JP5736218B2 - 光源装置 - Google Patents

光源装置 Download PDF

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Publication number
JP5736218B2
JP5736218B2 JP2011081409A JP2011081409A JP5736218B2 JP 5736218 B2 JP5736218 B2 JP 5736218B2 JP 2011081409 A JP2011081409 A JP 2011081409A JP 2011081409 A JP2011081409 A JP 2011081409A JP 5736218 B2 JP5736218 B2 JP 5736218B2
Authority
JP
Japan
Prior art keywords
light
light source
guide plate
light emitting
light guide
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.)
Expired - Fee Related
Application number
JP2011081409A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011222506A5 (https=
JP2011222506A (ja
Inventor
キム，ユンハ
イ，サンフン
シン，ヒョンハ
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.)
LG Innotek Co Ltd
Original Assignee
LG Innotek Co 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
Priority claimed from KR1020100033039A external-priority patent/KR101652818B1/ko
Priority claimed from KR1020100033040A external-priority patent/KR101720305B1/ko
Application filed by LG Innotek Co Ltd filed Critical LG Innotek Co Ltd
Publication of JP2011222506A publication Critical patent/JP2011222506A/ja
Publication of JP2011222506A5 publication Critical patent/JP2011222506A5/ja
Application granted granted Critical
Publication of JP5736218B2 publication Critical patent/JP5736218B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G02B6/0023—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
    • 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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
    • 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
    • G02B6/0066—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
    • G02B6/0073—Light emitting diode [LED]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Led Device Packages (AREA)
  • Optical Elements Other Than Lenses (AREA)
JP2011081409A 2010-04-10 2011-04-01 光源装置 Expired - Fee Related JP5736218B2 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2010-0033040 2010-04-10
KR10-2010-0033039 2010-04-10
KR1020100033039A KR101652818B1 (ko) 2010-04-10 2010-04-10 광원 장치
KR1020100033040A KR101720305B1 (ko) 2010-04-10 2010-04-10 광원 장치

Publications (3)

Publication Number Publication Date
JP2011222506A JP2011222506A (ja) 2011-11-04
JP2011222506A5 JP2011222506A5 (https=) 2014-05-15
JP5736218B2 true JP5736218B2 (ja) 2015-06-17

Family

ID=44168117

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011081409A Expired - Fee Related JP5736218B2 (ja) 2010-04-10 2011-04-01 光源装置

Country Status (4)

Country Link
US (1) US9541695B2 (https=)
EP (2) EP2708925B1 (https=)
JP (1) JP5736218B2 (https=)
CN (1) CN102252274B (https=)

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DE202020100855U1 (de) * 2020-02-18 2021-05-25 Zumtobel Lighting Gmbh Flächenleuchte mit direkter und indirekter Lichtabgabe
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Also Published As

Publication number Publication date
US20110205727A1 (en) 2011-08-25
CN102252274B (zh) 2014-09-24
EP2708925A1 (en) 2014-03-19
EP2378322A1 (en) 2011-10-19
EP2378322B1 (en) 2014-01-08
JP2011222506A (ja) 2011-11-04
CN102252274A (zh) 2011-11-23
EP2708925B1 (en) 2022-03-30
US9541695B2 (en) 2017-01-10

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