Light guide device

United States of America Patent

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Apr 30, 2013
Grant Date
Jul 28, 2011
app pub date
Sep 29, 2009
filing date
Sep 29, 2008

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Expired

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Abstract

Light guide devices comprising an intermediate layer of low refractive index between higher refractive index elements are described. The light guide devices are suitable for use in backlights.

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Patent Owner	Address
ITI SCOTLAND LIMITED	ATRIUM COURT 50 WATERLOO STREET GLASGOW G2 6HQ

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Inventor Name	Address	# of filed Patents	Total Citations
Tomlinson, Andrew Michael	Northumberland, GB	3	96

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Light guide device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

13120019

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PATENT NO	8432527
APP PUB NO	20110182084A1
SERIAL NO	13120019
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
April 30, 2013	US,8432527,B2 US8432527B2	GRANTED PATENT AS SECOND PUBLICATION
July 28, 2011	US,20110182084,A1 US20110182084A1	FIRST PUBLISHED PATENT APPLICATION

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