US 11,917,885 B2
Electronic display device including quantum dot filter layer for improved color purity, method for manufacturing same, and display device including the same
Min Jong Bae, Yongin-si (KR); Deukseok Chung, Yongin-si (KR); Tae Gon Kim, Hwaseong-si (KR); Shang Hyeun Park, Yongin-si (KR); and Shin Ae Jun, Seongnam-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on May 10, 2021, as Appl. No. 17/316,712.
Claims priority of application No. 10-2020-0056121 (KR), filed on May 11, 2020.
Prior Publication US 2021/0351239 A1, Nov. 11, 2021
Int. Cl. H10K 59/38 (2023.01); H10K 50/87 (2023.01); H10K 50/856 (2023.01); H10K 50/858 (2023.01); H10K 59/12 (2023.01); H10K 71/00 (2023.01); H10K 102/00 (2023.01)
CPC H10K 59/38 (2023.02) [H10K 50/856 (2023.02); H10K 50/858 (2023.02); H10K 50/87 (2023.02); H10K 59/12 (2023.02); H10K 71/00 (2023.02); H10K 2102/331 (2023.02)] 13 Claims
OG exemplary drawing
 
1. An electronic device, comprising
a first substrate,
a plurality of light emitting elements each having a horizontal length and a vertical length which arc less than or equal to about 10 micrometers, each of the plurality of light emitting elements being disposed on the first substrate,
a quantum dot color filter layer disposed on the plurality of light emitting elements, the quantum dot color filter layer comprising:
a plurality of quantum dot color filters partitioned by a plurality of first partition walls so as to be overlapped with the plurality of light emitting elements, respectively; and
a first overcoat layer between the plurality of light emitting elements and the quantum dot color filter layer; and
a light guide layer between the plurality of light emitting elements and the first overcoat layer, and
the light guide layer comprises a plurality of second partition walls overlapped with the plurality of first partition walls.