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公开(公告)号：US20240284690A1
公开(公告)日：2024-08-22
申请号：US18022154
申请日：2022-05-30
发明人： Yingchang GAO , Kening ZHENG
IPC分类号： H10K39/34 , H10K50/19 , H10K59/122
CPC分类号： H10K39/34 , H10K50/19 , H10K59/122
摘要： A display substrates and display device are provided, belong to the field of display technology, and can solve the problem that the performance of the light-emitting layer of the optical sensor in the existing display substrate is unstable, and the light absorbing layer becomes insensitive to the light after a long time of use. The display substrate includes: a substrate, light-emitting devices on the substrate, and an optical sensor between at least a portion of adjacent ones of the plurality of light-emitting devices. The optical sensor includes: a P-type organic material layer and an N-type organic material layer stacked with each other, and a difference between an energy level of a highest occupied molecular orbital of the P-type organic material layer and an energy level of a lowest unoccupied molecular orbital of the N-type organic material layer is less than 2.0 eV or greater than 2.7 eV.
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公开(公告)号：US20190016541A1
公开(公告)日：2019-01-17
申请号：US15750464
申请日：2017-08-09
发明人： Chang LUO , Haidong WU , Kening ZHENG
摘要： This application discloses a feeding device for a crucible, belonging to the field of display technology. The feeding device includes: a base, a robot arm and a bottle holder. The base is movably connected to one end of the robot arm, the one end of the robot arm can move linearly on the base, a motion trajectory of the robot arm is parallel to a lengthwise direction of the crucible. The bottle holder is disposed at the other end of the robot arm and the bottle holder is rotatable at the other end. This application can protect operator's health, improve production efficiency and reduce production costs.
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公开(公告)号：US20230114312A1
公开(公告)日：2023-04-13
申请号：US18080399
申请日：2022-12-13
发明人： Wenqiang ZHANG , Jiangrong XIE , Tianqi LAI , Leilei WANG , Kening ZHENG , Yingchang GAO
IPC分类号： H01L51/00
摘要： The present disclosure relates to a display substrate, a method for preparing the same, and a display device. The display substrate of the present disclosure includes a base substrate, a pixel definition layer located on the base substrate, and a first pixel and a second pixel that are adjacent to each other and defined by the pixel definition layer, in which a spacer function layer for blocking hole transport between adjacent pixels is arranged at at least a part of a contact interface between the second hole transport layer in the second pixel and the light function layer in the first pixel. By providing the spacer function layer, the present disclosure effectively prevents the migration of holes between the hole transport layers of adjacent pixels or between the hole transport layer and the light emitting layer, thereby avoiding accompanying light emission between adjacent pixels.
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公开(公告)号：US20210408426A1
公开(公告)日：2021-12-30
申请号：US16766727
申请日：2019-05-24
发明人： Jiangrong XIE , Chao KONG , Kening ZHENG , Yamin YANG
摘要： An organic electroluminescence display panel, a manufacturing method, a color shift reducing method, and a display device are provided. The display panel includes a flat surface portion and a curved surface portion. The hole transport layer of the display panel includes a common hole transport layer and hole transport units. The common hole transport layer is distributed in the flat surface portion and the curved surface portion. The hole transport units are disposed on the common hole transport layer and are in one-to-one relationship with sub-pixels of the two portions; the hole transport layer of the sub-pixel of at least one color has different thickness in the two portions; and the thickness of the hole transport layer of the sub-pixel is the sum of the thickness of the common hole transport layer in sub-pixel and the thickness of the hole transport unit of the sub-pixel.
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公开(公告)号：US20210193946A1
公开(公告)日：2021-06-24
申请号：US17078752
申请日：2020-10-23
发明人： Wenqiang ZHANG , Jiangrong XIE , Tianqi LAI , Leilei WANG , Kening ZHENG , Yingchang GAO
摘要： The present disclosure relates to a display substrate, a method for preparing the same, and a display device. The display substrate of the present disclosure includes a base substrate, a pixel definition layer located on the base substrate, and a first pixel and a second pixel that are adjacent to each other and defined by the pixel definition layer, in which a spacer function layer for blocking hole transport between adjacent pixels is arranged at at least a part of a contact interface between the second hole transport layer in the second pixel and the light function layer in the first pixel. By providing the spacer function layer, the present disclosure effectively prevents the migration of holes between the hole transport layers of adjacent pixels or between the hole transport layer and the light emitting layer, thereby avoiding accompanying light emission between adjacent pixels.
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公开(公告)号：US20180114941A1
公开(公告)日：2018-04-26
申请号：US15719012
申请日：2017-09-28
发明人： Dong CHEN , Yinan LIANG , Kening ZHENG
IPC分类号： H01L51/50
CPC分类号： H01L51/5088 , H01L51/5024 , H01L51/5056 , H01L51/5072 , H01L51/5092 , H01L51/5096
摘要： An OLED device comprises an anode, a hole transport layer, an electro-luminescence layer, an electron transport layer and a cathode, which are superposed successively. A hole-side exciton utilization layer for allowing holes to freely pass therethrough is provided between the hole transport layer and the electro-luminescence layer, and/or an electron-side exciton utilization layer for allowing electrons to freely pass therethrough is provided between the electron transport layer and the electro-luminescence layer. Hole-side electro-luminescence material is doped in the hole-side exciton utilization layer, and the energy level of the hole-side electro-luminescence material is lower than that of material of the hole transport layer. Electron-side electro-luminescence material is doped in the electron-side exciton utilization layer, and the energy level of the electron-side electro-luminescence material is lower than that of material of the electron transport layer.
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公开(公告)号：US20210057679A1
公开(公告)日：2021-02-25
申请号：US17044290
申请日：2020-03-02
发明人： Jiangrong XIE , Chao KONG , Kening ZHENG , Yamin YANG , Han NIE
摘要： The OLED display includes a flat display area and an edge curved-surface display area; wherein the edge curved-surface display area is provided with an optical film layer, and the optical film layer is configured to reduce a light intensity of emergent light with a preset color in the edge curved-surface display area.
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公开(公告)号：US20200220096A1
公开(公告)日：2020-07-09
申请号：US16562568
申请日：2019-09-06
发明人： Kening ZHENG , Yingchang GAO
摘要： The disclosure discloses an OLED element, a display panel, and a display device. The OLED element includes an anode, a light-emitting layer, a cathode stacked, and at least one of following components: an electric charge transfer and hole transmission component located between the anode and the light-emitting layer, where the electric charge transfer and hole transmission component includes a first light-induced electron transfer material and a hole transmission material; or an electric charge transfer and electron transmission component located between the cathode and the light-emitting layer, where the electric charge transfer and electron transmission component includes a second light-induced electron transfer material and an electron transmission material.
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公开(公告)号：US20240172513A1
公开(公告)日：2024-05-23
申请号：US18428142
申请日：2024-01-31
发明人： Hongli WANG , Chang LUO , Lei CHEN , Kening ZHENG , Chen XU
IPC分类号： H10K59/35 , G09G3/20 , G09G3/3225 , H10K50/813 , H10K50/822 , H10K50/84 , H10K59/121 , H10K59/122 , H10K59/124 , H10K59/131 , H10K59/40
CPC分类号： H10K59/353 , G09G3/2003 , G09G3/3225 , H10K50/813 , H10K50/822 , H10K50/84 , H10K59/121 , H10K59/122 , H10K59/124 , H10K59/131 , H10K59/352 , H10K59/40 , G09G2300/0452
摘要： A display panel and a display device are provided. The display panel includes a first color sub-pixels and a second color sub-pixel. The first color sub-pixel includes a first effective light emitting region, the second color sub-pixel includes a second effective light emitting region. The first color sub-pixel includes a first color light emitting layer, the second color sub-pixel includes a second color light emitting layer, for one second effective light emitting region, along the length direction, a difference between the maximum size of the second color light emitting layer and the maximum size of the second effective light emitting region is a first difference, and along the width direction, a difference between the maximum size of the second color light emitting layer and the maximum size of the second effective light emitting region is a second difference, and the first difference is less than the second difference.
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公开(公告)号：US20190195938A1
公开(公告)日：2019-06-27
申请号：US16329393
申请日：2018-05-03
发明人： Chao KONG , Kening ZHENG , Dong CHEN , Yinan LIANG
CPC分类号： G01R31/2642 , H05B33/0884 , H05B33/0896 , Y02B20/343
摘要： An aging test method for a light emitting device is provided. The aging test method includes: collecting, in an aging process applied to the light emitting device, an initial value of a first characteristic parameter of the light emitting device and an initial test time point; collecting a current value of the first characteristic parameter and a current test time point (step S1); generating a feature line according to the initial value, the current value, the initial test time point, and the current test time point, and calculating a slope of the feature line; determining whether the slope of the feature line is greater than or equal to a predetermined threshold and less than 0, and returning to the step S1 if a result of the determination is NO; and terminating the aging process applied to the light emitting device if the result of the determination is YES.
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