US 11,659,738 B2
Display apparatus
Seongmin Wang, Yongin-si (KR); Youngin Hwang, Yongin-si (KR); and Yongho Yang, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Mar. 12, 2021, as Appl. No. 17/199,890.
Application 17/199,890 is a continuation of application No. 16/365,757, filed on Mar. 27, 2019, granted, now 10,978,538.
Claims priority of application No. 10-2018-0107379 (KR), filed on Sep. 7, 2018.
Prior Publication US 2021/0202647 A1, Jul. 1, 2021
Int. Cl. H01L 27/32 (2006.01)
CPC H01L 27/3272 (2013.01) [H01L 27/3265 (2013.01); H01L 27/3276 (2013.01)] 19 Claims
OG exemplary drawing
1. A display apparatus comprising a pixel in display area, the pixel comprising:
a driving transistor comprising a first semiconductor layer comprising a silicon;
a switching transistor comprising a second semiconductor layer comprising an oxide;
a first overlapping layer overlapping the driving transistor, the first overlapping layer interposed between a substrate and the first semiconductor layer and separated from the first semiconductor by an insulating layer; and
a second overlapping layer overlapping the switching transistor, the second overlapping layer interposed between the substrate and the second semiconductor layer and separated from the second semiconductor by an insulating layer,
wherein different voltages are applied to the first overlapping layer and the second overlapping layer.