US 12,068,279 B2
Dipole alignment apparatus for use in manufacturing of display device including electric field forming unit having a stage and probe generating electric field, and applying electric field simultaneously with light irradiation generated by the light irradiation device to the ink sprayed on the stage
Won Ho Lee, Suwon-si (KR); Hyun Deok Im, Seoul (KR); Jong Hyuk Kang, Suwon-si (KR); Jin Oh Kwag, Yongin-si (KR); Keun Kyu Song, Seongnam-si (KR); Sung Chan Jo, Seoul (KR); and Hyun Min Cho, Seoul (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Appl. No. 17/630,595
Filed by Samsung Display Co., LTD., Yongin-si (KR)
PCT Filed Jun. 3, 2020, PCT No. PCT/KR2020/007232
§ 371(c)(1), (2) Date Jan. 27, 2022,
PCT Pub. No. WO2021/020714, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 10-2019-0093144 (KR), filed on Jul. 31, 2019.
Prior Publication US 2022/0254753 A1, Aug. 11, 2022
Int. Cl. H01L 21/68 (2006.01); B41M 3/00 (2006.01); H01L 23/00 (2006.01); H01L 25/16 (2023.01)
CPC H01L 24/95 (2013.01) [B41M 3/006 (2013.01); H01L 21/68 (2013.01); H01L 25/167 (2013.01); H01L 24/24 (2013.01); H01L 24/25 (2013.01); H01L 2224/24051 (2013.01); H01L 2224/24101 (2013.01); H01L 2224/24145 (2013.01); H01L 2224/25175 (2013.01); H01L 2224/95102 (2013.01); H01L 2224/95133 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A dipole alignment device comprising:
an electric field forming part including:
a stage; and
probe parts which form an electric field on the stage;
an inkjet printing apparatus including at least one inkjet head which sprays ink including dipoles and a solvent with the dipoles dispersed therein onto the stage;
a transportation part including a first moving part which moves the electric field forming part in at least one direction; and
a light irradiation apparatus including a light irradiation part which applies light to the ink sprayed onto the stage, wherein
the electric field forming part forms an electric field on the stage simultaneously while light is applied to the ink.