US 12,154,935 B2
Display device using semiconductor light emitting element and black dye layers
Dongjin Yoon, Seoul (KR); Jeongsik Choi, Seoul (KR); Sangtae Park, Seoul (KR); Inbeom Ha, Seoul (KR); and Kiseok Kim, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Aug. 26, 2021, as Appl. No. 17/412,719.
Claims priority of application No. 10-2020-0108693 (KR), filed on Aug. 27, 2020.
Prior Publication US 2022/0069002 A1, Mar. 3, 2022
Int. Cl. H10K 50/84 (2023.01); G09F 9/30 (2006.01); H01L 27/15 (2006.01); H01L 33/44 (2010.01); H10K 50/844 (2023.01); H10K 50/86 (2023.01); H10K 59/12 (2023.01); F21K 9/64 (2016.01); G02F 1/1333 (2006.01); G06F 1/16 (2006.01); H10K 50/115 (2023.01); H10K 50/842 (2023.01); H10K 59/10 (2023.01); H10K 59/122 (2023.01); H10K 59/124 (2023.01); H10K 59/18 (2023.01); H10K 59/19 (2023.01); H10K 59/35 (2023.01); H10K 77/10 (2023.01); H10K 102/00 (2023.01)
CPC H01L 27/156 (2013.01) [G09F 9/301 (2013.01); H01L 33/44 (2013.01); H10K 50/841 (2023.02); H10K 50/844 (2023.02); H10K 50/865 (2023.02); F21K 9/64 (2016.08); G02F 1/133305 (2013.01); G06F 1/1652 (2013.01); G09G 2380/02 (2013.01); H10K 50/115 (2023.02); H10K 50/8426 (2023.02); H10K 59/10 (2023.02); H10K 59/122 (2023.02); H10K 59/124 (2023.02); H10K 59/18 (2023.02); H10K 59/19 (2023.02); H10K 59/35 (2023.02); H10K 77/111 (2023.02); H10K 2102/311 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display device, comprising:
a base substrate;
a plurality of semiconductor light emitting elements on the base substrate and configured to respectively emit light in response to an applied voltage;
an envelope layer sealing the plurality of semiconductor light emitting elements and planarizing the base substrate on which the plurality of semiconductor light emitting elements are mounted;
a transparent protective film stacked on the envelope layer and having flexibility; and
a black dye layer coated on a first side of the transparent protective film and simultaneously overlapped with the plurality of semiconductor light emitting elements, and having a preset transmissivity.