Patents Examined by Stacy Khoo
  • Patent number: 12039936
    Abstract: A display panel includes: a substrate including a display area and a peripheral area; a plurality of pixels arranged in the display area; a pad portion arranged in the peripheral area and including a first clock pad, a plurality of first scan pads, and a plurality of data pads; a first scan driving circuit including a plurality of first stages; a plurality of scan lines including a plurality of first scan lines respectively connected to the plurality of first scan pads, and a plurality of second scan lines respectively connected to the plurality of first stages; and a plurality of data lines respectively extending in a second direction and connected to corresponding data pads among the plurality of data pads and pixels.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: July 16, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Dohyun Kang
  • Patent number: 12033995
    Abstract: A display module, including a plurality of pixels, includes: a first substrate; a plurality of micro pixel packages provided on an upper surface of the first substrate; and a driver integrated circuit (IC) configured to transmit a driving signal to the plurality of micro pixel packages. Each of the plurality of micro pixel packages includes a second substrate; a plurality of inorganic light emitting devices provided on an upper surface of the second substrate; and a micro pixel controller provided on a lower surface of the second substrate, the micro pixel controller being configured to control the plurality of inorganic light emitting devices.
    Type: Grant
    Filed: April 14, 2023
    Date of Patent: July 9, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Changkyu Chung, Gyun Heo, Tackmo Lee, Kyungwoon Jang, Soonmin Hong, Daesuck Hwang
  • Patent number: 12022709
    Abstract: An array substrate is provided. The array substrate includes a respective first anode electrically connected to a respective first light emitting element in a respective first subpixel; a respective second anode electrically connected to a respective second light emitting element in a respective second subpixel; a respective third anode electrically connected to a respective third light emitting element in a respective third subpixel; and a respective fourth anode electrically connected to a respective fourth light emitting element in a respective fourth subpixel. An orthographic projection of the respective third anode on a base substrate substantially covers an orthographic projection of the first initialization connecting line on the base substrate, and covers an orthographic projection of at least portion of the respective third voltage supply line on the base substrate.
    Type: Grant
    Filed: September 15, 2023
    Date of Patent: June 25, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jie Dai, Tinghua Shang, Yi Zhang, Tingliang Liu, Siyu Wang, Huijuan Yang
  • Patent number: 12002422
    Abstract: A display substrate and a display device. The display substrate includes a base substrate and a plurality of sub-pixels, a first power line and an electrical connection layer on the base substrate. Each sub-pixel includes a pixel circuit, and a plurality of sub-pixels are arranged in a plurality of rows and a plurality of columns along a first direction and a second direction. The sub-pixel is electrically connected with the light-emitting element through the electrical connection layer, and the portion, which is in the display region of the display substrate, of the electrical connection layer is not overlapped with the first power line in a direction perpendicular to the base substrate.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: June 4, 2024
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongfei Cheng, Xueguang Hao, Hui Li, Chen Xu, Pan Li
  • Patent number: 11990094
    Abstract: The pixel driving circuit includes a first switching transistor connected to a first control line, a reference power line, and a first node, a second switching transistor connected to a scan line, a data line, and the first node; a driving transistor connected to the first node, a driving power line, and a second node; a first capacitor connected to the first node and a third node; a second capacitor connected to the third node and a cathode of a organic light-emitting diode; a third switching transistor connected to the third node, the second node, and a second control line; and a fourth switching transistor connected to the second node, an anode of the organic light-emitting diode, and a third control line.
    Type: Grant
    Filed: June 12, 2023
    Date of Patent: May 21, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Tao Fan, Zhenghui Yuan, Yun Wang, Guanqun Li, Baohong Kang
  • Patent number: 11978378
    Abstract: A display panel includes a first set of pixels that each include a respective red sub-pixel and a respective green sub-pixel and a second set of pixels that each include a respective blue sub-pixel and a respective green sub-pixel, where the first set of pixels and the second set of pixels are arranged on the display panel such that at least one side of each of the pixels in the first set of pixels is adjacent to at least one of the pixels in the second set of pixels, at least one side of each of the pixels in the first set of pixels is not adjacent to any pixel, and the green sub-pixels are arranged on the display panel such that the green sub-pixels are evenly distributed in the display panel.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: May 7, 2024
    Assignee: Google LLC
    Inventors: David Morris Hoffman, Sangmoo Choi, Sun-il Chang, Ion Bita
  • Patent number: 11974474
    Abstract: An organic light-emitting display apparatus includes an organic light-emitting diode, a driving transistor configured to control an amount of electric current flowing to the organic light-emitting diode from a power line, a compensation transistor configured to diode-connect the driving transistor in response to a voltage applied to first and second compensation gate electrodes of the compensation transistor, and a gate insulating layer between the compensation gate electrodes and a compensation active region of a compensation transistor. A layer structure of the gate insulating layer between the first compensation gate electrode and the compensation active region is different from a layer structure of the gate insulating layer between the second compensation gate electrode and the compensation active region.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: April 30, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jaehwan Chu, Keunwoo Kim, Taewook Kang, Doona Kim, Sangsub Kim, Bummo Sung, Dokyeong Lee, Yongsu Lee
  • Patent number: 11968865
    Abstract: A display substrate and a display device are provided. The display substrate includes a display region, at least one first signal line, and at least one connecting wire. The display region includes a first display region and a second display region; the first display region includes at least one first light emitting element, and the second display region includes at least one first pixel circuit; the first signal line includes a first main body portion and a first winding portion; the first main body portion extends along a first direction, and at least part of the first winding portion extends along a direction intersecting with the first direction; at least one first signal line is electrically connected to at least one first pixel circuit; and at least one first pixel circuit is configured to respectively drive at least one first light emitting element.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: April 23, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weiyun Huang, Yao Huang, Chi Yu, Xingliang Xiao, Bo Shi, Benlian Wang
  • Patent number: 11967282
    Abstract: A display panel and a display device, related to the field of display technology. The display panel includes a first sub-pixel, a first pixel circuit, a second sub-pixel and a second pixel circuit. The first sub-pixel and the second sub-pixel have the same luminous color. When the display panel is configured to display a same frame of image, the first sub-pixel is driven by the first pixel circuit to emit light, or the second sub-pixel is driven by the second pixel circuit to emit light. In this case, when multiple frames of images are continuously displayed by the display panel, the first sub-pixel and the second sub-pixel can emit light alternately, such that the service life of the display panel can be prolonged, and the performance and competitiveness of the product can be improved.
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: April 23, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Liao Xu, Baohong Kang
  • Patent number: 11967283
    Abstract: A pixel drive circuit, including a data input circuit, an energy storage circuit, a light-emitting control circuit, a first switch circuit, a second switch circuit and a third switch circuit. An end of the first switch circuit is connected with a control end of the light-emitting control circuit, and another end of the first switch circuit is connected with an input of the light-emitting control circuit that is connected to a power supply. An end of the second switch circuit is connected with an output of the data input circuit, and another end of the second switch circuit is grounded, and an output of the light-emitting control circuit is connected to an anode of a light-emitting device. The first switch circuit and the second switch circuit are switched on in a reset phase, and the third switch circuit is switched on in a light-emitting phase.
    Type: Grant
    Filed: July 26, 2023
    Date of Patent: April 23, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Renjie Zhou, Haoxuan Zheng
  • Patent number: 11967285
    Abstract: A display panel includes sub-pixels and set voltage generation circuit(s); each sub-pixel includes a pixel driving circuit and a first light-emitting device, the pixel driving circuit includes at least a driving transistor and a sensing transistor, a first electrode of the sensing transistor is electrically connected to a sensing signal terminal; an output terminal of a set voltage generation circuit is electrically connected to a sensing signal terminal of at least one sub-pixel; the set voltage generation circuit is configured to generate a set voltage signal and transmit it to a sensing transistor of the at least one sub-pixel and a second electrode of a driving transistor of the at least one sub-pixel in a sensing period; and a voltage of the set voltage signal is substantially equal to a voltage of the second electrode of the driving transistor of the at least one sub-pixel in the driving period.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: April 23, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xinshe Yin, Xinbin Han, Hualing Yang
  • Patent number: 11961469
    Abstract: A display module, a display drive circuit, and an electronic device. The display module includes a display and at least one driver group. The display includes M rows of sub-pixels arranged in a matrix form. Each sub-pixel includes a driving transistor, a first reset transistor, a first capacitor, and a light emitting device. Each driver group includes M selecting circuits. The Nth selecting circuit is coupled to a second node of a first reset transistor in the Nth row of sub-pixels. The selecting circuit is configured to output a second initial voltage Vint2 to the second node, and is configured to output a first initial voltage Vint1 to the second node, where |Vint2|>|Vint1|.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: April 16, 2024
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Chun Yen Liu, Dustin Yuk Lun Wai, Chiaching Chu
  • Patent number: 11955075
    Abstract: An array substrate has a display area and a non-display area including a first bonding region. The array substrate includes: a plurality of pixel columns disposed in the display area, each of the plurality of pixel columns including a plurality of light-emitting units that are arranged in a second direction, the second direction being perpendicular to a direction in which an edge of the display area proximate to the first bonding region extends; and at least three first power supply input terminals disposed in the first bonding region, each first power supply input terminal being connected to at least one pixel column of the plurality of pixel columns, so as to provide a first power supply signal to the at least one pixel column.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: April 9, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongni Liu, Qi Ql, Feng Qu, Minghua Xuan, Haoliang Zheng, Jiao Zhao
  • Patent number: 11943983
    Abstract: A display substrate, a method for manufacturing the display substrate, and a display device. In the display substrate, the first sub-pixel and the second sub-pixel each include: a power signal line pattern, at least part of the power signal line pattern extends along the second direction; and a power compensation pattern, at least part of the power compensation pattern extends along the first direction, the power signal line pattern and the power compensation pattern are both located on a side of the first data line pattern and the second data line pattern close to the substrate; the power compensation pattern is electrically connected to the power signal line pattern and a power signal line pattern in an adjacent sub-pixel along the first direction.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: March 26, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tinghua Shang, Haigang Qing, Yi Zhang, Tingliang Liu, Yu Wang, Yang Zhou
  • Patent number: 11942039
    Abstract: A pixel driving circuit comprises a driving transistor, a storage capacitor, a trigger, a first response switch and a second response switch. The driving transistor has a first terminal connected to a power source, a second terminal connected to a light emitting unit, and a control terminal connected to the storage capacitor, and a second terminal of the storage capacitor is connected to the power source. The first response switch has a first terminal connected to a data line, a control terminal connected to a scan line, a second terminal connected to the first terminal of the storage capacitor, an input terminal of the trigger is connected to the scan line. The second response switch has a first terminal connected to the second terminal of the drive transistor, a second terminal connected to an initial voltage terminal, and a control terminal connected to an output terminal of the trigger.
    Type: Grant
    Filed: June 6, 2023
    Date of Patent: March 26, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Renjie Zhou, Haoxuan Zheng
  • Patent number: 11937471
    Abstract: A display substrate and a display device are provided. The display substrate includes a display region, at least one first signal line, and at least one connecting wire. The display region includes a first display region and a second display region; the first display region includes at least one first light emitting element, and the second display region includes at least one first pixel circuit; the first signal line includes a first main body portion and a first winding portion; the first main body portion extends along a first direction, and at least part of the first winding portion extends along a direction intersecting with the first direction; at least one first signal line is electrically connected to at least one first pixel circuit; and at least one first pixel circuit is configured to respectively drive at least one first light emitting element.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: March 19, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weiyun Huang, Yao Huang, Chi Yu, Xingliang Xiao, Bo Shi, Benlian Wang
  • Patent number: 11922840
    Abstract: A liquid crystal display device includes a pixel array including a plurality of rows of gate lines, a plurality of columns of source lines, a plurality of switches, and a plurality of liquid crystal cells; a gate driver IC connected to the gate lines; a source driver IC connected to the source lines; a timing control IC arranged to control operation timings of the gate driver IC and the source driver IC; and a system power supply IC arranged to supply a power supply voltage to the source driver IC. Each of the timing control IC and the system power supply IC has a function of detecting an abnormality in the gate driver IC and an abnormality in the source driver IC.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: March 5, 2024
    Assignee: Rohm Co., Ltd.
    Inventors: Yasuhiro Tamano, Shinji Kawata, Yoko Nomaguchi
  • Patent number: 11915655
    Abstract: A shift register unit, a method for driving a shift register unit, a gate driving circuit, and a display device are provided. The shift register unit includes: an input control circuit, configured to control a level of the first node; a first control circuit, configured to control a level of the second node; a second control circuit, configured to control the level of the second node under control of a fourth clock signal and an output signal; an output circuit, configured to control a level of the output terminal under control of the level of the first node and the level of the second node; and a first reset circuit, configured to control the level of the output terminal under control of the first enable signal, so as to allow the output terminal to stably output a non-operating level during a detection phase.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: February 27, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Jiangnan Lu, Guangliang Shang, Xinshe Yin, Libin Liu, Ke Feng
  • Patent number: 11916088
    Abstract: First to fourth switches are provided so that conduction states are able to be controlled independently of each other. The first switch, the third switch, and the second switch are electrically connected in series between a first wiring and a third wiring. The fourth switch has a function of controlling a conduction state between the light-emitting element and a fourth wiring. In a first transistor, a gate is electrically connected to a node to which the third switch and the second switch are electrically connected, one of a source and a drain is electrically connected to a second wiring, and the other is electrically connected to the light-emitting element. A capacitor includes first and second electrodes, the first electrode is electrically connected to a node to which the first switch and the third switch are electrically connected, and the second electrode is electrically connected to the light-emitting element.
    Type: Grant
    Filed: March 9, 2023
    Date of Patent: February 27, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Hiroyuki Miyake
  • Patent number: 11908412
    Abstract: A pixel driving circuit and a display panel are provided. The pixel driving circuit includes a scan line, a data line, a capacitor, a switch module, and a driving transistor. A scanning voltage is at a first level in a sampling phase and in a light-emitting phase, and at a second level in a data writing phase. A data voltage is at a high level in the sampling phase, and at a low level in the data writing phase and in the light-emitting phase. The capacitor includes a first capacitor-terminal and a second capacitor-terminal. The driving transistor includes a gate terminal electrically connected with the second capacitor-terminal, a source terminal electrically connected with the scan line, and a drain terminal configured to be electrically connected with the gate terminal in the sampling phase and be disconnected from the gate terminal in the data writing phase.
    Type: Grant
    Filed: June 23, 2023
    Date of Patent: February 20, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Tao Fan, Haijiang Yuan