US 11,810,944 B2
LED display apparatus
Jong Min Jang, Ansan-si (KR); and Chang Yeon Kim, Ansan-si (KR)
Assigned to Seoul Viosys Co., Ltd., Ansan-si (KR)
Filed by SEOUL VIOSYS CO., LTD., Ansan-si (KR)
Filed on Oct. 20, 2020, as Appl. No. 17/075,636.
Claims priority of provisional application 62/924,737, filed on Oct. 23, 2019.
Prior Publication US 2021/0126046 A1, Apr. 29, 2021
Int. Cl. H01L 27/15 (2006.01); H01L 33/56 (2010.01); H01L 33/38 (2010.01); H01L 33/62 (2010.01)
CPC H01L 27/156 (2013.01) [H01L 33/382 (2013.01); H01L 33/56 (2013.01); H01L 33/62 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display apparatus, comprising:
a display substrate;
a plurality of light emitting devices disposed on the display substrate, at least one of the light emitting devices including a first LED sub-unit, a second LED sub-unit disposed on the first LED sub-unit, and a third LED sub-unit disposed on the second LED sub-unit; and
a molding layer covering side surfaces of the light emitting devices and exposing upper surfaces thereof,
wherein the first LED sub-unit is disposed closer to the display substrate than the third LED sub-unit,
wherein a width of the third LED sub-unit is greater than that of the second LED sub-unit, and a width of the second LED sub-unit is greater than that of the first LED sub-unit, and
wherein a difference of a viewing angle of the second LED sub-unit with that of the third LED sub-unit is less than 10 degrees.