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. 15, 2025
Filed:
Aug. 02, 2024
Sharp Display Technology Corporation, Kameyama, JP;
Makoto Nakazawa, Kameyama, JP;
Keisuke Yoshida, Kameyama, JP;
Sharp Display Technology Corporation, Kameyama, JP;
Abstract
A color filter substrate includes first and second color filters exhibiting different colors and a light blocking portion. The light blocking portion includes a first transmissive film, a first reflective film on an upper layer side of the first transmissive film, a second transmissive film on an upper layer side of the first reflective film, and a second reflective film on an upper layer side of the second transmissive film and being thicker than the first reflective film. The first transmissive film includes a first bottom surface and a first side surface being inclined at a first angle with respect to the first bottom surface. The second reflective film includes a second bottom surface extending parallel to the first bottom surface and a second side surface being inclined at a second angle with respect to the second bottom surface. The first angle and the second angle are acute angles.