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:
Nov. 07, 2017
Filed:
Nov. 17, 2015
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Chenhua You, San Jose, CA (US);
Jun Qi, Cupertino, CA (US);
Fan-Chung Hsu, Los Altos, CA (US);
Victor H. Yin, Cupertino, CA (US);
Assignee:
Apple Inc., Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133603 (2013.01); G02F 1/133609 (2013.01); G02F 1/133615 (2013.01); G02F 2001/133614 (2013.01); G02F 2202/108 (2013.01);
Abstract
A display device is provided. The display device includes a light source emitting a blue light and a light emitting layer including a first group of red quantum dots and a second group of green quantum dots. The light emitting layer is configured to absorb a first portion of the blue light from the light source to emit red light and green light and to transmit a second portion of the blue light. The display device also includes dichroic filter layers to improve light recycling and backlight efficiency.