US 11,869,880 B2
Method of transferring micro-light emitting diode for LED display
Kyungwook Hwang, Seoul (KR); Junsik Hwang, Hwaseong-si (KR); and Sungwoo Hwang, Seoul (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Nov. 5, 2020, as Appl. No. 17/090,077.
Claims priority of provisional application 62/930,880, filed on Nov. 5, 2019.
Claims priority of application No. 10-2020-0042411 (KR), filed on Apr. 7, 2020.
Prior Publication US 2021/0134770 A1, May 6, 2021
Int. Cl. H01L 25/075 (2006.01); H01L 23/00 (2006.01); H01L 33/00 (2010.01)
CPC H01L 25/0753 (2013.01) [H01L 24/08 (2013.01); H01L 24/24 (2013.01); H01L 24/80 (2013.01); H01L 24/95 (2013.01); H01L 33/0095 (2013.01); H01L 24/82 (2013.01); H01L 2224/08225 (2013.01); H01L 2224/16225 (2013.01); H01L 2224/245 (2013.01); H01L 2224/24137 (2013.01); H01L 2224/8014 (2013.01); H01L 2224/80986 (2013.01); H01L 2224/9512 (2013.01); H01L 2224/95102 (2013.01); H01L 2224/95136 (2013.01); H01L 2924/10156 (2013.01); H01L 2924/12041 (2013.01); H01L 2933/0041 (2013.01)] 32 Claims
OG exemplary drawing
 
1. A method of transferring at least one micro light emitting diode (LED) to a pixel array panel comprising a plurality of sub-pixel regions on which the at least one micro LED is to be mounted, the method comprising:
transferring the at least one micro LED by spraying using an inkjet method,
wherein the transferring of the at least one micro LED comprises:
dividing the plurality of sub-pixel regions into a plurality of groups; and
transferring a plurality of micro LEDs to each group from among the plurality of groups.