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1. 发明公开

US20240373726A1 DISPLAY PANEL AND DISPLAY DEVICE 审中-公开
公开(公告)号：US20240373726A1
公开(公告)日：2024-11-07
申请号：US18265963
申请日：2022-07-29
申请人： BOE Technology Group Co., Ltd. , Hefei BOE Joint Technology Co., Ltd.
发明人： Wenbin JIA , Xiang WAN , Feifei ZHU
IPC分类号： H10K59/80
CPC分类号： H10K59/879 , H10K59/873
摘要： Provided are a display panel and a display device. The display panel includes a substrate; sub-pixels on a side of the substrate, where the sub-pixels include light-emitting layers respectively, and each of at least one light-emitting layer includes an internal region and an edge region surrounding the internal region; and a first structure layer, on a light-emitting side of the light-emitting layers, and including lens sets each including microlenses, where the lens sets correspond to the sub-pixels one by one. The lens set includes a first region corresponding to the internal region and a second region corresponding to the edge region, and a density of microlenses in the second region is smaller than a density of mircolenses in the first region. According to the present disclosure, a display effect is improved.

2. 发明申请

US20210068232A1 Display Panel, Manufacturing Method and Drive Control Method thereof, and Display Apparatus 有权
公开(公告)号：US20210068232A1
公开(公告)日：2021-03-04
申请号：US16925284
申请日：2020-07-09
申请人： Hefei BOE Joint Technology Co.,Ltd. , BOE Technology Group Co., Ltd.
发明人： Xiang WAN
IPC分类号： H05B45/00 , H01L27/32 , H01L51/56 , H01F7/20 , G09G3/3225
摘要： A display panel includes a drive substrate, a first electrode disposed on the drive substrate and located in a pixel region, and a pixel defining layer disposed on the first electrode and defining the pixel region. The display panel further includes a light-emitting structure layer disposed on the pixel defining layer, a second electrode disposed on the light-emitting structure layer, and a magnetic field disposed at least one pixel region, wherein a direction of the magnetic field forms an included angle with a plane of the drive substrate.

3. 发明公开

US20240215403A1 TOP EMITTING DISPLAY PANELS AND DISPLAY DEVICES 审中-公开
公开(公告)号：US20240215403A1
公开(公告)日：2024-06-27
申请号：US17915742
申请日：2021-10-27
申请人： Hefei BOE Joint Technology Co., Ltd. , BOE Technology Group Co., Ltd.
发明人： Wenbin JIA , Feifei ZHU , Xiang WAN
IPC分类号： H10K59/80 , H10K59/35
CPC分类号： H10K59/876 , H10K59/35 , H10K59/873
摘要： Provided are a top emitting display panel and a display device, the top emitting display panel includes a substrate, a light-emitting structure and a cover layer, wherein the light-emitting structure comprises a first light-emitting structure, a second light-emitting structure and a third light-emitting structure, and corresponding light-emitting wavelengths are a first wavelength, a second wavelength and a third wavelength respectively; the cover layer is located on a side of the light-emitting structure away from the substrate, and includes at least two of a first region located on the first light-emitting structure, a second region located on the second light-emitting structure, and a third region located on the third light-emitting structure, the first region has a thickness such that twice of the length of an equivalent optical path in the first region along a thickness direction is an integer multiple of the first wavelength; the second region has a thickness such that twice of the length of an equivalent optical path in the second region along the thickness direction is an integer multiple of the second wavelength; and the third region has a thickness such that twice of the length of an equivalent optical path in the third region along the thickness direction is an integer multiple of the third wavelength. According to embodiments of the present disclosure, light extraction efficiencies corresponding to the first wavelength, the second wavelength, and the third wavelength can be simultaneously increased, and the display panel have a reduced power consumption and an improved lifetime.

4. 发明申请

US20200309629A1 PRESSURE SENSOR, MANUFACTURING METHOD THEREOF, PRESSURE SENSING METHOD AND DISPLAY DEVICE 审中-公开
公开(公告)号：US20200309629A1
公开(公告)日：2020-10-01
申请号：US16649502
申请日：2019-05-21
申请人： Hefei Xinsheng Optoelectronics Technology Co., Ltd. , BOE TECHNOLOGY GROUP CO., LTD.
发明人： Rui PENG , Xiang WAN , Zhijie YE , Yue HU
IPC分类号： G01L11/02
摘要： A pressure sensor, a manufacturing method thereof, a pressure sensing method and a display device are provided. The pressure sensor includes a first electrode, at least two supports on a first surface of the first electrode, an elastic composite electrode on a side of the supports facing away from the first electrode. Two adjacent supports of the supports, the elastic composite electrode and the first electrode define a compressible space, and the at least two supports are formed of an insulating material. The pressure sensor further comprises a second electrode on a side of the elastic composite electrode facing away from the first electrode and an organic light emitting layer between the first electrode and the second electrode, the organic light emitting layer being in contact with one of the first electrode and the second electrode. The pressure sensor has advantages of low power consumption, fast response and high sensitivity.

5. 发明申请

US20190103452A1 SUBSTRATE AND METHOD OF FABRICATING THE SAME, DISPLAY PANEL, AND DISPLAY DEVICE 审中-公开
公开(公告)号：US20190103452A1
公开(公告)日：2019-04-04
申请号：US16148799
申请日：2018-10-01
申请人： BOE TECHNOLOGY GROUP CO., LTD. , HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
发明人： Wenbin JIA , Huifeng WANG , Chinlung LIAO , Feifei ZHU , Xiang WAN
IPC分类号： H01L27/32
摘要： A method of fabricating a substrate includes forming a planarization layer, and forming the planarization layer includes: forming a first planarization sub-layer on a base substrate on which a patterned film layer has been formed. A surface of the first planarization sub-layer facing away from the base substrate has a plurality of depressed portions. Forming the planarization layer further includes: forming a second planarization sub-layer at multiple depressed portions of the plurality of the depressed portions to obtain the planarization layer including the first planarization sub-layer and the second planarization sub-layer. A flatness of a surface of the planarization layer is higher than a flatness of the surface of the first planarization sub-layer.

6. 发明申请

US20210028403A1 ARRAY SUBSTRATE, METHOD FOR FABRICATING THE SAME, AND DISPLAY DEVICE 有权
公开(公告)号：US20210028403A1
公开(公告)日：2021-01-28
申请号：US16476465
申请日：2018-11-06
申请人： Hefei Xinsheng Optoelectrics Technology Co., Ltd. , BOE Technology Group Co., Ltd.
发明人： Wenbin JIA , Feifei ZHU , Li SUN , Xiang WAN , Zhijie YE , Xinxin WANG
IPC分类号： H01L51/52 , H01L27/32 , H01L51/56
摘要： This disclosure relates to the field of display technologies, and discloses an array substrate, a method for fabricating the same, and a display device. The array substrate includes: an underlying substrate; a pixel defining layer located on one side of the underlying substrate, and including a plurality of blocking walls arranged at intervals; and electroluminescent function layers each located between two adjacent blocking walls of the plurality of blocking walls. First metallic nanoparticle layers are arranged on side walls of the plurality of blocking walls proximate to the electroluminescent function layers, and are configured to reflect light exiting the electroluminescent function layers. Thus the light extraction efficiency of OLED elements can be improved.

7. 发明申请

US20190006629A1 ORGANIC LIGHT-EMITTING DIODE AND DISPLAY DEVICE 审中-公开
公开(公告)号：US20190006629A1
公开(公告)日：2019-01-03
申请号：US15744255
申请日：2017-06-30
申请人： BOE TECHNOLOGY GROUP CO., LTD. , HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
发明人： Xiang WAN , Wenbin JIA , Rui PENG
IPC分类号： H01L51/52 , H01L27/32
摘要： An organic light-emitting diode and a display device are disclosed. The organic light-emitting diode includes an organic light-emitting layer and a first light ray adjusting layer, wherein the organic light-emitting layer is configured to generate at least first incident light and second light to enter the first light ray adjusting layer to form a first refracted light ray and a second refracted light ray respectively, and a refraction angle of the first refracted light ray is smaller than a refraction angle of the first refracted light ray. A first refractive index of the first light ray adjusting layer on a propagation path of the second refracted light ray is greater than that of the first light ray adjusting layer on a propagation path of the first refracted light ray.

8. 发明申请

US20170047536A1 BLUE ORGANIC ELECTROLUMINESCENT DEVICE AND PREPARATION METHOD THEREOF, DISPLAY PANEL AND DISPLAY APPARATUS 有权
标题翻译：蓝色有机电致发光器件及其制备方法，显示面板和显示器
公开(公告)号：US20170047536A1
公开(公告)日：2017-02-16
申请号：US15023295
申请日：2015-07-15
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Xiang WAN
IPC分类号： H01L51/50 , H01L51/56 , H01L27/32
CPC分类号： H01L51/5012 , H01L27/32 , H01L51/5056 , H01L51/5072 , H01L51/5092 , H01L51/56
摘要： Embodiments of the invention provide a blue organic electroluminescent device and a preparation method, a display panel and a display apparatus. The blue organic electroluminescent device comprises: a substrate and an anode, a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, an electron injection layer and a cathode arranged on the substrate successively, the light emitting layer comprises a lower surface layer, an upper surface layer and an intermediate layer; host emitters of the lower surface layer, the upper surface layer and the intermediate layer are all doped with guest emitters, at least one of the doping concentrations in the lower surface layer is greater and the upper surface layer is greater than a doping concentration in the intermediate layer. The power consumption of the blue organic electroluminescent device is greatly reduced; and the efficiency is increased significantly.
摘要翻译：本发明的实施例提供一种蓝色有机电致发光器件及其制备方法，显示面板和显示装置。蓝色有机电致发光器件依次包括：基板和阳极，发光层，空穴注入层，空穴传输层，发光层，电子传输层，电子注入层和阴极，发光层包括下表面层，上表面层和中间层; 下表面层，上表面层和中间层的主体发射体全部掺杂有客体发射体，下表面层中的掺杂浓度中的至少一个较大，并且上表面层大于中间层。蓝色有机电致发光器件的功耗大大降低; 效率明显提高。

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