JPH0274703U - - Google Patents
Info
- Publication number
- JPH0274703U JPH0274703U JP15303888U JP15303888U JPH0274703U JP H0274703 U JPH0274703 U JP H0274703U JP 15303888 U JP15303888 U JP 15303888U JP 15303888 U JP15303888 U JP 15303888U JP H0274703 U JPH0274703 U JP H0274703U
- Authority
- JP
- Japan
- Prior art keywords
- inner lens
- optical axis
- disposed
- center
- vehicle lamp
- 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
- 230000003287 optical effect Effects 0.000 claims 2
Description
第１図は、本考案による車両用灯具の一実施例
を示す断面図、第２図は、同灯具のインナレンズ
の一部省略拡大断面図、第３図は、同灯具の輝度
分布を従来例とともに示すグラフ、第４図は、同
灯具の外部からの見え方を説明するインナレンズ
の一部省略拡大断面図、第５図は、別の灯具にお
ける外部からの見え方を説明するインナレンズの
一部省略拡大断面図、第６図は、従来の車両用灯
具の一例を示す断面図である。
１２…ランプバルブ、１３…ハウジング、１４
…インナレンズ、１５…アウタレンズ、１８…屈
折系フレネルプリズム。
Fig. 1 is a cross-sectional view showing an embodiment of the vehicle lamp according to the present invention, Fig. 2 is an enlarged cross-sectional view of the inner lens of the lamp with a portion omitted, and Fig. 3 shows the luminance distribution of the lamp according to the conventional example. Graphs shown with examples; Figure 4 is a partially omitted enlarged cross-sectional view of the inner lens to explain how the same light fixture looks from the outside; Figure 5 is a partially omitted enlarged sectional view of the inner lens of another light fixture to explain how it looks from the outside. FIG. 6 is a partially omitted enlarged sectional view showing an example of a conventional vehicle lamp. 12... Lamp bulb, 13... Housing, 14
...Inner lens, 15...Outer lens, 18...Refractive Fresnel prism.
Claims (1)
ンナレンズとアウタレンズとを配設した車両用灯
具であつて、前記インナレンズの表面全体に、中
心部における出射角が光軸に対し内側方向に傾い
ており、この傾きが光軸中心から周辺部に向けて
ゼロにまで徐変する屈折系フレネルプリズムを形
成したことを特徴とする車両用灯具。 A vehicle lamp in which an inner lens and an outer lens are disposed on the front surface of a housing in which a lamp bulb is disposed, wherein the entire surface of the inner lens has an emission angle at the center that is inclined inward with respect to the optical axis. A vehicle lamp comprising a refractive Fresnel prism whose inclination gradually changes from the center of the optical axis to zero toward the periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15303888U JPH0241762Y2 (en) | 1988-11-26 | 1988-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15303888U JPH0241762Y2 (en) | 1988-11-26 | 1988-11-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0274703U true JPH0274703U (en) | 1990-06-07 |
| JPH0241762Y2 JPH0241762Y2 (en) | 1990-11-07 |
Family
ID=31428515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15303888U Expired JPH0241762Y2 (en) | 1988-11-26 | 1988-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241762Y2 (en) |
-
1988
- 1988-11-26 JP JP15303888U patent/JPH0241762Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0241762Y2 (en) | 1990-11-07 |
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