WO2005057261A3 - Light emissive display based on lightwave coupling - Google Patents

Light emissive display based on lightwave coupling Download PDF

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Publication number
WO2005057261A3
WO2005057261A3 PCT/US2004/040819 US2004040819W WO2005057261A3 WO 2005057261 A3 WO2005057261 A3 WO 2005057261A3 US 2004040819 W US2004040819 W US 2004040819W WO 2005057261 A3 WO2005057261 A3 WO 2005057261A3
Authority
WO
WIPO (PCT)
Prior art keywords
light
display
emissive display
light emissive
waveguide
Prior art date
Application number
PCT/US2004/040819
Other languages
French (fr)
Other versions
WO2005057261A2 (en
Inventor
Andrew J Steckl
Jason C Heikenfeld
Original Assignee
Univ Cincinnati
Andrew J Steckl
Jason C Heikenfeld
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ Cincinnati, Andrew J Steckl, Jason C Heikenfeld filed Critical Univ Cincinnati
Priority to EP04817975A priority Critical patent/EP1700147B1/en
Priority to AT04817975T priority patent/ATE446568T1/en
Priority to DE602004023759T priority patent/DE602004023759D1/en
Publication of WO2005057261A2 publication Critical patent/WO2005057261A2/en
Publication of WO2005057261A3 publication Critical patent/WO2005057261A3/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S385/00—Optical waveguides
    • Y10S385/90—Solar collector or transmitter

Abstract

A light emissive display having a specular waveguide (12, 12a-c, 80, 184) that propagates short wavelength light from a light source (34, 185) and devices (10, 10a-g, 110, 120, 140, 154, 170, 180) with photoluminescent features (24, 136, 141, 142, 166, 182) adjacent to the waveguide (12, 12a-c, 80, 184) that fluoresce, for example, in visible red, green, blue, and mixed colors when selectively coupled with the short wavelength light. The devices (10, 10a-g, 110, 120, 140, 154, 170, 180) emit light primarily and, therefore, efficiently in the direction of an observer only. This light emissive display may be utilized as a planar light source, as patterned information signage, or as a re-configurable information display containing intensity modulated pixels. The light emissive display may be enhanced optically such that only a small portion of ambient light is reflected from the display while preserving the majority of emitted display luminance.
PCT/US2004/040819 2003-12-08 2004-12-07 Light emissive display based on lightwave coupling WO2005057261A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP04817975A EP1700147B1 (en) 2003-12-08 2004-12-07 Light emissive display based on lightwave coupling
AT04817975T ATE446568T1 (en) 2003-12-08 2004-12-07 LIGHT EMISSION DISPLAY BASED ON LIGHT WAVE COUPLING
DE602004023759T DE602004023759D1 (en) 2003-12-08 2004-12-07 LIGHT EMISSION DISPLAY BASED ON LIGHT SHAFT COUPLING

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/730,332 US7123796B2 (en) 2003-12-08 2003-12-08 Light emissive display based on lightwave coupling
US10/730,332 2003-12-08

Publications (2)

Publication Number Publication Date
WO2005057261A2 WO2005057261A2 (en) 2005-06-23
WO2005057261A3 true WO2005057261A3 (en) 2005-10-06

Family

ID=34634134

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/040819 WO2005057261A2 (en) 2003-12-08 2004-12-07 Light emissive display based on lightwave coupling

Country Status (5)

Country Link
US (1) US7123796B2 (en)
EP (1) EP1700147B1 (en)
AT (1) ATE446568T1 (en)
DE (1) DE602004023759D1 (en)
WO (1) WO2005057261A2 (en)

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Also Published As

Publication number Publication date
US20050123243A1 (en) 2005-06-09
EP1700147A2 (en) 2006-09-13
DE602004023759D1 (en) 2009-12-03
WO2005057261A2 (en) 2005-06-23
US7123796B2 (en) 2006-10-17
EP1700147B1 (en) 2009-10-21
ATE446568T1 (en) 2009-11-15

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