CH504822A - Image display device with auxiliary light source - Google Patents

Image display device with auxiliary light source

Info

Publication number
CH504822A
CH504822A CH369970A CH369970A CH504822A CH 504822 A CH504822 A CH 504822A CH 369970 A CH369970 A CH 369970A CH 369970 A CH369970 A CH 369970A CH 504822 A CH504822 A CH 504822A
Authority
CH
Switzerland
Prior art keywords
display device
light source
image display
auxiliary light
auxiliary
Prior art date
Application number
CH369970A
Other languages
German (de)
Inventor
Koelmans Hein
Original Assignee
Philips Nv
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
Application filed by Philips Nv filed Critical Philips Nv
Publication of CH504822A publication Critical patent/CH504822A/en

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
    • G02F1/135—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
CH369970A 1969-03-15 1970-03-12 Image display device with auxiliary light source CH504822A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6904046A NL6904046A (en) 1969-03-15 1969-03-15

Publications (1)

Publication Number Publication Date
CH504822A true CH504822A (en) 1971-03-15

Family

ID=19806427

Family Applications (1)

Application Number Title Priority Date Filing Date
CH369970A CH504822A (en) 1969-03-15 1970-03-12 Image display device with auxiliary light source

Country Status (5)

Country Link
BE (1) BE747378A (en)
CH (1) CH504822A (en)
FR (1) FR2037204B1 (en)
GB (1) GB1253325A (en)
NL (1) NL6904046A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5611392A (en) * 1979-07-11 1981-02-04 Fuji Photo Film Co Ltd Method and device for converting radiation image
US5268763A (en) * 1988-05-10 1993-12-07 Victor Company Of Japan, Ltd. Apparatus for recording a charge latent image on a medium and for producing color signals from the charge latent image
US5260796A (en) * 1988-05-10 1993-11-09 Victor Company Of Japan, Ltd. Apparatus detecting distribution of surface potential on a medium holding charge latent image

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144417B (en) * 1957-08-29 1963-02-28 Zeiss Ikon Ag Image amplifiers as well as possible uses of the same

Also Published As

Publication number Publication date
NL6904046A (en) 1970-09-17
DE2011575A1 (en) 1970-10-01
FR2037204A1 (en) 1970-12-31
DE2011575B2 (en) 1975-10-23
FR2037204B1 (en) 1975-07-04
GB1253325A (en) 1971-11-10
BE747378A (en) 1970-09-14

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Legal Events

Date Code Title Description
PL Patent ceased