JPH0312284U - - Google Patents

Info

Publication number
JPH0312284U
JPH0312284U JP7218089U JP7218089U JPH0312284U JP H0312284 U JPH0312284 U JP H0312284U JP 7218089 U JP7218089 U JP 7218089U JP 7218089 U JP7218089 U JP 7218089U JP H0312284 U JPH0312284 U JP H0312284U
Authority
JP
Japan
Prior art keywords
liquid crystal
reflector
projector device
lamp
crystal projector
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.)
Granted
Application number
JP7218089U
Other languages
Japanese (ja)
Other versions
JP2531928Y2 (en
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 JP1989072180U priority Critical patent/JP2531928Y2/en
Publication of JPH0312284U publication Critical patent/JPH0312284U/ja
Application granted granted Critical
Publication of JP2531928Y2 publication Critical patent/JP2531928Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

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

第１図は本考案の第１実施例を示す液晶プロジ
エクタ装置の概略構成図、第２図は本考案の第２
実施例を示す液晶プロジエクタ装置の要部を示す
図、第３図は従来の液晶プロジエクタ装置の構成
図である。 １１……液晶表示パネル、１２……コンデンサ
レンズ、１３……光源装置、１４……投影レンズ
、１５……スクリーン、１６……光源ランプ、１
７……リフレクタ、１８……集光プリズム。 FIG. 1 is a schematic configuration diagram of a liquid crystal projector device showing a first embodiment of the present invention, and FIG. 2 is a schematic diagram showing a second embodiment of the present invention.
FIG. 3 is a diagram showing the main parts of a liquid crystal projector device according to an embodiment, and is a configuration diagram of a conventional liquid crystal projector device. 11...Liquid crystal display panel, 12...Condenser lens, 13...Light source device, 14...Projection lens, 15...Screen, 16...Light source lamp, 1
7...Reflector, 18...Condensing prism.

Claims (1)

【実用新案登録請求の範囲】 (1) 光源ランプと、この光源ランプから出射し
たランプ光を反射して集光させるリフレクタと、
このリフレクタで集光されたランプ光を平行光に
補正して液晶表示パネルに入射させるコンデンサ
レンズと、前記液晶表示パネルを透過したランプ
光をスクリーンに投影する投影レンズとを備えた
液晶プロジエクタ装置において、前記リフレクタ
の焦点位置とほぼ同じ位置に焦点位置を持つ集光
プリズムを、前記リフレクタの前面開口に近接さ
せて配置したことを特徴とする液晶プロジエクタ
装置。 (2) 前記集光プリズムの出射面を凹レンズ面と
したことを特徴とする請求項１記載の液晶プロジ
エクタ装置。[Claims for Utility Model Registration] (1) A light source lamp, a reflector that reflects and condenses the lamp light emitted from the light source lamp,
A liquid crystal projector device comprising a condenser lens that corrects lamp light collected by the reflector into parallel light and makes it incident on a liquid crystal display panel, and a projection lens that projects the lamp light that has passed through the liquid crystal display panel onto a screen. . A liquid crystal projector device, characterized in that a condensing prism having a focal position substantially at the same position as the focal position of the reflector is disposed close to a front opening of the reflector. (2) The liquid crystal projector device according to claim 1, wherein the exit surface of the condensing prism is a concave lens surface.
JP1989072180U 1989-06-20 1989-06-20 LCD projector Expired - Lifetime JP2531928Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989072180U JP2531928Y2 (en) 1989-06-20 1989-06-20 LCD projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989072180U JP2531928Y2 (en) 1989-06-20 1989-06-20 LCD projector

Publications (2)

Publication Number Publication Date
JPH0312284U true JPH0312284U (en) 1991-02-07
JP2531928Y2 JP2531928Y2 (en) 1997-04-09

Family

ID=31609891

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989072180U Expired - Lifetime JP2531928Y2 (en) 1989-06-20 1989-06-20 LCD projector

Country Status (1)

Country Link
JP (1) JP2531928Y2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61177445A (en) * 1985-02-01 1986-08-09 Nec Corp Liquid-crystal display projecting device
JPS62150317A (en) * 1985-12-25 1987-07-04 Casio Comput Co Ltd Color liquid crystal projector
JPS62150383A (en) * 1985-12-25 1987-07-04 カシオ計算機株式会社 Color liquid crystal projector
JPS62237485A (en) * 1986-04-08 1987-10-17 セイコーエプソン株式会社 Projection type display unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61177445A (en) * 1985-02-01 1986-08-09 Nec Corp Liquid-crystal display projecting device
JPS62150317A (en) * 1985-12-25 1987-07-04 Casio Comput Co Ltd Color liquid crystal projector
JPS62150383A (en) * 1985-12-25 1987-07-04 カシオ計算機株式会社 Color liquid crystal projector
JPS62237485A (en) * 1986-04-08 1987-10-17 セイコーエプソン株式会社 Projection type display unit

Also Published As

Publication number Publication date
JP2531928Y2 (en) 1997-04-09

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