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公开(公告)号:US20250081734A1
公开(公告)日:2025-03-06
申请号:US18282979
申请日:2022-12-21
Inventor: Cheng ZENG , Jaeho LEE , Dongyu GAO , Dan WANG , Lulin MA , Zhenye WEI , Qiyun WANG
IPC: H10K59/122 , H10K59/12 , H10K59/38 , H10K59/80
Abstract: Provided is a display panel. The display panel includes: a base substrate; a plurality of light-emitting devices on a side of the base substrate; a package layer on a side of the plurality of light-emitting devices, wherein the package layer is configured to package the light-emitting devices; a hydrophilic layer on a side of the package layer, wherein the hydrophilic layer is in direct contact with the package layer; an isolation portion on a side of the hydrophilic layer, wherein a plurality of apertures are defined in the isolation portion; and a light conversion structure in the plurality of apertures, wherein the light conversion structure includes a transparent medium layer made of a hydrophilic material and a plurality of particles dispersed in the transparent medium layer, and a face, close to the base substrate, of the transparent medium layer is in direct contact with the hydrophilic layer.
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公开(公告)号:US20250081722A1
公开(公告)日:2025-03-06
申请号:US18561324
申请日:2023-02-28
Applicant: BOE Technology Group Co., Ltd.
Inventor: Xueqin CHEN , Lei CHEN , Dan WANG , Lixia QIU
IPC: H10K50/19 , H10K50/16 , H10K50/18 , H10K85/60 , H10K101/40 , H10K102/00
Abstract: The present disclosure provides a light emitting device and a display panel, and belongs to the field of display technology. The light emitting device includes an anode, a cathode, a plurality of light emitting units between the anode and the cathode, and a charge separation generation unit between every two adjacent light emitting units; the plurality of light emitting units include a first light emitting unit and a second light emitting unit, and the first light emitting unit is closer to the anode than the second light emitting unit; and the first light emitting unit at least includes a first electron transport sub-unit, the second light emitting unit at least includes a second electron transport sub-unit, and a thickness of the first electron transport sub-unit is less than that of the second electron transport sub-unit.
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43.
公开(公告)号:US20250048919A1
公开(公告)日:2025-02-06
申请号:US18710615
申请日:2023-07-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Rongrong GAO , Dan WANG , Lei CHEN
IPC: H10K85/60 , C07C211/60 , C07C211/61 , C07D251/24 , C07D311/96 , C07D401/14 , C07D405/04 , C07D405/10 , C07F9/46 , C07F9/6521 , H10K50/13 , H10K50/19
Abstract: A functional layer material includes a compound centered on an sp3 hybridized carbon atom which includes a first type of compound. The first type of compound is selected from any of structures represented by a general formula (I), wherein at least one of a, b, m and n is not 0; A1 and A2 are independently selected from any of a substituted or unsubstituted trivalent aryl group, fused ring trivalent aryl group and fused ring trivalent heteroaryl group; B1 and B2 are independently selected from any of a substituted or unsubstituted alkylene group, arylene group and heteroarylene group; L1 to L4 are independently selected from any of a single bond, a substituted or unsubstituted phenylene group and biphenylene group; and Ar1 to Ar8 are independently selected from any one of a substituted or unsubstituted alkyl group, aryl group, heteroaryl group, fused ring aryl group and fused ring heteroaryl group.
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44.
公开(公告)号:US20240315129A1
公开(公告)日:2024-09-19
申请号:US18273262
申请日:2021-12-22
Applicant: BOE Technology Group Co., Ltd.
Inventor: Lei CHEN , Dan WANG , Bingyan LIANG , Xueqin CHEN , Dongxu ZHANG
IPC: H10K85/60 , C07D235/18 , C07D263/57 , C07D277/66 , C07D409/14 , C07D413/12 , C07D413/14 , C07D417/14 , C09K11/06 , H10K50/858
CPC classification number: H10K85/636 , C07D235/18 , C07D263/57 , C07D277/66 , C07D409/14 , C07D413/12 , C07D413/14 , C07D417/14 , C09K11/06 , H10K85/633 , C09K2211/1018 , H10K50/858 , H10K85/615 , H10K85/626 , H10K85/654 , H10K85/657 , H10K85/6572 , H10K85/6574 , H10K85/6576
Abstract: A structural general formula of a diarylamine compound is formula (I):
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45.
公开(公告)号:US20220416190A1
公开(公告)日:2022-12-29
申请号:US17765005
申请日:2021-05-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Xiaojin ZHANG , Xinghua LIU , Huiyun YANG , Dan WANG
Abstract: An organic light-emitting device and a preparation method therefor, a display panel, and a display device. The organic light-emitting device comprises an anode layer, a cathode layer, and a first light-emitting layer and an auxiliary light-emitting layer disposed between the anode layer and the cathode layer; the auxiliary light-emitting layer is located between the first light-emitting layer and the cathode layer; the first light-emitting layer comprises a first host material, a first thermally activated delayed fluorescence material, and a first fluorescence guest material; the auxiliary light-emitting layer comprises at least a second host material and a second thermally activated delayed fluorescence material. The first light-emitting layer is a super-fluorescence system, and the auxiliary light-emitting layer also forms a super-fluorescence system together with the first fluorescence guest material.
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公开(公告)号:US20220310955A1
公开(公告)日:2022-09-29
申请号:US17419307
申请日:2020-09-28
Applicant: BOE Technology Group Co., Ltd.
Inventor: Meishan XU , Haiyan SUN , Dan WANG , Changho LEE
Abstract: An organic light emitting device and a display apparatus are provided. The organic light emitting device includes an anode, a cathode and a light-emitting layer arranged between the anode and the cathode, wherein a first hole injection layer and a second hole injection layer are arranged between the anode and the light-emitting layer. The first hole injection layer and the second hole injection layer are different in structure, including one or more of the following: the first hole injection layer and the second hole injection layer are different in thickness, different in material structure, different in quantity of the material and number of types of the material, and different in energy level of the material.
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47.
公开(公告)号:US20210151527A1
公开(公告)日:2021-05-20
申请号:US16642256
申请日:2018-11-12
Inventor: Mingxiao JIANG , Dan WANG , Yun QIU , Xiao SUN , Weipin HU , Qianqian BU
Abstract: The disclosure relates to an array substrate, a display panel, a display device, and a method for manufacturing the array substrate. The array substrate includes a first substrate, a light emitting device on the first substrate, the light emitting device including a first electrode, a light emitting layer, and a second electrode sequentially disposed in a direction away from the first substrate, wherein the first electrode is transparent, and wherein the second electrode is reflective, an opaque portion between the first substrate and the light emitting device, wherein a projection of the light emitting device on the first substrate partially overlap with a projection of the opaque portion on the first substrate, and a reflective member between the opaque portion and the light emitting layer.
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公开(公告)号:US20210036264A1
公开(公告)日:2021-02-04
申请号:US16887438
申请日:2020-05-29
Inventor: Weipin HU , Hong YANG , Chun WANG , Congcong WEI , Mingxiao JIANG , Qianqian BU , Xiao SUN , Yun QIU , Dan WANG
Abstract: A display assembly includes a display panel and at least one optical film group each disposed on a display surface. Each optical film group includes a quarter-wave plate, a reflective polarizer and an absorbing polarizer. The reflective polarizer includes a reflective portion capable of allowing light with a polarization direction parallel to a polarization axis of the reflective polarizer to pass through and reflecting light with a polarization direction perpendicular to the polarization axis. An orthographic projection of an effective light-emitting area of at least one sub-pixel is substantially within an orthographic projection of the reflective portion. The absorbing polarizer is capable of allowing light with a polarization direction parallel to a polarization axis of the absorbing polarizer to pass through and absorbing light with a polarization direction perpendicular to the polarization axis. The polarization axis of the reflective polarizer is parallel to the polarization axis of the absorbing polarizer.
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公开(公告)号:US20190129274A1
公开(公告)日:2019-05-02
申请号:US15571467
申请日:2017-04-01
Abstract: The present application relates to a display device, comprising a backlight source, a liquid crystal lens layer having a plurality of lens units arranged in a matrix, and a lens controller, wherein the backlight source comprises light sources of three different colors, wherein light sources of each color are lit up and turned off circularly, wherein only a light source of one color is lit up at a same moment, wherein the lens controller is configured to control a matching degree between a turn-on time of each lens unit and a light-up time of the light sources, so as to make selection of quantity of light transmitted by the turned-on lens unit, and the lens controller is further configured to enable light exit directions of the plurality of lens units to be converged in an imaging area in front of the display device for imaging display.
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50.
公开(公告)号:US20190051696A1
公开(公告)日:2019-02-14
申请号:US15759633
申请日:2017-08-18
Inventor: Yanfeng WANG , Xiaoling XU , Yuanxin DU , Zhenhua LV , Yun QIU , Dan WANG , Xue DONG
Abstract: A light emitting diode display panel and a manufacturing method thereof, and a display device. The light emitting diode display panel includes a substrate, a plurality of light emitting diodes arranged in an array on the substrate; a plurality of polarization layers located on a light exit side of the plurality of light emitting diodes respectively, and the plurality of polarization layers are in a one-to-one correspondence to the plurality of light emitting diodes; the plurality of polarization layers include a plurality of first polarization layers and a plurality of second polarization layers having different polarization directions.
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