Patents Assigned to HEFEI BOE DISPLAY TECHNOLOGY CO., LTD.
  • Patent number: 11506941
    Abstract: The present disclosure relates to a display panel. The display panel may include a first substrate, a second substrate opposite the first substrate, and a frame supporting structure between the first substrate and the second substrate in a frame area of the display panel. The frame area of the display panel may surround a display area of the display panel. The frame supporting structure may include a first frame supporting portion on at least one part of a circumference of the display area, the first frame supporting portion comprises an elastic material, and an elastic recovery rate of the elastic material is above about 80%.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: November 22, 2022
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Lin Zhang, Hongliang Wang, Ke Dai
  • Patent number: 11508933
    Abstract: A display panel, a method for manufacturing the same, and a display device are provided. The display panel includes a first substrate and a second substrate opposite to each other; a display structure on a side of the first substrate facing the second substrate; a sealant surrounding the display structure; and a barrier structure surrounding the display structure and located between the display structure and the sealant, the barrier structure being disposed on one of the first substrate or the second substrate and being spaced apart from the other of the first substrate or the second substrate.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: November 22, 2022
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Jie Chen, Jiewei Li, Mengyu Luan
  • Patent number: 11497096
    Abstract: A source driver includes at least one data input terminal, a plurality of data output terminals, at least two control terminals and a plurality of source driving circuits. Each source driving circuit is connected to a data input terminal of the at least one data input terminal, a data output terminal of the plurality of data output terminals and the at least two control terminals. The source driving circuit is configured such that: the source driving circuit converts a format of a data signal from the data input terminal; and in response to one of different control signals that is received by all the at least two control terminals, the source driving circuit has a corresponding different output impedance, and transmits the converted data signal to the data output terminal.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: November 8, 2022
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Jianwei Sun, Liugang Zhou, Ke Dai, Yizhan Han, Yulong Xiong, Tao Li, Xiaofeng Yin, Maoyang Zhu, Pengjun Fang
  • Patent number: 11487151
    Abstract: According to a liquid crystal display panel and a display device in the present disclosure, since at least one of a first polarizer and a second polarizer has a light scattering structure, polarized light of corresponding colors transmitted by sub-pixel units with different colors in a liquid crystal display structure can be uniformly diffused by the light scattering structure. That is to say, the light scattering structure plays a role for uniformly mixing the polarized light of different colors. Therefore, the rainbow pattern phenomenon is effectively improved or even eliminated, and the display quality is improved.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: November 1, 2022
    Assignees: Hefei Boe Display Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Lin Zhang, Hongliang Wang, Ke Dai, Lei Guo, Yanping Liao
  • Patent number: 11487175
    Abstract: The present disclosure provides an array substrate, a dimming liquid crystal panel and a display panel. The array substrate includes: a first transparent electrode layer with a plurality of slit structures, wherein the first transparent electrode layer includes a plurality of domains with an equal area, the plurality of domains include at least two types of domains, the at least two types of domains are arranged in a mosaic shape; a plurality of gate lines extending along a row direction and a plurality of data lines extending along a column direction, the plurality of gate lines and the plurality of data lines crossing to define a plurality of dimming regions arranged in an array.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: November 1, 2022
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Yue Du, Yuntian Zhang, Liangliang Jiang, Lei Guo, Ke Dai, Jiaqing Liu
  • Patent number: 11474402
    Abstract: The present application provides a color film substrate, a display device, and a color film substrate fabricating method. The color film substrate comprises a display region and a non-display region, wherein the color film substrate in the non-display region comprises: a base; and a photoresist layer disposed on the base; a planarization layer disposed on a side of the photoresist layer away from the base; a support layer disposed on a side of the planarization layer away from the base; wherein a total thickness of the photoresist layer, the planarization layer, and the support layer is greater than or equal to a first thickness threshold.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: October 18, 2022
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Xianshu Yu, Lei Guo
  • Publication number: 20220326582
    Abstract: The present disclosure provides an array substrate, a dimming liquid crystal panel and a display panel. The array substrate includes: a first transparent electrode layer with a plurality of slit structures, wherein the first transparent electrode layer comprises a plurality of domains, the plurality of domains comprise at least two types of domains, each of the plurality of domains is adjacent to different types of domains along both a row direction and a column direction; and a plurality of gate lines extending along the row direction and a plurality of data lines extending along the column direction, the plurality of gate lines and the plurality of data lines crossing to define a plurality of dimming regions arranged in an array.
    Type: Application
    Filed: November 28, 2019
    Publication date: October 13, 2022
    Applicants: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yue DU, Wei GUO, Ke DAI, Lei GUO, Liangliang JIANG, Jiaqing LIU, Yuanhui GUO
  • Publication number: 20220326557
    Abstract: The present disclosure provides a display panel and a manufacturing method of the display panel. The display panel includes: a display liquid crystal panel including a plurality of sub-pixels arranged in an array; a dimming liquid crystal panel located on a light incident side of the display liquid crystal panel and including a plurality of dimming pixels arranged in an array; and a sealant in a frame shape located between the dimming liquid crystal panel and the display liquid crystal panel, a surface of the sealant close to the dimming liquid crystal panel being adhered to the dimming liquid crystal panel, and a surface of the sealant close to the display liquid crystal panel being adhered to the display liquid crystal panel.
    Type: Application
    Filed: November 7, 2019
    Publication date: October 13, 2022
    Applicants: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jianming LIU, Chaoyue WANG, Wenbo DONG
  • Patent number: 11455923
    Abstract: The present disclosure generally relates to display technologies. An array substrate includes a plurality of repeating units arranged in a first direction, each repeating unit including a plurality of connection areas and a plurality of shared testing areas arranged in an alternating manner in a row along the first direction. Each of the plurality of shared testing areas is between two adjacent connection areas and coupled to each of the two adjacent connection areas, and each of the plurality of shared testing areas includes a plurality of testing pads, a first portion of the plurality of testing pads being coupled to one of the two adjacent connection areas, a second portion of the plurality of testing pads being coupled to the other one of the two adjacent connection areas.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: September 27, 2022
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Chunxu Zhang, Ke Dai, Zhonghou Wu, Peng Jiang, Yuntian Zhang, Yafei Deng
  • Patent number: 11443682
    Abstract: A display device, a gate drive circuit, a shift register and a control method are disclosed. A first shift register unit of the shift register is configured to write a first control signal to a first node under control of a first input signal, write a first clock signal to a first signal output terminal; a second shift register unit of the shift register is configured to write a second control signal to the first node under control of a second input signal, write a second clock signal to a second signal output terminal; during the first frame, the first clock signal and the first input signal are pulse signals, the second clock signal and the second input signal are DC signals; during the second frame, the first clock signal and the first input signal are DC signals, the second clock signal and the second input signal are pulse signals.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: September 13, 2022
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zuquan Hu, Zhenyu Zhang, Haipeng Yang, Ke Dai
  • Patent number: 11443989
    Abstract: An array substrate having a display area, a peripheral area, and a bonding area inside the peripheral area is provided. The array substrate includes a bonding pad in the bonding area, the bonding pad configured to be connected to a peripheral circuit through a bonding connector, a test signal line including a first portion and a second portion. The first portion is in the peripheral area and substantially surrounds the display area. The first portion is electrically connected to the bonding pad. The first portion is completely inside the array substrate and has no exposed terminal. The second portion is in the bonding area. A first terminal of the second portion is electrically connected to the bonding pad. A second terminal of the second portion has an end along an edge of the array substrate in the bonding area.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: September 13, 2022
    Assignees: Hefei BOE Display Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Ke Dai, Peng Jiang, Yanping Liao, Wenchao Wang
  • Patent number: 11386864
    Abstract: A display panel includes a plurality of source driving chips, a power management circuit, and a plurality of switching units. The power management circuit includes a first output terminal, and the first output terminal is configured to provide a digital power signal to the source driving chips; and the plurality of switching units are respectively arranged corresponding to at least one of the source driving chips, the switching units are connected to the first output terminal and the corresponding source driving chips, and at least part of the switching units are configured to turn on the corresponding source driving chips and the first output terminal in different time periods in response to different control signals.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: July 12, 2022
    Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Huiming Wang, Min Wang, Jing Ma, Peng Zhao, Xiuqin Yang
  • Patent number: 11380240
    Abstract: The preset disclosure provides a display control method, a timing controller IC and a display device. The method includes: acquiring a preset grayscale voltage of a target pixel unit and a backlight brightness of a backlight region corresponding to the target pixel unit, in a current output display frame; outputting a first grayscale voltage to the target pixel unit if the backlight brightness of the corresponding backlight region is less than or equal to a first preset brightness value; outputting a second grayscale voltage to the target pixel unit if the backlight brightness of the corresponding backlight region is greater than the first preset brightness value; wherein the second grayscale voltage is greater than the first grayscale voltage, and both the second grayscale voltage and the first grayscale voltage are greater than the preset grayscale voltage.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: July 5, 2022
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhenlin Qu, Liugang Zhou, Ke Dai, Tao Li, Yulong Xiong, Yizhan Han, Jianwei Sun, Liu He, Yunyun Liang, Jun Wang, Qing Li, Xutong Chen, Liwei Zhou, Xiaofeng Yin
  • Patent number: 11372293
    Abstract: The present disclosure relates to a liquid crystal panel and a repairing method thereof, and a display device. The liquid crystal panel includes an array substrate and a filter substrate, and the repairing method includes: irradiating a pixel which is a bright spot of the liquid crystal panel with laser from one side of the array substrate away from the filter substrate, so that a portion of the array substrate located in the pixel is converted from a light transmitting area into a light shielding area.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: June 28, 2022
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO, LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guodong Wu, Ping Chen, Hewei Wang, Song Wu, Chen Tang, Mingming Mu, Junfeng Li, Haitao Hu, Fugai Chen, Shuai Ji, Hao Yu
  • Patent number: 11361702
    Abstract: A shift register unit and a driving method thereof, a scan driving circuit, an array substrate and a display device. The shift register unit includes: an input circuit configured for setting the first node to a valid level in a case where the input terminal is at a valid level; a first reset control circuit configured for setting the second node to a valid level and setting the input terminal to an invalid level in a case where the reset terminal is at a valid level; an output circuit configured for setting the output terminal to a valid level by using a clock signal in a case where the first node is at the valid level; a reset circuit configured for setting the first node and the output terminal to an invalid level in a case where the second node is at a valid level.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: June 14, 2022
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongtao Guo, Guowei Chai, Fu Tang, Bangrong Xu
  • Patent number: 11355614
    Abstract: The present disclosure provides a thin film transistor, a method for preparing the same, a display substrate, and a display device. The thin film transistor includes a gate electrode, a semiconductor layer, and a gate insulation layer arranged between the gate electrode and the semiconductor layer, and the gate insulation layer includes a metal oxide layer and a modified layer formed through self-assembling on a side of the metal oxide layer away from the gate electrode and.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: June 7, 2022
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ji Zhang, Huiming Wang, Lin Chen, Jincheng Gao
  • Patent number: 11348547
    Abstract: The present disclosure provides a method and an apparatus for compensating the display voltage, a display apparatus and a display device, the method comprises acquiring, when performing an inversion operation with a polarity inversion signal for an arbitrary pixel, a preceding grayscale value and a subsequent grayscale value of the pixel, wherein the polarity inversion signal is configured to control the polarity of the pixel voltage of the pixel, the preceding grayscale value is a grayscale value of the pixel in a preceding frame before the inversion operation, and the subsequent grayscale value is the grayscale value of the pixel in a subsequent frame after the inversion operation.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: May 31, 2022
    Assignees: Hefei BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yulong Xiong, Liugang Zhou, Tao Li, Yizhan Han, Jianwei Sun, Liu He, Yunyun Liang
  • Patent number: 11341930
    Abstract: Embodiments of the present disclosure provide an erasing unit for image sticking in a liquid crystal display device, a control method thereof and a liquid crystal display device. A first controlling signal may be generated by dividing a voltage at a DC power supply terminal. A controlling circuit may output a second controlling signal and a third controlling signal in responding to the voltage of the first controlling signal being smaller than or equal to a reference voltage. A charging and discharging circuit may discharge under the control of the second controlling signal and output a high-level voltage signal to an outputting circuit. The outputting circuit may supply the high-level voltage signal outputted by the charging and discharging circuit to TFTs in the liquid crystal display device, controlling the TFTs to be turned on.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: May 24, 2022
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiuqin Yang, Siying Lu, Huiming Wang, Wenbo Dong
  • Publication number: 20220137470
    Abstract: The present disclosure provides an array substrate, a dimming liquid crystal panel and a display panel. The array substrate includes: a first transparent electrode layer with a plurality of slit structures, wherein the first transparent electrode layer includes a plurality of domains with an equal area, the plurality of domains include at least two types of domains, the at least two types of domains are arranged in a mosaic shape; a plurality of gate lines extending along a row direction and a plurality of data lines extending along a column direction, the plurality of gate lines and the plurality of data lines crossing to define a plurality of dimming regions arranged in an array.
    Type: Application
    Filed: November 28, 2019
    Publication date: May 5, 2022
    Applicants: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yue DU, Yuntian ZHANG, Liangliang JIANG, Lei GUO, Ke DAI, Jiaqing LIU
  • Publication number: 20220137445
    Abstract: The embodiments of the present disclosure relate to the field of display technology, and in particular to a display substrate, a display panel, and a display device. The display substrate includes a first electrode, a first wire, and a second wire; the first electrode is provided with a plurality of slits; the first wire is provided on a side of the first electrode, and a first gap is provided between the first wire and the first electrode, and the first wire being electrically connected to the first electrode; a second wire provided on a side of the first electrode away from the first wire, and a second gap being provided between the second wire and the first electrode; wherein each of the slits is provided with a first end and a second end opposed to each other, and the first end is close to the first wire, and the second end is close to the second wire, and a light-transmitting part of the first end is larger than a light-transmitting part of the second end.
    Type: Application
    Filed: April 3, 2020
    Publication date: May 5, 2022
    Applicants: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yunfei LIU, Wei ZHANG, Jilei GAO, Bin LI, Benzhi XU, Chao LI, Lu NIU, Qi LIU