US 12,156,438 B2
Display device with protrusion on inclined side of bank
ByoungHyun Koo, Seoul (KR); SungWook Yoon, Goyang-si (KR); Chung Hoon Lee, Paju-si (KR); and DongMin Jang, Incheon (KR)
Assigned to LG Display Co., Ltd., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Dec. 14, 2023, as Appl. No. 18/540,249.
Application 18/540,249 is a division of application No. 17/336,253, filed on Jun. 1, 2021, granted, now 11,925,069.
Claims priority of application No. 10-2020-0073199 (KR), filed on Jun. 16, 2020.
Prior Publication US 2024/0130169 A1, Apr. 18, 2024
Int. Cl. H01L 27/32 (2006.01); H10K 59/122 (2023.01); H10K 59/35 (2023.01)
CPC H10K 59/122 (2023.02) [H10K 59/352 (2023.02)] 9 Claims
OG exemplary drawing
 
1. A display device, comprising:
a plurality of first electrodes disposed in a plurality of sub-pixels, respectively;
a bank that is disposed to cover a part of edges of a first electrode from the plurality of first electrodes and includes a first area at a flat top surface and a second area at an inclined top surface;
a protrusion disposed on the bank;
an organic layer disposed on the plurality of first electrodes; and
a second electrode disposed on the organic layer; and
a spacer over the bank in the first area,
wherein the protrusion is disposed in the second area, and
the organic layer and the second electrode are disconnected from each other at a side surface of the protrusion between adjacent sub-pixels from the plurality of sub-pixels.