GB2405954B - Projection image display apparatus with diffractive reflection polariser and astigmatism corrector - Google Patents
Projection image display apparatus with diffractive reflection polariser and astigmatism correctorInfo
- Publication number
- GB2405954B GB2405954B GB0424535A GB0424535A GB2405954B GB 2405954 B GB2405954 B GB 2405954B GB 0424535 A GB0424535 A GB 0424535A GB 0424535 A GB0424535 A GB 0424535A GB 2405954 B GB2405954 B GB 2405954B
- Authority
- GB
- United Kingdom
- Prior art keywords
- polariser
- image display
- display apparatus
- projection image
- astigmatism corrector
- 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
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
- H04N9/3105—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
- 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
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1809—Diffraction gratings with pitch less than or comparable to the wavelength
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Liquid Crystal (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002226806 | 2002-08-05 | ||
JP2002369172A JP2004126496A (en) | 2002-08-05 | 2002-12-20 | Optical unit and projection type video display device using optical unit |
GB0318218A GB2393266B (en) | 2002-08-05 | 2003-08-04 | Projection type image display apparatus with diffractive reflection polariser |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0424535D0 GB0424535D0 (en) | 2004-12-08 |
GB2405954A GB2405954A (en) | 2005-03-16 |
GB2405954B true GB2405954B (en) | 2005-11-23 |
Family
ID=34222019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0424535A Expired - Fee Related GB2405954B (en) | 2002-08-05 | 2003-08-04 | Projection image display apparatus with diffractive reflection polariser and astigmatism corrector |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2405954B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113654997B (en) * | 2021-08-31 | 2022-07-05 | 北京理工大学 | High-resolution-high-precision Stokes-Mueller imager and calibration method thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002100115A1 (en) * | 2001-06-02 | 2002-12-12 | Koninklijke Philips Electronics N.V. | Digital image projector with oriented fixed-polarization-axis polarizing beamsplitter |
-
2003
- 2003-08-04 GB GB0424535A patent/GB2405954B/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002100115A1 (en) * | 2001-06-02 | 2002-12-12 | Koninklijke Philips Electronics N.V. | Digital image projector with oriented fixed-polarization-axis polarizing beamsplitter |
Also Published As
Publication number | Publication date |
---|---|
GB2405954A (en) | 2005-03-16 |
GB0424535D0 (en) | 2004-12-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20080804 |