CN1979331B - 投影显示设备 - Google Patents
投影显示设备 Download PDFInfo
- Publication number
- CN1979331B CN1979331B CN2006101531658A CN200610153165A CN1979331B CN 1979331 B CN1979331 B CN 1979331B CN 2006101531658 A CN2006101531658 A CN 2006101531658A CN 200610153165 A CN200610153165 A CN 200610153165A CN 1979331 B CN1979331 B CN 1979331B
- Authority
- CN
- China
- Prior art keywords
- transmissive substrate
- light transmissive
- polarizer
- light
- absorptance
- 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
Images
Classifications
-
- 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
- H04N9/3167—Modulator illumination systems for polarizing the light beam
-
- 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
- G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
- G03B21/006—Projectors using an electronic spatial light modulator but not peculiar thereto using LCD's
-
- 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]
- H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
- H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Liquid Crystal (AREA)
- Projection Apparatus (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-355036 | 2005-12-08 | ||
JP2005355036A JP4572165B2 (ja) | 2005-12-08 | 2005-12-08 | 投写型表示装置 |
JP2005355036 | 2005-12-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1979331A CN1979331A (zh) | 2007-06-13 |
CN1979331B true CN1979331B (zh) | 2010-06-16 |
Family
ID=38130532
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006101531658A Active CN1979331B (zh) | 2005-12-08 | 2006-12-07 | 投影显示设备 |
CNU200620147467XU Expired - Fee Related CN201044036Y (zh) | 2005-12-08 | 2006-12-08 | 投影显示设备 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU200620147467XU Expired - Fee Related CN201044036Y (zh) | 2005-12-08 | 2006-12-08 | 投影显示设备 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7821600B2 (zh) |
JP (1) | JP4572165B2 (zh) |
CN (2) | CN1979331B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009003106A (ja) * | 2007-06-20 | 2009-01-08 | Sony Corp | 液晶表示装置 |
JP2009003232A (ja) * | 2007-06-22 | 2009-01-08 | Sanyo Electric Co Ltd | 液晶プロジェクタ |
JP2010152268A (ja) * | 2008-12-26 | 2010-07-08 | Seiko Epson Corp | 液晶表示装置及びプロジェクター |
US10565319B1 (en) * | 2018-08-15 | 2020-02-18 | Hui Zhao | Translation device with two-way projection and voice functions |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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) |
JPH10133096A (ja) * | 1996-10-31 | 1998-05-22 | Nikon Corp | 焦点検出装置 |
JP3491150B2 (ja) | 1999-10-06 | 2004-01-26 | セイコーエプソン株式会社 | プロジェクタ |
JP2002072162A (ja) * | 2000-09-01 | 2002-03-12 | Seiko Epson Corp | 液晶ライトバルブおよびこれを備えた投写型表示装置 |
JP2002090873A (ja) * | 2000-09-11 | 2002-03-27 | Sharp Corp | 投写型表示装置 |
JP2002131750A (ja) * | 2000-10-27 | 2002-05-09 | Matsushita Electric Ind Co Ltd | 投写型表示装置 |
JP2002268139A (ja) * | 2001-03-07 | 2002-09-18 | Sony Corp | 液晶表示装置、液晶プロジェクタ装置及びパネル冷却方法 |
JP2002244214A (ja) * | 2001-02-20 | 2002-08-30 | Seiko Epson Corp | プロジェクタ |
JP3958008B2 (ja) * | 2001-10-01 | 2007-08-15 | キヤノン株式会社 | 画像表示光学系および投射型画像表示装置 |
JP3669365B2 (ja) | 2002-06-19 | 2005-07-06 | セイコーエプソン株式会社 | 光学装置、および、この光学装置を備えるプロジェクタ |
US6844993B2 (en) | 2002-06-19 | 2005-01-18 | Seiko Epson Corporation | Optical device and projector having the optical device |
JP4311103B2 (ja) * | 2003-07-18 | 2009-08-12 | 株式会社日立製作所 | 投写型表示装置及びそれを用いた背面投写型表示装置 |
JP2005157207A (ja) * | 2003-11-28 | 2005-06-16 | Sumitomo Chemical Co Ltd | 偏光変換素子及びそれを用いた投射型液晶表示装置 |
-
2005
- 2005-12-08 JP JP2005355036A patent/JP4572165B2/ja active Active
-
2006
- 2006-11-16 US US11/600,137 patent/US7821600B2/en active Active
- 2006-12-07 CN CN2006101531658A patent/CN1979331B/zh active Active
- 2006-12-08 CN CNU200620147467XU patent/CN201044036Y/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP4572165B2 (ja) | 2010-10-27 |
JP2007156340A (ja) | 2007-06-21 |
CN201044036Y (zh) | 2008-04-02 |
US7821600B2 (en) | 2010-10-26 |
CN1979331A (zh) | 2007-06-13 |
US20070132924A1 (en) | 2007-06-14 |
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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: NEC DISPLAY SOLUTIONS CO., LTD. Free format text: FORMER OWNER: NEC VIDEO TECH. K.K. Effective date: 20070720 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20070720 Address after: Tokyo, Japan, Japan Applicant after: NEC Display Solutions Ltd. Address before: Tokyo, Japan Applicant before: Japan Electrical Vision Technology Co., Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan Patentee after: Sharp NEC display solutions Co.,Ltd. Address before: Tokyo, Japan Patentee before: NEC DISPLAY SOLUTIONS, Ltd. |
|
CP01 | Change in the name or title of a patent holder |