WO2008129909A1 - 照明装置 - Google Patents

照明装置 Download PDF

Info

Publication number
WO2008129909A1
WO2008129909A1 PCT/JP2008/054587 JP2008054587W WO2008129909A1 WO 2008129909 A1 WO2008129909 A1 WO 2008129909A1 JP 2008054587 W JP2008054587 W JP 2008054587W WO 2008129909 A1 WO2008129909 A1 WO 2008129909A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
reflection
sending
reflecting
lighting apparatus
Prior art date
Application number
PCT/JP2008/054587
Other languages
English (en)
French (fr)
Inventor
Masato Obata
Yoshiyuki Wokamoto
Original Assignee
Nippon Seiki 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
Application filed by Nippon Seiki Co., Ltd. filed Critical Nippon Seiki Co., Ltd.
Publication of WO2008129909A1 publication Critical patent/WO2008129909A1/ja

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/28—Structurally-combined illuminating devices
    • 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
    • G02B6/0018—Redirecting means on the surface of the light guide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/33—Illumination features

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Details Of Measuring Devices (AREA)
  • Instrument Panels (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

　容積や重量の増大を抑えながら効率よく照明することが可能な照明装置を提供する。 　光源５からの光Ｌを導入する受光部４ａと、この受光部４ａから導入した光Ｌを射出する出光部４ｂと、受光部４ａで導入した光Ｌを出光部４ｂへと反射する反射部４ｃ１、４ｃ２とを有する導光体４を備え、受光部４ａを出光部４ｂの外に設け、反射部４ｃ１、４ｃ２を、導入された光Ｌを導光体４の外周に沿った方向に反射する第１の反射部４ｃ１と、この第１の反射部４ｃ１によって反射された光Ｌを出光部４ｂへ反射する第２の反射部４ｃ２とから構成したものである。
PCT/JP2008/054587 2007-04-12 2008-03-13 照明装置 WO2008129909A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007104417A JP5057138B2 (ja) 2007-04-12 2007-04-12 照明装置
JP2007-104417 2007-04-12

Publications (1)

Publication Number Publication Date
WO2008129909A1 true WO2008129909A1 (ja) 2008-10-30

Family

ID=39875438

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/054587 WO2008129909A1 (ja) 2007-04-12 2008-03-13 照明装置

Country Status (2)

Country Link
JP (1) JP5057138B2 (ja)
WO (1) WO2008129909A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5279011B2 (ja) * 2008-10-02 2013-09-04 Ｎｅｃカシオモバイルコミュニケーションズ株式会社 照明装置及び電子機器
JP6150607B2 (ja) * 2013-05-10 2017-06-21 林テレンプ株式会社 発光装置
JP6305090B2 (ja) * 2014-02-10 2018-04-04 キヤノン株式会社 照明装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS629122U (ja) * 1985-06-29 1987-01-20
JPH08221014A (ja) * 1995-02-14 1996-08-30 Kansei Corp 表示装置
JP2000039340A (ja) * 1998-07-22 2000-02-08 Denso Corp 指針計器
JP2002228494A (ja) * 2001-01-31 2002-08-14 Nippon Seiki Co Ltd 指針照明装置
JP2007033346A (ja) * 2005-07-29 2007-02-08 Nippon Seiki Co Ltd 照明装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5921071Y2 (ja) * 1979-04-16 1984-06-20 日産デイ−ゼル工業株式会社 自動車用照明付表示装置
JP2004170087A (ja) * 2002-11-15 2004-06-17 Denso Corp 車両用計器
JP2005345287A (ja) * 2004-06-03 2005-12-15 Denso Corp 指針計器
JP5137225B2 (ja) * 2005-07-29 2013-02-06 日本精機株式会社 面光源装置
JP4627287B2 (ja) * 2006-09-25 2011-02-09 スタンレー電気株式会社 Ｌｅｄ照明装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS629122U (ja) * 1985-06-29 1987-01-20
JPH08221014A (ja) * 1995-02-14 1996-08-30 Kansei Corp 表示装置
JP2000039340A (ja) * 1998-07-22 2000-02-08 Denso Corp 指針計器
JP2002228494A (ja) * 2001-01-31 2002-08-14 Nippon Seiki Co Ltd 指針照明装置
JP2007033346A (ja) * 2005-07-29 2007-02-08 Nippon Seiki Co Ltd 照明装置

Also Published As

Publication number Publication date
JP5057138B2 (ja) 2012-10-24
JP2008261717A (ja) 2008-10-30

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