JPS5764727A - Liquid crystal light bulb - Google Patents
Liquid crystal light bulbInfo
- Publication number
- JPS5764727A JPS5764727A JP428381A JP428381A JPS5764727A JP S5764727 A JPS5764727 A JP S5764727A JP 428381 A JP428381 A JP 428381A JP 428381 A JP428381 A JP 428381A JP S5764727 A JPS5764727 A JP S5764727A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- light bulb
- frequency
- substrates
- active agent
- 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.)
- Pending
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
- G02F1/137—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
- G02F1/139—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 orientation effects in which the liquid crystal remains transparent
- G02F1/1392—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 orientation effects in which the liquid crystal remains transparent using a field-induced sign-reversal of the dielectric anisotropy
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Liquid Crystal (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal Substances (AREA)
Abstract
PURPOSE:To obtain a liquid crystal light bulb of high responce by adding a specific optical active agent to a nematic liquid crystal that produces dielectric relaxation at low frequency and applying a signal of the higher (fh) and lower (fl) frequency than crossing frequency (fc) with switching over. CONSTITUTION:A liquid crystal layer 14 which is added with 0.5-10wt% an optical active agent such as 4-(2-methyl isobutyl)-4'-cyano Bi-phenyl to a nematic liquid crystal having the fc not greater than 100Hz at normal temperature when its dielectric anisotropy comes to 0 is sealed between substrates 11, 12 to which horizontal orientations cutting to each other at right angles have been applied, and a polarizing plate whose polarizing planes cut to each other at right angles is provided outside the substrates 11, 12. For liquid crystal components, the synchronization of the spiral particle array is to be within the range between 1/3-2 times of the interval between the both substrate 11 and 12. Through applying the fl as a write cycle alternately with fh every specied period for between the electrodes for displays 17, 17-1, 17-2 and a common electrode 16, the deivce is made suitable for a write device for optical printer as a high speed light bulb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP428381A JPS5764727A (en) | 1981-01-14 | 1981-01-14 | Liquid crystal light bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP428381A JPS5764727A (en) | 1981-01-14 | 1981-01-14 | Liquid crystal light bulb |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55141085A Division JPS6042456B2 (en) | 1980-10-08 | 1980-10-08 | lcd light bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5764727A true JPS5764727A (en) | 1982-04-20 |
Family
ID=11580200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP428381A Pending JPS5764727A (en) | 1981-01-14 | 1981-01-14 | Liquid crystal light bulb |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5764727A (en) |
-
1981
- 1981-01-14 JP JP428381A patent/JPS5764727A/en active Pending
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