CN103221885B - 液晶投影仪 - Google Patents
液晶投影仪 Download PDFInfo
- Publication number
- CN103221885B CN103221885B CN201180054255.0A CN201180054255A CN103221885B CN 103221885 B CN103221885 B CN 103221885B CN 201180054255 A CN201180054255 A CN 201180054255A CN 103221885 B CN103221885 B CN 103221885B
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- polaroid
- crystal panel
- cooling air
- panel unit
- 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
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 89
- 238000001816 cooling Methods 0.000 claims abstract description 73
- 239000000428 dust Substances 0.000 claims abstract description 23
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 abstract description 9
- 230000006866 deterioration Effects 0.000 abstract 1
- 238000007664 blowing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- KPHWPUGNDIVLNH-UHFFFAOYSA-M diclofenac sodium Chemical compound [Na+].[O-]C(=O)CC1=CC=CC=C1NC1=C(Cl)C=CC=C1Cl KPHWPUGNDIVLNH-UHFFFAOYSA-M 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
- G02F1/133385—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell with cooling means, e.g. fans
-
- 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
- G03B21/145—Housing details, e.g. position adjustments thereof
-
- 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
- G03B21/16—Cooling; Preventing overheating
-
- 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
- H04N9/3144—Cooling systems
-
- 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
- G03B33/00—Colour photography, other than mere exposure or projection of a colour film
- G03B33/10—Simultaneous recording or projection
- G03B33/12—Simultaneous recording or projection using beam-splitting or beam-combining systems, e.g. dichroic mirrors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Signal Processing (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Projection Apparatus (AREA)
- Liquid Crystal (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2011/052785 WO2012108019A1 (ja) | 2011-02-09 | 2011-02-09 | 液晶プロジェクタ |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103221885A CN103221885A (zh) | 2013-07-24 |
CN103221885B true CN103221885B (zh) | 2015-07-29 |
Family
ID=46638262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201180054255.0A Expired - Fee Related CN103221885B (zh) | 2011-02-09 | 2011-02-09 | 液晶投影仪 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9185371B2 (zh) |
JP (1) | JP5735549B2 (zh) |
CN (1) | CN103221885B (zh) |
WO (1) | WO2012108019A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6696438B2 (ja) * | 2015-02-05 | 2020-05-20 | ソニー株式会社 | プロジェクタ及び光学ユニット |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09197364A (ja) * | 1996-01-23 | 1997-07-31 | Fujitsu Ltd | 液晶プロジェクタ及び液晶プロジェクタの冷却方法 |
JP2002318340A (ja) * | 2001-04-20 | 2002-10-31 | Fujitsu General Ltd | プリズムユニット |
JP2005266833A (ja) * | 2005-06-13 | 2005-09-29 | Hitachi Ltd | 映像表示装置 |
JP2007033746A (ja) * | 2005-07-26 | 2007-02-08 | Seiko Epson Corp | 光学素子の製造方法、光学素子、投射型表示装置 |
JP4023179B2 (ja) * | 2002-02-21 | 2007-12-19 | ソニー株式会社 | 投射型表示装置 |
CN102117003A (zh) * | 2010-01-06 | 2011-07-06 | 三洋电机株式会社 | 投射型影像显示装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2944354B2 (ja) * | 1993-03-30 | 1999-09-06 | 三洋電機株式会社 | 液晶プロジェクタ |
JPH0980374A (ja) * | 1995-09-12 | 1997-03-28 | Fujitsu Ltd | 光学装置及びそれを有する液晶プロジェクタ |
US5892561A (en) * | 1995-10-18 | 1999-04-06 | Fujitsu Limited | LC panel with reduced defects having adhesive smoothing layer on an exterior surface of the substrate(s) |
JP3397090B2 (ja) | 1997-08-04 | 2003-04-14 | 松下電器産業株式会社 | 投射型液晶表示装置 |
US6919992B2 (en) * | 2001-10-01 | 2005-07-19 | Canon Kabushiki Kaisha | Color separating-combining optical system, image display optical system, and projection image display apparatus |
JP2003207639A (ja) * | 2002-01-16 | 2003-07-25 | Seiko Epson Corp | 偏光ユニット、この偏光ユニットを備える光学装置、およびプロジェクタ |
US7118222B2 (en) * | 2003-05-12 | 2006-10-10 | Seiko Epson Corporation | Optical device and protector |
JP4133774B2 (ja) * | 2003-12-02 | 2008-08-13 | Necディスプレイソリューションズ株式会社 | 液晶プロジェクタ装置および液晶プロジェクタ装置の冷却方法 |
JP4527986B2 (ja) * | 2004-01-07 | 2010-08-18 | 旭化成イーマテリアルズ株式会社 | ワイヤグリッド型偏光子 |
JP2005250061A (ja) * | 2004-03-03 | 2005-09-15 | Hitachi Ltd | 光学ユニット、投射型映像表示装置及びそれに用いる光学素子 |
JP4492174B2 (ja) * | 2004-03-26 | 2010-06-30 | 株式会社日立製作所 | 液晶表示装置 |
JP4096904B2 (ja) * | 2004-03-26 | 2008-06-04 | セイコーエプソン株式会社 | 光変調素子保持体、光学装置、およびプロジェクタ |
US20070002191A1 (en) * | 2005-07-01 | 2007-01-04 | Seiko Epson Corporation | Projector |
JP2009282416A (ja) * | 2008-05-26 | 2009-12-03 | Hitachi Ltd | 光学ユニットおよびそれを用いた投射型液晶表示装置 |
JP5268506B2 (ja) * | 2008-09-05 | 2013-08-21 | 三洋電機株式会社 | 投写型映像表示装置 |
JP5161810B2 (ja) * | 2009-02-25 | 2013-03-13 | 株式会社日立製作所 | 光学ユニットおよびそれを用いた投射型液晶表示装置 |
-
2011
- 2011-02-09 JP JP2012556702A patent/JP5735549B2/ja not_active Expired - Fee Related
- 2011-02-09 US US13/883,773 patent/US9185371B2/en not_active Expired - Fee Related
- 2011-02-09 WO PCT/JP2011/052785 patent/WO2012108019A1/ja active Application Filing
- 2011-02-09 CN CN201180054255.0A patent/CN103221885B/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09197364A (ja) * | 1996-01-23 | 1997-07-31 | Fujitsu Ltd | 液晶プロジェクタ及び液晶プロジェクタの冷却方法 |
JP2002318340A (ja) * | 2001-04-20 | 2002-10-31 | Fujitsu General Ltd | プリズムユニット |
JP4023179B2 (ja) * | 2002-02-21 | 2007-12-19 | ソニー株式会社 | 投射型表示装置 |
JP2005266833A (ja) * | 2005-06-13 | 2005-09-29 | Hitachi Ltd | 映像表示装置 |
JP2007033746A (ja) * | 2005-07-26 | 2007-02-08 | Seiko Epson Corp | 光学素子の製造方法、光学素子、投射型表示装置 |
CN102117003A (zh) * | 2010-01-06 | 2011-07-06 | 三洋电机株式会社 | 投射型影像显示装置 |
Also Published As
Publication number | Publication date |
---|---|
JP5735549B2 (ja) | 2015-06-17 |
JPWO2012108019A1 (ja) | 2014-07-03 |
US20140009698A1 (en) | 2014-01-09 |
CN103221885A (zh) | 2013-07-24 |
WO2012108019A1 (ja) | 2012-08-16 |
US9185371B2 (en) | 2015-11-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: HITACHI MAXELL LTD. Free format text: FORMER OWNER: HITACHI LTD. Effective date: 20150302 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20150302 Address after: Osaka Japan Applicant after: Hitachi Maxell, Ltd. Address before: Tokyo, Japan Applicant before: Hitachi Consumer Electronics Co.,Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180302 Address after: Kyoto Japan Patentee after: MAXELL, Ltd. Address before: Osaka Japan Patentee before: Hitachi Maxell, Ltd. |
|
TR01 | Transfer of patent right | ||
CP01 | Change in the name or title of a patent holder |
Address after: Kyoto Japan Patentee after: MAXELL, Ltd. Address before: Kyoto Japan Patentee before: MAXELL HOLDINGS, Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220601 Address after: Kyoto Japan Patentee after: MAXELL HOLDINGS, Ltd. Address before: Kyoto Japan Patentee before: MAXELL, Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20220209 |