Patents Assigned to HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
  • Patent number: 11474401
    Abstract: A display panel and a fabrication method thereof, and a display apparatus are provided. The display panel includes: a base substrate, and a display region and a non-display region on the base substrate. The display region has a special shaped boundary, and includes: a plurality of display pixels and transition pixels; the transition pixels are provided between the display pixels and the special-shaped boundary; each of the display pixels and each of the transition pixels respectively include: a first electrode and a second electrode. An area of each of the first electrodes of the transition pixels is different from an area of each of the first electrodes of the display pixels; and/or, an area of each of the second electrodes of the transition pixels is different from an area of each of the second electrodes of the display pixel.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: October 18, 2022
    Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Zhaoke Zhang, Bing Wang, Kun Wang, Jun Hong
  • Patent number: 11467326
    Abstract: A color filtering film, a color filter substrate and a display device are disclosed. The color filtering film includes: a color filtering layer and a quantum dot layer laminated on the color filtering layer. The color filtering layer includes a plurality of groups of color filtering units, each group of color filtering units includes a first color filtering unit and a fourth color filtering unit, any first color filtering unit being spaced apart from the third color filtering unit.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: October 11, 2022
    Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventor: Yuanhui Guo
  • Publication number: 20220319387
    Abstract: A driving method, a driving circuitry and a display device are provided. The driving method is applied to a touch display panel. A shift register unit in a gate driving circuitry in the touch display panel is electrically coupled with a clock signal terminal, the clock signal terminal is used for providing a clock signal to a pull-up circuit in the shift register unit, and a display cycle includes a display time period and a touch time period. The driving method includes: within a period during which initial N rows of gate lines are turned on after entering the display time period from the touch time period in the display cycle, controlling and adjusting the clock signal to increase a falling speed of a potential of a gate drive signal outputted by the shift register unit; N is a positive integer. The phenomenon of poor horizontal stripes is improved.
    Type: Application
    Filed: September 2, 2020
    Publication date: October 6, 2022
    Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhixiang FANG, Liangliang ZHENG
  • Patent number: 11462046
    Abstract: A display panel includes: a base, light-emitting devices, auxiliary light-emitting devices and a texture identification layer disposed above the base. The light-emitting devices are configured to emit light for display. Each auxiliary light-emitting device has a same light-emitting direction as the light-emitting devices and is configured to emit light in response to receiving a control signal during the display panel being in a screen-off state. The texture identification layer is configured to receive reflected light that is reflected to the texture identification layer in light emitted by the auxiliary light-emitting devices to an outside of the display apparatus, so as to perform texture identification.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: October 4, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Shanshan Li, Peilong He, Jie Cao, Shuai He, Ming Fang, Chengbing Zhu, Sheng Wang, Xiaofei Zhu, Yeyin Xia
  • Patent number: 11456045
    Abstract: The embodiments of the present disclosure propose a shift register, a driving method thereof, a gate driving circuit and a display apparatus. The shift register comprises an input sub-circuit coupled to an input terminal and a pull-up node, and configured to charge the pull-up node under control of an input signal from the input terminal; an output sub-circuit coupled to a clock signal terminal, the pull-up node, and an output terminal, and configured to transmit a clock signal from the clock signal terminal to the output terminal under control of the pull-up node; and an output shaping sub-circuit coupled to the clock signal terminal, the output terminal, and a first voltage signal terminal, and configured to transmit a first voltage signal from the first voltage signal terminal to the output terminal under control of the clock signal.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: September 27, 2022
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jian Tao, Li Sun, Wei Xue, Hongmin Li
  • Patent number: 11442570
    Abstract: A touch display device includes a display panel; a backlight that includes a back plate; a pressure touch detection chip; a pressure sensing layer and a voltage reference layer arranged between the display panel and the back plate, the pressure sensing layer and the voltage reference layer are opposite to each other and arranged in different layers. The pressure sensing layer includes a plurality of sensing electrodes arranged as an array, where each sensing electrode is electrically connected to the pressure touch detection chip through a lead wire. The voltage reference layer is configured to receive a stable reference voltage signal; and the pressure touch detection chip is configured to determine a value of a pressure on the display panel according to a detected change of capacitance between the pressure sensing layer and the voltage reference layer.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: September 13, 2022
    Assignees: Beijing BOE Technology Development Co., Ltd., Hefei BOE Optoelectronics Technology Co., Ltd.
    Inventors: Hu Li, Jian He
  • Publication number: 20220267588
    Abstract: The present disclosure relates to a composition, a substrate and a preparation method of a light reflection layer. The composition comprises: a matrix material and an additive, the matrix material including a solvent, reactant molecules and a material with reflection function dispersed in the solvent, wherein the reactant molecules is capable of undergoing cross-linking reaction under a first preset condition, and include monomer molecules and/or prepolymer molecules; the additive including a filler material that is in the form of powder or microspheres, capable of being dispersed in the matrix material, and filled between the crosslinking points of any adjacent reactant molecules to block the crosslinking reaction of some adjacent reactant molecules under the first preset condition.
    Type: Application
    Filed: September 20, 2021
    Publication date: August 25, 2022
    Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bing ZHANG, Teng ZHANG, Xiaolin GENG, Liang GAO
  • Patent number: 11423823
    Abstract: The present disclosure provides a shift register including: a pre-charge reset circuit and an output circuit, the pre-charge reset circuit is configured to write, in a pre-charge stage, an input signal in an active level state into the pull-up node in response to the control of a first control signal, and write, in a reset stage, an input signal in an inactive level state into the pull-up node in response to the control of a second control signal; the output circuit is configured to write, in an output stage, a clock signal in an active level state into a signal output terminal in response to the control of an electric signal in an active level state at the pull-up node, and write, in the reset stage, a clock signal in an inactive level state into the signal output terminal in response to the control of the second control signal.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: August 23, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Xue, Hongmin Li, Yue Shi, Qinghua Jiang
  • Patent number: 11417846
    Abstract: The present disclosure provides a light-emitting layer, an organic light emitting diode (OLED) device, and a display apparatus. The light-emitting layer has a host material containing a first photocrosslinker group. A guest material containing a second photocrosslinker group is prepared. The host material and the guest material are mixed in a solvent to form a mixture. The mixture is coated, annealed, and UV-irradiated on a substrate to form the light-emitting layer. As such, the disclosed light-emitting layer is prepared by the polymerization after being on the substrate. The light-emitting layer has a mesh structure. The mesh structure improves energy transfer between the host material and guest material and increases the lifespan of the resultant OLED device and OLED display apparatus.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: August 16, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yuanhui Guo, Chun Wang, Hui Wang, Yisan Zhang
  • Patent number: 11409149
    Abstract: An electronic device includes a first base substrate, a flexible member, and a bending auxiliary structure. The first base substrate includes a first side. The flexible member includes a first end, a second end opposite to the first end, and a main body portion located between the first end and the second end. The first end is connected to the first base substrate at the first side. The bending auxiliary structure is provided at the first side and including at least one curved surface. The main body portion of the flexible member is bent around the at least one curved surface of the bending auxiliary structure, so that the first end and the main body portion or the first end and the second end are at least partially overlapped in a direction perpendicular to the first base substrate.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: August 9, 2022
    Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jianghui Zhan, Xuemei Zhao, Guanghua Hu, Guanglei Yang, Hu Li, Wenyu Zeng
  • Patent number: 11398536
    Abstract: The present disclosure discloses a display substrate, a production method thereof and a display device. The display substrate includes: a base substrate, a pixel defining layer located on the base substrate, and an organic functional layer located on the pixel defining layer, where the pixel defining layer has opening areas for defining light emitting areas of respective sub-pixels, and contains photo-induced deforming particles; and the organic functional layer covers the opening areas and includes a plurality of parts corresponding to the respective sub-pixels one by one, and the plurality of parts are spaced from each other.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: July 26, 2022
    Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Kui Gong, Xianxue Duan, Tianzhen Liu, Dongsheng Jiao
  • Patent number: 11393853
    Abstract: An array substrate and a manufacturing method thereof are disclosed. The method includes: forming a first thin film transistor which includes a first semiconductor layer, a first gate electrode, a first drain electrode and a first source electrode; forming a second thin film transistor which includes a second semiconductor layer, a second gate electrode, a second drain electrode and a second source electrode; and forming a dielectric layer which spaces the first semiconductor layer apart from the second semiconductor layer; the method further includes: processing the same layer to form at least one selected from the group consisting of the first gate electrode, the first drain electrode and the first source electrode, at least one selected from the group consisting of the second gate electrode, the second drain electrode and the second source electrode, and the dielectric layer by the same layer.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: July 19, 2022
    Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Kui Gong, Biliang Dong, Xianxue Duan, Zhihai Zhang
  • Patent number: 11393384
    Abstract: The present disclosure is related to a shift register circuit. The shift register circuit may include a shift output circuit and N driving output circuits. N is an integer larger than 1. Among the N driving output circuits, an i-th driving output circuit may be respectively coupled to an i-th driving clock signal terminal of N driving clock signal terminals, a pull-up node of the shift output circuit, and an i-th driving output terminal of N driving output terminals. The i-th driving output circuit may be configured to input an i-th driving clock signal from the i-th driving clock signal terminal to the i-th driving output terminal under a control of the pull-up node, wherein i is a positive integer not greater than N.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: July 19, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Xue, Hongmin Li, Fengjing Tang, Ying Wang
  • Patent number: 11389592
    Abstract: A venting component includes a chamber, a vent hole and a floating block. The chamber includes a bottom chamber and an extended chamber communicating with the bottom chamber and extending upward therefrom. The bottom chamber is configured for liquid to flow in and out. The extended chamber includes a support portion. The vent hole is located at a side of the extended chamber away from the bottom chamber. The floating block is located in the extended chamber and forms a gap with the chamber wall of the extended chamber. The floating block is configured to be supported on the support portion and dimensioned to be able to block the vent hole.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: July 19, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Fei Xu, Lei Lv, Jun Hong, Chunmin Xu, Jie Gao
  • Patent number: 11393420
    Abstract: A display device, a pixel circuit and its driving method and driving device. The driving method includes the steps of, during a frame sequence formed by successive X frames of image displaying, outputting gate signals and data signals to the pixel circuit in a first preset mode; during a frame sequence formed by successive Y frames and adjacent to the frame sequence formed by successive X frames of image displaying, outputting gate signals and data signals to the pixel circuit in a second preset mode, wherein the first preset mode is different from the second preset mode, and X and Y are positive integers not less than 2. The method can enable the charging time of the pixel circuit to be balanced in space, thereby improving image display quality.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: July 19, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kun Li, Dayu Zhang, Yifei Zhan, Xiaohan Ling
  • Patent number: 11386823
    Abstract: The present disclosure provides an array substrate and a method of driving the same, and a display device. The array substrate includes a plurality of sets of transistors, each set of transistors include at least two columns of drive transistors. A target column of drive transistors of each set of transistors are connected to a data line, and the rest drive transistors are connected to the target column of drive transistors.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: July 12, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tingting Jin, Liangliang Zheng, Site Cai
  • Patent number: 11385396
    Abstract: A collimating device includes at least one microstructure portion. Each microstructure portion includes a bottom surface; a side surface connected to the bottom surface, an angle between the side surface and the bottom surface being an obtuse angle; and a top surface opposite to the bottom surface and connected to the side surface, the top surface being a convex free-form surface.
    Type: Grant
    Filed: May 9, 2020
    Date of Patent: July 12, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hai Tang, Liang Gao, Bing Zhang, Xiaolin Geng
  • Patent number: 11387428
    Abstract: An organic electroluminescent display panel includes: a first electrode, a pixel defining layer, an organic light emitting functional layer and a second electrode provided on a substrate; a conductive layer and a protection layer provided at a side of the second electrode away from the substrate, the conductive layer and the protection layer being provided in a single layer, a surface of the protection layer away from the substrate being parallel to that of the second electrode away from the substrate, the conductive layer being provided between the protection layer and the second electrode and in contact with the second electrode, the protection layer including a first portion provided in the pixel regions and a second portion provided on the conductive layer, and a sum of a thickness of the second portion and a thickness of the conductive layer being approximately equal to a thickness of the first portion.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: July 12, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Kui Gong, Xianxue Duan
  • Patent number: 11378852
    Abstract: The present application provides a display panel having a first array substrate, a first liquid crystal layer, a second array substrate, a second liquid crystal layer, a reflective layer, and a counter substrate. The second array substrate is between the first array substrate and the counter substrate; the first liquid crystal layer is between the first array substrate and the second array substrate; the second liquid crystal layer is between second array substrate and the counter substrate; and the reflective layer is between the first liquid crystal layer and the second liquid crystal layer. The display panel has a plurality of reflective regions and a plurality of transmissive regions. The reflective layer is present in the plurality of reflective regions and absent in the plurality of transmissive regions.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: July 5, 2022
    Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Honggang Gu, Xianjie Shao, Chun Wang
  • Patent number: 11373576
    Abstract: The present application provides a shift register and a method of driving the same, and a gate driving circuit. In the shift register, an input sub-circuit is configured to output an input signal to a pull-up node under control of a first clock signal of a first clock signal terminal, an output sub-circuit is configured to output a second clock signal of a second clock signal terminal to the output terminal under control of a voltage level of the pull-up node, a reset sub-circuit is configured to reset voltage levels of the pull-up node and the output terminal under control of a voltage level of a pull-down node, and a reset control sub-circuit is configured to control the voltage level of the pull-down node such that the voltage levels of the pull-up node and the output terminal are reset to a level signal.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: June 28, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Silin Feng, Li Sun, Ying Wang