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:
Jun. 25, 2024
Filed:
May. 01, 2023
Japan Display Inc., Tokyo, JP;
Takashi Ota, Tokyo, JP;
Michihide Shibata, Tokyo, JP;
JAPAN DISPLAY INC., Tokyo, JP;
Abstract
The purpose of the present invention is to realize a display device of high definition and high contrast by applying an accurate local dimming. The structure of the invention is as follows. A display device including: a display panel and a back light, in which the back light includes a light source and an optical sheet group, the light source includes a light source substrate and LEDs disposed on the light source substrate, the light source is divided into segments in a plan view, at least one of the LEDs is disposed in a segment, the light source substrate and the LEDs are covered by a transparent resin, and a groove like gap is formed in the transparent resin along a border between the segments.