JPS54114100A - Liquid crystal display unit - Google Patents
Liquid crystal display unitInfo
- Publication number
- JPS54114100A JPS54114100A JP2055678A JP2055678A JPS54114100A JP S54114100 A JPS54114100 A JP S54114100A JP 2055678 A JP2055678 A JP 2055678A JP 2055678 A JP2055678 A JP 2055678A JP S54114100 A JPS54114100 A JP S54114100A
- Authority
- JP
- Japan
- Prior art keywords
- pattern
- liquid crystal
- plate
- light
- deflecting
- 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 prevent the vignette of the pattern by setting the space between the TN liquid crystal layer and the surface of the reflecting plate to 100μ or less.
CONSTITUTION: A pair of upper and lower deflecting plate 15 and 16 form the DC deflecting field, and thus the light given from light source 18 transmits through the deflecting plates and then reaches viewer 19 after being reflected by reflecting plate 17. When the voltage is applied to part 20 of TN liquid crystal 13, the transmitted light of part 20 is erased and thus the pattern is observed. Generally, the light source and the viewer are positioned at different places to the reflecting plate, and accordingly shadow 21 of the pattern as well as pattern 20 can be observed at the shifted positions to each other to disturb the display. To get rid of the disturbance, the distance between liquid crystal 13 and plate 17 is reduced. With the thickness of about 200μ for the lower glass plate, the pattern overlaps its shadow imperfectly to impair the observation of the display. Thus, the thickness is reduced approximately to 100μ or less to secure a perfect coincidence between the pattern and its shadow. As a result, a sufficiently high contrast is obtained even with use of the light-colored deflecting plate featuring a small light erasion rate, thus obtaining a bright display screen and a thick viewfield angle.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2055678A JPS54114100A (en) | 1978-02-24 | 1978-02-24 | Liquid crystal display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2055678A JPS54114100A (en) | 1978-02-24 | 1978-02-24 | Liquid crystal display unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS54114100A true JPS54114100A (en) | 1979-09-05 |
Family
ID=12030423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2055678A Pending JPS54114100A (en) | 1978-02-24 | 1978-02-24 | Liquid crystal display unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54114100A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022044604A1 (en) * | 2020-08-27 | 2022-03-03 | 日東電工株式会社 | Dyed triacetyl cellulose film, polarizing plate using said film, method for producing polarizing plate, polarizing plate with retardation layer, image display device and image adjustment method for image display device |
-
1978
- 1978-02-24 JP JP2055678A patent/JPS54114100A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022044604A1 (en) * | 2020-08-27 | 2022-03-03 | 日東電工株式会社 | Dyed triacetyl cellulose film, polarizing plate using said film, method for producing polarizing plate, polarizing plate with retardation layer, image display device and image adjustment method for image display device |
| JP2022038844A (en) * | 2020-08-27 | 2022-03-10 | 日東電工株式会社 | Dyed triacetyl cellulose film, polarizing plate using the same, method of manufacturing polarizing plate, polarizing plate with retardation layer, image display device, and image adjustment method for image display device |
| CN116097332A (en) * | 2020-08-27 | 2023-05-09 | 日东电工株式会社 | Dyed cellulose triacetate film, polarizing plate using the same, method for producing polarizing plate, polarizing plate with retardation layer, image display device, and method for adjusting image of image display device |
| CN116097332B (en) * | 2020-08-27 | 2023-10-27 | 日东电工株式会社 | Dyed cellulose triacetate film, polarizing plate using the same, method for producing polarizing plate, polarizing plate with retardation layer, image display device, and method for adjusting image of image display device |
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