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公开(公告)号：US11563197B2
公开(公告)日：2023-01-24
申请号：US16344009
申请日：2018-03-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xiaolong Li , Fangzhen Zhang , Wei Qin , Kuanjun Peng
IPC: H01L51/52 , H01L27/32 , H01L25/065
Abstract: The present application describes a display panel having a plurality of subpixels. Each of the plurality of subpixels has a light blocking region and a light transmissive region surrounding the light blocking region. Each of the plurality of subpixels in the light blocking region includes a first base substrate and a second base substrate facing each other; a first light emitting element and a first reflective block on a side of the first base substrate proximal to the second base substrate; and a second reflective block on a side of the second base substrate proximal to the first base substrate. The first reflective block and the second reflective block are configured to reflect light emitted from the first light emitting element to the light transmissive region thereby displaying an image.
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公开(公告)号：US11501684B2
公开(公告)日：2022-11-15
申请号：US16944973
申请日：2020-07-31
Applicant: BOE Technology Group Co., Ltd.
Inventor： Shengnan Li , Wei Qin , Tieshi Wang , Xiaolong Li , Weixing Liu , Kuanjun Peng
IPC: G09G3/20 , G09G3/3266
Abstract: Disclosed are a method for driving a silicon-based driving back plate and a display apparatus. The method includes: acquiring a watch position of a user on the silicon-based driving back plate within one frame time; determining a watch region of the user on the silicon-based driving back plate according to the watch position; and controlling a sum of an analog modulation bit for analog scanning charging and a digital modulation bit for digital scanning charging performed on each row of pixels in the watch region to be greater than a sum of an analog modulation bit for analog scanning charging and a digital modulation bit for digital scanning charging performed on each row of pixels in a non-watch region.
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公开(公告)号：US11360378B2
公开(公告)日：2022-06-14
申请号：US16346192
申请日：2018-11-01
Inventor： Xiaoxiang Zhang , Mingxuan Liu , Huibin Guo , Wenqing Xu , Xiaolong Li , Zumou Wu , Yongzhi Song
Abstract: A display panel includes a method of fabricating an array substrate. The method includes forming a metal layer (1) on a substrate, and patterning the metal layer (1) using a phase shift mask to form a pattern of metal wiring. The phase shift mask includes a substrate and a wiring light shielding portion (02) on the substrate (01). The wiring light shielding portion (02) includes a light shielding region (021) and a phase shift region (022). In a direction perpendicular to the extending direction of the wiring light shielding portion (02) a width of the light shielding region (021) is larger than a width of the pattern of the metal wiring formed by the wiring light shielding portion (02).
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公开(公告)号：US11238788B2
公开(公告)日：2022-02-01
申请号：US16759575
申请日：2019-05-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Wei Qin , Kuanjun Peng , Chengchung Yang , Xiaolong Li , Zhiqiang Xu
IPC: G09G3/3225 , G09G3/3266
Abstract: The present disclosure provides an OLED panel, a driving method thereof and a display device. The OLED panel has pixel units arranged in rows and columns, and each including an OLED device. The OLED panel includes regions arranged in column direction, and each including at least one row of pixel units and a cathode layer, the OLED devices in each region share the cathode layer therein, and the cathode layer of each region is disconnected from the cathode layer of any other region. The OLED panel includes a cathode voltage supply circuit configured to output a cathode voltage including an operating level to the cathode layer. The cathode voltage supply circuit is configured to start outputting the operating level to the cathode layer of at least one region at a time at least later than a time when all pixel units in the region receive a scan signal.
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公开(公告)号：US20210359272A1
公开(公告)日：2021-11-18
申请号：US16344009
申请日：2018-03-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xiaolong Li , Fangzhen Zhang , Wei Qin , Kuanjun Peng
IPC: H01L51/52 , H01L25/065 , H01L27/32
Abstract: The present application describes a display panel having a plurality of subpixels. Each of the plurality of subpixels has a light blocking region and a light transmissive region surrounding the light blocking region. Each of the plurality of subpixels in the light blocking region includes a first base substrate and a second base substrate facing each other; a first light emitting element and a first reflective block on a side of the first base substrate proximal to the second base substrate; and a second reflective block on a side of the second base substrate proximal to the first base substrate. The first reflective block and the second reflective block are configured to reflect light emitted from the first light emitting element to the light transmissive region thereby displaying an image.
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Patent Agency Ranking
公开(公告)号：US11170701B2
公开(公告)日：2021-11-09
申请号：US16970818
申请日：2019-10-12
Applicant: BOE Technology Group Co., Ltd.
Inventor： Wei Qin , Weixing Liu , Tieshi Wang , Kai Guo , Xiaolong Li , Kuanjun Peng , Zhiqiang Xu , Wanpeng Teng
Abstract: An embodiment of the present disclosure provides a driving circuit, a driving method thereof, a display panel and a display device. The driving circuit includes a first transistor electrically connected between a signal input terminal and a light emitting device to be driven, a duration control circuit configured to provide a signal of a duration data signal terminal to a gate of the first transistor in response to a signal of a duration scanning signal terminal, and a latch circuit electrically connected with the gate of the first transistor and configured to latch the signal of the gate of the first transistor.
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公开(公告)号：US11125922B2
公开(公告)日：2021-09-21
申请号：US16527751
申请日：2019-07-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Kai Guo , Xiaolong Li , Xueling Gao , Kuanjun Peng , Shengnan Li , Weixing Liu
Abstract: The present disclosure provides a structured retroreflector. The structured retroreflector includes a transparent substrate, a plurality of transflective structure layers disposed on one side of the transparent substrate and mutually laminated and parallel, wherein distances between any two adjacent transflective structure layers are equal and 0.1λ to 10λ, λ being a wavelength of incident light, and a transparent filling layer disposed between any two adjacent transflective structure layers.
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公开(公告)号：US11054737B2
公开(公告)日：2021-07-06
申请号：US16106155
申请日：2018-08-21
Inventor： Xiaoxiang Zhang , Huibin Guo , Yongzhi Song , Mingxuan Liu , Wenqing Xu , Xiaolong Li , Zumou Wu
Abstract: Disclosed are a mask, a display substrate and a display device. The mask comprises a substrate, a first exposure structure, a second exposure structure located at one side of the substrate and disposed opposite to each other, the first exposure structure comprises a first light transmission film layer and a first light shielding film layer, an orthographic projection of the first light shielding film layer falls within an orthographic projection of the first light transmission film layer on the substrate; the second exposure structure comprises a second light transmission film layer and a second light shielding film layer, an orthographic projection of the second light shielding film layer falls within an orthographic projection of the second light transmission film layer on the substrate; a side edge of the first exposure structure has a first zigzag structure, and a side edge of the second exposure structure has a second zigzag structure.
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公开(公告)号：US11024232B2
公开(公告)日：2021-06-01
申请号：US16769420
申请日：2019-11-11
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xueling Gao , Kuanjun Peng , Wei Qin , Zhiqiang Xu , Tieshi Wang , Xiaolong Li , Jintao Peng
IPC: G09G3/3258 , G09G3/3275
Abstract: A pixel driving circuit and a driving method thereof, and a display panel are provided. The pixel driving circuit includes a driving sub-circuit, a reset sub-circuit, a light-emitting control sub-circuit, and a first compensation sub-circuit, the reset sub-circuit, the light-emitting control sub-circuit, and the first compensation sub-circuit are configured to, in an initialization phase, under control of a first driving signal and a second driving signal, provide the first power supply voltage provided by the first power supply input terminal to the control terminal of the driving sub-circuit; the first terminal of the driving sub-circuit is connected to the second power supply input terminal to receive the second power supply voltage; and the first power supply voltage and the second power supply voltage are configured to cause the driving sub-circuit to be in an on-bias state in the initialization phase.
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公开(公告)号：US10923683B2
公开(公告)日：2021-02-16
申请号：US16035524
申请日：2018-07-13
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xiangxiang Zou , Wei Qin , Kuanjun Peng , Xiaolong Li
Abstract: The embodiments of the present disclosure propose a substrate, a method for manufacturing the same, and a display device comprising the substrate. The substrate comprises a supporting base; and a light scattering layer disposed such that a projected region of the light scattering layer on the supporting base is located in a light transmission formation region of the supporting base, and the light scattering layer has a light scattering structure configured to scatter incident light.
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