Patents Assigned to BOE Technology Group Co., Ltd.
  • Patent number: 10345643
    Abstract: This disclosure provides an array substrate for a liquid crystal display panel, comprising: a base substrate; a light-emitting diode back light source deposited on one surface of the base substrate; and thin film transistor on the other surface of the base substrate. This disclosure also provides a production method of an array substrate, a liquid crystal display panel, and a display apparatus.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: July 9, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Haixu Li
  • Patent number: 10347177
    Abstract: The present invention provides a pixel driving circuit, a driving method thereof, and a display device. The pixel driving circuit of the present invention comprises a data writing unit, a threshold compensation unit, a driving unit, a light-emitting unit, and a voltage stabilizing unit; the data writing unit is connected with a first node, a scan signal line and a data signal line; the first node is a connection node between the data writing unit and the driving unit; the threshold compensation unit is connected with the first node, a first control signal line, a first voltage terminal and the driving unit; the driving unit is connected with the light-emitting unit; and the voltage stabilizing unit is connected with the data writing unit, a second control signal line and the first voltage terminal.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: July 9, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yuting Zhang, Feng Liao, Zhongyuan Wu, Pan Xu
  • Patent number: 10345658
    Abstract: The present disclosure provides a method for manufacturing a slit electrode, the slit electrode, and a display panel. The method includes steps of forming a first photoresist pattern on a passivation layer, the first photoresist pattern being of a shape identical to a slit of the slit electrode, forming a slit electrode pattern on the passivation layer with the first photoresist pattern, the slit electrode pattern being covering with a second photoresist pattern which has a shape identical to the slit electrode; and removing the first photoresist pattern and the second photoresist pattern.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: July 9, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yang An, Zhilong Peng, Wukun Dai
  • Patent number: 10345632
    Abstract: The present disclosure provides a worktable for testing a liquid crystal panel. In one embodiment, the worktable for testing the liquid crystal panel includes: a table body, an upper surface of which being formed with a mounting groove in order to form a light-transmittance region; wherein, the table body is further formed with a slot that has an opening in a side surface of the table body and that is configured to mount a lower polarizer therein so that the lower polarizer at least covers the light-transmittance region. The present disclosure also provides a test apparatus including the mentioned worktable.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: July 9, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Ji Zhang, Zheng Bian, Dongsheng Xu, Yongyong Zhang, Yujia Wang, Chong Guo
  • Patent number: 10345649
    Abstract: A backlight source, a display module and a display device are provided. A back plate of the backlight source includes a bottom plate and a side plate. The side plate and the bottom plate define an accommodation cavity. A plurality of concaves is provided on a first surface of the bottom plate away from the light guide plate, and the plurality of concaves are depressed toward a second surface of the bottom plate close to the light guide plate.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: July 9, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BOE OPTICAL SCIENCE AND TECHNOLOGY CO., LTD.
    Inventor: Qi Zhang
  • Patent number: 10345645
    Abstract: An embodiment of the present disclosure discloses a display device which uses a black and white liquid crystal display panel, i.e., not arranging a color resistor layer formed by the color resistor material in the liquid crystal display panel, and arranging a light splitting film between a backlight panel and a liquid crystal layer. The light splitting film enables light emitted from the backlight panel to be split into light of N colors, and light of each color is projected onto a corresponding sub-pixel of the liquid crystal display panel.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: July 9, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJIN BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Pengcheng Lu, Xue Dong, Xiaochuan Chen, Wenqing Zhao, Jian Gao, Qian Wang, Ming Yang, Lei Wang, Rui Xu, Xiaochen Niu, Haisheng Wang
  • Patent number: 10345665
    Abstract: The present disclosure provides an array substrate, a method of manufacturing the same, a display panel and a display device. The array substrate comprises a plurality of gate lines and a plurality of data lines arranged to cross with each other and define a plurality of pixel areas, each of the pixel areas comprising a thin film transistor. The array substrate further comprises a first insulating layer arranged above the thin film transistors and the data lines; a metal layer arranged above the first insulating layer; a second insulating layer arranged above the metal layer; and a pixel electrode and a common electrode arranged above the second insulating layer, between which a third insulating layer is provided. The common electrode in each of the pixel areas at least comprises two slits and the metal layer overlies the data lines.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: July 9, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Hyunsic Choi
  • Patent number: 10346960
    Abstract: The disclosure discloses an apparatus and method for correcting a flicker in a video, and a video device, the method including: determining a correction weight for correcting grayscale values of a current frame of video image according to a ratio of a variance of a histogram of mapped grayscale values of a last frame of video image to a variance of a histogram of grayscale values of the last frame of video image, and a contrast enhancement upper limit parameter input by a user, and/or a largest percentage of the number of pixels with a same grayscale among a total number of pixels in the histogram of the grayscale values of the last frame of video image, and the contrast enhancement upper limit parameter input by the user; and, determining resulting grayscale values of the current frame of video image according to the correction weight.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: July 9, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Hanwen Liu, Pablo Navarrete Michelini
  • Patent number: 10347532
    Abstract: The present disclosure provides a Low Temperature Poly Silicon (LTPS) backboard, a method for manufacturing the LTPS, and a light-emitting device. The LTPS backboard includes: a base substrate, and a thin film transistor (TFT) and a light blocking layer that are arranged above the base substrate, wherein the light blocking layer is arranged above the TFT, and the light blocking layer is configured for preventing an irradiation light from irradiating onto the TFT.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: July 9, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaowei Xu, Libin Liu, Liangjian Li, Chunping Long
  • Patent number: 10345648
    Abstract: The present disclosure provides a backlight structure and a liquid crystal display device. The backlight structure comprises: an array substrate; a polarizer layer on a back face of the array substrate; and a light source at a light incident side of the array substrate. Specifically, the light source is configured such that light emitted thereby is emitted into the array substrate from the light incident side of the array substrate and incident on the polarizer layer. Moreover, the polarizer layer is configured for reflecting the light incident thereon while polarizing the reflected light and emitting it out from a front face of the array substrate, wherein the front face and the back face of the array substrate face each other and intersect the light incident side of the array substrate respectively.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: July 9, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jun Xu, Qing Zhang, Hu Li, Tongmin Liu, Linfei Shao
  • Patent number: 10347836
    Abstract: A QLED device and manufacturing method thereof, a QLED display panel and a QLED display device are disclosed which improve the surface and internal structure of the quantum dot layer in the QLED devices. The method for manufacturing a QLED device includes forming a first electrode layer; forming a quantum dot layer on the first electrode layer; infiltrating a mixed solvent containing a bifunctional molecule into the quantum dot layer so as to improve the structure of the quantum dot layer; and forming a second electrode layer on the quantum dot layer.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: July 9, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenhai Mei, Zhuo Chen, Yuanming Zhang
  • Patent number: 10345945
    Abstract: The present disclosure provides a display panel and a pressure sensing method for the same, which belongs to the field of pressure sensing technology for display panel, and can solve the problem that the existing pressure sensing technology for the display panel needs to change the overall structure of the display device and has poor accuracy. The display panel includes a first substrate and a second substrate, which are opposed to each other; a constant voltage electrode, which is applied with a constant voltage, and disposed on one of the first substrate and the second substrate; and a pressure sensing electrode, which is disposed to be opposite to the constant voltage electrode, configured to sense a pressure applied on the display panel in accordance with a distance thereof from the constant voltage electrode, and disposed on the other one of the first substrate and the second substrate.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: July 9, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yingming Liu, Xue Dong, Hailin Xue, Xiaochuan Chen, Haisheng Wang, Xiaoliang Ding, Shengji Yang, Weijie Zhao, Lei Wang, Ming Yang, Changfeng Li, Wei Liu, Pengpeng Wang
  • Patent number: 10349043
    Abstract: A three-dimensional display device is disclosed. The three-dimensional display device includes a two-dimensional display panel and a slit grating; the two-dimensional display panel includes a plurality of first display units for displaying a left eye image and a plurality of second display units for displaying a right eye image, and the first and second display units are alternately arranged in a row direction and a column direction of the two-dimensional display panel; the slit grating includes a plurality of grating units arranged in a form of an array, a slit is formed between every adjacent grating units in each row of grating units arranged in the row direction of the two-dimensional display panel, slits and grating units are alternately arranged in the column direction of the two-dimensional display panel.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: July 9, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wei Wei
  • Patent number: 10344209
    Abstract: The present disclosure discloses a fluorescent material and a manufacturing method and use thereof. The fluorescent material comprises SnO2 doped with Ag, wherein the molar ratio of Ag to SnO2 is 0.0014-0.007:1. The fluorescent material can emit fluorescent lights of two different colors which are complementary colors of each other, and the fluorescent material has a long service life. The fluorescent material is synthesized via a hydrothermal method under air atmosphere by using SnCl4.5H2O as a raw material. The method for manufacturing the fluorescent material is easy and simple, and significant economic and social benefits can be obtained when it is popularized and applied in the fields of illumination and display. The fluorescent material can be employed for manufacturing white-light fluorescent powder used in a white-light LED excitable by an ultraviolet-near ultraviolet LED diode chip.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: July 9, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Zhang, Zhanfeng Cao, Qi Yao
  • Patent number: 10347631
    Abstract: A complementary thin film transistor includes an N-type metal oxide thin film transistor and a P-type metal oxide thin film transistor. A method of manufacturing a complementary thin film transistor is also provided. The method includes forming a complementary thin film transistor including an N-type metal oxide thin film transistor and a P-type metal oxide thin film transistor. An array substrate including the complementary thin film transistor and a display device including the array substrate are further provided.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: July 9, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Wei Qin
  • Patent number: 10347669
    Abstract: A flexible display device and a method for manufacturing the same are provided. The method includes providing a rigid sheet having cutting streets, forming a protective pattern on the rigid sheet, the protective pattern covering the cutting streets, and forming a flexible substrate including a reserved region and an unreserved region on the rigid sheet provided with the protective pattern, where the flexible substrate covers the protective pattern, and boundaries between the reserved region and the unreserved region are within regions occupied by the cutting streets. The method further includes fabricating a display component on the flexible substrate in the reserved region, and cutting the flexible substrate along the cutting streets, removing the unreserved region of the flexible substrate and reserving the reserved region of the flexible substrate, incisions caused by cutting being within a region of the protective pattern, and separating the cut flexible substrate from the rigid sheet.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: July 9, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunyan Xie, Mingche Hsieh
  • 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
  • Publication number: 20190205602
    Abstract: A fingerprint identification circuit, a method for manufacturing the fingerprint identification circuit, and a display device are provided. The fingerprint identification circuit includes: an array substrate and an opposite substrate arranged opposite to the array substrate; a fingerprint identification member arranged at a side of the array substrate proximate to the opposite substrate; and a backlight source arranged at a side of the array substrate distal to the opposite substrate. A light-shielding member and a partially-transparent member are arranged on the opposite substrate. An orthogonal projection of the partially-transparent member onto the array substrate at least partially overlaps an orthogonal projection of the fingerprint identification member onto the array substrate.
    Type: Application
    Filed: July 24, 2018
    Publication date: July 4, 2019
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zhonglin CAO, Weiyun HUANG, Shan GAO, Yang WANG, Tingliang LIU, Yuanjie XU, Ting LI, Pengcheng ZANG
  • Publication number: 20190204605
    Abstract: An arrayed waveguide, a display device, and a spectacles device are disclosed. The arrayed waveguide includes a first waveguide layer and a second waveguide layer stacked. The first waveguide layer includes a first main expanding portion having a plurality of first optical medium layers configured to expand, in the first direction, the first light beam incident into the first main expanding portion and reflect it towards the second waveguide layer. The second waveguide layer includes a second main expanding portion having a plurality of second optical medium layers configured to expand, in the second direction, the second light beam incident into the second main expanding portion and reflect it to exit from a side of the second waveguide layer away from the first waveguide layer. The second main expanding portion is further configured to transmit the expanded first light beam therethrough.
    Type: Application
    Filed: May 29, 2018
    Publication date: July 4, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Naifu Wu
  • Publication number: 20190207137
    Abstract: The present disclosure provides a polymer, a quantum dots film layer and a preparation method thereof. The polymer includes a plurality of polymerized units, and each of the polymerized units includes a hydrophobic structure and a carrier transport structure. The hydrophobic structure is linked to the carrier transport structure via a bridge bond containing a functional atom, and the hydrophobic structure is provided with a first ligand. When the polymerized unit is broken at the bridge bond, a hydrophobic monomer containing the first ligand and a carrier transport monomer containing a second ligand are generated. The second ligand includes the functional atom, and the second ligand is stronger than the first ligand in coordination activity.
    Type: Application
    Filed: October 24, 2018
    Publication date: July 4, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenhai MEI