US 12,356,778 B2
Display device and method for manufacturing display device
Hyeon Ho Son, Goyang-si (KR)
Assigned to LG Display Co., Ltd., Seoul (KR)
Appl. No. 17/777,597
Filed by LG Display Co., Ltd., Seoul (KR)
PCT Filed Mar. 10, 2020, PCT No. PCT/KR2020/003324
§ 371(c)(1), (2) Date May 17, 2022,
PCT Pub. No. WO2021/107278, PCT Pub. Date Jun. 3, 2021.
Claims priority of application No. 10-2019-0155155 (KR), filed on Nov. 28, 2019.
Prior Publication US 2023/0018566 A1, Jan. 19, 2023
Int. Cl. H10H 20/856 (2025.01); H01L 25/16 (2023.01); H10H 20/833 (2025.01); H10H 20/01 (2025.01)
CPC H10H 20/856 (2025.01) [H01L 25/167 (2013.01); H10H 20/833 (2025.01); H10H 20/032 (2025.01); H10H 20/0363 (2025.01)] 23 Claims
OG exemplary drawing
 
1. A display device, comprising:
a substrate including a pixel defined thereon;
at least one light emitting diode disposed in the pixel;
an insulating layer covering the light emitting diode;
a pixel circuit disposed on the substrate;
a light collecting structure on at least a part of the insulating layer; and
a reflective layer disposed at a side surface of the light collecting structure,
wherein the side surface of the light collecting structure has a reverse tapered shape, and
wherein the pixel circuit is electrically connected to the light emitting diode through a first hole formed in the insulating layer.