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公开(公告)号：US11783790B2
公开(公告)日：2023-10-10
申请号：US17050302
申请日：2019-07-17
发明人： Zhe Wang , Qingqing Ma , Chao Tian , Rui Xu , Shuo Li , Min Wang , Xiang Yuan , Linyu Li , Haizhou Ren , Haiyang Tian , Kaifeng Wang , Yinan Gao , Guojie Qin
IPC分类号： G09G3/34 , G02F1/1685 , G02F1/1681 , G02F1/167
CPC分类号： G09G3/344 , G02F1/167 , G02F1/1681 , G02F1/1685 , G09G2300/0426 , G09G2310/0254 , G09G2310/08 , G09G2320/0242 , G09G2320/0666 , G09G2330/021
摘要： A display substrate includes a first substrate, a microcup structure layer, an electrophoretic liquid and a second substrate. The first substrate includes a pixel electrode layer which includes a plurality of pixel electrodes. The microcup structure layer is disposed on a side of the first substrate. The microcup structure layer includes a plurality of microcups, each microcup has a first opening and a second opening opposite to the first opening, the first opening is closer to the pixel electrode layer than the second opening, a size of the first opening being greater than a size of the second opening. The electrophoretic fluid is filled in the plurality of microcups, and the electrophoretic fluid is incorporated with charged particles. The second substrate is disposed on a side, away from the first substrate, of the microcup structure layer with the electrophoretic fluid, and the second substrate includes a common electrode layer.
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公开(公告)号：US11740531B2
公开(公告)日：2023-08-29
申请号：US16956974
申请日：2019-07-31
发明人： Zhe Wang , Qingqing Ma , Chao Tian , Rui Xu , Min Wang , Tianjiao Wang , Yan Zhang , Haiyang Tian
IPC分类号： G02F1/16757 , G02F1/167 , G09G3/34 , G02F1/16766
CPC分类号： G02F1/16757 , G02F1/167 , G02F1/16766 , G09G3/344
摘要： Embodiments of the present disclosure provide an electronic paper, a display device, and a driving method. A plurality of first half-cup structures each includes charged dye particles with a single electric property are provided on the first driving backplane, a plurality of second half-cup structures each includes charged dye particles with a single electric property are provided on the second driving backplane; one first half-cup structure and the opposite second half-cup structures constitute a micro-cup structure, a electric property of the charged dye particles in the first half-cup structure is opposite to that in the second half-cup structure in the same micro-cup structure; a cross-sectional area of the respective second half-cup structures gradually decreases in a direction pointing from the second driving backplane to the first driving backplane; and a cross-sectional area of the respective first half-cup structures gradually decreases in an opposite direction.
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