The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 07, 2025
Filed:
Apr. 20, 2020
Applicant:
Kateeva, Inc., Newark, CA (US);
Inventors:
Florian Pschenitzka, San Francisco, CA (US);
Michael Morse, San Jose, CA (US);
Teresa Ramos, San Jose, CA (US);
Assignee:
Kateeva, Inc., Newark, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 59/38 (2023.01); H10K 50/115 (2023.01); H10K 50/858 (2023.01); H10K 71/00 (2023.01);
U.S. Cl.
CPC ...
H10K 50/115 (2023.02); H10K 50/858 (2023.02); H10K 59/38 (2023.02); H10K 71/00 (2023.02);
Abstract
A display device that uses one or more light coupling layers is described herein, along with methods of making such devices. One device includes an array of blue light emitting elements formed on a substrate, a light coupling material formed over the array of blue light emitting elements, and a quantum dot light converting material disposed in a portion of a pixel structure formed over the array of blue light emitting elements. The light coupling material has a high refractive index and may be, or include, a polymer material.