JPS6326833U - - Google Patents

Info

Publication number
JPS6326833U
JPS6326833U JP11981486U JP11981486U JPS6326833U JP S6326833 U JPS6326833 U JP S6326833U JP 11981486 U JP11981486 U JP 11981486U JP 11981486 U JP11981486 U JP 11981486U JP S6326833 U JPS6326833 U JP S6326833U
Authority
JP
Japan
Prior art keywords
liquid crystal
projection lens
display panel
crystal display
optical axis
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
JP11981486U
Other languages
Japanese (ja)
Other versions
JPH0438346Y2 (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 JP1986119814U priority Critical patent/JPH0438346Y2/ja
Priority to US07/079,883 priority patent/US4875064A/en
Publication of JPS6326833U publication Critical patent/JPS6326833U/ja
Priority to US07/359,399 priority patent/US4941732A/en
Application granted granted Critical
Publication of JPH0438346Y2 publication Critical patent/JPH0438346Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Description

【図面の簡単な説明】[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図は液晶プロジエクタの内部構造を
示す斜視図、第２図は液晶プロジエクタの外観図
、第３図および第４図は第２図のＡ―Ａ線および
Ｂ―Ｂ線に沿う拡大断面図である。第５図は従来
の液晶プロジエクタの原理構成を示す側面図であ
る。 １１……ケース、１２……表示窓、１３……透
過型スクリーン、１４……液晶表示パネル、１５
……光源部、１６……投影レンズ、１７ａ，１７
ｂ……フイルタ、１８……照明光反射ミラー、１
９……コンデンサレンズ、２０……フレネルレン
ズ、２１……表示像反射ミラー、２２，２３……
投影ミラー、Ｏ１……液晶表示パネルの光軸、Ｏ
２……投影レンズの光軸、Ｏ３……スクリーンへ
の投影光軸。 Figures 1 to 4 show an embodiment of this invention, in which Figure 1 is a perspective view showing the internal structure of a liquid crystal projector, Figure 2 is an external view of the liquid crystal projector, and Figures 3 and 4. The figure is an enlarged sectional view taken along lines AA and BB in FIG. 2. FIG. 5 is a side view showing the basic structure of a conventional liquid crystal projector. 11... Case, 12... Display window, 13... Transmissive screen, 14... Liquid crystal display panel, 15
...Light source section, 16...Projection lens, 17a, 17
b...Filter, 18...Illumination light reflecting mirror, 1
9... Condenser lens, 20... Fresnel lens, 21... Display image reflecting mirror, 22, 23...
Projection mirror, O 1 ...Optical axis of liquid crystal display panel, O
2 ... Optical axis of the projection lens, O 3 ... Optical axis of projection onto the screen.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 透過型スクリーンを備えた表示窓を有するケー
ス内に、透過型液晶表示パネルと、この液晶表示
パネルをその裏面側から照明する光源部と、前記
液晶表示パネルの表示像を前記透過型スクリーン
に拡大投影する投影レンズとを設けた液晶プロジ
エクタにおいて、前記投影レンズを、その光軸を
前記透過型スクリーンへの投影光軸と交差する方
向に向けて配置し、この投影レンズと前記透過型
スクリーンとの間に、投影レンズを通つた投影像
を透過型スクリーンに向けて反射させる少なくと
も１枚のミラーを設けるとともに、前記液晶表示
パネルを、その光軸を前記投影レンズの光軸と交
差する方向に向けて配置して、この液晶表示パネ
ルと前記投影レンズとの間に、液晶表示パネルの
表示像を投影レンズに向けて反射させる少なくと
も１枚のミラーを設けたことを特徴とする液晶プ
ロジエクタ。 A case having a display window equipped with a transmissive screen includes a transmissive liquid crystal display panel, a light source unit that illuminates the liquid crystal display panel from the back side thereof, and a display image of the liquid crystal display panel is enlarged onto the transmissive screen. In a liquid crystal projector equipped with a projection lens for projecting images, the projection lens is arranged with its optical axis oriented in a direction intersecting the optical axis of projection onto the transmissive screen, and the projection lens and the transmissive screen are connected to each other. At least one mirror is provided between them to reflect a projected image passing through a projection lens toward a transmission screen, and the liquid crystal display panel is oriented with its optical axis in a direction intersecting the optical axis of the projection lens. 1. A liquid crystal projector, characterized in that at least one mirror is provided between the liquid crystal display panel and the projection lens to reflect a displayed image of the liquid crystal display panel toward the projection lens.
JP1986119814U 1986-08-06 1986-08-06 Expired JPH0438346Y2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1986119814U JPH0438346Y2 (en) 1986-08-06 1986-08-06
US07/079,883 US4875064A (en) 1986-08-06 1987-07-30 Projector apparatus with mirror means
US07/359,399 US4941732A (en) 1986-08-06 1989-05-31 Transmission type projection screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986119814U JPH0438346Y2 (en) 1986-08-06 1986-08-06

Publications (2)

Publication Number Publication Date
JPS6326833U true JPS6326833U (en) 1988-02-22
JPH0438346Y2 JPH0438346Y2 (en) 1992-09-08

Family

ID=31007541

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986119814U Expired JPH0438346Y2 (en) 1986-08-06 1986-08-06

Country Status (1)

Country Link
JP (1) JPH0438346Y2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06194619A (en) * 1992-07-03 1994-07-15 Casio Comput Co Ltd Liquid crystal projector
JP2005189784A (en) * 2003-12-25 2005-07-14 Figla Co Ltd Rear projector
JP2006071939A (en) * 2004-09-01 2006-03-16 Fujinon Corp Rear projector
JP2006098932A (en) * 2004-09-30 2006-04-13 Nitto Kogaku Kk Lens unit and lens holder

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5086132U (en) * 1973-12-08 1975-07-22
JPS58122527A (en) * 1982-01-18 1983-07-21 Hitachi Ltd Back projection screen and back projection device using it
JPS61134778A (en) * 1984-12-05 1986-06-21 Mita Ind Co Ltd Copying machine provided with overhead projector
JPS61109493U (en) * 1984-12-21 1986-07-11

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5086132U (en) * 1973-12-08 1975-07-22
JPS58122527A (en) * 1982-01-18 1983-07-21 Hitachi Ltd Back projection screen and back projection device using it
JPS61134778A (en) * 1984-12-05 1986-06-21 Mita Ind Co Ltd Copying machine provided with overhead projector
JPS61109493U (en) * 1984-12-21 1986-07-11

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06194619A (en) * 1992-07-03 1994-07-15 Casio Comput Co Ltd Liquid crystal projector
JP2005189784A (en) * 2003-12-25 2005-07-14 Figla Co Ltd Rear projector
JP2006071939A (en) * 2004-09-01 2006-03-16 Fujinon Corp Rear projector
JP4694806B2 (en) * 2004-09-01 2011-06-08 富士フイルム株式会社 Rear projector
JP2006098932A (en) * 2004-09-30 2006-04-13 Nitto Kogaku Kk Lens unit and lens holder

Also Published As

Publication number Publication date
JPH0438346Y2 (en) 1992-09-08

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