Light with bi-directional propagation

United States of America Patent

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Nov 1, 2011
Grant Date
Oct 15, 2009
app pub date
Apr 14, 2009
filing date
Apr 15, 2008

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Expired

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Abstract

Devices for providing illumination to a display and method for manufacturing the same. In one embodiment, a display device includes a reflective display and turning features for turning light propagating from opposite directions in a light guide to the reflective display.

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SNAPTRACK, INC.

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Inventor Name	Address	# of filed Patents	Total Citations
Gruhlke, Russell Wayne	Milpitas, US	71	1496
Mienko, Marek	San Jose, US	61	1537

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Light with bi-directional propagation

Number of patents in Portfolio can not be more than 2000

United States of America Patent

12423354

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PATENT NO	8049951
APP PUB NO	20090257108A1
SERIAL NO	12423354
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 01, 2011	US,8049951,B2 US8049951B2	GRANTED PATENT AS SECOND PUBLICATION
October 15, 2009	US,20090257108,A1 US20090257108A1	FIRST PUBLISHED PATENT APPLICATION

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12423354

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