JPS6426778U

JPS6426778U -

Info

Publication number: JPS6426778U
Application number: JP12010087U
Authority: JP
Priority date: 1987-08-05
Filing date: 1987-08-05
Publication date: 1989-02-15

Description

[Brief explanation of the drawing]

第１図〜第４図はこの考案の一実施例を示した
もので、第１図はレンズ移動機構の拡大斜視図、
第２図は液晶プロジエクタの縦断側面図、第３図
および第４図は同じく投影方向を斜め下方および
斜め上方に変えた状態の縦断側面図である。１……プロジエクタ本体、８……光源、１２…
…液晶表示パネル、１３……集光レンズ、１４…
…投影レンズ、１４……鏡筒、１６……レンズ移
動機構、１７……スクリユーシヤフト、１８……
昇降体、１８ａ……昇降アーム、１８ｂ……集光
レンズ保持枠、１８ｃ……投影レンズ保持筒、Ｓ
……スクリーン。 Figures 1 to 4 show an embodiment of this invention; Figure 1 is an enlarged perspective view of the lens moving mechanism;
FIG. 2 is a vertical side view of the liquid crystal projector, and FIGS. 3 and 4 are vertical side views of the liquid crystal projector with the projection direction changed to diagonally downward and diagonally upward. 1...Projector main body, 8...Light source, 12...
...Liquid crystal display panel, 13...Condensing lens, 14...
...Projection lens, 14... Lens barrel, 16... Lens moving mechanism, 17... Screw shaft, 18...
Elevating body, 18a... Elevating arm, 18b... Condensing lens holding frame, 18c... Projection lens holding cylinder, S
……screen.

Claims

[Scope of utility model registration request]

In a projection type display device, a condenser lens and a projection lens are disposed on the light output side of a display panel, and a display image of the display panel is condensed onto the projection lens by the condenser lens, and is enlarged and projected onto a screen surface by the projection lens. , the diameter of the condenser lens is made sufficiently larger than the display screen of the display panel, and the condenser lens and the projection lens are integrated in the height direction of the display screen of the display panel. A projection type display device characterized in that it is supported by a lens moving mechanism for parallel movement.