US 12,439,697 B2
Display device
Hyung Jun Kim, Seoul (KR); So Young Koo, Hwaseong-si (KR); Eok Su Kim, Seoul (KR); Yun Yong Nam, Hwaseong-si (KR); Jun Hyung Lim, Seoul (KR); and Kyung Jin Jeon, Incheon (KR)
Assigned to Samsung Display Co., Ltd., Yongin-Si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Mar. 20, 2024, as Appl. No. 18/610,416.
Application 18/610,416 is a continuation of application No. 17/398,566, filed on Aug. 10, 2021, granted, now 11,942,482.
Claims priority of application No. 10-2020-0165906 (KR), filed on Dec. 1, 2020.
Prior Publication US 2024/0234431 A1, Jul. 11, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H01L 27/12 (2006.01); H10D 30/67 (2025.01); H10D 86/40 (2025.01); H10D 86/60 (2025.01); H10K 59/12 (2023.01)
CPC H10D 86/60 (2025.01) [H10D 30/6755 (2025.01); H10D 30/6757 (2025.01); H10D 86/423 (2025.01); H10K 59/1201 (2023.02)] 16 Claims
OG exemplary drawing
 
1. A display device comprising:
a light blocking layer disposed on a substrate;
an oxygen supply layer disposed on and contacting the light blocking layer; and
a semiconductor layer disposed on the oxygen supply layer; wherein
the semiconductor layer comprises an oxide semiconductor, and
the oxygen supply layer includes a metal oxide that includes at least one of indium, zinc, gallium, and tin, wherein a thickness of the oxygen supply layer is in a range of about 30% to about 50% of a thickness of the semiconductor layer.