US 11,855,053 B2
Display device and method for manufacturing same
Tae Jin Kong, Yongin-si (KR); Myeong Hee Kim, Yongin-si (KR); and Hee Keun Lee, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Appl. No. 17/413,324
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
PCT Filed Jun. 13, 2019, PCT No. PCT/KR2019/007162
§ 371(c)(1), (2) Date Jun. 11, 2021,
PCT Pub. No. WO2020/122337, PCT Pub. Date Jun. 18, 2020.
Claims priority of application No. 10-2018-0161079 (KR), filed on Dec. 13, 2018.
Prior Publication US 2022/0068901 A1, Mar. 3, 2022
Int. Cl. H01L 25/16 (2023.01); H01L 27/12 (2006.01); H01L 33/60 (2010.01)
CPC H01L 25/167 (2013.01) [H01L 27/124 (2013.01); H01L 27/1248 (2013.01); H01L 27/1259 (2013.01); H01L 33/60 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a base layer including a display area and a non-display area; and
a plurality of pixels disposed in the display area, each of the plurality of pixels including a plurality of sub-pixels, wherein
each of the plurality of sub-pixels comprises:
a pixel circuit layer; and
a display element layer disposed on the pixel circuit layer,
each display element layer comprises:
a partition wall disposed in each of the plurality of sub-pixels;
a bank disposed between adjacent ones of the plurality of sub-pixels, the bank having a greater thickness than the partition wall;
a first electrode and a second electrode disposed on the partition wall and spaced apart from each other;
a reflective pattern disposed on the bank; and
at least one light emitting element disposed between the first electrode and the second electrode wherein
the reflective pattern encloses an upper surface and a side surface of the bank.