Patents by Inventor Guozhao Chen

Guozhao Chen 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: 11980068
    Abstract: A display panel and a display device are provided in the present disclosure. The display panel includes a first display region and a second display region which are adjacently arranged. A light transmittance of the first display region is greater than a light transmittance of the second display region. The display panel further includes a plurality of scan lines and a plurality of data lines extending along the second direction. One first sub-pixel row is electrically connected to at least two of the plurality of scan lines. The plurality of data lines includes first data lines, where one of the first data lines is electrically connected to the first sub-pixel column, and at least a part of the first data lines is made of a transparent conductive material. In the first display region, at least two of the first data lines are connected through a connection line.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: May 7, 2024
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Bingping Liu, Junyi Li, Guozhao Chen
  • Patent number: 11594063
    Abstract: Provided are a display module and a display apparatus. The display module includes: sub-pixels arranged in an array along a first direction and a second direction; and an array substrate including an underlay substrate, a fingerprint recognition unit, and a first light-shielding layer. The fingerprint recognition unit includes a photosensitive semiconductor layer, and an orthographic projection of the photosensitive semiconductor layer on a plane of the underlay substrate is located between two adjacent sub-pixels along the second direction. The first light-shielding layer is located on a side of the photosensitive semiconductor layer close to the underlay substrate, and an orthographic projection of the first light-shielding layer on a plane of the photosensitive semiconductor layer completely covers the photosensitive semiconductor layer, and along the first direction, a length of the first light-shielding layer is larger than or equal to twice a length of each of the plurality of sub-pixels.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: February 28, 2023
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd
    Inventors: Bingping Liu, Xiaoxiao Wu, Guozhao Chen
  • Patent number: 11437447
    Abstract: Provided are a display device and a manufacturing method thereof. The display device includes an organic light-emitting display panel and a fingerprint identification assembly disposed on a non-light-emitting display side of the organic light-emitting display panel. The fingerprint identification assembly includes a first substrate, a fingerprint identification unit and a light-shielding structure. The fingerprint identification unit and the light-shielding structure are disposed on a same side of the first substrate.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: September 6, 2022
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Bingping Liu, Xiaoxiao Wu, Guozhao Chen
  • Publication number: 20220173195
    Abstract: A display panel and a display device are provided in the present disclosure. The display panel includes a first display region and a second display region which are adjacently arranged. A light transmittance of the first display region is greater than a light transmittance of the second display region. The display panel further includes a plurality of scan lines and a plurality of data lines extending along the second direction. One first sub-pixel row is electrically connected to at least two of the plurality of scan lines. The plurality of data lines includes first data lines, where one of the first data lines is electrically connected to the first sub-pixel column, and at least a part of the first data lines is made of a transparent conductive material. In the first display region, at least two of the first data lines are connected through a connection line.
    Type: Application
    Filed: February 10, 2021
    Publication date: June 2, 2022
    Inventors: Bingping LIU, Junyi LI, Guozhao CHEN
  • Patent number: 11200399
    Abstract: Provided are a display panel and a driving method of a display panel. The display panel includes a substrate, a sub-pixel array located on the substrate, and at least one fingerprint identification unit group; each of the at least one fingerprint identification unit group includes a first fingerprint identification unit and a second fingerprint identification unit; the first fingerprint identification unit, which is in the fingerprint identification unit group to which the second fingerprint identification unit belongs, is electrically connected to the pixel circuit of at least one sub-pixel which is peripheral to the second fingerprint identification unit; the first fingerprint identification unit is configured to adjust, in a first fingerprint identification phase, the at least one sub-pixel electrically connected to the first fingerprint identification unit from a first luminance to a second luminance.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: December 14, 2021
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Xu Yang, Bozhi Liu, Xiai Xu, Guozhao Chen
  • Patent number: 11100306
    Abstract: A display panel and a display device are provided in the present disclosure. The display panel includes a display region and a non-display region surrounding the display region. The display region includes a plurality of fingerprint recognition units. The non-display region includes a drive chip and Q first gate drive circuits, where the drive chip includes a first encoding circuit including M signal output terminals. The non-display region further includes a first decoding circuit and M first signal lines. The first decoding circuit includes M signal input terminals and N signal output terminals, where 1?M<Q?N, and M, Q, N are positive integers. A signal output terminal of the first encoding circuit is electrically connected to a corresponding signal input terminal of the first decoding circuit through one first signal line; and each first gate drive circuit is connected to one signal output terminal of the first decoding circuit correspondingly.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: August 24, 2021
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Xiaoxiao Wu, Jiaqian Wu, Min Huang, Guozhao Chen
  • 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
  • Publication number: 20210225948
    Abstract: Provided are a display device and a manufacturing method thereof. The display device includes an organic light-emitting display panel and a fingerprint identification assembly disposed on a non-light-emitting display side of the organic light-emitting display panel. The fingerprint identification assembly includes a first substrate, a fingerprint identification unit and a light-shielding structure. The fingerprint identification unit and the light-shielding structure are disposed on a same side of the first substrate.
    Type: Application
    Filed: March 16, 2021
    Publication date: July 22, 2021
    Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Bingping Liu, Xiaoxiao Wu, Guozhao Chen
  • 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: 20210157429
    Abstract: An array substrate and a display panel including the array substrate are provided. The array substrate has a display area and a fan-shaped wiring area. A first metal layer, a second metal layer, and a third metal layer are arranged in both the display area and the fan-shaped wiring area, and a fourth metal layer is arranged in the fan-shaped wiring area. In the display area, the first metal layer includes gate lines, the second metal layer includes data lines, and the third metal layer includes touch lines. Fingerprint identification signal lines are arranged in the fan-shaped wiring area and are electrically connected to fingerprint identification units arranged in the display area. The fourth metal layer arranged in the fan-shaped wiring area includes at least one of the fingerprint identification signal lines, which avoids too many fingerprint identification signal lines being arranged in the same layer with other signal lines.
    Type: Application
    Filed: March 20, 2020
    Publication date: May 27, 2021
    Applicant: Xiamen TianMa Micro-Electronics CO., LTD.
    Inventors: Xiaoxiao WU, Xiai XU, Guozhao CHEN
  • Patent number: 11003302
    Abstract: An array substrate and a display panel including the array substrate are provided. The array substrate has a display area and a fan-shaped wiring area. A first metal layer, a second metal layer, and a third metal layer are arranged in both the display area and the fan-shaped wiring area, and a fourth metal layer is arranged in the fan-shaped wiring area. In the display area, the first metal layer includes gate lines, the second metal layer includes data lines, and the third metal layer includes touch lines. Fingerprint identification signal lines are arranged in the fan-shaped wiring area and are electrically connected to fingerprint identification units arranged in the display area. The fourth metal layer arranged in the fan-shaped wiring area includes at least one of the fingerprint identification signal lines, which avoids too many fingerprint identification signal lines being arranged in the same layer with other signal lines.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: May 11, 2021
    Assignee: Xiamen TianMa Micro-Electronics CO., LTD.
    Inventors: Xiaoxiao Wu, Xiai Xu, Guozhao Chen
  • Publication number: 20210133418
    Abstract: Provided are a display module and a display apparatus. The display module includes: sub-pixels arranged in an array along a first direction and a second direction; and an array substrate including an underlay substrate, a fingerprint recognition unit, and a first light-shielding layer. The fingerprint recognition unit includes a photosensitive semiconductor layer, and an orthographic projection of the photosensitive semiconductor layer on a plane of the underlay substrate is located between two adjacent sub-pixels along the second direction. The first light-shielding layer is located on a side of the photosensitive semiconductor layer close to the underlay substrate, and an orthographic projection of the first light-shielding layer on a plane of the photosensitive semiconductor layer completely covers the photosensitive semiconductor layer, and along the first direction, a length of the first light-shielding layer is larger than or equal to twice a length of each of the plurality of sub-pixels.
    Type: Application
    Filed: December 30, 2019
    Publication date: May 6, 2021
    Applicant: Xiamen Tianma Micro-Electronics Co.,Ltd
    Inventors: Bingping LIU, Xiaoxiao WU, Guozhao CHEN
  • Patent number: 10976845
    Abstract: An array substrate, a touch display panel and a touch display device are provided. In the array substrate, the number of inverters in a second buffer unit is smaller than the number of inverters in a first buffer unit, or a size of an inverter in the second buffer unit is smaller than a size of an inverter in the first buffer unit, or the number of inverters in the second buffer unit is smaller than the number of inverters in the first buffer unit and the size of the inverter in the second buffer unit is smaller than the size of the inverter in the first buffer unit.
    Type: Grant
    Filed: November 11, 2018
    Date of Patent: April 13, 2021
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yu Wang, Zhenqing Xie, Ying Sun, Bingping Liu, Yumin Xu, Guozhao Chen, Min Huang
  • 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: 10861370
    Abstract: Provided are a driving circuit and driving method for a display panel, and a display device. The driving method of a display panel includes that: the display panel includes a base substrate, a plurality of data lines and a plurality of scanlines; the plurality of data lines and the plurality of scanlines intersect to define a plurality of sub-pixels; each of pixel units is formed by adjacent N sub-pixels, a data line group is formed by every X data lines of the plurality of data lines connected to M columns of the pixel units, and the data line group is connected to a data signal output line through a multiplexer; the method further includes: controlling, through the multiplexer, data lines in a same data line group and corresponding to sub-pixels of a same color to continuously input data signals.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: December 8, 2020
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Bingping Liu, Zhenqing Xie, Guozhao Chen
  • Patent number: 10860057
    Abstract: A display panel and a display apparatus thereof are provided. An exemplary display panel includes a display region and a non-display region surrounding the display region. The non-display region includes at least one first groove and a bonding region. Along a thickness direction of the display panel, the at least one first groove penetrates through the display panel. The at least one first groove and the bonding region are disposed at a same side of the display region.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: December 8, 2020
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xiaoxiao Wu, Xiai Xu, Bingping 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
  • Patent number: 10732752
    Abstract: The present disclosure provides a display panel and a display device, including: a display area and a non-display area, that the display area includes data lines, and the non-display area includes a binding area including conductive pads; a multiplex distribution circuit including demultiplexers, that each of demultiplexers includes: one input terminal, N output terminals, N first switching elements; and connecting lines. The one input terminal and the conductive pads are electrically connected, and the N output terminals are electrically connected to the data lines. First electrodes of the N first switching elements are electrically connected to the one input terminal, and second electrodes are electrically connected to the N output terminals. The demultiplexers include at least one first demultiplexer. The N First switching elements of the at least one first demultiplexer are disposed in the display area. N is a positive integer and N?2.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: August 4, 2020
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yihua Zhu, Xiai Xu, Bingping 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