JPS6281993U - - Google Patents
Info
- Publication number
- JPS6281993U JPS6281993U JP17352485U JP17352485U JPS6281993U JP S6281993 U JPS6281993 U JP S6281993U JP 17352485 U JP17352485 U JP 17352485U JP 17352485 U JP17352485 U JP 17352485U JP S6281993 U JPS6281993 U JP S6281993U
- Authority
- JP
- Japan
- Prior art keywords
- display
- liquid crystal
- alternating current
- signal generating
- generating means
- 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
- 238000010586 diagram Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Liquid Crystal Display Device Control (AREA)
Description
第１図は本考案の一実施例を説明する液晶表示
器の等価回路図、第２図は本考案の方法である周
波数選択回路を説明する回路図、第３図は周波数
選択を説明するタイミング図である。
５……低周波発振回路、６……高周波発振回路
、７……スイツチ素子、８……周波数選択回路、
９……液晶表示部、１４……フリツプフロツプ。
Figure 1 is an equivalent circuit diagram of a liquid crystal display explaining one embodiment of the present invention, Figure 2 is a circuit diagram explaining a frequency selection circuit which is a method of the present invention, and Figure 3 is a timing diagram explaining frequency selection. It is a diagram. 5...Low frequency oscillation circuit, 6...High frequency oscillation circuit, 7...Switch element, 8...Frequency selection circuit,
9...Liquid crystal display section, 14...Flip-flop.
Claims (1)
、各々の画素に対応して各々の表示セルが選択さ
れる表示用駆動回路を有する液晶表示装置におい
て、低い周波数の交流信号発生手段と、高い周波
数の交流信号発生手段を設け、前記表示セル内に
該交流信号のいずれかを選択する手段を設け、表
示セル内の液晶表示部に対して常に交流駆動とな
るようにしたことを特徴とする液晶の自己リフレ
ツシユ回路。 In a liquid crystal display device having a display driving circuit in which a plurality of display cells are arranged in an array and each display cell is selected corresponding to each pixel, a low frequency AC signal generating means and a high frequency AC signal generating means are used. A frequency alternating current signal generating means is provided, and a means for selecting one of the alternating current signals is provided in the display cell, so that the liquid crystal display section in the display cell is always driven by alternating current. Liquid crystal self-refresh circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17352485U JPS6281993U (en) | 1985-11-13 | 1985-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17352485U JPS6281993U (en) | 1985-11-13 | 1985-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6281993U true JPS6281993U (en) | 1987-05-25 |
Family
ID=31111062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17352485U Pending JPS6281993U (en) | 1985-11-13 | 1985-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6281993U (en) |
-
1985
- 1985-11-13 JP JP17352485U patent/JPS6281993U/ja active Pending