GB2024487B - Multicolour image projection system - Google Patents

Multicolour image projection system

Info

Publication number
GB2024487B
GB2024487B GB7920737A GB7920737A GB2024487B GB 2024487 B GB2024487 B GB 2024487B GB 7920737 A GB7920737 A GB 7920737A GB 7920737 A GB7920737 A GB 7920737A GB 2024487 B GB2024487 B GB 2024487B
Authority
GB
United Kingdom
Prior art keywords
projection system
image projection
multicolour image
multicolour
projection
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
Application number
GB7920737A
Other versions
GB2024487A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from IL55032A external-priority patent/IL55032A/en
Priority claimed from IL56403A external-priority patent/IL56403A/en
Application filed by Individual filed Critical Individual
Publication of GB2024487A publication Critical patent/GB2024487A/en
Application granted granted Critical
Publication of GB2024487B publication Critical patent/GB2024487B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/133621—Illuminating devices providing coloured light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F21S10/02—Lighting devices or systems producing a varying lighting effect changing colors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
    • 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
    • G02F1/133509—Filters, e.g. light shielding masks
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
    • 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
    • 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
    • H04N9/3144—Cooling systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
GB7920737A 1978-06-29 1979-06-14 Multicolour image projection system Expired GB2024487B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL55032A IL55032A (en) 1978-06-29 1978-06-29 Color picture display system including electronically controlled slides
IL56403A IL56403A (en) 1979-01-10 1979-01-10 Multicolor image or picture projecting system using electronically controlled slides

Publications (2)

Publication Number Publication Date
GB2024487A GB2024487A (en) 1980-01-09
GB2024487B true GB2024487B (en) 1982-07-07

Family

ID=26320710

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7920737A Expired GB2024487B (en) 1978-06-29 1979-06-14 Multicolour image projection system

Country Status (2)

Country Link
DE (1) DE2924101A1 (en)
GB (1) GB2024487B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380023A (en) * 1981-01-29 1983-04-12 Eastman Kodak Company Electronic imaging apparatus with light valve area arrays
DE3142664A1 (en) * 1981-10-28 1983-05-05 Andreas 2950 Leer Otten Device for generating images by means of electronically driven liquid-crystal arrays
JPS59117876A (en) * 1982-12-24 1984-07-07 Seiko Epson Corp Personal liquid crystal video display device
GB8624985D0 (en) * 1986-10-17 1986-11-19 Emi Plc Thorn Colour filter
FR2633425B1 (en) * 1988-06-28 1990-09-21 Morin Francois GIANT LIQUID CRYSTAL DISPLAY DEVICE
IL92555A0 (en) * 1989-12-05 1990-08-31 Michael Stalow Multilayer parallax-free liquid crystal device
DE4244448C2 (en) * 1992-12-23 1995-04-13 Krone Ag Method and arrangement for the optical representation of information
IT1280475B1 (en) * 1995-11-09 1998-01-20 Fiat Ricerche COLOR AND IMAGE SELECTIVE MICROFILTER DEVICES.
CN108185963A (en) * 2018-02-02 2018-06-22 广东浩喜电器科技有限公司 A kind of dish-washing machine shows structure

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3569614A (en) * 1969-04-10 1971-03-09 Thomas F Hanlon Liquid crystal color modulator for electronic imaging systems
CH539315A (en) * 1971-12-03 1973-07-15 Bbc Brown Boveri & Cie Information carriers for projection purposes
JPS5080799A (en) * 1973-11-13 1975-07-01
GB1488153A (en) * 1974-09-04 1977-10-05 Minnesota Mining & Mfg Projector

Also Published As

Publication number Publication date
GB2024487A (en) 1980-01-09
DE2924101A1 (en) 1980-01-10

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Legal Events

Date Code Title Description
711A Proceeding under section 117(1) patents act 1977
PCNP Patent ceased through non-payment of renewal fee