JPH0194985U - - Google Patents
Info
- Publication number
- JPH0194985U JPH0194985U JP19001787U JP19001787U JPH0194985U JP H0194985 U JPH0194985 U JP H0194985U JP 19001787 U JP19001787 U JP 19001787U JP 19001787 U JP19001787 U JP 19001787U JP H0194985 U JPH0194985 U JP H0194985U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- image
- displays
- green
- 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
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims 2
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第1図はこの考案の一実施例を示す液晶プロジ
エクタの平面図、第2図は透光体の光屈折作用を
示す図、第3図は透光体の他の配置例を示す図、
第4図は従来の液晶プロジエクタの平面図である
。
1R……赤色画像表示パネル、1G……緑色画
像表示パネル、1B……青色画像表示パネル、2
……スクリーン、3……投影レンズ、4……画像
合成用ダイクロイツクプリズム、5……光源、8
……光分割用ダイクロイツクミラー、9a,9b
,10a,10b……ミラー、11……透光体。
FIG. 1 is a plan view of a liquid crystal projector showing an embodiment of this invention, FIG. 2 is a diagram showing the light refraction effect of the transparent body, and FIG. 3 is a diagram showing another example of the arrangement of the transparent body.
FIG. 4 is a plan view of a conventional liquid crystal projector. 1R...Red image display panel, 1G...Green image display panel, 1B...Blue image display panel, 2
... Screen, 3 ... Projection lens, 4 ... Dichroic prism for image synthesis, 5 ... Light source, 8
... Dichroic mirror for light splitting, 9a, 9b
, 10a, 10b...Mirror, 11...Transparent body.
Claims (1)
像を表示する液晶表示パネルと、青色画像を表示
する液晶表示パネルとを備え、1つの光源からの
光を3方向に分割してこの各方向の光を前記各液
晶表示パネルにそれぞれ入射させるとともに、前
記各液晶表示パネルが表示する赤、緑、青の画像
をスクリーン面に投影してスクリーン面に前記赤
、緑、青の画像が重なつたフルカラー画像を表示
する液晶プロジエクタにおいて、前記光源から前
記各液晶表示パネルへの3つの光路のうち、その
距離が長い光路に、光源からの光束の広がりを抑
制する透光体を介在させたことを特徴とする液晶
プロジエクタ。 Equipped with a liquid crystal display panel that displays a red image, a liquid crystal display panel that displays a green image, and a liquid crystal display panel that displays a blue image, the light from one light source is divided into three directions and the light from each direction is divided. is incident on each of the liquid crystal display panels, and the red, green, and blue images displayed by each of the liquid crystal display panels are projected onto the screen surface to produce a full-color display in which the red, green, and blue images are superimposed on the screen surface. A liquid crystal projector for displaying an image is characterized in that, of the three optical paths from the light source to each of the liquid crystal display panels, a translucent body is interposed in the longer optical path to suppress the spread of the luminous flux from the light source. LCD projector.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987190017U JPH0725777Y2 (en) | 1987-12-16 | 1987-12-16 | LCD projector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987190017U JPH0725777Y2 (en) | 1987-12-16 | 1987-12-16 | LCD projector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0194985U true JPH0194985U (en) | 1989-06-22 |
JPH0725777Y2 JPH0725777Y2 (en) | 1995-06-07 |
Family
ID=31481020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987190017U Expired - Lifetime JPH0725777Y2 (en) | 1987-12-16 | 1987-12-16 | LCD projector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0725777Y2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0475378U (en) * | 1990-11-14 | 1992-07-01 | ||
JPH05257116A (en) * | 1992-11-05 | 1993-10-08 | Casio Comput Co Ltd | Image projector |
WO1994022042A1 (en) * | 1993-03-16 | 1994-09-29 | Seiko Epson Corporation | Projection type display device |
JP2008292683A (en) * | 2007-05-23 | 2008-12-04 | Sony Corp | Video display device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60102602A (en) * | 1983-11-09 | 1985-06-06 | Fuji Xerox Co Ltd | Conjugate length changing movable mirror of large-sized copying machine or the like |
JPS62287219A (en) * | 1986-06-06 | 1987-12-14 | Seiko Epson Corp | Projection type display device |
JPH01120192A (en) * | 1987-11-04 | 1989-05-12 | Seiko Epson Corp | Projection type displaying device |
-
1987
- 1987-12-16 JP JP1987190017U patent/JPH0725777Y2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60102602A (en) * | 1983-11-09 | 1985-06-06 | Fuji Xerox Co Ltd | Conjugate length changing movable mirror of large-sized copying machine or the like |
JPS62287219A (en) * | 1986-06-06 | 1987-12-14 | Seiko Epson Corp | Projection type display device |
JPH01120192A (en) * | 1987-11-04 | 1989-05-12 | Seiko Epson Corp | Projection type displaying device |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0475378U (en) * | 1990-11-14 | 1992-07-01 | ||
JPH05257116A (en) * | 1992-11-05 | 1993-10-08 | Casio Comput Co Ltd | Image projector |
WO1994022042A1 (en) * | 1993-03-16 | 1994-09-29 | Seiko Epson Corporation | Projection type display device |
JP2008292683A (en) * | 2007-05-23 | 2008-12-04 | Sony Corp | Video display device |
Also Published As
Publication number | Publication date |
---|---|
JPH0725777Y2 (en) | 1995-06-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH0194985U (en) | ||
JPH06225247A (en) | Liquid crystal projector | |
JPH083583B2 (en) | Projection color display device | |
JPS6326833U (en) | ||
JPH0262477U (en) | ||
JPS6430978U (en) | ||
JPH0239212U (en) | ||
JPS61140321U (en) | ||
JPH0230986U (en) | ||
JPH0479355U (en) | ||
JPH02140541U (en) | ||
JPS6413026U (en) | ||
JPH0318535U (en) | ||
JP2500826Y2 (en) | LCD projector | |
JPH0185781U (en) | ||
JPH01113277U (en) | ||
JPS61140384U (en) | ||
JPH0283523U (en) | ||
JPH0229076U (en) | ||
JPS6410782U (en) | ||
JPS61128630U (en) | ||
JPH0455031U (en) | ||
JPH01115778U (en) | ||
JPH03139638A (en) | Liquid crystal video projector | |
JPH01103868U (en) |