WO2009019627A3 - Dispositif d'éclairage à lumière de surface à diodes électroluminescentes à émission latérale - Google Patents

Dispositif d'éclairage à lumière de surface à diodes électroluminescentes à émission latérale Download PDF

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Publication number
WO2009019627A3
WO2009019627A3 PCT/IB2008/053036 IB2008053036W WO2009019627A3 WO 2009019627 A3 WO2009019627 A3 WO 2009019627A3 IB 2008053036 W IB2008053036 W IB 2008053036W WO 2009019627 A3 WO2009019627 A3 WO 2009019627A3
Authority
WO
WIPO (PCT)
Prior art keywords
side emitting
light
illumination device
power side
emitting leds
Prior art date
Application number
PCT/IB2008/053036
Other languages
English (en)
Other versions
WO2009019627A2 (fr
Inventor
Lingli Wang
Original Assignee
Koninkl Philips Electronics Nv
Lingli Wang
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 Koninkl Philips Electronics Nv, Lingli Wang filed Critical Koninkl Philips Electronics Nv
Publication of WO2009019627A2 publication Critical patent/WO2009019627A2/fr
Publication of WO2009019627A3 publication Critical patent/WO2009019627A3/fr

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/003—Lens or lenticular sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

L'invention concerne un système d'éclairage comprenant au moins un dispositif d'émission de lumière comprenant un guide d'onde, le guide d'onde comprenant une première surface, une seconde surface opposée à ladite première surface, et au moins une structure de paroi latérale de couplage de lumière entre lesdites première et seconde surfaces. Le système comprend aussi au moins une source de lumière à émission latérale, placée entre des plans définis par les première et seconde surfaces, de sorte que la lumière émise par l'au moins une source de lumière à émission latérale est couplée dans ledit guide d'onde et couplée vers l'extérieur à partir de la seconde surface, et un assemblage de plaques, l'au moins un dispositif émettant de la lumière étant placé dans l'assemblage de plaques.
PCT/IB2008/053036 2007-08-03 2008-07-29 Dispositif d'éclairage à lumière de surface à diodes électroluminescentes à émission latérale WO2009019627A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07113748 2007-08-03
EP07113748.3 2007-08-03

Publications (2)

Publication Number Publication Date
WO2009019627A2 WO2009019627A2 (fr) 2009-02-12
WO2009019627A3 true WO2009019627A3 (fr) 2009-04-02

Family

ID=40220149

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2008/053036 WO2009019627A2 (fr) 2007-08-03 2008-07-29 Dispositif d'éclairage à lumière de surface à diodes électroluminescentes à émission latérale

Country Status (2)

Country Link
TW (1) TW200923270A (fr)
WO (1) WO2009019627A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8864346B2 (en) * 2012-12-10 2014-10-21 GE Lighting Solutions, LLC Lens-reflector combination for batwing light distribution

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060002146A1 (en) * 2004-07-01 2006-01-05 Nec Lcd Technologies, Ltd. Backlight unit and liquid crystal display device using the same
US20070058393A1 (en) * 2005-09-09 2007-03-15 Samsung Electronics Co., Ltd. Backlight unit and display device having the same
WO2007064002A1 (fr) * 2005-11-30 2007-06-07 Showa Denko K.K. Element guide de lumiere, dispositif source de lumiere plan dote de cet element guide de lumiere et appareil d’affichage utilisant ce dispositif source de lumiere plan
WO2007075549A1 (fr) * 2005-12-21 2007-07-05 3M Innovative Properties Company Élément de confinement de lumière de diode led
US20070159849A1 (en) * 2006-01-06 2007-07-12 Asagicreate Co., Ltd. Surface light source and electrically illuminated signboard

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060002146A1 (en) * 2004-07-01 2006-01-05 Nec Lcd Technologies, Ltd. Backlight unit and liquid crystal display device using the same
US20070058393A1 (en) * 2005-09-09 2007-03-15 Samsung Electronics Co., Ltd. Backlight unit and display device having the same
WO2007064002A1 (fr) * 2005-11-30 2007-06-07 Showa Denko K.K. Element guide de lumiere, dispositif source de lumiere plan dote de cet element guide de lumiere et appareil d’affichage utilisant ce dispositif source de lumiere plan
WO2007075549A1 (fr) * 2005-12-21 2007-07-05 3M Innovative Properties Company Élément de confinement de lumière de diode led
US20070159849A1 (en) * 2006-01-06 2007-07-12 Asagicreate Co., Ltd. Surface light source and electrically illuminated signboard

Also Published As

Publication number Publication date
WO2009019627A2 (fr) 2009-02-12
TW200923270A (en) 2009-06-01

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