JPH0477101U - - Google Patents
Info
- Publication number
- JPH0477101U JPH0477101U JP11936790U JP11936790U JPH0477101U JP H0477101 U JPH0477101 U JP H0477101U JP 11936790 U JP11936790 U JP 11936790U JP 11936790 U JP11936790 U JP 11936790U JP H0477101 U JPH0477101 U JP H0477101U
- Authority
- JP
- Japan
- Prior art keywords
- section
- light
- illumination
- light guide
- spectroscopic
- 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.)
- Granted
Links
- 238000005286 illumination Methods 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims 1
Classifications
-
- 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
-
- 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
-
- G—PHYSICS
- G12—INSTRUMENT DETAILS
- G12B—CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR
- G12B11/00—Indicating elements; Illumination thereof
- G12B11/02—Scales; Dials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
- H01H9/161—Indicators for switching condition, e.g. "on" or "off" comprising light emitting elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Description
図面は全て本考案の一実施例を説明するための
もので、第1図は平面図、第2図は断面図、第3
図及び第4図は表示装置に適用した状態を示す平
面図及び断面図である。
1……照光用導光体、2a〜2d……照光部、
3……導光路部、4……入光部、5a〜5d,2
0a,20b……反射面。
The drawings are all for explaining one embodiment of the present invention, and Fig. 1 is a plan view, Fig. 2 is a sectional view, and Fig. 3 is a sectional view.
The figure and FIG. 4 are a plan view and a sectional view showing a state in which the present invention is applied to a display device. 1... Light guide for illumination, 2a to 2d... Lighting part,
3...Light guide path section, 4...Light entrance section, 5a to 5d, 2
0a, 20b... Reflective surface.
Claims (1)
端を連結した導光路部と、該導光路部に設けた入
光部と、前記導光部の一側である前記照光部側に
照光部に対応してそれぞれ設け、前記入光部から
の光を対応する照光部に導く第1の分光部と、前
記光の主光軸を挟んで前記第1の分光部に対向す
る前記導光路部の他側にそれぞれ設け、前記光を
対応する照光部に導く第2の分光部とを有するこ
とを特徴とする照光用導光体。 (2) 第2の分光部が、入光部から遠くなる程照
光部の延長方向となす角が小さくなるように形成
されている反射面であることを特徴とする請求項
(1)に記載の照光用導光体。 (3) 第1の分光部が、光を対応する照光部の延
長方向の一側部側に分光し、第2の分光部が、光
を対応する照光部の前記一側部側に対応する他側
部側に分光するように形成されていることを特徴
とする請求項(1)に記載の照光用導光体。[Claims for Utility Model Registration] (1) A plurality of elongated light illumination parts, a light guide section connecting one end of each of the light guide parts, a light entrance part provided in the light guide part, and the light guide A first spectroscopic section, which is provided corresponding to the illumination section on one side of the illumination section, and which guides the light from the light input section to the corresponding illumination section, and a first splitting section that is sandwiched between the main optical axis of the light. A light guide for illumination, characterized in that it has a second spectroscopic section provided on the other side of the light guide path section facing the first spectroscopic section and guides the light to a corresponding illumination section. (2) A claim characterized in that the second spectroscopic section is a reflective surface formed such that the farther it is from the light entrance section, the smaller the angle it makes with the extension direction of the illumination section.
The light guide for illumination described in (1). (3) The first spectrometer specifies the light toward one side in the extending direction of the corresponding illumination section, and the second spectrometer specifies the light toward the one side of the corresponding illumination section. 2. The light guide for illumination according to claim 1, wherein the light guide is formed so as to disperse light toward the other side.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990119367U JP2527183Y2 (en) | 1990-11-16 | 1990-11-16 | Light guide for illumination |
DE19914137670 DE4137670C2 (en) | 1990-11-16 | 1991-11-15 | Optical fiber lighting arrangement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990119367U JP2527183Y2 (en) | 1990-11-16 | 1990-11-16 | Light guide for illumination |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0477101U true JPH0477101U (en) | 1992-07-06 |
JP2527183Y2 JP2527183Y2 (en) | 1997-02-26 |
Family
ID=14759748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990119367U Expired - Lifetime JP2527183Y2 (en) | 1990-11-16 | 1990-11-16 | Light guide for illumination |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP2527183Y2 (en) |
DE (1) | DE4137670C2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015022982A (en) * | 2013-07-23 | 2015-02-02 | 市光工業株式会社 | Light guide member for vehicle, and lighting fixture for vehicle |
WO2019167569A1 (en) * | 2018-02-27 | 2019-09-06 | 株式会社小糸製作所 | Vehicle lamp |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5436805A (en) * | 1992-10-29 | 1995-07-25 | Hughes Aircraft Company | Thermally insulated distributed light network from a central light source |
DE19960789A1 (en) * | 1999-12-15 | 2001-06-28 | Valeo Schalter & Sensoren Gmbh | Steering angle sensor |
DE10036037A1 (en) * | 2000-07-24 | 2002-02-07 | Mannesmann Vdo Ag | pointer instrument |
FR2824135B1 (en) * | 2001-04-25 | 2003-09-12 | Skf Ab | OPTICAL DEVICE FOR DETECTING ROTATION PARAMETERS AND ROLLING BEARING PROVIDED WITH SUCH A DEVICE |
EP2215505A1 (en) * | 2007-11-30 | 2010-08-11 | Thomson Licensing | Multi-directional light pipe with metered side scatter |
JP6257132B2 (en) | 2012-10-15 | 2018-01-10 | 小島プレス工業株式会社 | Light guide device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6411203A (en) * | 1987-07-03 | 1989-01-13 | Dai Ichi Seiko Co Ltd | Lighting device |
JPH0247602U (en) * | 1988-09-27 | 1990-03-30 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51144089A (en) * | 1975-06-04 | 1976-12-10 | Sekisui Kinzoku:Kk | Illumination facility |
DE3235817A1 (en) * | 1982-09-28 | 1984-03-29 | Robert Bosch Gmbh, 7000 Stuttgart | Device for the illumination of passive displays |
JPH0247602B2 (en) * | 1983-09-09 | 1990-10-22 | Kajima Corp | TETSUKOTSUHASHIRA * HARINOSETSUGOSOCHI |
IT8552912V0 (en) * | 1985-01-28 | 1985-01-28 | Comind S P Aa | MOTORCYCLE LIGHT |
-
1990
- 1990-11-16 JP JP1990119367U patent/JP2527183Y2/en not_active Expired - Lifetime
-
1991
- 1991-11-15 DE DE19914137670 patent/DE4137670C2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6411203A (en) * | 1987-07-03 | 1989-01-13 | Dai Ichi Seiko Co Ltd | Lighting device |
JPH0247602U (en) * | 1988-09-27 | 1990-03-30 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015022982A (en) * | 2013-07-23 | 2015-02-02 | 市光工業株式会社 | Light guide member for vehicle, and lighting fixture for vehicle |
WO2019167569A1 (en) * | 2018-02-27 | 2019-09-06 | 株式会社小糸製作所 | Vehicle lamp |
JPWO2019167569A1 (en) * | 2018-02-27 | 2021-02-04 | 株式会社小糸製作所 | Vehicle lighting |
Also Published As
Publication number | Publication date |
---|---|
DE4137670A1 (en) | 1992-05-21 |
JP2527183Y2 (en) | 1997-02-26 |
DE4137670C2 (en) | 1995-09-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |