US 12,278,256 B2
Display apparatus including LED with plurality of light emitting layers
Sungyeol Kim, Suwon-si (KR); Kyehoon Lee, Suwon-si (KR); Punjae Choi, Suwon-si (KR); Sooyoung Park, Suwon-si (KR); Chunsoon Park, Suwon-si (KR); and Junsung Choi, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Oct. 12, 2023, as Appl. No. 18/379,404.
Application 18/379,404 is a continuation of application No. PCT/KR2023/014286, filed on Sep. 20, 2023.
Claims priority of application No. 10-2022-0176357 (KR), filed on Dec. 15, 2022.
Prior Publication US 2024/0204035 A1, Jun. 20, 2024
Int. Cl. H01L 27/15 (2006.01); G02F 1/1335 (2006.01); G02F 1/13357 (2006.01); H01L 25/065 (2023.01); G02F 1/017 (2006.01); H01L 33/06 (2010.01); H01L 33/38 (2010.01); H01L 33/46 (2010.01)
CPC H01L 27/15 (2013.01) [G02F 1/133536 (2013.01); G02F 1/133603 (2013.01); G02F 1/133606 (2013.01); G02F 1/133607 (2021.01); G02F 1/133614 (2021.01); G02F 1/13362 (2013.01); H01L 25/0655 (2013.01); H01L 27/156 (2013.01); G02F 1/017 (2013.01); G02F 2201/346 (2013.01); G02F 2202/36 (2013.01); H01L 33/06 (2013.01); H01L 33/385 (2013.01); H01L 33/46 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display apparatus, comprising:
a liquid crystal panel; and
a backlight configured to provide light to the liquid crystal panel, the backlight comprising a substrate and a light-emitting diode (LED) that is mounted on the substrate,
wherein the LED comprises:
a plurality of light-emitting layers configured to emit light of different wavelengths, and
at least one blocking layer provided between one of the plurality of light-emitting layers and another of the plurality of light-emitting layers and configured to block an electrical connection therebetween, and
wherein a wavelength of light emitted from each of the plurality of light-emitting layers is greater than or equal to 430 nm and less than or equal to 480 nm.