JPS6133091U - liquid crystal display device - Google Patents
liquid crystal display deviceInfo
- Publication number
- JPS6133091U JPS6133091U JP11166684U JP11166684U JPS6133091U JP S6133091 U JPS6133091 U JP S6133091U JP 11166684 U JP11166684 U JP 11166684U JP 11166684 U JP11166684 U JP 11166684U JP S6133091 U JPS6133091 U JP S6133091U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- display device
- crystal display
- circuit
- 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
Landscapes
- Liquid Crystal Display Device Control (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、本考案の一実施例の回路図、第２図は従来の
液晶表示装置の回路図、第３図はＬＣＤ駆動波形図、第
４図は抵抗分割回路に並列にコンデンサを挿入した回路
図、第５図は抵抗分割回路と駆動回路の間にボルテージ
フオロワーを挿入した回路図である。
１・・・高電位電源、，２・・・低電位電源、３，４，
５， ６， ７・・・抵抗、８， ９， １０，
１１， １２，１３・・・分割された電位、１４・
・・駆動回路、１５・・・ＬＣＤドットマトリクス、１
６・・・コンデ′ンサ、２０・・・演算増巾器、２１・
・・同相入力端子、２２・・・逆相入力端子、２３・・
・演算増巾器出力端子、３０・・・抵抗、３１・・・コ
ンデンサ。Fig. 1 is a circuit diagram of an embodiment of the present invention, Fig. 2 is a circuit diagram of a conventional liquid crystal display device, Fig. 3 is an LCD drive waveform diagram, and Fig. 4 is a capacitor inserted in parallel with a resistor divider circuit. The circuit diagram shown in FIG. 5 is a circuit diagram in which a voltage follower is inserted between the resistance divider circuit and the drive circuit. 1...High potential power supply, 2...Low potential power supply, 3, 4,
5, 6, 7...Resistance, 8, 9, 10,
11, 12, 13...divided potential, 14.
...Drive circuit, 15...LCD dot matrix, 1
6... Capacitor, 20... Arithmetic amplifier, 21.
...In-phase input terminal, 22...Negative-phase input terminal, 23...
- Arithmetic amplifier output terminal, 30...resistor, 31...capacitor.
Claims (1)
路と、該分割された電圧を演算増巾器の同相入力端子に
入力し、逆』入力端子を出力端子に接続したボルテージ
フオロワ回路と、該ボルテージフオロワ回路の出力に接
続される駆動回路とを有した液晶表示装置において前記
ボルテージフオロワ回路の出力と抵抗を介して前記駆動
回路に供給することを特徴とする液晶表示装置。A resistance divider circuit that divides the resistance between a high potential power source and a low potential power source, and a voltage follower circuit that inputs the divided voltage to the in-phase input terminal of an operational amplifier and connects the inverse input terminal to the output terminal. and a drive circuit connected to the output of the voltage follower circuit, wherein the voltage is supplied to the drive circuit via the output of the voltage follower circuit and a resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11166684U JPS6133091U (en) | 1984-07-25 | 1984-07-25 | liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11166684U JPS6133091U (en) | 1984-07-25 | 1984-07-25 | liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6133091U true JPS6133091U (en) | 1986-02-28 |
Family
ID=30670738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11166684U Pending JPS6133091U (en) | 1984-07-25 | 1984-07-25 | liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6133091U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996002865A1 (en) * | 1994-07-14 | 1996-02-01 | Seiko Epson Corporation | Power source circuit, liquid crystal display device, and electronic device |
| US5986649A (en) * | 1995-01-11 | 1999-11-16 | Seiko Epson Corporation | Power circuit, liquid crystal display device, and electronic equipment |
| JP2006313306A (en) * | 2005-05-02 | 2006-11-16 | Samsung Sdi Co Ltd | Gamma reference voltage generation circuit and flat display having the same |
| JP2017058578A (en) * | 2015-09-18 | 2017-03-23 | ラピスセミコンダクタ株式会社 | Display driver |
-
1984
- 1984-07-25 JP JP11166684U patent/JPS6133091U/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996002865A1 (en) * | 1994-07-14 | 1996-02-01 | Seiko Epson Corporation | Power source circuit, liquid crystal display device, and electronic device |
| US5986649A (en) * | 1995-01-11 | 1999-11-16 | Seiko Epson Corporation | Power circuit, liquid crystal display device, and electronic equipment |
| US6317122B1 (en) | 1995-01-11 | 2001-11-13 | Seiko Epson Corporation | Power circuit, liquid crystal display device, and electronic equipment |
| JP2006313306A (en) * | 2005-05-02 | 2006-11-16 | Samsung Sdi Co Ltd | Gamma reference voltage generation circuit and flat display having the same |
| JP2017058578A (en) * | 2015-09-18 | 2017-03-23 | ラピスセミコンダクタ株式会社 | Display driver |
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