US 12,253,696 B2
Optical filter and display device including the same
Minsik Jung, Yongin-si (KR); Ohjeong Kwon, Yongin-si (KR); Sanggyun Kim, Yongin-si (KR); Byoungseong Jeong, Yongin-si (KR); and Minju Han, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Oct. 27, 2023, as Appl. No. 18/495,991.
Application 18/495,991 is a division of application No. 17/352,903, filed on Jun. 21, 2021, granted, now 11,803,000.
Application 17/352,903 is a continuation of application No. 16/725,090, filed on Dec. 23, 2019, granted, now 11,041,981, issued on Jun. 22, 2021.
Claims priority of application No. 10-2019-0002406 (KR), filed on Jan. 8, 2019.
Prior Publication US 2024/0069258 A1, Feb. 29, 2024
Int. Cl. G02F 1/13357 (2006.01); G02B 5/20 (2006.01); G02F 1/1335 (2006.01); H10K 59/38 (2023.01)
CPC G02B 5/201 (2013.01) [G02F 1/133514 (2013.01); G02F 1/133617 (2013.01); H10K 59/38 (2023.02)] 26 Claims
OG exemplary drawing
 
1. A display device, comprising:
a first substrate;
a second substrate disposed opposite to the first substrate;
a plurality of light-emitting devices disposed on the first substrate;
an encapsulation layer disposed on the plurality of light-emitting devices and comprising at least one inorganic layer and at least one organic layer;
a plurality of conversion layers disposed on the encapsulation layer and configured to convert light emitted from the plurality of light-emitting devices into light of different colors;
a first layer disposed on the plurality of conversion layers;
a color filter layer disposed between the second substrate and the first layer,
wherein the color filter layer comprises:
a first color filter, a second color filter, and a third color filter, in a plan view, overlapping the plurality of conversion layers and allowing light of different colors to pass therethrough; and
partition walls in which a first color layer comprising a same material as the first color filter, a second color layer comprising a same material as the second color filter, and a third color layer comprising a same material as the third color filter overlap each other, the partition walls being respectively disposed between the first to third color filters; and
a planarization layer disposed over the partition walls and the plurality of conversion layers and covering the partition walls and the plurality of conversion layers.