TWI265362B - Optical system, image projection apparatus and method thereof - Google Patents
Optical system, image projection apparatus and method thereofInfo
- Publication number
- TWI265362B TWI265362B TW094100994A TW94100994A TWI265362B TW I265362 B TWI265362 B TW I265362B TW 094100994 A TW094100994 A TW 094100994A TW 94100994 A TW94100994 A TW 94100994A TW I265362 B TWI265362 B TW I265362B
- Authority
- TW
- Taiwan
- Prior art keywords
- projection apparatus
- image projection
- lcd panel
- optical system
- light
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/32—Holograms used as optical elements
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2073—Polarisers in the lamp house
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/208—Homogenising, shaping of the illumination light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW094100994A TWI265362B (en) | 2004-01-20 | 2005-01-13 | Optical system, image projection apparatus and method thereof |
US11/036,979 US7396130B2 (en) | 2004-01-20 | 2005-01-19 | Optical system, image projection apparatus and method thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW93101492 | 2004-01-20 | ||
TW094100994A TWI265362B (en) | 2004-01-20 | 2005-01-13 | Optical system, image projection apparatus and method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200532352A TW200532352A (en) | 2005-10-01 |
TWI265362B true TWI265362B (en) | 2006-11-01 |
Family
ID=34752299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW094100994A TWI265362B (en) | 2004-01-20 | 2005-01-13 | Optical system, image projection apparatus and method thereof |
Country Status (2)
Country | Link |
---|---|
US (1) | US7396130B2 (zh) |
TW (1) | TWI265362B (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4910315B2 (ja) * | 2005-06-20 | 2012-04-04 | セイコーエプソン株式会社 | 表示装置および発光装置 |
US20070229765A1 (en) * | 2006-03-30 | 2007-10-04 | Infocus Corporation | Projection system and method |
US8107020B2 (en) * | 2008-01-14 | 2012-01-31 | Wuhan Splendid Optronics Technology Co., Ltd. | Color-based microdevice of liquid crystal on silicon (LCOS) microdisplay |
CA2796515C (en) | 2010-04-16 | 2020-05-12 | Flex Lighting Ii, Llc | Front illumination device comprising a film-based lightguide |
BR112012026325A2 (pt) | 2010-04-16 | 2019-09-24 | Flex Lighting Ii Llc | dispositivo de iluminação compreendendo um guia de luz baseado em película |
TWI448804B (zh) | 2010-08-20 | 2014-08-11 | Delta Electronics Inc | 光源系統及包含該光源系統之投影裝置 |
TWI479253B (zh) * | 2010-08-20 | 2015-04-01 | Delta Electronics Inc | 光源系統及包含該光源系統之投影裝置 |
US11287563B2 (en) | 2016-12-01 | 2022-03-29 | Ostendo Technologies, Inc. | Polarized light emission from micro-pixel displays and methods of fabrication thereof |
JP6907882B2 (ja) * | 2017-10-25 | 2021-07-21 | セイコーエプソン株式会社 | 照明装置及びプロジェクター |
GB2585211B (en) * | 2019-07-02 | 2021-12-08 | Dualitas Ltd | Spatial light modulation |
CN112526801B (zh) * | 2019-09-03 | 2022-01-25 | 宏达国际电子股份有限公司 | 双镜头成像模块及其提取方法 |
CN115016214B (zh) * | 2022-07-14 | 2024-04-26 | 北京一数科技有限公司 | 投影仪 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6046858A (en) * | 1997-10-16 | 2000-04-04 | Aurora Systems, Inc. | Light separation and recombination system for an off-axis projector |
US6076931A (en) * | 1997-11-14 | 2000-06-20 | Aurora Systems, Inc. | De-centered lens group for use in an off-axis projector |
GB2340281A (en) * | 1998-08-04 | 2000-02-16 | Sharp Kk | A reflective liquid crystal display device |
JP3433127B2 (ja) * | 1999-03-12 | 2003-08-04 | 日本ビクター株式会社 | 画像投射表示装置 |
US7002533B2 (en) * | 2001-08-17 | 2006-02-21 | Michel Sayag | Dual-stage high-contrast electronic image display |
-
2005
- 2005-01-13 TW TW094100994A patent/TWI265362B/zh active
- 2005-01-19 US US11/036,979 patent/US7396130B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20050157264A1 (en) | 2005-07-21 |
TW200532352A (en) | 2005-10-01 |
US7396130B2 (en) | 2008-07-08 |
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