US 12,243,953 B2
Apparatus for manufacturing light-emitting display device
Jong Hyuk Kang, Yongin-si (KR); Won Ho Lee, Yongin-si (KR); Hyun Deok Im, Yongin-si (KR); Young Hoi Kim, Yongin-si (KR); Jin Young Kim, Yongin-si (KR); Hyun Min Cho, Yongin-si (KR); and Hae Yun Choi, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Appl. No. 17/255,795
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
PCT Filed Feb. 7, 2019, PCT No. PCT/KR2019/001545
§ 371(c)(1), (2) Date Dec. 23, 2020,
PCT Pub. No. WO2020/004762, PCT Pub. Date Jan. 2, 2020.
Claims priority of application No. 10-2018-0073900 (KR), filed on Jun. 27, 2018; and application No. 10-2018-0110420 (KR), filed on Sep. 14, 2018.
Prior Publication US 2021/0126158 A1, Apr. 29, 2021
Int. Cl. H01L 33/00 (2010.01); H01L 25/075 (2006.01)
CPC H01L 33/0095 (2013.01) [H01L 25/0753 (2013.01)] 23 Claims
OG exemplary drawing
 
1. An apparatus for manufacturing a light emitting display device, comprising:
a stage comprising a first side opposing and facing a second side, and a third side opposing and facing a fourth side;
at least one electric-field application module disposed on a corresponding at least one side of the stage and configured to supply an electric field to a substrate on the stage;
at least one printing head disposed above the stage and configured to spray a light emitting component on a selected area of the substrate, wherein the printing head is movable; and
a heating element disposed adjacent the stage and configured to heat a component applied to the substrate,
wherein the at least one electric-field application module comprises:
a probe head having at least one probe pin, and
a driver connected to the probe head to move the probe head.