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Patent Searching and Data


Title:
TRANSPARENT LIGHT EMITTING MEMBERS AND METHOD OF MANUFACTURE
Document Type and Number:
WIPO Patent Application WO2004033959
Kind Code:
A3
Abstract:
Illuminators include transparent light emitting members (1) having a pattern of rounded shallow notches or grooves (3) in one or more surfaces of the members (1) for causing internally reflected light (5) to be emitted from the members (1). The notches or grooves (3) may be cut using a circular cutting tool. The relative speed of the cutting tool and feed rate of the cutting tool relative to the members (1) may be controlled to produce a roughened surface on the notches or grooves (3).

Inventors:
MEZEI GEORGE A (US)
LOCKWOOD RICK (US)
PAGE DAVID J (US)
LARSON DAVID B (US)
Application Number:
PCT/US2003/031206
Publication Date:
May 11, 2006
Filing Date:
October 02, 2003
Export Citation:
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Assignee:
LUMITEX INC (US)
MEZEI GEORGE A (US)
LOCKWOOD RICK (US)
PAGE DAVID J (US)
LARSON DAVID B (US)
International Classes:
F21V8/00; (IPC1-7): F21V7/04; F21V7/00
Foreign References:
US6565225B22003-05-20
US5786665A1998-07-28
Other References:
See also references of EP 1573245A4
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