TWI256518B - Projector display and aperture-controllable diaphragm therein - Google Patents
Projector display and aperture-controllable diaphragm thereinInfo
- Publication number
- TWI256518B TWI256518B TW093122956A TW93122956A TWI256518B TW I256518 B TWI256518 B TW I256518B TW 093122956 A TW093122956 A TW 093122956A TW 93122956 A TW93122956 A TW 93122956A TW I256518 B TWI256518 B TW I256518B
- Authority
- TW
- Taiwan
- Prior art keywords
- aperture
- diaphragm
- projector display
- group
- light
- Prior art date
Links
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
- G03B21/20—Lamp housings
- G03B21/2046—Positional adjustment of light sources
-
- 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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/02—Diaphragms
- G03B9/06—Two or more co-operating pivoted blades, e.g. iris type
-
- 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
- H04N9/3111—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources
- H04N9/3114—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources by using a sequential colour filter producing one colour at a time
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/57—Control of contrast or brightness
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
- H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
- H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Projection Apparatus (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW093122956A TWI256518B (en) | 2004-07-30 | 2004-07-30 | Projector display and aperture-controllable diaphragm therein |
JP2005144223A JP2006047982A (ja) | 2004-07-30 | 2005-05-17 | 調整可能な調節式絞りを具えるプロジェクタ |
US11/140,933 US20060023174A1 (en) | 2004-07-30 | 2005-06-01 | Projector apparatus having an aperture-controllable diaphragm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW093122956A TWI256518B (en) | 2004-07-30 | 2004-07-30 | Projector display and aperture-controllable diaphragm therein |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200604710A TW200604710A (en) | 2006-02-01 |
TWI256518B true TWI256518B (en) | 2006-06-11 |
Family
ID=35731740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW093122956A TWI256518B (en) | 2004-07-30 | 2004-07-30 | Projector display and aperture-controllable diaphragm therein |
Country Status (3)
Country | Link |
---|---|
US (1) | US20060023174A1 (zh) |
JP (1) | JP2006047982A (zh) |
TW (1) | TWI256518B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102262339A (zh) * | 2010-05-31 | 2011-11-30 | 中强光电股份有限公司 | 投影装置与其遮光片 |
US11384917B1 (en) | 2021-03-02 | 2022-07-12 | Young Optics Inc. | Headlight and projection device for vehicles |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1640172B1 (en) | 2003-07-01 | 2008-06-18 | Citizen Holdings Co., Ltd. | Printer |
JP2006106073A (ja) * | 2004-09-30 | 2006-04-20 | Seiko Epson Corp | プロジェクタ |
TWI258019B (en) * | 2005-01-25 | 2006-07-11 | Benq Corp | Projection optical system |
JP2007233003A (ja) * | 2006-02-28 | 2007-09-13 | Sharp Corp | プロジェクタ |
TWI312877B (en) * | 2006-08-17 | 2009-08-01 | Delta Electronics Inc | Projection system and its optical shutter |
KR100873137B1 (ko) | 2007-03-14 | 2008-12-09 | 엘지전자 주식회사 | 명암비 조절 유닛 및 이를 이용한 프로젝션 장치 |
TWM337114U (en) * | 2007-06-23 | 2008-07-21 | Young Optics Inc | Projection apparatus and illumination system thereof |
CN101359159B (zh) * | 2007-07-30 | 2010-06-02 | 鸿富锦精密工业(深圳)有限公司 | 投影光学系统 |
TW201245768A (en) | 2011-03-29 | 2012-11-16 | Sony Corp | Image pickup apparatus, image pickup device, image processing method, aperture control method, and program |
US10042145B2 (en) * | 2017-01-06 | 2018-08-07 | Palo Alto Research Center Incorporated | Illumination optical system for laser line generator |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0163077B1 (ko) * | 1993-12-27 | 1999-01-15 | 사또오 후미오 | 표시장치 |
WO2002088841A1 (fr) * | 2001-04-25 | 2002-11-07 | Matsushita Electric Industrial Co., Ltd. | Dispositif d'affichage par projection |
-
2004
- 2004-07-30 TW TW093122956A patent/TWI256518B/zh not_active IP Right Cessation
-
2005
- 2005-05-17 JP JP2005144223A patent/JP2006047982A/ja active Pending
- 2005-06-01 US US11/140,933 patent/US20060023174A1/en not_active Abandoned
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102262339A (zh) * | 2010-05-31 | 2011-11-30 | 中强光电股份有限公司 | 投影装置与其遮光片 |
US11384917B1 (en) | 2021-03-02 | 2022-07-12 | Young Optics Inc. | Headlight and projection device for vehicles |
Also Published As
Publication number | Publication date |
---|---|
JP2006047982A (ja) | 2006-02-16 |
TW200604710A (en) | 2006-02-01 |
US20060023174A1 (en) | 2006-02-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |