Patents Assigned to BOE MLED TECHNOLOGY CO., LTD.
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Publication number: 20240170497Abstract: 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: ApplicationFiled: May 25, 2021Publication date: May 23, 2024Applicants: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Linhui GONG, Chen LI, Chao LIU, Jiacheng QI
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Publication number: 20240164022Abstract: A display module includes a display panel with a plurality of bonding electrodes arranged at intervals along a selected side edge of a non-display surface and divided into two bonding electrode groups, a first flexible circuit board and a second flexible circuit board. For the first flexible circuit board, each first conductive contact piece in a first wiring region is connected to a bonding electrode in a first bonding electrode group. For the second flexible circuit board, each second conductive contact piece in a second wiring region is connected to a bonding electrode in a second bonding electrode group. The first wiring region is closer to the selected side edge than the second wiring region in a first direction. The first fan-out region is spaced apart from the second wiring region in a second direction perpendicular to the first direction.Type: ApplicationFiled: November 1, 2021Publication date: May 16, 2024Applicants: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jing WANG, Mingming JIA, Lili WANG, Sha FENG, Chao LIU, Ming ZHAI, Haiwei SUN, Lingyun SHI, Liqiang WANG, Jingjing ZHANG
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Patent number: 11984052Abstract: A display device of embodiments of the present disclosure includes: a plurality of display panels each having a display side and a back side opposite to each other; a positioning substrate facing the back side of the display panel; and a plurality of connection structures, each of the plurality of display panels corresponding to at least one connection structure and being fixed on the positioning substrate by bonding through its corresponding connection structure(s); wherein each connection structure includes: a fixing member connected to the back side of the display panel; a first connection member detachably connected to the fixing member; and a second connection member detachably connected to the positioning substrate, and configured to be bonded to the first connection member through a first bonding structure, so that the display panel is fixed on the positioning substrate by bonding.Type: GrantFiled: May 28, 2020Date of Patent: May 14, 2024Assignees: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventor: Shipeng Wang
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Patent number: 11960167Abstract: A backplane includes: a substrate including a circuit structure layer, a first reflective layer disposed on a bearing surface of the substrate, a plurality of light-emitting diode chips, and a plurality of optical structures. The first reflective layer includes a plurality of through holes spaced apart. A light-emitting diode chip in the plurality of light-emitting diode chips is located in one of the plurality of through holes. The plurality of light-emitting diode chips are electrically connected to the circuit structure layer. The circuit structure layer is configured to drive the plurality of light-emitting diode chips to emit light. An optical structure in the plurality of optical structures covers the light-emitting diode chip, a light incident surface of the optical structure is in contact with a light exit surface of the light-emitting diode chip, and a light exit surface of the optical structure is a curved surface.Type: GrantFiled: February 5, 2021Date of Patent: April 16, 2024Assignees: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Pei Li, Haiwei Sun, Ming Zhai, Lu Yu, Kangle Chang, Jinpeng Li, Pengjun Cao, Yutao Hao, Shubai Zhang, Shuo Wang, Pei Qin, Zewen Gao, Yali Zhang
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Publication number: 20240097085Abstract: A display panel (10) includes a circuit backplane (1) and a reflective layer (3). The circuit backplane (1) includes a first main surface (11), a second main surface (12), and a plurality of side surfaces (13). The second main surface (12) is disposed opposite to the first main surface (11). The side surfaces (13) each connect the first main surface (11) and the second main surface (12). At least one side surface in the plurality of side surfaces (13) is a selected side surface (13a). The selected side surface (13a) is covered by the reflective layer (3), the reflective layer (3) being configured to be removed under a predetermined process condition.Type: ApplicationFiled: July 4, 2022Publication date: March 21, 2024Applicants: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lili WANG, Sha FENG, Chao LIU, Jing WANG, Mingming JIA, Chuhang WANG, Qi QI
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Patent number: 11892667Abstract: The present disclosure discloses a display panel which includes a substrate with varied reflectivity dependent upon different wavelengths; a plurality of light emitting diodes located on the substrate; and a light adjusting layer located on the substrate, wherein the light adjusting layer and the plurality of light emitting diodes are located on the same side of the substrate, the transmittance of material forming the light adjusting layer is varied dependent upon different wavelengths, and the transmittance change of the light adjusting layer at different wavelengths is inversely correlated with the change of the reflectivity of the substrate at the corresponding wavelengths.Type: GrantFiled: September 30, 2021Date of Patent: February 6, 2024Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jingfu Tao, Jian Sang, Lu Yu, Haiwei Sun
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Patent number: 11872802Abstract: Disclosed are a pattern transfer apparatus and a pattern transfer method. The pattern transfer method includes: transferring a pattern to a flexible printing substrate; and transferring the pattern on the printing substrate to a bending surface of a rigid carrier through an elastic rubber head.Type: GrantFiled: January 12, 2021Date of Patent: January 16, 2024Assignees: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Linhui Gong, Chao Liu, Qiangwei Cui, Ke Meng, Haiwei Sun
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Patent number: 11868003Abstract: The embodiments of the present disclosure provide a driving backplate and a display device adopting the following solutions. The driving backplate comprises: a substrate; a first reflective layer disposed on the substrate; the first reflecting layer is provided with a plurality of first openings; an outline of the first opening comprises a plurality of first grooves; a functional element disposed within the first opening; and a dispensed portion arranged at a periphery of the functional element, and at least part of the first groove is filled by one side of the dispensed portion close to the first reflecting layer.Type: GrantFiled: September 16, 2021Date of Patent: January 9, 2024Assignees: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Junjie Xie, Yezhou Tan, Zhenxing Luo, Bin Xiang, Pei Li, Pengjun Cao
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Patent number: 11862617Abstract: 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: GrantFiled: March 18, 2020Date of Patent: January 2, 2024Assignees: BOE MLED Technology Co., Ltd, BOE Technology Group Co., Ltd.Inventors: Gongtao Zhang, Haiwei Sun, Jian Sang, Fang Wang
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Patent number: 11783738Abstract: A spliced display panel includes: a spliced substrate having first openings, spliced screen units disposed on a side of the spliced substrate, electronic devices disposed on a side of the spliced substrate away from the spliced screen units, and circuit components. The spliced screen units are divided into spliced screen unit groups, and each spliced screen unit group includes at least one spliced screen unit. A first opening corresponds to a spliced screen unit group, and exposes a part of a whole of the at least one spliced screen unit in the spliced screen unit group. A circuit component passes through one first opening, an end of the circuit component is electrically connected to a spliced screen unit, and another end thereof is electrically connected to at least one electronic device.Type: GrantFiled: January 21, 2021Date of Patent: October 10, 2023Assignees: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Gongtao Zhang, Haiwei Sun, Jian Sang, Yezhou Tan, Fang Wang, Shipeng Wang
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Patent number: 11742361Abstract: A display substrate, a method for manufacturing a display substrate and a display device are provided, and the display substrate includes: a base having a first surface, a second surface and a side surface, the base includes a display area and an epitaxial area; a driving functional layer in the display area and first binding electrodes in the epitaxial area on the first surface, the first binding electrodes are coupled with the driving functional layer; second binding electrodes located on the second surface and coupled with the first binding electrodes through side wirings; a portion of each side wiring is located on the side surface; a blocking wall on the first surface and in the epitaxial region, an orthographic projection of the blocking wall on the base at least passes through spacing regions between every two adjacent first binding electrodes along an arrangement direction of the first binding electrodes.Type: GrantFiled: June 22, 2021Date of Patent: August 29, 2023Assignees: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Linhui Gong, Chao Liu
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Patent number: 11735101Abstract: An electronic substrate and a driving method thereof, and a display device. The electronic substrate includes a pixel drive chip which includes at least one signal terminal, a signal generation circuit, a data storage circuit, and an output circuit; at least one signal terminal is configured to be electrically connected to the light-emitting element; the signal generation circuit is connected to at least one signal terminal and configured to receive an input signal through the at least one signal terminal and generate a clock signal according to the input signal; the data storage circuit is configured to receive the clock signal and store the input signal according to the clock signal; and the output circuit is configured to output a current, which is generated according to the stored input signal and used for driving the light-emitting element, though at least one signal terminal.Type: GrantFiled: September 10, 2020Date of Patent: August 22, 2023Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Wenchieh Huang, Lingyun Shi, Ming Chen, Xue Dong
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Patent number: 11727861Abstract: Provided are a pixel drive circuit, a drive circuit of a display panel, and a display apparatus. The pixel drive circuit includes a switch unit and a drive unit, the switch unit is connected to the drive unit, and the drive unit is configured to be connected to a plurality of sub-pixel units; the switch unit is configured to receive a scan signal and a data signal, be switched on under action of the scan signal, and send the data signal to the drive unit; and the drive unit is configured to send the data signal to the plurality of sub-pixel units connected thereto in a time division manner.Type: GrantFiled: February 7, 2021Date of Patent: August 15, 2023Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiurong Wang, Wei Hao, Lingyun Shi, Qibing Gu, Guofeng Hu, Tao Yang, Mengmeng Wang, Wenhao Liu
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Patent number: 11711899Abstract: Installation structures for tiled displays and tiled displays are provided. A tiled display includes a plurality of sub-display panels each of which is installed on a respective installation structure. The installation structure includes: a frame body, on which a corresponding sub-display panel is installed; a movable part provided on an outer side of the frame body; and an adjustment rod, an end of which penetrates through the frame body and cooperates with the movable part, where the adjustment rod is rotatable relative to the frame body, and rotation of the adjustment rod can drive the movable part to move close to or away from the frame body. The tiled display includes the installation structure for the tiled display.Type: GrantFiled: September 29, 2021Date of Patent: July 25, 2023Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Gongtao Zhang, Xuerong Wang, Haiwei Sun
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Patent number: 11676549Abstract: The embodiments of the present application disclose a method of controlling display of a display device, an apparatus thereof and a display apparatus. The display device includes a backlight unit and a display panel, wherein the backlight unit includes a plurality of backlight partitions, each of which is independently driven, and the display panel includes a plurality of display partitions in one-to-one correspondence with the backlight partitions. The method comprises: causing the display panel to display a test image, wherein each pixel of the test image has a same gray value; acquiring a luminance of each display partition of the display panel; determining a compensation coefficient according to the luminance of each display partition; adjusting backlight data of the backlight partition according to the compensation coefficient to obtain adjusted backlight data of each backlight partition; and providing the adjusted backlight data to the backlight unit for display by the display panel.Type: GrantFiled: May 25, 2020Date of Patent: June 13, 2023Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Mengmeng Wang, Xiurong Wang, Xiaomang Zhang, Wenhao Liu, Juanjuan Shi
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Patent number: 11630348Abstract: A backlight module and a display device are disclosed. The backlight module includes: a back plate (1); a middle frame (3) disposed on the back plate (1); a light-emitting substrate (2) disposed on the back plate (1) and in the middle frame (3), the light-emitting substrate (2) including a first light-emitting area (203) and a second light-emitting area (204) surrounding the first light-emitting area (203), and the second light-emitting area (204) being close to an edge of the light-emitting substrate (2); a light compensation structure (100) close to the edge of the light-emitting substrate (2), the light compensation structure (100) including one or more light conversion materials. The backlight module and the display device can improve the display effect.Type: GrantFiled: June 10, 2022Date of Patent: April 18, 2023Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Pei Qin, Yutao Hao, Donglei Li, Hui Liu, Shuo Wang, Jiaxin Li, Ying Chen, Jie Gao, Honghao Yu
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Patent number: 11587506Abstract: Pixel structure, driving method thereof and display device are disclosed. The pixel structure includes: light-emitting device having first electrode coupled to corresponding first voltage line. Driving chip includes: receiving circuit configured to decode first digital clock signal on first control line in display phase to obtain first address data and light emission data; address storage circuit configured to store reference address data before the display phase; data processing circuit configured to output PWM signal and current control signal corresponding to each light-emitting device according to the light emission data when the first address data is the same as the reference address data; current output circuit configured to output driving current according to the current control signal; and gating circuit configured to sequentially receive the PWM signal corresponding to each light-emitting device and transmit the driving current to the output terminal when the PWM signal is in active-level state.Type: GrantFiled: March 30, 2020Date of Patent: February 21, 2023Assignees: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hong Liu, Qibing Gu, Lingyun Shi, Ming Chen, Xiurong Wang, Guofeng Hu, Mingjian Yu, Donghui Wang
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Publication number: 20230048591Abstract: 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: ApplicationFiled: May 28, 2021Publication date: February 16, 2023Applicants: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yinwei CHEN, Haiwei SUN
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Patent number: 11579475Abstract: A method of controlling a display apparatus includes: when the display apparatus is in a privacy display mode, obtaining, by an image processor, a plurality of frames of display images according to a frame of original image, transmitting, by the image processor, the plurality of frames of images to a display controller; controlling, by the display controller, the display panel to display the plurality of frames of display images in sequence within a display time of the frame of original image, and controlling, by the display controller, the grating panel to form light-transmitting regions and non-light-transmitting regions that are alternately arranged when the display panel displays each frame of display image, so as to limit an exit angle of light exiting from the display side of the display apparatus, the exit angle being within a range of a privacy viewing angle.Type: GrantFiled: May 8, 2020Date of Patent: February 14, 2023Assignees: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yinwei Chen, Haiwei Sun
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Patent number: 11574936Abstract: A display panel, a preparation method thereof, and a display device are disclosed. The display panel includes: a plurality of pixel units arranged in an array; a plurality of first signal lines extending in a first direction and arranged in a second direction; and a plurality of first connecting electrodes arranged in the second direction; where the first direction intersects with the second direction. The plurality of pixel units form m pixel rows arranged in sequence along the first direction and each extending along the second direction, where m is an integer greater than 1; and a projection of at least one pixel unit in an m-th pixel row on a plane perpendicular to the second direction and projections of the first connecting electrodes on the plane perpendicular to the second direction have an overlapped area.Type: GrantFiled: March 15, 2021Date of Patent: February 7, 2023Assignees: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Linhui Gong, Chao Liu, Haiwei Sun