US 12,469,828 B2
Display device using semiconductor light-emitting devices having a passivation layer
Soohyun Kim, Seoul (KR); Kiseong Jeon, Seoul (KR); Jaewon Chang, Seoul (KR); and Hyunho Lee, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/798,211
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Feb. 17, 2020, PCT No. PCT/KR2020/002204
§ 371(c)(1), (2) Date Aug. 8, 2022,
PCT Pub. No. WO2021/162155, PCT Pub. Date Aug. 19, 2021.
Claims priority of application No. 10-2020-0016564 (KR), filed on Feb. 11, 2020.
Prior Publication US 2023/0084381 A1, Mar. 16, 2023
Int. Cl. H01L 25/075 (2006.01); H10H 20/01 (2025.01); H10H 20/857 (2025.01)
CPC H01L 25/0753 (2013.01) [H10H 20/857 (2025.01); H10H 20/0364 (2025.01)] 10 Claims
OG exemplary drawing
 
1. A display device comprising:
a base portion;
a plurality of assembled electrodes disposed on the base portion and configured to generate an electric field when power is applied;
a dielectric layer formed to cover the plurality of assembled electrodes; and
a plurality of semiconductor light emitting diodes disposed on the dielectric layer;
wherein each of the plurality of semiconductor light emitting diodes includes:
a first assembly control layer formed in a first portion of an entire area of one surface facing the dielectric layer, the first assembly control layer being made of a first material;
a second assembly control layer formed in a second portion, different from the first portion, of the entire area of the one surface facing the dielectric layer, the second assembly control layer being made of a second material different from the first material; and
a passivation layer formed during manufacture on a surface opposite to the one surface,
wherein the second assembly control layer is configured so that an electric force acts in a direction opposite to a direction toward the plurality of assembled electrodes when an electric field is generated between the plurality of assembled electrodes.