Having Connection Detail To External Circuit Patents (Class 349/149)
  • Patent number: 11963379
    Abstract: A display device includes: a display panel including a display region and a non-display region; a window member on the display panel; and an adhesive member between the display panel and the window member. The adhesive member includes: a first adhesion portion overlapping the display region, and a second adhesion portion extending from the first adhesion portion and overlapping the non-display region. The display panel includes: a substrate, a display element layer on the substrate and overlapping the display region, a driving chip on the substrate and overlapping the non-display region, and an encapsulation member on the display element layer. The driving chip is configured to provide a driving signal to the display element layer. The first adhesion portion connects the window member to the encapsulation member. The second adhesion portion connects the window member to the substrate and encloses the driving chip, but does not overlap the driving chip.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: April 16, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Euiyun Jang, Cheolgeun An, Wonjoon Choi, Jeongho Hwang
  • Patent number: 11961433
    Abstract: A detection structure, a display panel, a detection device and a detection system, the detection structure is located in display panel, and the detection structure includes test units and groups of first connecting lines; each of the test units includes chip bonding part, test pin parts located at chip bonding part, and groups of second connecting lines; in each test units, first end of each group in groups of second connecting lines is connected with test pin parts, and second end of each group of second connecting lines is connected with chip bonding part; in two adjacent test units in test units, two adjacent test pin parts are respectively connected with first end and second end of one group of first connecting lines; and when detection structure is used in lightening test, at least two test units arranged at intervals are configured for being electrically connected with detection device respectively.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: April 16, 2024
    Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xin Fang, Duosi Tang, Yang Yu, Wenchao Wang
  • Patent number: 11960179
    Abstract: A display device includes a protective film, a display panel, and a conductive film package. The protective film has a first area, a second area, and a third area positioned between the first area and the second area. The display panel is disposed in the first area and the third area on the protective film. The conductive film package is disposed on the display panel, and is in contact with the protective film positioned in the second area. In this manner, a defect of the substrate included in the display panel and a defective adhesion between the conductive film package and the display panel may be avoided.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: April 16, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventor: Cheolhwan Eom
  • Patent number: 11935900
    Abstract: A display panel and a manufacturing method of a display panel are provided. The display panel includes a display area and a non-display area disposed on one side of the display area. A driving chip and a fanout wiring area are disposed in the non-display area. A fanout line module is disposed in the fanout wiring area. The fanout line module includes a first wiring area and a second wiring area. A first signal line connecting the data line is disposed in the first wiring area. A second signal line connecting the gate line and another first signal line connecting the data line are disposed in the second wiring area.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: March 19, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Yingchun Zhao
  • Patent number: 11921381
    Abstract: A display device includes: a plurality of pixel electrodes arranged in the display region of a first substrate; a color filter provided on a second substrate opposing the first substrate and overlapping the pixel electrode; a planarization insulating layer provided on the color filter; a common electrode provided on the planarization insulating layer and having an opening; a spacer arranged between the pixel electrode and the common electrode; and a light-shielding layer provided between the first substrate and the pixel electrode and overlapping the spacer.
    Type: Grant
    Filed: March 10, 2023
    Date of Patent: March 5, 2024
    Assignee: Japan Display Inc.
    Inventor: Kenji Tanase
  • Patent number: 11921391
    Abstract: A display panel including a thin film transistor array substrate, a color filter substrate, a gold ball, a color resist bump, a first transparent electrode, and a second transparent electrode is provided. The first transparent electrode covers the color resist bump and is connected to the second transparent electrode at a top of the color resist bump. The display panel disclosed in the present invention improves stability of a common electrode signal by constructing a new electrode signal channel, and prevents a technical problem of horizontal crosstalk on the display panel.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: March 5, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Zhan Li
  • Patent number: 11911730
    Abstract: According to one embodiment, a liquid crystal display device includes an array substrate, a counter-substrate, a negative liquid crystal layer including liquid crystal molecules, a retardation film attached to a surface of the array substrate, a first polarizer attached to the retardation film and having a first absorption axis, a second polarizer attached to a surface of the counter-substrate, and having a second absorption axis which is parallel to a direction of initial alignment of the liquid crystal molecules and perpendicular to the first absorption axis, a cover member located opposite to the second polarizer, and ultraviolet curing resin which bonds the second polarizer and the cover member to each other.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: February 27, 2024
    Assignee: Japan Display Inc.
    Inventor: Keiji Tago
  • Patent number: 11908362
    Abstract: A display device includes first lead lines connecting the circuit signal lines with the driving integrated circuit, and second lead lines connecting the panel signal lines with the driving integrated circuit, wherein the second lead lines comprise a 2-1 sub-lead line configured to supply a scan-high voltage signal from the driving integrated circuit to the panel signal lines, and a 2-2 sub-lead line configured to supply a scan-low voltage signal from the driving integrated circuit to the panel signal lines, wherein the first lead lines comprises a 1-1 sub-lead line connected to the driving integrated circuit, a 1-1-1 sub-lead line separated from the 1-1 sub-lead line in a first direction, a 1-2 sub-lead line spaced apart from the 1-1 sub-lead line in a second direction intersecting the first direction, and a 1-2-1 sub-lead line spaced apart from the 1-2 sub-lead line in the second direction.
    Type: Grant
    Filed: November 14, 2022
    Date of Patent: February 20, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Cheol Hwan Eom, Hyung Jun An, Ji Phyo Hong, Jong Won Moon, Hyea Weon Shin
  • Patent number: 11910522
    Abstract: A flexible circuit board, a method for manufacturing the flexible circuit board, and a display device are provided. The flexible circuit board includes: a plurality of driving signal lines arranged with mutually insulate-gates, wherein the driving signal lines comprise at least two voltage signal lines arranged adjacent to each other; at least one isolation protecting line, the isolation protecting line being located between the two voltage signal lines arranged adjacent to each other.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: February 20, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tingting Wang, Qi Wang, Yan Yan
  • Patent number: 11908873
    Abstract: An active matrix substrate including a resin substrate including a plurality of external connection terminals arranged near a display region, the active matrix substrate includes: a plurality of first lead wires each extending from one of the external connection terminals to the display region; and a plurality of second lead wires each extending from one of the external connection terminals to a separation line, the second lead wires being arranged with an arrangement pitch along the separation line, and the arrangement pitch of the second lead wires being greater than an arrangement pitch of the first lead wires.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: February 20, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tohru Okabe, Ryosuke Gunji, Shinji Ichikawa, Shinsuke Saida, Shoji Okazaki, Tokuo Yoshida, Hiroki Taniyama, Kohji Ariga, Hiroharu Jinmura, Akira Inoue, Yoshihiro Nakada, Yoshihiro Kohara, Koji Tanimura
  • Patent number: 11908398
    Abstract: A display device includes: a display area; a non-display area around the display area; a substrate; and a first terminal in the non-display area on the substrate, the first terminal including: a plurality of first conductive patterns spaced apart from each other, an insulating layer covering each of the plurality of first conductive patterns, and a second conductive pattern on the insulating layer, covering the plurality of first conductive patterns, and including concave and convex portions on a surface thereof.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: February 20, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventor: Byoung Yong Kim
  • Patent number: 11900886
    Abstract: A display device comprises a first display area comprising stages, and gate input lines electrically connected to the stages and extending in a first direction, a second display area adjacent to the first display area in a second direction intersecting the first direction and comprising data lines, a third display area adjacent to the second display area in the second direction and comprising data lines, connection lines electrically connected to the data lines of the third display area via the second display area, and bypass lines electrically connected to the stages via the third display area and the second display area.
    Type: Grant
    Filed: January 5, 2023
    Date of Patent: February 13, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Kwun Son, Dong Hee Shin
  • Patent number: 11893936
    Abstract: A pixel driving circuit includes a driving sub-circuit, a signal writing sub-circuit, a compensation sub-circuit, a light-emitting control sub-circuit and an initialization sub-circuit. The signal writing sub-circuit is configured to write a voltage of a data signal terminal into the driving sub-circuit as a data voltage. The light-emitting control sub-circuit is configured to, in conjunction with the driving sub-circuit, drive a light-emitting device to emit light. The initialization sub-circuit is configured to transmit the voltage from the data signal terminal to the compensation sub-circuit as a reset voltage. The compensation sub-circuit is configured to transmit the reset voltage from the initialization sub-circuit to the driving sub-circuit to reset the driving sub-circuit.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: February 6, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhichong Wang, Fuqiang Li, Peng Liu, Jing Feng, Xinglong Luan
  • Patent number: 11894627
    Abstract: A display device includes a display panel including a plurality of panel pads, a connection board including a plurality of connection lines, and a circuit board including a plurality of board pads. The plurality of connection lines are spaced apart from each other. Each of a connection line among the plurality of connection lines includes: a first end portion at which the connection line is connected to the display panel, the first end portion being in direct contact with a panel pad, and a second end portion opposite to the first end portion and at which the connection line is connected to the circuit board, the second end portion being in contact with a board pad.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: February 6, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Myonghoon Roh
  • Patent number: 11887992
    Abstract: A substrate and a display device are provided. A first film layer of the substrate is formed on a third film layer and patterned to form a target pattern. A second film layer is formed on the third film layer and the first film layer. Within a distribution area of the target pattern, film edges of the first film layer are formed with protrusion structures facing the second film layer. Based on the protrusion structures, a deformable margin of the first film layer and the second film layer at a stacking position is increased, and a pattern of the second film layer is thus prevented from being cracked to generate cracks.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: January 30, 2024
    Assignee: TCL China Star Optoelectronics Technology Co., Ltd.
    Inventor: Yuanke Huang
  • Patent number: 11886082
    Abstract: The liquid crystal display panel includes a color filter substrate providing with a common electrode layer t; and an array substrate arranged in cell alignment with the color filter substrate and providing with a common electrode line, the array substrate includes a display area and a peripheral area including a plurality of connection areas located on the connection areas and arranged between the color filter substrate and the array substrate; at least one connection area includes a conductive sub-region and a detection sub-region, and the conductive members located on the conductive sub-region are respectively in contact with the common electrode line and the common electrode layer for conducting the common electrode line and the common electrode layer; and the conductive members located on the detection sub-region are respectively in contact with the common electrode layer and a detection pad for conducting the common electrode layer and the detection pad.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: January 30, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Xiaowu Sun, Wei Li
  • Patent number: 11877479
    Abstract: A method of fabricating a display panel may include forming an oxide semiconductor pattern on a base layer including a first region and a second region, etching first, second, and third insulating layers to form a first groove that overlaps the second region, forming electrodes on the third insulating layer, forming a fourth insulating layer on the third insulating layer to cover the electrodes, thermally treating the fourth insulating layer, forming an organic layer to cover the fourth insulating layer, and forming an organic light emitting diode on the organic layer.
    Type: Grant
    Filed: December 28, 2022
    Date of Patent: January 16, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyoungseok Son, Myounghwa Kim, Eoksu Kim, Taesang Kim, Masataka Kano
  • Patent number: 11869403
    Abstract: A display device comprises a display substrate, first interconnections, second interconnections, a driving circuit and a polarizing plate. The display substrate includes a bend portion which is curved with respect to an axis parallel to a first direction. The first interconnections extend in the first direction and are on the display substrate. The second interconnections are on the display substrate, connected to the first interconnections and extend in a second direction different from the first direction. The driving circuit is electrically connected to the first interconnections and the second interconnections and provides driving signals to the first interconnections and the second interconnections. The polarizing plate is on the display substrate and overlaps the first interconnections and the second interconnections.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: January 9, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Taehyeog Jung
  • Patent number: 11868013
    Abstract: A chip on film, a display panel, and a method of manufacturing the display panel are provided. The chip on film includes a flexible film and a driver chip. The flexible film includes at least a first group of lines and a second group of lines. M lines of the first group of lines are electrically connected to pins of the driver chip to form driver lines; and N lines of the second group of lines are not electrically connected to any pin of the driver chip, serving as nominal lines. By arranging the nominal lines, a conventional bonding machine may be applied to bond the chip on film to the display substrate. Costs for modifying the bonding machine may be reduced, and application scenarios of the chip on film may be increased.
    Type: Grant
    Filed: September 29, 2022
    Date of Patent: January 9, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Li Tang, Baohong Kang
  • Patent number: 11861128
    Abstract: A substrate assembly is provided, including a first substrate and a circuit substrate. The first substrate comprising an edge. An active element layer is disposed on the first substrate. A plurality of first electrodes are disposed on the first substrate and between the edge and an edge of the active element layer, and arranged along a first direction. At least one of the plurality of first electrodes is electrically connected to the active element layer, a first register mark is disposed on the first substrate. The circuit substrate is partially overlapping the first substrate in a vertical projection direction, a plurality of second electrodes is disposed on the circuit substrate.
    Type: Grant
    Filed: January 4, 2023
    Date of Patent: January 2, 2024
    Assignee: INNOLUX CORPORATION
    Inventors: Chia-Hsiung Chang, Yang-Chen Chen, Kuo-Chang Su, Hsia-Ching Chu
  • Patent number: 11862645
    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: January 12, 2021
    Date of Patent: January 2, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: So Young Lee, Dae-Hyun Noh, Hyun-Chol Bang, Sang Won Seo, Ju Hee Hyeon
  • Patent number: 11842703
    Abstract: The panel driving circuit includes a channel circuit, first pads, first switches, a second pad, and at least one second switch. The first pads are configured to be electrically connected to data lines of a cholesteric liquid crystal (CHLC) panel respectively. Each first switch has a first terminal electrically connected to the channel circuit, and a second terminal electrically connected to one of the first pads. Each second switch has a first terminal electrically connected to the second pad, and a second terminal electrically connected to the first pads. In a pixel charging period, the first switches are turned on, and the second switch is turned off. In a test period, the first switch is turned off, the second switch is turned on, and the second pad is configured to receive a measurement signal for measuring capacitance of pixels in the CHLC panel.
    Type: Grant
    Filed: November 9, 2022
    Date of Patent: December 12, 2023
    Assignee: HIMAX TECHNOLOGIES LIMITED
    Inventor: Han Wen Huang
  • Patent number: 11842001
    Abstract: A display device is provided and includes a first substrate comprising first and second areas, first and second terminals located in the first area, and first wiring electrically connects the first terminal with the second terminal; a second substrate comprising a detection electrode for sensing and a third terminal electrically connected to the detection electrode; and connecting member comprising a base layer, and a conductive member electrically connects first and third terminals, wherein the first area is an area in which the second substrate does not overlap the first substrate, the second area is an area in which the first substrate and the second substrate overlap each other, the connecting member does not extend outside first substrate, the conductive member is provided on an undersurface of the base layer, and the undersurface is opposed to the first surface and the third surface.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: December 12, 2023
    Assignee: Japan Display Inc.
    Inventors: Koji Noguchi, Masaki Murase, Yasushi Nakano, Koji Ishizaki
  • Patent number: 11839030
    Abstract: A flexible printed circuit board according to an embodiment includes: a substrate; and a circuit pattern disposed on the substrate, wherein the circuit pattern includes a plurality of first circuit patterns, a plurality of second circuit patterns, and a plurality of third circuit patterns, wherein the third circuit pattern includes a third-first pad portion, a third-second pad portion, and a third wiring portion connecting the third-first pad portion and the third-second pad portion, a plurality of fourth wiring portions are disposed between a plurality of third wiring portions, a line width of the third wiring portion is greater than a line width of the fourth wiring portion, and a distance between the third wiring portion and the fourth wiring portion adjacent to the third wiring portion is greater than a distance between the fourth wiring portions.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: December 5, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dae Sung Yoo, Jun Young Lim
  • Patent number: 11822392
    Abstract: The present disclosure relates to a display device including: a flexible substrate including an active area and a bezel area disposed outside the active area, the active area including a module area in which multiple holes are provided; a back plate disposed on one surface of the flexible substrate, and being provided with an opening disposed in a manner that corresponds to the module area; a thin-film transistor and wire formation layer disposed on another surface of the flexible substrate, and including multiple light-transmitting areas disposed in a manner that corresponds to the opening; and a module received within the opening of the back plate, wherein the module receives light from outside through the multiple light-transmitting areas, the multiple holes, and the opening.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: November 21, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Juyoung Bang, Jonghyun Park
  • Patent number: 11822203
    Abstract: A display panel and control methods thereof are provided. In one example, the display panel includes, a first substrate and a second substrate opposite to each other, and a solution encapsulated between the first substrate and the second substrate. In some examples, the solution includes opaque charged particles. In some examples, the first substrate includes a first electrode, the first electrode including a plurality of discrete sub-electrodes, and the second substrate includes a second electrode. Further, the control method may include adjusting an electric field between each of the plurality of discrete sub-electrodes and the second electrode, causing the opaque charged particles to undergo a gathering motion or a scattering motion.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: November 21, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qingqing Ma, Shuo Li, Chao Tian, Zhe Wang, Xiang Yuan, Wenyuan Xi, Yinan Gao, Rui Xu, Min Wang, Fang Zhang, Qidong Sun, Shaoru Zhang
  • Patent number: 11812558
    Abstract: A display device includes: a display panel; a circuit board, one end of the circuit board being connected to the display panel, and the circuit board being at least partially disposed on a back surface of the display panel and includes a device region on a side distal from the display panel; at least one electronic device disposed in the device region; and an adhesive tape disposed on a side, distal from the display panel, of the circuit board and bonded to a back surface of at least a part of the circuit board and the back surface of at least a part of the display panel. At least a part of the at least one electronic device in the device region is disposed between the adhesive tape and the back surface of the display panel.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: November 7, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Fan Li, Xiaolong Zhu, Hengzhen Liang
  • Patent number: 11810484
    Abstract: A spliced display including a transparent substrate, a plurality of micro (light-emitting diodes) LEDs, and a plurality of light sensors is provided. The transparent substrate has a display surface and a back surface opposite to each other. The driving backplanes are disposed on the back surface of the transparent substrate to be spliced with each other. The micro LEDs are disposed on the driving backplanes respectively and located between the micro LEDs and the transparent substrate. Each of the driving backplanes is corresponding to parts of the micro LEDs. The light sensors are disposed on the transparent substrate and located between the driving backplanes and the transparent substrate. Each of the light sensors is adjacent to at least two of the micro LEDs, and at least one of the at least two of the micro LEDs is adjacent to two of the light sensor.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: November 7, 2023
    Assignee: Industrial Technology Research Institute
    Inventors: Chia-Hsin Chao, Ming-Hsien Wu, Yen-Hsiang Fang, Po-Hsun Wang, Li-Chun Huang
  • Patent number: 11783738
    Abstract: A spliced display panel includes: a spliced substrate having first openings, spliced screen units disposed on a side of the spliced substrate, electronic devices disposed on a side of the spliced substrate away from the spliced screen units, and circuit components. The spliced screen units are divided into spliced screen unit groups, and each spliced screen unit group includes at least one spliced screen unit. A first opening corresponds to a spliced screen unit group, and exposes a part of a whole of the at least one spliced screen unit in the spliced screen unit group. A circuit component passes through one first opening, an end of the circuit component is electrically connected to a spliced screen unit, and another end thereof is electrically connected to at least one electronic device.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: October 10, 2023
    Assignees: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Gongtao Zhang, Haiwei Sun, Jian Sang, Yezhou Tan, Fang Wang, Shipeng Wang
  • Patent number: 11763734
    Abstract: A display panel and a display apparatus are provided. The display panel includes data lines located in a display region, and a power bus, connection traces, and a control circuit that are located in a non-display region. The connection trace at least partially overlaps with the power bus in a direction perpendicular to a plane of the display panel, and has a first area that is an overlapping area between the connection trace and the power bus. The control circuit includes control transistors. A first electrode and/or a second electrode of the control transistor is coupled to the connection trace. The control transistors include a first control transistor and a second control transistor. The connection trace coupled to the first control transistor and the connection trace coupled to the second control transistor have different first areas. Channel areas of the first control transistor and the second control transistor are different.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: September 19, 2023
    Assignees: WUHAN TIANMA MICROELECTRONICS CO., LTD., Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
    Inventors: Xingyao Zhou, Yana Gao, Wei Liu, Kang Yang, Jian Kuang
  • Patent number: 11763709
    Abstract: A display device includes a substrate having a display area and a non-display area. A plurality of pixels is disposed in the display area of the substrate. A plurality of data lines is connected to the plurality of pixels. A crack sensing line is connected to at least one of the plurality of data lines. The crack sensing line is disposed in the non-display area of the substrate. A dummy pattern layer is connected to the crack sensing line.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: September 19, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Kyu Lee, Seung Ji Cha, Tae Hoon Kwon
  • Patent number: 11762521
    Abstract: A display device including: a display panel; and an input sensor disposed on the display panel, wherein the input sensor includes: sensing electrodes; signal lines connected to the sensing electrodes; a first insulating layer; a second insulating layer disposed on the first insulating layer; and first, second and third test patterns having different stacking structures from each other, wherein the first test pattern include a first conductive pattern, a first insulating pattern overlapping the first conductive pattern, and a second insulating pattern overlapping the first insulating pattern, the second test pattern includes a third insulating pattern and a fourth insulating pattern overlapping the third insulating pattern, and the third test pattern includes a second conductive pattern.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: September 19, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Jin Yang, Hyunsik Park, Chungi You
  • Patent number: 11764230
    Abstract: An array substrate, a display panel, and a display device are provided. The array substrate has a display region and a non-display region, and the array substrate includes a substrate, a metal layer, an intermediate layer, a conductive film, and a conductive adhesive disposed in the non-display region. The metal layer is disposed on one side of the substrate, and the intermediate layer is disposed on one side of the metal layer away from the substrate. The array substrate defines a groove penetrating through the intermediate layer. The conductive film is disposed on one side of the intermediate layer away from the substrate and extends into the groove, and the conductive adhesive is disposed on one side of part of the conductive film in the groove away from the substrate, and at least extends to an edge of the groove adjacent to the display region.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: September 19, 2023
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Lian Zhang, Guoduo Chen, Haijiang Yuan
  • Patent number: 11754889
    Abstract: A display device includes a display panel, a circuit connection module, and a supporting block. The display panel has a first end and a bottom surface. The circuit connection module has a connecting end, a circuit bearing portion, and a bending section between the connecting end and the circuit bearing portion. The connecting end is connected to the display panel at the first end while the bending section bends to make the circuit bearing portion connect to the bottom surface near the first end. The supporting block is arranged with the circuit bearing portion in an extending direction of the first end, and are at least partially connected to the portion of the bottom surface near the first end.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: September 12, 2023
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Chia-Hao Wu, Han-Ping Kuo
  • Patent number: 11747684
    Abstract: A display panel includes a first substrate on which a conductive structure layer is formed. The conductive structure layer has a bonding area close to a side edge thereof, at least a part of the bonding area of the conductive structure layer protrudes from a first side edge of the first substrate, and is bent toward a side of the first substrate away from the conductive structure layer and fixed; an end surface of the first side edge of the first substrate is provided with a first protective strip, the first protective strip has a first smooth surface facing the conductive structure layer and smoothly connected with a side surface of the first substrate on which the conductive structure layer is formed, and a bent part of the conductive structure layer is attached to the first smooth surface.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: September 5, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Zhongbao Wu, Chuandong Liao, Ruoyu Ma, Haiwei Sun
  • Patent number: 11749660
    Abstract: The display panel includes: a plurality of first connection terminals, the first connection terminals being arranged into a first terminal row along a second direction, long edges of the first connection terminals being oriented along a first direction; and a plurality of second connection terminals, the second connection terminals being arranged into a second terminal row along the second direction, long edges of the second connection terminals being oriented along the second direction, the first terminal row and the second terminal row being arranged side by side along the first direction, the second direction not paralleling the first direction, the first connection terminals and the second connection terminals being connected respectively to different display rows or display columns within a display region of the display panel, and configured respectively to receive a drive signal driving display by the display panel.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: September 5, 2023
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventor: Weiguang Liu
  • Patent number: 11735597
    Abstract: An array substrate, includes: a substrate, three metal layers stacked on the substrate, and a plurality of signal line leads disposed in a peripheral area of the array substrate. The plurality of signal line leads are distributed in at least two of the three metal layers.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: August 22, 2023
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenlong Zhang, Xu Zhang, Wei Zhang, Jianfei Tian, Jingyi Xu, Shuai Han
  • Patent number: 11715742
    Abstract: A wiring structure and an electronic device including the wiring structure are provided. The wiring structure includes a plurality of wires, and each of the wires has a first portion and a second portion. The first portion and the second portion respectively have a first width W1 and a second width W2. The second width W2 is different from the first width W1. In addition, at least one of the wires satisfies an equation as follows: 0 ? ? "\[LeftBracketingBar]" AR ? 2 - AR ? 1 ? "\[RightBracketingBar]" < ? "\[LeftBracketingBar]" W ? 2 - W ? 1 ? "\[RightBracketingBar]" W ? 1 , wherein AR1 and AR2 are aperture ratios of the first portion and the second portion, respectively.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: August 1, 2023
    Assignee: Innolux Corporation
    Inventors: Luca Hung, Lavender Cheng
  • Patent number: 11705295
    Abstract: A keyboard includes a backlight module, a base plate, a membrane circuit disposed on the base plate, and a plurality of key structures disposed on the membrane circuit. The backlight module includes a light source, a reflective layer, a light guide layer, and a shielding layer. The light source is disposed corresponding to the light guide layer. The light guide layer is located between the shielding layer and the reflective layer. The light guide layer has a through-hole. The shielding layer and the reflective layer are in contact with each other in the through-hole of the light guide layer. The base plate is disposed on the shielding layer. The base plate has a positioning portion disposed corresponding to the through-hole of the light guide layer, which protrudes toward the reflective layer or the membrane circuit.
    Type: Grant
    Filed: March 15, 2022
    Date of Patent: July 18, 2023
    Assignee: Lite-On Technology Corporation
    Inventor: Yi-Wen Chen
  • Patent number: 11668984
    Abstract: A display device includes: a display panel including panel terminals; and a wiring substrate including first substrate terminals coupled to the panel terminals. The panel terminals include panel terminals arranged in a first region and panel terminals arranged in second regions sandwiching the first region. The first substrate terminals include first substrate terminals arranged in a third region and first substrate terminals arranged in fourth regions sandwiching the third region. A gap between panel terminals is substantially constant in the first and second regions. A first width of the panel terminals in the first region is different from a second width of the panel terminals in the second regions. A width of the first substrate terminals is substantially constant in the third and fourth regions. A first gap between first substrate terminals in the third region is different from a second gap between first substrate terminals in the fourth regions.
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: June 6, 2023
    Assignee: Japan Display Inc.
    Inventors: Hideaki Abe, Yasuhito Aruga, Hiroyuki Onodera, Hiroki Kato, Yasushi Nakano, Hitoshi Kawaguchi, Keisuke Asada
  • Patent number: 11670217
    Abstract: A display apparatus includes a plurality of display panels, a power voltage generator and a driving controller. The power voltage generator generates power voltages of the plurality of display panels. The driving controller receives the power voltages from feedback points of the plurality of display panels and generates a control signal and controls levels of the power voltages based on fed-back power voltages from the feedback points of the plurality of display panels. The power voltage generator adjusts the levels of the power voltages and generates compensation power voltages based on the control signal.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: June 6, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yunki Baek, Manseung Cho
  • Patent number: 11663954
    Abstract: A display device includes a substrate including a display area and a peripheral area disposed around the display area, a pad area disposed near an edge of the substrate, and a plurality of pads disposed in the pad area and arranged along the edge of the substrate. An end of a first pad, which is an outermost pad among the plurality of pads, is connected to a first end of a resistor. The first pad is disposed between the resistor and the edge of the substrate, and a second end of the resistor is connected to a wire.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: May 30, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young-Soo Yoon, Yun-Kyeong In, Su Kyoung Kim, Won Se Lee, Dong Hyeon Jang, Yu-Jin Jeon, Hyun Ji Cha
  • Patent number: 11653449
    Abstract: A flexible circuit film including a first flexible film, a second flexible film facing the first flexible film, and a plurality of wirings arranged between the first flexible film and the second flexible film. The wirings have different widths and bend in different directions, and a guide film including a material more rigid than the first and second flexible films is arranged on ends of the first flexible film. The guide film includes a tear-preventing portion overlapping with a bending portion of a shortest one of the wirings while covering portions of an inner edge near inner corners of a U-shaped flexible circuit film.
    Type: Grant
    Filed: September 16, 2022
    Date of Patent: May 16, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Ho Hwang, Jang Mi Lee
  • Patent number: 11650467
    Abstract: To prevent a phenomenon that an alignment film material is difficult to flow into the through-hole where a diameter of a through-hole for connecting between a pixel electrode and a source electrode is reduced. A liquid crystal display device comprising a TFT substrate having pixels each including a common electrode formed on an organic passivation film, an interlayer insulating film formed so as to cover the common electrode, a pixel electrode having a slit and formed on the interlayer insulating film, a through-hole formed in the organic passivation film and the interlayer insulating film, and a source electrode electrically conducted to the pixel electrode via the through-hole. A taper angle at a depth of D/2 of the through-hole is equal to or more than 50 degrees. The pixel electrode covers part of a side wall of the through-hole but does not cover the remaining part of the side wall of the through-hole.
    Type: Grant
    Filed: September 15, 2022
    Date of Patent: May 16, 2023
    Assignee: Japan Display Inc.
    Inventors: Yasushi Tomioka, Toshimasa Ishigaki, Hidehiro Sonoda, Sumito Ueta
  • Patent number: 11635844
    Abstract: A display device includes a display panel, and an electrostatic capacitive type touch panel which is formed in an overlapping manner with the display panel. A plurality of X electrodes and a plurality of Y electrodes intersecting with the X electrodes. A first signal line supplies signals to the X electrodes, a second signal line supplies signals to the Y electrodes, and the first signal line and the second signal line are formed on a flexible printed circuit board. A dummy electrode is formed adjacent to an electrode portion of each X electrode and electrode portion of each Y electrode, the dummy electrode does not overlap the X electrode and the Y electrode, and the dummy electrode does not electrically connect with the first and second signal lines.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: April 25, 2023
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventor: Shinya Hashimoto
  • Patent number: 11624954
    Abstract: A display device includes: a plurality of pixel electrodes arranged in the display region of a first substrate; a color filter provided on a second substrate opposing the first substrate and overlapping the pixel electrode; a planarization insulating layer provided on the color filter; a common electrode provided on the planarization insulating layer and having an opening; a spacer arranged between the pixel electrode and the common electrode; and a light-shielding layer provided between the first substrate and the pixel electrode and overlapping the spacer.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: April 11, 2023
    Assignee: Japan Display Inc.
    Inventor: Kenji Tanase
  • Patent number: 11612052
    Abstract: A circuit board for a display device includes: a signal line to transmit signal, a first metallic layer overlapping the signal line, a first conductive layer spaced apart from the first metallic layer, a base layer insulating the signal line from the first metallic layer and from the first conductive layer, and a first capacitor including a first terminal electrically coupled to the first metallic layer and a second terminal electrically coupled to the first conductive layer.
    Type: Grant
    Filed: April 25, 2021
    Date of Patent: March 21, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyo-Chul Lee, Ji-Won Kim, In Soo Wang
  • Patent number: 11604389
    Abstract: A flexible display apparatus including a flexible display panel, a driving chip and a hot-melt protective layer is provided. The flexible display panel has a display area and a bonding area located outside the display area. The driving chip is disposed on the bonding area of the flexible display panel via at least one flexible circuit board. The hot-melt protective layer is disposed on the display area and a portion of the flexible circuit board. The hot-melt protective layer locates on a top surface of the flexible display panel.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: March 14, 2023
    Assignee: E Ink Holdings Inc.
    Inventor: Lih-Hsiung Chan
  • Patent number: 11605697
    Abstract: A display apparatus includes a display panel having a display substrate on which a plurality of pad terminals is disposed, and a driving unit having a plurality of driving terminals electrically connected to the plurality of pad terminals. Each of the plurality of pad terminals includes a stepped groove that faces a corresponding driving terminal of the plurality of driving terminals or each of the plurality of pad terminals includes an opening hole that faces the corresponding driving terminal of the plurality of driving terminals.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: March 14, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byoungyong Kim, Seunghwa Ha, Seungsoo Ryu, Sanghyeon Song, Jeongdo Yang, Jungyun Jo, Jeongho Hwang
  • Patent number: 11599162
    Abstract: A display device including a lower substrate having a display area and a pad area, a display structure disposed in the display area of the lower substrate, pad electrodes disposed in the pad area of the lower substrate and spaced apart in a first direction, and a conductive film package including a base substrate disposed on the pad electrodes, and including a corner portion having a curved shape, bump electrodes disposed in a first portion of a bottom surface of the base substrate and overlapping the pad electrodes, metal patterns disposed in second portions of the bottom surface of the base substrate positioned at both sides of the first portion, a first film layer disposed between the base substrate and the lower substrate and overlapping the pad electrodes, a part of the bump electrodes, and the metal patterns, and conductive balls disposed inside the first film layer.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: March 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chung-Seok Lee, Hayoung Choi