JPH0381932U

JPH0381932U -

Info

Publication number: JPH0381932U
Application number: JP14293589U
Authority: JP
Priority date: 1989-12-11
Filing date: 1989-12-11
Publication date: 1991-08-21

Description

[Brief explanation of drawings]

第１図は、本考案の概略平面図。第２図は、従
来技術の概略的な液晶パネルの位置関係図。第３
図は、１実施例における光源の光成分図。第４図
は、従来技術の概略照度分布図。第５図は、本考
案の概略的な液晶パネルの位置関係図。第６図は
、本考案の概略照度分布図。１……光源、２……白色光、３……リフレクタ
ー、４１……ブルーダイクロイツクミラー、４２
……グリーンダイクロイツクミラー、５１，５２
，５３……反射ミラー、６１，６２，６３……集
光レンズ、７１，７２，７３……液晶パネル、９
……ダイクロイツクプリズム、１０……投射レン
ズ、１１……スクリーン。 FIG. 1 is a schematic plan view of the present invention. FIG. 2 is a schematic positional relationship diagram of a liquid crystal panel according to the prior art. Third
The figure is a light component diagram of a light source in one embodiment. FIG. 4 is a schematic illuminance distribution diagram of the prior art. FIG. 5 is a schematic positional relationship diagram of the liquid crystal panel of the present invention. FIG. 6 is a schematic illuminance distribution diagram of the present invention. 1...Light source, 2...White light, 3...Reflector, 41...Blue dichroic mirror, 42
...Green dichroic mirror, 51, 52
, 53... Reflection mirror, 61, 62, 63... Condensing lens, 71, 72, 73... Liquid crystal panel, 9
...dichroic prism, 10...projection lens, 11...screen.

Claims

[Scope of utility model registration request]

A light source, the white light emitted from the light source is the three primary colors red,
In a projection type projector having a dichroic mirror that separates into green and blue, a liquid crystal panel for image formation, a dichroic prism for image composition, etc., a condenser lens is arranged on the liquid crystal panel and the light entrance side. A projection type projector that is characterized by: