US 12,219,810 B2
Display device with pixel including light blocking pattern on light emitting elements, and manufacturing method thereof
Jin Woo Choi, Yongin-si (KR); Min Woo Kim, Yongin-si (KR); Sung Kook Park, Yongin-si (KR); Dae Ho Song, Yongin-si (KR); Byung Choon Yang, Yongin-si (KR); and Hyung Il Jeon, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Nov. 8, 2021, as Appl. No. 17/521,546.
Claims priority of application No. 10-2020-0177878 (KR), filed on Dec. 17, 2020.
Prior Publication US 2022/0199725 A1, Jun. 23, 2022
Int. Cl. H10K 59/121 (2023.01); H10K 50/856 (2023.01); H10K 50/86 (2023.01); H10K 59/12 (2023.01); H10K 71/00 (2023.01)
CPC H10K 59/1213 (2023.02) [H10K 50/856 (2023.02); H10K 50/865 (2023.02); H10K 71/00 (2023.02); H10K 59/1201 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate including a plurality of pixel areas; and
a pixel in each of the plurality of pixel areas,
wherein the pixel comprises:
a pixel circuit layer on the substrate and comprising at least one transistor;
a first electrode on the pixel circuit layer and electrically connected to the transistor;
a plurality of light emitting elements on the first electrode and electrically connected to the first electrode;
a second electrode on the plurality of light emitting elements; and
a light blocking pattern on the second electrode and including a plurality of openings corresponding to each of the plurality of light emitting elements, and
wherein each of the plurality of pixel areas includes an emission area corresponding to each of the plurality of openings and a non-emission area excluding the emission area.