US 12,412,872 B2
Display device and manufacturing method of display device with the plurality of light emitting nanorods
Il-Soo Kim, Goyang-si (KR); Taeil Jung, Paju-si (KR); and Seongkyong Park, Gimpo-si (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Jul. 15, 2021, as Appl. No. 17/377,108.
Claims priority of application No. 10-2020-0087747 (KR), filed on Jul. 15, 2020.
Prior Publication US 2022/0020906 A1, Jan. 20, 2022
Int. Cl. H01L 25/075 (2006.01); H10H 20/01 (2025.01); H10H 20/831 (2025.01); H10H 20/857 (2025.01); H10H 29/14 (2025.01); H10K 59/80 (2023.01)
CPC H01L 25/0753 (2013.01) [H10H 20/01 (2025.01); H10H 20/831 (2025.01); H10H 20/857 (2025.01); H10H 29/142 (2025.01); H10K 59/805 (2023.02); H10H 20/032 (2025.01); H10H 20/0364 (2025.01)] 20 Claims
OG exemplary drawing
 
1. A display device having a plurality of pixels each including a plurality of sub-pixels, the display device comprising:
a first substrate;
a plurality of first pads disposed on the first substrate in the plurality of sub-pixels;
a common pad disposed on the first substrate and shared by the plurality of sub-pixels;
a second substrate disposed to face the first substrate;
a plurality of first electrodes disposed under the second substrate and connected to the plurality of first pads;
a second electrode disposed under the second substrate and connected to the common pad; and
a plurality of light emitting nanorods having one ends and the other ends respectively and directly connected to the plurality of first electrodes and the second electrode,
wherein the plurality of first electrodes and/or the second electrode includes a plurality of protrusions directly connected to the plurality of light emitting nanorods, and
wherein uppermost surfaces of the plurality of first electrodes, the second electrode, and the plurality of light emitting nanorods are coplanar in a cross-section view of the display device.