JPS62154494U - - Google Patents
Info
- Publication number
- JPS62154494U JPS62154494U JP4076786U JP4076786U JPS62154494U JP S62154494 U JPS62154494 U JP S62154494U JP 4076786 U JP4076786 U JP 4076786U JP 4076786 U JP4076786 U JP 4076786U JP S62154494 U JPS62154494 U JP S62154494U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- comparator
- display device
- output terminal
- segment lighting
- 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.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Indicating Measured Values (AREA)
- Liquid Crystal Display Device Control (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図は本考案による液晶表示装置の実施例を
示すブロツク図、第２図は同液晶駆動ＩＣのコモ
ン出力信号とセグメント点灯信号を波形図、第３
図は同コンパレータの入出力特性図である。
１……液晶駆動ＩＣ、２……液晶パネル、３…
…コンパレータ、４……コモン信号出力端子、５
……コモン信号入力端子、６〜９……セグメント
点灯入力端子、１０〜１２……セグメント点灯出
力端子。
Fig. 1 is a block diagram showing an embodiment of the liquid crystal display device according to the present invention, Fig. 2 is a waveform diagram of the common output signal and segment lighting signal of the liquid crystal drive IC, and Fig.
The figure is an input/output characteristic diagram of the comparator. 1...Liquid crystal drive IC, 2...Liquid crystal panel, 3...
...Comparator, 4...Common signal output terminal, 5
...Common signal input terminal, 6 to 9...Segment lighting input terminal, 10 to 12...Segment lighting output terminal.
Claims (1)
テリシス特性を持たせたコンパレータを接続し、
その出力を液晶パネルのセグメント点灯信号とし
て利用することを特徴とする液晶表示装置。 A comparator with hysteresis characteristics is connected to the common signal output terminal of the liquid crystal drive integrated circuit.
A liquid crystal display device characterized in that the output is used as a segment lighting signal for a liquid crystal panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4076786U JPH0522955Y2 (en) | 1986-03-20 | 1986-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4076786U JPH0522955Y2 (en) | 1986-03-20 | 1986-03-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62154494U true JPS62154494U (en) | 1987-09-30 |
| JPH0522955Y2 JPH0522955Y2 (en) | 1993-06-11 |
Family
ID=30855144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4076786U Expired - Lifetime JPH0522955Y2 (en) | 1986-03-20 | 1986-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0522955Y2 (en) |
-
1986
- 1986-03-20 JP JP4076786U patent/JPH0522955Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0522955Y2 (en) | 1993-06-11 |
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