Patents by Inventor Bozhi LIU

Bozhi LIU 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: 11101304
    Abstract: A diode and its fabrication method are provided. The diode includes a substrate, a buffer layer on a side of the substrate, a first film layer, a second film layer and a third film layer. The first film layer is a polycrystalline silicon film layer; the second film layer is an amorphous silicon film layer; and the third film layer is one of the polycrystalline silicon film layer and the amorphous silicon film layer. The diode at least includes a first portion, a second portion, a third portion, a first electrode, and a second electrode. The first portion is located in the first film layer; the second portion is located in the second film layer; and the third portion is located in the third film layer. The first electrode is electrically connected to the first portion, and the second electrode is electrically connected to the third portion.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: August 24, 2021
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Bozhi Liu, Xiaoqi Shi, Shoujin Cai, Xuexin Lan, Guozhao Chen
  • Patent number: 11101719
    Abstract: Provided are a method and apparatus for determining motor temperature, and a storage medium. The method includes: obtaining an electromagnetic loss of each node in ? nodes acquired by decomposing components of a motor, wherein the ? is a natural number greater than 1, and at least one component in the components of the motor is decomposed into multiple nodes in the ? nodes; obtaining a thermal resistance between every two nodes in the ? nodes; and determining a temperature of the motor based on the electromagnetic loss of the each node in the ? nodes and the thermal resistance between the every two nodes in the ? nodes.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: August 24, 2021
    Assignee: GUANGZHOU AUTOMOBILE GROUP CO., LTD.
    Inventors: Bozhi Yang, Xiaohui Li, Fei Xiong, Linpei Zhu, Xiong Liu, Jin Shang
  • Patent number: 11062109
    Abstract: A display apparatus and a method for fabricating a display apparatus are provided. The display apparatus includes a backlight module and a display panel opposite to the backlight module. The display panel includes an array substrate and a color film substrate opposite to the array substrate. The array substrate is disposed on a side of the color film substrate away from the backlight module. The color film substrate includes a black matrix. The array substrate includes a plurality of fingerprint identification components; and an orthographic projection of the plurality of fingerprint identification components on the backlight module is within an orthographic projection of the black matrix on the backlight module.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: July 13, 2021
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xiaoqi Shi, Zhipeng Huang, Bozhi Liu, Shoujin Cai, Guozhao Chen
  • Publication number: 20210200980
    Abstract: Provided are a display panel and display device. The display panel includes a display region and a border region. The border region is provided with a display cascade scanning circuit and a fingerprint-identification cascade scanning circuit. The display region is provided with multiple display scanning lines and multiple fingerprint scanning lines. The display cascade scanning circuit is electrically connected to the multiple display scanning lines and configured to output display scanning signals to the multiple display scanning lines respectively. The fingerprint-identification cascade scanning circuit is electrically connected to the multiple fingerprint scanning lines and configured to generate and output fingerprint scanning signals to the multiple fingerprint scanning lines respectively.
    Type: Application
    Filed: May 6, 2020
    Publication date: July 1, 2021
    Inventors: Xiai Xu, Xiaoxiao Wu, Bozhi Liu, Min Huang
  • Publication number: 20210200979
    Abstract: A display panel includes an array substrate, a protective cover, a fingerprint identification circuit, and an optical structure. The array substrate and the protective cover are disposed oppositely, where the protective cover is located at a light exiting side of the array substrate. The fingerprint identification circuit is located at a side of the array substrate facing away or toward the protective cover and is configured to receive detection light and perform a fingerprint detection according to the detection light. The optical structure is located at a side of the protective cover facing away from the array substrate and is configured to increase a reflection amount of the detection light received by the fingerprint identification circuit.
    Type: Application
    Filed: June 9, 2020
    Publication date: July 1, 2021
    Inventors: Fuyin LIN, Shaoting LIN, Hailiang WANG, Bozhi LIU
  • Patent number: 10976623
    Abstract: An array substrate and a display device are disclosed. The array substrate includes a display region including a first display region and an optical device arranging region. The first display region at least partly surrounds the optical device arranging region. The array substrate further includes a base substrate; an optical device, a shielding structure and a signal line arranged on the base substrate. The optical device and the shielding structure are located in the optical device arranging region, the optical device has an opening for receiving light, and orthographic projections of the opening and the shielding structure on the base substrate have no overlap. The shielding structure extends in a first direction, the signal line extends in a second direction, the first direction intersects with the second direction, the shielding structure includes at least two subsections, and the signal line is correspondingly arranged in a gap between two adjacent subsections.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: April 13, 2021
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xu Yang, Bozhi Liu, Guozhao Chen
  • Patent number: 10962850
    Abstract: The present disclosure provides an array substrate, a display panel, and a display device. The array substrate includes a base substrate; a first light-shielding layer, disposed on a side of the base substrate; a light-sensitive structure, disposed on the side of the first light-shielding layer away from the base substrate; a second light-shielding layer, disposed on the side of the light-sensitive structure facing away from the base substrate; and a light-shielding structure, disposed between the first light-shielding layer and the second light-shielding layer. The orthogonal projection of the light-shielding structure surrounds the orthogonal projection of the light-sensitive structure. In the direction perpendicular to the base substrate, the light-shielding structure includes a first light-shielding section and a second light-shielding section.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: March 30, 2021
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xu Yang, Bozhi Liu, Guozhao Chen
  • Patent number: 10788915
    Abstract: The present disclosure provides a force sensor, a display panel, and a force detection method. The force sensor includes a first input terminal, a second input terminal, a first output terminal, and a second output terminal. A first resistor is connected between the first input terminal and the first output terminal. A first transistor and a second transistor are connected in parallel between the first output terminal and the second input terminal. A third transistor and a fourth transistor are connected in parallel between the second input terminal and the second output terminal. A further first resistor is connected between the second output terminal and the first input terminal. An equivalent resistance of the first transistor is equal to that of the fourth transistor, and an equivalent resistance of the second transistor is equal to that of the third transistor.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: September 29, 2020
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xuexin Lan, Bozhi Liu, Guozhao Chen
  • Publication number: 20200212081
    Abstract: A diode and its fabrication method are provided. The diode includes a substrate, a buffer layer on a side of the substrate, a first film layer, a second film layer and a third film layer. The first film layer is a polycrystalline silicon film layer; the second film layer is an amorphous silicon film layer; and the third film layer is one of the polycrystalline silicon film layer and the amorphous silicon film layer. The diode at least includes a first portion, a second portion, a third portion, a first electrode, and a second electrode. The first portion is located in the first film layer; the second portion is located in the second film layer; and the third portion is located in the third film layer. The first electrode is electrically connected to the first portion, and the second electrode is electrically connected to the third portion.
    Type: Application
    Filed: October 15, 2019
    Publication date: July 2, 2020
    Inventors: Bozhi LIU, Xiaoqi SHI, Shoujin CAI, Xuexin LAN, Guozhao CHEN
  • Patent number: 10691247
    Abstract: Provided are a display panel and an electronic device, and the display panel includes: shift registers, pressure detecting units and switching circuits; the switching circuit includes a first switching transistor and a second switching transistor, and a control terminal of the first switching transistor is electrically connected with an outputting terminal of one of the shift registers and an inputting terminal of the first switching transistor is electrically connected to a first outputting terminal of the corresponding pressure detecting unit, and a control terminal of the second switching transistor is electrically connected to an outputting terminal of one of the shift registers and an inputting terminal of the second switching transistor is electrically connected to a second outputting terminal of corresponding pressure detecting unit.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: June 23, 2020
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xuanxian Cai, Bozhi Liu
  • Publication number: 20200193126
    Abstract: A display apparatus and a method for fabricating a display apparatus are provided. The display apparatus includes a backlight module and a display panel opposite to the backlight module. The display panel includes an array substrate and a color film substrate opposite to the array substrate. The array substrate is disposed on a side of the color film substrate away from the backlight module. The color film substrate includes a black matrix. The array substrate includes a plurality of fingerprint identification components; and an orthographic projection of the plurality of fingerprint identification components on the backlight module is within an orthographic projection of the black matrix on the backlight module.
    Type: Application
    Filed: August 30, 2019
    Publication date: June 18, 2020
    Inventors: Xiaoqi SHI, Zhipeng HUANG, Bozhi LIU, Shoujin CAI, Guozhao CHEN
  • Patent number: 10665631
    Abstract: A display panel includes an array substrate and a color film substrate. The array substrate includes a plurality of light-sensing elements. The color film substrate includes a first substrate, a first light-shielding layer, and at least one second light-shielding layer. The first light-shielding layer is located on a side of the first substrate adjacent to the array substrate, and includes a plurality of first hollowed regions. The at least one second light-shielding layer is located on a side of the first light-shielding layer adjacent to the array substrate, and includes a plurality of second hollowed regions. In a direction perpendicular to the first substrate, orthogonal projections of the plurality of first hollowed regions, the plurality of second hollowed regions, and the plurality of light-sensing elements overlap with each other. A first flat layer is disposed between the first light-shielding layer and the at least one second light-shielding layer.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: May 26, 2020
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xuanxian Cai, Bozhi Liu, Guozhao Chen
  • Publication number: 20200124932
    Abstract: An array substrate and a display device are disclosed. The array substrate includes a display region including a first display region and an optical device arranging region. The first display region at least partly surrounds the optical device arranging region. The array substrate further includes a base substrate; an optical device, a shielding structure and a signal line arranged on the base substrate. The optical device and the shielding structure are located in the optical device arranging region, the optical device has an opening for receiving light, and orthographic projections of the opening and the shielding structure on the base substrate have no overlap. The shielding structure extends in a first direction, the signal line extends in a second direction, the first direction intersects with the second direction, the shielding structure includes at least two subsections, and the signal line is correspondingly arranged in a gap between two adjacent subsections.
    Type: Application
    Filed: December 23, 2019
    Publication date: April 23, 2020
    Inventors: Xu YANG, Bozhi Liu, Guozhao Chen
  • Publication number: 20190286271
    Abstract: The present disclosure provides a force sensor, a display panel, and a force detection method. The force sensor includes a first input terminal, a second input terminal, a first output terminal, and a second output terminal. A first resistor is connected between the first input terminal and the first output terminal. A first transistor and a second transistor are connected in parallel between the first output terminal and the second input terminal. A third transistor and a fourth transistor are connected in parallel between the second input terminal and the second output terminal. A further first resistor is connected between the second output terminal and the first input terminal. An equivalent resistance of the first transistor is equal to that of the fourth transistor, and an equivalent resistance of the second transistor is equal to that of the third transistor.
    Type: Application
    Filed: December 10, 2018
    Publication date: September 19, 2019
    Inventors: Xuexin LAN, Bozhi LIU, Guozhao CHEN
  • Patent number: 10409119
    Abstract: A special-shaped display panel having a display area and a peripheral area, including: a peripheral light-shading layer at least partially located in the peripheral area and defining the display area; and a plurality of edge pixels, each of the edge pixels comprising an aperture portion located in the display area, and a light-shading portion located in the peripheral area and covered by the peripheral light-shading layer an area of the aperture portion of each edge pixel is defined as S, a transmittance of each edge pixel is defined as T, it is further defined that M=S*T, and the M values of the edge pixels are identical. Such solution improves the edge color cast problem of special-shaped display panel, makes the color displayed at the edge of the special-shaped display panel uniform, and improves the visual effect of the edge of the display panel.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: September 10, 2019
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Bozhi Liu, Xiaoxiao Wu, Guozhao Chen
  • Patent number: 10295871
    Abstract: A liquid crystal display panel and a liquid crystal display device are provided. The liquid crystal display panel comprises a first substrate, a second substrate, a liquid crystal layer sandwiched between the first and second substrate, and an auxiliary electrode. The first substrate includes a plurality of gate electrode lines and a plurality of data lines intersected to define a plurality of pixel units. Each pixel unit corresponds to a pixel electrode and a common electrode. In each region corresponding to one pixel unit, the pixel electrode and the common electrode are configured to form an electric field that drives the liquid crystal layer. A vertical projection of the auxiliary electrode on the first substrate covers an area where the electric field is formed by the pixel electrode and the common electrode, and a thickness of the liquid crystal layer is less than or equal to 3.2 ?m.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: May 21, 2019
    Assignees: Xiamen Tianma Micro-Electronics Co., Ltd., Tianma Micro-Electronics Co., Ltd.
    Inventors: Binbin Chen, Bozhi Liu, Bingping Liu
  • Publication number: 20190011786
    Abstract: A special-shaped display panel having a display area and a peripheral area, including: a peripheral light-shading layer at least partially located in the peripheral area and defining the display area; and a plurality of edge pixels, each of the edge pixels comprising an aperture portion located in the display area, and a light-shading portion located in the peripheral area and covered by the peripheral light-shading layer an area of the aperture portion of each edge pixel is defined as S, a transmittance of each edge pixel is defined as T, it is further defined that M=S*T, and the M values of the edge pixels are identical. Such solution improves the edge color cast problem of special-shaped display panel, makes the color displayed at the edge of the special-shaped display panel uniform, and improves the visual effect of the edge of the display panel.
    Type: Application
    Filed: December 7, 2017
    Publication date: January 10, 2019
    Inventors: Bozhi LIU, Xiaoxiao WU, Guozhao CHEN
  • Patent number: 10168850
    Abstract: A display panel and a display device are disclosed. The display panel includes at least one notch which includes a protrusion structure. A non-display region includes at least one first non-display region arranged along edges of the protrusion structure. At least one first pressure sensor is provided in the first non-display region. An included angle between a first strain detection direction of the first pressure sensor and a first edge of the display panel is greater than or equal to 65 degrees and less than or equal to 115 degrees. An included angle between a second strain detection direction and the first edge of the display panel is greater than or equal to ?25 degrees and less than or equal to 0 degree. A control chip is provided in the non-display region, and the first edge is an edge of the display panel close to the control chip.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: January 1, 2019
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Bozhi Liu, Xu Yang
  • Publication number: 20180188877
    Abstract: Provided are a display panel and an electronic device, and the display panel includes: shift registers, pressure detecting units and switching circuits; the switching circuit includes a first switching transistor and a second switching transistor, and a control terminal of the first switching transistor is electrically connected with an outputting terminal of one of the shift registers and an inputting terminal of the first switching transistor is electrically connected to a first outputting terminal of the corresponding pressure detecting unit, and a control terminal of the second switching transistor is electrically connected to an outputting terminal of one of the shift registers and an inputting terminal of the second switching transistor is electrically connected to a second outputting terminal of corresponding pressure detecting unit.
    Type: Application
    Filed: February 23, 2018
    Publication date: July 5, 2018
    Inventors: Xuanxian CAI, Bozhi Liu
  • Publication number: 20180173347
    Abstract: A display panel and a display device are disclosed. The display panel includes at least one notch which includes a protrusion structure. A non-display region includes at least one first non-display region arranged along edges of the protrusion structure. At least one first pressure sensor is provided in the first non-display region. An included angle between a first strain detection direction of the first pressure sensor and a first edge of the display panel is greater than or equal to 65 degrees and less than or equal to 115 degrees. An included angle between a second strain detection direction and the first edge of the display panel is greater than or equal to ?25 degrees and less than or equal to 0 degree. A control chip is provided in the non-display region, and the first edge is an edge of the display panel close to the control chip.
    Type: Application
    Filed: February 8, 2018
    Publication date: June 21, 2018
    Inventors: Bozhi Liu, Xu Yang