Patents by Inventor Jikai Yao

Jikai Yao 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: 10770521
    Abstract: Embodiments of the present disclosure provide a display panel, a display and a displaying method. The display panel includes: a first base substrate and a second base substrate arranged to be opposite to each other; a liquid crystal layer between the first base substrate and the second base substrate; and a light emitting device layer for emitting light, a grating layer of partial light transmission and a light converting layer arranged at a side of the second base substrate facing towards the first base substrate.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: September 8, 2020
    Assignee: BOE TECHMOLOGY GROUP CO., LTD.
    Inventors: Tingting Zhou, Bin Zhang, Jikai Yao, Yang Yang
  • Patent number: 10739663
    Abstract: The present disclosure relates to a light-exiting direction adjustment element including a first substrate; a second substrate disposed opposite to the first substrate; a light transmission part disposed between the first substrate and the second substrate; and an adjustment part disposed between the adjacent light transmission parts, wherein the adjustment part includes an electrode control unit and light-shielding charged particles used to shield light passing through the adjustment part under control of the electrode control unit.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: August 11, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingtao Wang, Jikai Yao
  • Patent number: 10726782
    Abstract: A pixel circuit, a method for driving the same, a display panel and a display device are provided. The pixel circuit includes a driver transistor, a data writing sub-circuit, an initializing sub-circuit, a voltage prewriting sub-circuit, a threshold compensating sub-circuit, a first light-emission control sub-circuit, a second light-emission control sub-circuit, a capacitor, and a light-emitting element. The voltage prewriting sub-circuit pre-stores voltage of a light-emission supply voltage terminal into the capacitor before the light-emitting element emits light, the magnitude of light-emission current is dependent upon the voltage of the light-emission supply voltage terminal, and independent of the voltage of the first voltage source.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: July 28, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueling Gao, Jikai Yao, Kuanjun Peng, Chengchung Yang
  • Publication number: 20200209681
    Abstract: The present disclosure relates to a reflective display panel and a manufacturing method thereof and a display device in the field of display technology. The reflective display panel includes: a first substrate and a second substrate which are arranged opposite to each other, and a liquid crystal arranged between the first substrate and the second substrate. The first substrate includes a reflective layer and a photoluminescence layer, and the photoluminescence layer is arranged between the reflective layer and the liquid crystal.
    Type: Application
    Filed: August 11, 2017
    Publication date: July 2, 2020
    Inventors: Yingtao Wang, Jikai Yao
  • Patent number: 10700103
    Abstract: An array substrate, a method for fabricating the same, and a display device are disclosed. The array substrate includes a substrate and a plurality of pixel units on the substrate. Each pixel unit comprises at least a thin film transistor and an ILED. A drain of each thin film transistor is connected with a first pole of each ILED through a first electrode line, and a second pole of each ILED is connected with a second electrode line. Since the ILEDs have the advantages of small size, high brightness, high contrast, lightness of weight, low consumption, wide gamut, high efficiency, long lifetime, quick response or the like, the array substrate onto which the ILEDs are applied by transferring has a high resolution, an improved display effect or the like.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: June 30, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaolong He, Zhifu Li, Zhiyuan Ji, Jikai Yao
  • Publication number: 20200183212
    Abstract: A display panel, a display device, and a method for manufacturing a display panel are provided. The display panel includes first and second substrates, first and second alignment films and a liquid crystal layer extending along a first direction and a second direction and sequentially along a third direction perpendicular to the first direction and the second direction. The liquid crystal layer includes a column of liquid crystal molecules along the third direction, and includes a first liquid crystal molecule closest to the first alignment film and a second liquid crystal molecule closest to the second alignment film. The first liquid crystal molecule and the second liquid crystal molecule have different tilting tendencies with respect to the plane defined by the first direction and the second direction, and form a twist angle.
    Type: Application
    Filed: May 23, 2019
    Publication date: June 11, 2020
    Inventors: Qian JIA, Jaegeon YOU, Xinxing WANG, Jikai YAO
  • Patent number: 10665660
    Abstract: A single-side light-emitting source, a method for manufacturing the same, and a display device are provided. The single-side light-emitting source includes a base substrate; a plurality of light-shielding patterns on the base substrate; a signal transmission pattern covering the plurality of light-shielding patterns; a plurality of first electrodes; an electroluminescent layer on the first electrodes; and a transparent second electrode layer on the electroluminescent layer. In the above single-side light-emitting source, the first electrodes are on the signal transmission pattern, and an orthographic projection of each first electrode onto the base substrate is within an orthographic projection of a corresponding light-shielding pattern onto the base substrate.
    Type: Grant
    Filed: January 22, 2017
    Date of Patent: May 26, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ming Zhu, Xue Dong, Jikai Yao, Guangkui Qin, Xinxing Wang, Jing Lv
  • Patent number: 10613316
    Abstract: Embodiments of the present disclosure provide a MEMS light valve, a pixel array and a display apparatus. The MEMS light valve includes a first grating including first openings arranged in a matrix; a second grating, parallel to the first grating and including light emitting areas corresponding to the first openings, wherein the second grating is capable of moving with respect to the first grating along a shifting direction parallel to the first grating. Light emitting materials which emit lights having certain wavelengths by means of excitation by external lights are provided on the light emitting areas.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: April 7, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bin Zhang, Jikai Yao, Tingting Zhou, Xuefei Sun, Xinxing Wang
  • Publication number: 20200090586
    Abstract: The present disclosure provides a pixel circuit and a driving method thereof, a corresponding array substrate and display device. The pixel circuit comprises: an inorganic electroluminescent device, a scan terminal, a data write terminal, a first level input terminal, a second level input terminal, a gating circuit, a drive circuit, and an energy storage circuit.
    Type: Application
    Filed: August 10, 2017
    Publication date: March 19, 2020
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaolong HE, Zhifu LI, Zhiyuan JI, Jikai YAO
  • Publication number: 20190371238
    Abstract: A pixel circuit, a method for driving the same, a display panel and a display device are provided. The pixel circuit includes a driver transistor, a data writing sub-circuit, an initializing sub-circuit, a voltage prewriting sub-circuit, a threshold compensating sub-circuit, a first light-emission control sub-circuit, a second light-emission control sub-circuit, a capacitor, and a light-emitting element. The voltage prewriting sub-circuit pre-stores voltage of a light-emission supply voltage terminal into the capacitor before the light-emitting element emits light, the magnitude of light-emission current is dependent upon the voltage of the light-emission supply voltage terminal, and independent of the voltage of the first voltage source.
    Type: Application
    Filed: April 22, 2019
    Publication date: December 5, 2019
    Inventors: Xueling Gao, Jikai Yao, Kuanjun Peng, Chengchung Yang
  • Patent number: 10459137
    Abstract: A metal wire grid polarization plate and a manufacturing method thereof, a display panel and a display device are provided. The metal wire grid polarization plate includes a substrate, a light absorption wire grid and a metal wire grid. The light absorption wire grid is disposed on a side of the substrate, and the metal wire grid covers the light absorption wire grid.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: October 29, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ming Zhu, Yafeng Yang, Zhen Liu, Jikai Yao
  • Patent number: 10457498
    Abstract: A transfer device and a transfer method using the same. The transfer device comprises a first conveyance roller, a transfer roller and a second conveyance roller. The transfer roller includes a roller body and stamp contacts formed on and protruded from the roller body. The stamp contacts can absorb elements, axes of the first conveyance roller. The transfer roller and the second conveyance roller are arranged in parallel with each other. The transfer roller is interposed between the first and second conveyance rollers. A first roll gap is formed between the first conveyance roller and the transfer roller to convey a medium substrate, and a second roll gap is formed between the second conveyance roller and the transfer roller to convey a target substrate. The transfer device and method can be used to transfer a great amount of elements to the substrate having large size.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: October 29, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaolong He, Zhifu Li, Zhiyuan Ji, Jikai Yao, Feng Guan
  • Patent number: 10437044
    Abstract: Embodiments of the present disclosure provide a MEMS light valve, which includes: a fixed grating partitioned into first regions and second regions, which are arranged alternately, wherein the fixed grating comprises reflective units configured within the first regions for reflecting at least part of incident light and the second regions do not reflect light; and a movable grating located at a side of the fixed grating to which outside light is incident and movable in a plane where the movable grating is located, wherein the movable grating is capable of block part or all of the reflective units during moving. The embodiments of the present disclosure are adopted to manufacture of a MEMS light valve and a display device including the MEMS light valve.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: October 8, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhen Liu, Feng Guan, Ming Zhu, Jikai Yao
  • Patent number: 10409106
    Abstract: The present disclosure provides a display panel, an operating method thereof and a display device. The display panel includes first substrate and second substrate disposed opposite to each other, liquid crystal layer disposed between first substrate and second substrate, orthogonal polarization layer disposed on a side of first substrate facing towards liquid crystal layer, and first absorbent layer disposed on a side of first substrate facing away from liquid crystal layer. When no electric field is loaded, both liquid crystal layer and orthogonal polarization layer transmit light with first polarization direction. When electric field is loaded, liquid crystal layer converts incident light with first polarization direction into emergent light with second polarization direction which is orthogonal to first polarization direction, and the orthogonal polarization layer reflects the light with the second polarization direction. The first absorbent layer absorbs the light incident thereon.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: September 10, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xinxing Wang, Jikai Yao, Hua Huang
  • Patent number: 10347835
    Abstract: A layer structure, a manufacturing method thereof, a display substrate, a backlight and a display device are provided. The manufacturing method includes forming a layer solution on a substrate (21); solidifying the layer solution by lowering the temperature of the layer solution; and forming the layer structure by removing a solvent in the solidified layer solution via a sublimation process.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: July 9, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Xu, Jikai Yao, Kang Guo
  • Patent number: 10303034
    Abstract: A double-sided display panel and a double-sided display device are provided. The double-sided display panel includes a first substrate, a second substrate, a pair of electrodes, and a color display unit, an isolating reflection layer and a black-and-white display unit which are sequentially provided between the first substrate and the second substrate, wherein the color display unit includes an electrochromic material; the black-and-white display unit includes an electrolytic solution, and black particles and white particles having opposite charges dispersed in the electrolytic solution; the isolating reflection layer has properties of allowing ions in the electrolytic solution to permeation and reflecting light. The double-sided display panel has a simple structure and is easy for production, and displays on both sides do not affect each other and bistable display can be achieved.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: May 28, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xin Gu, Jikai Yao
  • Publication number: 20190131361
    Abstract: Embodiments of the present disclosure provide a display panel, a display and a displaying method. The display panel includes: a first base substrate and a second base substrate arranged to be opposite to each other; a liquid crystal layer between the first base substrate and the second base substrate; and a light emitting device layer for emitting light, a grating layer of partial light transmission and a light converting layer arranged at a side of the second base substrate facing towards the first base substrate.
    Type: Application
    Filed: March 29, 2018
    Publication date: May 2, 2019
    Inventors: Tingting Zhou, Bin Zhang, Jikai Yao, Yang Yang
  • Patent number: 10269596
    Abstract: A transfer device with three transfer bases comprises: a first machine base that carries a substrate; and at least one transfer assembly that is located above the first machine base, wherein the at least one transfer assembly comprises: a second machine base that carries a target device; a third machine base that is located above the second machine base; and a transfer head that is disposed on the third machine base for acquiring the target device from the second machine base and transferring the target device to a prescribed location on the substrate. In this disclosure, since the transfer assembly is located above the first machine base, a path that the transfer head needs to move along to complete the transfer process is shorter, thereby improving the production efficiency.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: April 23, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaolong He, Zhifu Li, Zhiyuan Ji, Jikai Yao
  • Publication number: 20190115410
    Abstract: A single-side light-emitting source, a method for manufacturing the same, and a display device are provided. The single-side light-emitting source includes a base substrate; a plurality of light-shielding patterns on the base substrate; a signal transmission pattern covering the plurality of light-shielding patterns; a plurality of first electrodes; an electroluminescent layer on the first electrodes; and a transparent second electrode layer on the electroluminescent layer. In the above single-side light-emitting source, the first electrodes are on the signal transmission pattern, and an orthographic projection of each first electrode onto the base substrate is within an orthographic projection of a corresponding light-shielding pattern onto the base substrate.
    Type: Application
    Filed: January 22, 2017
    Publication date: April 18, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ming ZHU, Xue DONG, Jikai YAO, Guangkui QIN, Xinxing WANG, Jing LV
  • Publication number: 20190113668
    Abstract: A substrate, a display device and a method for manufacturing the substrate are provided. The substrate includes a base substrate and a wire grid array formed on the base substrate, wherein the wire grid array comprises a plurality of metal patterns arranged in sequence, and a width of a side of each of the metal patterns away from the base substrate is smaller than a width of a side of the metal pattern close to the base substrate.
    Type: Application
    Filed: April 27, 2017
    Publication date: April 18, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingtao WANG, Jikai YAO, Feng GUAN, Tingting ZHOU, Xiaolong HE