Matrix Including Additional Element (s) Which Correct Or Compensate For Electrical Fault Patents (Class 349/54)
  • Patent number: 11402709
    Abstract: A repairing method for an array substrate is provided. The array substrate includes at least one defective signal line, which is a data line or a gate line having a breakpoint. The defective signal line is divided by the breakpoint into a first portion and a second portion. The repairing method includes disconnecting a connection between a first thin film transistor and a data line or a gate line to which the first thin film transistor is connected, the first thin film transistor being a thin film transistor closest to the breakpoint among thin film transistors connected to the first portion; electrically connecting a first terminal of the first thin film transistor to the first portion; and taking a common electrode line segment from a common electrode line to which the first pixel electrode corresponds as a repair line.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: August 2, 2022
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lang Hu, Yaohua Jiang, Yang Yu, Kaiqiang Li, Chaolei Wang, Nannan Rong, Yan Yang
  • Patent number: 11342397
    Abstract: An array substrate and a manufacturing method thereof are provided. The array substrate includes a flexible substrate, a plurality of thin film transistors, a plurality of replacement units, an organic filling layer, a source and drain layer, a planarization layer, an anode layer, and a pixel definition layer. The organic filling layer is made of a flexible material which has good bendability. Thus, a risk of breakage or crack during a bending process is reduced, thereby realizing a dynamic folding of the array substrate.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: May 24, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Quan Hu, Songshan Li
  • Patent number: 11308913
    Abstract: The present application provides a display driving circuit and display panel, including a drive, which includes a driving signal output terminal and an enable signal input terminal, the driving signal output terminal being electrically connected with a data line of the display panel; and a detector, which includes a detection signal input terminal and an enable signal output terminal, the detection signal input terminal is electrically connected with a gate signal terminal of a preset row of the display panel, and the enable signal output terminal is electrically connected with the enable signal input terminal of the drive; the detector is for detecting a gate signal of the preset row, and output a corresponding enable signal according to a detection result, and the drive is for outputting different driving signals according to different enable signals.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: April 19, 2022
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Mingliang Wang, Lidan Ye
  • Patent number: 11276353
    Abstract: A display device includes a display panel including a display and a non-display area, data lines, driving lines, power lines, and pixels connected to said lines being at the display area, a data driver for generating data signals supplied to the pixels, a power supply for generating a power signal supplied to the pixels, and a driving circuit at the non-display area and for generating driving signals supplied to the pixels, the driving circuit including stages for providing the driving signals to at least two of the driving lines, wherein data fan-out lines connected to the data driver are connected to the data lines, a power supply line connected to the power supply is connected to the power lines, and the driving circuit is connected to the driving lines, through a first connection line, a second connection line, a third connection line, and a fourth connection line.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: March 15, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junhyun Park, Bon-Yong Koo, Yu-Jin Lee
  • Patent number: 11270610
    Abstract: A display panel inspecting apparatus includes a first inspecting transistor including a control electrode for receiving a first test gate signal, an input electrode for receiving a first voltage and an output electrode connected to an outermost data line disposed in an outermost area of a display region of a display panel, a second inspecting transistor including a control electrode for receiving the first test gate signal, an input electrode for receiving a second voltage and an output electrode connected to a normal data line disposed out of the outermost area of the display region, and a third inspecting transistor including a control electrode for receiving the first test gate signal, an input electrode for receiving a third voltage and an output electrode connected to a module crack inspecting data line disposed out of the outermost area of the display region.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: March 8, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chan Wook Shim, Ji Ho Moon, In Cheol Song, Chang Gil Oh, Seong Keun Cho, Sae Mi Han
  • Patent number: 11264444
    Abstract: A display apparatus includes a base substrate. A first data line is disposed on the base substrate. A first insulating layer is disposed on both the data line and the base substrate. An amorphous silicon conductive layer is disposed on the first insulating layer. A second insulating layer is disposed on the amorphous silicon conductive layer. A second data line is disposed on the second insulating layer.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: March 1, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Injun Bae, Junhee Lee, Woori Seo
  • Patent number: 11264408
    Abstract: An array substrate includes a substrate, a barrier layer disposed on the substrate, a buffer layer disposed on the barrier layer, a first insulating layer disposed on the buffer layer, a second insulating layer disposed on the first insulating layer, a plurality of wiring patterns disposed between the first insulating layer and the second insulating layer and/or on the second insulating layer. In addition, the wiring patterns are separated from each other, and extend toward a side of the substrate. The array substrate further includes a recess pattern disposed adjacent the wiring patterns and recessed from a top surface of the second insulating layer to expose at least part of a top surface of the substrate, and an organic insulating layer disposed on the second insulating layer and exposing at least part of a portion of the top surface of the substrate which is exposed by the recess pattern.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: March 1, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Won Kyu Kwak
  • Patent number: 11257883
    Abstract: An organic light-emitting diode display may have thin-film transistor circuitry formed on a substrate. The display and substrate may have rounded corners. A pixel definition layer may be formed on the thin-film transistor circuitry. Openings in the pixel definition layer may be provided with emissive material overlapping respective anodes for organic light-emitting diodes. A cathode layer may cover the array of pixels. A ground power supply path may be used to distribute a ground voltage to the cathode layer. The ground power supply path may be formed from a metal layer that is shorted to the cathode layer using portions of a metal layer that forms anodes for the diodes, may be formed from a mesh shaped metal pattern, may have L-shaped path segments, may include laser-deposited metal on the cathode layer, and may have other structures that facilitate distribution of the ground power supply.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: February 22, 2022
    Assignee: Apple Inc.
    Inventors: Chin-Wei Lin, Stephen S. Poon, Warren S. Rieutort-Louis, Cheng-Ho Yu, ChoongHo Lee, Doh-Hyoung Lee, Ting-Kuo Chang, Tsung-Ting Tsai, Vasudha Gupta, Younggu Lee
  • Patent number: 11256308
    Abstract: A wiring substrate includes an insulating base that has a plate surface; a first circuit that is provided on the plate surface; a first terminal that is provided on the plate surface, and to which a mounting member is attached; a second terminal that is provided on the plate surface; a first wiring that connects the first circuit and the first terminal to each other; and a second wiring that connects the first terminal and the second terminal to each other, is electrically connected to the first wiring in the first terminal, and has a parallel section in which the second wiring is disposed close to and parallel to the first wiring without being electrically connected to the first wiring outside the first terminal.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: February 22, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Yohsuke Fujikawa
  • Patent number: 11251204
    Abstract: An array substrate includes: a base substrate; one or more first signal lines provided on the base substrate; a plurality of repair line sets also provided on the base substrate and configured to repair the first signal lines, each of the repair line sets comprising one or more repair lines which intersect with and are insulated from at least one of the first signal lines; and one or more second signal lines also provided on the base substrate, at least one of the one or more second signal lines having one end which is arranged to intersect with and be insulated from the one or more repair lines, and the other end which is connected to a driving circuit for supplying an electrical signal to the one or more first signal lines. The second signal line is different from the first signal line.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: February 15, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Chunping Long
  • Patent number: 11201311
    Abstract: An organic light emitting display device is disclosed, which comprises an anode electrode provided in a light emitting area on a substrate having a plurality of pixels, each pixel including a light emitting area and a transmissive area; an organic light emitting layer on the anode electrode; a cathode electrode on the organic light emitting layer; an auxiliary electrode connected with the cathode electrode; and a connection electrode connected with the anode electrode and provided in the transmissive area of the substrate.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: December 14, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Joonsuk Lee, SeJune Kim, JeongHyeon Choi
  • Patent number: 11088238
    Abstract: A display device includes a plurality of electrode pads which are arranged in a non-display region having a side line of a substrate; a circuit film which includes a plurality of output pads contacting the plurality of electrode pads and extending in a direction, and on which a driving IC is mounted; a plurality of test lines that extend in the direction from the side line; and a plurality of connection lines which connect the plurality of test lines to corresponding electrode pads, wherein each test line is located in a separate region between two output pads adjacent to both sides of each test line.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: August 10, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Woo-Sung Shim, Hyun-Soo Lim, Dong-Geun Bae, Young-Kyun Kim, Jeong-Hwan Park, Chang-Heon Kang, Kyeong-Taek Min
  • Patent number: 11075231
    Abstract: Provided is a display apparatus including a substrate and a semiconductor layer including first and second semiconductor layers. A first gate insulating layer is formed on the semiconductor layer. A first gate wiring overlapping the first semiconductor layer is formed on the first gate insulating layer. A second gate insulating layer is formed on the first gate wiring. A second gate wiring overlapping the second semiconductor layer is formed on the second gate insulating layer. A third gate insulating layer covers the second gate wiring. A driving voltage line intersecting the first and second gate wirings is formed on the third gate insulating layer. A data line intersecting the first and second gate wirings is formed on the third gate insulating layer. A short circuit protection area is formed between the first gate wiring, the second gate wiring, the driving voltage line and the data line.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: July 27, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyo Jin Kim, Won Kyu Lee, Seung Gyu Tae
  • Patent number: 11049925
    Abstract: A display device comprises a first electrode of a (1-1)-th subpixel, a first electrode of a (1-2)-th subpixel, a first electrode of a (2-1)-th subpixel, and a first electrode of a (2-2)-th subpixel; a (1-1)-th welding electrode connected to the first electrode of the (1-1)-th subpixel, a (1-2)-th welding electrode connected to the first electrode of the (1-2)-th subpixel, a (2-1)-th welding electrode connected to the first electrode of the (2-1)-th subpixel, and a (2-2)-th welding electrode connected to the first electrode of the (2-2)-th subpixel; and a first repair line overlapping the (1-1)-th welding electrode and the (2-1)-th welding electrode and a second repair line overlapping the (1-2)-th welding electrode and the (2-2)-th welding electrode, wherein the first repair line and the second repair line are disposed on different layers with at least one insulating layer interposed therebetween.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: June 29, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yoohwan Kim, Sungho Cho, Hyunjae Yoo
  • Patent number: 11048118
    Abstract: A display panel and a display device. The display panel includes a backlight module, a first polarizer, and a thin film transistor substrate, a liquid crystal layer, a color filter, and a second polarizer are sequentially stacked on the backlight module. A first via hole is defined in the backlight module, and a functional device is disposed in the first via hole. a plurality of first color resists are disposed on a side of the color filter adjacent to the liquid crystal layer, and a third via hole is defined in a portion of the plurality of first color resists corresponding to the first via hole, wherein third polarizers are disposed between the functional device and the color filter and correspond to the first via hole, and a polarization direction of the third polarizer is same as the polarization direction of the second polarizer.
    Type: Grant
    Filed: May 6, 2020
    Date of Patent: June 29, 2021
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Fancheng Liu
  • Patent number: 11016622
    Abstract: A display device includes: a first touch electrode; a first touch pad electrically connected to the first touch electrode by a touch wire; and a first dummy pad not connected to the touch wire, and disposed adjacent to the first touch pad, wherein a width of the first touch pad is greater than a width of the first dummy pad.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: May 25, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hyo-Sang Yang
  • Patent number: 11016353
    Abstract: A display apparatus includes thin-film transistors respectively provided for pixels arranged in a matrix form, one or more driving circuits provided at a side of one end of the display panel, a plurality of signal lines to each connect more than one of the plurality of thin-film transistors arranged in one line in the matrix form to the driving circuit, a plurality of spare lines formed to be connectable to any of the plurality of signal lines in an outer area of a display panel, and arranged separated from one another in an opposing region in the outer area, the opposing region being opposed to the driving circuits across the display area, and a metal pattern overlapping a first spare line and a second spare line with an insulating layer therebetween, so as to be connectable to the first spare line arranged in a first region and the second spare line arranged in a second region.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: May 25, 2021
    Assignee: Sakai Display Products Corporation
    Inventor: Hidetoshi Nakagawa
  • Patent number: 11017703
    Abstract: Disclosed are a method for manufacturing a display device, a method for repairing a display device, and a display device. The display device includes a display panel and a driver chip and the display panel includes: gate lines, and a first screen gate driver circuit and a second screen gate driver circuit that correspond to a same group of gate lines. Detecting whether the first screen gate driver circuit and the second screen gate driver circuit are normal; and when a detection result is “normal”, connecting the first screen gate driver circuit and/or the second screen gate driver circuit to the driver chip; or when a detection result is “damaged”, physically disconnecting the first screen gate driver circuit and/or the second screen gate driver circuit from the driver chip.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: May 25, 2021
    Assignee: HKC CORPORATION LIMITED
    Inventors: Feilin Ji, Wei Chen
  • Patent number: 10989971
    Abstract: An array substrate and a maintenance method therefor, and a display apparatus are provided. The array substrate includes: a plurality of data signal lines, wherein each of the data signal lines includes a plurality of data signal line sub-segments corresponding to a plurality of pixel units on a one-to-one basis, and each of the pixel units includes a light-shielding metal strip, wherein an orthographic projection of an input end of the data signal line sub-segment on a base substrate and an orthographic projection of the light-shielding metal strip on the base substrate have a first overlapping region used as a first maintenance site, and an orthographic projection of an output end of the data signal line sub-segment on the base substrate and an orthographic projection of the light-shielding metal strip on the base substrate have a second overlapping region used as a second maintenance site.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: April 27, 2021
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoyuan Wang, Ni Yang, Wu Wang, Kui Zhang, Yan Fang
  • Patent number: 10971070
    Abstract: The present disclosure provides a driver circuit and its working method and a display device. The driver circuit includes: a driver chip coupled with a plurality of signal lines; a plurality of signal line leads that are corresponding to the plurality of signal lines in a one-to-one manner; and a plurality of short-circuit shielding circuits that are corresponding to the plurality of signal line leads in a one-to-one manner. Each of the plurality of short-circuit shielding circuits is coupled between corresponding one of the plurality of signal line leads and corresponding one of the plurality of signal lines, and is configured to turn on or off a connection between the corresponding one of the plurality of signal line leads and the corresponding one of the plurality of signal lines.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: April 6, 2021
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lianbin Liu, Hengzhen Liang, Chuanyan Lan, Xu Lu, Hui Wen, Shihao Wang
  • Patent number: 10971058
    Abstract: A display apparatus includes pixels, each of which includes first and second pixel driver circuits, first and second driver pads electrically connected to the first and second pixel driver circuits, respectively, a first LED element, first and second connection lines electrically connected to the first and second pixel driver circuits, respectively, and first and second repair pads electrically connected to the first and second connection lines, respectively. A first electrode of the first LED element is electrically connected to the first driver pad. The first repair pad, the second repair pad, the first driver pad, and the second driver pad are structurally separated. A first pixel of the pixels further includes a second LED element overlapping the first and second repair pads of the first pixel, and a first electrode of the second LED element is electrically connected to the second repair pad.
    Type: Grant
    Filed: June 21, 2020
    Date of Patent: April 6, 2021
    Assignee: Au Optronics Corporation
    Inventors: He-Yi Cheng, Yu-Chieh Kuo, Shang-Jie Wu, Che-Chia Chang, Yi-Fan Chen, Yi-Jung Chen, Yu-Hsun Chiu, Mei-Yi Li, Hsin-Chun Huang
  • Patent number: 10928692
    Abstract: A thin film transistor substrate of reduced repaired line length and capacitance includes first repairing lines, data lines and second repairing lines insulated from each other. When one of the data lines is broken, the first repairing lines is electrically coupled to the input end of the broken data line, the second repairing line is electrically coupled to the output end of the broken data line, and the first repairing is electrically coupled to the second repairing line.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: February 23, 2021
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Ning Fang, Chih-Chung Liu, Meng-Chieh Tai
  • Patent number: 10928693
    Abstract: An array substrate, a repair method of the array substrate, a display panel and a display device are provided. The array substrate includes a base substrate, and a common electrode layer, a common electrode line mesh, a first metal layer and a second metal layer which are on the base substrate, and the common electrode line mesh is electrically connected with the common electrode layer. The first metal layer includes a first signal line extending along a first direction; the second metal layer includes a second signal line extending along a second direction and a plurality of repair connection portions; and each repair connection portion has a first overlap portion overlapping the first signal line and a second overlap portion overlapping the common electrode line mesh.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: February 23, 2021
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Lu Che, Qiangqiang Ji, Guoquan Liu, Qiang Zhou, Xiaomei Wei
  • Patent number: 10910409
    Abstract: A display device includes a substrate that includes a display area and a pad area, and a plurality of data pads that are provided on the pad area of the substrate and arranged along a first direction and a second direction, where the plurality of data pads includes a first data pad, a second data pad that is disposed adjacent to the first data pad along the first direction, a third data pad that is disposed adjacent to the first data pad along the second direction, and a fourth data pad that is disposed adjacent to the second data pad along the second direction, and the first data pad and the second connection wire are respectively disposed in different layers.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: February 2, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: So Young Lee, Dae-Hyun Noh, Hyun-Chol Bang, Sang Won Seo, Ju Hee Hyeon
  • Patent number: 10859884
    Abstract: The present application discloses a liquid crystal display panel and a liquid crystal display device, wherein the liquid crystal display panel comprises an array substrate, a sealed plastic frame, and a repair line including a connecting line located on a side of the sealed plastic frame facing away from the display region.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: December 8, 2020
    Assignee: HKC Corporation Limited
    Inventor: Beizhou Huang
  • Patent number: 10852608
    Abstract: A display panel includes an array substrate, a first pixel unit, a first data line, a common line, a first fanout line, and an opposite substrate. The array substrate includes a substrate including a first display region, a second display region, and a non-display region. The second display region includes a first side and a second side connected to the first side. The non-display region is adjacent connected to the first side. The first display region is adjacent connected to the second side. The first display region has a third side opposite to the second side. The third side is substantially aligned with an edge of the substrate. A first fanout line is disposed on the non-display region and connected to the first data line. The first fanout line has an end substantially aligned with the edge of the substrate.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: December 1, 2020
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Ping-Hung Shih, Meng-Ting Hsieh
  • Patent number: 10847099
    Abstract: Disclosed are an array substrate, a display panel and a display apparatus. Two adjacent pixel electrodes of the array substrate are spaced from each other by a data line, and a spare element strides across the data line and is connected with at least one pixel electrode in an insulated manner.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: November 24, 2020
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Zhongnian Liu
  • Patent number: 10679538
    Abstract: A haptic display device is disclosed. In one aspect, the device includes a plurality of scan lines disposed over a substrate and configured to transfer a scan signal and a plurality of data lines electrically insulated from the scan lines and configured to transfer a data signal, wherein the data lines cross the scan lines. The device also includes a plurality of haptic control lines electrically insulated from the scan lines or the data lines and configured to transfer a haptic signal and a thin film transistor electrically connected to the scan lines and the data lines, wherein the thin film transistor is formed in each of a plurality of pixels. The device further includes a first electrode electrically connected to the thin film transistor, a second electrode facing the first electrode and an optical adjustment member disposed between the first and second electrodes.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: June 9, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Seok Yeo, Yi-Joon Ahn
  • Patent number: 10622385
    Abstract: A display device includes a first substrate and a flexible circuit board. Data lines, scan lines, thin film transistors, gate contacts, and source contacts are disposed on the first substrate. The scan lines are intersected with the data lines. The thin film transistors are respectively connected to the data lines and the scan lines. The gate contacts are connected to the scan lines. The source contacts are connected to the data lines. The display device further includes first conductive patterns disposed on a side of the first substrate, and the first conductive patterns are connected to at least some of the gate contacts on the side of the first substrate. First pads of the flexible circuit board are connected to the first conductive patterns.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: April 14, 2020
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Hao-An Chuang, Wen-Fang Sung
  • Patent number: 10613401
    Abstract: The present disclosure provides an array substrate and a method for repairing broken lines thereof, and a display device. The array substrate includes: a base substrate; a plurality of gate lines and a plurality of data lines located on the base substrate, the plurality of gate lines intersecting with the plurality of data lines to define a plurality of pixel units arranged in an array; a thin film transistor and a pixel electrode located in each pixel unit; a plurality of extension sections connected to at least one of the gate lines; the pixel electrodes being in one-to-one correspondence with the plurality of extension sections, and an orthographic projection of each of the plurality of extension sections on the base substrate at least partially overlapping an orthographic projection of a corresponding pixel electrode on the base substrate.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: April 7, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Lei Han
  • Patent number: 10559598
    Abstract: A protective circuit includes a non-linear element which includes a gate electrode, a gate insulating layer covering the gate electrode, a first oxide semiconductor layer overlapping with the gate electrode over the gate insulating layer, and a first wiring layer and a second wiring layer whose end portions overlap with the gate electrode over the first oxide semiconductor layer and in which a conductive layer and a second oxide semiconductor layer are stacked. Over the gate insulating layer, oxide semiconductor layers with different properties are bonded to each other, whereby stable operation can be performed as compared with Schottky junction. Thus, the junction leakage can be reduced and the characteristics of the non-linear element can be improved.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: February 11, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Kengo Akimoto, Shigeki Komori, Hideki Uochi, Tomoya Futamura, Takahiro Kasahara
  • Patent number: 10541296
    Abstract: A display device for increasing a repair success rate by easily cutting signal lines in a repair process of subpixels and preventing a short circuit of the signal lines is disclosed. The display device includes subpixels positioned on a first substrate, each subpixel including an emission area, in which a light emitting element is disposed, and a circuit area in which a circuit for driving the light emitting element is disposed, and a first power connection line, a sensing connection line, and at least one gate line positioned in the circuit area and connected to the subpixels. A number of stacked layers of a portion of at least one of the first power connection line and the sensing connection line is less than a number of stacked layers of the gate line.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: January 21, 2020
    Assignee: LG Display Co., Ltd.
    Inventor: Heedong Choi
  • Patent number: 10522063
    Abstract: In a display period, a display device applies a voltage of a level for turning a state of an inspection switching element to an OFF state to a gate electrode of the inspection switching element. Moreover, in a vertical blanking period while a state of a switching element is the OFF state, the display device performs voltage application processing for applying a voltage, which indicates an ON level, or a voltage, which indicates a level between the ON level and an OFF level, to the gate electrode of the switching element.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: December 31, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventor: Manabu Tanahara
  • Patent number: 10503030
    Abstract: A pixel structure includes a substrate, a scan line disposed on the substrate, and a common electrode and a data line both disposed on a side of the pixel electrode. The substrate includes a sub pixel, which includes a pixel electrode and an active element. The common electrode includes a first connection segment connecting a first segment and a second segment. The data line includes a second connection segment connecting a first section and a second section. The first segment and the second segment, as well as the first section and the second section, extend in a first direction and are alternately arranged in a second direction. The first direction intersects with the second direction. The first connection segment mutually intersects with the second connection segment. The pixel electrode overlaps with a part of the common electrode and a part of the data line in a perpendicular projection direction.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: December 10, 2019
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Wei-Hsun Liu, Kuei-Bai Chen
  • Patent number: 10497721
    Abstract: An array substrate, a manufacturing method and a maintenance method thereof, and a display device. The array substrate includes a base substrate, a signal line layer, a color filter layer, and a common line layer. The signal line layer includes multiple signal lines. The common line layer includes a plurality of first common lines and second common lines. An orthographic projection of each signal line on the base substrate is substantially parallel to an orthographic projection of each second common line on the base substrate. An orthographic projection of each signal line on the base substrate and orthographic projections of the plurality of first common lines on the base substrate have overlapping areas. A via hole penetrates the color filter layer, and an orthographic projection of the via hole on the base substrate at least partially overlaps the overlapping area.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: December 3, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shiju Zhang, Guoquan Liu
  • Patent number: 10497309
    Abstract: An organic light emitting diode (OLED) display includes a substrate, OLEDs disposed on the substrate and separated from each other, pixel circuits, data lines extending in a first direction on the substrate and separated from each other in a second direction crossing the first direction, connecting lines neighboring the data lines and extending in the first direction, and a wire directly connecting one portion of one of the data lines to one portion of one of the connecting lines neighboring the one data line. Each pixel circuit includes a plurality of thin film transistors and each pixel circuit is connected to one of the OLEDs. The data lines and the connecting lines are connected to the pixel circuits, and one or more surfaces of the one portion of the one data line and the one portion of the one connecting line that contact the wire are curved.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: December 3, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Gon Kim, Yong Chul Kim, Suk Jin Lee, Eun Mi Jeong
  • Patent number: 10373962
    Abstract: A semiconductor device includes: active regions arranged in a first grid oriented parallel to a first direction; and gate electrodes arranged spaced apart in a second grid and overlying corresponding ones of the active regions, the second grid being oriented parallel to a second direction, the second direction being orthogonal to the first direction. The first gaps are interspersed between neighboring ones of the active regions. For a flyover intersection at which a corresponding gate electrode crosses over a corresponding active region and for which the gate electrode is not functionally connected to the corresponding active region, the gate electrode does not extend substantially beyond the corresponding active region and so does not extend substantially into the corresponding gap.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: August 6, 2019
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yu-Jen Chen, Wen-Hsi Lee, Ling-Sung Wang, I-Shan Huang, Chan-yu Hung
  • Patent number: 10359674
    Abstract: A liquid crystal display device is configured to prevent the appearance on its display of a black stain stemming from a drop in volume resistivity of liquid crystal caused by ions therein. The device includes a thin-film transistor (TFT) substrate and a counter substrate bonded together along the periphery thereof by a seal material. The TFT substrate and the counter substrate have liquid crystal sandwiched therebetween and include a display region. A third electrode is formed outside the display region of the TFT substrate. A concave portion is formed in an organic insulation film on the liquid crystal side of the third electrode.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: July 23, 2019
    Assignee: Japan Display Inc.
    Inventor: Genki Asozu
  • Patent number: 10310345
    Abstract: Disclosed are an in-cell touch liquid crystal display (LCD) device based on a twisted nematic (TN) mode, a method of manufacturing the same, a method of manufacturing a thin film transistor (TFT) array substrate, and a method of manufacturing a color filter array substrate. The TFT array substrate includes a TFT disposed in a pixel area defined by an intersecting gate line and data line, a conductive line disposed on the TFT, and a transparent conductive layer in electrical contact with the conductive line. The color filter array substrate includes a light shield layer, a color filter, an overcoat layer covering the light shield layer and the color filter, a column spacer disposed on the overcoat layer, and a common electrode disposed on the overcoat layer and the column spacer, where the conductive line supplies the common electrode with a common voltage or a touch driving signal.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: June 4, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Yong Chan Park, Jin Seong Kim, Seung Kyeom Kim
  • Patent number: 10304855
    Abstract: A display panel, a touch display device and a wire structure are provided. The display panel includes a substrate and at least one wire structure. The wire structure is disposed on the substrate. The wire structure includes a metal layer and a passivated layer. A material of the metal layer includes an alloy of Nickel, Copper and Titanium. The passivated layer at least covers a part of a surface of the metal layer. A material of the passivated layer includes Nickel oxide and Titanium oxide.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: May 28, 2019
    Assignee: INNOLUX CORPORATION
    Inventor: Huei-Ying Chen
  • Patent number: 10256258
    Abstract: A pixel structure and a fabrication method thereof are provided, and the fabrication method includes steps as follows. A gate and a scan line connected to the gate electrode are formed on a substrate. An insulation layer is formed on the substrate and is patterned to form an opening corresponding to the gate electrode. A gate insulation layer is formed to cover the gate electrode and the scan line. A channel layer is formed on the gate insulation layer and is located in the opening. A first ohmic contact layer and a second ohmic contact layer are formed on the channel layer and are located in the opening. A source electrode, a drain electrode and a data line connected to the source electrode are formed on the first ohmic contact layer and the second ohmic contact layer. A first electrode is formed and is electrically connected to the drain electrode.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: April 9, 2019
    Assignee: AU OPTRONICS CORPORATION
    Inventor: Chi-Ho Chang
  • Patent number: 10247993
    Abstract: A display panel, a display device and a method for repairing a disconnected line. The display panel comprises a lower substrate and a repair circuit. The lower substrate comprises data lines. The repair circuit comprises a proximal repair circuit, a distal repair circuit and an amplifier circuit. An input terminal of the amplifier circuit is electrically connect to a signal input terminal of a disconnected data line, and an output terminal of the amplifier circuit is electrically connect to a terminal of the proximal repair circuit and a terminal of the distal repair circuit respectively; another terminal of the proximal repair circuit is connect to a terminal of the disconnected data line that is close to the signal input terminal, and another terminal of the distal repair circuit is connect to a terminal of the disconnected data line that is away from the signal input terminal.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: April 2, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO, LTD.
    Inventors: Lisheng Liang, Lijun Xiao, Shuai Hou, Yih jen Hsu, Fei Shang, Hai jun Qiu, Bo Xu, Siqing Fu, Xianyong Gao, Shuai Chen
  • Patent number: 10222666
    Abstract: The present disclosure discloses an array substrate, a display apparatus and a method for repairing faults of an array substrate, which belong to the field of display technologies. The array substrate comprises: a plurality of touch electrode lines, a plurality of data lines and a plurality of repair lines, wherein the plurality of touch electrode lines are intersected with and insulated from the plurality of data lines and the plurality of repair lines, and a repair line is parallel to a data line. The repair line is connected to parts on both sides of a disconnected position of the data line when the data line is disconnected. In embodiments of the present disclosure, when a data line in the array substrate is disconnected, the disconnected data line may be replaced by a repair line, thereby achieving repairing the disconnected data line and ensuring a display quality and a touch function of a display device.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: March 5, 2019
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Display Technology Co., Ltd.
    Inventors: Qi Sang, Bo Feng
  • Patent number: 10090369
    Abstract: An organic light emitting diode display including a first connection line connected to an organic light emitting diode; a repair line intersecting the first connection line, the repair line being insulated from the first connection line; and a first welding part that is integrally formed with the first connection line or the repair line, the first welding part being aligned with an intersecting portion of the repair line and the first connecting line, and having a closed loop shape in plan view.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: October 2, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hwa-Jeong Kim, Chi Wook An
  • Patent number: 10068813
    Abstract: According to the present disclosure, there is disclosed an array substrate, a liquid crystal display panel and a broken-line repairing method thereof. The array substrate comprises: signal lines, which includes a plurality of gate lines and a plurality of data lines intersecting with each other; and a plurality of pixel units defined by the gate lines and the data lines, wherein a thin film transistor, a common electrode and a pixel electrode, which is connected to a drain of the thin film transistor, are formed in each of the pixel units, for each of the pixel units, at the positions of two corners which are adjacent to one of the data lines, a first repair area and a second repair area are formed, respectively; within the first repair area and the second repair area, patterns of the pixel electrode and the data line overlap, and there is no pattern of the common electrode.
    Type: Grant
    Filed: August 1, 2012
    Date of Patent: September 4, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Song Wu
  • Patent number: 10067392
    Abstract: A display device according to one aspect of the present invention includes a first substrate including a thin film transistor, a second substrate including a common electrode, an organic insulating layer arranged on the first substrate so as to overlap with the thin film transistor, and projecting from the first substrate toward the second substrate, and a conductive light shielding layer covering an upper surface and a side surface of the organic insulating layer, and electrically coupled with the common electrode, wherein the organic insulating layer and the light shielding layer hold a gap between the first substrate and the second substrate.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: September 4, 2018
    Assignee: Japan Display Inc.
    Inventors: Hideki Kaneko, Kentaro Okuyama, Hiroshi Inamura, Hiroki Sugiyama, Manabu Mizuno
  • Patent number: 9996192
    Abstract: An array substrate, a touch line repairing method as well as a display panel are provided. The array substrate includes a plurality of touch electrodes, a plurality of touch lines, a first repairing line, a second repairing line and at least one third repairing line. The touch lines and the touch electrodes are in one-to-one correspondence and are electrically connected. The first repairing line and the second repairing line are arranged in the same layer, and are not arranged in the same layer with the touch lines. The first repairing line and the second repairing line intersect each touch line. The at least one third repairing line is arranged in the same layer with the touch lines, and intersects the first repairing line and the second repairing line. The repairing lines can be used for repairing the disconnected touch lines, so that the production yield is enhanced.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: June 12, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Feng Lu, Songlin Jin
  • Patent number: 9966554
    Abstract: An organic light emitting display device is disclosed, which comprises an anode electrode provided in a light emitting area on a substrate having a plurality of pixels, each pixel including a light emitting area and a transmissive area; an organic light emitting layer on the anode electrode; a cathode electrode on the organic light emitting layer; an auxiliary electrode connected with the cathode electrode; and a connection electrode connected with the anode electrode and provided in the transmissive area of the substrate.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: May 8, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Joonsuk Lee, SeJune Kim, JeongHyeon Choi
  • Patent number: 9941305
    Abstract: A pixel structure and a fabrication method thereof are provided, and the fabrication method includes steps as follows. A gate and a scan line connected to the gate electrode are formed on a substrate. An insulation layer is formed on the substrate and is patterned to form an opening corresponding to the gate electrode. A gate insulation layer is formed to cover the gate electrode and the scan line. A channel layer is formed on the gate insulation layer and is located in the opening. A first ohmic contact layer and a second ohmic contact layer are formed on the channel layer and are located in the opening. A source electrode, a drain electrode and a data line connected to the source electrode are formed on the first ohmic contact layer and the second ohmic contact layer. A first electrode is formed and is electrically connected to the drain electrode.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: April 10, 2018
    Assignee: AU OPTRONICS CORPORATION
    Inventor: Chi-Ho Chang
  • Patent number: 9824643
    Abstract: Embodiments of the present invention provides an array substrate, a pixel driving method, and a display device, and the array substrate is provided with a first pixel unit set used to display a first image, and pixel units in the first pixel unit set are coupled to a first gate line set in the plurality of gate lines; a second pixel unit set configured to display a second image, and pixel units in the second pixel unit set are coupled to a second gate line set in the plurality of gate lines; the pixel units in the first pixel unit set and the pixel units in the second pixel unit set are alternately provided.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: November 21, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Chulgyu Jung