JPH0219075U - - Google Patents
Info
- Publication number
- JPH0219075U JPH0219075U JP9442288U JP9442288U JPH0219075U JP H0219075 U JPH0219075 U JP H0219075U JP 9442288 U JP9442288 U JP 9442288U JP 9442288 U JP9442288 U JP 9442288U JP H0219075 U JPH0219075 U JP H0219075U
- Authority
- JP
- Japan
- Prior art keywords
- cold cathode
- discharge tube
- cathode discharge
- power supply
- terminal
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図は本考案の一実施例を示す平面図、第２
図は冷陰極放電管点灯用インバータ方式の電源の
一例を示す回路図、第３図は冷陰極放電管の高周
波高電圧点灯時の配線長さに対する管電圧、管電
流の関係を示すグラフである。
１……冷陰極放電管、２……インバータ電源、
３……プリント基板、４……放電管端子、５……
コンデンサ側パターン、６……接地側パターン、
７……放電管保持具。
Figure 1 is a plan view showing one embodiment of the present invention;
The figure is a circuit diagram showing an example of an inverter-type power source for lighting cold cathode discharge tubes, and Figure 3 is a graph showing the relationship between tube voltage and tube current with respect to wiring length when lighting cold cathode discharge tubes at high frequency and high voltage. . 1...Cold cathode discharge tube, 2...Inverter power supply,
3...Printed circuit board, 4...Discharge tube terminal, 5...
Capacitor side pattern, 6... Ground side pattern,
7...Discharge tube holder.
Claims (1)
ンバータ方式の電源により、冷陰極放電管を点灯
させる冷陰極放電管装置において、前記電源と冷
陰極放電管とを同一プリント基板上に設けるとと
もに、前記電源の出力端子と前記冷陰極放電管の
端子とを接続する配線パターンは、そのコンデン
サ側の長さを、他方の長さより短く設定したこと
を特徴とする冷陰極放電管装置。 In a cold cathode discharge tube device in which a cold cathode discharge tube is lit by an inverter-type power supply that supplies power through a capacitor coupling, the power supply and the cold cathode discharge tube are provided on the same printed circuit board, and the output of the power supply is A cold cathode discharge tube device characterized in that a wiring pattern connecting a terminal and a terminal of the cold cathode discharge tube has a length on the capacitor side set shorter than the length on the other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9442288U JPH0219075U (en) | 1988-07-15 | 1988-07-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9442288U JPH0219075U (en) | 1988-07-15 | 1988-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0219075U true JPH0219075U (en) | 1990-02-08 |
Family
ID=31318945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9442288U Pending JPH0219075U (en) | 1988-07-15 | 1988-07-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0219075U (en) |
-
1988
- 1988-07-15 JP JP9442288U patent/JPH0219075U/ja active Pending
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