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:
Jan. 04, 2011
Filed:
Aug. 26, 2008
Hiroshi Toyama, Tokyo, JP;
Yukio Nakamura, Tokyo, JP;
Hiroshi Toyama, Tokyo, JP;
Yukio Nakamura, Tokyo, JP;
Oki Data Corporation, Tokyo, JP;
Abstract
An LED backlight device includes a first substrate having optical transparency and having first and second surfaces. An LED thin-film layered structure is fixed to the first surface of the first substrate, and is formed of epitaxially grown inorganic material layers as a P-N junction device. An anode electrode of the LED thin-film layered structure is connected to an anode driver IC via an anode wiring. A cathode electrode of the LED thin-film layered structure is connected to a cathode driver IC via a cathode wiring. A phosphor is provided on the second surface of the first substrate. The LED backlight device further includes a second substrate having optical transparency and having first and second surfaces. The first surface of the second substrate faces the first surface of the first substrate. A reflection layer is provided on the second surface of the second substrate.