Patents Assigned to BOE MLED TECHNOLOGY CO., LTD.
  • Patent number: 12287544
    Abstract: In a backlight module of a display apparatus, the base substrate is a flat plate structure, so that the backlight module can be prevented from being subjected to a bending internal stress, thereby avoiding a damage to the backlight module and ensuring a yield of the display apparatus. At the same time, the difference of backlight brightness provided by the backlight module to different regions of the display panel is smaller, so that brightness uniformity of different regions of the display apparatus can be ensured, and a display effect of the display apparatus is better.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: April 29, 2025
    Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jiwei Sun, Hongli Zhu, Yubiao Li, Jiaxin Li, Kun Lu, Honghao Yu, Donglei Li
  • Patent number: 12284851
    Abstract: A display panel includes a display module and a lens layer. The display module has a display region and includes a plurality of pixel units disposed in the display region and distributed in an array, each pixel unit is configured to emit light. The lens layer is disposed on a display side of the display module. Light emitted by the plurality pixel units passes through the lens layer to form a display image, and the display image includes a plurality of pixels distributed in an array. The number of pixel units included in a row of pixel units in a first direction is less than the number of pixels included in a row of pixels in the first direction. A first pixel distance is smaller than a first pixel unit distance.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: April 22, 2025
    Assignees: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yinwei Chen, Haiwei Sun
  • Patent number: 12284855
    Abstract: A miniature light emitting diode chip, a display substrate and a manufacturing method thereof, and a display device are provided. The miniature light emitting diode chip includes: a substrate, including a first side and a second side; a first contact portion and a plurality of contact portions; and a plurality of miniature light emitting diodes. The miniature light emitting diodes each include a first electrode and a second electrode. An orthographic projection of a combination of the plurality of miniature light emitting diodes and a spacing between any two of the plurality of miniature light emitting diodes falls within the substrate. The first electrode of each of the plurality of miniature light emitting diodes is electrically connected to the first contact portion, and the second electrode of each of the plurality of miniature light emitting diodes is electrically connected to the plurality of second contact portions, respectively.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: April 22, 2025
    Assignees: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xaiwei Yun, Chenchang Chen, Wenchieh Huang, Bo Gao, Xuehai Qian, Meiling Jin, Wenjia Sun, Xiaozhou Liu
  • Patent number: 12278244
    Abstract: A display panel includes: a backplane, a plurality of light-emitting devices, a plurality of connecting leads, a first protective layer and a reflective layer. The backplane includes a first main surface, a second main surface, and a plurality of side surfaces. At least one side surface is as a selected side surface. The plurality of light-emitting devices are disposed on the second main surface and are electrically connected to the plurality of connecting leads. The plurality of connecting leads are disposed on the first main surface, the selected side surface and the second main surface, and each connecting lead sequentially passes through the selected side surface and the second main surface from the first main surface. The first protective layer covers the plurality of connecting leads. The reflective layer includes at least a first portion covering a portion of the first protective layer on the selected side surface.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: April 15, 2025
    Assignees: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Linhui Gong, Chen Li, Chao Liu, Jiacheng Qi
  • Patent number: 12276881
    Abstract: A light-emitting substrate includes a substrate and a plurality of light-emitting assemblies. The plurality of light-emitting assemblies are located on a side of the substrate. At least one light-emitting assembly includes a light-emitting element and a light adjustment portion arranged around the light-emitting element. The light adjustment portion includes a plurality of sub-structures spaced apart from each other. In any two sub-structures in the light adjustment portion in any direction away from the light-emitting element, a height of a sub-structure closer to the light-emitting element is less than a height of a sub-structure farther from the light-emitting element.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: April 15, 2025
    Assignees: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pei Qin, Yutao Hao, Hao Zhou, Donglei Li, Ying Chen, Honghao Yu, Jie Gao, Jiaxin Li, Jingran Niu, Jinpeng Li
  • Patent number: 12272683
    Abstract: A display panel includes a plurality of sub-panels tiled in sequence along a first direction. The sub-panels have a first edge and a second edge in the first direction. The sub-panels include a column of first pixels closest to the first edge, a column of second pixels closest to the second edge, and a plurality of columns of third pixels between the column of first pixels and the column of second pixels. A sum of a distance between effective display bodies in the first pixels and the first edge and a distance between effective display bodies in the second pixels and the second edge is smaller than a spacing between effective display bodies in two adjacent columns of the third pixels.
    Type: Grant
    Filed: December 6, 2023
    Date of Patent: April 8, 2025
    Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Gongtao Zhang, Haiwei Sun, Jian Sang, Fang Wang
  • Publication number: 20250107017
    Abstract: The present disclosure provides a display panel sub-assembly and a tiled display apparatus. The display panel sub-assembly includes a display substrate, and a mounting structure including a base plate disposed opposite to the display substrate, and at least one position adjusting structure extending through the base plate and connected to the display substrate, the at least one position adjusting structure being configured to adjust a relative position between the display substrate and the base plate.
    Type: Application
    Filed: May 10, 2023
    Publication date: March 27, 2025
    Applicants: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Zhonghua Li
  • Patent number: 12261259
    Abstract: A light-emitting chip and a light-emitting substrate are provided. The light-emitting chip includes a base substrate and at least two sub-light-emitting chips disposed on a side of the base substrate, wherein each sub-light-emitting chip includes a first semiconductor layer, a second semiconductor layer and an light-emitting layer located between the first semiconductor layer and the second semiconductor layer which are stacked.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: March 25, 2025
    Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Linxia Qi, Junjie Ma, Yuanda Lu, Shanwei Yang, Jiawei Zhao, Zhijun Xiong, Haiwei Sun, Lingyun Shi, Jinpeng Li
  • Publication number: 20250098383
    Abstract: A display panel includes a substrate, a plurality of connection wires, an isolation region and a first electrostatic discharge structure disposed on a second surface. The substrate includes a first surface and a second surface that are opposite, and a plurality of side surfaces, and at least one of the side surfaces is a selected side surface. The connection wires are arranged side by side at intervals, and each of the connection wires includes a first-segment wire, a second-segment wire and a third-segment wire connected in sequence. The first-segment wire is located on the first surface, the second-segment wire is located on the selected side surface, and the third-segment wire is located on the second surface. The first electrostatic discharge structure is arranged on a side of third-segment wires away from the selected side surface. The isolation region is located between the third-segment wires and the first electrostatic discharge structure.
    Type: Application
    Filed: December 19, 2022
    Publication date: March 20, 2025
    Applicants: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lili WANG, Jing WANG, Chao LIU, Sha FENG, Ming ZHAI, Qi QI
  • Publication number: 20250089409
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes a substrate, a light-emitting layer located at a side of the substrate, and an encapsulation layer located at s side of the light-emitting layer facing away from the substrate; the light-emitting layer comprises a plurality of light-emitting elements, and the encapsulation layer comprises a cut-off filter film layer, wherein the plurality of the light-emitting elements generate emitted light of at least two colors; wherein, the cut-off filter film layer comprises a plurality of filter areas, and one filter area filters the emitted light of one color, so that a wavelength range of the emitted light transmitting through the filter area is narrower than that of emergent light.
    Type: Application
    Filed: November 25, 2022
    Publication date: March 13, 2025
    Applicants: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Heling Zhu, Bing Zhang, Xuerong Wang, Haiwei Sun, Ming Zhai
  • Patent number: 12236846
    Abstract: Provided is a drive circuit including a power supply circuit, an adapter circuit board, and a voltage regulation circuit. The power supply circuit is coupled to the adapter circuit board and configured to transmit a power supply voltage to the adapter circuit board. The adapter circuit board is coupled to the plurality of light-emitting elements by wirings and configured to transmit the power supply voltage to each of the light-emitting elements. The voltage regulation circuit is coupled to the power supply circuit and configured to regulate, according to an ideal operating voltage corresponding to an operating current of each of the light-emitting elements under a target grayscale and a wiring voltage drop on the wiring coupled to each of the light-emitting elements, a magnitude of the power supply voltage output by the power supply circuit, in the case that the display panel displays a picture of the target grayscale.
    Type: Grant
    Filed: November 26, 2021
    Date of Patent: February 25, 2025
    Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Shicai Cao, Zhitao Zhang, Xiurong Wang, Tao Yang, Mengmeng Wang
  • Patent number: 12237449
    Abstract: A backlight module comprises a driving backplate, which comprises multiple pads; multiple light-emitting diodes, which are electrically connected to the pads; and multiple transparent protection structures, which are located on the sides of the multiple light-emitting diodes that are away from the driving backplate, wherein the transparent protection structures cover the light-emitting diodes, there is a first distance between the center of the orthographic projection of each transparent protection structure on the driving backplate and the center of the orthographic projection of each light-emitting diode on the driving backplate; and the length of the orthographic projection of each light-emitting diode on the driving backplate is a second distance, the width of the orthographic projection of each light-emitting diode on the driving backplate is a third distance, the ratio of the first distance to the second distance is less than or equal to 1:2-1:10.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: February 25, 2025
    Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Enkai Dong, Liang Sun, Jiacheng Qi
  • Patent number: 12230189
    Abstract: Embodiments of the present disclosure provide an electronic device and a display driving method. The electronic device includes a plurality of device groups and a plurality of driving elements; a first terminal of at least one device group among the plurality of device groups is coupled with a positive signal line, a second terminal of at least one device group among the plurality of device groups is coupled with an output terminal of any one of the plurality of driving elements, and a reference voltage terminal of any one of the plurality of driving elements is configured to be coupled with a reference signal line.
    Type: Grant
    Filed: April 24, 2022
    Date of Patent: February 18, 2025
    Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xiuling Li, Qibing Gu, Guofeng Hu, Bao Fu, Wenchieh Huang, Lingyun Shi
  • Patent number: 12217715
    Abstract: A driver circuit includes a logic control component and a plurality of pins coupled to the logic control component. The plurality of pins include a clock pin, a data pin and at least two output pins. The clock pin is configured to receive a clock signal. The data pin is configured to receive, under control of the logic control component, a data signal in a period of an active level of the clock signal. The logic control component is configured to generate a driving control signal corresponding to each output pin according to the data signal, so as to control an electrical signal flowing through the output pin.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: February 4, 2025
    Assignees: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Junwei Zhang, Wei Hao, Feifei Wang, Wengang Su, Kaimin Yin, Xingce Shang, Taotao Duan, Liguang Geng, Huangfei Cha, Yu Deng
  • Publication number: 20250040049
    Abstract: A wiring board includes a mother board and a daughter board that are stacked, a bonding layer disposed between the mother board and the daughter board, and at least one side wiring. The mother board includes a first substrate, and a first wiring layer disposed on the first substrate and including at least one first connection pad. The daughter board is disposed on a side of the first substrate away from the first wiring layer. The daughter board includes a second substrate, and a second wiring layer disposed on the second substrate and including at least one second connection pad. The at least one side wiring is connected, via a respective end thereof, to the at least one first connection pad in one-to-one correspondence, and the at least one side wiring is connected, via respective another end thereof, to the at least one second connection pad in one-to-one correspondence.
    Type: Application
    Filed: February 21, 2022
    Publication date: January 30, 2025
    Applicants: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chao LIU, Ting CAI, Ming ZHAI, Lili WANG, Jing WANG, Mingming JIA, Sha FENG, Enkai DONG, Haiwei SUN, Ke WANG
  • Patent number: 12211459
    Abstract: A driving method for a liquid crystal display apparatus includes generating and sending, by a system unit according to image data, respective ones of dimming data groups sequentially; and responding, by a backlight driver, to respective ones of the dimming data groups sequentially; where responding, by the backlight driver, to any one of the dimming data groups comprises: receiving the dimming data group, and sending driving configuration information to each of the signal channels according to the dimming data group. The driving configuration information of any one of the signal channels includes driving data and address related information of a selected microchip in the signal channel, and the selected microchip is the microchip that controls the light emitting zone corresponding to the dimming data in the dimming data group. The method further includes acquiring, by the selected microchip, the driving data according to the driving configuration information.
    Type: Grant
    Filed: June 9, 2022
    Date of Patent: January 28, 2025
    Assignees: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD
    Inventor: Zhitao Zhang
  • Patent number: 12199072
    Abstract: An array substrate, a method of manufacturing the array substrate, and a display device are provided. The array substrate includes: a transparent rigid base; light-emitting chips on the transparent rigid base, each light-emitting chip including a chip body and a pin coupled to the chip body, a light-exiting surface of the chip body facing towards the transparent rigid base, and the pin being on a side of the chip body facing away from the transparent rigid base; a driving wire layer on a side of the pin facing away from the transparent rigid base; and a driving chip structure on a side of the driving wire layer facing away from the transparent rigid base. The driving chip structure is coupled to pins of the plurality of light-emitting chips through the driving wire layer, and is used for provide driving signals for the light-emitting chips.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: January 14, 2025
    Assignees: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jinpeng Li, Ming Zhai, Pei Li, Zhiyuan Wang, Pengjun Cao, Jian Li, Teng Zhang, Zijian Wang, Chiachiang Lin
  • Publication number: 20250015056
    Abstract: A light-emitting substrate and a display device are provided. The light-emitting substrate includes a base substrate, a reflective layer, at least one pad, a light-emitting element and a connecting portion. The reflective layer includes an opening with a maximum size H1 in a first direction; the light-emitting element includes a first electrode and a second electrode arranged at intervals in a second direction, and a maximum size of the first electrode or the second electrode in the first direction is a first size K1; the connecting portion includes an edge radian region with a maximum size M in the first direction; the at least one pad includes a first pad, the first pad includes a first size portion, a minimum distance between the first size portion and the opening in the first direction is a second size K2 which satisfies: K2?0.5H1?0.5(K1+2M), and 50 ?m?H1?2K2?K1?100 ?m.
    Type: Application
    Filed: May 26, 2022
    Publication date: January 9, 2025
    Applicants: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Ying Chen, Yutao Hao, Donglei Li, Lili Jia, Jingran Niu, Pei Qin, Honghao Yu, Jiaxin Li, Jie Gao, Xueqiao Li, Shanwei Yang
  • Publication number: 20240408701
    Abstract: The present disclosure provides a welding-pad repair device and a welding-pad repair method. The device includes: a de-soldering component, an insulating layer removal component and a cleaning component; a welding-pad coating mechanism for forming an initial welding pad, where the welding-pad coating mechanism includes a coating component and a curing component; and a welding-pad encapsulation mechanism for performing an encapsulation operation on a welding pad and a circuit exposed at a periphery of the initial welding pad to form a new welding pad having a predetermined exposure pattern. Embodiments of the present disclosure provide a welding-pad repair device and a welding-pad repair method capable of effectively repairing defective pads before and after dies are bonded, thereby solving problems of low product yield and high cost caused by defective welding pads.
    Type: Application
    Filed: July 24, 2023
    Publication date: December 12, 2024
    Applicants: BOE MLED TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Wei Zhang, Pengju Hu, Yang Yu, Junchao Lu
  • Patent number: 12159594
    Abstract: A method for generating driving signal is provided. The method includes generating by a first circuit, a first driving signal for a first frame of image, the first driving signal comprising a plurality of first pulse width modulation signals; transmitting the plurality of first pulse width modulation signals to a modulation controller; detecting a vertical synchronization signal; determining whether a most recent first pulse width modulation signal is partially generated when the vertical synchronization signal is detected; and upon determination that the most recent first pulse width modulation signal is partially generated, determining whether to delay generating a second driving signal for a second frame of image.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: December 3, 2024
    Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Wei Hao, Chinghua Hung, Lingyun Shi, Feifei Wang, Wengang Su, Xingce Shang, Kaimin Yin, Junwei Zhang, Taotao Duan