JPS5664317A - Reflection type tn liquid crystal display device - Google Patents
Reflection type tn liquid crystal display deviceInfo
- Publication number
- JPS5664317A JPS5664317A JP14024679A JP14024679A JPS5664317A JP S5664317 A JPS5664317 A JP S5664317A JP 14024679 A JP14024679 A JP 14024679A JP 14024679 A JP14024679 A JP 14024679A JP S5664317 A JPS5664317 A JP S5664317A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- display device
- crystal layer
- distance
- field direction
- 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
Landscapes
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
PURPOSE: To obtain a display device having no visual angle dependency by setting the priority visual field direction at a range within the 1st or 2nd quadrant, and approaching the distance between a liquid crystal layer and the reflection surface of a reflection plate.
CONSTITUTION: In order to eliminate the visual angle dependency of display contrast, the priority visual field direction is so set as to enter the range of the 1st or 2nd quadrant, preferably, from half past ten o'clock or half past one o'clock. In this case, the probability that a light source enters the priority visual field direction is high, and therefore a dark shadow is produced. Hereupon, external light sources are generally three-dimensional and since light enters from various directions, the shadows become multiple images and their contours blur. To prevent this, it is necessary to approach the distance between the liquid crystal layer 23 and the reflection surface to extremity. To this end, the substrate 22 and polarizing plate 25 are made as thin as possible. If the distance between the liquid crystal layer and the reflection surface is ≤250μ, the image and shadow substantially coincide and the blur of the shadow is no longer admitted. In this way, the display device having no visual angle dependency may be obtained.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14024679A JPS5664317A (en) | 1979-10-30 | 1979-10-30 | Reflection type tn liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14024679A JPS5664317A (en) | 1979-10-30 | 1979-10-30 | Reflection type tn liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5664317A true JPS5664317A (en) | 1981-06-01 |
Family
ID=15264306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14024679A Pending JPS5664317A (en) | 1979-10-30 | 1979-10-30 | Reflection type tn liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5664317A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4940146A (en) * | 1972-08-16 | 1974-04-15 | ||
| JPS512442A (en) * | 1974-06-25 | 1976-01-10 | Suwa Seikosha Kk | HYOJISOCHI |
-
1979
- 1979-10-30 JP JP14024679A patent/JPS5664317A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4940146A (en) * | 1972-08-16 | 1974-04-15 | ||
| JPS512442A (en) * | 1974-06-25 | 1976-01-10 | Suwa Seikosha Kk | HYOJISOCHI |
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