AT322014B - METHOD FOR INCREASING THE VOLTAGE-DEPENDENT CONTROL SENSITIVITY OF A LIQUID CRYSTAL CELL - Google Patents
METHOD FOR INCREASING THE VOLTAGE-DEPENDENT CONTROL SENSITIVITY OF A LIQUID CRYSTAL CELLInfo
- Publication number
- AT322014B AT322014B AT668572A AT668572A AT322014B AT 322014 B AT322014 B AT 322014B AT 668572 A AT668572 A AT 668572A AT 668572 A AT668572 A AT 668572A AT 322014 B AT322014 B AT 322014B
- Authority
- AT
- Austria
- Prior art keywords
- voltage
- increasing
- liquid crystal
- crystal cell
- dependent control
- Prior art date
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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712138946 DE2138946B2 (en) | 1971-08-04 | 1971-08-04 | MODULATOR CIRCUIT TO ACHIEVE A STEEP LIGHT SCATTERING CURVE OF A LIQUID CRYSTAL CELL |
Publications (1)
Publication Number | Publication Date |
---|---|
AT322014B true AT322014B (en) | 1975-04-25 |
Family
ID=5815711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT668572A AT322014B (en) | 1971-08-04 | 1972-08-02 | METHOD FOR INCREASING THE VOLTAGE-DEPENDENT CONTROL SENSITIVITY OF A LIQUID CRYSTAL CELL |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT322014B (en) |
DE (1) | DE2138946B2 (en) |
FR (1) | FR2148144B3 (en) |
NL (1) | NL7210660A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4655561A (en) * | 1983-04-19 | 1987-04-07 | Canon Kabushiki Kaisha | Method of driving optical modulation device using ferroelectric liquid crystal |
JPS6152630A (en) * | 1984-08-22 | 1986-03-15 | Hitachi Ltd | Driving method of liquid crystal element |
-
1971
- 1971-08-04 DE DE19712138946 patent/DE2138946B2/en active Pending
-
1972
- 1972-08-01 FR FR7227667A patent/FR2148144B3/fr not_active Expired
- 1972-08-02 AT AT668572A patent/AT322014B/en not_active IP Right Cessation
- 1972-08-03 NL NL7210660A patent/NL7210660A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL7210660A (en) | 1973-02-06 |
FR2148144B3 (en) | 1975-09-12 |
DE2138946B2 (en) | 1973-06-20 |
FR2148144A1 (en) | 1973-03-11 |
DE2138946A1 (en) | 1973-02-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |