US 12,288,834 B2
Light emitting device, light emitting diode package, backlight unit, and liquid crystal display
Eun Ju Kim, Ansan-si (KR)
Assigned to Seoul Semiconductor Co., Ltd., Ansan-si (KR)
Filed by Seoul Semiconductor Co., Ltd., Ansan-si (KR)
Filed on Sep. 18, 2023, as Appl. No. 18/369,657.
Application 18/369,657 is a continuation of application No. 17/958,383, filed on Oct. 1, 2022, granted, now 11,876,151.
Application 17/958,383 is a continuation of application No. 17/110,293, filed on Dec. 3, 2020, granted, now 11,462,663, issued on Oct. 4, 2022.
Application 17/110,293 is a continuation of application No. 17/095,066, filed on Nov. 11, 2020, granted, now 11,621,376, issued on Apr. 4, 2023.
Application 17/095,066 is a continuation of application No. PCT/KR2019/007103, filed on Jun. 12, 2019.
Claims priority of provisional application 62/702,445, filed on Jul. 24, 2018.
Claims priority of provisional application 62/697,552, filed on Jul. 13, 2018.
Claims priority of provisional application 62/697,078, filed on Jul. 12, 2018.
Prior Publication US 2024/0006562 A1, Jan. 4, 2024
Int. Cl. H01L 33/46 (2010.01); G02F 1/1335 (2006.01); G02F 1/13357 (2006.01); H01L 25/075 (2006.01); H01L 33/42 (2010.01); H01L 33/50 (2010.01); H01L 33/54 (2010.01); H01L 33/56 (2010.01); H01L 33/58 (2010.01); H01L 33/60 (2010.01); H01L 33/62 (2010.01)
CPC H01L 33/46 (2013.01) [G02F 1/133603 (2013.01); G02F 1/133605 (2013.01); G02F 1/133607 (2021.01); G02F 1/133614 (2021.01); H01L 25/0753 (2013.01); H01L 33/42 (2013.01); H01L 33/502 (2013.01); H01L 33/505 (2013.01); H01L 33/54 (2013.01); H01L 33/56 (2013.01); H01L 33/58 (2013.01); H01L 33/60 (2013.01); H01L 33/62 (2013.01); H01L 2933/0025 (2013.01); H01L 2933/0041 (2013.01); H01L 2933/005 (2013.01); H01L 2933/0091 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display module, comprising:
a circuit board having an electric pattern;
a plurality of light emitters disposed on the circuit board; and
a plurality of optical layers disposed on the circuit board,
wherein at least one of the plurality of light emitters includes a light emitting diode including a first conductivity type semiconductor layer, a second conductivity type semiconductor layer, and an active layer disposed between the first conductivity type semiconductor layer and the second conductivity type semiconductor layer,
wherein the plurality of optical layers is disposed on at least one of the plurality of light emitters, the plurality of optical layers including a light transfer layer, a light reflection layer, and a light block layer, and
wherein the light block layer includes a region covering at least a region of the light reflection layer and a region of the light transfer layer.