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公开(公告)号:US12035586B2
公开(公告)日:2024-07-09
申请号:US17312905
申请日:2020-12-30
Inventor: Hao Cheng , Yufei Ji , Liang Song , Pengyu Liao , Xin Li , Chuanyong Deng , Pan Hou , Honggang Gu
IPC: H10K59/131 , H10K59/12 , H10K59/80 , H10K71/60
CPC classification number: H10K59/131 , H10K59/1201 , H10K59/873 , H10K71/60
Abstract: The present disclosure provides a display panel, a manufacturing method thereof, and a display device. The display panel includes: a base substrate including a through hole penetrating through the base substrate, an encapsulation region of the base substrate including an edge surrounding the through hole; and a post spacer arranged between the edge of the encapsulation region surrounding the through hole and the through hole. The post spacer includes a first portion made of metal and a post body made of an insulating material, a distance between the first portion and the base substrate is greater than a distance between the post body and the base substrate, and an area of an orthogonal projection of the first portion onto the base substrate is greater than an area of an orthogonal projection of the post body onto the base substrate.
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公开(公告)号:US20230350242A1
公开(公告)日:2023-11-02
申请号:US17309489
申请日:2021-01-08
Inventor: Heling Zhu , Jie Liu , Xin Li , Bo Han , Hai Tang , Jianwei Qin , Jian Sang , Lu Yu , Haiwei Sun
IPC: G02F1/13 , G02F1/1343 , G02F1/1335 , G02F1/13357 , G02F1/1333
CPC classification number: G02F1/133308 , G02F1/1323 , G02F1/133512 , G02F1/133528 , G02F1/133606 , G02F1/133608 , G02F1/134309 , G02F1/1334
Abstract: A display device is provided, including: a back plate; a plastic frame connected to the back plate; a backlight module a privacy film on a light emitting side of the backlight module; and a dimming sheet on a side of privacy film away from the back plate, wherein the dimming sheet is configured to be capable of adjusting a viewing angle of the display device. The plastic frame includes a first surface and a side end face, the first surface is a surface of the plastic frame close to the dimming sheet, the side end face is a side face of the plastic frame close to the dimming sheet, the plastic frame further includes a chamfered portion at a transition position between the side end face and the first surface, and the chamfered portion has a rough surface that is configured for diffracting the light incident on the chamfered portion.
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63.
公开(公告)号:US11640801B2
公开(公告)日:2023-05-02
申请号:US17425044
申请日:2021-01-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: G09G3/34
Abstract: The present disclosure relates to a display apparatus, a display drive circuit and a driving method of an electronic paper display unit, which relates to the field of display technology. The display drive circuit includes a display control circuit, the display control circuit includes a capacitor unit, a radio frequency circuit, a voltage collection circuit, and a control circuit. The radio frequency circuit includes an induction circuit and a communication circuit. The induction circuit can charge the capacitor unit in response to a radio frequency signal of the terminal device. The collection circuit can collect the voltage of the capacitor unit. The control circuit can perform the transmission action when the voltage of the capacitor unit reaches an operating threshold voltage of the electronic paper display unit; turn off the voltage collection circuit and the communication circuit after the transmission action is completed.
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公开(公告)号:US11581509B2
公开(公告)日:2023-02-14
申请号:US16930334
申请日:2020-07-16
Applicant: BOE Technology Group Co., Ltd.
Inventor: Xin Li , Xing Fan , Liangyu Shi
IPC: H01L51/00 , H01L51/52 , G02F1/13 , H01L51/56 , G02F1/1335
Abstract: A display panel includes a light-emitting device on a substrate and an encapsulation structure on a light output surface on one side of the light-emitting device. The encapsulation structure includes a first inorganic layer and a fluoro-polymeric layer. Ductility and bending resistance of the fluoro-polymeric layer are greater than those of the first inorganic layer. Defects between the fluoro-polymeric layer and the first inorganic layer are fewer than those between the first inorganic layer and another layer.
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公开(公告)号:US11501709B2
公开(公告)日:2022-11-15
申请号:US17552570
申请日:2021-12-16
Inventor: Chengji Deng , Dongyu Gao , Huihui Li , Han Nie , Jia Chen , Xin Li , Gen Zhao
IPC: G09G3/3233 , H01L27/32 , H01L51/50
Abstract: The embodiment of the present disclosure provides a display panel and a display device. The display panel includes: a first sub-pixel configured to display a first color, a second sub-pixel configured to display a second color, and a third sub-pixel configured to display a third color; when a picture displayed by the display panel is switched from a black picture to a picture having a maximum gray scale of the first color, the second color and the third color, respectively, a ratio of a brightness of a first frame of picture to a maximum value among brightness of stabilized several frames of pictures is a first initial frame brightness proportion, a second initial frame brightness proportion and a third initial frame brightness proportion, respectively; the first, second and third initial frame brightness proportions have a Max-Min less than or equal to a threshold.
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66.
公开(公告)号:US11474556B2
公开(公告)日:2022-10-18
申请号:US16769297
申请日:2019-03-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Yanfu Li , Liming Xiu , Xin Li
IPC: H04B10/516 , G06F1/10 , G06F1/08
Abstract: The present disclosure provides an optical communication drive circuit and method, an optical communication transmitter, an optical communication system, and a vehicle. The optical communication drive circuit includes a clock circuit and a modulation circuit. The clock circuit is configured to output a clock signal with an initial frequency signal as an input under control of information to be transmitted. The clock signal includes alternating first and second frequency signals, the first frequency signal and the second frequency signal having different frequencies and being generated based on the initial frequency signal; and the modulation circuit is configured to modulate an optical signal by the clock signal to obtain a modulated optical signal.
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公开(公告)号:US11362167B2
公开(公告)日:2022-06-14
申请号:US16913319
申请日:2020-06-26
Applicant: BOE Technology Group Co., Ltd.
Inventor: Xin Li , Lujiang Huangfu , Xing Fan
IPC: H01L27/32 , G09G3/3225 , H01L27/12
Abstract: The present disclosure provides a display substrate, including a substrate, a first power line on the substrate, a second power line, and a plurality of pixel groups, each of which includes a plurality of pixels arranged in a first direction, the plurality of pixel groups are arranged in a second direction parallel to an extending direction of the first power line, the second direction is different from and intersects with the first direction, each of the plurality of pixels includes a light emitting unit having a first electrode and a second electrode, the first electrode of the light emitting unit is coupled to the first power line through an additional resistor with an additional resistance, and the second electrode of the light emitting unit is coupled to the second power line through an equivalent resistor with an equivalent resistance.
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公开(公告)号:US11195868B2
公开(公告)日:2021-12-07
申请号:US16442200
申请日:2019-06-14
Inventor: Qianqian Bu , Xin Li
IPC: H01L21/00 , H01L27/146 , G01S15/08 , G01S15/89
Abstract: This disclosure provides an image distance sensor and a manufacture method thereof, as well as a ranging device. The image distance sensor includes a semiconductor substrate, and an image sensing unit and a distance sensing unit formed on the semiconductor substrate. The image sensing unit and the distance sensing unit are formed in a same manufacture process.
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公开(公告)号:US20210119618A1
公开(公告)日:2021-04-22
申请号:US16975267
申请日:2019-10-21
Inventor: Xiangye Wei , Liming Xiu , Yiming Bai , Xin Li
Abstract: A digital clock circuit is provided. The digital clock circuit includes a first sub-circuit comprising a first digitally-controlled oscillator driven by a frequency control word to control a first output frequency synthesized from multiple first pulses, and a first frequency divider to generate a trigger signal having a frequency equal to 1/M of the first output frequency. The digital clock circuit also includes a second sub-circuit comprising a loop of feedback including a frequency detector to compare an input frequency with a feedback frequency, a controller to adjust the frequency control word, a second digitally-controlled oscillator driven by the frequency control word plus a constant to control a second output frequency synthesized from multiple second pulses induced by the trigger signal, and a second frequency divider to set the feedback frequency equal to 1/N of the second output frequency in the loop of feedback.
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公开(公告)号:US20210117711A1
公开(公告)日:2021-04-22
申请号:US16971187
申请日:2019-12-16
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Shu Wang , Hui Rao , Zhiguo Zhang , Xin Li , Xiaohong Wang
IPC: G06K9/32
Abstract: A method and a device for determining a placement region of an item are disclosed. The method according to the present disclosure comprises: acquiring position information of an electronic identification at a bar display screen; and determining the placement region of the item according to the position information and a preset mapping relationship.
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