JPS63170838U - - Google Patents
Info
- Publication number
- JPS63170838U JPS63170838U JP1987063590U JP6359087U JPS63170838U JP S63170838 U JPS63170838 U JP S63170838U JP 1987063590 U JP1987063590 U JP 1987063590U JP 6359087 U JP6359087 U JP 6359087U JP S63170838 U JPS63170838 U JP S63170838U
- Authority
- JP
- Japan
- Prior art keywords
- lenticular lens
- convex strip
- condensing part
- external light
- ridges
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 230000031700 light absorption Effects 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Transforming Electric Information Into Light Information (AREA)
Description
第１図は本考案の一実施例を示す部分的な断面
図、第２図はその一部を示す拡大断面図、第３図
ないし第６図は本考案の他の実施例を示す拡大断
面図、第７図は従来例を示す部分的な斜視図であ
る。
１……スクリーン基材、２……レンチキユラー
レンズ、３……集光部、４……非集光部、５……
外光吸収層。
Fig. 1 is a partial sectional view showing one embodiment of the present invention, Fig. 2 is an enlarged sectional view showing a part thereof, and Figs. 3 to 6 are enlarged sectional views showing other embodiments of the invention. 7 are partial perspective views showing a conventional example. DESCRIPTION OF SYMBOLS 1... Screen base material, 2... Lenticular lens, 3... Light condensing part, 4... Non-light condensing part, 5...
External light absorption layer.
Claims (1)
成され、かつ観察側には該レンチキユラーレンズ
に対応する非集光部が凸条に形成されており、し
かも該凸条の立上り面には長さ方向に延びるレベ
ル合せ用の段差または小突条が形成されていて、
この凸条に外光吸収層が形成されていることを特
徴とする透過型スクリーン。 A lenticular lens is formed at least on the incident side, and a non-condensing part corresponding to the lenticular lens is formed in a convex strip on the observation side, and the rising surface of the convex strip is formed in the longitudinal direction. A step or small protrusion for leveling is formed that extends to
A transmission screen characterized in that an external light absorbing layer is formed on the ridges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987063590U JPS63170838U (en) | 1987-04-27 | 1987-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987063590U JPS63170838U (en) | 1987-04-27 | 1987-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63170838U true JPS63170838U (en) | 1988-11-07 |
Family
ID=30898962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987063590U Pending JPS63170838U (en) | 1987-04-27 | 1987-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63170838U (en) |
-
1987
- 1987-04-27 JP JP1987063590U patent/JPS63170838U/ja active Pending
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