JPS6260921U

JPS6260921U -

Info

Publication number: JPS6260921U
Application number: JP15325985U
Authority: JP
Priority date: 1985-10-07
Filing date: 1985-10-07
Publication date: 1987-04-15

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示した説明図、第
２図はスクリーン前面に偏光板を設けた一例を示
した斜視図、第３図は第２図の構成に被せる覆い
の一例を示した斜視図、第４図は螢光灯に偏光板
を取り付けた一例を示した正面図および左側面図
、第５図は螢光灯の偏光板とスクリーンの偏光板
の偏光軸の関係を示した説明図、第６図は螢光灯
に偏光板を取り付けた他の例を示した正面図およ
び左側面図、第７図は窓に設けた偏光板とスクリ
ーン前面の偏光板の偏光軸との関係を示した説明
図である。１……光源、３……液晶ライトバルブ、５……
スクリーン、６……偏光板。 Fig. 1 is an explanatory diagram showing an embodiment of the present invention, Fig. 2 is a perspective view showing an example of a polarizing plate provided in front of the screen, and Fig. 3 is an example of a cover that can be placed over the structure of Fig. 2. Figure 4 is a front view and left side view showing an example of a fluorescent lamp with a polarizing plate attached to it, and Figure 5 shows the relationship between the polarizing axes of the fluorescent lamp's polarizing plate and the screen's polarizing plate. Figure 6 is a front view and left side view showing another example of a fluorescent lamp with a polarizing plate attached, and Figure 7 is the polarizing axis of the polarizing plate installed in the window and the polarizing plate in front of the screen. FIG. 1...Light source, 3...Liquid crystal light valve, 5...
Screen, 6...Polarizing plate.

Claims

[Scope of utility model registration request]

In a projector that projects light transmitted through a light valve made of an electro-optic display element such as a liquid crystal onto a screen, the screen is arranged at an angle of 60 to 85 degrees with respect to the central axis ray of the light incident on the screen. A projector characterized by having a polarizing plate on the front.