JPS63164725U - - Google Patents
Info
- Publication number
- JPS63164725U JPS63164725U JP5774387U JP5774387U JPS63164725U JP S63164725 U JPS63164725 U JP S63164725U JP 5774387 U JP5774387 U JP 5774387U JP 5774387 U JP5774387 U JP 5774387U JP S63164725 U JPS63164725 U JP S63164725U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- voltage
- section
- driving
- 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 8
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
Description
第１図は本考案の液晶表示装置の一実施例を示
すブロツク図、第２図は上記液晶表示装置の駆動
用電源の電圧関係を説明する模式図である。
１…液晶表示部、２…ＬＣＤドライバ、３…Ｃ
ＰＵ、５…外部電源、６…電圧測定回路、７…駆
動電圧選択手段、８…駆動用電源。
FIG. 1 is a block diagram showing an embodiment of the liquid crystal display device of the present invention, and FIG. 2 is a schematic diagram illustrating the voltage relationship of the power source for driving the liquid crystal display device. 1...Liquid crystal display section, 2...LCD driver, 3...C
PU, 5...external power supply, 6...voltage measurement circuit, 7...drive voltage selection means, 8...drive power supply.
Claims (1)
とこの駆動部を制御する制御部を有する液晶表示
装置において、 この液晶表示装置に給電を行なう外部電源の電
圧を測定する電圧測定手段と、上記制御部に設け
られ、上記電圧測定手段で測定された電圧値に応
じて予め設定された値の中から最適の駆動電圧値
を選択する駆動電圧選択手段と、上記外部電源か
ら給電され、上記駆動電圧選択手段で選択された
値の駆動電圧を上記駆動部に供給する駆動用電源
とを備えたことを特徴とする液晶表示装置。[Scope of Claim for Utility Model Registration] In a liquid crystal display device that has a liquid crystal display section, a drive section that drives the liquid crystal display section, and a control section that controls this drive section, the voltage of an external power supply that supplies power to the liquid crystal display device is a voltage measuring means for measuring; a driving voltage selecting means provided in the control section for selecting an optimum driving voltage value from preset values according to the voltage value measured by the voltage measuring means; A liquid crystal display device comprising: a driving power source that is supplied with power from an external power source and supplies a driving voltage of a value selected by the driving voltage selection means to the driving section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5774387U JPS63164725U (en) | 1987-04-15 | 1987-04-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5774387U JPS63164725U (en) | 1987-04-15 | 1987-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63164725U true JPS63164725U (en) | 1988-10-27 |
Family
ID=30887718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5774387U Pending JPS63164725U (en) | 1987-04-15 | 1987-04-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63164725U (en) |
-
1987
- 1987-04-15 JP JP5774387U patent/JPS63164725U/ja active Pending
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