JPH0267505U - - Google Patents
Info
- Publication number
- JPH0267505U JPH0267505U JP14701588U JP14701588U JPH0267505U JP H0267505 U JPH0267505 U JP H0267505U JP 14701588 U JP14701588 U JP 14701588U JP 14701588 U JP14701588 U JP 14701588U JP H0267505 U JPH0267505 U JP H0267505U
- Authority
- JP
- Japan
- Prior art keywords
- display lamp
- front lens
- lens plate
- light source
- lamp device
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の表示用ランプ装置の構成を説
明する図、第２図は本考案の表示用ランプ装置の
前面レンズ板の拡大断面図と外光の光路を示す図
、第３図は本考案の表示用ランプ装置の前面レン
ズ板の拡大断面図と光源光の光路を示す図である
。
１……光源ランプ、２……放物面鏡、３……前
面レンズ板、４……観察側レンチキユラーレンズ
、５……光源側レンチキユラーレンズ、６……遮
光層。
FIG. 1 is a diagram explaining the configuration of the display lamp device of the present invention, FIG. 2 is an enlarged sectional view of the front lens plate of the display lamp device of the present invention and a diagram showing the optical path of external light, and FIG. 3 is a diagram showing the optical path of external light. FIG. 3 is an enlarged cross-sectional view of the front lens plate of the display lamp device of the present invention and a diagram showing the optical path of light from the light source. DESCRIPTION OF SYMBOLS 1... Light source lamp, 2... Parabolic mirror, 3... Front lens plate, 4... Observation side lenticular lens, 5... Light source side lenticular lens, 6... Light shielding layer.
Claims (1)
表示用ランプ装置において、該前面レンズ板は両
面に円筒又は球面から成る凸状のレンチキユラー
レンズ形状を有し、該前面レンズ板の光源側に配
置されたレンチキユラーレンズの表面には外部か
ら光が入射した際の光路に対応する部分にのみ遮
光層が設けられていることを特徴とする表示用ラ
ンプ装置。 ２ 前面レンズ板の観察側の面に設けられている
レンチキユラーレンズの焦点の位置は、前面レン
ズ板のほぼ厚みの位置にあることを特徴とする請
求項１記載の表示用ランプ装置。 ３ 前面レンズ板の両面に設けられているレンチ
キユラーレンズが観察側、光源側とも同一半径の
、ないしは観察側レンチキユラーレンズに比べ光
源側レンチキユラーレンズの方がより小さな半径
の円筒又は球面から成ることを特徴とする請求項
１又は２記載の表示用ランプ装置。[Claims for Utility Model Registration] 1. A display lamp device comprising a light source, a parabolic mirror, and a front lens plate, wherein the front lens plate has convex lenticular lens shapes made of cylindrical or spherical surfaces on both sides. , a display lamp characterized in that a light shielding layer is provided on the surface of the lenticular lens disposed on the light source side of the front lens plate only in a portion corresponding to the optical path when light enters from the outside. Device. 2. The display lamp device according to claim 1, wherein the focal point of the lenticular lens provided on the observation side surface of the front lens plate is located at approximately the thickness of the front lens plate. 3. The lenticular lenses provided on both sides of the front lens plate are cylinders with the same radius on both the observation side and the light source side, or the lenticular lens on the light source side has a smaller radius than the lenticular lens on the observation side. 3. The display lamp device according to claim 1, wherein the display lamp device has a spherical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14701588U JPH0267505U (en) | 1988-11-10 | 1988-11-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14701588U JPH0267505U (en) | 1988-11-10 | 1988-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0267505U true JPH0267505U (en) | 1990-05-22 |
Family
ID=31417040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14701588U Pending JPH0267505U (en) | 1988-11-10 | 1988-11-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0267505U (en) |
-
1988
- 1988-11-10 JP JP14701588U patent/JPH0267505U/ja active Pending