Illumination converter

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9459392
APP PUB NO 20150109822A1
SERIAL NO

14399611

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The disclosure generally relates to illumination converters that are capable of converting light from one geometrical format to another. In particular, the described illumination converters are capable of converting a circular source such as an LED to a linear source useful in an edgelit waveguide, which can be used in a backlight for a display. The converter consists of a waveguide plate (210) with two edges (220, 218) oriented towards each other at 45° such that a the waveguide plate consists of a rectangular part (204) attached to a triangular part (202). The triangular part is rolled into a coil around a central axis (250) and one side of the coil is used for coupling in of the light from a source.

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Patent Owner(s)

  • 3M INNOVATIVE PROPERTIES COMPANY

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ouderkirk, Andrew J St. Paul, US 416 16350

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