JPH02148126U - - Google Patents
Info
- Publication number
- JPH02148126U JPH02148126U JP5791689U JP5791689U JPH02148126U JP H02148126 U JPH02148126 U JP H02148126U JP 5791689 U JP5791689 U JP 5791689U JP 5791689 U JP5791689 U JP 5791689U JP H02148126 U JPH02148126 U JP H02148126U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- display device
- voltage
- contrast
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Liquid Crystal Display Device Control (AREA)
Description
第１図は本考案の原理図、第２図は本考案の動
作説明図、第３図は本考案の第１実施例の構成図
、第４図は本考案の第２実施例の構成図である。
図中、１……液晶表示器、２……角度検出手段
、３……電圧制御手段である。
Fig. 1 is a diagram of the principle of the present invention, Fig. 2 is an explanatory diagram of the operation of the present invention, Fig. 3 is a block diagram of the first embodiment of the present invention, and Fig. 4 is a block diagram of the second embodiment of the present invention. It is. In the figure, 1...liquid crystal display, 2...angle detection means, 3...voltage control means.
Claims (1)
となる視野角が変化する液晶表示器１と、 該液晶表示器１の傾斜角を検出する角度検出手
段２と、 該液晶表示器１に駆動電圧を印加する電圧制御
手段３とを備え、 該電圧制御手段３は前記角度検出手段２で検出
された傾斜角に基づいて駆動電圧を可変し、定位
置の視点に対するコントラストを常に最大に調整
するようにしてなることを特徴とする液晶駆動制
御装置。[Claims for Utility Model Registration] A liquid crystal display device 1 whose viewing angle at which contrast is maximized changes by changing a driving voltage; An angle detection means 2 which detects the tilt angle of the liquid crystal display device 1; and the liquid crystal display device. and a voltage control means 3 for applying a drive voltage to the device 1, and the voltage control means 3 varies the drive voltage based on the tilt angle detected by the angle detection means 2, and constantly maintains the contrast with respect to the viewpoint at a fixed position. A liquid crystal drive control device characterized in that it is adjusted to a maximum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5791689U JPH02148126U (en) | 1989-05-19 | 1989-05-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5791689U JPH02148126U (en) | 1989-05-19 | 1989-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02148126U true JPH02148126U (en) | 1990-12-17 |
Family
ID=31583060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5791689U Pending JPH02148126U (en) | 1989-05-19 | 1989-05-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02148126U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6231826A (en) * | 1985-08-02 | 1987-02-10 | Hitachi Ltd | Liquid crystal displaying device |
| JPS6219630B2 (en) * | 1981-08-05 | 1987-04-30 | Hitachi Plant Eng & Constr Co | |
| JPS646928A (en) * | 1987-06-30 | 1989-01-11 | Nec Corp | Liquid crystal display device |
-
1989
- 1989-05-19 JP JP5791689U patent/JPH02148126U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6219630B2 (en) * | 1981-08-05 | 1987-04-30 | Hitachi Plant Eng & Constr Co | |
| JPS6231826A (en) * | 1985-08-02 | 1987-02-10 | Hitachi Ltd | Liquid crystal displaying device |
| JPS646928A (en) * | 1987-06-30 | 1989-01-11 | Nec Corp | Liquid crystal display device |