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TW200716915A - Planar illuminating device - Google Patents

Planar illuminating device

Info

Publication number
TW200716915A
TW200716915A TW095124596A TW95124596A TW200716915A TW 200716915 A TW200716915 A TW 200716915A TW 095124596 A TW095124596 A TW 095124596A TW 95124596 A TW95124596 A TW 95124596A TW 200716915 A TW200716915 A TW 200716915A
Authority
TW
Taiwan
Prior art keywords
color
light
illuminating device
planar illuminating
leds
Prior art date
Application number
TW095124596A
Other languages
Chinese (zh)
Inventor
Hitoshi Yoshida
Masayuki Shimizu
Original Assignee
Moritex Corp
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 Moritex Corp filed Critical Moritex Corp
Publication of TW200716915A publication Critical patent/TW200716915A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
    • 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
    • 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
    • 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0051—Diffusing 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
    • G02B6/0066—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
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources
    • F21Y2113/10—Combination of light sources of different colours
    • F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

This invention provides a planar illuminating device wherein transparent light-guiding plates (6R.6G.6B) with plane side serving as an emitting surface (5) are laminated to form a transparent light-guiding body (B) with front surface working as an emitting surface (2), each color LEDs (4R.4G.4B) are respectively fitted, at a predetermined pitch, to the side surfaces of said light-guiding plates (6R.6G. 6B), and an illumination light with arbitrary color can be emit by lighting/ putting on /modulating the LEDs (4R.4G.4B) by color. Thus, a high brightness without unevenness for even a single color is obtainable, and an illuminating light with uniform color, even if a mixed color may be emitted.
TW095124596A 2005-07-29 2006-07-06 Planar illuminating device TW200716915A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005219815A JP4721803B2 (en) 2005-07-29 2005-07-29 Surface lighting device

Publications (1)

Publication Number Publication Date
TW200716915A true TW200716915A (en) 2007-05-01

Family

ID=37721467

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095124596A TW200716915A (en) 2005-07-29 2006-07-06 Planar illuminating device

Country Status (4)

Country Link
JP (1) JP4721803B2 (en)
KR (1) KR20070014974A (en)
CN (1) CN1912457A (en)
TW (1) TW200716915A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200445445Y1 (en) * 2007-06-22 2009-07-30 팀윈 옵토 일렉트로닉스 컴퍼니 리미티드 Multifunctional LED Lighting
US7845826B2 (en) * 2008-01-15 2010-12-07 Skc Haas Display Films Co., Ltd. Multilayered integrated backlight illumination assembly
JP2010190786A (en) * 2009-02-19 2010-09-02 Takeda Chem Ind Ltd Method and apparatus for print inspection of solid preparation
CN101986020B (en) * 2009-07-29 2012-04-18 苏州向隆塑胶有限公司 Method for eliminating color difference of overlapped backlight modules
JP4630945B1 (en) * 2010-02-19 2011-02-09 株式会社ヒューテック Defect inspection equipment
CN101986014B (en) * 2010-11-04 2012-06-20 友达光电股份有限公司 side light module
CN103090202B (en) * 2011-10-27 2015-01-14 东莞市奥普特自动化科技有限公司 Shadowless lighting device
KR101411460B1 (en) * 2012-04-03 2014-06-27 주식회사 노블바이오 Transilluminator using led
CN202837583U (en) * 2012-05-04 2013-03-27 深圳安嵘光电产品有限公司 Combined type light guide plate and illuminating lamp
US8896827B2 (en) * 2012-06-26 2014-11-25 Kla-Tencor Corporation Diode laser based broad band light sources for wafer inspection tools
CN103322763A (en) * 2013-06-03 2013-09-25 青岛海尔特种电冰箱有限公司 Refrigerator lighting device and refrigerator
CN107816665B (en) * 2017-11-02 2020-01-07 深圳市众铭安科技有限公司 A high color gamut blue-green LED backlight module and its manufacturing method
JP6859962B2 (en) 2018-01-10 2021-04-14 オムロン株式会社 Image inspection equipment and lighting equipment
CN214425903U (en) * 2021-02-01 2021-10-19 漳州立达信光电子科技有限公司 a panel light
KR102764956B1 (en) * 2024-02-15 2025-02-18 주식회사 알트시스템 Photometric LED Light Guide Plate, photometric system including the LGP, and defect detection method using it

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11125818A (en) * 1997-10-23 1999-05-11 Hitachi Ltd Liquid crystal display
JPH11353920A (en) * 1998-06-05 1999-12-24 Citizen Electronics Co Ltd Multicolor light emitting surface light source unit
JP2003187623A (en) * 2001-12-18 2003-07-04 Sharp Corp Illumination device and display device using the same
JP2004127745A (en) * 2002-10-03 2004-04-22 Sanyo Electric Co Ltd Surface light source device
JP4122964B2 (en) * 2002-12-20 2008-07-23 豊田合成株式会社 License plate lighting device
JP4192697B2 (en) * 2003-06-24 2008-12-10 凸版印刷株式会社 Light guide, lighting device, and color image display
JP2005135760A (en) * 2003-10-30 2005-05-26 Seiko Instruments Inc Surface light source device, and display device using the same

Also Published As

Publication number Publication date
CN1912457A (en) 2007-02-14
JP4721803B2 (en) 2011-07-13
JP2007033347A (en) 2007-02-08
KR20070014974A (en) 2007-02-01

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