CA2046472C - Appareil d'affichage d'images - Google Patents
Appareil d'affichage d'imagesInfo
- Publication number
- CA2046472C CA2046472C CA 2046472 CA2046472A CA2046472C CA 2046472 C CA2046472 C CA 2046472C CA 2046472 CA2046472 CA 2046472 CA 2046472 A CA2046472 A CA 2046472A CA 2046472 C CA2046472 C CA 2046472C
- Authority
- CA
- Canada
- Prior art keywords
- polarized
- plane
- radiation source
- optical system
- generator
- 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 98
- 230000005855 radiation Effects 0.000 claims abstract description 34
- 230000010287 polarization Effects 0.000 claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 239000010408 film Substances 0.000 description 50
- 229910052782 aluminium Inorganic materials 0.000 description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 19
- 230000003595 spectral effect Effects 0.000 description 14
- 238000009826 distribution Methods 0.000 description 13
- 239000004973 liquid crystal related substance Substances 0.000 description 11
- 239000006185 dispersion Substances 0.000 description 8
- 238000005286 illumination Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012788 optical film Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000028161 membrane depolarization Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- ODPOAESBSUKMHD-UHFFFAOYSA-L 6,7-dihydrodipyrido[1,2-b:1',2'-e]pyrazine-5,8-diium;dibromide Chemical compound [Br-].[Br-].C1=CC=[N+]2CC[N+]3=CC=CC=C3C2=C1 ODPOAESBSUKMHD-UHFFFAOYSA-L 0.000 description 1
- 241001507928 Aria Species 0.000 description 1
- 239000005630 Diquat Substances 0.000 description 1
- 235000004494 Sorbus aria Nutrition 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 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
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Transforming Electric Information Into Light Information (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2-192677 | 1990-07-20 | ||
| JP2192677A JPH0478816A (ja) | 1990-07-20 | 1990-07-20 | 偏光照明装置及び該偏光照明装置を備える投写型表示装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2046472A1 CA2046472A1 (fr) | 1992-01-21 |
| CA2046472C true CA2046472C (fr) | 1997-12-16 |
Family
ID=16295211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2046472 Expired - Lifetime CA2046472C (fr) | 1990-07-20 | 1991-07-08 | Appareil d'affichage d'images |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH0478816A (fr) |
| CA (1) | CA2046472C (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07109170B2 (ja) * | 1985-11-26 | 1995-11-22 | ヤマハ発動機株式会社 | 多気筒エンジンの排気装置 |
| JPH07146474A (ja) * | 1993-11-22 | 1995-06-06 | Nec Corp | 投射型液晶表示装置の偏光変換光学系 |
| WO1996012208A1 (fr) * | 1994-10-18 | 1996-04-25 | Hitachi, Ltd. | Affichage a cristaux liquides |
| KR0164463B1 (ko) * | 1994-11-25 | 1999-03-20 | 이헌조 | 액정프로젝트의 광학장치 |
| US6155685A (en) * | 1996-10-31 | 2000-12-05 | Minolta Co., Ltd. | Projector |
| US6005655A (en) * | 1996-10-31 | 1999-12-21 | Minolta Co., Ltd. | Projector capable of projecting polarized illumination light |
| CN111654680B (zh) * | 2019-03-04 | 2024-08-13 | 北京谦恒德科技有限公司 | 一种数字光处理光机的投影拼接方法及装置 |
-
1990
- 1990-07-20 JP JP2192677A patent/JPH0478816A/ja active Pending
-
1991
- 1991-07-08 CA CA 2046472 patent/CA2046472C/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0478816A (ja) | 1992-03-12 |
| CA2046472A1 (fr) | 1992-01-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed | ||
| MKEC | Expiry (correction) |
Effective date: 20121202 |