Patents by Inventor Renrong Gai

Renrong Gai 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).

  • Publication number: 20230419903
    Abstract: A display panel and a driving method thereof and a display device are provided. The display panel includes a pixel circuit and a light-emitting element, the pixel circuit including a driving transistor, a first reset transistor and a second reset transistor; the first reset transistor configured to reset the gate electrode of the driving transistor, and the second reset transistor configured to reset the first electrode of the light-emitting element; a first initialization signal line connected with the gate electrode of the driving transistor through the first reset transistor; and a first power line. The first reset transistor is a dual-gate transistor and includes a first channel and a second channel which are connected by a first conductive connection portion; an orthographic projection of the first conductive connection portion on the base substrate is completely within an orthographic projection of the first power line on the base substrate.
    Type: Application
    Filed: September 11, 2023
    Publication date: December 28, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li WANG, Qian YANG, Tian DONG, Renrong GAI, Jingquan WANG, Bo WANG
  • Patent number: 11798474
    Abstract: A display panel and a driving method thereof and a display device are provided. The display panel includes a pixel circuit and a light-emitting element, the pixel circuit including a driving transistor, a first reset transistor and a second reset transistor; the first reset transistor being connected with a gate electrode of the driving transistor and configured to reset the gate electrode of the driving transistor, and the second reset transistor being configured to reset the first electrode of the light-emitting element; a first initialization signal line, connected with the gate electrode of the driving transistor through the first reset transistor; and a second initialization signal line, connected with the first electrode of the light-emitting element through the second reset transistor. The first initialization signal line and the second initialization signal line are insulated from each other and are configured to supply signals respectively.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: October 24, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Li Wang, Qian Yang, Tian Dong, Renrong Gai, Jingquan Wang, Bo Wang
  • Patent number: 11723234
    Abstract: The present disclosure provides a display backplane, a manufacturing method thereof and a display device. The display backplane includes: a substrate defining a transparent display area and a normal display area; a first insulating layer disposed on a side of the substrate and having a plurality of openings; an emitting layer disposed in the openings; and a first electrode disposed on a remote side of the emitting layer from the substrate and including a first sub-layer and a second sub-layer which are stacked, wherein an orthographic projection of the emitting layer on the substrate is within an orthographic projection of the second sub-layer on the substrate, and the sub-layer is patterned in the transparent display area.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: August 8, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Peng Chen, Kuo Sun, Xuan Pang, Yanyan Zhao, Shanshan Bai, Renrong Gai
  • Patent number: 11502133
    Abstract: The present disclosure provides a display panel, a manufacturing method thereof and a display device. The display panel includes a substrate, a pixel structure layer on the substrate, and a sensor layer on a side of the pixel structure layer away from the substrate. The pixel structure layer includes a plurality of sub-pixels. At least one of the plurality of sub-pixels is configured to emit a first light. The sensor layer includes a photoelectric conversion device. The photoelectric conversion device is configured to receive a second light produced after the first light is reflected by an external object, and convert the second light into an electrical signal.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: November 15, 2022
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Yang Wang, Guoqiang Tang, Renrong Gai, Yangpeng Wang
  • Publication number: 20220215799
    Abstract: A display panel and a driving method thereof and a display device are provided. The display panel includes a pixel circuit and a light-emitting element, the pixel circuit including a driving transistor, a first reset transistor and a second reset transistor; the first reset transistor being connected with a gate electrode of the driving transistor and configured to reset the gate electrode of the driving transistor, and the second reset transistor being configured to reset the first electrode of the light-emitting element; a first initialization signal line, connected with the gate electrode of the driving transistor through the first reset transistor; and a second initialization signal line, connected with the first electrode of the light-emitting element through the second reset transistor. The first initialization signal line and the second initialization signal line are insulated from each other and are configured to supply signals respectively.
    Type: Application
    Filed: October 27, 2020
    Publication date: July 7, 2022
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li WANG, Qian YANG, Tian DONG, Renrong GAI, Jingquan WANG, Bo WANG
  • Patent number: 11264410
    Abstract: The present disclosure relates to a display panel that includes: a separation layer disposed on a surface of a planarization layer facing away from a substrate in a transition area, and surrounds at least a part of an opening area of the substrate in a circumferential direction of the opening area, and a sidewall of the separation layer gradually is shrunk toward the substrate in a direction perpendicular to the substrate; and a barrier layer located in the transition area and at least covers a surface of the barrier layer facing away from the substrate. The barrier layer includes a material for blocking moisture and oxygen. The display layer covers the planarization layer and the barrier layer. The display layer includes a light-emitting layer, and the light-emitting layer is discontinuous at a sidewall position of the separation layer.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: March 1, 2022
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunyan Xie, Kuo Sun, Renrong Gai
  • Publication number: 20220059784
    Abstract: A display substrate, including: a main display area, including a main display surface; and a bending portion, disposed around a periphery of the main display area, the bending portion is connected to the periphery of the main display area and is bent in a direction away from the main display surface, the bending portion includes: a plurality of side display areas, each of which is connected to a side edge of the main display area, and each side display area includes a side display surface; and a plurality of corner portions, each corner portion is connected to a turning of the main display area and is located between two adjacent side display areas, and wherein the main display surface and the side display surfaces constitute a display area, the corner portions constitute a non-display area, and the plurality of side display areas and the plurality of corner portions extend continuously.
    Type: Application
    Filed: November 16, 2020
    Publication date: February 24, 2022
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Kuo Sun, Haijun Yin, Liqiang Chen, Jiafan Shi, Renrong Gai
  • Publication number: 20210233981
    Abstract: The present disclosure provides a display backplane, a manufacturing method thereof and a display device. The display backplane includes: a substrate defining a transparent display area and a normal display area; a first insulating layer disposed on a side of the substrate and having a plurality of openings; an emitting layer disposed in the openings; and a first electrode disposed on a remote side of the emitting layer from the substrate and including a first sub-layer and a second sub-layer which are stacked, wherein an orthographic projection of the emitting layer on the substrate is within an orthographic projection of the second sub-layer on the substrate, and the sub-layer is patterned in the display area.
    Type: Application
    Filed: February 18, 2020
    Publication date: July 29, 2021
    Inventors: Peng CHEN, Kuo SUN, Xuan PANG, Yanyan ZHAO, Shanshan BAI, Renrong GAI
  • Publication number: 20210233962
    Abstract: The present disclosure provides a display panel, a manufacturing method thereof and a display device. The display panel includes a substrate, a pixel structure layer on the substrate, and a sensor layer on a side of the pixel structure layer away from the substrate. The pixel structure layer includes a plurality of sub-pixels. At least one of the plurality of sub-pixels is configured to emit a first light. The sensor layer includes a photoelectric conversion device. The photoelectric conversion device is configured to receive a second light produced after the first light is reflected by an external object, and convert the second light into an electrical signal.
    Type: Application
    Filed: April 25, 2019
    Publication date: July 29, 2021
    Inventors: Yang Wang, Guoqiang Tang, Renrong Gai, Yangpeng Wang
  • Patent number: 10971570
    Abstract: A display device includes a display layer, at least one brightness detecting unit group disposed on a light emitting side of the display layer, and a control module coupled to each of the brightness detecting units. The display layer includes a plurality of display units. Each display unit includes at least one sub-pixel. Each brightness detecting unit group includes a plurality of brightness detecting units, an orthographic projection of one brightness detecting unit on the display layer has an overlapping area with an arranging area of one display unit on the display layer. Respective portions, lying in overlapping areas, of the display units corresponding to different brightness detecting units in the same brightness detecting unit group are the same.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: April 6, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Libin Liu, Hao Zhang, Renrong Gai
  • Publication number: 20210013283
    Abstract: A display device includes a display layer, at least one brightness detecting unit group disposed on a light emitting side of the display layer, and a control module coupled to each of the brightness detecting units. The display layer includes a plurality of display units. Each display unit includes at least one sub-pixel. Each brightness detecting unit group includes a plurality of brightness detecting units, an orthographic projection of one brightness detecting unit on the display layer has an overlapping area with an arranging area of one display unit on the display layer. Respective portions, lying in overlapping areas, of the display units corresponding to different brightness detecting units in the same brightness detecting unit group are the same.
    Type: Application
    Filed: May 15, 2019
    Publication date: January 14, 2021
    Inventors: Libin Liu, Hao Zhang, Renrong Gai
  • Publication number: 20210005641
    Abstract: The present disclosure relates to a display panel that includes: a separation layer disposed on a surface of a planarization layer facing away from a substrate in a transition area, and surrounds at least a part of an opening area of the substrate in a circumferential direction of the opening area, and a sidewall of the separation layer gradually is shrunk toward the substrate in a direction perpendicular to the substrate; and a barrier layer located in the transition area and at least covers a surface of the barrier layer facing away from the substrate. The barrier layer includes a material for blocking moisture and oxygen. The display layer covers the planarization layer and the barrier layer. The display layer includes a light-emitting layer, and the light-emitting layer is discontinuous at a sidewall position of the separation layer.
    Type: Application
    Filed: March 6, 2020
    Publication date: January 7, 2021
    Inventors: Chunyan XIE, Kuo SUN, Renrong GAI
  • Patent number: 10355056
    Abstract: The present disclosure relates to an OLED device and a manufacturing method thereof, a display panel and a display device. The OLED device includes: a first electrode disposed on a substrate; an organic light emitting layer disposed on the first electrode; a second electrode disposed on the organic light emitting layer; and a stack of layers disposed on the second electrode. The stack of layers includes at least one inorganic layer and at least one organic layer. The at least one inorganic layer and at least one organic layer are alternately arranged. One organic layer of the at least one organic layer includes a color conversion layer.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: July 16, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Renrong Gai, Weilin Lai
  • Patent number: 10205120
    Abstract: An encapsulating method, a display panel and a display apparatus, the encapsulating method including: forming a frit layer in an encapsulating area of a first substrate; forming a glass network modifier oxide layer on the surface of the frit layer; a first-sintering for the frit layer and the glass network modifier oxide layer; and aligning and attaching the first substrate and a second substrate, and forming an encapsulating structure through irradiating the encapsulating area by a laser. The encapsulating method can improve the liquidity of the surface of the frit layer and make the surface of the frit planarization after sintering at high temperature, so that the production of the holes of the surface of the frit layer can be reduced in the process of being encapsulated by a laser, and then the effect of encapsulating is improved.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: February 12, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Zhiliang Jiang, Fengli Ji, Renrong Gai, Minghua Xuan
  • Patent number: 10181583
    Abstract: An organic light emitting device includes: a substrate (200), and a first electrode layer (201), a second electrode layer (202), a color conversion layer (206), a first light emitting layer (203), and a second light emitting layer (204) that are stacked on the substrate (200), wherein the first light emitting layer (203) is disposed between the first electrode layer (201) and the second electrode layer (202), the first light emitting layer (203) emits the first emission light under electric excitation; the first electrode layer (201) is a transparent electrode layer, the first color conversion layer (206) is disposed at one side of the first electrode layer (201) away from the second electrode layer (202); the second light emitting layer (204) is disposed between the first light emitting layer (203) and the second electrode layer (202), the second light emitting layer (204) emits the second emission light under electric excitation; and a peak wavelength of the first emission light is larger than a peak wavele
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: January 15, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Weilin Lai, Renrong Gai, Xiaojin Zhang, Minghua Xuan
  • Publication number: 20180197920
    Abstract: The present disclosure relates to an OLED device and a manufacturing method thereof, a display panel and a display device. The OLED device includes: a first electrode disposed on a substrate; an organic light emitting layer disposed on the first electrode; a second electrode disposed on the organic light emitting layer; and a stack of layers disposed on the second electrode. The stack of layers includes at least one inorganic layer and at least one organic layer. The at least one inorganic layer and at least one organic layer are alternately arranged. One organic layer of the at least one organic layer includes a color conversion layer.
    Type: Application
    Filed: May 4, 2017
    Publication date: July 12, 2018
    Inventors: Renrong GAI, Wei Lin LAI
  • Patent number: 10008696
    Abstract: The present disclosure provides a packaging method, a display panel, and a display device. The packaging method includes forming a glass adhesive on a packaging area of an OLED array substrate or on a packaging cover plate, aligning the packaging cover plate with the OLED array substrate, and applying, from a side of the packaging cover plate facing away from the OLED array substrate a laser to the glass adhesive, to sinter the glass adhesive, wherein the packaging method further includes forming a barrier layer on the packaging cover plate, the barrier layer being configured to block the laser from irradiating an OLED device on the OLED array substrate when the laser irradiates the glass adhesive.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: June 26, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Renrong Gai, Minghua Xuan, Yun Qiu, Zhiliang Jiang, Guanyin Wen
  • Patent number: 10008690
    Abstract: The present invention discloses a method and a system of flattening a surface formed by sealant of a packaging cover plate, as well as a packaging method, the method includes vibrating a high temperature sintered packaging cover plate by using a high frequency vibrator with a preset frequency, and irradiating the surface formed by sealant of the packaging cover plate by using a laser with preset power, so that a convex portion formed by the sealant is melted and flows to a concave portion formed by the sealant under vibration of the high frequency vibrator, thereby flattening the surface formed by sealant of the packaging cover plate.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: June 26, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Zhiliang Jiang, Minghua Xuan, Renrong Gai, Bo Zhang, Fei Chen
  • Patent number: 9990879
    Abstract: The present disclosure provides a display device. A solar cell module is integrated into a body of the display device. A photosensitive control module is configured to detect a brightness value of current ambient light being incident on the display device, and when the detected brightness value meets a predetermined condition, switch a power supply of the display device from a local cell to the solar cell module, so as to supply the electric energy stored in the solar cell module to the display device.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: June 5, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Weilin Lai, Renrong Gai
  • Publication number: 20180138449
    Abstract: The present disclosure provides a packaging method, a display panel, and a display device. The packaging method includes forming a glass adhesive on a packaging area of an OLED array substrate or on a packaging cover plate, aligning the packaging cover plate with the OLED array substrate, and applying, from a side of the packaging cover plate facing away from the OLED array substrate a laser to the glass adhesive, to sinter the glass adhesive, wherein the packaging method further includes forming a barrier layer on the packaging cover plate, the barrier layer being configured to block the laser from irradiating an OLED device on the OLED array substrate when the laser irradiates the glass adhesive.
    Type: Application
    Filed: March 22, 2016
    Publication date: May 17, 2018
    Inventors: Renrong GAI, Minghua XUAN, Yun QIU, Zhiliang JIANG, Guanyin WEN