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:
Jul. 29, 2025
Filed:
Apr. 23, 2024
Apple Inc., Cupertino, CA (US);
Daming Xu, Santa Clara, CA (US);
Yufeng Yan, Santa Clara, CA (US);
Qingbing Wang, Campbell, CA (US);
Chenhua You, San Jose, CA (US);
Rong Liu, Cupertino, CA (US);
Jun Qi, San Jose, CA (US);
Zhenyue Luo, Campbell, CA (US);
Mookyung Son, Cupertino, CA (US);
Victor H. Yin, Cupertino, CA (US);
Abstract
A display may have a pixel array such as a liquid crystal pixel array. The pixel array may be illuminated with backlight illumination from a direct-lit backlight unit. The backlight unit may include an array of light-emitting diodes on a printed circuit board. The backlight unit may include first, second, and third light spreading layers formed over the array of light-emitting diodes. A color conversion layer may be formed over the first, second, and third light spreading layers. First and second brightness enhancement films may be formed over the color conversion layer.