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:
Feb. 03, 2026

Filed:

Apr. 28, 2025
Applicant:

Japan Display Inc., Tokyo, JP;

Inventors:

Daijiro Takano, Tokyo, JP;

Takeo Koito, Tokyo, JP;

Koichi Nagao, Tokyo, JP;

Takayuki Imai, Tokyo, JP;

Naoyuki Asano, Tokyo, JP;

Daisuke Hamano, Tokyo, JP;

Assignee:

Japan Display Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 14/00 (2018.01); G02F 1/29 (2006.01);
U.S. Cl.
CPC ...
F21V 14/003 (2013.01); G02F 1/294 (2021.01);
Abstract

According to an aspect, an illumination device includes: two control substrates; two relay substrates electrically coupled to the two respective control substrates through respective wire harnesses; and four liquid crystal panels electrically coupled to the two relay substrates through flexible printed circuit boards. Four of the flexible printed circuit boards are provided. Two of the four liquid crystal panels are electrically coupled to one of the two relay substrates through the corresponding flexible printed circuit boards. The other two of the four liquid crystal panels are electrically coupled to the other of the two relay substrates through the corresponding flexible printed circuit boards. The four liquid crystal panels are provided in a state of being stacked in a first direction.


Find Patent Forward Citations

Takano, Daijiro. (2026). Illumination device (U.S. Patent No. 12540718). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12540718

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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