US 12,191,291 B2
Display device and manufacturing method thereof
Kwang Soo Bae, Yongin-si (KR); Beom Soo Park, Yongin-si (KR); Min Jeong Oh, Yongin-si (KR); and Hae Ju Yun, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Apr. 6, 2021, as Appl. No. 17/223,721.
Claims priority of application No. 10-2020-0047627 (KR), filed on Apr. 20, 2020.
Prior Publication US 2021/0327862 A1, Oct. 21, 2021
Int. Cl. H01L 25/16 (2023.01); G02F 1/1333 (2006.01); G02F 1/1335 (2006.01); H01L 25/075 (2006.01); H01L 33/50 (2010.01); H01L 33/54 (2010.01); H01L 33/60 (2010.01); H10K 59/121 (2023.01); H10K 59/123 (2023.01); H10K 59/131 (2023.01); H10K 59/38 (2023.01)
CPC H01L 25/167 (2013.01) [H01L 33/54 (2013.01); H01L 33/507 (2013.01); H01L 33/60 (2013.01); H01L 2933/0041 (2013.01); H01L 2933/005 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a display substrate;
sub-pixels on the display substrate, each of the sub-pixels comprising:
a first electrode and a second electrode on the display substrate and spaced apart from each other;
light emitting elements between the first electrode and the second electrode;
an insulating layer covering the light emitting elements;
a protective pattern on the insulating layer and overlapping an entirety of one of the light emitting elements; and
a bank on the insulating layer at a boundary of one of the sub-pixels.