With Light Block Conductively Connected To Transistor Patents (Class 349/44)
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Patent number: 12248222Abstract: A display device may include a scan line extending in a first direction, a storage line parallel to the scan line, a first data line disposed on the scan line and the storage line, the first data line extending in a second direction crossing the first direction, a second data line parallel to the first data line, a transistor including a control electrode protruding from the scan line, a source electrode protruding from the first data line, and a drain electrode spaced apart from the source electrode and including a drain electrode extending portion, and a pixel electrode disposed between the first data line and the second date line and connected to the drain electrode extending portion. The storage line or the scan line may include a first extending portion between the second data line and the drain electrode extending portion in a plan view.Type: GrantFiled: February 10, 2021Date of Patent: March 11, 2025Assignee: Samsung Display Co., Ltd.Inventors: Yong Hee Lee, Dong Hee Shin, Geun Ho Lee
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Patent number: 12222610Abstract: This invention discloses a display panel including a sub-pixel. The sub-pixel includes a switch device, a first electrode, a transparent electrode, and a reflective electrode. The switch device and the first electrode are disposed in the reflective region and electrically connected. The transparent electrode is disposed on the first electrode and in the reflective region and the light transmissive region. The transparent electrode has a first length in a first direction and a second length in a second direction. The reflective electrode is disposed on the transparent electrode and in the reflective region. The reflective electrode has a third length in the first direction and a fourth length in the second direction, and the third length is greater than the first length, and the fourth length is greater than the second length. The transparent electrode, the reflective electrode, and the first electrode are electrically connected.Type: GrantFiled: April 21, 2024Date of Patent: February 11, 2025Assignee: HANNSTAR DISPLAY CORPORATIONInventors: Min-Jung Ho, Hsien-Tang Hu
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Patent number: 12224209Abstract: A manufacturing method of a semiconductor device includes forming a stack of first semiconductor layers and second semiconductor layers alternatively formed on top of one another, where a topmost layer of the stack is one of the second semiconductor layers; forming a patterned mask layer on the topmost layer of the stack; forming a trench in the stack based on the patterned mask layer to form a fin structure; forming a cladding layer extending along sidewalls of the fin structure; and removing the patterned mask layer and a portion of the cladding layer by performing a two-step etching process, where the portion of the cladding layer is removed to form cladding spacers having a concave top surface with a recess depth increasing from the sidewalls of the fin structure.Type: GrantFiled: April 8, 2022Date of Patent: February 11, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chia-Cheng Chao, Hsin-Chieh Huang, Yu-Wen Wang
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Patent number: 12216367Abstract: Disclosed are dimming assemblies and display systems for reducing artifacts produced by optically-transmissive displays. A system may include a substrate upon which a plurality of electronic components are disposed. The electronic components may include a plurality of pixels, a plurality of conductors, and a plurality of circuit modules. The plurality of pixels may be arranged in a two-dimensional array, with each pixel having a two-dimensional geometry corresponding to a shape with at least one curved side. The plurality of conductors may be arranged adjacent to the plurality of pixels. The system may also include control circuitry electrically coupled to the plurality of conductors. The control circuitry may be configured to apply electrical signals to the plurality of circuit modules by way of the plurality of conductors.Type: GrantFiled: May 25, 2023Date of Patent: February 4, 2025Assignee: Magic Leap, Inc.Inventors: Andrew Ian Russell, Jahja I. Trisnadi, Vaibhav Mathur, David Manly, Michael Robert Johnson, Clinton Carlisle
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Patent number: 12216348Abstract: A display device is provided. A liquid crystal display panel has a first display area and a second display area. When the display device displays, a brightness of the first display area is lower than a brightness of the second display area. The liquid crystal display panel includes a pixel electrode, a common electrode, and an insulating layer disposed between the pixel electrode and the common electrode. A thickness of at least part of the insulating layer in the first display area is greater than a thickness of at least part of the insulating layer in the second display area.Type: GrantFiled: May 25, 2022Date of Patent: February 4, 2025Assignee: GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Xiaobin Hu
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Patent number: 12169615Abstract: Provided is a display device including a display panel including a display region and a non-display region, and an input sensing device disposed on the display panel. The input sensing device includes a first sensing insulation layer directly disposed on the display panel, a first sensing conductive layer disposed on the first sensing insulation layer, a second sensing insulation layer disposed on the first sensing insulation layer and covering the first sensing conductive layer, and a second sensing conductive layer disposed on the second sensing insulation layer. The second sensing insulation layer includes an organic film, and a first thickness of the first sensing conductive layer is greater than a second thickness of the second sensing conductive layer.Type: GrantFiled: March 21, 2023Date of Patent: December 17, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Miyoung Kim, Soyeon Park, Yong-Hwan Park, Sanghyun Jun
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Patent number: 12142688Abstract: A semiconductor device comprising an oxide semiconductor film, a gate electrode, a first insulating film, a source electrode, a drain electrode, and a second insulating film is provided. Each of a top surface of the gate electrode, a top surface of the source electrode, and a top surface of the drain electrode comprises a region in contact with the second insulating film. A top surface of the first insulating film comprises a region in contact with the gate electrode and a region in contact with the second insulating film and overlapping with the oxide semiconductor film in a cross-sectional view of the oxide semiconductor film. The oxide semiconductor film comprises a region in contact with the first insulating film and a region in contact with the second insulating film and adjacent to the region in contact with the first insulating film in the cross-sectional view.Type: GrantFiled: August 31, 2023Date of Patent: November 12, 2024Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Shunpei Yamazaki, Junichi Koezuka, Masami Jintyou, Yukinori Shima, Takashi Hamochi, Yasutaka Nakazawa
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Patent number: 12105391Abstract: A display panel and a liquid crystal display device are provided by the present application. The display panel includes a thin film transistor, a data line, and a scanning line. The thin film transistor includes an active layer, and the active layer includes a first section extending along a length direction of the data line and overlapping the data line, wherein the first section is electrically connected to the data line; a second section extending along the length direction of the data line; and a third section connecting the first section and the second section and extending along a length direction of the scanning line and overlapping the scanning line.Type: GrantFiled: March 15, 2021Date of Patent: October 1, 2024Inventor: Wenqiang Yu
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Patent number: 11960175Abstract: According to one embodiment, a liquid crystal display device includes first and second substrates and a liquid crystal layer. The first substrate includes scanning line extending in a first direction, signal line extending in a second direction, pixel electrodes including and a common electrode. The common electrode includes sub-electrodes extending in the first or second direction. Each of the sub-electrodes includes a first portion having a width greater than the scanning or signal line, and a second portion having a width less than the first portion but greater than the scanning or signal line. The first and second portions are alternately arranged along a direction in which the sub-electrodes extend.Type: GrantFiled: June 6, 2023Date of Patent: April 16, 2024Assignee: Japan Display Inc.Inventors: Kyosuke Watanabe, Yuji Maede
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Patent number: 11908871Abstract: A flexible display device includes: a flexible substrate; a semiconductor layer on the flexible substrate, the semiconductor layer including a polycrystalline semiconductor; a gate insulation layer on the semiconductor layer; and a gate electrode on the gate insulation layer, the gate electrode overlapping a channel region of the semiconductor layer in a plan view, wherein the semiconductor layer includes a source region and a drain region that are at opposite sides of the channel region, wherein the channel region includes a first region contacting the source region and a second region contacting the drain region, and wherein a channel width of the first region is greater than a channel width of the second region.Type: GrantFiled: April 13, 2021Date of Patent: February 20, 2024Assignee: Samsung Display Co., Ltd.Inventor: Keun Woo Kim
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Patent number: 11815707Abstract: The present disclosure provides a display device and a method for manufacturing the same. The display device includes: a display panel; and polarizing structures and light absorbing structures located on a light emitting side of the display panel. A plurality of groove structures are formed between the polarizing structures, and each of the light absorbing structures is located in the groove structures.Type: GrantFiled: June 28, 2019Date of Patent: November 14, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bing Zhang, Puyu Qi
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Patent number: 11782319Abstract: According to one embodiment, a display device includes a base, a switching element disposed above the base, a scanning line which supplies a scanning signal to the switching element, an organic insulating layer covering the switching element and having a contact hole, a pixel electrode disposed above the organic insulating layer and connected to the switching element through the contact hole, and a metal line disposed above the organic insulating layer and extending parallel to the scanning line. The scanning line, the metal line and the contact hole overlap each other in planar view.Type: GrantFiled: February 10, 2023Date of Patent: October 10, 2023Assignee: JAPAN DISPLAY INC.Inventor: Kyosuke Watanabe
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Patent number: 11768416Abstract: According to one embodiment, a display device includes an insulating substrate having a main surface, a switching element, a first pixel electrode electrically connected to the switching element, a second pixel electrode adjacent to the first pixel electrode, a wiring line provided between the first pixel electrode and the second pixel electrode, a convex portion provided between the wiring line and a liquid crystal layer, overlapping the wiring line and extending along the wiring line, and a black film formed into a belt-like shape overlapping the convex portion and having an inclined surface which inclines with respect to the main surface.Type: GrantFiled: December 2, 2022Date of Patent: September 26, 2023Assignee: JAPAN DISPLAY INC.Inventors: Toshiharu Matsushima, Jin Hirosawa
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Patent number: 11757041Abstract: A semiconductor device comprising an oxide semiconductor film, a gate electrode, a first insulating film, a source electrode, a drain electrode, and a second insulating film is provided. Each of a top surface of the gate electrode, a top surface of the source electrode, and a top surface of the drain electrode comprises a region in contact with the second insulating film. A top surface of the first insulating film comprises a region in contact with the gate electrode and a region in contact with the second insulating film and overlapping with the oxide semiconductor film in a cross-sectional view of the oxide semiconductor film. The oxide semiconductor film comprises a region in contact with the first insulating film and a region in contact with the second insulating film and adjacent to the region in contact with the first insulating film in the cross-sectional view.Type: GrantFiled: June 2, 2022Date of Patent: September 12, 2023Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Shunpei Yamazaki, Junichi Koezuka, Masami Jintyou, Yukinori Shima, Takashi Hamochi, Yasutaka Nakazawa
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Patent number: 11709398Abstract: According to one embodiment, a liquid crystal display device includes first and second substrates and a liquid crystal layer. The first substrate includes scanning line extending in a first direction, signal line extending in a second direction, pixel electrodes including and a common electrode. The common electrode includes sub-electrodes extending in the first or second direction. Each of the sub-electrodes includes a first portion having a width greater than the scanning or signal line, and a second portion having a width less than the first portion but greater than the scanning or signal line. The first and second portions are alternately arranged along a direction in which the sub-electrodes extend.Type: GrantFiled: February 15, 2022Date of Patent: July 25, 2023Assignee: Japan Display Inc.Inventors: Kyosuke Watanabe, Yuji Maede
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Patent number: 11658167Abstract: Provided are a display panel and a display device. The display panel includes a substrate and a plurality of pixel units disposed on the substrate. Each pixel unit includes a driving circuit and a light-emitting component, the driving circuit is disposed between the substrate and the light-emitting component, and the driving circuit is used for driving a corresponding light-emitting component to emit light. At least one light-emitting component is a micro Light Emitting Diode (LED). For a pixel unit in which the light-emitting component is the micro LED, the driving circuit at least includes a first thin film transistor, and a source and a drain of the first thin film transistor are disposed in a source-drain layer. A first electrode of the micro LED is electrically connected to a source or a drain of a corresponding first thin film transistor.Type: GrantFiled: December 27, 2019Date of Patent: May 23, 2023Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Zeshang He, Shaorong Yu
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Patent number: 11644724Abstract: A display device includes a first member, a second member, image signal lines, signal sources, synchronization line terminals, and synchronization lines. The first member includes a display area. The second member includes a plate surface greater than the plate surface of the first member and a display area. The second member includes a covered portion covered with the first member and an uncovered portion not covered with the first member. The image signal lines are disposed in the covered portion. The signal sources are mounted to signal source mounting areas of the uncovered portion. The synchronization line terminals are disposed in the signal source mounting areas and coupled to the signal sources. The synchronization lines are disposed in the covered portion and the uncovered portion and coupled to the synchronization line terminals. Some of the synchronization lines cross a border between the covered portion and the uncovered portion.Type: GrantFiled: February 24, 2021Date of Patent: May 9, 2023Assignee: SHARP KABUSHIKI KAISHAInventor: Yohsuke Fujikawa
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Patent number: 11641767Abstract: A display device includes: a substrate comprising a first layer and a second layer; a first display area including a first pixel area on the substrate; a second display area including a second pixel area and a transparent area adjacent to each other on the substrate; and a blocking layer disposed in the second pixel area of the second display area, and disposed between a first layer and a second layer of the substrate in a side view, and the blocking layer including a metal blocks light.Type: GrantFiled: December 31, 2020Date of Patent: May 2, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jong Won Chae, Moo Soon Ko, Jin Seock Ma, Sung Hoon Moon, Se Wan Son, Yong-Je Jeon, Jin Goo Jung
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Patent number: 11605690Abstract: A display device includes: a substrate configured to contain an organic material; a first underlying film provided above the substrate; a thin film transistor provided above the first underlying film; a semiconductor film included in the thin film transistor and configured to have a channel region; and an electric field inhibition film provided between the first underlying film and the semiconductor film and configured to overlap the channel region in a plan view. The electric field inhibition film has a higher permittivity than the first underlying film.Type: GrantFiled: June 10, 2020Date of Patent: March 14, 2023Assignee: JAPAN DISPLAY INC.Inventors: Takuma Nishinohara, Hajime Akimoto
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Patent number: 11604390Abstract: According to one embodiment, a display device includes a base, a switching element disposed above the base, a scanning line which supplies a scanning signal to the switching element, an organic insulating layer covering the switching element and having a contact hole, a pixel electrode disposed above the organic insulating layer and connected to the switching element through the contact hole, and a metal line disposed above the organic insulating layer and extending parallel to the scanning line. The scanning line, the metal line and the contact hole overlap each other in planar view.Type: GrantFiled: November 17, 2021Date of Patent: March 14, 2023Assignee: JAPAN DISPLAY INC.Inventor: Kyosuke Watanabe
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Patent number: 11587955Abstract: A TFT backplane and a micro-LED display are provided A metal light shielding layer is placed at the lower surface of the substrate and the position of the metal light shield layer is corresponding to the active layer. This reduces the size of the side frame, which is used when assembling multiple displays in a large-size micro LED display application. This could meet the demand of large-size micro-LED display. In addition, this could further reduce the steps of depositing and patterning a conventional shield metal layer in a convention process of manufacturing the TFT. Therefore, the manufacturing steps of the TFT backplane are simplified and thus the manufacturing cost is reduced.Type: GrantFiled: September 9, 2019Date of Patent: February 21, 2023Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Gongtan Li, Hyunsik Seo
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Patent number: 11480839Abstract: In a substrate body of an electro-optical device, a first groove, and a second groove extending in a direction intersecting the first groove are formed. A capacitance element is constituted by a layered film that includes a first conductive film, a dielectric film, and a second conductive film sequentially layered in a region including the first groove and the second groove. When the first groove and the second groove intersect, the intersection becomes wide during etching. However, when the first groove and the second groove do not intersect, such as when the first groove and the second groove are spaced apart, a wide portion is less likely to be generated. Accordingly, the first insulating film easily fills the grooves.Type: GrantFiled: March 11, 2022Date of Patent: October 25, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Tomoki Yokota, Kikuya Morita
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Patent number: 11449180Abstract: The present invention provides a method for manufacturing a substrate equipped with a wiring electrode which has a fine pattern and is excellent in conductivity and in which an opaque wiring electrode is hardly visible. Disclosed is a method for manufacturing a substrate equipped with a wiring electrode including the steps of forming an opaque wiring electrode on at least one side of a transparent substrate, applying a positive photosensitive composition on one side of the transparent substrate, and exposing and developing the positive photosensitive composition using the opaque wiring electrode as a mask to form a functional layer at a portion corresponding to the opaque wiring electrode.Type: GrantFiled: February 16, 2018Date of Patent: September 20, 2022Assignee: TORAY INDUSTRIES, INC.Inventors: Kohei Takase, Tsukuru Mizuguchi
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Patent number: 11398502Abstract: The disclosure provides a display device, which includes a substrate, two adjacent pixels, and two adjacent light shielding layers. The two adjacent pixels are respectively disposed on the substrate and arranged along the first direction. The two adjacent light shielding layers are respectively disposed between the two adjacent pixels and the substrate. One of the two adjacent pixels includes a sub-pixel and a low-sensitivity sub-pixel. The two adjacent light shielding layers are spaced apart by the gap region disposed corresponding to the low-sensitivity sub-pixel. The display device of the disclosure can reduce the problem of image quality degradation caused by photo-leakage current.Type: GrantFiled: October 16, 2020Date of Patent: July 26, 2022Assignee: Innolux CorporationInventors: Ming-Jou Tai, Chia-Hao Tsai
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Patent number: 11355524Abstract: In a display device, the display device includes a substrate, a first conductive layer, a second conductive layer, a semiconductor layer, an opposite substrate and a display medium layer. The first conductive layer is disposed on the substrate and includes a trace portion extending along a first direction and a protrusive portion extending from the trace portion. The second conductive layer is disposed on the first conductive layer and includes a wiring portion extending along a second direction. The semiconductor layer is disposed on the substrate. When viewed in a third direction perpendicular to the first direction and the second direction, an interface disposes between the trace portion and the protrusive portion, a virtual extending line overlaps the second edge and the interface, and the semiconductor layer extends beyond the virtual extending line. The display medium layer is disposed between the substrate and the opposite substrate.Type: GrantFiled: February 24, 2021Date of Patent: June 7, 2022Assignee: INNOLUX CORPORATIONInventors: Cheng-Hsiung Chen, Pei-Chieh Chen, Chao-Hsiang Wang, Yi-Ching Chen
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Patent number: 11320701Abstract: The present invention provides a liquid crystal display that can reduce occurrence of quality problems and improve adhesive strength between substrates. The present invention is a liquid crystal display including a first substrate, a second substrate, and a seal. The first substrate includes a shift register monolithically formed on an insulating substrate, a plurality of bus lines, a first end, and a display region. The shift register includes a plurality of multistage-connected unit circuits and wiring connected to the plurality of unit circuits, and is arranged in a region between the first end and the display region. At least one of the unit circuits includes a clock terminal, an output terminal, an output transistor, a second transistor, and a bootstrap capacitor. The output transistor and the bootstrap capacitor are arranged in a region between the first end and one of the wiring and the second transistor.Type: GrantFiled: November 16, 2020Date of Patent: May 3, 2022Assignee: SHARP KABUSHIKI KAISHAInventor: Takahiro Mori
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Patent number: 11262631Abstract: The preset disclosure provides an array substrate and a method for manufacturing the same, a display panel and a display device. The array substrate includes: a base substrate; data lines and pixel electrodes located on the base substrate, and a light shielding structure located on a side of the data lines close to the base substrate, orthographic projections of the gaps on the base substrate are located within an orthographic projection of the light shielding structure on the base substrate, and the light shielding structure includes a metal layer and a first transparent layer located on a side of the metal layer away from the base substrate.Type: GrantFiled: March 20, 2020Date of Patent: March 1, 2022Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yihe Jia, Xiangqian Ding, Xiaoxiang Zhang, Hao Han, Lianjie Yang, Yongzhi Song, Yan Pang
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Patent number: 11245042Abstract: A thin film transistor (10) may include a substrate (100); a buffer layer (300) on a surface of the substrate (100); an active layer (400) on a surface of the buffer layer (300) opposite from the substrate (100); a gate insulating layer (500) on a surface of the active layer (400) opposite from the substrate (100), and a gate (600) on a surface of the gate insulating layer (500) opposite from the substrate (100). A width of the active layer (400) may be smaller than a width of the gate (600), and an orthographic projection of the gate (600) on the substrate (100) may cover an orthographic projection of the active layer (400) on the substrate (100).Type: GrantFiled: November 7, 2019Date of Patent: February 8, 2022Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.Inventor: Binbin Cao
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Patent number: 11231610Abstract: The present disclosure is related to a display panel. The display panel may include a first light shielding layer (101) in a display region and a second light shielding layer (212) opposite the first light shielding layer (101) in the display region. The first light shielding layer (101) may include a plurality of first openings (112), and the second light shielding layer (212) may include a plurality of second openings (222). The display region may include a middle display region (20A) and a periphery display region (20B). An area of each of the plurality of the first openings (112) in the periphery display region (20B) may be smaller than an area of each of the plurality of the first openings (112) in the middle display region (20A).Type: GrantFiled: July 19, 2018Date of Patent: January 25, 2022Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaokang Wang, Yanqing Chen, Jianyun Xie, Wei Li, Cheng Li, Le Sun, Wei Zhang, Xin Zhao, Zhijun Niu, Yezhou Fang, Pan Guo, Yanfeng Li, Weida Qin, Ning Wang
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Patent number: 11187952Abstract: Provided is a liquid crystal display device that includes an effective pixel portion, a pixel drive portion, and a dummy pixel portion adjacent to the effective pixel portion. The effective pixel portion comprises effective pixels contributing to display. The dummy pixel portion includes dummy pixels not contributing to the display. The pixel drive portion drives the effective pixels of the effective pixel portion and the dummy pixels of the dummy pixel portion by reversing a voltage applied to a liquid crystal with a given period with a reference voltage as a center. The effective pixels and the dummy pixels each have a pixel transistor and a retention capacitor. In addition, with respect to retention characteristics of a pixel electric potential in relation to the reference voltage, the retention characteristics of the dummy pixel portion are made asymmetrical relative to the retention characteristics of the effective pixel portion.Type: GrantFiled: March 10, 2017Date of Patent: November 30, 2021Assignee: SONY CORPORATIONInventor: Hitoshi Tsuno
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Patent number: 11183556Abstract: A display device includes: a substrate; a first conductive layer including a lower pattern disposed on the substrate; an active layer including a first active pattern disposed on the first conductive layer; and a second conductive layer including a first gate electrode disposed on the active layer, wherein the first gate electrode overlaps a first channel region included in the first active pattern, the lower pattern overlaps the first active pattern, and the first active pattern does not cross an edge of the lower pattern.Type: GrantFiled: February 5, 2020Date of Patent: November 23, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jun Hyun Park, Kang Moon Jo, Dong Woo Kim
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Patent number: 11150531Abstract: The present invention provides an array substrate, a liquid crystal display panel, and a liquid crystal display device. The array substrate includes a substrate and first metal wires, pixel electrodes, second metal wires, and thin film transistors disposed on the substrate. The first metal wires include transverse and longitudinal wires. Intersecting portions of the transverse and longitudinal wires form corner regions. The second metal wires can shield the longitudinal wires edges and the corner regions to prevent “bright spot in a dark image state” due to light leakage of edges of the longitudinal wires and the corner regions. The liquid crystal display panel and display device include color filter substrate, the color filter substrate comprises a black matrix, and the black matrix shield light leakage of the first metal wires and the second metal wires edges to further achieve removal of the “bright spot in the dark image state”.Type: GrantFiled: November 27, 2019Date of Patent: October 19, 2021Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Xin Zhang, Lixuan Chen
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Patent number: 11119373Abstract: An array substrate, a method of manufacturing the same, and a display device are provided. The array substrate includes a base substrate; a plurality of thin film transistors on the base substrate; and a plurality of light shielding layers on a side of the plurality of thin film transistors facing away from the base substrate, each thin film transistor includes an active layer, at least a portion of the active layer serves as a channel of the thin film transistor, and an orthogonal projection of each of the light shielding layers on the base substrate at least partially overlaps an orthogonal projection of the channel of one of the plurality of thin film transistors on the base substrate.Type: GrantFiled: August 30, 2018Date of Patent: September 14, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yunze Li, Ni Yang, Qian Tan, Zhongfei Dong, Xiaoyuan Wang
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Patent number: 11114351Abstract: A dummy element includes: a semiconductor substrate; a lower insulating film deposited on the semiconductor substrate; a first resistive layer deposited on the lower insulating film; an interlayer insulating film covering the first resistive layer; a first pad-forming electrode deposited on the interlayer insulating film so as to be connected to the first resistive layer, and including an extending portion to be in Schottky contact with the semiconductor substrate; a relay wire connected to the first resistive layer and connected to the semiconductor substrate with an ohmic contact; and a counter electrode allocated under the semiconductor substrate, the dummy element simulating a defective state in the lower insulating film and the interlayer insulating film immediately under the first pad-forming electrode included in a corresponding resistive element as a target to be examined.Type: GrantFiled: June 27, 2019Date of Patent: September 7, 2021Assignee: FUJI ELECTRIC CO., LTD.Inventors: Osamu Sasaki, Masaru Saito, Taichi Karino
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Patent number: 11114475Abstract: The present invention provides an IPS TFT array substrate and a manufacturing method thereof. The manufacturing method of an IPS TFT array substrate of the present invention includes: forming a gate electrode, a scan line, a pixel electrode, and a common electrode with a first mask-involved operation, forming a first through hole and a second through hole in the gate insulation layer and an active layer with a second mask-involved operation, and forming a source electrode, a drain electrode, a data line, and a common electrode line with a third mask-involved operation. The present invention uses only three mask-involved operations to complete the manufacturing of an IPS TFT array substrate. Compared to the state of the art, the number of masks used is reduced, the manufacturing time is shortened, and thus the manufacturing cost is lowered. The IPS TFT array substrate of the present invention has a simple manufacturing process, a low manufacturing cost, and excellent electrical properties.Type: GrantFiled: December 20, 2017Date of Patent: September 7, 2021Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Zhichao Zhou, Hui Xia, Meng Chen
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Patent number: 11112662Abstract: A black matrix substrate includes a black dielectric layer formed on a transparent substrate, a first insulating layer formed on the black dielectric layer, a first conductive layer formed on the first insulating layer and including a first conductive pattern, a second insulating layer formed on the first conductive pattern, an oxide semiconductor layer formed on the second insulating layer, a second conductive layer formed on the oxide semiconductor layer and the second insulating layer, the second conductive layer including a second conductive pattern, a transparent resin layer formed on the second conductive pattern, and a light-absorbing layer formed on the transparent resin layer. The black dielectric layer includes carbon and covers the first and second conductive patterns in a plan view. The light-absorbing layer includes carbon and covers the first and second conductive patterns in a plan view.Type: GrantFiled: December 28, 2020Date of Patent: September 7, 2021Assignee: TOPPAN PRINTING CO., LTD.Inventors: Nozomi Onaka, Kenzo Fukuyoshi
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Patent number: 11088184Abstract: An array substrate and a method of manufacturing the same are provided. The method of manufacturing an array substrate includes: forming a black matrix and an organic insulating pattern on a base substrate with a thin film transistor formed thereon, wherein the black matrix and the organic material pattern are formed by using an identical mask.Type: GrantFiled: September 15, 2017Date of Patent: August 10, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Na Zhao, Xufei Xu, Ru Zhou, Yue Shi
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Patent number: 11048370Abstract: There is provided a display device. The display device includes a display panel for displaying an image on a front surface thereof and a pressure sensor disposed on a rear surface of the display panel to sense touch pressure of a user. The pressure sensor includes a first sensing electrode and a second sensing electrode insulated from each other to form capacitance. The first sensing electrode is printed onto the rear surface of the display panel.Type: GrantFiled: November 17, 2017Date of Patent: June 29, 2021Inventors: Gun Woo Ko, Won Mo Park, Hye Kyung Park
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Patent number: 11010009Abstract: There is provided a display device. The display device includes a display panel for displaying an image on a front surface thereof and a pressure sensor disposed on a rear surface of the display panel to sense touch pressure of a user. The pressure sensor includes a first sensing electrode and a second sensing electrode insulated from each other to form capacitance. The first sensing electrode is printed onto the rear surface of the display panel.Type: GrantFiled: November 17, 2017Date of Patent: May 18, 2021Inventors: Gun Woo Ko, Won Mo Park, Hye Kyung Park
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Patent number: 10976616Abstract: The present disclosure provides a display panel, a manufacturing method thereof, and a display device, where the display panel includes a first substrate, a second substrate, a first spacer, and a second spacer. The first substrate and the second substrate are disposed opposite to each other. The first spacer is disposed on a side of the first substrate adjacent to the second substrate. The second spacer is disposed on a side of the second substrate adjacent to the first substrate. The first spacer and the second spacer are butted with each other through one of two embeddings in the other.Type: GrantFiled: June 25, 2019Date of Patent: April 13, 2021Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yisan Zhang, Quan Gan, Yongcan Wang, Wei Sun
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Patent number: 10964871Abstract: The present invention relates to a micro LED structure and a method of manufacturing the same. More particularly, the present invention relates to a micro LED structure and a method of manufacturing the same, the micro LED structure including: a micro LED; a circuit board driving the micro LED; and an anisotropic conductive anodic oxide film provided between the micro LED and the circuit board to electrically connect the circuit board and the micro LED. According to the present invention, without applying an external force (thermocompression bonding) to the anisotropic conductive anodic oxide film, it is possible to electrically connect the circuit board and the micro LED. In addition, it is possible to obtain characteristics such as uniform conductivity in a vertical direction and heat dissipation.Type: GrantFiled: June 17, 2020Date of Patent: March 30, 2021Assignee: POINT ENGINEERING CO., LTD.Inventors: Bum Mo Ahn, Seung Ho Park, Tae Hwan Song
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Patent number: 10957715Abstract: In a display device, the display device includes a substrate, a first conductive layer, a second conductive layer, a semiconductor layer, an opposite substrate and a display medium layer. The first conductive layer is disposed on the substrate and includes a trace portion extending along a first direction and a protrusive portion extending from the trace portion. The second conductive layer is disposed on the first conductive layer and includes a wiring portion extending along a second direction. The semiconductor layer is disposed between the first conductive layer and the second conductive layer. When viewed in a third direction perpendicular to the first direction and the second direction, the semiconductor layer is fully located in the first conductive layer, an edge of the semiconductor layer overlaps the trace portion, and another edge of the semiconductor layer overlaps the protrusive portion. The display medium layer is disposed between the substrate and the opposite substrate.Type: GrantFiled: May 6, 2019Date of Patent: March 23, 2021Assignee: INNOLUX CORPORATIONInventors: Cheng-Hsiung Chen, Pei-Chieh Chen, Chao-Hsiang Wang, Yi-Ching Chen
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Patent number: 10943964Abstract: The present disclosure relates to a display substrate, a manufacturing method thereof, and a display device. The display substrate comprises: a plurality of sub-pixels arranged in an array; a base substrate; and an interlayer insulating layer, at least one heightened part and a plurality of signal wires, sequentially disposed on the base substrate, wherein an orthographic projection of the heightened part on the base substrate is located between orthographic projections of two adjacent sub-pixels on the base substrate, and two adjacent signal wires between the two adjacent sub-pixels are located on two sides of the heightened part and at least partially cover two lateral sides of the heightened part respectively.Type: GrantFiled: April 16, 2018Date of Patent: March 9, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhen Song, Hongda Sun, Guoying Wang
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Patent number: 10944080Abstract: A display apparatus includes a flexible display panel including a display area configured to display an image and a periphery area adjacent to the display area, a first light shielding member, configured to shield a light at least a portion of the periphery area at a first light shielding rate, disposed on the flexible display panel, an adhesive member configured to cover the first light shielding member and the flexible display panel, a second light shielding member, overlapped at least a portion of the first light shielding member, configured to shield a light at a second light shielding rate, disposed on the adhesive member, and a cover member configured to cover the adhesive member and the second light shielding member.Type: GrantFiled: October 3, 2019Date of Patent: March 9, 2021Assignee: LG Display Co., Ltd.Inventors: Miyeon Seo, Taehyoung Kwak, Sinchul Kang, Suk Choi
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Patent number: 10923553Abstract: An active side slit and an FPC side slit each extend through a second inorganic insulating film and reach a first inorganic insulating film. The active side slit is formed between an active region and an IC chip mounted region of an EL device in plan view and also, the IC chip mounted region is sandwiched between the active side slit and the FPC side slit.Type: GrantFiled: September 26, 2017Date of Patent: February 16, 2021Assignee: SHARP KABUSHIKI KAISHAInventor: Masahiro Mitani
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Patent number: 10895786Abstract: A liquid crystal display device is provided. The liquid crystal display device of the disclosure includes: a first substrate and a second substrate facing each other; a liquid crystal layer interposed between the first substrate and the second substrate; a column spacer disposed on the first substrate and maintaining a gap between the first substrate and the second substrate; a light blocking pattern disposed on the first substrate and including an extended portion formed around the column spacer; and light blocking metal overlapped with at least a part of a region adjacent to and outside of a boundary of the extended portion that is not parallel to an alignment direction of liquid crystal molecules.Type: GrantFiled: June 3, 2016Date of Patent: January 19, 2021Assignee: Samsung Display Co., Ltd.Inventors: Dong Wook Kim, Jeong Ho Lee, Su Jin Lee, Sung Jin Hong
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Patent number: 10891889Abstract: A display device capable of substantially preventing light leakage generated in a non-display area of the display device, the display device including: a substrate including a display area and a non-display area; a thin film transistor disposed in the display area; a first connection electrode disposed in the non-display area and connected to the thin film transistor; a second connection electrode disposed in the non-display area and disposed apart from the first connection electrode; a first insulating layer overlapping one end portion of the first connection electrode and one end portion of the second connection electrode; a floating electrode disposed on the first insulating layer; and a bridge electrode disposed on the second insulating layer, connected to the first connection electrode through a first contact hole, and connected to the second connection electrode through a second contact hole.Type: GrantFiled: August 27, 2018Date of Patent: January 12, 2021Assignee: Samsung Display Co., Ltd.Inventors: Basrur Veidhes, Seongyoung Lee, Doyeong Park, Jinsu Lee, Kun-Wook Han
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Patent number: 10884304Abstract: A display panel includes a first substrate, a second substrate, a display medium layer, pixel units, and a light-shielding conductive pattern layer. The first substrate has a first inner surface and a first outer surface, and the first outer surface serves as a display surface of the display panel. The second substrate is disposed opposite to the first substrate and has a second inner surface and a second outer surface. The display medium layer is disposed between the first inner surface and the second inner surface. The pixel units are disposed between the display medium layer and the first inner surface, and at least one of the pixel units includes an active element. The light-shielding conductive pattern layer is disposed between the display medium layer and the second inner surface, at least partially overlaps the active element in a vertical projection direction, and includes a first patterned light-shielding conductive layer and a first patterned low-reflection layer.Type: GrantFiled: November 8, 2018Date of Patent: January 5, 2021Assignee: Au Optronics CorporationInventors: Bo-Ru Jian, Wei-Liang Chan, Chen-Yi Wu, Mei-Hui Lee, Chi-Hsiung Chang, Tai-Tso Lin
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Patent number: 10879498Abstract: An organic light emitting diode (OLED) display device includes an OLED display panel, a first insulating layer disposed on the OLED display panel, a first metal layer disposed on the first insulating layer, a second insulating layer disposed on the first metal layer and the first insulating layer, a second metal layer disposed on the second insulating layer, a black matrix disposed on the second metal layer, a hard mask disposed on the black matrix, and color resists disposed on the OLED display panel. The OLED display panel includes sub-pixels. Openings extend through the second metal layer, the black matrix, and the hard mask and are positioned corresponding to the sub-pixels. Each color resist is disposed in the openings. The present invention can effectively eliminate reflective light under strong light, and provide a manufacturing process implemented with a small number of masks at a lower product cost.Type: GrantFiled: April 8, 2019Date of Patent: December 29, 2020Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Lei Wang, Wenxu Xianyu, Wenliang Gong, Xiaowen Huang, Zesheng Chen
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Patent number: 10879275Abstract: A pixel structure includes a pixel electrode, a data selection line and an isolation line. The isolation line is disposed along the pixel electrode. The pixel electrode is configured to store a pixel voltage. The data selection line is configured to transmit a data signal. The isolation line is configured to reduce an influence of an electric field of the data signal on the pixel voltage of the pixel electrode. A projection area of the isolation line is overlapped with a projection area of the pixel electrode.Type: GrantFiled: May 6, 2019Date of Patent: December 29, 2020Assignee: E Ink Holdings Inc.Inventors: Ji-Yuan Li, Ian French, San-Long Lin, Kuang-Heng Liang, Shu-Fen Tsai, Jia-Hung Chen