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公开(公告)号：US20220178013A1
公开(公告)日：2022-06-09
申请号：US17680478
申请日：2022-02-25
发明人： Jinbiao LIU , Luoyang FENG , Youliang LI , Tianyu XU , Rui TAN , Yongyong WEI , Xiang LIU , Li CHEN , Kai WEN , Qinwen JIANG , Shangshu SUN , Peng LIU
摘要： An evaporation source includes a crucible, a heater, a heat adjusting assembly for convecting heat radiation between the heat adjusting assembly and the crucible body and including a first reflection plate and a second reflection plate, and a hollowed-out pattern provided in the second reflection plate. The crucible includes a crucible body having a top surface, a bottom surface and side surfaces connecting the top and the bottom surfaces; and a nozzle disposed on the top surface of the crucible body. The heater is disposed outside the crucible body for generating heat radiation. Wherein the first reflection is disposed on at least one side of the side surfaces of the crucible body, a gap exists between the first reflection plate and the crucible body; the second reflection plate is disposed under the bottom surface of the crucible body, a gap exists between the second reflection plate and the crucible body.
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公开(公告)号：US20240188396A1
公开(公告)日：2024-06-06
申请号：US17796552
申请日：2021-08-31
发明人： Zhenye WEI , Qiyun WANG , Hongwei ZHANG , Li CHEN , Cheng ZENG , Xiongyi LUO
CPC分类号： H10K59/879 , H10K59/35
摘要： Provided are a display substrate, a manufacturing method thereof, a display device. The display substrate includes sub-pixel units on a base layer, each sub-pixel unit includes a light propagation unit including a first medium structure and a second medium structure, orthographic projections of the first medium structure and the light emitting unit on the base layer are at least partially overlapped, the second medium structure contacts at least one side of the first medium structure. The first medium structure has a refractive index larger than that of the second medium structure. A first included angle between a diagonal line and a bottom side of a first cross section of the first medium structure is equal to a total reflection angle at a contact surface between the first medium structure and the second medium structure. The first included angle is smaller than or equal to a preset angle.
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公开(公告)号：US20240276764A1
公开(公告)日：2024-08-15
申请号：US18022480
申请日：2022-04-21
发明人： Hongwei ZHANG , Qiyun WANG , Zhenye WEI , Lulin MA , Zhen SUN , Cheng ZENG , Li CHEN , Xiongyi LUO , Guangri YU
IPC分类号： H10K59/12 , H10K59/35 , H10K59/80 , H10K77/10 , H10K102/00
CPC分类号： H10K59/1201 , H10K59/35 , H10K59/873 , H10K59/879 , H10K77/10 , H10K2102/302
摘要： The present disclosure provides a display panel and a display apparatus. The display panel includes: a substrate, including a plurality of sub-pixel regions; a plurality of light emitting devices, located on one side of the substrate and corresponding to the sub-pixel regions one by one; a first pixel definition layer, located on one side, facing away from the substrate, of the light emitting devices and including first opening regions corresponding to the sub-pixel regions one by one; a plurality of quantum dot layers, located on the side, facing away from the substrate, of the light emitting devices and located in at least part of the first opening regions; and a plurality of first refractive index patterns, located between the light emitting devices and the quantum dot layers, where a refractive index of each quantum dot layer is greater than that of each first refractive index pattern.
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