CA937664A - Liquid crystal display assembly having independent contrast and speed of response controls - Google Patents

Liquid crystal display assembly having independent contrast and speed of response controls

Info

Publication number
CA937664A
CA937664A CA056268A CA56268A CA937664A CA 937664 A CA937664 A CA 937664A CA 056268 A CA056268 A CA 056268A CA 56268 A CA56268 A CA 56268A CA 937664 A CA937664 A CA 937664A
Authority
CA
Canada
Prior art keywords
speed
liquid crystal
crystal display
display assembly
response controls
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
CA056268A
Inventor
H. Heilmeier George
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA937664A publication Critical patent/CA937664A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/12—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by switched stationary formation of lamps, photocells or light relays
    • H04N3/127—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by switched stationary formation of lamps, photocells or light relays using liquid crystals
    • 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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/13743—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on electrohydrodynamic instabilities or domain formation in liquid crystals
    • G02F1/1375—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on electrohydrodynamic instabilities or domain formation in liquid crystals using dynamic scattering

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Indicating Measured Values (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal Substances (AREA)
CA056268A 1968-07-31 1969-07-05 Liquid crystal display assembly having independent contrast and speed of response controls Expired CA937664A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74905868A 1968-07-31 1968-07-31

Publications (1)

Publication Number Publication Date
CA937664A true CA937664A (en) 1973-11-27

Family

ID=25012055

Family Applications (1)

Application Number Title Priority Date Filing Date
CA056268A Expired CA937664A (en) 1968-07-31 1969-07-05 Liquid crystal display assembly having independent contrast and speed of response controls

Country Status (9)

Country Link
JP (1) JPS4823456B1 (en)
BE (1) BE736824A (en)
CA (1) CA937664A (en)
DE (1) DE1938764B2 (en)
ES (1) ES369888A1 (en)
FR (1) FR2014788A1 (en)
GB (1) GB1276523A (en)
NL (1) NL6911634A (en)
SE (1) SE359177B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2058104C2 (en) * 1970-11-26 1987-01-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Liq. crystal seven-segment display - has conductive spacers connecting outer metallisation regions on base layer to upper electrode
JPS5114434B1 (en) * 1971-07-29 1976-05-10
DE2151401C2 (en) * 1971-10-15 1982-03-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Liquid crystal matrix display unit - has control signal timing determined to avoid generation of cross effect
FR2275087A1 (en) * 1974-06-14 1976-01-09 Thomson Csf BLACK AND WHITE IMAGE REPRODUCTION DEVICE USING A MATERIAL WITH A SMECTIC PHASE AND TELETRANSMISSION AND TELEPHOTOOGRAPHY SYSTEM IMPLEMENTING THIS DEVICE
JPS58142686A (en) * 1982-02-18 1983-08-24 Casio Comput Co Ltd Liquid crystal television receiver

Also Published As

Publication number Publication date
SE359177B (en) 1973-08-20
ES369888A1 (en) 1971-12-01
BE736824A (en) 1969-12-31
NL6911634A (en) 1970-02-03
DE1938764B2 (en) 1972-02-17
FR2014788A1 (en) 1970-04-17
JPS4823456B1 (en) 1973-07-13
DE1938764A1 (en) 1970-09-03
GB1276523A (en) 1972-06-01

Similar Documents

Publication Publication Date Title
CA981778A (en) Liquid crystal display
CA1003073A (en) Liquid crystal display device
CA938017A (en) Liquid crystal color display
CA944049A (en) Color display employing liquid crystal
CA1004316A (en) Liquid crystal display
CA921995A (en) Liquid crystal display device
CA934865A (en) Liquid crystal display device
CA931768A (en) Solid state timepiece with liquid crystal display
CA937312A (en) Liquid crystal display device
CA930069A (en) Liquid crystal mirror
CA920241A (en) Liquid crystal-photoconductor display screen
CA1008548A (en) Liquid crystal display system
CA937291A (en) Turn-off method and circuit for liquid crystal display element
CA960330A (en) Liquid crystal display device
CA994889A (en) Liquid crystal display
CA937664A (en) Liquid crystal display assembly having independent contrast and speed of response controls
CA929612A (en) Liquid crystal electro-optical modulators
CA959531A (en) Display device and method of making the same
CA1003528A (en) Liquid-crystal electro-optical display device and method
AU437459B2 (en) Liquid crystal display assembly having independent contrast and speed of response controls
CA1019557A (en) Liquid crystal display device
AU5866469A (en) Liquid crystal display assembly having independent contrast and speed of response controls
CA995783A (en) Liquid crystal display device
CA989507A (en) Liquid crystal display device
CA948591A (en) Display device and method of merchandising and inventory control