Color mixing lens with light receiving portion, color mixing portion, and light emission portion, and liquid crystal display device having the same

US8937692B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8937692-B2
Application numberUS-90878210-A
CountryUS
Kind codeB2
Filing dateOct 20, 2010
Priority dateOct 22, 2009
Publication dateJan 20, 2015
Grant dateJan 20, 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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Abstract

Official abstract text for this publication.

The present invention provides a color mixing lens which can improve color reproducibility, be made slim and adjust an emission pattern; and a liquid crystal display device having the same. The color mixing lens includes a light receiving portion having at least two light emission diodes positioned at a side for emitting color lights different from each other and light receiving recesses for placing the light emission diodes therein respectively, a color mixing portion formed on the light receiving portion for mixing the lights from the light emission diodes into a white color light, and a light emission portion formed on the color mixing portion for emitting the white light from the color mixing portion through a side thereof.

First claim

Opening claim text (preview).

What is claimed is: 1. A color mixing lens comprising: a light receiving portion having at least two light emission diodes for emitting lights of colors different from each other and light receiving recesses for placing the light emission diodes therein respectively, wherein the light receiving portion is a circular column of a cylindrical shape and having a curved lateral surface, and the light receiving recesses with the light emission diodes placed therein are positioned at the…

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What does patent US8937692B2 cover?
The present invention provides a color mixing lens which can improve color reproducibility, be made slim and adjust an emission pattern; and a liquid crystal display device having the same. The color mixing lens includes a light receiving portion having at least two light emission diodes positioned at a side for emitting color lights different from each other and light receiving recesses for pl…
Who is the assignee on this patent?
Han Hae-Wook, Lim Mee-Hyun, Hwang Sung-Kyung, and 7 more
What technology area does this patent fall under?
Primary CPC classification G02B19/0066. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Jan 20 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).