Illumination device, display device, and television receiver device

US8979352B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8979352-B2
Application numberUS-201113997334-A
CountryUS
Kind codeB2
Filing dateDec 22, 2011
Priority dateJan 7, 2011
Publication dateMar 17, 2015
Grant dateMar 17, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A backlight device 24 according to the present invention includes: LED substrates 30 ; LED light sources 28 placed on the surfaces of the LED substrates 30 ; a light guide plate 20 having light-receiving surfaces 20 a on the side faces, the plate being placed such that the LED light sources 28 and the light-receiving surfaces 20 a face each other; a chassis 22 having a bottom plate and a plurality of side walls 22 b, 22 c, 22 d , and 22 d standing upright from the bottom plate, the chassis being open on a top side opposite to the bottom plate and storing at least the LED light sources 28 and the light guide plate 20 ; and spacer members 34 for regulating the gaps between the side walls and the light guide plate 20 , the spacer members being made of an elastic material. The LED substrates 30 are placed along the surfaces of the side walls, and the spacer members 34 are placed in the corners between the adjacent side walls 22 b, 22 c, 22 d , and 22 d.

First claim

Opening claim text (preview).

The invention claimed is: 1. An illumination device, comprising: light source substrates; light sources disposed on a surface of each of the light source substrates; a light guide plate having light-receiving surfaces on side faces thereof, the light guide plate being disposed such that the light sources and the light-receiving surfaces face each other; a storage member having a bottom plate and a plurality of side walls rising upwardly from the bottom plate, the storage mem…

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What does patent US8979352B2 cover?
A backlight device 24 according to the present invention includes: LED substrates 30 ; LED light sources 28 placed on the surfaces of the LED substrates 30 ; a light guide plate 20 having light-receiving surfaces 20 a on the side faces, the plate being placed such that the LED light sources 28 and the light-receiving surfaces 20 a face each other; a chassis 22 having a botto…
Who is the assignee on this patent?
Hosoki Mitsuru, Sharp Kk
What technology area does this patent fall under?
Primary CPC classification G02B6/0091. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Mar 17 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).