JPS6338191U - - Google Patents
Info
- Publication number
- JPS6338191U JPS6338191U JP1986130154U JP13015486U JPS6338191U JP S6338191 U JPS6338191 U JP S6338191U JP 1986130154 U JP1986130154 U JP 1986130154U JP 13015486 U JP13015486 U JP 13015486U JP S6338191 U JPS6338191 U JP S6338191U
- Authority
- JP
- Japan
- Prior art keywords
- power
- input
- control circuit
- power source
- diode bridge
- 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
- 239000003990 capacitor Substances 0.000 claims 1
- 238000009499 grossing Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 239000011159 matrix material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Power Conversion In General (AREA)
Description
第１図は本考案の一実施例におけるマトリクス
駆動表示回路の電子回路図、第２図は従来例のマ
トリクス駆動表示回路の電子回路図である。
２９……非安定化電源、３０……定電圧回路、
３１……安定化電源、４９……マトリクス駆動表
示回路。
FIG. 1 is an electronic circuit diagram of a matrix drive display circuit according to an embodiment of the present invention, and FIG. 2 is an electronic circuit diagram of a conventional matrix drive display circuit. 29...Unregulated power supply, 30... Constant voltage circuit,
31... Stabilized power supply, 49... Matrix drive display circuit.
Claims (1)
力巻線の両端に全波整流用ダイオードブリツジを
接続し、前記ダイオードブリツジの直流出力端子
に平滑コンデンサを接続してなる第一直流電源と
、 前記第一直流電源を入力とする定電圧回路を介
して成る第二直流電源に接続された制御回路と、 エミツタが発光ダイオードのアノードに接続さ
れ、そのベースに前記制御回路が接続され、コレ
クタに前記第一直流電源が接続された定電流駆動
用トランジスタを備えた表示回路。[Claim for Utility Model Registration] A full-wave rectifying diode bridge is connected to both ends of the secondary output winding of a power transformer that receives commercial power as input, and a smoothing capacitor is connected to the DC output terminal of the diode bridge. a control circuit connected to a second DC power source via a constant voltage circuit that receives the first DC power source as an input; and an emitter connected to the anode of the light emitting diode; A display circuit comprising a constant current driving transistor having a base connected to the control circuit and a collector connected to the first DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986130154U JP2511394Y2 (en) | 1986-08-26 | 1986-08-26 | Display circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986130154U JP2511394Y2 (en) | 1986-08-26 | 1986-08-26 | Display circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6338191U true JPS6338191U (en) | 1988-03-11 |
| JP2511394Y2 JP2511394Y2 (en) | 1996-09-25 |
Family
ID=31027382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986130154U Expired - Lifetime JP2511394Y2 (en) | 1986-08-26 | 1986-08-26 | Display circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2511394Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005338838A (en) * | 2004-05-24 | 2005-12-08 | Samsung Sdi Co Ltd | Power supply device for light emission display device, and light emission display device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53160677U (en) * | 1977-05-24 | 1978-12-15 |
-
1986
- 1986-08-26 JP JP1986130154U patent/JP2511394Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53160677U (en) * | 1977-05-24 | 1978-12-15 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005338838A (en) * | 2004-05-24 | 2005-12-08 | Samsung Sdi Co Ltd | Power supply device for light emission display device, and light emission display device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2511394Y2 (en) | 1996-09-25 |
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