JPH0253095U - - Google Patents
Info
- Publication number
- JPH0253095U JPH0253095U JP13255988U JP13255988U JPH0253095U JP H0253095 U JPH0253095 U JP H0253095U JP 13255988 U JP13255988 U JP 13255988U JP 13255988 U JP13255988 U JP 13255988U JP H0253095 U JPH0253095 U JP H0253095U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- predetermined period
- drive circuit
- common voltage
- polarity switched
- 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
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Liquid Crystal Display Device Control (AREA)
- Transforming Electric Information Into Light Information (AREA)
Description
第１図はこの考案の一実施例を示す回路構成図
、第２図は同実施例の映像信号とコモン電圧の関
係を説明するための図、第３図ａ，ｂは同実施例
の映像信号上のデータとコモン電圧の関係を説明
するための図、第４図ａ，ｂは従来の液晶駆動回
路での映像信号とコモン電圧の関係を説明するた
めの図、第５図ａ，ｂは同回路での映像信号上の
データとコモン電圧の関係を説明するための図で
ある。
１１……可変抵抗、１４，１５……アナログス
イツチ、１６……インバータ、１７……積分回路
、１８……可変抵抗、１９……コンデンサ、２１
……映像信号、２２……コモン電圧。
Fig. 1 is a circuit configuration diagram showing an embodiment of this invention, Fig. 2 is a diagram for explaining the relationship between the video signal and common voltage of the same embodiment, and Fig. 3 a and b are images of the same embodiment. Figures 4a and 4b are diagrams for explaining the relationship between signal data and common voltage. Figures 5a and b are diagrams for explaining the relationship between video signals and common voltage in a conventional liquid crystal drive circuit. is a diagram for explaining the relationship between the data on the video signal and the common voltage in the same circuit. 11... Variable resistor, 14, 15... Analog switch, 16... Inverter, 17... Integrating circuit, 18... Variable resistor, 19... Capacitor, 21
...Video signal, 22...Common voltage.
Claims (1)
置を駆動する液晶駆動回路において、所定期間毎
に極性を切替えて与えられる映像信号に対して上
記所定期間毎に極性を切替えて印加されるコモン
電圧を積分する積分手段を具備したことを特徴と
する液晶駆動回路。 In a liquid crystal drive circuit that drives an active matrix drive type liquid crystal display device, an integral that integrates a common voltage that is applied with the polarity switched every predetermined period with respect to a video signal that is applied with the polarity switched every predetermined period. A liquid crystal drive circuit characterized by comprising means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13255988U JPH0253095U (en) | 1988-10-11 | 1988-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13255988U JPH0253095U (en) | 1988-10-11 | 1988-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0253095U true JPH0253095U (en) | 1990-04-17 |
Family
ID=31389629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13255988U Pending JPH0253095U (en) | 1988-10-11 | 1988-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0253095U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6066236A (en) * | 1983-09-21 | 1985-04-16 | Canon Inc | Driving method of liquid crystal display panel |
-
1988
- 1988-10-11 JP JP13255988U patent/JPH0253095U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6066236A (en) * | 1983-09-21 | 1985-04-16 | Canon Inc | Driving method of liquid crystal display panel |
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