US 12,268,073 B2
Light emitting area including diffractive pattern and display device having the same
Kwang Soo Bae, Yongin-si (KR); Minjeong Oh, Gimpo-si (KR); and Beomsoo Park, Seongnam-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Apr. 8, 2021, as Appl. No. 17/225,553.
Claims priority of application No. 10-2020-0083821 (KR), filed on Jul. 8, 2020.
Prior Publication US 2022/0013586 A1, Jan. 13, 2022
Int. Cl. H10K 59/38 (2023.01); G09F 9/30 (2006.01); H10K 50/86 (2023.01)
CPC H10K 59/38 (2023.02) [G09F 9/301 (2013.01); H10K 50/865 (2023.02)] 13 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel including a light-emitting region and a peripheral region which is adjacent to the light-emitting region; and
a reflection preventing layer facing the display panel, the reflection preventing layer comprising in order from the display panel:
a light-blocking pattern corresponding to the peripheral region and defining an opening corresponding to the light-emitting region;
a color filter in the opening of the light-blocking pattern; and
a protruding pattern provided in plural comprising:
a first protruding pattern corresponding to the light-blocking pattern,
a second protruding pattern corresponding to the opening,
each single protruding pattern among the first protruding pattern and the second protruding pattern having a width at a bottom of the each single protruding patter, and
the width of the first protruding pattern greater than the width of the second protruding pattern.