JPS55140818A - Phase transition type liquid crystal display device and its manufacture - Google Patents
Phase transition type liquid crystal display device and its manufactureInfo
- Publication number
- JPS55140818A JPS55140818A JP4930379A JP4930379A JPS55140818A JP S55140818 A JPS55140818 A JP S55140818A JP 4930379 A JP4930379 A JP 4930379A JP 4930379 A JP4930379 A JP 4930379A JP S55140818 A JPS55140818 A JP S55140818A
- Authority
- JP
- Japan
- Prior art keywords
- crystal
- light scattering
- liq
- state
- display device
- 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.)
- Granted
Links
Landscapes
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
PURPOSE: To obtain a negative type display device requiring an electric field applying means only at the display pattern section by using a light scattering accumulation state resulting from thermo-optical effect at the background of display.
CONSTITUTION: Transparent electrode 2 and oriented film 5 are formed on glass substrate 1. Nematic-cholesteric mixed liq. crystals 4a, 4b are held between a pair of substrates 1, heated once to the transition temp. to the liq. phase or above, and cooled to ordinary temp. to obtain the title device. Crystals 4a, 4b are the same liq. crystal, yet the portion between electrodes 2, 2 is regarded as crystal 4b, and the other portion as crystal 4a. The portion of crystal 4a is maintained at a light scattering accumulation state, and by applying a voltage crystal 4b of the voltage-applied portion becomes of a focal conical light scattering state. By suitably selecting the oriented film and the liq. crystal composition, however, the above-mentioned light scattering states can be made alike to each other, and negative type display can be accomplished at a transparent state using the light scattering state as the background.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54049303A JPS5842446B2 (en) | 1979-04-20 | 1979-04-20 | Phase change type liquid crystal display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54049303A JPS5842446B2 (en) | 1979-04-20 | 1979-04-20 | Phase change type liquid crystal display device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55140818A true JPS55140818A (en) | 1980-11-04 |
JPS5842446B2 JPS5842446B2 (en) | 1983-09-20 |
Family
ID=12827164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54049303A Expired JPS5842446B2 (en) | 1979-04-20 | 1979-04-20 | Phase change type liquid crystal display device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5842446B2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58153936A (en) * | 1982-03-08 | 1983-09-13 | Dainippon Printing Co Ltd | Image processing method |
JPS61252529A (en) * | 1985-05-01 | 1986-11-10 | Csk Corp | Liquid crystal memory |
JPS61252530A (en) * | 1985-05-01 | 1986-11-10 | Csk Corp | Electrode construction for liquid crystal memory |
JPS6378127A (en) * | 1986-09-20 | 1988-04-08 | Fujitsu Ltd | Phase transition type liquid crystal element |
JPS63106623A (en) * | 1986-10-23 | 1988-05-11 | Fujitsu Ltd | Liquid crystal display element |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4871660A (en) * | 1971-12-28 | 1973-09-27 | ||
JPS5210693A (en) * | 1975-07-16 | 1977-01-27 | Matsushita Electric Ind Co Ltd | Crystalline liquid indicator |
JPS5371074U (en) * | 1976-11-17 | 1978-06-14 |
-
1979
- 1979-04-20 JP JP54049303A patent/JPS5842446B2/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4871660A (en) * | 1971-12-28 | 1973-09-27 | ||
JPS5210693A (en) * | 1975-07-16 | 1977-01-27 | Matsushita Electric Ind Co Ltd | Crystalline liquid indicator |
JPS5371074U (en) * | 1976-11-17 | 1978-06-14 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58153936A (en) * | 1982-03-08 | 1983-09-13 | Dainippon Printing Co Ltd | Image processing method |
JPS61252529A (en) * | 1985-05-01 | 1986-11-10 | Csk Corp | Liquid crystal memory |
JPS61252530A (en) * | 1985-05-01 | 1986-11-10 | Csk Corp | Electrode construction for liquid crystal memory |
JPS6378127A (en) * | 1986-09-20 | 1988-04-08 | Fujitsu Ltd | Phase transition type liquid crystal element |
JPS63106623A (en) * | 1986-10-23 | 1988-05-11 | Fujitsu Ltd | Liquid crystal display element |
Also Published As
Publication number | Publication date |
---|---|
JPS5842446B2 (en) | 1983-09-20 |
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