JPH03119816U - - Google Patents

Info

Publication number
JPH03119816U
JPH03119816U JP2917290U JP2917290U JPH03119816U JP H03119816 U JPH03119816 U JP H03119816U JP 2917290 U JP2917290 U JP 2917290U JP 2917290 U JP2917290 U JP 2917290U JP H03119816 U JPH03119816 U JP H03119816U
Authority
JP
Japan
Prior art keywords
light
liquid crystal
polarized light
polarized
crystal plate
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
Application number
JP2917290U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP2917290U priority Critical patent/JPH03119816U/ja
Publication of JPH03119816U publication Critical patent/JPH03119816U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案実施例の説明図、第２図は従来
例の説明図である。 １……光源ランプ、２……凹面反射鏡、３１１
，３２１，３３１，３４１……第１の組のフイル
ター、３１２，３２２，３３２，３４２……第２
の組のフイルター、４……全反射ミラー、５１１
，５２１，５３１……第１の組の液晶板、５１２
，５２２，５３２……第２の組の液晶板、６……
プロジエクターレンズ、７……偏光ビームスプリ
ツター、８……偏光プリズム。 FIG. 1 is an explanatory diagram of an embodiment of the present invention, and FIG. 2 is an explanatory diagram of a conventional example. 1... Light source lamp, 2... Concave reflector, 311
, 321, 331, 341... first set of filters, 312, 322, 332, 342... second set of filters
Set of filters, 4... Total reflection mirror, 511
, 521, 531...first set of liquid crystal plates, 512
, 522, 532... second set of liquid crystal plates, 6...
Projector lens, 7...Polarizing beam splitter, 8...Polarizing prism.

Claims (1)

【実用新案登録請求の範囲】 光源ランプの放射光を液晶板に入射し、この液
晶板の透過光をスクリーンに投影する液晶プロジ
エクター装置であつて、 前記光源ランプの放射光を先ず偏光ビームスプ
リツターでＰ偏光とＳ偏光に分割し、Ｐ偏光をＰ
偏光で作動する液晶板に、Ｓ偏光をＳ偏光で作動
する液晶板にそれぞれ入射し、これら液晶板の透
過光を再び合成して投影することを特徴とする液
晶プロジエクター装置。[Scope of Claim for Utility Model Registration] A liquid crystal projector device that inputs emitted light from a light source lamp onto a liquid crystal plate and projects the transmitted light from the liquid crystal plate onto a screen, the emitted light from the light source lamp first being polarized beam splitter. Split the P-polarized light into P-polarized light and S-polarized light with the
A liquid crystal projector device characterized in that S-polarized light is incident on a liquid crystal plate operated by polarized light, and the light transmitted through these liquid crystal plates is combined again and projected.
JP2917290U 1990-03-23 1990-03-23 Pending JPH03119816U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2917290U JPH03119816U (en) 1990-03-23 1990-03-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2917290U JPH03119816U (en) 1990-03-23 1990-03-23

Publications (1)

Publication Number Publication Date
JPH03119816U true JPH03119816U (en) 1991-12-10

Family

ID=31531947

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2917290U Pending JPH03119816U (en) 1990-03-23 1990-03-23

Country Status (1)

Country Link
JP (1) JPH03119816U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008268857A (en) * 2007-03-22 2008-11-06 Seiko Epson Corp Projector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008268857A (en) * 2007-03-22 2008-11-06 Seiko Epson Corp Projector
JP4508232B2 (en) * 2007-03-22 2010-07-21 セイコーエプソン株式会社 projector

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