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30results about How to "Simplify the film structure" patented technology

Preparation method of display substrate, display substrate and display device

The invention provides a preparation method of a display substrate, the display substrate and a display device, relates to the technical field of display, and aims at solving the problem that the aperture opening ratio is reduced due to the fact that a color light filter is fabricated on an array substrate. The preparation method of the display substrate comprises the steps as follows: a thin-film transistor array is prepared on a substrate to form the array substrate; a pixel definition layer is formed in a non-pixel region of the array substrate by a composition process; photochromic materials are evenly distributed in the pixel definition layer; the pixel definition layer containing the photochromic materials is converted into a shading state from a transmitting state under the action of illumination; and the pixel definition layer is converted into a shading irreversible state from the transmitting state. The preparation method of the display substrate provided by the invention is used for preparing the color light filter on the array substrate.
Owner:BOE TECH GRP CO LTD

Display panel, display device, and method for manufacturing display panel

The embodiment of the invention discloses a display panel, a display device and a manufacturing method of the display panel. The display panel comprises a supporting substrate, an organic light emitting panel and a plurality of micro LEDs. the supporting substrate comprises a first display area and a second display area, the second display area is multiplexed into a sensor reserved area, and the second display area comprises a light transmission area and a light emitting area; the organic light-emitting panel is positioned in the first display area; the organic light emitting panel includes aplurality of organic light emitting units; the organic light-emitting panel comprises a preset hollow structure, wherein the preset hollow structure is consistent with the shape and the size of a sensor reserved area; the micro LEDs and the organic light-emitting panel are positioned on the same side of the supporting substrate, and the micro LEDs are positioned in the light-emitting area of the second display area. The display panel can realize the combination of the organic light-emitting unit and the Micro LED, does not need to add an additional film layer structure, is beneficial to simplifying the film layer structure of the display panel, and is beneficial to realizing the lightness and thinness of the display panel.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD

Fingerprint identification module and fingerprint identification equipment

The invention discloses a fingerprint identification module and fingerprint identification equipment. The fingerprint identification module comprises: a transparent substrate; at least one fingerprintidentification unit which is located on one side of the transparent substrate, wherein the sensing surface of the fingerprint identification unit is arranged towards the transparent substrate, the fingerprint identification unit comprises a thin film transistor and a fingerprint sensing electrode, the thin film transistor comprises a grid electrode, a metal oxide semiconductor thin film doped with rare earth oxide and a grid insulating layer located between the grid electrode and the metal oxide semiconductor thin film, and a source electrode and a drain electrode which are respectively connected with the metal oxide semiconductor film; the source electrode or the drain electrode is electrically connected with the fingerprint sensing electrode, and the fingerprint sensing electrode, the grid electrode, the source electrode and the drain electrode are all transparent electrodes. The problems that a fingerprint sensing electrode is limited by the space size, the film layer structure ofthe fingerprint recognition module is complex, and the process difficulty of preparing the fingerprint recognition module is large are solved.
Owner:GUANG ZHOU NEW VISION OPTO ELECTRONICS TECH

Display device, display substrate thereof, and manufacturing method of display substrate

The invention provides a display device, a display substrate thereof, and a manufacturing method of the display substrate. The method comprises the steps: in a transparent display area, manufacturing an opening through a first pixel defining layer between adjacent first sub-pixels, wherein the opening comprises a first opening body and a second opening body from top to bottom, the transverse size of the first opening body is set to be less than that of the second opening body, and therefore, the second electrodes of the adjacent first sub-pixels are separated. The opening with the narrow upper part and the wide lower part has a good separation effect on a conductive material, and the second electrodes of the adjacent first sub-pixels are not electrically conducted; in addition, an isolation column used for isolating the second electrodes in the prior art is omitted, thereby simplifying the film structure of the transparent display area, and reducing the diffraction problem during imaging through the transparent display area.
Owner:KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD

Display device, display substrate of display device and production method of display substrate

The invention provides a display device, a display substrate of the display device and a production method of the display substrate. The display substrate comprises a light-transmitting base and a plurality of first sub-pixels; each first sub-pixel comprises a first electrode, a first pixel defining layer, a first light-emitting material layer in an opening of the first pixel defining layer and asecond electrode; the first pixel defining layers are provided with separation pillars for separating the second electrodes of the adjacent first sub-pixels; the separation pillars are of a T shape; and the T-shaped separation pillars are of an integrated forming structure. Separation parts are relatively long, and thus, the T-shaped separation pillars have an excellent automatic separation effecton an evaporated conductive material layer; and the T-shaped separation pillars are integrally formed and are of a single-layer structure, the separation parts and supporting parts are the same in material and patterning of the separation parts and the supporting parts is implemented in the same process, so that the separation parts and the supporting parts have an excellent adhering effect, no separation and layering phenomena are generated and performance is reliable.
Owner:KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD

Built-in coupling optical ring cavity device

The invention is the embedded coupling optics ring cavity apparatus including the underlay isolating layer, the ring cavity optical waveguide and the coupling optical waveguide. The coupling optical waveguide uses the same underlay isolating layer with the ring cavity optical waveguide. In the coupling region, the ring cavity waveguide is embedded into the coupling optical waveguide. Because of sharing the underlay isolating layer, it can simplify the film structure in height direction and only needs the underlay isolating layer, the ring cavity optical guide core and coupling optical waveguide core. The process is more simplifier than the traditional 'vertical coupling'. It can reach the ring cavity with small bending diameter; also it can improve the coupling efficient with the optical fiber to save energy cost. By changing the coupling optical waveguide and the ring cavity optical waveguide, it can adjust the coupling efficient in a large range to meet the different characters of apparatus.
Owner:ZHEJIANG UNIV

Top-emitting organic electroluminescent display panel, manufacturing method thereof and display device

A top-emitting organic electroluminescent display panel, a manufacturing method, and a display device. The top-emitting organic electroluminescent display panel comprises: a substrate, a layer of white organic light emitting diodes and a thin film encapsulation layer arranged on the substrate in sequence. The thin film encapsulation layer comprises at least two inorganic thin film layers and at least one organic thin film layer. At least one organic thin film layer is a color filter layer, the color filter layer being arranged between the at least two inorganic thin film layers. Since one of the organic thin film layers in the thin film encapsulation layer is a color filter layer, the color filter layer does not have to be arranged above the thin film encapsulation layer separately, thus reducing the number of film lavers, simplifying the film layer structure, reducing manufacturing costs, and improving the luminous efficiency and the display effect.
Owner:BOE TECH GRP CO LTD

Infrared waveband diaphragm composite membrane and preparation method as well as composite material

The invention discloses an infrared waveband diaphragm composite membrane and a preparation method as well as a composite material, belonging to the technical field of manufacturing of optical thin films. The infrared waveband diaphragm composite membrane has a double-layer membrane structure; the first layer is a hafnium oxide membrane layer and the second layer is a chromium membrane layer; the first layer and the second layer have strong bonding force with a calcium fluoride base; and the inner stress is small and the manufacturability of an infrared diaphragm prepared by a photographing copying method is good. According to the preparation method of the infrared waveband diaphragm layer, the hafnium oxide membrane layer and the chromium membrane layer are plated by adopting an evaporation manner and the chromium membrane layer is plated by two times so that the diaphragm prepared by adopting the photographing copying method has flat and smooth lines and have no light-transmitting point; and the preparation method has a simple technological process, is easy to operate and is suitable for industrial popularization and application. A base material of the infrared waveband diaphragm composite material is calcium fluoride, the inner layer membrane is the hafnium oxide membrane layer and the outer layer is the chromium membrane layer; and the bonding capability of the chromium membrane layer and calcium fluoride is strong and the process performance is good.
Owner:LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC

Optical recording/reproducing method

InactiveUS20070190460A1Excellent optical recording/reproducing characteristicSimplify the film structureLayered productsMechanical record carriersState variationLight beam
An optical recording / reproducing method and an optical recording medium capable of performing excellent optical recording with a simple structure in a recording layer made of environmentally friendly materials. The optical recording medium has a recording layer on a substrate. The recording layer has a pair of dielectric layers of which states are altered by a laser beam that is an energy beam of which intensity is modulated according to information to be recorded. This recording layer also has a state-change assisting layer sandwiched by these dielectric layers. The state-change assisting layer includes an element selected from Sn, Ti, Si, Bi, Ge, and C as a principle component, while the dielectric material as a base material for the dielectric layers is at least one of ZnS, SiO2, AlN, and Ta2O5.
Owner:TDK CORPARATION

Display device, display substrate thereof and manufacturing method of display substrate

The invention provides a display device, a display substrate thereof and a manufacturing method of the display substrate. In a transparent display area, a first pixel definition layer between adjacent first sub-pixels is internally provided with an opening, the opening is externally provided with a partition layer, the partition layer includes a first segment and a second segment, the first segment is located on the first pixel definition layer, and the second segment is suspended in the opening, thereby partitioning second electrodes of the adjacent first sub-pixels. The suspended partition layer is excellent in partition effect for a conductive material, and the second electrodes of the adjacent first sub-pixels are not electrically conducted. In addition, an isolation column used for partitioning the second electrodes in the prior art is omitted, thereby simplifying the film structure of the transparent display area, and being capable reducing the diffraction problem of the transparent display area during the imaging.
Owner:KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD

Touch panel and preparation method thereof

The invention relates to a panel display technical field, especially a touch panel. The touch panel at least comprises a base plate; the base plate at least is equipped with a first surface; the first surface at least comprises a first area and a second area; the second area is located at least at one side of the first area; the touch panel also comprises a conductive lead wire layer which is formed on the first surface on which the second area is located, and a touch layer which is formed on the first surface on which the first area is located; the touch layer and the conductive lead wire layer are electrically connected; the touch layer at least comprises an insulation layer; and the insulation layer covers the first surface on which the conductive lead wire layer and the first area are located. Moreover, the invention discloses a preparation method of the panel display.
Owner:SHENZHEN LAIBAO HI TECH +1

Display panel and display device

The invention discloses a display panel and a display device, and relates to the technical field of display. The display panel comprises light-emitting elements arranged in an array and a driving transistor electrically connected with the light-emitting elements; the display panel further comprises a substrate, a first electrode layer and a second electrode layer, the first electrode layer and thesecond electrode layer are insulated from each other, the first electrode layer and the second electrode layer are located on at least one side of the substrate in the direction perpendicular to thesubstrate, the first electrode layer comprises a first power line, and the second electrode layer comprises a second power line. A first pole of the light-emitting element is electrically connected with the first power line. A second pole of the light-emitting element is electrically connected with the first pole of the driving transistor for receiving a data signal; the second electrode of the driving transistor is electrically connected with the second power line; the control end of the driving transistor is electrically connected with the control signal line; the display panel further comprises a touch electrode, and the touch electrode multiplexes the first power line and / or the second power line. Therefore, the film layer structure of the display panel can be simplified, and the thickness of the display panel can be reduced.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD

Magnetic tunnel junction reference layer, magnetic tunnel junctions and magnetic random access memory

A magnetic tunnel junction reference layer, magnetic tunnel junctions and a magnetic random access memory are provided, wherein the magnetic tunnel junction reference layer includes: an antiferromagnetic structure layer, which comprises a plurality of stacked metal magnetic layer units, wherein each of the metal magnetic layer units comprises a spacer layer and a magnetic layer on a surface of the spacer layer. The present invention forms a synthetic antiferromagnetic structure through multilayer stack of the metal spacer layer and the magnetic layer, so as to increase thermal stability of the magnetic tunnel junction reference layer with perpendicular magnetic anisotropy and reduce design complexity as well as cost of the film layers. The present invention forms a multilayer film structure without oxides, which has strong perpendicular magnetic anisotropy, high thermal stability, simple film layer, and low cost, thereby promoting large-scale use of the magnetic memory.
Owner:BEIHANG UNIV

Display panel and display device

The invention discloses a display panel and a display device. The display panel comprises a substrate, a public electrode layer, a pixel electrode layer, and a first insulating layer, wherein the public electrode layer comprises multiple heteromorphic public electrodes and multiple conventional public electrodes, the conventional public electrodes have the same area, the area of the heteromorphicpublic electrode is smaller than the area of the conventional public electrode, the pixel electrode layer and the public electrode layer are at the same side of the substrate, the pixel electrode layer comprises multiple pixel electrodes, in a direction vertical to a plane in which the substrate is, a distance between the heteromorphic public electrode and the pixel electrode is d1, a distance between the pixel electrode and the conventional public electrode is d2, wherein d1 is less than d2, and the first insulating layer is between the pixel electrode layer and the public electrode layer. Compared with the prior art, a difference of capacitances between the heteromorphic public electrode and the pixel electrode as well as between the conventional public electrode and the pixel electrodeis reduced effectively, and the display quality of the display panel is improved.
Owner:XIAMEN TIANMA MICRO ELECTRONICS

Display panel and preparation method thereof

The invention discloses a display panel, a preparation method thereof and a mobile terminal. The display panel comprises a substrate, an active layer, a gate insulating layer, a gate metal layer, an interlayer insulating layer and a source-drain metal layer, the display panel further comprises an isolation layer, the active layer comprises a polycrystalline silicon semiconductor sub-layer and a metal oxide semiconductor sub-layer which are arranged on the substrate, the metal oxide semiconductor sub-layer comprises a metal oxide active section and a metal oxide conductor section, and the isolation layer is arranged on the metal oxide conductor section. The orthographic projection of the isolation layer on the substrate at least partially covers the orthographic projection of the metal oxide conductor section on the substrate, on one hand, the display panel film layer is simple in structure, the production cost is reduced, the thickness of the display panel is reduced, and on the other hand, the display panel film layer is convenient to manufacture. Due to the arrangement of the isolation layer, the property of the metal oxide semiconductor sub-layer is not affected by the fact that the metal oxide semiconductor sub-layer and the polycrystalline silicon semiconductor sub-layer are arranged on the same layer.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD

Display module

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

Display panel and method of manufacturing the same

A display panel and a manufacturing method are provided. The display panel includes a substrate, a source / drain layer, a light shielding layer, a dielectric layer disposed on the substrate and covering the light shielding layer and the source / drain layer, and an oxide semiconductor layer disposed on the dielectric layer. The oxide semiconductor layer is connected to the source / drain layer and the light shielding layer through a first hole and a second hole, respectively. A metal layer is etched to form the source / drain layer and the light shielding layer simultaneously. The dielectric layer arranged on the substrate covers the light shielding layer and the source / drain layer. The dielectric layer functions as an isolating layer, which reduces the number of oxide TFT layers of the display panel, simplifying the film structure of the display panel, reducing the processes and masks required for production, thereby increasing production efficiency and reducing production costs.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD

Semiconductor packaging structure and preparation method thereof

The invention discloses a semiconductor packaging structure and a preparation method thereof. The semiconductor packaging structure comprises a plastic packaging body, at least one chip module, at least one receiving antenna module and at least one transmitting antenna module, wherein the chip module, the receiving antenna module and the transmitting antenna module are located in the plastic packaging body, and projections of the chip module, the receiving antenna module and the transmitting antenna module in the plastic packaging body are not overlapped and are spaced by a preset distance; the first surface of the receiving antenna module is provided with a receiving antenna, and the first surface of the transmitting antenna module is provided with a transmitting antenna; the second surface of the receiving antenna module is provided with a first connection bonding pad, the second surface of the transmitting antenna module is provided with a second connection bonding pad, and the surface of the chip module is provided with a third connection bonding pad. According to the technical scheme provided by the embodiment of the invention, the size and the thickness of the semiconductor packaging structure are reduced.
Owner:湖南越摩先进半导体有限公司

Imaging spectrum filter and preparation technique thereof

The invention relates to an imaging spectrum filter, which comprises a substrate and pixel layers. The imaging spectrum filter is characterized in that the front surface and the back surface of the substrate are covered by the pixel layers, and the pixel layers on the front surface and the back surface are interference film systems, or the pixel layer on one surface is an interference film system and the pixel layer on the other surface is a combination of color photosensitive resists; and each pixel layer is provided with a two-dimensional periodic structure, pixels in adjacent n wave bands belong to the same period and are repetitively arranged along the X-axis direction and the Y-axis direction of the surface of the filter until all working pixels of a detector are covered. The imaging spectrum filter has the advantages that since the pixel layers are decomposed on the two surfaces of the substrate, the number of layers of film systems in a pixel unit is decreased, the total thickness of the film systems is reduced and the structure is compact, the trap effect is effectively avoided; and since films are coated on the two surfaces of the substrate to enable the stress to be basically balanced, the substrate is not deformed, the coating accuracy is guaranteed, the time is reduced, the production efficiency is improved. Moreover, a unique ion beam sputtering double-sided coating machine design scheme and a unique magnetron sputtering double-sided coating machine design scheme are adopted.
Owner:孔令华

Display panel and display device

The invention discloses a display panel and a display device, comprising: a base substrate; a common electrode layer, the common electrode layer includes a plurality of special-shaped common electrodes and a plurality of conventional common electrodes, the areas of the conventional common electrodes are all the same, and the area of ​​the special-shaped common electrodes is The area is smaller than that of a conventional common electrode; the pixel electrode layer, the pixel electrode layer and the common electrode layer are located on the same side of the base substrate, and the pixel electrode layer includes a plurality of pixel electrodes; in the direction perpendicular to the plane where the base substrate is located, the pixel The distance between the electrode and the special-shaped common electrode is d1; the distance between the pixel electrode and the conventional common electrode is d2; wherein, d1<d2; and the first insulating layer, the first insulating layer is located between the pixel electrode layer and the common electrode layer between. Compared with the prior art, it can effectively reduce the capacitance difference formed between the special-shaped common electrode and the conventional common electrode and the pixel electrode, and improve the display quality of the display panel.
Owner:XIAMEN TIANMA MICRO ELECTRONICS

Infrared band diaphragm composite film, preparation method and composite material

The invention discloses an infrared waveband diaphragm composite membrane and a preparation method as well as a composite material, belonging to the technical field of manufacturing of optical thin films. The infrared waveband diaphragm composite membrane has a double-layer membrane structure; the first layer is a hafnium oxide membrane layer and the second layer is a chromium membrane layer; the first layer and the second layer have strong bonding force with a calcium fluoride base; and the inner stress is small and the manufacturability of an infrared diaphragm prepared by a photographing copying method is good. According to the preparation method of the infrared waveband diaphragm layer, the hafnium oxide membrane layer and the chromium membrane layer are plated by adopting an evaporation manner and the chromium membrane layer is plated by two times so that the diaphragm prepared by adopting the photographing copying method has flat and smooth lines and have no light-transmitting point; and the preparation method has a simple technological process, is easy to operate and is suitable for industrial popularization and application. A base material of the infrared waveband diaphragm composite material is calcium fluoride, the inner layer membrane is the hafnium oxide membrane layer and the outer layer is the chromium membrane layer; and the bonding capability of the chromium membrane layer and calcium fluoride is strong and the process performance is good.
Owner:LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC

Film layer structure, touch panel and preparation method for film layer structure

The invention relates to the technical field of display, in particular to a film layer structure, a touch panel and a preparation method for the film layer structure. The invention aims to solve the problem that the reliability of a conventional film layer structure is unqualified due to the fact that a polaroid shrinks in a high-temperature and high-humidity environment. The film layer structure provided by the invention comprises: a metal layer; a protective layer, which is arranged on the surface of one side of the metal layer; and a polaroid, which is arranged on the surface of one side, far away from the metal layer, of the protective layer, wherein the side, close to the polaroid, of the protective layer comprises a first graphical structure, and the side, close to the protective layer, of the polaroid comprises a second graphical structure which is matched with the first graphical structure in a nested mode, so nested matching is formed between the polaroid and the protective layer, the binding force between the polaroid and the protective layer is increased, and the shrinkage amount of the polaroid is reduced. Therefore, the corrosion degree of the metal layer below the polaroid is reduced, and the reliability of the film layer structure is improved.
Owner:KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD

Display panel, display device and method for manufacturing display panel

The embodiment of the present invention discloses a display panel, a display device, and a manufacturing method of the display panel. The display panel includes: a supporting substrate; the supporting substrate includes a first display area and a second display area, and the second display area is multiplexed as a sensor The second display area includes a light-transmitting area and a light-emitting area; an organic light-emitting panel; the organic light-emitting panel is located in the first display area; the organic light-emitting panel includes a plurality of organic light-emitting units; the organic light-emitting panel includes a preset hollow structure, preset The shape and size of the hollow structure and the reserved area of ​​the sensor are consistent; multiple Micro LEDs; multiple Micro LEDs and organic light-emitting panels are located on the same side of the supporting substrate, and multiple Micro LEDs are located in the light-emitting area of ​​the second display area. The display panel provided by the embodiment of the present invention can realize the combination of the organic light-emitting unit and the Micro LED, and does not need to add an additional film structure, which is conducive to simplifying the film structure of the display panel, thereby facilitating the realization of light and thin display panels.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD
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