US 12,457,827 B2
Display device and method of manufacturing the same
Hyunah Sung, Suwon-si (KR); Taewook Kang, Seongnam-si (KR); Gyungmin Baek, Yongin-si (KR); and Shin Il Choi, Hwaseong-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Jul. 21, 2022, as Appl. No. 17/870,372.
Claims priority of application No. 10-2021-0097228 (KR), filed on Jul. 23, 2021.
Prior Publication US 2023/0027414 A1, Jan. 26, 2023
Int. Cl. H10H 20/832 (2025.01); H10H 20/01 (2025.01); H10H 20/831 (2025.01); H10H 20/833 (2025.01); H10H 20/857 (2025.01)
CPC H10H 20/835 (2025.01) [H10H 20/01 (2025.01); H10H 20/8312 (2025.01); H10H 20/833 (2025.01); H10H 20/857 (2025.01); H10H 20/032 (2025.01)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate including a display area and a non-display area adjacent to the display area;
a transistor disposed in the display area of the substrate and on the substrate, the transistor including an active pattern, a gate electrode, a source electrode, and a drain electrode;
a reflective electrode disposed on the transistor and electrically connected to the transistor, the reflective electrode including molybdenum (Mo);
an insulating film disposed on the reflective electrode and including at least one thin film layer, the at least one thin film layer including:
a first thin film including a material having a refractive index of 2.0 or more; and
a second thin film disposed on the first thin film and including a material having a refractive index of 1.8 or less;
a contact electrode disposed on the insulating film and electrically connected to the reflective electrode; and
a light emitting diode disposed on the insulating film and electrically connected to the contact electrode.