JP5057138B2 - 照明装置 - Google Patents
照明装置 Download PDFInfo
- Publication number
- JP5057138B2 JP5057138B2 JP2007104417A JP2007104417A JP5057138B2 JP 5057138 B2 JP5057138 B2 JP 5057138B2 JP 2007104417 A JP2007104417 A JP 2007104417A JP 2007104417 A JP2007104417 A JP 2007104417A JP 5057138 B2 JP5057138 B2 JP 5057138B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- reflecting
- light receiving
- unit
- reflects
- 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
Links
- 238000005286 illumination Methods 0.000 description 7
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
Images
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)
Description
2 指針
3 文字板
4 導光体
4a 受光部
4b 出光部
4c1 第1の反射部
4c2 第2の反射部
5 光源
40 主要部
41 突出部
L 光
Claims (2)
- 回路基板に設けられる発光ダイオードからなる光源と、
この光源からの光を導入する受光部を設けて突出形成された突出部と、
前記受光部からの光を導入する平板状の主要部と、
この主要部の一面にて構成されて前記光を射出する出光部と、
前記受光部で導入した光を前記出光部へと反射する反射部と、を有する導光体を備えた照明装置であって、
前記反射部は、前記受光部からの光を前記出光部の外周に沿った方向に反射する第1の反射部と、この第1の反射部によって反射された光を前記出光部へ反射する第2の反射部と、を設けるとともに、
前記突出部は、前記主要部の板面に対して垂直方向に突出し、貫通孔を避けて2箇所で前記主要部につながっており、前記第1の反射部によって前記受光部からの光を少なくとも2方向に分ける2つの反射部を設けることを特徴とする照明装置。 - 前記出光部が馬蹄形状であることを特徴とする請求項1に記載の照明装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007104417A JP5057138B2 (ja) | 2007-04-12 | 2007-04-12 | 照明装置 |
PCT/JP2008/054587 WO2008129909A1 (ja) | 2007-04-12 | 2008-03-13 | 照明装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007104417A JP5057138B2 (ja) | 2007-04-12 | 2007-04-12 | 照明装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008261717A JP2008261717A (ja) | 2008-10-30 |
JP2008261717A5 JP2008261717A5 (ja) | 2010-05-06 |
JP5057138B2 true JP5057138B2 (ja) | 2012-10-24 |
Family
ID=39875438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007104417A Expired - Fee Related JP5057138B2 (ja) | 2007-04-12 | 2007-04-12 | 照明装置 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP5057138B2 (ja) |
WO (1) | WO2008129909A1 (ja) |
Families Citing this family (3)
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 |
Family Cites Families (10)
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 |
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 |
JP3401787B2 (ja) * | 2001-01-31 | 2003-04-28 | 日本精機株式会社 | 指針照明装置 |
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 |
JP4826161B2 (ja) * | 2005-07-29 | 2011-11-30 | 日本精機株式会社 | 照明装置 |
JP4627287B2 (ja) * | 2006-09-25 | 2011-02-09 | スタンレー電気株式会社 | Led照明装置 |
-
2007
- 2007-04-12 JP JP2007104417A patent/JP5057138B2/ja not_active Expired - Fee Related
-
2008
- 2008-03-13 WO PCT/JP2008/054587 patent/WO2008129909A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JP2008261717A (ja) | 2008-10-30 |
WO2008129909A1 (ja) | 2008-10-30 |
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