JPH01128380U - - Google Patents

Info

Publication number
JPH01128380U
JPH01128380U JP2236088U JP2236088U JPH01128380U JP H01128380 U JPH01128380 U JP H01128380U JP 2236088 U JP2236088 U JP 2236088U JP 2236088 U JP2236088 U JP 2236088U JP H01128380 U JPH01128380 U JP H01128380U
Authority
JP
Japan
Prior art keywords
liquid crystal
crystal display
display panel
light source
case
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
JP2236088U
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 JP2236088U priority Critical patent/JPH01128380U/ja
Publication of JPH01128380U publication Critical patent/JPH01128380U/ja
Pending legal-status Critical Current

Links

Description

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

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図は背面投影型液晶表示装置の縦断
側面図、第２図および第３図は投影ユニツトの拡
大縦断側面図および背面図、第４図は第２図のＡ
―Ａ線に沿う断面図である。 １……ケース、２……透過型スクリーン、１０
……投影ユニツト、１１……フレーム、１２……
断熱壁、１５……光源、１６……光源ボツクス、
１７……リフレクタ、１８……光源ランプ、１９
……光源冷却用送風フアン、２０……光源側ミラ
ー、２２……表示パネル冷却器、２６……シール
ドケース、２７……液晶表示パネル、２８……表
示駆動回路基板、３０……レンズ保持部材、３３
……集光レンズ、３４……投影レンズ、３６……
表示部冷却用送風フアン、３８……第１投影ミラ
ー、３９……第２投影ミラー。 Figures 1 to 4 show an embodiment of this invention, in which Figure 1 is a vertical sectional side view of a rear projection type liquid crystal display device, and Figures 2 and 3 are enlarged vertical sectional side views of a projection unit. and rear view, Figure 4 is A of Figure 2.
- It is a sectional view along the A line. 1... Case, 2... Transparent screen, 10
...Projection unit, 11...Frame, 12...
Heat insulation wall, 15... light source, 16... light source box,
17...Reflector, 18...Light source lamp, 19
... Light source cooling fan, 20 ... Light source side mirror, 22 ... Display panel cooler, 26 ... Shield case, 27 ... Liquid crystal display panel, 28 ... Display drive circuit board, 30 ... Lens holding member , 33
... Condensing lens, 34 ... Projection lens, 36 ...
Display cooling fan, 38...first projection mirror, 39...second projection mirror.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ケース前面に透過型スクリーンを設けるととも
に、前記ケース内に、光源と液晶表示パネルと投
影レンズとを配置し、前記光源からの光を前記液
晶表示パネル入射させるとともに、この液晶表示
パネルを透過した画像光を投影レンズにより前記
透過型スクリーンに拡大投影する背面投影型液晶
表示装置において、前記光源と液晶表示パネルと
投影レンズとを共通のフレームに取付けて１つの
ユニツトとし、このユニツトを前記ケース内に組
込んだことを特徴とする背面投影型液晶表示装置
。 A transmissive screen is provided on the front of the case, and a light source, a liquid crystal display panel, and a projection lens are arranged inside the case, and the light from the light source is incident on the liquid crystal display panel, and an image transmitted through the liquid crystal display panel. In a rear projection type liquid crystal display device that magnifies and projects light onto the transmission screen using a projection lens, the light source, the liquid crystal display panel, and the projection lens are attached to a common frame to form a single unit, and this unit is housed in the case. A rear projection type liquid crystal display device characterized by a built-in.
JP2236088U 1988-02-24 1988-02-24 Pending JPH01128380U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2236088U JPH01128380U (en) 1988-02-24 1988-02-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2236088U JPH01128380U (en) 1988-02-24 1988-02-24

Publications (1)

Publication Number Publication Date
JPH01128380U true JPH01128380U (en) 1989-09-01

Family

ID=31240407

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2236088U Pending JPH01128380U (en) 1988-02-24 1988-02-24

Country Status (1)

Country Link
JP (1) JPH01128380U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01289912A (en) * 1988-05-17 1989-11-21 Seiko Epson Corp Display device
JPH07306412A (en) * 1995-03-28 1995-11-21 Seiko Epson Corp Liquid crystal projector
JPH07311372A (en) * 1995-03-28 1995-11-28 Seiko Epson Corp Liquid crystal projector

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54114239A (en) * 1978-02-03 1979-09-06 Soeding Tv Bild Ton Slide projector
JPS6326626A (en) * 1986-07-21 1988-02-04 Hitachi Ltd Multicolor liquid crystal display device
JPS63180830A (en) * 1987-01-21 1988-07-25 Nec Corp Rotating shaft protector
JPS63225220A (en) * 1987-03-16 1988-09-20 Kawasaki Heavy Ind Ltd Color image projector
JPS6432291A (en) * 1987-07-29 1989-02-02 Seiko Epson Corp Back projection type display device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54114239A (en) * 1978-02-03 1979-09-06 Soeding Tv Bild Ton Slide projector
JPS6326626A (en) * 1986-07-21 1988-02-04 Hitachi Ltd Multicolor liquid crystal display device
JPS63180830A (en) * 1987-01-21 1988-07-25 Nec Corp Rotating shaft protector
JPS63225220A (en) * 1987-03-16 1988-09-20 Kawasaki Heavy Ind Ltd Color image projector
JPS6432291A (en) * 1987-07-29 1989-02-02 Seiko Epson Corp Back projection type display device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01289912A (en) * 1988-05-17 1989-11-21 Seiko Epson Corp Display device
JPH07306412A (en) * 1995-03-28 1995-11-21 Seiko Epson Corp Liquid crystal projector
JPH07311372A (en) * 1995-03-28 1995-11-28 Seiko Epson Corp Liquid crystal projector

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