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.

Date of Patent:
Jan. 14, 2025

Filed:

Jun. 30, 2020
Applicant:

Harman International Industries, Incorporated, Stamford, CT (US);

Inventor:

Benjamin Edward Lewis, Livonia, MI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/13357 (2006.01); F21V 8/00 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133615 (2013.01); G02B 6/0023 (2013.01); G02F 1/133614 (2021.01); G02F 2202/36 (2013.01);
Abstract

A vehicle display system may include a light guide, a quantum dot film arranged adjacent with the light guide and configured to receive blue light from the light guide and convert the blue light to red and green light, at least one buffer film, and a blue color filter arranged between the quantum dot film and the at least one buffer film, the blue color filter configured to transmit blue light back to the quantum dot film to further convert the red and green light.


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