CA2716963C - Projection display - Google Patents
Projection display Download PDFInfo
- Publication number
- CA2716963C CA2716963C CA2716963A CA2716963A CA2716963C CA 2716963 C CA2716963 C CA 2716963C CA 2716963 A CA2716963 A CA 2716963A CA 2716963 A CA2716963 A CA 2716963A CA 2716963 C CA2716963 C CA 2716963C
- Authority
- CA
- Canada
- Prior art keywords
- light
- shielding bodies
- light shielding
- axis
- amount
- 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.)
- Active
Links
- 238000005286 illumination Methods 0.000 claims abstract description 77
- 230000003287 optical effect Effects 0.000 claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 238000009826 distribution Methods 0.000 claims abstract description 23
- 210000003644 lens cell Anatomy 0.000 claims description 25
- 230000010287 polarization Effects 0.000 description 26
- 238000006243 chemical reaction Methods 0.000 description 19
- 210000004027 cell Anatomy 0.000 description 17
- 238000004088 simulation Methods 0.000 description 16
- 230000000903 blocking effect Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 238000007688 edging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000021615 conjugation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3152—Modulator illumination systems for shaping the light beam
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Liquid Crystal (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-149366 | 2007-06-05 | ||
| JP2007149366 | 2007-06-05 | ||
| JP2008032978A JP5100430B2 (ja) | 2007-06-05 | 2008-02-14 | 投射型表示装置 |
| JP2008-032978 | 2008-02-14 | ||
| CA2631144A CA2631144C (en) | 2007-06-05 | 2008-05-12 | Projection display |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2631144A Division CA2631144C (en) | 2007-06-05 | 2008-05-12 | Projection display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2716963A1 CA2716963A1 (en) | 2008-12-05 |
| CA2716963C true CA2716963C (en) | 2013-02-12 |
Family
ID=40180318
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2716963A Active CA2716963C (en) | 2007-06-05 | 2008-05-12 | Projection display |
| CA2716460A Active CA2716460C (en) | 2007-06-05 | 2008-05-12 | Projection display |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2716460A Active CA2716460C (en) | 2007-06-05 | 2008-05-12 | Projection display |
Country Status (5)
| Country | Link |
|---|---|
| JP (3) | JP5100430B2 (es) |
| KR (1) | KR100958478B1 (es) |
| CN (3) | CN101320201B (es) |
| CA (2) | CA2716963C (es) |
| ES (3) | ES2391922T3 (es) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4661954B2 (ja) | 2008-03-10 | 2011-03-30 | セイコーエプソン株式会社 | 調光装置、照明装置及びプロジェクタ |
| JP5298698B2 (ja) * | 2008-08-20 | 2013-09-25 | パナソニック株式会社 | 投写型表示装置 |
| JP5267250B2 (ja) * | 2009-03-18 | 2013-08-21 | セイコーエプソン株式会社 | 調光装置及びかかる調光装置を用いたプロジェクター用の照明装置 |
| JP5509845B2 (ja) * | 2009-10-27 | 2014-06-04 | セイコーエプソン株式会社 | プロジェクター |
| EP2399498A1 (en) | 2010-06-22 | 2011-12-28 | Koninklijke Philips Electronics N.V. | Device for purifying a fluid |
| JP5682154B2 (ja) * | 2010-06-22 | 2015-03-11 | セイコーエプソン株式会社 | 調光装置およびプロジェクター |
| JP5512484B2 (ja) * | 2010-10-08 | 2014-06-04 | 三洋電機株式会社 | 投写型表示装置 |
| US9703184B2 (en) * | 2011-08-12 | 2017-07-11 | Seiko Epson Corporation | Dimmer and projector |
| JP5447625B2 (ja) * | 2012-09-24 | 2014-03-19 | セイコーエプソン株式会社 | プロジェクタ |
| US20210070175A1 (en) * | 2018-05-24 | 2021-03-11 | Mitsubishi Electric Corporation | Vehicular display control device and vehicular display control method |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11194383A (ja) * | 1997-12-26 | 1999-07-21 | Canon Electron Inc | 光量調節装置 |
| JP2003297103A (ja) * | 2002-03-29 | 2003-10-17 | Hitachi Ltd | 照明装置及びそれを用いた投射型プロジェクタ装置 |
| JP4075509B2 (ja) * | 2002-08-06 | 2008-04-16 | セイコーエプソン株式会社 | 照明光学装置および照明光学装置を備えたプロジェクタ |
| JP4158618B2 (ja) * | 2003-05-15 | 2008-10-01 | セイコーエプソン株式会社 | 投射型表示装置および投射型表示装置の駆動方法 |
| JP2005017501A (ja) * | 2003-06-24 | 2005-01-20 | Seiko Epson Corp | 照明装置ならびに投射型表示装置とその駆動方法 |
| CN100495197C (zh) * | 2003-09-10 | 2009-06-03 | 松下电器产业株式会社 | 投影式显示装置 |
| JP2006078784A (ja) * | 2004-09-09 | 2006-03-23 | Nisca Corp | 光量調節装置及びこれを用いたプロジェクタ装置 |
| US7182470B2 (en) * | 2004-09-09 | 2007-02-27 | Nisca Corporation | Light amount control apparatus and projector apparatus using the same |
| JP4823574B2 (ja) * | 2005-06-08 | 2011-11-24 | 日本電産コパル株式会社 | プロジェクタ用絞り装置 |
| JP4904741B2 (ja) * | 2005-08-09 | 2012-03-28 | 株式会社日立製作所 | 投射型映像表示装置および遮光方法 |
| JP5002923B2 (ja) * | 2005-08-09 | 2012-08-15 | 株式会社日立製作所 | 投射型映像表示装置 |
| JP4846337B2 (ja) * | 2005-10-24 | 2011-12-28 | ニスカ株式会社 | 光量調整装置及びこれを備えたプロジェクタ装置 |
-
2008
- 2008-02-14 JP JP2008032978A patent/JP5100430B2/ja active Active
- 2008-05-12 CA CA2716963A patent/CA2716963C/en active Active
- 2008-05-12 CA CA2716460A patent/CA2716460C/en active Active
- 2008-05-30 ES ES09003309T patent/ES2391922T3/es active Active
- 2008-05-30 ES ES09003308T patent/ES2391493T3/es active Active
- 2008-05-30 ES ES08009933T patent/ES2391867T3/es active Active
- 2008-06-03 KR KR1020080052143A patent/KR100958478B1/ko active IP Right Grant
- 2008-06-05 CN CN200810098673XA patent/CN101320201B/zh active Active
- 2008-06-05 CN CN2010100021404A patent/CN101825833B/zh active Active
- 2008-06-05 CN CN2010100021419A patent/CN101825834B/zh active Active
-
2012
- 2012-06-18 JP JP2012136731A patent/JP5496262B2/ja active Active
- 2012-06-18 JP JP2012136730A patent/JP5301017B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101320201B (zh) | 2010-08-25 |
| ES2391867T3 (es) | 2012-11-30 |
| ES2391922T3 (es) | 2012-12-03 |
| CN101320201A (zh) | 2008-12-10 |
| CN101825833A (zh) | 2010-09-08 |
| CN101825834A (zh) | 2010-09-08 |
| JP5301017B2 (ja) | 2013-09-25 |
| JP2012226361A (ja) | 2012-11-15 |
| KR20080107277A (ko) | 2008-12-10 |
| CA2716963A1 (en) | 2008-12-05 |
| ES2391493T3 (es) | 2012-11-27 |
| CA2716460A1 (en) | 2008-12-05 |
| JP2009015295A (ja) | 2009-01-22 |
| CN101825833B (zh) | 2011-12-07 |
| CA2716460C (en) | 2013-02-12 |
| KR100958478B1 (ko) | 2010-05-17 |
| JP5100430B2 (ja) | 2012-12-19 |
| CN101825834B (zh) | 2011-11-02 |
| JP2012194578A (ja) | 2012-10-11 |
| JP5496262B2 (ja) | 2014-05-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |