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公开(公告)号：US20220293698A1
公开(公告)日：2022-09-15
申请号：US17539095
申请日：2021-11-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hao GAO , Zhihui ZHANG , Xu LI , Xing FAN , Penghao GU
IPC: H01L27/32 , G02F1/1335 , G02F1/1343 , G02F1/137 , G02F1/01
Abstract: Embodiments of the disclosure provide a display panel and a display device. The display panel includes a substrate, a plurality of light emitting elements and at least one transmissive-reflective module, where the light emitting elements are arranged on the substrate; each of the light emitting elements includes a first electrode, a light emitting functional layer and a second electrode arranged along a direction vertical to the substrate and away from the substrate; the at least one transmissive-reflective module is arranged on a side, close to the substrate, of the first electrode of at least one of the light emitting elements, and/or on a side, away from the substrate, of the second electrode of at least one of the light emitting elements; the transmissive-reflective module is configured to switch between a transmissive state and a reflective state.
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公开(公告)号：US20220293050A1
公开(公告)日：2022-09-15
申请号：US17509822
申请日：2021-10-25
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xing FAN , Chao KONG , Xiangmin WEN
IPC: G09G3/3225 , H01L27/32 , H01L51/52
Abstract: The disclosure provides a display panel, a compensation of brightness method and a displaying device. The display panel comprises an array substrate, a luminescent layer, a plurality of optical film layers and a photoelectric sensor, wherein the luminescent layer is located on one side of the array substrate, the array substrate is used for driving the luminescent layer to emit light, the optical film layers are located on a side, away from the array substrate, of the luminescent layer, light emitted by the luminescent layer forms optical waveguide on the array substrate and/or the optical film layers, and the photoelectric sensor is used for acquiring the optical waveguide to perform compensation of brightness on the light emitted by the luminescent layer according to data of the optical waveguide.
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公开(公告)号：US20220271105A1
公开(公告)日：2022-08-25
申请号：US17552334
申请日：2021-12-15
Applicant: BOE Technology Group Co., Ltd.
Abstract: A display substrate, a method of forming a display substrate and a display device are provided. The display substrate includes: a plurality of pixel units arranged in an array, a substrate, a light-emitting device layer and an electrochromic functional layer, where the light-emitting device layer and the electrochromic functional layer are stacked on the substrate; the light-emitting device layer includes a plurality of light-emitting devices, an orthographic projection of the electrochromic functional device on the substrate is at least partially overlapped with an orthographic projection of the corresponding effective light-emitting area on the substrate.
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公开(公告)号：US20210296415A1
公开(公告)日：2021-09-23
申请号：US17057027
申请日：2020-03-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lujiang HUANGFU , Xing FAN , Hao GAO , Hao ZHANG , Qiuhua MENG , Na LI , Yansong LI
IPC: H01L27/32
Abstract: A pixel structure includes: a pixel definition layer having a first side and a second side which are opposite to each other in a thickness direction of the pixel definition layer, the pixel definition layer including a pixel opening having sidewalls; an island-shaped portion disposed in the pixel opening of the pixel definition layer and spaced apart from the sidewalls of the pixel opening, the island-shaped portion having sidewalls, and the sidewalls of the pixel opening and the sidewalls of the island-shaped portion defining a ring-shaped pixel groove; and a light emitting unit, at least a part of which is disposed in the ring-shaped pixel groove.
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公开(公告)号：US20210226152A1
公开(公告)日：2021-07-22
申请号：US16632191
申请日：2018-11-20
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lujiang HUANGFU , Xing FAN , Zheng LIU , Yan FAN , Liangjian LI , Hao GAO
Abstract: A pixel structure includes a base substrate and a light emitting element on the base substrate. The light emitting element includes a reflective electrode, a light emitting layer on the reflective electrode, and a substantially transparent electrode on a side of the light emitting layer away from the reflective electrode. The reflective electrode has a reflective ridge configured to reflect light laterally transmitted through the light emitting layer to exit from a light emitting surface of the pixel structure. The reflective ridge has a first concave reflective sidewall extending from a peak of the reflective ridge to a base of the reflective ridge, and a second concave reflective sidewall extending from the peak of the reflective ridge to the base of the reflective ridge. The first concave reflective sidewall faces away from the second concave reflective sidewall.
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Patent Agency Ranking
16.发明申请公开(公告)号：US20210217830A1
公开(公告)日：2021-07-15
申请号：US16092895
申请日：2018-01-10
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lujiang HUANGFU , Xing FAN , Dan WANG , Xiaowei XU , Liangjian LI
Abstract: An OLED display substrate, a manufacturing method thereof and a display device are provided. The OLED display substrate includes a TFT array layer, a first electrode, a pixel definition layer, an OEL layer and a second electrode arranged on a base substrate. The pixel definition layer is configured to define a plurality of subpixel regions. A reflection structure surrounds each subpixel region and is capable of reflecting light beams from the OEL layer and beyond an escaping cone in such a manner as to enable at least parts of the light beams to enter the escaping cone.
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公开(公告)号：US20210057671A1
公开(公告)日：2021-02-25
申请号：US16925665
申请日：2020-07-10
Applicant: BOE Technology Group Co., Ltd.
Abstract: The present disclosure discloses an organic electroluminescent substrate and an organic electroluminescent display panel. The organic electroluminescent substrate includes a planarization layer, an insulating layer, a first electrode, a pixel definition layer, an organic light-emitting layer and a second electrode, wherein a surface of the pixel definition layer away from the planarization layer is flush with a surface of the insulating layer away from the planarization layer.
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公开(公告)号：US20250133920A1
公开(公告)日：2025-04-24
申请号：US19007614
申请日：2025-01-02
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xing FAN , Shantao CHEN , Xin LI , Hao GAO , Cheng HAN , Yansong LI
IPC: H10K59/122 , H10K59/12 , H10K59/80 , H10K102/00
Abstract: A display substrate includes a first electrode layer, a pixel define layer, an organic light-emitting layer, a second electrode layer and a first encapsulation layer which are sequentially disposed away from a base substrate. The pixel define layer has a plurality of openings, at least one of which exposes the first electrode layer. The pixel define layer has a first climbing part and a second climbing part close to the edge of at least one opening, the distance from a surface of the second climbing part away from the base substrate to the base substrate is greater than the distance from a surface of the first climbing part away from the base substrate to the base substrate, and the slope angle of the first climbing part is different from that of the second climbing part.
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公开(公告)号：US20240224584A1
公开(公告)日：2024-07-04
申请号：US17914155
申请日：2021-10-26
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hao GAO , Yan FAN , Xing FAN , Xu LI , Zhihui ZHANG , Xiangmin WEN
IPC: H10K50/858 , H10K50/15 , H10K50/16 , H10K50/18 , H10K102/00
CPC classification number: H10K50/858 , H10K50/15 , H10K50/16 , H10K50/181 , H10K2102/3026
Abstract: A display device and a display panel thereof, and an OLED display device are provided. The OLED display device includes: a red light-emitting structure, a green light-emitting structure, and a blue light-emitting structure, where (n3z-n3xy)-(n1z-n1xy)≥a first preset value, and (n3z-n3xy)-(n2z-n2xy)≥a second preset value, where ranges of both the first preset value and the second preset value are 0.1˜0.3; n1z is a sum of refractive indexes of respective layers of the red light-emitting structure in a thickness direction; n1xy is a sum of refractive indexes of the respective layers of the red light-emitting structure in a vertical thickness direction; n2z is a sum of refractive indexes of respective layers of the green light-emitting structure in the thickness direction; n2xy is a sum of refractive indexes of the respective layers of the green light-emitting structure in the vertical thickness direction; n3z is a sum of refractive indexes of respective layers of the blue light-emitting structure in the thickness direction; and n3xy is a sum of refractive indexes of the respective layers of the blue light-emitting structure in the vertical thickness direction. According to embodiments of the present disclosure, a reflectance of an interface between the blue light-emitting structure and outside at a large angle of view can be reduced, a light transmittance can be increased, a brightness can be enhanced, and further a color shift can be improved.
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公开(公告)号：US20240215367A1
公开(公告)日：2024-06-27
申请号：US17916148
申请日：2021-11-16
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xing FAN , Lujiang HUANGFU , Hao GAO , Qiuhua MENG , Hao ZHANG , Na LI , Yansong LI
IPC: H10K59/35
CPC classification number: H10K59/353
Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a first insulation layer. The first insulation layer includes a plurality of first openings, the first opening is configured to expose a first electrode to form an effective light emitting region, at least one effective light emitting region at least partially surrounds at least one island region; a second insulation pattern, the first electrode, a first insulation pattern of the first insulation layer, a light emitting layer and a second electrode are sequentially provided in the island region along a direction facing away from the base substrate, a distance between a portion of the first electrode in the island region and a main surface of the base substrate is greater than a distance between a portion of the first electrode in the effective light emitting region and the main surface of the base substrate.
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