US 11,942,508 B2
Pixel and display device including the same
Sung Hoon Kim, Yongin-si (KR); Yi Joon Ahn, Yongin-si (KR); Eun Kyung Yeon, Yongin-si (KR); and Jae Been Lee, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on May 4, 2021, as Appl. No. 17/307,436.
Claims priority of application No. 10-2020-0113390 (KR), filed on Sep. 4, 2020.
Prior Publication US 2022/0077225 A1, Mar. 10, 2022
Int. Cl. H01L 27/15 (2006.01); H01L 33/38 (2010.01)
CPC H01L 27/156 (2013.01) [H01L 33/382 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a pixel disposed in a display area, the pixel comprising:
a first electrode and a second electrode that are spaced apart from each other;
a first insulating layer disposed on the first electrode and the second electrode and including a trench corresponding to a region between the first electrode and the second electrode;
light emitting elements disposed in the trench, each of the light emitting elements including a first end portion and a second end portion;
a first contact electrode disposed on the first end portion of each of the light emitting elements and the first electrode; and
a second contact electrode disposed on the second end portion of each of the light emitting elements and the second electrode,
wherein the trench comprises:
a first trench that accommodates the light emitting elements; and
second trenches disposed in the first trench.