JP5160994B2 - 導光板及び、メータ - Google Patents
導光板及び、メータ Download PDFInfo
- Publication number
- JP5160994B2 JP5160994B2 JP2008194922A JP2008194922A JP5160994B2 JP 5160994 B2 JP5160994 B2 JP 5160994B2 JP 2008194922 A JP2008194922 A JP 2008194922A JP 2008194922 A JP2008194922 A JP 2008194922A JP 5160994 B2 JP5160994 B2 JP 5160994B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- light guide
- guide plate
- led
- flat surface
- 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.)
- Active
Links
- 230000003287 optical effect Effects 0.000 claims description 21
- 238000006073 displacement reaction Methods 0.000 description 22
- 238000005259 measurement Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 7
- 239000000446 fuel Substances 0.000 description 6
- 229920003002 synthetic resin Polymers 0.000 description 5
- 239000000057 synthetic resin Substances 0.000 description 5
- 230000003760 hair shine Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
Images
Landscapes
- Instrument Panels (AREA)
- Planar Illumination Modules (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Details Of Measuring Devices (AREA)
- Light Guides In General And Applications Therefor (AREA)
Description
12 受光部
13 受光面
14 凸面
15 平坦面
23 LED(光源)
L、L1、L2、L3 光
P 光軸
Z 位置ずれの大きさ
Zmax 位置ずれの大きさの最大値
Claims (2)
- 光源に向かって突設されて前記光源からの光を受光する受光部を備えた導光板において、
前記受光部の前記光源と相対する受光面が、
前記光源に向かって凸の曲面に形成された凸面と、
前記凸面に連なり、前記光源と相対し、かつ、該光源の光軸に対して交差する方向に平坦に形成された平坦面と、
を備え、
前記平坦面が、前記受光面の中央に設けられていることを特徴とする導光板。 - 前記光源と、
請求項1記載の導光板と、を備え、
前記平坦面が、前記光源の中心と相対する位置に設けられていることを特徴とするメータ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008194922A JP5160994B2 (ja) | 2008-07-29 | 2008-07-29 | 導光板及び、メータ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008194922A JP5160994B2 (ja) | 2008-07-29 | 2008-07-29 | 導光板及び、メータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010032369A JP2010032369A (ja) | 2010-02-12 |
JP5160994B2 true JP5160994B2 (ja) | 2013-03-13 |
Family
ID=41737017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008194922A Active JP5160994B2 (ja) | 2008-07-29 | 2008-07-29 | 導光板及び、メータ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5160994B2 (ja) |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1091073A (ja) * | 1996-09-17 | 1998-04-10 | Nissha Printing Co Ltd | 表示パネルとその製造方法 |
JP3714498B2 (ja) * | 1996-10-30 | 2005-11-09 | 矢崎総業株式会社 | 車両用表示装置 |
JP2000268620A (ja) * | 1999-03-15 | 2000-09-29 | Calsonic Kansei Corp | 計器の照明装置 |
JP4103979B2 (ja) * | 2000-01-31 | 2008-06-18 | 日本精機株式会社 | 指針の照明構造 |
JP2001281008A (ja) * | 2000-03-31 | 2001-10-10 | Nippon Seiki Co Ltd | 照明装置 |
JP2004233466A (ja) * | 2003-01-28 | 2004-08-19 | Denso Corp | 車両用表示装置 |
JP4223868B2 (ja) * | 2003-06-06 | 2009-02-12 | 矢崎総業株式会社 | 指針用導光板 |
JP2006337177A (ja) * | 2005-06-02 | 2006-12-14 | Calsonic Kansei Corp | 発光指針構造 |
JP4855725B2 (ja) * | 2005-07-01 | 2012-01-18 | 矢崎総業株式会社 | 車両用表示装置 |
JP2008066097A (ja) * | 2006-09-07 | 2008-03-21 | Epson Imaging Devices Corp | 電気光学装置、照明装置、及び電子機器 |
JP4784527B2 (ja) * | 2007-02-23 | 2011-10-05 | オムロン株式会社 | 導光器具および導光装置 |
JP4685074B2 (ja) * | 2007-10-16 | 2011-05-18 | シャープ株式会社 | 反射型液晶表示装置 |
US7771069B2 (en) * | 2008-03-05 | 2010-08-10 | Denso International America, Inc. | Three-dimensional lighted gauge |
-
2008
- 2008-07-29 JP JP2008194922A patent/JP5160994B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2010032369A (ja) | 2010-02-12 |
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