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公开(公告)号：US20210280659A1
公开(公告)日：2021-09-09
申请号：US17139676
申请日：2020-12-31
发明人： Jun Hyun Park , Hyeong Seok Kim , Young Wan Seo , Yu Jin Lee , Cheol Gon Lee
IPC分类号： H01L27/32 , G09G3/3233 , H01L27/12
摘要： A display device includes a display panel having a general area including first subpixels, and a sensor area including second subpixels and light-transmitting area. Each of the first subpixels and the second subpixels includes a first active layer disposed on a substrate and formed of a first material, a first gate layer disposed on the first active layer, a second gate layer disposed on the first gate layer, a second active layer disposed on the second gate layer and formed of a second material different from the first material, a third gate layer disposed on the second active layer, and a light-blocking layer disposed between the substrate and the first active layer and overlapping the second active layer in a thickness direction.
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公开(公告)号：US11114033B2
公开(公告)日：2021-09-07
申请号：US16855038
申请日：2020-04-22
发明人： Jun Hyun Park , Bon Yong Koo , Yu Jin Lee , Kyung Hoon Chung , Chong Chul Chai
IPC分类号： G09G3/325 , G09G3/36 , G09G3/3291 , G09G3/3266
摘要： A pixel including: a light emitter; a first transistor including first and second electrodes respectively connected to power and the light emitter, the first transistor controlling driving current; a first capacitor between a second and third node; a second transistor between the third node and data line and turned on by a scan signal; a third transistor between a first and second node, and turned on by a control signal; a fourth transistor between power and the third node, and turned on by a emission control signal; a fifth transistor between power and the first electrode, and turned on by the emission control signal; a sixth transistor between the second node and the light emitter, and turned on by another emission control signal; and a second capacitor between power and the first node, wherein the fourth, fifth and sixth transistors turn-on/off at least four times in a non-emission period.
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