Patents by Inventor Guowei Zha

Guowei Zha 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: 20220003388
    Abstract: The present invention provides a backlight module, a display device, and a backlight module manufacturing method. The backlight module includes a reinforcing plate, a back adhesive, a plurality of light boards spliced with one another, and a fluorescent film. Back adhesive splicing gaps in the back adhesive are staggered with light board splicing gaps. The backlight module manufacturing method includes steps as follows: providing a reinforcing plate; manufacturing a back adhesive on the reinforcing plate; splicing a plurality of light boards on the back adhesive; and manufacturing a fluorescent film on the light boards.
    Type: Application
    Filed: November 8, 2019
    Publication date: January 6, 2022
    Inventors: Fancheng LIU, Guowei ZHA, Chunhung HUANG
  • Publication number: 20220005920
    Abstract: A display panel, including a main display area and a light-transmitting display area; wherein the main display area surrounds the light-transmitting display area; the display panel includes: a substrate; an organic electroluminescent element array, including a plurality of organic electroluminescent elements disposed on the substrate; the driving circuit array is disposed on the substrate and is adapted to be matched with a high voltage source and a low voltage source for driving each of the organic light-emitting electroluminescent elements; wherein in the transparent display area, the driving circuit array includes a passive driving circuit array; the passive driving circuit array is configured to drive the organic electroluminescent element of the light-transmitting display area to display.
    Type: Application
    Filed: October 15, 2019
    Publication date: January 6, 2022
    Inventor: Guowei ZHA
  • Patent number: 11215884
    Abstract: A display panel and a display device are provided. The display panel includes a backlight module, a light-control liquid crystal cell, a collimating film layer, and a display liquid crystal cell stacked from bottom to top. The collimating film layer is configured to limit transmission of scattered light beams with large angle. The display device includes the abovementioned display panel.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: January 4, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yong Yang, Guowei Zha, Guiyang Zhang
  • Publication number: 20210404630
    Abstract: The present disclosure provides a backlight module and a method of manufacturing the backlight module. Through splicing a light panel on a reinforcing plate and fixing with a double-sided tape, and then performing a membrane pressure press or a casting process to the backlight module, forms a fluorescent film of mini-LED as a whole surface structure, in a bid to prevent waveguide blocking light in propagation of the fluorescent film, thereby improving a problem of splicing dark line.
    Type: Application
    Filed: November 8, 2019
    Publication date: December 30, 2021
    Inventors: Yong YANG, Fancheng LIU, Chunhung HUANG, Guowei ZHA
  • Publication number: 20210405426
    Abstract: A liquid crystal display (LCD) device and an organic light-emitting diode (OLED) display device are disclosed. The LCD device includes a base substrate, a display module, and a liquid crystal lens layer. The display module includes a fingerprint recognition sensor. The OLED display device includes a base substrate, a fingerprint recognition sensor, a two-layered liquid crystal lens layer, and an OLED display. The liquid crystal lens layer is configured to be switchable between a non-lens state and a lens state. By adopting liquid crystal lenses with holes, utilization of reflected light reflected by a fingerprint can be improved and imaging quality can be optimized.
    Type: Application
    Filed: December 19, 2019
    Publication date: December 30, 2021
    Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Guowei Zha, Fancheng Liu
  • Publication number: 20210405423
    Abstract: A display panel and a display device are provided. The display panel includes a backlight module, a light-control liquid crystal cell, a collimating film layer, and a display liquid crystal cell stacked from bottom to top. The collimating film layer is configured to limit transmission of scattered light beams with large angle. The display device includes the abovementioned display panel.
    Type: Application
    Filed: November 12, 2019
    Publication date: December 30, 2021
    Inventors: Yong YANG, Guowei ZHA, Guiyang ZHANG
  • Publication number: 20210398960
    Abstract: A display panel, a manufacturing method thereof, and a display device are provided. The display panel includes a driving backplate, functional component groups, and micro-LED chips. The functional component groups are integrated in regions where the micro-LED chips are not disposed and are multiplexed as alignment marks. In a mass transfer process of the micro-LED chips, the alignment marks are prevented from additionally occupying pixel space by using part of functional components multiplexed as the alignment marks under a precondition of ensuring alignment accuracy.
    Type: Application
    Filed: July 21, 2020
    Publication date: December 23, 2021
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Li ZHONG, Guowei ZHA
  • Publication number: 20210382226
    Abstract: The invention provides a display device, including: a backlight module with a backlight area and a transmissive area; The transmissive area of the backlight module is disposed to have at least one MicroLED light emitting unit, when the microLED light emitting unit is turned on the backlight module, the camera module does not work, and the display area of the display panel and the transmissive display area are able to display the picture normally, thus entering the full-screen display state When the camera module is working, turn off the MicroLED light-emitting unit, the camera module obtains sufficient imaging light, and the display panel corresponding to the backlight area can display the picture normally.
    Type: Application
    Filed: October 16, 2019
    Publication date: December 9, 2021
    Inventor: Guowei ZHA
  • Patent number: 11189763
    Abstract: A backlight structure is provided. The backlight structure includes a substrate, a light emitting diode array layer disposed on the substrate, a planarization layer disposed on the light emitting diode array layer, a composite medium layer disposed on the planarization layer, a metal gate line layer including a plurality of metal lines disposed on the composite medium layer, a fluorescent layer disposed on the metal gate line layer, and a diffusion layer disposed on the fluorescent layer, wherein the composite medium layer includes a first medium, a second medium, and a third medium, the second medium is interposed between the first medium and the third medium, and each of a refractive index of the first medium and a refractive index of the third medium is less than a refractive index of the second medium.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: November 30, 2021
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Guowei Zha
  • Publication number: 20210356788
    Abstract: The present invention provides a liquid crystal display (LCD) device for an under-screen identification scheme. The LCD device for the under-screen identification scheme comprises a liquid crystal module, a backlight module, an under-screen sensor, and a micro light emitting diode (LED) module. The liquid crystal module defines a liquid crystal module operable region and a digging region adjacent to the liquid crystal module operable region. Therefore, there is no display interruption and discontinuous boundaries in the vision, and can achieve a complete full-screen design.
    Type: Application
    Filed: October 24, 2019
    Publication date: November 18, 2021
    Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventor: Guowei ZHA
  • Publication number: 20210356649
    Abstract: A light emitting diode is provided. The light emitting diode includes a substrate, a first semiconductor layer disposed on the substrate, a light emitting layer disposed on a first portion of the first semiconductor layer, a second semiconductor layer disposed on the light emitting layer, a first electrode disposed on a second portion of the first semiconductor layer, the first portion and the second portion not overlapping, a second electrode disposed on the second semiconductor layer. Thickness of the first electrode is greater than thickness of the second electrode. A backlight module including the light emitting diode is further provided.
    Type: Application
    Filed: September 21, 2018
    Publication date: November 18, 2021
    Inventor: Guowei ZHA
  • Publication number: 20210333634
    Abstract: A backlight module and a display device having the backlight module are provided. The backlight module includes a planar light source having a light-emitting surface; a fluorescent film covering the light-emitting surface of the planar light source; a supporting layer disposed on the fluorescent film, wherein the supporting layer being a transparent gel layer; and a diffusing plate covering the supporting layer. Under the premise of ensuring higher light efficiency, the backlight module and the display device having the backlight module of the present invention reduce the number of the layers of the diffusing plate in the backlight module and increase the light transmittance. Thereby a better light mixing effect, a uniform light mixing realized by a higher light-emitting effect, and a thinner backlight module are achieved.
    Type: Application
    Filed: April 24, 2019
    Publication date: October 28, 2021
    Inventors: Yong YANG, Guowei ZHA
  • Publication number: 20210334511
    Abstract: The present invention provides a fingerprint identification method, an electronic device and a display panel. The method includes: acquiring a center position information of a geometric center position of the touch operation getting a touch information of the touch operation; determining whether the center position information is the same as the geometric center position of one of the fingerprint identification arrays; getting a fingerprint image data according to a judgment result and the touch information; and unlocking the screen when the fingerprint image data is consistent with a preset fingerprint data.
    Type: Application
    Filed: September 6, 2019
    Publication date: October 28, 2021
    Inventors: Li ZHONG, Guowei ZHA
  • Patent number: 11143897
    Abstract: A liquid crystal display device is provided. The liquid crystal display device comprises a liquid crystal cell and a backlight module, and the liquid crystal cell comprises a color filter, an array substrate, a liquid crystal layer, an upper polarizer, and a lower polarizer. The color filter comprises a glass substrate, a plurality of black matrixes, and a plurality of color blocks, and the color blocks are doped with infrared quantum dots, the array substrate comprises a plurality of infrared sensing layers, the infrared sensing layers are located within corresponding shielding areas of the array substrate on which the black matrixes project. The in-panel recognition can be implemented through integrating the infrared quantum dots in the color blocks of the liquid crystal display device and disposing the infrared sensing layers in the shielding areas of the array substrate.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: October 12, 2021
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventor: Guowei Zha
  • Publication number: 20210278726
    Abstract: A backlight module and a liquid crystal display are provided. The backlight module has a substrate, a plurality of soldering pads, and a reflective pattern layer. The soldering pads are distributed on the substrate and each of the soldering pads has a soldering pad size. The reflective pattern layer covers the soldering pads and the substrate. The reflective pattern layer has openings, positions of the openings correspond to positions of the soldering pads, each of the openings has an opening size, and the opening size is smaller than the corresponding soldering pad size. The backlight module is provided with the openings in the reflective pattern corresponding to the positions of the soldering pads, and the opening size of the openings is smaller than the soldering pad size of the soldering pads, thereby increasing a ratio of the reflective pattern layer to the substrate. Therefore, brightness is improved.
    Type: Application
    Filed: December 26, 2018
    Publication date: September 9, 2021
    Inventors: Guowei ZHA, Changwen MA
  • Patent number: 11112646
    Abstract: A thin backlight module and a manufacturing method of the thin backlight module are provided. The thin backlight module includes a drive substrate, multiple light emitting sources, a fluorescence layer, and multiple particle micro-structures. The light emitting sources are arranged in an array on the drive substrate. The surface micro-structures are arranged on a surface of the fluorescence layer. Each surface micro-structure is arranged corresponding to each light emitting source. Each particle micro-structure is arranged corresponding to each surface micro-structure. Each particle micro-structure and each surface micro-structure together form a guiding layer for dispersing light from a corresponding one of the light emitting sources. Thereby, a smaller light mixing distance and an ultra-thin backlight module thickness are achieved.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: September 7, 2021
    Inventor: Guowei Zha
  • Patent number: 11092849
    Abstract: The present invention discloses a light emitting diode (LED) backlight device and LED display device, including a plurality of backlight partitions; a reflective material layer covering a surface of the backlight substrate; a plurality of metal traces disposed within the backlight partitions and disposed between the backlight substrate and the reflective material layer; a plurality of pad openings penetrating from a surface of the reflective material layer to a surface of the metal traces. An orthographic projection of the pad openings projected toward the backlight substrate is completely within an area of the metal traces; and a plurality of solder paste application regions located in the pad openings. The LED display device assembled by the LED backlight device according to the present invention improves the yield of solder paste printing and die bonding, improves the light reflection, reduces the loss of light energy, and improves the light efficiency.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: August 17, 2021
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNLOGY CO., LTD.
    Inventors: Changwen Ma, Guowei Zha, Zhou Zhang
  • Publication number: 20210226083
    Abstract: A light emitting unit and a manufacturing method thereof are provided. The light emitting unit includes a light emitting diode (LED) chip including a light emitting surface, and an optical functional film disposed on the light emitting surface of the LED chip, where a light transmittance of the optical functional film is greater than 95% in a wavelength range of 350 nm to 480 nm.
    Type: Application
    Filed: September 13, 2018
    Publication date: July 22, 2021
    Inventors: Guiyang ZHANG, Guowei ZHA, Yong YANG
  • Publication number: 20210223591
    Abstract: A liquid crystal display device is provided. The liquid crystal display device comprises a liquid crystal cell and a backlight module, and the liquid crystal cell comprises a color filter, an array substrate, a liquid crystal layer, an upper polarizer, and a lower polarizer. The color filter comprises a glass substrate, a plurality of black matrixes, and a plurality of color blocks, and the color blocks are doped with infrared quantum dots, the array substrate comprises a plurality of infrared sensing layers, the infrared sensing layers are located within corresponding shielding areas of the array substrate on which the black matrixes project. The in-panel recognition can be implemented through integrating the infrared quantum dots in the color blocks of the liquid crystal display device and disposing the infrared sensing layers in the shielding areas of the array substrate.
    Type: Application
    Filed: September 19, 2018
    Publication date: July 22, 2021
    Inventor: Guowei Zha
  • Publication number: 20210223630
    Abstract: The present invention discloses a light emitting diode (LED) backlight device and LED display device, including a plurality of backlight partitions; a reflective material layer covering a surface of the backlight substrate; a plurality of metal traces disposed within the backlight partitions and disposed between the backlight substrate and the reflective material layer; a plurality of pad openings penetrating from a surface of the reflective material layer to a surface of the metal traces. An orthographic projection of the pad openings projected toward the backlight substrate is completely within an area of the metal traces; and a plurality of solder paste application regions located in the pad openings. The LED display device assembled by the LED backlight device according to the present invention improves the yield of solder paste printing and die bonding, improves the light reflection, reduces the loss of light energy, and improves the light efficiency.
    Type: Application
    Filed: September 11, 2018
    Publication date: July 22, 2021
    Inventors: Changwen MA, Guowei ZHA, Zhou ZHANG