JPS5920275U - Transmissive liquid crystal display device - Google Patents
Transmissive liquid crystal display deviceInfo
- Publication number
- JPS5920275U JPS5920275U JP11479682U JP11479682U JPS5920275U JP S5920275 U JPS5920275 U JP S5920275U JP 11479682 U JP11479682 U JP 11479682U JP 11479682 U JP11479682 U JP 11479682U JP S5920275 U JPS5920275 U JP S5920275U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- display device
- display element
- transmissive liquid
- 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
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、本考案の表示装置を自動車のインストルメン
トパネルに取付けた状態を示す図、第２図は、本考案の
表示装置の断面図、第３図は第２図の■−■線に沿う断
面図、第４図は本考案の表示装置の制御手段を示すブロ
ック図、そして第５図は本考案の表示装置のブロック図
を具体化した 、回路図である。
１・・・速度計、３・・・液晶表示素子、８，８′・・
・冷陰極管、１０・・・光センサ、１１・・・偏光板、
１４・・・モータ、１７・・・光センサ、１８・・・制
御回路、２１・・・外来光検知手段、２３・・・表示光
検知手段。
２５ ′ １２７ １
−
第５図
、１４Fig. 1 is a diagram showing the display device of the present invention installed on the instrument panel of an automobile, Fig. 2 is a sectional view of the display device of the present invention, and Fig. 3 is a view taken along the line ■-■ in Fig. 2. 4 is a block diagram showing the control means of the display device of the present invention, and FIG. 5 is a circuit diagram embodying the block diagram of the display device of the present invention. 1...Speedometer, 3...Liquid crystal display element, 8, 8'...
・Cold cathode tube, 10... optical sensor, 11... polarizing plate,
14... Motor, 17... Optical sensor, 18... Control circuit, 21... Extraneous light detection means, 23... Display light detection means. 25' 127 1 - Figure 5, 14
Claims (1)
示装置において、液晶表示素子とほぼ平行かつ回動自在
に偏光板を配設すると共に、液晶表示素子に入射する外
来光を検出する検出手段と、前記偏光板を回動させる回
動手段と、前記検出手段からの信号に基づいて表示の明
るさを外来光に対して所定の明るさに保つように偏光板
が回動するよう前記回動手段に信号を発する制御手段と
を備えたことを特徴とする透過型液晶表示装置。In a transmissive liquid crystal display device that includes a liquid crystal display element and a light source behind the liquid crystal display element, a polarizing plate is disposed substantially parallel to the liquid crystal display element and can be rotated, and detection detects external light incident on the liquid crystal display element. a rotating means for rotating the polarizing plate; and a rotating unit for rotating the polarizing plate so as to maintain display brightness at a predetermined brightness with respect to external light based on a signal from the detection means. 1. A transmissive liquid crystal display device comprising: a control means for emitting a signal to a rotation means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11479682U JPS5920275U (en) | 1982-07-30 | 1982-07-30 | Transmissive liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11479682U JPS5920275U (en) | 1982-07-30 | 1982-07-30 | Transmissive liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5920275U true JPS5920275U (en) | 1984-02-07 |
Family
ID=30265224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11479682U Pending JPS5920275U (en) | 1982-07-30 | 1982-07-30 | Transmissive liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5920275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07152026A (en) * | 1994-07-15 | 1995-06-16 | Seiko Epson Corp | Projection type display device |
-
1982
- 1982-07-30 JP JP11479682U patent/JPS5920275U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07152026A (en) * | 1994-07-15 | 1995-06-16 | Seiko Epson Corp | Projection type display device |
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