Patents by Inventor Guanghui Liu

Guanghui 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).

  • Publication number: 20220155627
    Abstract: A display panel is provided. The display panel comprises a display screen, a first backlight module, a second backlight module, and a fingerprint sensor, wherein the second backlight module has a fingerprint identification mode and a display mode. In the fingerprint identification mode, light reaches the fingerprint sensor through the second backlight module for fingerprint identification, and in the display mode, the first backlight module and the second backlight module provide uniform backlight to the display screen, thus realizing compatibility of functions of under-screen fingerprint identification and display.
    Type: Application
    Filed: August 26, 2020
    Publication date: May 19, 2022
    Inventors: Xindong MEI, Shaojun HOU, Chao WANG, Guanghui LIU, He JIANG, Quan TANG
  • Patent number: 11307453
    Abstract: A display panel and a display device are provided. The display panel includes a display area including a transparent display area and an opaque display area surrounding the transparent display area. In the display area, the display panel also includes a backlight and a liquid crystal display panel. The backlight includes a first through hole corresponding to the transparent display area. The liquid crystal display panel is disposed over the backlight. The liquid crystal display panel includes a driving layer and a liquid crystal layer. The driving layer includes a first driving circuit and a second driving circuit. The liquid crystal layer includes a first liquid crystal region corresponding to the transparent display area and a second liquid crystal region corresponding to the opaque display area. The first driving circuit corresponds to the first liquid crystal region. The second driving circuit corresponds to the second liquid crystal region.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: April 19, 2022
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Yuan Sun, Chao Wang, Guanghui Liu
  • Publication number: 20220113589
    Abstract: A display device is provided, including a backlight module, a liquid crystal cell, a light guide body, a light-emitting unit, and a camera unit. The backlight module includes a backlight section and a through hole section, and the backlight section surrounds at least a portion of the through hole section. The liquid crystal cell is disposed on the backlight module. The light guide body is disposed in the through hole section. The light-emitting unit is disposed on a light incident surface of the light guide body. The camera unit is disposed on a first surface of the light guide body. The display device and a corresponding part of an opening area cannot display an image correctly, which is prevented.
    Type: Application
    Filed: March 27, 2020
    Publication date: April 14, 2022
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: PENG ZHANG, GUANGHUI LIU, CHAO WANG
  • Patent number: 11300828
    Abstract: A display device including a display panel and a backlight module are provided. The backlight module includes a backlight unit having a backlight hole; a light guide ring disposed inside the backlight hole, wherein the light guide ring comprises a light receiving surface provided away from the display panel and a light emitting surface provided near the display panel, and the light guide ring is configured to direct light beams to a display panel area corresponding to the backlight hole; and a light source component configured to provide a light source for the light guide ring.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: April 12, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Peng Zhang, Guanghui Liu, Chao Wang
  • Patent number: 11294227
    Abstract: A display device is provided to include a backlight module and a display module disposed on the backlight module. The backlight module is provided with a first via hole, and a lighting member is disposed in the first via hole, and a maximum cross-section of the first via hole corresponds to a lighting area of the display device. A first light source and a light guide member are further disposed in the lighting area, and the first light source and the light guide member surround the lighting member.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: April 5, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shaojun Hou, Xindong Mei, Chao Wang, Guanghui Liu, Zhifu Li
  • Patent number: 11287557
    Abstract: A backlight module and a liquid crystal display are provided. The backlight module realizes a narrow border of the backlight module by arranging a light source between a first protrusion portion of a support part and a light incident surface of a light guide plate. The backlight module cooperates with the liquid crystal display panel having a second protrusion portion and second notches of a stepped area, and a flexible printed circuit board passes through the second notches of the liquid crystal display panel and the first notches of the backlight module.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: March 29, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Peng Zhang, Guanghui Liu, Chao Wang
  • Patent number: 11287690
    Abstract: A display panel and a display device are provided. The display panel includes a display area including a transparent display area and an opaque display area surrounding the transparent display area. The display panel further includes a first substrate layer, a luminous layer, a liquid crystal layer, a first driving layer, and a second driving layer. The display panel is divided into the transparent display area and the opaque display area by combining an organic light-emitting diode technology and a liquid crystal display technology, such that the transparent display area can provide a light channel for a camera and can also display an image, thereby improving a screen-to-body ratio and realizing a real full-screen display.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: March 29, 2022
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Yuan Sun, Chao Wang, Guanghui Liu
  • Patent number: 11287556
    Abstract: A backlight module and a display device, by disposing backlight concave sections on a light source lateral side of a back frame in the backlight module, the backlight concave sections and panel concave sections on a display panel correspond to one another. During assembling, part of sections of a flexible electric circuit board is bent to back of the backlight module through an edge of the panel concave section and the backlight concave sections to reduce a size of a bottom bezel of the display device, which improves the screen-to-body ratio of the display device.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: March 29, 2022
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Peng Zhang, Chao Wang, Guanghui Liu, Yantao Lu
  • Publication number: 20220050329
    Abstract: A display panel and a display device are provided. The display panel includes a display area including a transparent display area and an opaque display area surrounding the transparent display area. In the display area, the display panel also includes a backlight and a liquid crystal display panel. The backlight includes a first through hole corresponding to the transparent display area. The liquid crystal display panel is disposed over the backlight. The liquid crystal display panel includes a driving layer and a liquid crystal layer. The driving layer includes a first driving circuit and a second driving circuit. The liquid crystal layer includes a first liquid crystal region corresponding to the transparent display area and a second liquid crystal region corresponding to the opaque display area. The first driving circuit corresponds to the first liquid crystal region. The second driving circuit corresponds to the second liquid crystal region.
    Type: Application
    Filed: September 30, 2019
    Publication date: February 17, 2022
    Inventors: YUAN SUN, CHAO WANG, GUANGHUI LIU
  • Publication number: 20220045024
    Abstract: A driving chip and a display panel are provided. The display panel includes the driving chip, and a plurality of first bonding pads and a plurality of second bonding pads disposed at two opposite sides out of the driving chip. The driving chip includes a group of first input leads and a group of second input leads. There is an interval between the group of first input leads and the group of second input leads. The group of first input leads is disposed near the first bonding pads, and the group of second input leads is disposed near the second bonding pads.
    Type: Application
    Filed: October 24, 2021
    Publication date: February 10, 2022
    Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Yantao LU, Guanghui LIU, Chao WANG
  • Patent number: 11233021
    Abstract: An array substrate, a display panel, and a display device. The array substrate includes a substrate. The substrate has a display area and a non-display area adjacent to the display area, and the non-display area of the substrate has a first notch away from an end of the display area. A first edge of the first notch disposed near the display area of the substrate is provided with a binding area. The display device has a narrow border and a high screen ratio.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: January 25, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yantao Lu, Guanghui Liu, Chao Wang
  • Publication number: 20210405407
    Abstract: The present application provides a liquid crystal display panel, a liquid crystal display device, and an electronic device. By removing portions of a first polarizer and a second polarizer of the liquid crystal display panel that corresponds to a light-transmitting area, light can be transmitted in the light-transmitting area of the liquid crystal display panel. In addition, by setting a first liquid crystal layer in the light-transmitting area of the liquid crystal display panel to allow a portion of the liquid crystal display panel corresponding to the light-transmitting area in a display state.
    Type: Application
    Filed: January 3, 2020
    Publication date: December 30, 2021
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yuan SUN, Xindong MEI, Chao WANG, Guanghui LIU, He JIANG, Quan TANG, Zhifu LI
  • Publication number: 20210405448
    Abstract: A display device is provided to include a backlight module and a display module disposed on the backlight module. The backlight module is provided with a first via hole, and a lighting member is disposed in the first via hole, and a maximum cross-section of the first via hole corresponds to a lighting area of the display device. A first light source and a light guide member are further disposed in the lighting area, and the first light source and the light guide member surround the lighting member.
    Type: Application
    Filed: February 28, 2020
    Publication date: December 30, 2021
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shaojun HOU, Xindong MEI, Chao WANG, Guanghui LIU, Zhifu LI
  • Publication number: 20210405447
    Abstract: A display panel and a display device are provided. The display panel includes a display area including a transparent display area and an opaque display area surrounding the transparent display area. The display panel further includes a first substrate layer, a luminous layer, a liquid crystal layer, a first driving layer, and a second driving layer. The display panel is divided into the transparent display area and the opaque display area by combining an organic light-emitting diode technology and a liquid crystal display technology, such that the transparent display area can provide a light channel for a camera and can also display an image, thereby improving a screen-to-body ratio and realizing a real full-screen display.
    Type: Application
    Filed: September 30, 2019
    Publication date: December 30, 2021
    Inventors: YUAN SUN, CHAO WANG, GUANGHUI LIU
  • Publication number: 20210405422
    Abstract: A display panel and a display device are provided. The display panel includes an array substrate and a color filter substrate. A plurality of drive chips are arranged at intervals and sequentially connected in series in a stepped region of the array substrate. The drive chip includes an input pin and an output pin. The lower frame of the display screen may be reduced, and the screen occupancy ratio of the display screen may be increased by disposing the input pins of the drive chip on one edge of the drive chip, and disposing the flexible circuit board on at least one edge of two edges of the drive chip.
    Type: Application
    Filed: July 22, 2020
    Publication date: December 30, 2021
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yantao LU, Zhifu LI, Jianfeng YUAN, Guanghui LIU, Chao WANG
  • Patent number: 11189584
    Abstract: A driving chip and a display panel are provided. The display panel includes the driving chip, and a plurality of first bonding pads and a plurality of second bonding pads disposed at two opposite sides of the driving chip. The driving chip includes a group of first input leads and a group of second input leads. There is an interval between the group of first input leads and the group of second input leads. The group of first input leads is disposed near the first bonding pads, and the group of second input leads is disposed near the second bonding pads.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: November 30, 2021
    Assignee: Wuhan China Star Optoeleetronies Technology Co., Ltd.
    Inventors: Yantao Lu, Guanghui Liu, Chao Wang
  • Publication number: 20210341662
    Abstract: A backlight module and a display device, by disposing backlight concave sections on a light source lateral side of a back frame in the backlight module, the backlight concave sections and panel concave sections on a display panel correspond to one another. During assembling, part of sections of a flexible electric circuit board is bent to back of the backlight module through an edge of the panel concave section and the backlight concave sections to reduce a size of a bottom bezel of the display device, which improves the screen-to-body ratio of the display device.
    Type: Application
    Filed: October 15, 2019
    Publication date: November 4, 2021
    Inventors: PENG ZHANG, CHAO WANG, GUANGHUI LIU, YANTAO LU
  • Patent number: 11163194
    Abstract: The present invention provides a display panel and a display device. The display panel includes a display unit and a backlight module, wherein the display panel includes a main display area and a additional function area. The backlight module includes a first light source block providing a light source for the main display area, and a second light source block providing a light source for the functional additional area.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: November 2, 2021
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Xindong Mei, Shaojun Hou, Chao Wang, Guanghui Liu
  • Publication number: 20210333633
    Abstract: A backlight module and a display device are provided, which include a camera area and a backlight area, wherein the backlight area surrounds the camera area, the camera area includes a transparent illumination area and a non-transparent illumination area, and the non-transparent illumination area surrounds the transparent illumination area; and the light board is disposed in the non-transparent illumination area and the at least one light bead is disposed on a light board. In the display mode, the camera area obtains a uniform light source, so as to realize the camera area of the display device which can be displayed normally in the displaying mode, and achieve a true 100% screen ratio. In a lighting mode of the camera module, the light source of the light bead is turned off to avoid affecting the collecting operation of the camera module.
    Type: Application
    Filed: May 13, 2019
    Publication date: October 28, 2021
    Inventors: Xindong MEI, Shaojun HOU, Chao WANG, Guanghui LIU
  • Publication number: 20210335855
    Abstract: A display panel and method of manufacturing the same are provided. The method of manufacturing the display panel includes the steps of providing a substrate, forming a gate on the substrate, forming a gate insulating layer on the gate and the substrate, forming a polysilicon layer on the gate insulating layer, performing a first gray-scale mask process on the polysilicon layer to form a source region, a drain region and an active region located between the source region and the drain region by the polysilicon layer, forming an interlayer dielectric layer on the gate insulating layer and the polysilicon layer, forming a first electrode layer on the interlayer dielectric layer, performing a second gray-scale mask process on the first electrode layer and the interlayer dielectric layer.
    Type: Application
    Filed: September 25, 2018
    Publication date: October 28, 2021
    Inventors: Chao WANG, Guanghui LIU, Yuan YAN