CA2032680C - Image display apparatus - Google Patents
Image display apparatusInfo
- Publication number
- CA2032680C CA2032680C CA 2032680 CA2032680A CA2032680C CA 2032680 C CA2032680 C CA 2032680C CA 2032680 CA2032680 CA 2032680 CA 2032680 A CA2032680 A CA 2032680A CA 2032680 C CA2032680 C CA 2032680C
- Authority
- CA
- Canada
- Prior art keywords
- polarized
- radiation source
- polarization
- plane
- optical system
- 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.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 56
- 230000005855 radiation Effects 0.000 claims abstract description 55
- 230000010287 polarization Effects 0.000 claims abstract description 45
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 239000004973 liquid crystal related substance Substances 0.000 claims description 19
- 230000002194 synthesizing effect Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 7
- 238000005286 illumination Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 239000003086 colorant Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1330033A JP2752751B2 (ja) | 1989-12-20 | 1989-12-20 | 表示装置 |
| JP1-330033 | 1989-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2032680C true CA2032680C (en) | 1994-12-20 |
Family
ID=18228024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2032680 Expired - Lifetime CA2032680C (en) | 1989-12-20 | 1990-12-19 | Image display apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2752751B2 (ja) |
| CA (1) | CA2032680C (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5495105A (en) * | 1992-02-20 | 1996-02-27 | Canon Kabushiki Kaisha | Method and apparatus for particle manipulation, and measuring apparatus utilizing the same |
| JPH05257085A (ja) * | 1992-03-11 | 1993-10-08 | Nikon Corp | 照明光学系 |
| KR100446570B1 (ko) | 1996-08-20 | 2004-11-16 | 세이코 엡슨 가부시키가이샤 | 광학소자,편광조명장치및투사형표시장치 |
| JP4966506B2 (ja) * | 2005-03-24 | 2012-07-04 | 三洋電機株式会社 | 照明装置及び投写型映像表示装置 |
| JP4935089B2 (ja) * | 2006-01-30 | 2012-05-23 | 株式会社日立製作所 | 投射型映像表示装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0293580A (ja) * | 1988-09-30 | 1990-04-04 | Sony Corp | 画像投射装置 |
| JPH03114027A (ja) * | 1989-09-28 | 1991-05-15 | Matsushita Electric Ind Co Ltd | 液晶ビデオプロジェクター |
| JP2893599B2 (ja) * | 1989-10-05 | 1999-05-24 | セイコーエプソン株式会社 | 偏光光源及び投写型表示装置 |
| JPH03175412A (ja) * | 1989-12-05 | 1991-07-30 | Victor Co Of Japan Ltd | 偏光変換素子 |
-
1989
- 1989-12-20 JP JP1330033A patent/JP2752751B2/ja not_active Expired - Fee Related
-
1990
- 1990-12-19 CA CA 2032680 patent/CA2032680C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2752751B2 (ja) | 1998-05-18 |
| JPH03191318A (ja) | 1991-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5327270A (en) | Polarizing beam splitter apparatus and light valve image projection system | |
| CA2036918C (en) | Projector | |
| US5446510A (en) | Image display apparatus | |
| US5626408A (en) | Illumination system for a color projection device and circular polarizer suitable for use in such an illumination system, and color image projection device comprising such an illumination system and circular polarizer | |
| EP0389240B1 (en) | Polarizing beam splitter apparatus and light valve image projection system | |
| EP0457605B1 (en) | Polarization converting device and polarized-light illuminating system using the device and image display unit using the device | |
| EP1772766B1 (en) | Illumination system and projection display apparatus | |
| US6092901A (en) | Polarizing illumination device and projection display device | |
| US5461500A (en) | Polarization converting apparatus and optical instrument having the same | |
| US5276523A (en) | Liquid crystal television projector with automatic focus | |
| WO2003001277A1 (fr) | Systeme d'eclairage optique et projecteur | |
| US5900973A (en) | Optical polarization device and projection system of liquid crystal valve type utilizing such a device | |
| KR100423176B1 (ko) | 투사형표시장치 | |
| CA2032680C (en) | Image display apparatus | |
| JPH1039258A (ja) | 単一偏光変換素子及び投射型表示装置 | |
| JPH04127120A (ja) | 投写型表示装置 | |
| JPH04340918A (ja) | 偏光照明素子および該素子を有する投写型表示装置 | |
| JPH04177335A (ja) | 投射形液晶表示装置 | |
| JPH0458242A (ja) | 投写型液晶表示装置 | |
| KR100636112B1 (ko) | 편광변환기 및 이를 채용한 반사형 프로젝트장치 | |
| JPH06202041A (ja) | 偏光照明装置および投射型表示装置 | |
| KR0120405Y1 (ko) | 화상투사 장치 | |
| JPH06265895A (ja) | 光源装置 | |
| JPH0695106A (ja) | 投写型表示装置 | |
| JPH10260313A (ja) | 反射型偏光変調素子用光源装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed | ||
| MKEC | Expiry (correction) |
Effective date: 20121202 |