JPS6410726U - - Google Patents
Info
- Publication number
- JPS6410726U JPS6410726U JP10574387U JP10574387U JPS6410726U JP S6410726 U JPS6410726 U JP S6410726U JP 10574387 U JP10574387 U JP 10574387U JP 10574387 U JP10574387 U JP 10574387U JP S6410726 U JPS6410726 U JP S6410726U
- Authority
- JP
- Japan
- Prior art keywords
- scan electrode
- electrode drive
- drive circuit
- liquid crystal
- scan
- 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 4
- 239000011159 matrix material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Liquid Crystal Display Device Control (AREA)
Description
図面は本考案の一実施例を示すもので、第１図
は全体の概略構成を示すブロツク図、第２図は第
１及び第２のコモン電極駆動回路とコモン電極と
の接続関係を示す図、第３図はコモン電極駆動回
路の詳細を示す図、第４図は第１及び第２のコモ
ン電極駆動回路と供給電源との対応関係を示す図
、第５図はコモン電極駆動回路の動作を説明する
ためのタイミングチヤートである。
６……セグメント電極駆動回路、７ａ……第１
のコモン電極駆動回路、７ｂ……第２のコモン電
極駆動回路、８……液晶駆動電圧発生回路、９…
ＬＣＤパネル、１１……走査タイミング信号発生
部、１２……駆動回路部、１３ａ……選択ライン
、１３ｂ……非選択ライン、１４，１６１〜１６
ｎ……レベルシフタ。
The drawings show one embodiment of the present invention; FIG. 1 is a block diagram showing the overall schematic configuration, and FIG. 2 is a diagram showing the connection relationship between the first and second common electrode drive circuits and the common electrode. , Fig. 3 is a diagram showing details of the common electrode drive circuit, Fig. 4 is a diagram showing the correspondence between the first and second common electrode drive circuits and the power supply, and Fig. 5 is a diagram showing the operation of the common electrode drive circuit. This is a timing chart to explain. 6... Segment electrode drive circuit, 7a... First
common electrode drive circuit, 7b...second common electrode drive circuit, 8...liquid crystal drive voltage generation circuit, 9...
LCD panel, 11...Scanning timing signal generation section, 12...Drive circuit section, 13a...Selection line, 13b...Non-selection line, 14, 16 1 to 16
n...Level shifter.
Claims (1)
装置において、複数の走査電極を順次選択駆動す
る第１の走査電極駆動回路と、この第１の走査電
極駆動回路と同一の走査電極を共有して駆動する
第２の走査電極駆動回路とを具備し、上記第１及
び第２の走査電極駆動回路は、基準電圧を中心に
互に正負をなす電圧で共有走査電極を交互に駆動
するように動作設定されることを特徴とする液晶
駆動装置。 In a liquid crystal drive device that drives a liquid crystal display panel in a matrix manner, a first scan electrode drive circuit sequentially selectively drives a plurality of scan electrodes, and a second scan electrode drive circuit that drives a plurality of scan electrodes by sharing the same scan electrode as the first scan electrode drive circuit. 2 scan electrode drive circuits, and the first and second scan electrode drive circuits are set to operate so as to alternately drive the shared scan electrodes with voltages that are positive and negative with respect to a reference voltage. A liquid crystal drive device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10574387U JPS6410726U (en) | 1987-07-09 | 1987-07-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10574387U JPS6410726U (en) | 1987-07-09 | 1987-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6410726U true JPS6410726U (en) | 1989-01-20 |
Family
ID=31338632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10574387U Pending JPS6410726U (en) | 1987-07-09 | 1987-07-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6410726U (en) |
-
1987
- 1987-07-09 JP JP10574387U patent/JPS6410726U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0228873B2 (en) | ||
| JPH052208B2 (en) | ||
| JPS6410726U (en) | ||
| JPH0275623U (en) | ||
| JP3690076B2 (en) | Liquid crystal display device | |
| JPH04171481A (en) | Lcd driving apparatus | |
| JP2000020033A (en) | Liquid crystal display device | |
| JPS6360195U (en) | ||
| JP4288849B2 (en) | Active matrix display device and portable terminal using the same | |
| JPH0210586U (en) | ||
| JPS6185897U (en) | ||
| JPS6382228U (en) | ||
| JPH036626U (en) | ||
| JPH07244469A (en) | Active matrix type liquid crystal display | |
| JPH0258792U (en) | ||
| JPH0179023U (en) | ||
| JPS6384124U (en) | ||
| JPH0244723U (en) | ||
| KR200184303Y1 (en) | Liquid crystal display device | |
| JPS63200891U (en) | ||
| JP2691531B2 (en) | Driving method of matrix display device | |
| JPS6266475U (en) | ||
| JPH09166968A (en) | Liquid crystal display device | |
| JPS6396592U (en) | ||
| JPS58128488U (en) | LCD drive device |