LED light source box and projector including the same

US8985779B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8985779-B2
Application numberUS-201013576919-A
CountryUS
Kind codeB2
Filing dateFeb 23, 2010
Priority dateFeb 23, 2010
Publication dateMar 24, 2015
Grant dateMar 24, 2015

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  1. Title

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  2. Abstract

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  4. Key dates

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  5. First independent claim

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

Provided is a LED light source box that includes: case ( 10 ) having body ( 11 ) and cover ( 13 ) to hermetically seal opening ( 12 ) of body ( 11 ); light source unit ( 15 ) having LED tight source ( 51 ) and holder ( 50 ) on which LED light source ( 51 ) is mounted; and cooling unit ( 61 ) having first cooling member ( 60 ) in contact with holder ( 50 ) and second cooling member ( 61 ) in contact with first cooling member ( 60 ). Holder ( 50 ) is fixed to cover ( 13 ) by fixing member ( 55 ) in a state where cooling unit ( 16 ) is sandwiched between holder ( 50 ) and cover ( 13 ). Heat insulation member ( 70 ) is disposed between holder ( 50 ) and fixing member ( 55 ), and air gap ( 91 ) is disposed between the outer peripheral surface of holder ( 50 ) and the inner peripheral surface of body ( 11 ).

First claim

Opening claim text (preview).

The invention claimed is: 1. A LED light source box comprising: a case including a body and a cover to hermetically seal an opening of the body; a light source unit including a LED light source and a holder on which the LED light source is mounted; a cooling unit including a first cooling member in contact with the holder of the light source unit, and a second cooling member in contact with the first cooling member, wherein the holder is fixed to the cover by a fixing member i…

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What does patent US8985779B2 cover?
Provided is a LED light source box that includes: case ( 10 ) having body ( 11 ) and cover ( 13 ) to hermetically seal opening ( 12 ) of body ( 11 ); light source unit ( 15 ) having LED tight source ( 51 ) and holder ( 50 ) on which LED light source ( 51 ) is mounted; and cooling unit ( 61 ) having first cooling member ( 60 ) in contact with holder ( 50 ) and second cooling member ( 61 ) in con…
Who is the assignee on this patent?
Masuda Naoki, Nec Display Solutions Ltd
What technology area does this patent fall under?
Primary CPC classification F21V29/004. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Mar 24 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).