JP4802915B2 - 背面投影型表示装置 - Google Patents
背面投影型表示装置 Download PDFInfo
- Publication number
- JP4802915B2 JP4802915B2 JP2006206731A JP2006206731A JP4802915B2 JP 4802915 B2 JP4802915 B2 JP 4802915B2 JP 2006206731 A JP2006206731 A JP 2006206731A JP 2006206731 A JP2006206731 A JP 2006206731A JP 4802915 B2 JP4802915 B2 JP 4802915B2
- Authority
- JP
- Japan
- Prior art keywords
- screen
- display device
- projection display
- rear projection
- light
- 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
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/18—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/02—Catoptric systems, e.g. image erecting and reversing system
- G02B17/06—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror
- G02B17/0605—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror using two curved mirrors
-
- 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
- G03B21/28—Reflectors in projection 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
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/62—Translucent screens
-
- 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]
- H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Mechanical Optical Scanning Systems (AREA)
Description
Claims (7)
- スクリーンの背面から映像を投影する背面投影型表示装置において、
光線を出射する光源と、
上記光源より出射された光線を略平行光線に変換する光学素子と、
上記光学素子で変換された略平行光線を上記スクリーンに入射させるように走査する走査部と、
高さ方向の長さが上記スクリーンの高さ方向の長さの1/2以上であり、上記走査部で走査された光線を反射して該光線を該スクリーンへ入射させる反射板と
を備え、
上記反射板の形状は、水平方向の曲率よりも垂直方向の曲率の方が大きく上記スクリーンに対して凹型のトーリック曲面であり、
上記反射板の下端部と上記スクリーンの下端部とは水平方向において一致し、該反射板の上端部から該スクリーンまでの距離は、該反射板の下端部から該スクリーンまでの距離よりも短い背面投影型表示装置。 - 上記光源及び上記光学素子を備えた光路は、上記スクリーン平面に対して略水平方向に配置される請求項1記載の背面投影型表示装置。
- 上記走査部は、反射面を有し、上記スクリーンの上下左右方向に上記略平行光線を走査するように当該反射面を駆動する請求項1記載の背面投影型表示装置。
- 上記光源は、半導体レーザである請求項1記載の背面投影型表示装置。
- 上記光源は、発光ダイオードである請求項1記載の背面投影型表示装置。
- 上記光源は、光線を直接変調して出射する請求項1記載の背面投影型表示装置。
- 上記光源より出射された光線を変調する変調素子をさらに備える請求項1記載の背面投影型表示装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006206731A JP4802915B2 (ja) | 2006-07-28 | 2006-07-28 | 背面投影型表示装置 |
US11/774,407 US20080024737A1 (en) | 2006-07-28 | 2007-07-06 | Rear projection display device |
EP07112859A EP1883249A1 (en) | 2006-07-28 | 2007-07-20 | Rear projection display device |
CN200710138352.3A CN101118370B (zh) | 2006-07-28 | 2007-07-27 | 背投影显示设备 |
KR1020070075356A KR20080011099A (ko) | 2006-07-28 | 2007-07-27 | 배면 투영형 표시 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006206731A JP4802915B2 (ja) | 2006-07-28 | 2006-07-28 | 背面投影型表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008033039A JP2008033039A (ja) | 2008-02-14 |
JP4802915B2 true JP4802915B2 (ja) | 2011-10-26 |
Family
ID=38537923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006206731A Expired - Fee Related JP4802915B2 (ja) | 2006-07-28 | 2006-07-28 | 背面投影型表示装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20080024737A1 (ja) |
EP (1) | EP1883249A1 (ja) |
JP (1) | JP4802915B2 (ja) |
KR (1) | KR20080011099A (ja) |
CN (1) | CN101118370B (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2068068B1 (en) * | 2007-12-07 | 2013-11-20 | Stanley Electric Co., Ltd. | Vehicle headlamp |
CN102271236B (zh) * | 2010-06-01 | 2013-06-19 | 联想移动通信科技有限公司 | 一种终端设备的图像显示方法和终端设备 |
KR102479811B1 (ko) | 2016-06-13 | 2022-12-23 | 삼성전자주식회사 | 공기 조화기 및 공기 조화기의 제어방법 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4026641A (en) * | 1975-12-30 | 1977-05-31 | The United States Of America As Represented By The Secretary Of The Army | Toric reflector display |
JPH01106673A (ja) * | 1987-10-20 | 1989-04-24 | Brother Ind Ltd | 薄型プロジェクタ |
JP2786796B2 (ja) * | 1993-06-23 | 1998-08-13 | シャープ株式会社 | プロジェクター |
JPH0787428A (ja) * | 1993-09-14 | 1995-03-31 | Sony Corp | リアプロジェクター |
DE19737861C1 (de) * | 1997-08-29 | 1999-03-04 | Ldt Gmbh & Co | Rückprojektor |
US6900916B2 (en) * | 1999-03-04 | 2005-05-31 | Fuji Photo Film Co., Ltd. | Color laser display apparatus having fluorescent screen scanned with modulated ultraviolet laser light |
JP2001108937A (ja) * | 1999-10-12 | 2001-04-20 | Canon Inc | 投射型表示装置 |
US7021937B2 (en) * | 2000-04-14 | 2006-04-04 | Viretek | Race car simulator |
JP2003021800A (ja) * | 2001-07-10 | 2003-01-24 | Canon Inc | 投射型表示装置 |
DE10144075B4 (de) * | 2001-09-07 | 2005-05-12 | Siemens Ag | Head-Up-Display |
KR20030026112A (ko) * | 2001-09-24 | 2003-03-31 | 엘지전자 주식회사 | 프로젝션 디스플레이 장치 |
JP2003287682A (ja) * | 2002-03-27 | 2003-10-10 | Minolta Co Ltd | 斜め投影光学系およびその設定方法 |
US6860606B2 (en) * | 2003-01-21 | 2005-03-01 | Hewlett-Packard Development Company, L.P. | Projector having concentrated beam |
WO2004064370A2 (en) * | 2003-01-08 | 2004-07-29 | Silicon Optix Inc. | Image projection system and method |
JP4088188B2 (ja) * | 2003-04-07 | 2008-05-21 | セイコーエプソン株式会社 | プロジェクタ |
JP2004341211A (ja) * | 2003-05-15 | 2004-12-02 | Seiko Epson Corp | プロジェクタ及びプロジェクタの制御方法 |
US6899433B2 (en) * | 2003-06-19 | 2005-05-31 | Brookhaven Science Associates | Split image optical display |
AU2004242071A1 (en) * | 2003-09-23 | 2004-12-02 | Greenco L.L.C. Dba Lfi International | Programmable laser illuminated sign apparatus |
CN2669216Y (zh) * | 2003-11-27 | 2005-01-05 | 中强光电股份有限公司 | 背投影显示装置 |
JP4483703B2 (ja) * | 2004-08-04 | 2010-06-16 | セイコーエプソン株式会社 | プロジェクタ |
JP4590985B2 (ja) * | 2004-08-31 | 2010-12-01 | セイコーエプソン株式会社 | 画像表示装置 |
JP4169017B2 (ja) * | 2005-07-07 | 2008-10-22 | セイコーエプソン株式会社 | 画像表示装置及び画像表示装置の制御方法 |
-
2006
- 2006-07-28 JP JP2006206731A patent/JP4802915B2/ja not_active Expired - Fee Related
-
2007
- 2007-07-06 US US11/774,407 patent/US20080024737A1/en not_active Abandoned
- 2007-07-20 EP EP07112859A patent/EP1883249A1/en not_active Withdrawn
- 2007-07-27 CN CN200710138352.3A patent/CN101118370B/zh not_active Expired - Fee Related
- 2007-07-27 KR KR1020070075356A patent/KR20080011099A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JP2008033039A (ja) | 2008-02-14 |
CN101118370B (zh) | 2012-12-05 |
KR20080011099A (ko) | 2008-01-31 |
EP1883249A1 (en) | 2008-01-30 |
US20080024737A1 (en) | 2008-01-31 |
CN101118370A (zh) | 2008-02-06 |
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