US 12,378,430 B2
Ink, manufacturing method of display device using the same, and display device
Jun Bo Sim, Yongin-si (KR); Duk Ki Kim, Yongin-si (KR); Hyo Jin Ko, Yongin-si (KR); Chang Hee Lee, Yongin-si (KR); Jae Kook Ha, Yongin-si (KR); Na Mi Hong, Yongin-si (KR); Jong Hyuk Kang, Yongin-si (KR); Won Ho Lee, Yongin-si (KR); Hyun Deok Im, Yongin-si (KR); and Eun A Cho, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Jun. 28, 2021, as Appl. No. 17/360,596.
Claims priority of application No. 10-2020-0122596 (KR), filed on Sep. 22, 2020.
Prior Publication US 2022/0093818 A1, Mar. 24, 2022
Int. Cl. C09D 11/52 (2014.01); C09D 11/033 (2014.01); H01L 25/075 (2006.01); H10H 20/84 (2025.01); H10H 29/03 (2025.01); H10H 29/14 (2025.01); H10H 29/37 (2025.01); H10H 29/49 (2025.01); H10H 29/80 (2025.01)
CPC C09D 11/52 (2013.01) [C09D 11/033 (2013.01); H01L 25/0753 (2013.01); H10H 20/84 (2025.01); H10H 29/03 (2025.01); H10H 29/142 (2025.01); H10H 29/37 (2025.01); H10H 29/49 (2025.01); H10H 29/922 (2025.01)] 19 Claims
OG exemplary drawing
 
1. An ink for manufacturing a display device, comprising:
a first solvent; and
light emitting elements disposed in the first solvent, wherein
the light emitting elements include:
a first semiconductor layer including a first type of semiconductor; and
a second semiconductor layer including a second type of semiconductor, and
an electrical conductivity of the ink is about 1.5 μS/m or less.