JPS63200891U - - Google Patents
Info
- Publication number
- JPS63200891U JPS63200891U JP9132587U JP9132587U JPS63200891U JP S63200891 U JPS63200891 U JP S63200891U JP 9132587 U JP9132587 U JP 9132587U JP 9132587 U JP9132587 U JP 9132587U JP S63200891 U JPS63200891 U JP S63200891U
- Authority
- JP
- Japan
- Prior art keywords
- shift register
- display panel
- shift
- image display
- register
- 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
- 238000010586 diagram Methods 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
第１図ないし第４図は本考案の一実施例を示す
もので、第１図はセグメント電極駆動回路の構成
を示すブロツク図、第２図は第１図における双方
向シフトレジスタの詳細を示す回路構成図、第３
図は上記双方向シフトレジスタのシフト動作を説
明するためのタイミングチヤート、第４図は液晶
表示パネルに対するセグメント電極駆動回路の配
置構成を示す図、第５図は従来における液晶表示
パネルのセグメント電極駆動回路の構成を示すブ
ロツク図、第６図は第５図のセグメント電極駆動
回路を用いた場合の液晶表示パネルに対する配置
構成を示す図である。
２１…液晶表示パネル、２２ａ…上部透明電極
部、２２ｂ…下部透明電極部、２３…セグメント
電極駆動回路、３１…双方向シフトレジスタ、３
２，３３…ゲート回路、３５…バツフア、３６…
階調信号作成回路、３７…２チヤンネル・アナロ
グ・マルチプレクサ。
Figures 1 to 4 show an embodiment of the present invention, with Figure 1 being a block diagram showing the configuration of a segment electrode drive circuit, and Figure 2 showing details of the bidirectional shift register in Figure 1. Circuit configuration diagram, 3rd
The figure is a timing chart for explaining the shift operation of the bidirectional shift register, Figure 4 is a diagram showing the arrangement of the segment electrode drive circuit for the liquid crystal display panel, and Figure 5 is the conventional segment electrode drive of the liquid crystal display panel. FIG. 6 is a block diagram showing the configuration of the circuit. FIG. 6 is a diagram showing the arrangement for a liquid crystal display panel when the segment electrode drive circuit of FIG. 5 is used. 21...Liquid crystal display panel, 22a...Upper transparent electrode section, 22b...Lower transparent electrode section, 23...Segment electrode drive circuit, 31...Bidirectional shift register, 3
2, 33...gate circuit, 35...buffer, 36...
Gradation signal generation circuit, 37...2 channel analog multiplexer.
Claims (1)
動回路において、アツプシフト動作を行なう第１
シフトレジスタと、ダウンシフト動作を行なう第
２シフトレジスタと、モード設定信号に応じて上
記第１シフトレジスタあるいは第２シフトレジス
タを選択してシフト動作させる手段と、この手段
により選択された第１シフトレジスタあるいは第
２シフトレジスタのシフト出力信号に基づいて画
像表示パネルのセグメント電極を駆動する手段と
を具備したことを特徴とする画像表示パネルの駆
動回路。 In the drive circuit that drives the segment electrodes of the image display panel, the first
a shift register, a second shift register for performing a downshift operation, means for selecting the first shift register or the second shift register to perform a shift operation according to a mode setting signal, and a first shift register selected by the means. 1. A driving circuit for an image display panel, comprising means for driving segment electrodes of the image display panel based on a shift output signal from a register or a second shift register.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9132587U JPS63200891U (en) | 1987-06-16 | 1987-06-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9132587U JPS63200891U (en) | 1987-06-16 | 1987-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63200891U true JPS63200891U (en) | 1988-12-23 |
Family
ID=30952007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9132587U Pending JPS63200891U (en) | 1987-06-16 | 1987-06-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63200891U (en) |
-
1987
- 1987-06-16 JP JP9132587U patent/JPS63200891U/ja active Pending
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