Patents by Inventor Wenchang TAO

Wenchang TAO 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: 11774776
    Abstract: The grating substrate includes a first base substrate and a plurality of grating units on the first base substrate. The grating unit includes two control layers, a barrier structure between the two control layers, and a plurality of movable particles in a closed cavity surrounded by the barrier structure and the two control layers. The two control layers include a first control layer and a second control layer. The first control layer is located on a side of the second control layer distal from the first base substrate, and the two control layers are configured to control movement of the plurality of particles. The particles satisfy at least one of the following conditions: the particles have a refractive index smaller than a refractive index of the first control layer, or the particles are non-transparent particles.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: October 3, 2023
    Assignees: FUZHOU BUE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenchang Tao, Zongxiang Li, Linlin Lin, Xinmao Qiu, Zuwen Liu, Jin Wang, Changhong Shi, Yaochao Lv, Jiamin Liao, Yao Liu, Xi Chen, Min Zhou, Guichun Hong, Zhendian Wu, Hao Cheng, Yawen Huang, Zihua Zhuang
  • Patent number: 11538864
    Abstract: A double-sided display panel and a manufacture method thereof, and a double-sided display device are provided. The double-sided display panel includes a first display layer and a second display layer which are disposed opposite to each other; the first display layer includes a plurality of first pixel units and a plurality of first light adjusting components; the second display layer includes a plurality of second pixel units and a plurality of second light adjusting components; colors of light transmitted by a first light adjusting component and a second light adjusting component which are correspondingly stacked are different.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: December 27, 2022
    Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Zongxiang Li, Liqing Yao, Jiamin Liao, Xinmao Qiu, Wenchang Tao, Zhendian Wu, Dahai Li, Guichun Hong, Changhong Shi
  • Patent number: 11460810
    Abstract: The present disclosure provides a holographic reproduction device, a holographic reproduction system, and a holographic display system. The holographic reproduction device includes a first light source configured to provide first coherent light; at least one electrically addressed liquid crystal display panel configured to display a holographic interferogram, so that the first coherent light is diffracted when the first coherent light transmits through the holographic interferogram to present a holographic reproduction image. A liquid crystal material of the electrically addressed liquid crystal display panel includes smectic liquid crystal.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: October 4, 2022
    Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Jin Wang, Changhong Shi, Jiamin Liao, Yao Liu, Wenchang Tao, Zuwen Liu, Zihua Zhuang, Hao Cheng, Hongjiang Wu, Xi Chen
  • Patent number: 11404019
    Abstract: The present disclosure provides a method for compensating a common voltage. The method for compensating a common voltage includes: generating a feedback signal by acquiring a real-time monitoring result of a feedback signal line on the common voltage, the feedback signal including a plurality of time periods, each of the time periods including a first sub-period in which the feedback signal is interfered by the periodic signal and a second sub-period in which the feedback signal is not interfered by the periodic signal; processing the feedback signal to eliminate distortion of the feedback signal caused by interference of the periodic signal in the first sub-period; and compensating for the common voltage according to the feedback signal.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: August 2, 2022
    Assignees: Fuzhou BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xinmao Qiu, Zongxiang Li, Jiamin Liao, Jin Wang, Hao Cheng, Yao Liu, Min Zhou, Wenchang Tao, Zhendian Wu, Zuwen Liu, Guichun Hong, Zihua Zhuang, Yaochao Lv, Changhong Shi, Linlin Lin, Wen Zha, Jingguang Zhu, Jiantao Lin, Hongjiang Wu
  • Patent number: 11402711
    Abstract: An array substrate, a display panel, a display device, and a manufacturing method for an array substrate are provided. The array substrate includes a pixel unit group which includes a first pixel and a second pixel; the first pixel includes a first pixel electrode, a first switching element, and a first connection portion extending and protruding from the first pixel electrode; the second pixel includes a second pixel electrode, a second switching element, and a second connection portion extending and protruding from the second pixel electrode; the first pixel electrode and the first switching element are electrically connected to each other via the first connection portion; the second pixel electrode and the second switching element are electrically connected to each other via the second connection portion; and an extension length of the first connection portion is not equal to an extension length of the second connection portion.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: August 2, 2022
    Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zongxiang Li, Wenchao Wang, Jinglong Yan, Hongjiang Wu, Baoqiang Wang, Wenrui Liu, Xi Chen, Yao Liu, Hongtao Lin, Wenchang Tao
  • Patent number: 11262701
    Abstract: The present disclosure relates to a holographic display device and an electronic device. The holographic display device may include a light source, a light transmission structure, a first photonic crystal group, and a spatial light modulator. The light transmission structure has a light incident surface and a light exiting surface. The first photonic crystal group is disposed between the light incident surface and the light source. The first photonic crystal group includes various photonic crystals for dividing light emitted by the light source into light beams of different colors. The light beams of different colors are transmitted into the light transmission structure through the light incident surface and emitted through the light exiting surface. The spatial light modulator corresponds to the light exiting surface for modulating light beams of different colors emitted from the light exiting surface to form a holographic image.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: March 1, 2022
    Assignees: Fuzhou BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Linlin Lin, Bo Hu, Wenchang Tao, Zhendian Wu, Xinmao Qiu, Yaochao Lv
  • Patent number: 11244639
    Abstract: A display panel includes a plurality of sub-pixels. At least one sub-pixel of the plurality of sub-pixels includes a first electrode, a light modulation structure disposed on a side of the first electrode, and a second electrode disposed at a side of the light modulation structure away from the first electrode. The light modulation structure includes a refractive index adjustment layer, and a light modulation layer disposed between the refractive index adjustment layer and the first electrode. A refractive index of the refractive index adjustment layer is changed under action of an electric field between the first electrode and the second electrode. The light modulation layer is in contact with the refractive index adjustment layer, and at least a part of a surface of the light modulation layer that is in contact with the refractive index adjustment layer is a curved face.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: February 8, 2022
    Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Changhong Shi, Jin Wang, Wenchang Tao, Zongxiang Li, Jiamin Liao, Min Zhou, Yao Liu, Hongjiang Wu, Zuwen Liu
  • Publication number: 20220005882
    Abstract: A double-sided display panel and a manufacture method thereof, and a double-sided display device are provided. The double-sided display panel includes a first display layer and a second display layer which are disposed opposite to each other; the first display layer includes a plurality of first pixel units and a plurality of first light adjusting components; the second display layer includes a plurality of second pixel units and a plurality of second light adjusting components; colors of light transmitted by a first light adjusting component and a second light adjusting component which are correspondingly stacked are different.
    Type: Application
    Filed: March 21, 2019
    Publication date: January 6, 2022
    Inventors: Zongxiang LI, Liqing YAO, Jiamin LIAO, Xinmao QIU, Wenchang TAO, Zhendian WU, Dahai LI, Guichun HONG, Changhong SHI
  • Patent number: 11216098
    Abstract: An OLED display panel is provided, including a pixel circuit layer, an OLED layer, and a reflective layer that are sequentially stacked, wherein the reflective layer includes at least one reflective block, and the at least one reflective block is a conductor and is connected to a touch integrated circuit.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: January 4, 2022
    Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenchang Tao, Zongxiang Li, Jin Wang, Zuwen Liu, Zhendian Wu, Linlin Lin, Guichun Hong
  • Patent number: 11158281
    Abstract: Provided are a display panel and a driving method thereof. The display panel includes an array substrate, the display panel including a display region and a peripheral region. In the peripheral region, a common voltage wiring, a voltage feedback wiring, a periodic signal wiring, and a decoupling wiring are disposed on the array substrate at intervals; the common voltage wiring is configured to transmit a common voltage signal for display to a pixel array in the display region, the voltage feedback wiring is configured to transmit a voltage feedback signal for monitoring changes in the common voltage signal, the periodic signal wiring is configured to provide the pixel array with a periodic signal for display, the decoupling wiring is located between the periodic signal wiring and the voltage feedback wiring, and is configured to transmit a decoupling signal for reducing coupling distortion of the voltage feedback signal.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: October 26, 2021
    Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yaochao Lv, Hao Cheng, Zongxiang Li, Jiamin Liao, Wenchang Tao, Guichun Hong, Zhendian Wu, Linlin Lin, Zuwen Liu, Jin Wang, Xinmao Qiu, Changhong Shi, Zihua Zhuang, Min Zhou, Yawen Huang, Yao Liu, Jingguang Zhu, Jiantao Lin, Xi Chen
  • Publication number: 20210325748
    Abstract: An array substrate, a display panel, a display device, and a manufacturing method for an array substrate are provided. The array substrate includes a pixel unit group which includes a first pixel and a second pixel; the first pixel includes a first pixel electrode, a first switching element, and a first connection portion extending and protruding from the first pixel electrode; the second pixel includes a second pixel electrode, a second switching element, and a second connection portion extending and protruding from the second pixel electrode; the first pixel electrode and the first switching element are electrically connected to each other via the first connection portion; the second pixel electrode and the second switching element are electrically connected to each other via the second connection portion; and an extension length of the first connection portion is not equal to an extension length of the second connection portion.
    Type: Application
    Filed: July 16, 2019
    Publication date: October 21, 2021
    Inventors: Zongxiang LI, Wenchao WANG, Jinglong YAN, Hongjiang WU, Baoqiang WANG, Wenrui LIU, Xi CHEN, Yao LIU, Hongtao LIN, Wenchang TAO
  • Patent number: 11151921
    Abstract: A gate driving circuit and a control method thereof, a display panel, and a display device are provided. The gate driving circuit includes multiple stages of shift register units and a shutdown discharge circuit. The shutdown discharge circuit includes a first discharge circuit. The first discharge circuit is electrically connected to a pull-up node and a discharge voltage terminal, and is configured to control the pull-up node to be electrically connected to the discharge voltage terminal under the control of a first control signal provided by a first control signal terminal.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: October 19, 2021
    Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiamin Liao, Zongxiang Li, Yao Liu, Zihua Zhuang, Jin Wang, Wenchang Tao, Guichun Hong, Hao Cheng, Min Zhou
  • Patent number: 11092829
    Abstract: The present disclosure relates to a display device and a display method thereof. The display device includes: a plurality of sub-pixels each including a light emitting element and a liquid crystal spatial light modulator, wherein the liquid crystal spatial light modulator is located on a light emission side of the light emitting element, and a phase of light emitted by the light emitting element is modulatable after passing through the liquid crystal spatial light modulator; a first control circuit configured to control a light emission intensity and chromaticity of the light emitting element; and a second control circuit configured to control deflection of liquid crystal in the liquid crystal spatial light modulator so as to modulate the phase.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: August 17, 2021
    Assignees: Fuzhou BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jin Wang, Xi Chen, Zongxiang Li, Jiamin Liao, Wenchang Tao, Zhendian Wu, Dahai Li, Changhong Shi, Zuwen Liu
  • Publication number: 20210232247
    Abstract: An OLED display panel is provided, including a pixel circuit layer, an OLED layer, and a reflective layer that are sequentially stacked, wherein the reflective layer includes at least one reflective block, and the at least one reflective block is a conductor and is connected to a touch integrated circuit.
    Type: Application
    Filed: December 13, 2019
    Publication date: July 29, 2021
    Inventors: Wenchang Tao, Zongxiang Li, Jin Wang, Zuwen Liu, Zhendian Wu, Linlin Lin, Guichun Hong
  • Publication number: 20210199986
    Abstract: The grating substrate includes a first base substrate and a plurality of grating units on the first base substrate. The grating unit includes two control layers, a barrier structure between the two control layers, and a plurality of movable particles in a closed cavity surrounded by the barrier structure and the two control layers. The two control layers include a first control layer and a second control layer. The first control layer is located on a side of the second control layer distal from the first base substrate, and the two control layers are configured to control movement of the plurality of particles. The particles satisfy at least one of the following conditions: the particles have a refractive index smaller than a refractive index of the first control layer, or the particles are non-transparent particles.
    Type: Application
    Filed: December 17, 2019
    Publication date: July 1, 2021
    Inventors: Wenchang Tao, Zongxiang Li, Linlin Lin, Xinmao Qiu, Zuwen Liu, Jin Wang, Changhong Shi, Yaochao Lv, Jiamin Liao, Yao Liu, Xi Chen, Min Zhou, Guichun Hong, Zhendian Wu, Hao Cheng, Yawen Huang, Zihua Zhuang
  • Publication number: 20210150957
    Abstract: A gate driving circuit and a control method thereof, a display panel, and a display device are provided. The gate driving circuit includes multiple stages of shift register units and a shutdown discharge circuit. The shutdown discharge circuit includes a first discharge circuit. The first discharge circuit is electrically connected to a pull-up node and a discharge voltage terminal, and is configured to control the pull-up node to be electrically connected to the discharge voltage terminal under the control of a first control signal provided by a first control signal terminal.
    Type: Application
    Filed: March 18, 2020
    Publication date: May 20, 2021
    Applicants: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiamin LIAO, Zongxiang LI, Yao LIU, Zihua ZHUANG, Jin WANG, Wenchang TAO, Guichun HONG, Hao CHENG, Min ZHOU
  • Publication number: 20210065646
    Abstract: Provided are a display panel and a driving method thereof. The display panel includes an array substrate, the display panel including a display region and a peripheral region. In the peripheral region, a common voltage wiring, a voltage feedback wiring, a periodic signal wiring, and a decoupling wiring are disposed on the array substrate at intervals; the common voltage wiring is configured to transmit a common voltage signal for display to a pixel array in the display region, the voltage feedback wiring is configured to transmit a voltage feedback signal for monitoring changes in the common voltage signal, the periodic signal wiring is configured to provide the pixel array with a periodic signal for display, the decoupling wiring is located between the periodic signal wiring and the voltage feedback wiring, and is configured to transmit a decoupling signal for reducing coupling distortion of the voltage feedback signal.
    Type: Application
    Filed: November 26, 2018
    Publication date: March 4, 2021
    Inventors: Yaochao LV, Hao CHENG, Zongxiang LI, Jiamin LIAO, Wenchang TAO, Guichun HONG, Zhendian WU, Linlin LIN, Zuwen LIU, Jin WANG, Xinmao QIU, Changhong SHI, Zihua ZHUANG, Min ZHOU, Yawen HUANG, Yao LIU, Jingguang ZHU, Jiantao LIN, Xi CHEN
  • Publication number: 20210012723
    Abstract: A display panel includes a plurality of sub-pixels. At least one sub-pixel of the plurality of sub-pixels includes a first electrode, a light modulation structure disposed on a side of the first electrode, and a second electrode disposed at a side of the light modulation structure away from the first electrode. The light modulation structure includes a refractive index adjustment layer, and a light modulation layer disposed between the refractive index adjustment layer and the first electrode. A refractive index of the refractive index adjustment layer is changed under action of an electric field between the first electrode and the second electrode. The light modulation layer is in contact with the refractive index adjustment layer, and at least a part of a surface of the light modulation layer that is in contact with the refractive index adjustment layer is a curved face.
    Type: Application
    Filed: December 20, 2019
    Publication date: January 14, 2021
    Inventors: Changhong SHI, Jin WANG, Wenchang TAO, Zongxiang LI, Jiamin LIAO, Min ZHOU, Yao LIU, Hongjiang WU, Zuwen LIU
  • Publication number: 20200409308
    Abstract: The present disclosure provides a holographic reproduction device, a holographic reproduction system, and a holographic display system. The holographic reproduction device includes a first light source configured to provide first coherent light; at least one electrically addressed liquid crystal display panel configured to display a holographic interferogram, so that the first coherent light is diffracted when the first coherent light transmits through the holographic interferogram to present a holographic reproduction image. A liquid crystal material of the electrically addressed liquid crystal display panel includes smectic liquid crystal.
    Type: Application
    Filed: March 27, 2020
    Publication date: December 31, 2020
    Inventors: Jin WANG, Changhong SHI, Jiamin LIAO, Yao LIU, Wenchang TAO, Zuwen LIU, Zihua ZHUANG, Hao CHENG, Hongjiang WU, Xi CHEN
  • Patent number: 10794759
    Abstract: An optical detection sensor is disclosed. The optical detection sensor includes a converter configured to receive non-visible light, convert the non-visible light into visible light, and emit the visible light; and a visible light solid-state image sensor. The converter is located on a light incident side of the visible light solid-state image sensor, and the visible light solid-state image sensor is configured to receive the visible light to generate an electron flow, convert information of the electron flow into data information, and output the data information.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: October 6, 2020
    Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hao Cheng, Yanfei Chi, Xi Chen, Zhixiao Yao, Zongxiang Li, Jiamin Liao, Wenchang Tao, Zhendian Wu, Dahai Li, Linlin Lin, Guichun Hong, Yao Liu, Zuwen Liu, Jin Wang, Xinmao Qiu, Changhong Shi, Yaochao Lv, Zihua Zhuang, Min Zhou, Yawen Huang