JPS6279224U - - Google Patents
Info
- Publication number
- JPS6279224U JPS6279224U JP17021785U JP17021785U JPS6279224U JP S6279224 U JPS6279224 U JP S6279224U JP 17021785 U JP17021785 U JP 17021785U JP 17021785 U JP17021785 U JP 17021785U JP S6279224 U JPS6279224 U JP S6279224U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- controlling
- crystal display
- display
- driving voltage
- 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 1
Description
第１図は本考案の一実施例の回路構成図である
。
１…照度検出部、２…液晶表示部、３…コント
ラスト電圧制御部、４…電源部。
FIG. 1 is a circuit diagram of an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Illuminance detection part, 2... Liquid crystal display part, 3... Contrast voltage control part, 4... Power supply part.
Claims (1)
部と、前記液晶表示器に供給する駆動電圧を制御
する手段を備え前記液晶表示器と電源部の間に前
記駆動電圧を制御する手段を介在させ、前記照度
検出部の出力にもとづいて前記駆動電圧を制御す
る手段により、前記液晶表示器の表示コントラス
トを制御するように構成することを特徴とする液
晶表示コントラスト自動調整装置。 The illuminance detection section detects the illuminance of the display surface of the liquid crystal display, and the means for controlling the driving voltage supplied to the liquid crystal display is provided, and the means for controlling the driving voltage is interposed between the liquid crystal display and the power supply section. and controlling the display contrast of the liquid crystal display by means of controlling the drive voltage based on the output of the illuminance detection section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17021785U JPS6279224U (en) | 1985-11-05 | 1985-11-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17021785U JPS6279224U (en) | 1985-11-05 | 1985-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6279224U true JPS6279224U (en) | 1987-05-21 |
Family
ID=31104741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17021785U Pending JPS6279224U (en) | 1985-11-05 | 1985-11-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6279224U (en) |
-
1985
- 1985-11-05 JP JP17021785U patent/JPS6279224U/ja active Pending