US 12,230,732 B2
Light emitting device solvent, light emitting device ink comprising same, and method for manufacturing display device
Jae Hoon Jung, Seoul (KR); and Hye Jung Hong, Cheonan-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Appl. No. 17/310,546
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
PCT Filed Jan. 30, 2020, PCT No. PCT/KR2020/001395
§ 371(c)(1), (2) Date Aug. 10, 2021,
PCT Pub. No. WO2020/166853, PCT Pub. Date Aug. 20, 2020.
Claims priority of application No. 10-2019-0015722 (KR), filed on Feb. 11, 2019.
Prior Publication US 2022/0069158 A1, Mar. 3, 2022
Int. Cl. H01L 33/00 (2010.01); C09D 11/033 (2014.01); C09D 11/037 (2014.01); C09D 11/50 (2014.01); C09D 11/52 (2014.01); H01L 33/20 (2010.01); H01L 33/32 (2010.01)
CPC H01L 33/0095 (2013.01) [C09D 11/033 (2013.01); C09D 11/037 (2013.01); C09D 11/50 (2013.01); C09D 11/52 (2013.01); H01L 33/20 (2013.01); H01L 33/32 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for manufacturing a display device, the method comprising:
spraying a device ink, which comprises a first element solvent and light emitting elements dispersed in the first element solvent, on a target substrate having a first electrode and a second electrode formed thereon;
forming a second element solvent having an isomeric structure of a molecular structure of the first element solvent, and loading the light emitting elements on the first electrode and the second electrode; and
removing the second element solvent.