JP4704716B2 - 表示装置 - Google Patents
表示装置 Download PDFInfo
- Publication number
- JP4704716B2 JP4704716B2 JP2004283058A JP2004283058A JP4704716B2 JP 4704716 B2 JP4704716 B2 JP 4704716B2 JP 2004283058 A JP2004283058 A JP 2004283058A JP 2004283058 A JP2004283058 A JP 2004283058A JP 4704716 B2 JP4704716 B2 JP 4704716B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- scale
- scale plate
- guide plate
- plate
- 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
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- 238000009792 diffusion process Methods 0.000 claims description 7
- 235000012489 doughnuts Nutrition 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 208000029152 Small face Diseases 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Images
Landscapes
- Instrument Panels (AREA)
- Details Of Measuring Devices (AREA)
Description
81 ホルダー
82 導光板
82a 光拡散部
82a1 開口部
82b 受光部
82c 連結部
82d 規制溝(規制手段)
84 目盛板
84a 開口部
84b 目盛意匠
Claims (1)
- 開口部が中央に設けられたほぼドーナツ状に形成され、指針で指示される目盛意匠が施されている目盛板と、
前記目盛板の裏面に配置され、LEDからなる光源からの光を受けて、前記目盛板を裏面から照明する導光板とを備え、
前記導光板は、前記光源からの光を受ける受光部と、前記目盛板の開口部と同一形状の開口部が中央に設けられたドーナツ状に形成され、前記目盛板の全体に重ね合わせられる光拡散部と、前記光拡散部の外周の一部に形成され、前記受光部を前記光拡散部に対して任意の角度を持って連結する連結部とを有し、
前記連結部には、鋸歯状に形成され、前記光源から前記受光部を介する光が前記目盛板における前記目盛意匠が施されている一定の範囲内に進むように、前記光の進行方向を規制する規制溝が形成されており、
前記規制溝は、各々異なる反射角を持ち、前記受光部からの光を前記一定の範囲内に進むように反射させる複数の小面より構成されている
ことを特徴とする表示装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004283058A JP4704716B2 (ja) | 2004-09-29 | 2004-09-29 | 表示装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004283058A JP4704716B2 (ja) | 2004-09-29 | 2004-09-29 | 表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006098161A JP2006098161A (ja) | 2006-04-13 |
JP4704716B2 true JP4704716B2 (ja) | 2011-06-22 |
Family
ID=36238132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004283058A Active JP4704716B2 (ja) | 2004-09-29 | 2004-09-29 | 表示装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4704716B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9205775B2 (en) | 2013-10-01 | 2015-12-08 | Denso International America, Inc. | Prism for light reflecting/diffusion between LED's |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4977447B2 (ja) * | 2006-11-02 | 2012-07-18 | 矢崎総業株式会社 | 車両用表示装置 |
DE102016202150A1 (de) * | 2016-02-12 | 2017-08-17 | Robert Bosch Gmbh | Anzeigevorrichtung und Anzeigegerät für ein Fahrzeug sowie Verfahren zum Herstellen einer Anzeigevorrichtung für ein Fahrzeug |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS567017U (ja) * | 1979-06-27 | 1981-01-22 | ||
JPS58114797U (ja) * | 1982-01-30 | 1983-08-05 | 日本精機株式会社 | 内部照明表示機器の導光板 |
JPS629123U (ja) * | 1985-06-29 | 1987-01-20 |
-
2004
- 2004-09-29 JP JP2004283058A patent/JP4704716B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS567017U (ja) * | 1979-06-27 | 1981-01-22 | ||
JPS58114797U (ja) * | 1982-01-30 | 1983-08-05 | 日本精機株式会社 | 内部照明表示機器の導光板 |
JPS629123U (ja) * | 1985-06-29 | 1987-01-20 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9205775B2 (en) | 2013-10-01 | 2015-12-08 | Denso International America, Inc. | Prism for light reflecting/diffusion between LED's |
Also Published As
Publication number | Publication date |
---|---|
JP2006098161A (ja) | 2006-04-13 |
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