US 12,439,795 B2
Display device
Seungpyo Hong, Busan (KR); JungSun Baek, Paju-si (KR); Seongjoo Lee, Goyang-si (KR); and ChangHyun Song, Goyang-si (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Aug. 26, 2022, as Appl. No. 17/896,908.
Claims priority of application No. 10-2021-0139987 (KR), filed on Oct. 20, 2021.
Prior Publication US 2023/0120937 A1, Apr. 20, 2023
Int. Cl. H10K 59/35 (2023.01); H10K 50/844 (2023.01); H10K 59/122 (2023.01); H10K 59/38 (2023.01)
CPC H10K 59/353 (2023.02) [H10K 50/844 (2023.02); H10K 59/122 (2023.02); H10K 59/38 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display device, comprising:
a substrate including a plurality of sub-pixels;
an overcoating layer on the substrate and including a base portion and a plurality of protrusion portions;
a first electrode corresponding to each of the plurality of sub-pixels and covering the base portion and the plurality of protrusion portions;
a bank on a portion of the first electrode;
an organic layer on the first electrode and the bank;
a second electrode on the organic layer;
an encapsulation unit on the second electrode; and
a color filter on the encapsulation unit,
wherein the color filter overlaps another portion of the first electrode that is exposed by the bank,
wherein the plurality of sub-pixels includes an emission area and a non-emission area,
wherein the bank has an opening area exposing the first electrode and a non-opening area covering an end of the first electrode in the non-emission area,
wherein the non-opening area of the bank includes a reflective area configured to emit a first light,
wherein the opening area of the bank corresponds to the emission area configured to emit a second light, and
wherein the color filter does not overlap the reflective area of the bank.