US 12,225,754 B2
Display device
Nak Cho Choi, Yongin-si (KR); Dong Hyun Son, Seoul (KR); and Se Wan Son, Hwaseong-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-do (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Jul. 29, 2021, as Appl. No. 17/389,271.
Claims priority of application No. 10-2020-0159102 (KR), filed on Nov. 24, 2020.
Prior Publication US 2022/0165984 A1, May 26, 2022
Int. Cl. H01L 51/52 (2006.01); H10K 50/844 (2023.01); H10K 50/86 (2023.01); H10K 59/122 (2023.01); H10K 59/38 (2023.01)
CPC H10K 50/844 (2023.02) [H10K 50/865 (2023.02); H10K 59/122 (2023.02); H10K 59/38 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate on which a display area and a transmission area are defined;
a metal blocking layer disposed in the display area on the substrate;
an inorganic insulation layer disposed on the metal blocking layer;
an organic insulation layer disposed on the inorganic insulation layer;
a pixel defining layer disposed on the organic insulation layer, wherein an opening is defined through the pixel defining layer;
an emission layer disposed on the organic insulation layer and in the opening of the pixel defining layer;
a planarization layer disposed in the transmission area on the organic insulation layer; and
an encapsulation layer disposed in the display area and the transmission area,
wherein the inorganic insulation layer is at least partially removed in the transmission area,
the organic insulation layer is disposed in the display area and the transmission area, and
the planarization layer contacts a side surface of the pixel defining layer.