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公开(公告)号：US20240022683A1
公开(公告)日：2024-01-18
申请号：US17435057
申请日：2021-07-19
Inventor： Baolei YANG
IPC: H04N5/64
CPC classification number: H04N5/64
Abstract: A middle frame and a display device are provided. The middle frame includes a lamination surface, an outside face, and an inside face. A drainage trough is disposed on the lamination surface. A diversion groove and a sealant storage tank are disposed on the outside face. A width of the drainage trough is less than a width of the diversion groove. The width of the diversion groove is less than a width of the sealant storage tank. The above-described configuration can ensure a greatest degree of lamination area, ensuring reliability of lamination, preventing sealant from flowing into a display area, and increasing yield of a display panel.
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公开(公告)号：US20240021766A1
公开(公告)日：2024-01-18
申请号：US17876608
申请日：2022-07-29
Applicant: Huizhou China Star Optoelectronics Display Co., Ltd. , TCL China Star Optoelectronics Technology Co., Ltd.
Inventor： Wenbin WANG , Lijian XIAO , Linlin FU , Guanqiao ZHAO
IPC: H01L33/62 , H01L25/075
CPC classification number: H01L33/62 , H01L25/0753
Abstract: A display panel and a display device are provided. The display panel includes a driving backplate, a plurality of light-emitting diode (LED) chips disposed on a side of the driving backplate, and an adhesive. The adhesive includes a first state and a second state. Viscosity of the adhesive in the second state is less than viscosity of the adhesive in the first state. The driving backplate and the LED chips are fixedly connected to each other by the adhesive in the first state. The adhesive can be converted from the first state into the second state by laser irradiation, and power of the laser is less than 10 w. The driving backplate and the LED chips are attached to each other by the adhesive in the first state, and viscosity of the adhesive in the first state can be reduced by irradiation with a low-power laser.
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公开(公告)号：US20230413455A1
公开(公告)日：2023-12-21
申请号：US17790256
申请日：2022-06-29
Inventor： Jianji ZHANG
CPC classification number: H05K5/0018 , H05K5/03
Abstract: The present provides a foldable display device. When the foldable display device folds, the foldable display device is in an umbrella-like the folding state to reduce a size of the foldable display device in the folding state, which has an advantage of convenience of carrying.
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公开(公告)号：US11726362B1
公开(公告)日：2023-08-15
申请号：US17897285
申请日：2022-08-29
Applicant: Huizhou China Star Optoelectronics Display Co., Ltd. , TCL China Star Optoelectronics Technology Co., Ltd.
Inventor： Jing Liu
IPC: G02F1/1333 , G02F1/1343 , G02F1/1335
CPC classification number: G02F1/133391 , G02F1/133531 , G02F1/134336
Abstract: A display panel, a display module, and a display device are provided. The display panel includes a base substrate, a plurality of pixel units, and a liquid crystal layer. A pixel electrode of each pixel unit includes a trunk electrode, and first branch electrodes and second branch electrodes disposed on both sides of the trunk electrode, respectively. Each pixel unit is divided into a first sub-region and a second sub-region by the trunk electrode. The liquid crystal layer includes a first liquid crystal region and a second liquid crystal region corresponding to the first sub-region and the second sub-region.
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公开(公告)号：US20230251521A1
公开(公告)日：2023-08-10
申请号：US17608157
申请日：2021-08-09
IPC: G02F1/1335 , H10K50/80
CPC classification number: G02F1/133531 , H10K50/868
Abstract: A polarizer, a display panel and a manufacturing method thereof are provided. The display panel includes a cell, a liquid crystal layer and a polarizer. The polarizer includes a polarizing layer and a first glass substrate. The first glass substrate is employed as a protective layer for the polarizing layer, and possesses functions of isolating water vapor, preventing water vapor from damaging the polarizer, thereby avoiding display defects such as light leakage or uneven display of the display panel.
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Patent Agency Ranking
公开(公告)号：US20230101607A1
公开(公告)日：2023-03-30
申请号：US17610164
申请日：2021-10-13
Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD. , SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Inventor： Xiaobo HU
IPC: G09F9/30
Abstract: A bend limiting device includes a flexible support film and limiting chains. The limiting chains are disposed on the flexible support film. Each of the limiting chains includes limiting blocks. Each of the limiting blocks includes limiting structures. One of the limiting structures of one of the limiting blocks is connected to one of the limiting structures of another one of the limiting blocks. When the bend limiting device is bent, two connected limiting structures of two adjacent limiting blocks limit a minimum value of an included angle formed between the two adjacent limiting blocks, so a radius of curvature of each of the limiting chains is limited to be greater than a preset value without being excessively bent. The bent limiting device protects a flexible display panel of a flexible display device from being improperly bent, so as to extend a lifespan of the flexible display device.
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公开(公告)号：US11545072B2
公开(公告)日：2023-01-03
申请号：US17600152
申请日：2021-06-21
Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD. , TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Inventor： Jinfeng Liu , Qingsheng Lan
IPC: G09G3/20
Abstract: A driving device of a display panel and a display device are provided. A source driver expands display data of a low-resolution image to be displayed in a first working mode, and cooperates with the source driver to receive and processes display data of a high-resolution display image in a second working mode, which makes the driving device of the display panel has good compatibility.
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公开(公告)号：US20220392416A1
公开(公告)日：2022-12-08
申请号：US17424552
申请日：2021-04-30
Applicant: Huizhou China Star Optoelectronics Display Co., Ltd. , TCL China Star Optoelectronics Technology Co., Ltd.
Inventor： Fengcheng XU , Jinfeng LIU
IPC: G09G3/36
Abstract: A display panel, a control method thereof, and a storage medium are provided. The method includes acquiring a first actual brightness parameter and a first reference brightness parameter at a first position; determining a first compensated brightness parameter at the first position according to the first reference brightness parameter and the first actual brightness parameter if the absolute value of the difference between the first reference brightness parameter and the first actual brightness parameter is not less than a first threshold; and determining a first target brightness parameter at the first position according to the first compensated brightness parameter and a first preset brightness parameter at the first position.
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公开(公告)号：US12294009B2
公开(公告)日：2025-05-06
申请号：US17622884
申请日：2021-12-17
Applicant: Huizhou China Star Optoelectronics Display Co., Ltd. , TCL China Star Optoelectronics Technology Co., Ltd.
Inventor： Bin Zhao , Juncheng Xiao , Xiaodan Lin
Abstract: A display panel and a method for manufacturing the same are provided. The display panel includes a first bonding area and a second bonding area connected to the first bonding area. The display panel further includes a substrate and a bonding wiring layer. A thickness of a part of the substrate in the second bonding area is less than a thickness of a part of the substrate in the first bonding area. The bonding wiring layer is disposed on surfaces of the parts of the substrate in the first bonding area and the second bonding area. A side surface of the bonding wiring layer away from the first bonding area and a side surface of the substrate away from the first bonding area are located on a same plane.
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公开(公告)号：US12272325B2
公开(公告)日：2025-04-08
申请号：US17611538
申请日：2021-10-13
Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD. , TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Inventor： Baojun Wang
Abstract: An embodiment of the present application discloses a driving method of a display device and a display device. The driving method includes driving steps: step S100: acquiring a first image information and a second image information; step S200: determining whether the current frame image belongs to a dynamic image; step S300: determining whether the current frame image is a heavy load image according to the image information of the current frame image in the dynamic image; and step S400: performing a grayscale energy-saving driving on a corresponding heavy load sub-pixel according to the image information of the heavy load image.
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