US 12,193,249 B2
Multi-layer display structure
Florian Pschenitzka, San Francisco, CA (US); Michael Morse, San Jose, CA (US); and Teresa Ramos, San Jose, CA (US)
Assigned to Kateeva, Inc., Newark, CA (US)
Appl. No. 17/594,101
Filed by Kateeva, Inc., Newark, CA (US)
PCT Filed Apr. 20, 2020, PCT No. PCT/US2020/028906
§ 371(c)(1), (2) Date Oct. 1, 2021,
PCT Pub. No. WO2020/242636, PCT Pub. Date Dec. 3, 2020.
Claims priority of provisional application 62/855,022, filed on May 31, 2019.
Prior Publication US 2022/0216443 A1, Jul. 7, 2022
Int. Cl. H10K 59/38 (2023.01); H10K 50/115 (2023.01); H10K 50/858 (2023.01); H10K 71/00 (2023.01)
CPC H10K 50/115 (2023.02) [H10K 50/858 (2023.02); H10K 59/38 (2023.02); H10K 71/00 (2023.02)] 16 Claims
OG exemplary drawing
 
1. A display comprising:
an array of blue light emitting elements formed in a pixel structure having subpixels;
a plurality of quantum dot light converting materials disposed on a portion of the subpixels; and
a light coupling material having a refractive index of at least 1.6 formed on top of the quantum dot light converting materials.