JPH0465395U - - Google Patents
Info
- Publication number
- JPH0465395U JPH0465395U JP10939590U JP10939590U JPH0465395U JP H0465395 U JPH0465395 U JP H0465395U JP 10939590 U JP10939590 U JP 10939590U JP 10939590 U JP10939590 U JP 10939590U JP H0465395 U JPH0465395 U JP H0465395U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- display device
- crystal display
- unit section
- variable resistor
- 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 2
- 239000011159 matrix material Substances 0.000 claims 1
Landscapes
- Liquid Crystal Display Device Control (AREA)
Description
第１図は本考案に係る液晶表示装置の一実施例
を示すブロツク回路図、第２図は従来例を示すブ
ロツク回路図である。
１０……コントロールユニツト、１１……ＤＣ
−ＤＣ変換部、１２……演算増幅器、１３……抵
抗、１４……可変抵抗、１５……コンデンサ、２
０……表示ユニツト、２１……駆動部、２１Ａ，
２１Ｆ……演算増幅器、２１Ｂ〜２１Ｄ，２１Ｇ
……抵抗、２１Ｅ……サーミスタ、２１Ｈ……可
変抵抗、２１Ｉ……コンデンサ、２２……ＬＣＤ
パネル、２３……バツク照明光源部。
FIG. 1 is a block circuit diagram showing an embodiment of a liquid crystal display device according to the present invention, and FIG. 2 is a block circuit diagram showing a conventional example. 10...Control unit, 11...DC
-DC converter, 12... operational amplifier, 13... resistor, 14... variable resistor, 15... capacitor, 2
0...display unit, 21...driver, 21A,
21F...Operation amplifier, 21B to 21D, 21G
...Resistor, 21E...Thermistor, 21H...Variable resistor, 21I...Capacitor, 22...LCD
Panel, 23... Back illumination light source section.
Claims (1)
り構成されたドツトマトリツクス形の液晶表示装
置において、前記各ユニツトに可変抵抗を含むＬ
ＣＤ駆動電圧調整回路をそれぞれ設けたことを特
徴とする液晶表示装置。 In a dot matrix type liquid crystal display device composed of a control unit section and a display unit section, each unit includes a variable resistor.
A liquid crystal display device characterized in that each CD drive voltage adjustment circuit is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10939590U JPH0465395U (en) | 1990-10-19 | 1990-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10939590U JPH0465395U (en) | 1990-10-19 | 1990-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0465395U true JPH0465395U (en) | 1992-06-05 |
Family
ID=31856593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10939590U Pending JPH0465395U (en) | 1990-10-19 | 1990-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0465395U (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5987387A (en) * | 1982-11-11 | 1984-05-19 | Seiko Epson Corp | lcd display electronic watch |
| JPS60117291A (en) * | 1983-11-30 | 1985-06-24 | 株式会社日立製作所 | Liquid crystal display unit |
| JPS61193200A (en) * | 1985-02-21 | 1986-08-27 | 沖電気工業株式会社 | Liquid crystal display unit |
| JPS61275893A (en) * | 1985-05-31 | 1986-12-05 | ヤマハ発動機株式会社 | Liquid crystal display unit |
| JPH01193795A (en) * | 1988-01-28 | 1989-08-03 | Toshiba Corp | Liquid crystal display device |
-
1990
- 1990-10-19 JP JP10939590U patent/JPH0465395U/ja active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5987387A (en) * | 1982-11-11 | 1984-05-19 | Seiko Epson Corp | lcd display electronic watch |
| JPS60117291A (en) * | 1983-11-30 | 1985-06-24 | 株式会社日立製作所 | Liquid crystal display unit |
| JPS61193200A (en) * | 1985-02-21 | 1986-08-27 | 沖電気工業株式会社 | Liquid crystal display unit |
| JPS61275893A (en) * | 1985-05-31 | 1986-12-05 | ヤマハ発動機株式会社 | Liquid crystal display unit |
| JPH01193795A (en) * | 1988-01-28 | 1989-08-03 | Toshiba Corp | Liquid crystal display device |