US 11,843,077 B2
Unit pixel having light emitting device and displaying apparatus
Namgoo Cha, Gyeonggi-do (KR); Sangmin Kim, Gyeonggi-do (KR); Jung Hwan Ahn, Gyeonggi-do (KR); and Jae Hee Lim, Gyeonggi-do (KR)
Assigned to SEOUL VIOSYS CO., LTD., Ansan-si (KR)
Filed by SEOUL VIOSYS CO., LTD., Gyeonggi-do (KR)
Filed on Feb. 5, 2021, as Appl. No. 17/168,958.
Claims priority of provisional application 63/015,191, filed on Apr. 24, 2020.
Claims priority of provisional application 62/972,981, filed on Feb. 11, 2020.
Prior Publication US 2021/0249564 A1, Aug. 12, 2021
Int. Cl. H01L 33/38 (2010.01); H01L 33/58 (2010.01); H01L 27/15 (2006.01); H01L 33/62 (2010.01); H01L 33/48 (2010.01); H01L 33/54 (2010.01)
CPC H01L 33/38 (2013.01) [H01L 27/156 (2013.01); H01L 33/486 (2013.01); H01L 33/54 (2013.01); H01L 33/58 (2013.01); H01L 33/62 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A unit pixel, comprising:
a transparent substrate;
a plurality of light emitting devices arranged on the transparent substrate; and
an optical layer disposed between the plurality of light emitting devices and the transparent substrate and transmitting light emitted from the plurality of light emitting devices; and
a step adjustment layer covering a light emitting device and adhered to the optical layer;
wherein the transparent substrate has a concavo-convex pattern on a surface facing the plurality of light emitting devices, and
wherein the plurality of light emitting devices includes light emitting devices that are arranged side by side to form a row.