EP1664903A4 - Color filter unit and projection system employing the same - Google Patents
Color filter unit and projection system employing the sameInfo
- Publication number
- EP1664903A4 EP1664903A4 EP04774650A EP04774650A EP1664903A4 EP 1664903 A4 EP1664903 A4 EP 1664903A4 EP 04774650 A EP04774650 A EP 04774650A EP 04774650 A EP04774650 A EP 04774650A EP 1664903 A4 EP1664903 A4 EP 1664903A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- same
- color filter
- filter unit
- projection system
- system employing
- 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.)
- Withdrawn
Links
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]
- H04N9/3102—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
- H04N9/3117—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 two or more colours simultaneously, e.g. by creating scrolling colour bands
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US50517103P | 2003-09-24 | 2003-09-24 | |
KR1020030097798A KR20050030087A (en) | 2003-09-24 | 2003-12-26 | Color filter unit and projection system employing the same |
PCT/KR2004/002391 WO2005029156A1 (en) | 2003-09-24 | 2004-09-17 | Color filter unit and projection system employing the same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1664903A1 EP1664903A1 (en) | 2006-06-07 |
EP1664903A4 true EP1664903A4 (en) | 2009-11-04 |
Family
ID=36242047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04774650A Withdrawn EP1664903A4 (en) | 2003-09-24 | 2004-09-17 | Color filter unit and projection system employing the same |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1664903A4 (en) |
WO (1) | WO2005029156A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5098183A (en) * | 1988-09-12 | 1992-03-24 | Seiko Epson Corporation | Dichroic optical elements for use in a projection type display apparatus |
WO2000070403A1 (en) * | 1999-05-14 | 2000-11-23 | Colorlink, Inc. | Color imaging systems and methods |
US6379010B1 (en) * | 1998-11-12 | 2002-04-30 | Fujitsu Limited | Projection type display |
US20030107809A1 (en) * | 2001-11-30 | 2003-06-12 | Jianmin Chen | Compensated color management systems and methods |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW293981B (en) * | 1995-07-21 | 1996-12-21 | Philips Electronics Nv | |
US5975703A (en) * | 1996-09-30 | 1999-11-02 | Digital Optics International | Image projection system |
US5921650A (en) * | 1998-02-27 | 1999-07-13 | International Business Machines Corporation | High efficiency field-sequential color projector using two SLMs |
WO2001038928A1 (en) * | 1999-11-22 | 2001-05-31 | Koninklijke Philips Electronics N.V. | Image projection system |
KR100364399B1 (en) * | 2000-10-26 | 2002-12-12 | 엘지전자 주식회사 | Optical System Of Liquid Crystal Projector |
KR100433210B1 (en) * | 2001-08-10 | 2004-05-28 | 엘지전자 주식회사 | Optical illumination system for projector using optical device with function of homogenizing and color separation |
US6961179B2 (en) * | 2001-11-30 | 2005-11-01 | Colorlink, Inc. | Compensated color management systems and methods |
-
2004
- 2004-09-17 WO PCT/KR2004/002391 patent/WO2005029156A1/en active Application Filing
- 2004-09-17 EP EP04774650A patent/EP1664903A4/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5098183A (en) * | 1988-09-12 | 1992-03-24 | Seiko Epson Corporation | Dichroic optical elements for use in a projection type display apparatus |
US6379010B1 (en) * | 1998-11-12 | 2002-04-30 | Fujitsu Limited | Projection type display |
WO2000070403A1 (en) * | 1999-05-14 | 2000-11-23 | Colorlink, Inc. | Color imaging systems and methods |
US20030107809A1 (en) * | 2001-11-30 | 2003-06-12 | Jianmin Chen | Compensated color management systems and methods |
Non-Patent Citations (1)
Title |
---|
See also references of WO2005029156A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2005029156A1 (en) | 2005-03-31 |
EP1664903A1 (en) | 2006-06-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20050728 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR GB IT NL |
|
DAX | Request for extension of the european patent (deleted) | ||
RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB IT NL |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20091005 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20100105 |