plurality of electrical conductors, each electrical conductor connecting one chiplet in a first set of chiplets to only one other chiplet in the first set in a serial connection, the chiplets being distributed over the substrate in the light-emitting area, each chiplet including one or more store-and-forward circuits for storing and transferring data connected to its corresponding electrical conductor; and a driver circuit in each chiplet for driving at least one pixel in response to data stored in the store-and-forward circuit.
Owner:GLOBAL OLED TECH

Touch-sensing structure for touch panel and touch-sensing method thereof

ActiveUS20110057898A1Touch sense response time thereof can be fasterHigh resolutionInput/output processes for data processingLine segmentTouch panel
In a touch-sensing structure for a touch panel and a touch-sensing method thereof, the touch-sensing structure includes a plurality of first conducting wires paralleled to each other and a first conductor. A terminal of each first conducting wire is electrically coupled to the first conductor, so as to divide the conductor into a plurality of first line segments. The resistance of each first conducting wire is smaller than that of each first line segment. Wherein, when the displaying area of the touch panel receives an external force, a first conducting wire corresponding to the position designated by the external force is electrically coupled to a reference potential.
Owner:AU OPTRONICS CORP

Liquid crystal display having light valve

The present disclosure relates to a liquid crystal display (or, LCD) including a light valve. The present disclosure provides a liquid crystal display comprising: a back light unit; a light valve panel disposed in front of the back light unit, and including a plurality of first unit pixel areas; and a video display panel disposed in front of the light valve panel, and including a plurality of second unit pixel areas.
Owner:LG DISPLAY CO LTD

Liquid crystal display and manufacturing method for the same

InactiveUS20050174524A1Aperture ratioEfficiency of light useNon-linear opticsThin layerLCD projector
The present invention is related in upper glass, liquid crystal display panel, liquid crystal projector and method for liquid crystal display panel, more specifically, upper glass which is entering light is improved a ratio for aperture using semiconductor etching process. According to the present invention comprises transparent substrate which is transparent light; first thin film which is opposite opaque area on lower substrate make said transparent substrate; second thin film which is making around said first thin film on transparent substrate and thick film is equal density for said second thin layer and make on the said first thin film and said second thin film.
Owner:ILJIN DIAMOND

Method of producing wheel and the wheel

InactiveUS20060225859A1Preventing material flowInhibit migrationFoundry mouldsRollsCircular discThick wall
A method of producing a light alloy wheel with a forging technique, aiming for producing the wheel having a large-diameter disk by use of a small-scale press device, comprising: heating an intermediate product that is formed by casting or forging and has a discoid and a cylindrical thick wall, which are to respectively become disk and rim at completion, to a plasticity temperature; then, rotating the intermediate product with stopping of the rotating at interval of a predetermined angle; pressing at least a portion of the to-be disk part by molds at time of said stopping, as to push out metal into recesses on the lower mold and to thereby form holes; repeating of such rotating, stopping and pressing as to give a pattern on whole of the to-be disk part; and further press processing and finish processing on the to-be disk and the to-be rim parts.
Owner:WASHI KOSAN

Thin-film transistor substrate and liquid crystal display

A channel layer is formed of an oxide semiconductor. A first insulating film is provided on the channel layer, a source line, and a drain electrode, and includes a drain contact hole which reaches the drain electrode. A pixel electrode is provided on the first insulating film, includes a connection conductive layer which is connected to the drain electrode by the drain contact hole, and is formed of a transparent conductive material. The pixel electrode is covered with a second insulating film. A common electrode is provided on the second insulating film, includes an opening which faces the pixel electrode in a thickness direction, and is formed of a transparent conductive material. A metal layer, in conjunction with a part of the common electrode, forms a laminated structure, and includes a light-shield part which overlaps the channel layer at least partially in plan view.
Owner:TRIVALE TECH

Thin film transistor substrate and liquid crystal display device using the same

A thin film transistor substrate and a liquid crystal display device are disclosed. The thin film transistor substrate comprises gate lines arranged on a substrate in a first direction and sub gate lines connected with the gate lines; data lines arranged on the substrate in a second direction to define a pixel including a first pixel and a second pixel, together with the gate lines; a semiconductor layer formed overlapping with each of the gate lines, the sub gate lines and the data lines and connected with the date lines; and a pixel electrode connected with the semiconductor layer. An aperture ratio may be improved at high resolution.
Owner:LG DISPLAY CO LTD

Image sensor

An image sensor with improved productivity and sensitivity is provided. The image sensor includes a plurality of unit pixels, each unit pixel including an oxide film formed upon a semiconductor substrate; a gate electrode formed on the oxide film; a photodiode N-type region formed within the semiconductor substrate and interfacing with the oxide film, which is space apart from the gate electrode by a predetermined distance and disposed on one side of the gate electrode; and a floating diffusion region formed within the semiconductor substrate and interfacing with the oxide film, which is spaced apart from the gate electrode by a predetermined distance and is disposed on the other side of the gate electrode.
Owner:GRAPHIC TECHNO JAPAN

Liquid crystal display apparatus

A liquid crystal display apparatus is disclosed. In the liquid crystal display apparatus, a first pixel of a plurality of pixels arranged in a matrix comprises a first sub-pixel and a second sub-pixel. The first sub-pixel and the second sub-pixel are connected to a first scanning line of a plurality of scanning lines, to which the first scanning line is supplied a first scanning signal. A first potential is supplied to a first auxiliary capacitance of the first sub-pixel based on a first control signal to select any of a plurality of row pixel groups after the first scanning signal. A second potential being different from the first potential is supplied to a second auxiliary capacitance of the second sub-pixel based on a second control signal to select any one of a plurality of row pixel groups after the first scanning signal.
Owner:SAKAI DISPLAY PROD
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