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GB201108722D0 - Lighting apparatus - Google Patents

Lighting apparatus

Info

Publication number
GB201108722D0
GB201108722D0 GBGB1108722.8A GB201108722A GB201108722D0 GB 201108722 D0 GB201108722 D0 GB 201108722D0 GB 201108722 A GB201108722 A GB 201108722A GB 201108722 D0 GB201108722 D0 GB 201108722D0
Authority
GB
United Kingdom
Prior art keywords
lighting apparatus
lighting
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GBGB1108722.8A
Other versions
GB2480758A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Design LED Products Ltd
Original Assignee
Design LED Products Ltd
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 Design LED Products Ltd filed Critical Design LED Products Ltd
Publication of GB201108722D0 publication Critical patent/GB201108722D0/en
Publication of GB2480758A publication Critical patent/GB2480758A/en
Withdrawn legal-status Critical Current

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
    • G02B6/0033—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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0063—Means for improving the coupling-out of light from the light guide for extracting light out both the major surfaces of the light guide
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • 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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
    • 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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Planar Illumination Modules (AREA)
GB1108722A 2010-05-24 2011-05-24 Light guide with first and second light output surfaces Withdrawn GB2480758A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1008601.5A GB201008601D0 (en) 2010-05-24 2010-05-24 Lighting apparatus

Publications (2)

Publication Number Publication Date
GB201108722D0 true GB201108722D0 (en) 2011-07-06
GB2480758A GB2480758A (en) 2011-11-30

Family

ID=42341196

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB1008601.5A Ceased GB201008601D0 (en) 2010-05-24 2010-05-24 Lighting apparatus
GB1108722A Withdrawn GB2480758A (en) 2010-05-24 2011-05-24 Light guide with first and second light output surfaces

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB1008601.5A Ceased GB201008601D0 (en) 2010-05-24 2010-05-24 Lighting apparatus

Country Status (2)

Country Link
GB (2) GB201008601D0 (en)
WO (1) WO2011148173A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2884824C (en) 2012-09-24 2023-12-12 Invuity, Inc. Methods and apparatus for controlling optical properties of light
EP3446330A4 (en) 2016-04-22 2019-12-18 Glo Ab SMALL STEP DIRECT DISPLAY SCREEN AND MANUFACTURING METHOD THEREOF
DE202018103783U1 (en) 2018-07-02 2018-07-09 Tecnolight Leuchten Gmbh lamp
WO2022056264A1 (en) 2020-09-11 2022-03-17 Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd. Vehicle interior component

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3033980B2 (en) * 1989-05-31 2000-04-17 松下電工株式会社 Indoor lighting fixtures
JPH1185073A (en) * 1997-09-02 1999-03-30 Sasahara Hideki Display device
JP2004302028A (en) * 2003-03-31 2004-10-28 Mitsubishi Electric Corp Display device and guide light device
US20080232135A1 (en) * 2006-05-31 2008-09-25 3M Innovative Properties Company Light guide
US20080192458A1 (en) * 2007-02-12 2008-08-14 Intematix Corporation Light emitting diode lighting system
TWI428645B (en) * 2008-06-30 2014-03-01 Cpt Technology Group Co Ltd Color light guide panel and liquid crystal display device

Also Published As

Publication number Publication date
WO2011148173A2 (en) 2011-12-01
WO2011148173A3 (en) 2012-02-23
GB201008601D0 (en) 2010-07-07
GB2480758A (en) 2011-11-30

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)