Matrix Electrodes Patents (Class 349/143)
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Patent number: 12237338Abstract: An array substrate, a method for manufacturing an array substrate, and a display panel are provided. The array substrate includes a substrate and a thin film transistor layer arranged on the substrate. The thin film transistor layer includes a plurality of thin film transistors. The thin film transistors each include an active layer, a source/drain, a first gate, a second gate, and a first insulating layer. The first gate and the second gate are electrically connected through the through hole. The problems of difficulty in etching and excessively long etching time are avoided while reducing the gate resistance of the thin film transistor.Type: GrantFiled: August 30, 2021Date of Patent: February 25, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Zhixiong Jiang
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Patent number: 12205525Abstract: A display panel and a display device. The display panel includes a first display region, a second display region, and a non-display region, where transmittance of the first display region is higher than transmittance of the second display region; at least one first display unit disposed in the first display region, at least one first gate drive circuit disposed in the non-display region and at least one first pixel circuits disposed in the non-display region, where the at least one first pixel circuit is connected to the at least one first display unit and configured to provide a drive current for the at least one first display unit, and the at least one first gate drive circuit is connected to the at least one first pixel circuit and configured to provide a drive signal for the at least one first pixel circuit.Type: GrantFiled: November 18, 2022Date of Patent: January 21, 2025Assignee: HEFEI VISIONOX TECHNOLOGY CO., LTD.Inventors: Lei Mi, Hongqing Feng, Jianjun Lu
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Patent number: 12140842Abstract: A display substrate, a display device and a mask are provided. The display substrate includes a base substrate and a pixel electrode at a side of the base substrate; the pixel electrode includes at least two strip electrodes, a slit is provided between adjacent strip electrodes of the at least two strip electrodes, the slit at least includes a first corner end located on at least one end of the slit, the first corner end includes a first edge and a second edge oppositely disposed, and a first transition edge connecting an end of the first edge with an end of the second edge, the first transition edge has an arc shape protruding away from the first corner end; a first included angle is formed between the first and second edges, and the first included angle is greater than or equal to 0° and less than or equal to 13°.Type: GrantFiled: June 18, 2021Date of Patent: November 12, 2024Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jiliang Zhang, Xiaona Liu, Yu Ma, Weitao Chen, Xiao Wang, Yuqiong Chen
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Patent number: 12130522Abstract: The present application relates to a liquid crystal display panel and a display device. The liquid crystal display panel includes a pixel electrode, a common electrode, and a gating module; the common electrode includes a first common electrode, a second common electrode, and a common electrode bus; in a state that a subpixel area is pressed, the second common electrode and the common electrode bus are gated by the gating module; and in a state that the subpixel area is unpressed, the first common electrode and the common electrode bus are gated by the gating module. According to the present application, Trace Mura can be relieved.Type: GrantFiled: October 20, 2023Date of Patent: October 29, 2024Assignee: HKC CORPORATION LIMITEDInventors: Dingqiang Cai, Baohong Kang
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Patent number: 12120918Abstract: A display device with less display unevenness is provided. The display device includes a first layer and a second layer over the first layer; the first layer includes first circuits arranged in m rows and n columns; the second layer includes pixel blocks arranged in the m rows and the n columns; the pixel blocks each comprise pixels arranged in a rows and b columns; the pixel block includes a first wiring and a second wiring electrically connected to the pixel; the first wiring and the second wiring included in the pixel block in the i-th row and the j-th column are each electrically connected to the first circuit in the i-th row and the j-th column; the first wiring has a function of supplying an input signal from the first circuit to the pixel; and the second wiring has a function of supplying an output signal from the pixel to the first circuit.Type: GrantFiled: June 15, 2020Date of Patent: October 15, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hidetomo Kobayashi, Takayuki Ikeda
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Patent number: 12086954Abstract: A display apparatus that can display a high-resolution image can be provided. In the display apparatus, a first layer and a second layer are stacked. In the first layer, an arithmetic circuit and a data driver circuit and are provided, and in the second layer, a display portion is provided. In the arithmetic circuit, a neural network is configured. The display portion has a region overlapping with the data driver circuit. The arithmetic circuit has a function of performing arithmetic processing using the neural network on image data and supplying the arithmetically-processed image data to the data driver circuit.Type: GrantFiled: October 19, 2020Date of Patent: September 10, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yuki Okamoto, Tatsuya Onuki
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Patent number: 12066727Abstract: The present application discloses a display panel and a display device. A first metal layer includes at least one first signal transmitting portion. An insulating layer includes a protrusion portion covering the first signal transmitting portion. A second metal layer includes at least one second signal transmitting portion. The second signal transmitting portion includes a first sub-portion, a second sub-portion, and a third sub-portion. The second sub-portion and the third sub-portion are respectively connected to two ends of the first sub-portion. A conductive layer includes a bridging portion. An orthographic projection of the second sub-portion on a substrate and an orthographic projection of the third sub-portion on the substrate both fall outside a coverage of an orthographic projection of the protrusion portion on the substrate. Two ends of the bridging portion are electrically connected to the second sub-portion and the third sub-portion respectively.Type: GrantFiled: December 27, 2022Date of Patent: August 20, 2024Assignee: GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Yanhong Meng
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Patent number: 12013608Abstract: Provided are a liquid crystal lens and an electronic device. The lens includes a first and a second substrate structure; and an intermediate layer. The second substrate structure includes a second substrate; at least one electrode structure, each electrode structure including N groups of second electrodes, each group of which including M second electrodes. Orthographic projections of i-th group of second electrodes is within that of i-th intermediate portion. Each intermediate portion includes a liquid crystal layer, and j-th intermediate portion includes at least one of a first to fourth barrier walls. The liquid crystal lens is configured such that i-th intermediate portion constitutes a part of i-th stage Fresnel ring of a Fresnel zone plate, and optical paths of portions of i-th intermediate portion gradually decrease along the first direction, in a case where a predetermined voltage is between N groups of second electrodes and the first electrode.Type: GrantFiled: February 28, 2022Date of Patent: June 18, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhongxiao Li, Pengxia Liang, Zhiqiang Xu
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Patent number: 11997400Abstract: An imaging device includes a first pixel group including first photoelectric conversion regions, and at least one first color filter on the first photoelectric conversion regions. The imaging device includes a second pixel group including second photoelectric conversion regions, and at least one second color filter on the second photoelectric conversion regions. The imaging device includes a dummy region between the first pixel group and the second pixel group in a first direction so that a first side of the dummy region is adjacent to the first pixel group and a second side of the dummy region is adjacent to the second pixel group.Type: GrantFiled: November 28, 2019Date of Patent: May 28, 2024Assignee: Sony Semiconductor Solutions CorporationInventor: Ryoji Hasumi
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Patent number: 11940700Abstract: The present disclosure relates to an array substrate, a display panel, and a display device. The array substrate comprises a display area and a non-display area surrounding the display area; wherein: the display area includes gate lines and data lines, and a plurality of pixel units defined by the intersections of gate lines and data lines, each of the pixel units including a thin film transistor and a pixel electrode electrically connected to a drain electrode of the thin film transistor; the non-display area includes a plurality of dummy pixel units arranged around the display area, each of the dummy pixel units including a dummy thin film transistor and a dummy pixel electrode floating relative to a drain electrode of the dummy thin film transistor; the non-display area further includes a dummy common electrode structure electrically connected to at least some of the dummy pixel units.Type: GrantFiled: April 14, 2020Date of Patent: March 26, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chunping Long, Hui Li
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Patent number: 11886080Abstract: A liquid crystal display is provided and includes first substrate; data and gate lines on first substrate; first electrode arranged over data and gate lines; insulating layer on first electrode; second electrode on insulating layer including connection electrode, wherein projection electrodes connected to connection electrode; second substrate; black matrix on second substrate including first black matrix with a constant width, a second black matrix; and liquid crystal layer sandwiched between first and second substrates, wherein width of first black matrix is wider than width of second black matrix, where second black matrix overlaps connection electrode so as to dispose connection electrode inside of second black matrix in plan view.Type: GrantFiled: March 28, 2022Date of Patent: January 30, 2024Assignee: Japan Display Inc.Inventor: Toshiharu Matsushima
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Patent number: 11869903Abstract: A method of manufacturing a display apparatus includes forming a first conductive layer on a base substrate including a panel area and a margin area disposed next to the panel area, the margin area including a dummy pattern area, forming a photoresist layer on the first conductive layer, forming a photoresist pattern by exposing and developing the photoresist layer, forming a first conductive pattern by etching the first conductive layer using the photoresist pattern, and removing the photoresist pattern. The forming the first conductive pattern includes forming a first pixel circuit pattern in the panel area, and forming a dummy pattern in the dummy pattern area of the margin area. An opening ratio of a portion where the dummy pattern is not formed with respect to the dummy pattern area is about 30% or more.Type: GrantFiled: December 17, 2021Date of Patent: January 9, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jonghee Park, Jin Seock Kim
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Patent number: 11789323Abstract: A liquid crystal display device includes: first and second substrates; a liquid crystal layer interposed between the first and second substrates; a switching element provided on the first substrate; a first pixel electrode provided on the first substrate and electrically connected to a drain electrode of the switching element; an insulating film provided on the first pixel electrode; and a common electrode provided on the insulating film and including a first slit. The first pixel electrode extends in a first direction. The first slit extends in the first direction and is located above the first pixel electrode. In a planar view, both edges of the first pixel electrode in a second direction intersecting the first direction are located inside the first slit.Type: GrantFiled: March 24, 2022Date of Patent: October 17, 2023Assignee: TOPPAN INC.Inventors: Yayoi Nakamura, Kunpei Kobayashi
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Patent number: 11774805Abstract: A liquid crystal apparatus includes a first pixel electrode in a display region, and a second pixel electrode and a circuit such as a scan line driving circuit outside the display region. A TFT provided corresponding to the second pixel electrode is separated from the circuit, and the second pixel electrode extends to the region that overlaps the circuit.Type: GrantFiled: April 21, 2022Date of Patent: October 3, 2023Assignee: SEIKO EPSON CORPORATIONInventor: Daisuke Miyawaki
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Patent number: 11768415Abstract: A display device including a pixel electrode disposed in an opening area; a common electrode of which at least a region is disposed to be overlapped with the pixel electrode; a gate line extending along a first direction in a non-opening area surrounding the opening area and transmitting a gate signal to the pixel electrode; a data line extending along a second direction different from the first direction in the non-opening area, and transmitting a data signal to the pixel electrode; and a dummy line disposed to be overlapped with the data line in the non-opening area and electrically connected to the common electrode.Type: GrantFiled: September 12, 2022Date of Patent: September 26, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Jinuk Lee, Il Park
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Patent number: 11747661Abstract: A display panel and a display apparatus are provided in the present disclosure. The display panel includes a plurality of pixel units. At least one pixel unit includes a display region and an anti-peep region. The anti-peep region includes a first light-blocking layer and a second light-blocking layer; and along a direction perpendicular to the light-exiting surface of the display panel, a distance between the first light-blocking layer and the second light-blocking layer is greater than zero. The first light-blocking layer includes at least one first light-blocking strip and at least one first opening. The second light-blocking layer includes at least one second light-blocking strip and at least one second opening. A vertical projection of a first or second opening on the light-exiting surface of the display panel is within a vertical projection of a corresponding first or second light-blocking strip on the light-exiting surface of the display panel.Type: GrantFiled: February 16, 2022Date of Patent: September 5, 2023Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Wenqi Zhou, Yan Yang, Ting Zhou, Junyi Li
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Patent number: 11726366Abstract: According to some aspects, a liquid crystal display panel comprising an electrode is provided. The electrode comprises a plurality of convex branch electrode portions arranged in a plane, the convex branch electrode portions being convex when viewed from a first direction perpendicular to the plane and extending from a central region of the electrode to a periphery of the electrode, and a plurality of concave branch electrode portions, the concave branch electrode portions being concave when viewed from the first direction, extending from the central region to the periphery and adjacent to convex branch electrode portions. According to some aspects, a method of applying a pretilt to molecules in a liquid crystal layer of a liquid crystal display panel by applying a voltage to the liquid crystal layer via first and second electrodes is provided.Type: GrantFiled: August 18, 2021Date of Patent: August 15, 2023Assignee: SATURN LICENSING LLCInventors: Shunichi Suwa, Masashi Miyakawa, Chikashi Kobayashi, Yoji Nagase
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Patent number: 11714319Abstract: The disclosure provides a display device and a method for manufacturing the same. The display device includes: an array substrate, an opposite substrate and a liquid crystal layer between the array substrate and the opposite substrate. The array substrate includes a first base, and a first electrode and a second electrode of each of the plurality of sub-pixels, the first electrode and the second electrode being located on a side of the first base proximal to the liquid crystal layer; and the opposite substrate includes: a second base and an interference electrode of each of the sub-pixels, the interference electrode is located on a side of the second base proximal to the liquid crystal layer, orthographic projections of the interference electrode of each sub-pixel and the second electrode of said each sub-pixel on the first base at least partially overlaps.Type: GrantFiled: September 29, 2021Date of Patent: August 1, 2023Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Peng Chen, Xinxia Zhang, Fengzhen Lv
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Patent number: 11703705Abstract: A liquid crystal display panel includes a first transparent glass layer; a second transparent glass layer overlapping the first transparent glass layer; two or more pixel units disposed on a side of the first transparent glass layer opposite to the second transparent glass layer, each of the pixel units including a red sub-pixel, a green sub-pixel, a blue sub-pixel, and a white sub-pixel arranged in accordance with a predetermined rule; a black matrix disposed between the pixel units to isolate two pixel units adjacent to each other; and a fingerprint sensor disposed on the second transparent glass layer, and covered by the black matrix; when the fingerprint sensor is viewed from the top, an area of the fingerprint sensor corresponding to a region of the red sub-pixels is larger than any one of areas of the fingerprint sensors corresponding to respective regions of the green, blue, and white sub-pixels.Type: GrantFiled: May 12, 2020Date of Patent: July 18, 2023Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventors: Chih-jen Cheng, Che-jui Hsu, Tsang-chih Wu
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Patent number: 11670238Abstract: A display apparatus includes a substrate including a trench portion, a display area, and a non-display area. The non-display area includes a first non-display area. The display area includes a main area and first and second display areas protruding from the main area. The first non-display area and the trench portion are between the first and second display areas. The display apparatus further includes: first scan lines transmitting scan signals to pixels in the first display area; second scan lines transmitting scan signals to pixels in the second display area; connection scan lines in the first non-display area and connecting the first scan lines and the second scan lines; and driving voltage lines transmitting driving voltages to pixels in the main area. A plurality of first driving voltage lines among the driving voltage lines extend to the first non-display area, and overlap the plurality of connection scan lines.Type: GrantFiled: January 21, 2021Date of Patent: June 6, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jeonghun Kim, Byeongguk Jeon
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Patent number: 11653535Abstract: A display panel includes a substrate including a transmissive area, a first non-display area surrounding the transmissive area, and a display area at least partially surrounding the first non-display area; display elements in the display area and each including a pixel electrode; scan lines in the display area, at least one of which extending through the first non-display area and detouring along an edge of the transmissive area; a connection line in the first non-display area and at least partially overlapping at least one of the scan lines, and on a first layer that is a same layer as the pixel electrode; a first line on a second layer different from the first layer; and a second line on a third layer different from the first layer and at an opposite side with respect to the first line.Type: GrantFiled: October 26, 2020Date of Patent: May 16, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yujin Jeon, Daesuk Kim, Sukyoung Kim, Seungwoo Sung, Wonse Lee, Hyunji Cha
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Patent number: 11574593Abstract: A light emitting display panel having a high resolution is provided. The light emitting display panel includes a plurality of pixels. Each of the plurality of pixels includes a first pixel circuit layer, a second pixel circuit layer, and a light emitting device layer. The first pixel circuit layer includes a first pixel circuit that includes a first layer electrode. The second pixel circuit layer includes a second pixel circuit that includes a second layer electrode which configures a first capacitor along with the first layer electrode. The light emitting device layer includes a light emitting device electrically connected to a driving transistor provided in the second pixel circuit layer.Type: GrantFiled: October 28, 2020Date of Patent: February 7, 2023Assignee: LG Display Co., Ltd.Inventors: JeongHyeon Choi, Sul Lee, Eunil Cho
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Patent number: 11569272Abstract: An array substrate and a display panel are provided. The array substrate includes a data line, a thin film transistor having a gate and a source, a source wire, and a scan line. The source wire includes a predetermined breaking part configured to be cut off to break an electrical connection between the source and the data line. The scan line and the predetermined breaking part have a first predetermined distance in-between, and the first predetermined distance is used to prevent the scan line and the data line from forming a short circuit when a fixing operation is being performed.Type: GrantFiled: March 24, 2020Date of Patent: January 31, 2023Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTDInventor: Deli Zhou
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Patent number: 11527556Abstract: Disclosed are an array substrate and a display device. The array substrate includes: a plurality of sub-pixel elements in an array, wherein each row of sub-pixel elements includes a common electrode; the common electrode includes a plurality of sub-common electrodes, each of which corresponds to one of the sub-pixel elements; the sub-common electrode includes a body connection section, a plurality of comb teeth connected with the body connection section, and a shielding section connected with the body connection section, wherein the first comb teeth and the shielding section are on the same side of the body connection section, and the shielding section is on the outermost side of the first comb teeth; and the body connection sections of two adjacent sub-common electrodes in the common electrode are on two opposite sides. The body connection sections of two adjacent sub-common electrodes in each common electrode are arranged on two opposite sides.Type: GrantFiled: August 10, 2018Date of Patent: December 13, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Pan Li, Xinyin Wu, Yong Qiao
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Patent number: 11520189Abstract: A display device includes a plurality of transparent voltage-dividing common electrodes and a plurality of pixel units. The transparent voltage-dividing common electrodes are electrically isolated from each other in a first direction. Each of the pixel units includes a first pixel electrode, a second pixel electrode, and a voltage-dividing switch. The first pixel electrode is configured to receive a data voltage. The second pixel electrode is configured to receive the data voltage. The voltage-dividing switch is configured to divide the data voltage on the second pixel electrode to one of the transparent voltage-dividing common electrodes.Type: GrantFiled: November 11, 2021Date of Patent: December 6, 2022Assignee: AU OPTRONICS CORPORATIONInventors: Sheng-Ju Ho, Cheng-Han Tsao, Shang-Jie Wu, Yi-Jung Chen, Hung-Che Lin, Shun-Ling Hou, Nai-Wen Chang
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Patent number: 11520192Abstract: The present disclosure relates to an array substrate. The array substrate may include a base substrate; a first electrode layer on the base substrate, and at least one connection electrode at a periphery of the first electrode unit. The first electrode layer may include a plurality of first electrodes, each of the plurality of first electrodes may include at least one first electrode unit, the first electrode unit may include a plurality of strip electrodes, and a plurality of slits are between the plurality of strip electrodes. The plurality of strip electrodes are electrically connected to the connection electrode, and the connection electrode disconnects at one or more positions such that corresponding ends of one or more of the plurality of slits form openings at the one or more positions of the connection electrode.Type: GrantFiled: March 25, 2019Date of Patent: December 6, 2022Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Xiaoyuan Wang, Wu Wang, Yan Fang, Yajie Bai, Ruilin Bi
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Patent number: 11487168Abstract: A liquid crystal panel and a display device are disclosed. The liquid crystal panel includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a first base substrate, and a pixel electrode and a common electrode provided on the first base substrate. The second substrate is opposed to the first substrate and includes a second base substrate. The liquid crystal layer is provided between the first substrate and the second substrate in a direction perpendicular to the first base substrate. An initial alignment of liquid crystal in the liquid crystal layer is vertical alignment.Type: GrantFiled: January 13, 2020Date of Patent: November 1, 2022Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Meina Yu, Hyun Sic Choi, Pengxia Liang, Xiaochuan Chen, Zheng Fang, Xue Dong
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Patent number: 11474404Abstract: A display device including a pixel electrode disposed in an opening area; a common electrode of which at least a region is disposed to be overlapped with the pixel electrode; a gate line extending along a first direction in a non-opening area surrounding the opening area and transmitting a gate signal to the pixel electrode; a data line extending along a second direction different from the first direction in the non-opening area, and transmitting a data signal to the pixel electrode; and a dummy line disposed to be overlapped with the data line in the non-opening area and electrically connected to the common electrode.Type: GrantFiled: December 22, 2020Date of Patent: October 18, 2022Assignee: LG DISPLAY CO., LTD.Inventors: Jinuk Lee, Il Park
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Patent number: 11450547Abstract: A semiconductor device of an embodiment is manufactured by forming a first layer by applying a liquid containing silicon oxide particles onto a first substrate, performing a first heat treatment, forming a second layer including a first insulator on the upper surface and the side surfaces of the first layer, forming a third layer including an electronic circuit on the second layer, bonding a second substrate including a semiconductor circuit to the third layer, and separating the first substrate and the second substrate at the first layer.Type: GrantFiled: March 15, 2021Date of Patent: September 20, 2022Assignee: KIOXIA CORPORATIONInventor: Shinichi Nakao
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Patent number: 11450290Abstract: A pixel structure, a display panel and a display device are disclosed. The pixel structure includes: a first subpixel, including a first horizontal trunk line and a first domain line that form a first angle; and a second subpixel, including a second horizontal trunk line and a second domain line that form a second angle.Type: GrantFiled: October 22, 2018Date of Patent: September 20, 2022Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yanna Yang
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Patent number: 11424294Abstract: A display panel and a display device are disclosed. The display panel includes a plurality of sub-pixel units arranged in an array which includes N rows and 4M columns, sub-pixel units in each row is divided into a plurality of sub-pixel unit groups, and each sub-pixel unit group includes a first sub-pixel unit, a second sub-pixel unit, a third sub-pixel unit and a fourth sub-pixel unit which are sequentially in four adjacent columns along a first direction.Type: GrantFiled: September 10, 2019Date of Patent: August 23, 2022Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Can Yuan, Yongqian Li, Zhidong Yuan
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Patent number: 11415849Abstract: A display panel includes scanning lines, data lines, and pixel areas. A plurality of the scanning lines are parallelly disposed along a first direction of the display panel. A plurality of the data lines are parallelly disposed along a second direction of the display panel. Each pixel area is controlled by three adjacent data lines and two adjacent scanning lines to display. Each pixel area includes a base sub-pixel and a matching sub-pixel. The base sub-pixel includes three base unit pixels, and the scanning lines corresponding to each pixel area include a first scanning line and a second scanning line. The first scanning line is coupled with the three base unit pixels, and the second scanning line is coupled with the matching sub-pixel. The matching sub-pixel shares one data line with at least one base unit pixel.Type: GrantFiled: November 7, 2017Date of Patent: August 16, 2022Assignee: HKC CORPORATION LIMITEDInventor: Huai Liang He
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Patent number: 11404013Abstract: An electrophoretic display having a plurality of display pixels, each of the plurality of display pixels may include a pixel electrode for driving the display pixel, a single thin film transistor (TFT) coupled to the pixel electrode for transmitting waveforms to the pixel electrode, a front plane laminate (FPL) coupled to the single thin film transistor, and a storage capacitor coupled to the pixel electrode and placed in parallel with the FPL, where the storage capacitor is configured to be sufficiently ohmically conductive to allow the discharge of remnant voltages from the FPL through the storage capacitor.Type: GrantFiled: July 29, 2021Date of Patent: August 2, 2022Assignee: E Ink CorporationInventors: Pierre-Yves Emelie, Teck Ping Sim, Kenneth R. Crounse, Karl Raymond Amundson, Chih-Hsiang Ho, Aaron Chen
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Patent number: 11315957Abstract: A light emitting display apparatus is disclosed. The light emitting display apparatus includes: a substrate; and a plurality of pixels disposed on a pixel area on the substrate. Each of the plurality of pixels includes: a first circuit layer including a first pixel circuit including a driving transistor; a second circuit layer overlapping the first circuit layer, wherein the second circuit layer includes a second pixel circuit including a data supply transistor configured to supply a data signal to the first pixel circuit; a circuit insulating layer between the first circuit layer and the second circuit layer; and a light emitting diode layer including a light emitting diode electrically connected with the first pixel circuit.Type: GrantFiled: July 25, 2019Date of Patent: April 26, 2022Assignee: LG Display Co., Ltd.Inventors: Sul Lee, Dongwook Choi, Minki Kim
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Patent number: 11288999Abstract: Disclosed is a display device for increasing an aperture ratio of a transmissive part. The display device includes data lines overlapping with one or more of the pixels emitting light to display an image. Each pixel includes subpixels arranged within the pixel along a same direction as the data lines. The display device further includes transmissive parts arranged in the first direction and corresponding to adjacent pixels. In addition to the data lines overlapping the pixels, the display device may include power lines and reference voltage lines parallel with the data lines and overlapping with the pixels. The display device may include scan lines and sensing lines arranged to cross the transmissive parts and data lines. As a result, the number of lines crossing the transmissive parts is reduced, thereby increasing an aperture ratio of the transmissive parts.Type: GrantFiled: November 6, 2020Date of Patent: March 29, 2022Assignee: LG Display Co., Ltd.Inventors: Jeong Hyeon Choi, Binn Kim, Joon Soo Han
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Patent number: 11281035Abstract: An electronic device is provided. The electronic device includes a display including a sensor area in at least a part of the display, a sensor module disposed under the sensor area, and a processor operatively connected with the display and the sensor module. The display includes a screen area surrounding the sensor area. At least one pixel electrode included in the sensor area is disposed differently from pixel electrodes included in the screen area.Type: GrantFiled: April 23, 2020Date of Patent: March 22, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Songhee Jung, Silkyu Lim, Sungyoung Shin, Hyunchang Shin, Kwangtai Kim, Donghyun Yeom
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Patent number: 11252822Abstract: A flexible printed circuit (FPC) board includes a base film, a pair of traces and a chip. The pair of traces are disposed on the base film, and each trace has opposite first and second terminals. The chip is disposed on the base film and has pins that are respectively coupled to the first terminals of the traces. When the FPC board is bonded to a panel through the second terminals of the traces that are shorted to each other, the chip is configured to transmit a detection signal through one of the pins and receive a reception signal through the other of the pins, and to determine whether the FPC board works normally with the panel depending on the reception signal.Type: GrantFiled: November 16, 2020Date of Patent: February 15, 2022Assignee: Himax Technologies LimitedInventor: Hsuan-Ching Liu
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Patent number: 11238777Abstract: A display apparatus includes a plurality of pixels arranged in rows and columns with a plurality of gate lines extending in a first direction and connected to the pixels, and a plurality of data lines connected to the pixels. In the display apparatus, certain data lines disposed between pixels are arranged in a first row to an e-th row with such data lines including a plurality of column data lines extending in a second direction crossing the first direction and a plurality of row data lines extending in the first direction. The row data lines are electrically connected to the column data lines. The column data lines extend in the second direction between pixels arranged in the e-th row to an f-th row, where e and f are natural numbers and f is equal to or greater than e.Type: GrantFiled: July 24, 2020Date of Patent: February 1, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Il-joo Kim, Mukyung Jeon, Ansu Lee
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Patent number: 11227531Abstract: A display device includes: a substrate including a first pixel area, a second pixel area having a smaller area than the first pixel area and connected to the first pixel area, and a peripheral area surrounding the first pixel area and the second pixel area; a first pixel provided in the first pixel area and a second pixel provided in the second pixel area; a first line connected to the first pixel and a second line connected to the second pixel; a dummy part disposed in the peripheral area, overlapping at least one of the first line and the second line and providing a parasitic capacitance that compensates for a difference in a load value between the first line and the second line; and a power supply line provided in the first and second pixel areas. The dummy part includes an insulating layer having at least one contact hole.Type: GrantFiled: August 17, 2020Date of Patent: January 18, 2022Inventors: Yang Wan Kim, Su Jin Lee, Sun Ja Kwon, Byung Sun Kim, Hyun Ae Park, Hyung Jun Park, Jae Yong Lee, Yu Jin Jeon
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Patent number: 11215890Abstract: An array substrate is provided. The array substrate includes: a base substrate which is provided with a plurality of sub-pixel regions arranged in multiple rows and columns; a plurality of data lines located on the base substrate, each of the plurality of data lines corresponding to at least one of any column of the sub-pixel regions, any row of the sub-pixel regions including a plurality of sub-pixel region pairs, each of the plurality of sub-pixel region pairs including two adjacent sub-pixel regions, any two of the plurality of sub-pixel region pairs including different sub-pixel regions, and two data lines corresponding to the two sub-pixel regions being located at different sides of the two sub-pixel regions in a row direction; and a common electrode and a plurality of pixel electrodes located on the base substrate.Type: GrantFiled: November 15, 2019Date of Patent: January 4, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenhua Song, Bo Shi, Shaning Yan, Shiqi Chen, Limiao Wang
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Patent number: 11209712Abstract: To miniaturize an illumination device while meeting requirements of angle characteristics of a liquid crystal panel. A light source 31b is arranged above an outer end portion side of a liquid crystal panel 31d that is positioned radially outward of an illumination housing. A relative position between the liquid crystal panel 31d and the light source 31b is set such that light emitted from the light source 31b is incident within an effective angle range of the liquid crystal panel 31d.Type: GrantFiled: December 27, 2019Date of Patent: December 28, 2021Assignee: KEYENCE CORPORATIONInventor: Hajime Matsuda
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Patent number: 11195437Abstract: A flexible display device, which at least includes a plurality of bonding pins. A plurality of first bonding pins are disposed on an interlayer between a TFT array substrate and a color film substrate, and the plurality of the first bonding pins respectively extend to a first lateral surface of the TFT array substrate and a first lateral surface of the color film substrate; a plurality of second bonding pins are used for bonding with a first flexible circuit board and are partially disposed on a bottom surface of the TFT array substrate; and a plurality of third bonding pins are used for bonding with a second flexible circuit board and are partially disposed on an upper surface of the color film substrate.Type: GrantFiled: August 13, 2019Date of Patent: December 7, 2021Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventor: Yingbo Zheng
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Patent number: 11112659Abstract: An array substrate includes a display region and a wiring region. The wiring region includes a plurality of sets of signal line leads and a plurality of wiring regions, and a same set of signal line leads extends to a same bonding region disposed in the wiring region. The wiring region further includes at least one auxiliary wiring structure. Each auxiliary wiring structure is disposed between adjacent two sets of signal line leads and includes a peripheral closed wiring loop. Each peripheral closed wiring loop includes a plurality of corner portion, and a shape of at least one corner portion proximate to the display region is a curve.Type: GrantFiled: June 28, 2018Date of Patent: September 7, 2021Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guohua Wang, Wenming Ren, Fei Gao
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Patent number: 11106097Abstract: According to one embodiment, a liquid crystal display apparatus includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a gate wiring, a source wiring, an insulating film, a shield electrode, a primary pixel electrode, a peripheral wiring and a peripheral connecting electrode. The shield electrode is opposite to at least a portion of the gate wiring and the source wiring. The peripheral connecting electrode electrically connects the shield electrode and the peripheral wiring. The second substrate includes a pair of primary common electrodes.Type: GrantFiled: May 29, 2019Date of Patent: August 31, 2021Assignee: Japan Display Inc.Inventor: Yuji Sato
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Patent number: 11086172Abstract: A pixel unit, a display panel and a display device are provided. The pixel unit includes: a first sub-pixel, comprising a first sub-region and a second sub-region; and a second sub-pixel, disposed adjacent to the first sub-pixel and comprising a third sub-region and a fourth sub-region; wherein the first sub-region is disposed adjacent to the third sub-region, and the second sub-region is disposed adjacent to the fourth sub-region; wherein a divided voltage of the first sub-region is same as a divided voltage of the third sub-region; the divided voltage of the first sub-region, a divided voltage of the second sub-region and a divided voltage of the fourth sub-region are different from one another. The pixel unit of the embodiment is advantageous for improving the washout and color shift problem of a larger side view angle and improving the optical characteristics of the viewing angle.Type: GrantFiled: January 17, 2020Date of Patent: August 10, 2021Assignee: XIANYANG CAIHONG OPTOELECTRONICS TECHNOLOGY CO., LTDInventors: Zhuo Li, Boqin Cui
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Patent number: 11016331Abstract: A display panel includes an upper display substrate and a lower display substrate. The upper display substrate includes a base substrate, a first partition wall on the base substrate, overlapping the light blocking area, and configured to define first, second, and third internal regions corresponding to the first, second, and third pixel areas, a second partition wall extending from the first partition wall, overlapping at least one area of the first, second, and third pixel areas, and configured to partition a region corresponding to the at least one area into partial regions, and first, second, and third color control layers respectively located in the first, second, and third internal regions.Type: GrantFiled: August 13, 2019Date of Patent: May 25, 2021Assignee: Samsung Display Co., Ltd.Inventors: Chang-hun Lee, Min-jae Kim, Min-hee Kim, Taehoon Kim, Kyunghae Park, Joon-hyoung Park, Danbi Yang
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Patent number: 11003012Abstract: A liquid crystal display (LCD) device, comprising: a substrate, gate wiring including a gate line that is disposed on the substrate to extend in a first direction and a gate electrode that is connected to the gate line, a data conductor disposed on the gate wiring and including a data line that extends in a second direction different from the first direction, and a first electrode that overlaps the gate electrode, a common electrode disposed on the data conductor and including a first opening that partially exposes the first electrode therethrough, an opaque conductive pattern disposed on the common electrode; and a pixel electrode disposed on the opaque conductive pattern and electrically connected to the first electrode exposed through the first opening.Type: GrantFiled: April 2, 2019Date of Patent: May 11, 2021Inventors: Jeong Ho Lee, Dong Wook Kim, Su Jin Lee, Jean Ho Song
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Patent number: 10964771Abstract: A display panel including a substrate including a display area surrounding an opening area and a non-display area between the opening area and the display area; a plurality of display elements on the display area; a plurality of scan lines extending in a first direction and detouring around an edge of the opening area; a plurality of data lines extending in a second direction that intersects with the first direction, the plurality of data lines detouring around the edge of the opening area; and a plurality of emission control lines extending in the first direction and detouring around the edge of the opening area.Type: GrantFiled: May 30, 2019Date of Patent: March 30, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Minku Lee, Jihyun Ka, Kwangsae Lee
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Patent number: 10950170Abstract: A display panel, a driving method thereof, and a display device. The display method includes: upon displaying each frame, determining an initial gray scale value corresponding to each sub-pixel according to image data corresponding to the frame; controlling display brightness of the sub-pixels in the second display region and the third display region according to the initial gray scale values corresponding to the sub-pixels, and reducing a display brightness difference between the sub-pixels in the second display region and the sub-pixels in the third display region so as to enhance the brightness uniformity of the regions of a display panel.Type: GrantFiled: May 8, 2019Date of Patent: March 16, 2021Assignee: BOE Technology Group Co., LtdInventor: Zhenzhen Li
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Patent number: RE50155Abstract: In the case that a first scanning line having a smaller number of pixels to be driven than that of a second scanning line in a display device having a heteromorphic display region, capacitance is added to an extended scanning line in which the first scanning line extends to an outside of the display region. A large difference in RC delay between scanning lines generated by the number of pixels to be driven can be compensated for by adding the capacitance, so that luminance unevenness can be prevented to contribute to improvement of display quality.Type: GrantFiled: April 28, 2022Date of Patent: October 1, 2024Assignee: Trivale TechnologiesInventor: Shohei Yasuda