JP4325135B2 - 照明装置およびプロジェクタ - Google Patents
照明装置およびプロジェクタ Download PDFInfo
- Publication number
- JP4325135B2 JP4325135B2 JP2001291028A JP2001291028A JP4325135B2 JP 4325135 B2 JP4325135 B2 JP 4325135B2 JP 2001291028 A JP2001291028 A JP 2001291028A JP 2001291028 A JP2001291028 A JP 2001291028A JP 4325135 B2 JP4325135 B2 JP 4325135B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- light beam
- incident
- reflective polarizer
- beam splitting
- 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 - Fee Related
Links
- 238000005286 illumination Methods 0.000 claims description 71
- 230000003287 optical effect Effects 0.000 claims description 45
- 239000004973 liquid crystal related substance Substances 0.000 claims description 39
- 230000004907 flux Effects 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000010287 polarization Effects 0.000 description 53
- 238000006243 chemical reaction Methods 0.000 description 27
- 238000010586 diagram Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229910010272 inorganic material Inorganic materials 0.000 description 3
- 239000011147 inorganic material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910001507 metal halide Inorganic materials 0.000 description 3
- 150000005309 metal halides Chemical class 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Landscapes
- Liquid Crystal (AREA)
- Projection Apparatus (AREA)
- Microscoopes, Condenser (AREA)
- Polarising Elements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001291028A JP4325135B2 (ja) | 2001-09-25 | 2001-09-25 | 照明装置およびプロジェクタ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001291028A JP4325135B2 (ja) | 2001-09-25 | 2001-09-25 | 照明装置およびプロジェクタ |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003098597A JP2003098597A (ja) | 2003-04-03 |
| JP2003098597A5 JP2003098597A5 (https=) | 2005-04-07 |
| JP4325135B2 true JP4325135B2 (ja) | 2009-09-02 |
Family
ID=19113235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001291028A Expired - Fee Related JP4325135B2 (ja) | 2001-09-25 | 2001-09-25 | 照明装置およびプロジェクタ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4325135B2 (https=) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1391776A1 (en) * | 2002-07-19 | 2004-02-25 | Sony International (Europe) GmbH | Light collecting, integrating and redirecting device |
| JP4593894B2 (ja) * | 2003-09-01 | 2010-12-08 | キヤノン株式会社 | 光学式エンコーダ |
| JP2005157059A (ja) | 2003-11-27 | 2005-06-16 | Seiko Epson Corp | 照明装置及びプロジェクタ |
| JP4557204B2 (ja) * | 2004-01-20 | 2010-10-06 | 富士フイルム株式会社 | 投映型画像表示装置 |
| JP2005292561A (ja) * | 2004-04-01 | 2005-10-20 | Nec Viewtechnology Ltd | 光源装置および投写型表示装置 |
| JP4678231B2 (ja) * | 2005-05-12 | 2011-04-27 | セイコーエプソン株式会社 | 均一化光学素子、照明装置及び画像表示装置 |
| JP2007033860A (ja) * | 2005-07-27 | 2007-02-08 | Canon Inc | 照明装置及び撮像装置 |
| JP4600238B2 (ja) * | 2005-10-05 | 2010-12-15 | セイコーエプソン株式会社 | 画像表示装置 |
| WO2007072336A1 (en) * | 2005-12-20 | 2007-06-28 | Koninklijke Philips Electronics, N.V. | Color mixing rod integrator in a laser-based projector |
| JP5259157B2 (ja) * | 2007-11-09 | 2013-08-07 | オリンパス株式会社 | レーザ顕微鏡 |
| KR101455998B1 (ko) | 2008-04-30 | 2014-11-03 | 엘지전자 주식회사 | 레이저 프로젝션 장치 |
| JP5445379B2 (ja) * | 2010-07-30 | 2014-03-19 | セイコーエプソン株式会社 | プロジェクター |
| CN102692711A (zh) * | 2011-03-21 | 2012-09-26 | 深圳市众望达光电有限公司 | 一种光斑匀化处理的激光照明器 |
| WO2017172787A1 (en) * | 2016-03-31 | 2017-10-05 | 3M Innovative Properties Company | Low-glare automotive headlight |
| CN112180665A (zh) * | 2020-11-04 | 2021-01-05 | 南华智能精密机器(深圳)有限公司 | 一种lcd投影机共轭高效照明系统和投影方法 |
-
2001
- 2001-09-25 JP JP2001291028A patent/JP4325135B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003098597A (ja) | 2003-04-03 |
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