Patents Assigned to CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
  • Publication number: 20210167149
    Abstract: A display substrate, a method for manufacturing a display substrate, and a display device are provided. The display substrate includes an effective display area, a punch area, and a critical area between the effective display area and the punch area. The critical area of the display substrate includes: a substrate, and at least one first barrier wall on the substrate. The at least one first barrier wall is a convex structure.
    Type: Application
    Filed: May 27, 2020
    Publication date: June 3, 2021
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Pan Zhao, Zhiliang Jiang, Ge Wang
  • Publication number: 20210166624
    Abstract: A pixel driver circuit, a display device, and a pixel driving method are provided. The pixel driver circuit includes a driving module for providing a drive current to a pixel; a threshold voltage compensation module for providing threshold voltage compensation for the driving module; and a first switch module, a second switch module, a third switch module, and a fourth switch module, the terminals of each of which are electrically connected to various components in a particular manner. According to the embodiments of the present application, the threshold voltage of the driving transistor can be effectively compensated.
    Type: Application
    Filed: March 13, 2020
    Publication date: June 3, 2021
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jing HE, Chunmiao TANG, Ting LI, Zhonglin CAO, Yuanjie XU, Pengcheng ZANG, Yao LI
  • Patent number: 11024825
    Abstract: The present disclosure provides an array substrate, a method for manufacturing the same, and a display device. The array substrate includes a substrate, a first dielectric layer disposed on the substrate, the first dielectric layer having recesses, a first conductive layer covering the first dielectric layer, and auxiliary conductive portions disposed at in the recesses and contacting the first conductive layer.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: June 1, 2021
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pohsien Wu, Hungchieh Hu, Yujhun Song, Chenyu Chen, Yuhsiung Feng
  • Patent number: 11021059
    Abstract: This disclosure relates to a vehicular display assembly and a vehicle, and the vehicular display assembly includes: a storage box; and a display device arranged on an opening side of the storage box, wherein the display device includes a laid state or a folding state, wherein the display device which is laid shields the opening of the storage box, and the display device which is folded exposes at least a part of the opening of the storage box.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: June 1, 2021
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yuhsiung Feng, Wenbao Gao, Jia Zeng
  • Patent number: 11024817
    Abstract: The preset disclosure provide a display panel and a manufacturing method thereof and a display device. The display panel includes a display area and a peripheral area located in a periphery of the display area; wherein a stress absorption structure is provided in the peripheral area of the display panel.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: June 1, 2021
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuanqi Zhang, Ge Wang, Jianpeng Wu
  • Patent number: 11016624
    Abstract: The present disclosure provides a touch display panel and a manufacturing method thereof and a display device, the touch display panel includes a first substrate and a second substrate arranged oppositely, light emitting units are arranged on the first substrate, each light emitting unit includes a first electrode, a light emitting layer and a second electrode which are arranged in sequence along a direction away from the first substrate; a touch control layer is arranged on the second substrate and includes a first touch pattern and a second touch pattern, the second touch pattern is located on a side of the first touch pattern distal from the second substrate, auxiliary electrodes are arranged on the second substrate, the auxiliary electrodes are spaced apart from the second touch pattern and arranged in a same layer as the second touch pattern, the auxiliary electrodes are in electrical contact with the second electrodes.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: May 25, 2021
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yangpeng Wang, Haihong Zheng, Zhenhua Zhang, Yingsong Xu, Guoqiang Ma, Yuanyuan Chai
  • Patent number: 11017722
    Abstract: The present disclosure relates to a display substrate, a display device, and a control method thereof. The display substrate includes a plurality of pixels, each of which includes a first sub-pixel, a second sub-pixel, a third sub-pixel, and a fourth sub-pixel. The first sub-pixel, the second sub-pixel, and the third sub-pixel have different light emission colors. The fourth sub-pixel has the same light emission color as the first sub-pixel. The first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel all emit light, in a case where an ambient temperature is less than a first threshold. The second sub-pixel and the third sub-pixel both emit light, and one of the fourth sub-pixel and the first sub-pixel emits light, in a case where the ambient temperature is greater than or equal to the first threshold.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: May 25, 2021
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chao Kong, Yamin Yang
  • Publication number: 20210150987
    Abstract: A display module Gamma correction method includes: obtaining corrected Gamma register values corresponding to binding points of a grayscale by correcting register values of s binding points selected from a set of m binding points of the grayscale based on a group of initial Gamma register values that correspond to the m binding points and a target Gamma curve; selecting, from x sets of alternate Gamma register values wherein each set corresponds to m binding points and the initial Gamma register values, a set of Gamma register values used for Gamma correction of the display module(s) as reference register values; and; and correcting register values of remaining m?s binding points based on the reference Gamma register values and the target Gamma curve to obtain a set of target Gamma register values corresponding to the m binding points, wherein s, m and x are all integers greater than one.
    Type: Application
    Filed: August 12, 2019
    Publication date: May 20, 2021
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xue JIANG, Wei HE, Zhiyong YANG, Jing WANG, Liwei HUANG, Xiaohong CHEN, Lihong WU
  • Publication number: 20210147976
    Abstract: The present disclosure provides a fine metal mask and a method for manufacturing the same, a mask assembly and a display substrate. The fine metal mask includes: a mask pattern region and a non-mask region disposed at a periphery of the mask pattern region. The mask pattern region includes at least one first grid pattern region, a barrier ring pattern disposed around the first grid pattern region, and a second grid pattern region disposed at an outer periphery of the barrier ring pattern.
    Type: Application
    Filed: August 20, 2020
    Publication date: May 20, 2021
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Shihsyong HUANG
  • Patent number: 11011719
    Abstract: The present disclosure relates to an electroluminescence device, a lighting panel and a vehicle lamp group. An electroluminescence device includes an anode, a cathode and a functional layer between the anode and the cathode, which includes: a light emitting layer; a first type carrier transport layer on a first side of the light emitting layer, configured to transport a first type carrier and a second type carrier and having a light emitting function; and a second type carrier block layer between the light emitting layer and the first type carrier transport layer, configured to block migration of the second type carrier when a working voltage is within a first voltage range and allow the second type carrier to cross the second type carrier block layer when the working voltage is within a second voltage range, within which any voltage value is greater than that within the first voltage range.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: May 18, 2021
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xin Mou, Yuhsiung Feng
  • Patent number: 11009647
    Abstract: The present disclosure relates to a backlight source device, a light guide plate, and a display device. The backlight source device according to an embodiment of the present disclosure includes a light guide plate, a light source and a plastic frame, the light source is provided at an end of the light guide plate and is opposite to a side wall of the light guide plate; the plastic frame is provided at least at an end of the light guide plate away from the light source, wherein a plurality of wedge-shaped recesses are provided at an end of a light emitting surface of the light guide plate away from the light source.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: May 18, 2021
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yihong Ma, Jia Chen, Lichuan Xiao
  • Patent number: 11006525
    Abstract: A display device and a method of manufacturing the same are provided. The display device includes a display panel having a display region and a non-display region that are divided in a plane where a light-emitting surface of the display panel is located, a drive circuit plate being disposed on the non-display region; a light transmission layer which is extended from the display region to above the drive circuit plate within the non-display region and has an opening, the opening being adjacent to a boundary of the drive circuit plate close to the display region and being disposed on a side of the drive circuit plate close to the display region.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: May 11, 2021
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dexiong Song, Zhiyong Yang, Kaimin Wang, Dongpan Yao, Gong Chen, Chengyi Li, Guangjie Yang, Jiming Zhang, Caihua Cheng, Yu Du, Xuemei Deng
  • Patent number: 11005015
    Abstract: The disclosure discloses a method and apparatus for detecting an electromagnetic touch, where organic light-emitting diodes arranged in an array in an organic light-emitting diode display panel are controlled to be lightened row by row, and detection current flowing through the lightened organic light-emitting diodes is obtained in real time. The detection current of each of the lightened organic light-emitting diodes includes inductive current of the organic light-emitting diode, and driving current of the organic light-emitting diode being lightened, and the inductive current is the current, generated by the organic light-emitting diode, related to magnetic induction intensity of a magnetic field emitted by a magnetic field emitting apparatus only when the lightened organic light-emitting diodes senses the magnetic field, a position of an electromagnetic touch can be determined according to the driving current of each of the organic light-emitting diodes, and the obtained detection current thereof.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: May 11, 2021
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Weilong Zhou, De Yuan
  • Patent number: 11002904
    Abstract: This application discloses a display device. The display device includes a display module, a frame surrounding the sides of the display module, a backlight module stacked with the display module, and a backplane. The frame includes holes. The backplane includes a main plane, side walls, and protrusions. The main plane is located on a side of the backlight module away from the display module. The side walls extend from the edges of the main plane toward the display module and are perpendicular to the main plane. The protrusions are located on the side walls and each of the protrusions is embedded in a corresponding one of the holes of the frame.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: May 11, 2021
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Fujian Ren, Liang Li, Tianma Li, Dake Wang, Guohui Wang, Qijun Zhang, Donglong Lin, Shulin Qin
  • Publication number: 20210134904
    Abstract: Provided is a display panel and a method for manufacturing the same, and a display device. The display panel includes a display area and a peripheral area including a first and a second peripheral area. The peripheral area includes a substrate, a first planarization layer and a first dam located above the substrate, the first dam including a corner portion and a straight portion located at the first and second peripheral area respectively. An edge of an orthographic projection of the first planarization layer on the substrate away from the display area is a first edge, an edge of an orthographic projection of the first dam on the substrate close to the display area is a second edge; in the first and second peripheral area, a minimum distance between the first edge and the second edge is a first and a second distance greater than the first distance respectively.
    Type: Application
    Filed: October 30, 2019
    Publication date: May 6, 2021
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Erjin ZHAO, Zhiliang JIANG
  • Publication number: 20210132721
    Abstract: The present disclosure provides a touch screen, a manufacturing method thereof, and a touch display device. The touch screen includes: a substrate; a touch layer and a bonding layer that are on a side of the substrate, the bonding layer being connected to the touch layer by a metal wire; a flexible circuit board connected to the bonding layer; a polarizer on a side of the touch layer away from the substrate and provided with a notch exposing the bonding layer and at least a portion of the metal wire; an insulating light-shielding strip covering the portion of the metal wire exposed by the notch and extending to a side of the polarizer close to the substrate; and a cover plate on a side of the polarizer away from the substrate and including a transparent window area and a shielding area around the transparent window area.
    Type: Application
    Filed: November 4, 2019
    Publication date: May 6, 2021
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zewen Ll, Hongqiang LUO, Kwanggyun JANG, Zhen GUO
  • Publication number: 20210134894
    Abstract: A display substrate includes a substrate, a pixel-defining layer configured to define a plurality of sub-pixel regions, and a plurality of sub-pixels having at least two colors, each arranged within each of the plurality of sub-pixel regions. The pixel-defining layer and the plurality of sub-pixels are disposed over the substrate. The pixel-defining layer includes a plurality of first pixel-defining portions and a plurality of second pixel-defining portions. Each of the plurality of first pixel-defining portions is configured to separate neighboring sub-pixels of different colors. Each of the plurality of second pixel-defining portions is configured to separate neighboring sub-pixels of the same color. At least one of the plurality of second pixel-defining portions has a smaller width than any one of the plurality of first pixel-defining portions.
    Type: Application
    Filed: October 23, 2018
    Publication date: May 6, 2021
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chuan PENG, Yan CUI, Yu ZHANG
  • Patent number: 10997905
    Abstract: The present disclosure discloses a display panel and a display device. At least one load compensation unit is arranged in a non-display area, and the at least one load compensation unit can be configured to adjust the charging time of pixels by controlling gate lines, thereby making brightness of each area of the display screen uniform.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: May 4, 2021
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhenxiao Tong, Weiyun Huang, Xiangdan Dong, Tingliang Liu, Yunsheng Xiao
  • Patent number: 10997952
    Abstract: A display panel and a driving method thereof, and a display device are disclosed. The display panel includes: a pixel region, including a first pixel region and a second pixel region located around the first pixel region, the first pixel region and the second pixel region each including a plurality of pixels; a photosensitive layer, located at least in the second pixel region; a cover plate, on a side of the pixel region for displaying, and the cover plate including a light transmission region and a light shielding layer surrounding the light transmission region. The light shielding layer coincides with at least a portion of the second pixel region in a direction perpendicular to the cover plate, and the photosensitive layer is configured to determine a position of the light transmission region.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: May 4, 2021
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Young Yik Ko, Tingliang Liu, Xiangdan Dong, Jinsan Park
  • Patent number: 10998530
    Abstract: A display panel is disclosed. The display panel includes: a base substrate; a gate electrode on the base substrate; an active layer spaced apart from the gate electrode by a gate insulating layer; a light emitting layer disposed on a side of the active layer away from the gate electrode; and a source electrode and a drain electrode, configured in such a way that a current is allowed to flow through the light emitting layer via the active layer, wherein an energy level transition layer is provided between the active layer and the light emitting layer.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: May 4, 2021
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guoqiang Tang, Yingsong Xu