US 11,791,323 B2
Light emitting display device and method of fabricating the same
Duk Sung Kim, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Jun. 10, 2021, as Appl. No. 17/344,383.
Application 17/344,383 is a continuation of application No. 16/437,678, filed on Jun. 11, 2019, granted, now 11,037,914.
Claims priority of application No. 10-2018-0078393 (KR), filed on Jul. 5, 2018.
Prior Publication US 2021/0305225 A1, Sep. 30, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H01L 25/16 (2023.01); H01L 33/50 (2010.01); H01L 33/08 (2010.01); H01L 33/44 (2010.01); H01L 33/58 (2010.01)
CPC H01L 25/167 (2013.01) [H01L 33/08 (2013.01); H01L 33/44 (2013.01); H01L 33/50 (2013.01); H01L 33/58 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A light emitting display device comprising:
a display area including a first sub-pixel area, a second sub-pixel area and a third sub-pixel area;
a first sub-pixel comprising a first light emitting element in the first sub-pixel area;
a second sub-pixel comprising a second light emitting element in the second sub-pixel area;
a third sub-pixel comprising a third light emitting element in the third sub-pixel area;
a first color conversion layer in the first sub-pixel area, the first color conversion layer overlapping the first light emitting element and being configured to convert light of a first color to light of a second color;
a first color filter over the first color conversion layer; and
a partition wall between the first sub-pixel, the second sub-pixel and the third sub-pixel, the partition wall surrounding the first color conversion layer,
wherein the first color conversion layer comprises a first surface adjacent to the first color filter and a second surface adjacent to the first light emitting element, and
wherein the second surface of the first color conversion layer comprises a plurality of steps and is separated from the first light emitting element by one or more insulating patterns.