US 12,336,360 B2
Display devices including conversion layers with quantum dots and low-refraction color filters
Gi Hoon Yang, Yongin-si (KR); Tae Min Kim, Yongin-si (KR); Bong Sung Seo, Yongin-si (KR); Dong Geun Shin, Yongin-si (KR); and Ho Lim, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Mar. 25, 2021, as Appl. No. 17/212,509.
Claims priority of application No. 10-2020-0114162 (KR), filed on Sep. 7, 2020.
Prior Publication US 2022/0077253 A1, Mar. 10, 2022
Int. Cl. H10H 29/851 (2025.01); H01L 25/075 (2006.01); H01L 25/16 (2023.01); H10H 20/80 (2025.01); H10H 20/832 (2025.01); H10H 20/84 (2025.01); H10H 20/851 (2025.01); H10H 20/856 (2025.01); H10H 29/14 (2025.01); H10H 29/37 (2025.01); H10H 29/41 (2025.01); H10H 29/49 (2025.01); H10H 29/80 (2025.01); H10H 29/85 (2025.01); H10H 29/854 (2025.01); H10H 29/855 (2025.01); H10H 29/856 (2025.01)
CPC H10H 29/8514 (2025.01) [H01L 25/0753 (2013.01); H01L 25/167 (2013.01); H10H 20/835 (2025.01); H10H 20/84 (2025.01); H10H 20/8513 (2025.01); H10H 20/8514 (2025.01); H10H 20/8516 (2025.01); H10H 20/856 (2025.01); H10H 20/882 (2025.01); H10H 29/14 (2025.01); H10H 29/37 (2025.01); H10H 29/41 (2025.01); H10H 29/49 (2025.01); H10H 29/8325 (2025.01); H10H 29/8421 (2025.01); H10H 29/8516 (2025.01); H10H 29/8517 (2025.01); H10H 29/854 (2025.01); H10H 29/8552 (2025.01); H10H 29/856 (2025.01); H10H 29/882 (2025.01); H01L 2225/065 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A display device comprising:
a bank including an opening defining pixels;
a display layer comprising light emitting elements disposed in the pixels;
a color conversion layer disposed on the light emitting elements and disposed in the opening and directly contacting the display layer;
a capping layer overlapping the color conversion layer and overlapping a top surface of the bank in a thickness direction; and
a color filter layer disposed on the capping layer,
wherein the color filter layer includes a hollow particle;
wherein the display layer further comprises:
a second bank disposed on one of a circuit layer or a substrate, the second bank comprising a second opening with one of the light emitting elements disposed therein; and
a reflective layer overlapping the second bank;
wherein
the bank has a first height in the thickness direction; and
the second bank has a second height that is less than the first height in the thickness direction.