US 11,728,196 B2
Apparatus for and method for aligning dipoles and method of fabricating display device
Won Ho Lee, Suwon-si (KR); Buem Joon Kim, Hwaseong-si (KR); Jong Hyuk Kang, Suwon-si (KR); Hyun Deok Im, Seoul (KR); and Chung Sic Choi, Hwaseong-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Mar. 3, 2021, as Appl. No. 17/191,018.
Claims priority of application No. 10-2020-0081036 (KR), filed on Jul. 1, 2020.
Prior Publication US 2022/0005719 A1, Jan. 6, 2022
Int. Cl. H01L 21/68 (2006.01); H01L 21/67 (2006.01); H01L 23/00 (2006.01); B41J 2/095 (2006.01); H01L 25/075 (2006.01)
CPC H01L 21/68 (2013.01) [H01L 21/6715 (2013.01); H01L 24/75 (2013.01); H01L 25/0753 (2013.01); B41J 2/095 (2013.01); H01L 2224/759 (2013.01); H01L 2224/75251 (2013.01); H01L 2224/75252 (2013.01); H01L 2224/75283 (2013.01); H01L 2224/75501 (2013.01); H01L 2224/75655 (2013.01); H01L 2224/75701 (2013.01); H01L 2924/12041 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An apparatus for aligning dipoles, the apparatus comprising:
an electric field forming unit comprising a stage and a probe unit, the probe unit being configured to form an electric field on the stage;
an inkjet printing device comprising an inkjet head, the inkjet head being configured to spray ink comprising a solvent and dipoles dispersed in the solvent onto the stage;
a light irradiation device configured to irradiate light onto the stage; and
a temperature control device comprising a temperature control unit, the temperature control unit being configured to control a temperature of the solvent sprayed on the stage.