JPS5674224A - Liquid crystal display device - Google Patents
Liquid crystal display deviceInfo
- Publication number
- JPS5674224A JPS5674224A JP15086079A JP15086079A JPS5674224A JP S5674224 A JPS5674224 A JP S5674224A JP 15086079 A JP15086079 A JP 15086079A JP 15086079 A JP15086079 A JP 15086079A JP S5674224 A JPS5674224 A JP S5674224A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- twist angle
- density
- angle
- host
- 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
Abstract
PURPOSE: To lower the driving voltage without degrading contrast much, by setting the angle between upper and lower substrates in the orientation direction to a specific angle and by setting the twist angle to 360° approximately, in the guest host type liquid crystal display device.
CONSTITUTION: Host liquid crystal molecules 3 and 5 near glass substrates 1 and 2 are directed toward walls in parallel with substrate surfaces, and middle liquid crystal molecules have the direction changed from host liquid crystal molecule 3 gradually and are rotated at 360° approximately and are connected to host liquid crystal molecule 5. Bicolor coloring matters 6 are twisted similary. Though the twist angle can be changed by changing the density of cholesteric liquid crystals, the driving voltage becomes high according to the density of cholesteric liquid crystals. Next, the contrast ratio is 3.2, 5.3 and 6.1 for twist angle 180°, 360°, and 540° respectively, and the contrast ratio is not changed considerably for 360° or more. Consequently, the horizontal orientation where the cholesteric liquid crystal density is 0.9W1.4% and the twist angle is 360°C is desirbale.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15086079A JPS5674224A (en) | 1979-11-21 | 1979-11-21 | Liquid crystal display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15086079A JPS5674224A (en) | 1979-11-21 | 1979-11-21 | Liquid crystal display device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5674224A true JPS5674224A (en) | 1981-06-19 |
Family
ID=15505953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15086079A Pending JPS5674224A (en) | 1979-11-21 | 1979-11-21 | Liquid crystal display device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5674224A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6141123A (en) * | 1984-08-01 | 1986-02-27 | Sharp Corp | Glare proof mirror of liquid crystal type |
-
1979
- 1979-11-21 JP JP15086079A patent/JPS5674224A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6141123A (en) * | 1984-08-01 | 1986-02-27 | Sharp Corp | Glare proof mirror of liquid crystal type |
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