Patents by Inventor DAWEI SHI

DAWEI SHI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11961582
    Abstract: Embodiments of the present disclosure disclose a shift register unit, a driving method thereof, and a device. The shift register unit includes an input circuit, a node control circuit, a first control output circuit, a second control output circuit and an output circuit. By providing the first control output circuit and the second control output circuit, the first control output circuit and the second control output circuit may operate alternately, so that the first control output circuit and the second control output circuit may have time for characteristics recovery respectively, thus improving the service life and output stability of the shift register unit.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: April 16, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Guangliang Shang, Xinshe Yin, Qian Yang, Libin Liu, Shiming Shi, Dawei Wang
  • Patent number: 11954291
    Abstract: A touch panel and a manufacturing method thereof, and a display device. An insulation layer (4) positioned between a substrate (1) and a polarizer (3) is configured to comprise a silicon nitride layer (41) and a barrier layer (42) positioned at one side of the silicon nitride layer (41) away from the substrate (1). The barrier layer (42) can serve as a covering layer that stops an ammonia gas escaped from the silicon nitride layer (41) from moving to the polarizer (3) so as to prevent fading of the polarizer. The insulation layer (4) is configured to comprise two thin layers, namely a silicon nitride layer (41) and a barrier layer (42).
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: April 9, 2024
    Assignees: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Lingfei Wang, Tianlong Zhao, Dawei Shi
  • Patent number: 11915645
    Abstract: A display panel includes a base, a plurality of sub-pixels and a plurality of gate control lines that are disposed on the base. Each sub-pixel includes a pixel circuit. The pixel circuit includes a driving transistor and at least one first switching transistor electrically connected to a control electrode of the driving transistor. Each pixel circuit is electrically connected to at least two gate control lines. A first switching transistor includes an active layer. The active layer includes an active layer body and at least one extension portion, and the active layer body includes at least one channel portion and at least one conductive portion. An extension portion is electrically connected to a conductive portion of the active layer body. At least a portion of an orthogonal projection of the extension portion on the base is overlapped with an orthogonal projection of a gate control line on the base.
    Type: Grant
    Filed: December 25, 2020
    Date of Patent: February 27, 2024
    Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wentao Wang, Dawei Shi, Dongsheng Zhao, Lu Yang, Pei Wang
  • Publication number: 20240049531
    Abstract: Provided in the present disclosure are a display panel and a display device. The display panel comprises: a base substrate; multiple contact electrodes, arranged on the base substrate in a non-display region of the display panel; an inorganic film layer, arranged on the side of the contact electrodes in proximity to the base substrate; the inorganic film layer comprising an inorganic material; an organic film layer, arranged on the side of the contact electrodes away from the base substrate; and a barrier layer, arranged on the side of the organic film layer away from the base substrate; the barrier layer comprising an inorganic material; and, the organic film layer being provided with openings in at least some gaps between adjacent contact electrodes.
    Type: Application
    Filed: March 9, 2021
    Publication date: February 8, 2024
    Inventors: Tianlong ZHAO, Hyoungseok PARK, Zifeng WANG, Dawei SHI
  • Publication number: 20240027343
    Abstract: A detection method for a display screen is provided, including: emitting, by a light source, light onto a surface of a display screen to form a diffuse reflection, where the light source includes an initial first color channel value a1 and an initial second color channel value b1; measuring, by a detector, a first color channel value a and a second color channel value b of the reflected light; calculating a color breakup value lab of the reflected light by: lab=?{square root over ((a?a1)2+(b?b1)2)}; calculating, in response to (a+b) being not equal to 0, a hue value ? by: ?=|a+b|/(a+b); calculating a color breakup and hue quantization value ? of the reflected light by: ?=labĂ—?=|a+b|?{square root over ((a?a1)2+(b?b1)2)}/(a+b); and determining whether the display screen is qualified based on determining whether the color breakup and hue quantization value ? is within a predetermined quantization value range.
    Type: Application
    Filed: August 24, 2021
    Publication date: January 25, 2024
    Inventors: Can Huang, Hongcheng Gao, Jiandong Bao, Dawei Shi, Lu Yang, Wentao Wang, Weitao Ma
  • Patent number: 11778886
    Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a first display region and a second display region within the first display region, wherein the first display region includes a plurality of emitting units, and the second display region includes a plurality of electrophoretic units, the plurality of emitting units are configured to realize display, and the plurality of electrophoretic units are configured to realize switch between a display state and a transparent state.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: October 3, 2023
    Assignees: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xu Li, Dawei Shi, Lu Yang, Wentao Wang, Cenhong Duan, Can Huang, Bangwei Wu, Pei Wang
  • Patent number: 11723232
    Abstract: An organic light-emitting display panel is provided. The organic light-emitting display panel includes a substrate and a plurality of pixel units disposed on a side of the substrate, wherein the pixel unit includes an organic light-emitting diode (OLED); the substrate has a first pixel density area and a second pixel density area, and a density of pixel units in the first pixel density area is greater than that of pixel units in the second pixel density area; and in the second pixel density area, a light-emitting surface of the OLED protrudes along a light-emitting direction of the OLED.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: August 8, 2023
    Assignees: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xinwei Wu, Wei Zhang, Yanyan Xu, Cunzhi Li, Dawei Shi, Dongsheng Zhao, Jonguk Kwak
  • Patent number: 11710747
    Abstract: An array substrate, a manufacturing method thereof and a display device are provided. The array substrate includes: a base substrate; a first electrode located on the base substrate and including a pad portion, the pad portion including a first surface and a second surface, the second surface being closer to the base substrate than the first surface; a first insulation layer located on the first electrode and including a first via hole; a second insulation layer located on the first insulation layer and including a second via hole; and a second electrode located on the second insulation layer; the second electrode is electrically connected with the first electrode at the pad portion through the first via hole and the second via hole, and an orthographic projection of the pad portion on the base substrate falls within an orthographic projection of the second via hole on the base substrate.
    Type: Grant
    Filed: September 29, 2018
    Date of Patent: July 25, 2023
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Fang Yan, Dawei Shi, Lei Yao, Zifeng Wang, Wentao Wang, Lu Yang, Haifeng Xu, Xiaowen Si, Jinfeng Wang, Lei Yan, Jinjin Xue, Lin Hou
  • Patent number: 11637134
    Abstract: An array substrate and a method for manufacturing the same, and a display device are provided. The array substrate includes a base substrate and the array substrate includes a plurality of pixel units. In each of the plurality of pixel units, the array substrate includes a thin film transistor and a storage capacitor disposed above the base substrate, the storage capacitor includes a metal layer, an intermediate layer, and a reflective layer disposed in a stacked manner, the metal layer being adjacent to the base substrate. The array substrate further includes a common electrode layer disposed on a side of the storage capacitor facing away from the base substrate, the reflective layer is electrically connected to the common electrode layer, and the metal layer is electrically connected to an active layer of the thin film transistor.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: April 25, 2023
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jinjin Xue, Dawei Shi, Feng Li, Lei Yao, Wentao Wang, Haifeng Xu, Lu Yang, Lin Hou, Jinfeng Wang, Mei Li, Yezhou Fang
  • Patent number: 11613913
    Abstract: The present disclosure provides an intelligent lock.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: March 28, 2023
    Assignees: Nuctech Company Limited, Tsinghua University
    Inventors: Zhiqiang Chen, Yuanjing Li, Xianghao Wu, Shiguo Liu, Dawei Shi
  • Patent number: 11594160
    Abstract: A pixel detection circuit includes a wire, at least one detection signal input terminal, at least one detection signal output terminal, and a first pixel drive circuit comprising a first switch circuit, a second switch circuit, and a third switch circuit. A display apparatus including the pixel detection circuit and a detection method applied to the pixel detection circuit are further provided.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: February 28, 2023
    Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shicheng Sun, Jonguk Kwak, Dawei Shi, Wei Zhang, Cunzhi Li, Pei Wang
  • Publication number: 20230045466
    Abstract: A display panel having a hole running through the display panel includes: a base substrate; a plurality of light-emitting devices, organic light-emitting functional layers of the light-emitting devices extending to an edge region; an isolation spacer located on the base substrate within the edge region and which are annular structures that surround the hole, the organic light-emitting functional layers are interrupted at the isolation spacer; and an encapsulation layer covering the plurality of light-emitting devices. An inorganic layer in the encapsulation layer extends to the edge region and covers the isolation spacer and the organic light-emitting functional layers. The isolation spacer includes: an inner layer structure and an outer layer structure. The side of the inner layer structure away from the base substrate is provided with a groove-shaped structure, and the outer layer structure includes a through hole.
    Type: Application
    Filed: March 9, 2021
    Publication date: February 9, 2023
    Inventors: Yanyan XU, Xinwei WU, Wei ZHANG, Cunzhi LI, Dawei SHI, Dongsheng ZHAO, Jonguk KWAK, Shicheng SUN
  • Publication number: 20230035214
    Abstract: Provided are a neodymium-iron-boron magnet material, raw material composition, preparation method, and application. The raw material composition of the neodymium-iron-boron magnet material comprises the following mass content components: R: 28-33%; R is a rare earth element, R comprises R1 and R2; R1 is a rare earth element added during smelting, and R1 comprises Nd and Dy; R2 is a rare earth element added during grain boundary diffusion, R2 comprises Tb, the content of R2 is 0.2%-1%; Co: <0.5%, but not 0; M: ?0.4%, but not 0, and M is one or more of Bi, Sn, Zn, Ga, In, Au, and Pb; Cu: ?0.15%, but not 0; B: 0.9-1.1%; Fe: 60-70%; the percentage is the mass percentage of the mass of each component to the total mass of the raw material composition. The neodymium-iron-boron magnet material has high remanence, coercivity, and good thermal stability.
    Type: Application
    Filed: February 22, 2021
    Publication date: February 2, 2023
    Inventors: Ying LUO, Jiaying HUANG, Zongbo LIAO, Qin LAN, Yulin LIN, Dawei SHI, Juhua XIE, Yanqing LONG
  • Publication number: 20230023534
    Abstract: Disclosed are a neodymium-iron-boron magnet material, a raw material composition, a preparation method therefor and a use thereof. The raw material composition of the neodymium-iron-boron magnet material comprises the following components in weight content: R: 28-33%; R being rare earth elements, and comprising R1 and R2, R1 being a rare earth element added during smelting, R1 comprising Nd and Dy, R2 being a rare earth element added during grain boundary diffusion, R2 comprising Tb, and the content of R2 being 0.2-1%; M: ?0.4% but not 0, M being one or more elements among Bi, Sn, Zn, Ga, In, Au and Pb; Cu: ?0.15% but not 0; B: 0.9-1.1%; Fe: 60-70%; but not containing Co. The neodymium-iron-boron magnet material under the condition of adding a small amount of heavy rare earth elements and not adding cobalt, can still have a relatively high coercivity and remanence, and excellent thermal stability.
    Type: Application
    Filed: February 22, 2021
    Publication date: January 26, 2023
    Inventors: Ying LUO, Zongbo LIAO, Qin LAN, Jiaying HUANG, Dawei SHI, Yulin LIN, Juhua XIE, Yanqing LONG
  • Patent number: 11563063
    Abstract: The present disclosure provides an OLED display substrate, a fabricating method thereof and a display device. The OLED display substrate includes a substrate; an inorganic layer and a light-emitting unit on substrate, light-emitting unit being on a side of inorganic layer away from substrate and including a light-emitting structure; a camera on a side of substrate away from inorganic layer, and light-emitting unit being not in orthographic projection region; a protective layer in orthographic projection region and on side of inorganic layer away from substrate, wherein protective layer is configured to protect inorganic layer in orthographic projection region from warping or cracking in a process of removing part of light-emitting structure in orthographic projection region by laser cutting.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: January 24, 2023
    Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lu Yang, Dawei Shi, Wentao Wang, Cenhong Duan, Pei Wang, Xu Li, Can Huang, Bangwei Wu
  • Publication number: 20230006015
    Abstract: A display panel has a display region and a bezel region located on a periphery of the display region, and the display region includes a first region and a second region. The display panel includes a plurality of pixel driving circuits located in the first region and a plurality of pixel driving circuits located in the second region. A density of the pixel driving circuits in the first region is less than a density of the pixel driving circuits in the second region.
    Type: Application
    Filed: April 14, 2021
    Publication date: January 5, 2023
    Applicants: Chongqing BOE Display Technology Co.,Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shicheng SUN, Jonguk KWAK, Dawei SHI, Wei ZHANG, Tianlei SHI, Dongsheng ZHAO, Jie LIU, Pei WANG
  • Publication number: 20230004244
    Abstract: A touch panel and a manufacturing method thereof, and a display device. An insulation layer (4) positioned between a substrate (1) and a polarizer (3) is configured to comprise a silicon nitride layer (41) and a barrier layer (42) positioned at one side of the silicon nitride layer (41) away from the substrate (1). The barrier layer (42) can serve as a covering layer that stops an ammonia gas escaped from the silicon nitride layer (41) from moving to the polarizer (3) so as to prevent fading of the polarizer. The insulation layer (4) is configured to comprise two thin layers, namely a silicon nitride layer (41) and a barrier layer (42).
    Type: Application
    Filed: January 6, 2021
    Publication date: January 5, 2023
    Inventors: Lingfei WANG, Tianlong ZHAO, Dawei SHI
  • Patent number: 11538375
    Abstract: The disclosure relates to a pixel circuit and a testing method of the pixel circuit. The pixel circuit comprises a light emitting element, a storage capacitor Cst, a drive sub-circuit, a reset sub-circuit, a write sub-circuit, a light emission control sub-circuit and a testing element, wherein a control terminal of the testing element is connected to s reset control signal line, a first terminal of the testing element is connected to a reset signal line, a second terminal of the testing element is connected to the drive sub-circuit, and the testing element is configured to test elements included in the pixel circuit.
    Type: Grant
    Filed: November 26, 2020
    Date of Patent: December 27, 2022
    Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Shicheng Sun, Jonguk Kwak, Dawei Shi, Wei Zhang, Cunzhi Li, Pei Wang
  • Publication number: 20220406254
    Abstract: A display panel includes a base, a plurality of sub-pixels and a plurality of gate control lines that are disposed on the base. Each sub-pixel includes a pixel circuit. The pixel circuit includes a driving transistor and at least one first switching transistor electrically connected to a control electrode of the driving transistor. Each pixel circuit is electrically connected to at least two gate control lines. A first switching transistor includes an active layer. The active layer includes an active layer body and at least one extension portion, and the active layer body includes at least one channel portion and at least one conductive portion. An extension portion is electrically connected to a conductive portion of the active layer body. At least a portion of an orthogonal projection of the extension portion on the base is overlapped with an orthogonal projection of a gate control line on the base.
    Type: Application
    Filed: December 25, 2020
    Publication date: December 22, 2022
    Applicants: Chongqing BOE Display Technology Co.,Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wentao WANG, Dawei SHI, Dongsheng ZHAO, Lu YANG, Pei WANG
  • Publication number: 20220399379
    Abstract: A driving backplane includes: a base; a first conductive layer disposed on the base, the first conductive layer including at least one first signal line; a first insulating layer disposed on a side of the first conductive layer away from the base; a second conductive layer disposed on a side of the first insulating layer away from the first conductive layer, the second conductive layer including at least one second signal line. Each first signal line and a second signal line constitute a signal line pair. In the signal line pair, extending directions of the first signal line and the second signal line are the same, an orthogonal projection of the first signal line on the base and an orthogonal projection of the second signal line on the base have a first overlapping region, and the second signal line is coupled to the first signal line.
    Type: Application
    Filed: December 18, 2020
    Publication date: December 15, 2022
    Applicants: Chongqing BOE Display Technology Co.,Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wentao WANG, Dawei SHI, Pei WANG, Dongsheng ZHAO, Lu YANG, Liang HUO, Cenhong DUAN, Can HUANG, Xiaosong WEN