JPS5447435A - Driving unit for external electrode type discharge display panel - Google Patents
Driving unit for external electrode type discharge display panelInfo
- Publication number
- JPS5447435A JPS5447435A JP11420777A JP11420777A JPS5447435A JP S5447435 A JPS5447435 A JP S5447435A JP 11420777 A JP11420777 A JP 11420777A JP 11420777 A JP11420777 A JP 11420777A JP S5447435 A JPS5447435 A JP S5447435A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage
- display panel
- driving unit
- overshoot
- 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
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
PURPOSE: To obtain a driving circuit which does not require the high-voltage DC power source and features the reduced amount of the power consumption by providing a means to absorb the spike component of the pulse-like high voltage, and thus to ensure a suitable application to the IC formation.
CONSTITUTION: The driving unit consists of high-voltage generator circuit 10, spike absorbing circuit 110, resistance 120, transistor Tr circuit 130 and 30, discharge cell 40 of display panel, clamp diode 50, switching Tr60 and Zener diode 70 respectively. Thus, the high-voltage pulse can be obtained at output 16 of transformer 14 in circuit 10, but the spike waveform such as the overshoot is formed since the winding ratio of 14 is large. This waveform is eliminated through circuit 110 (comprising diode 111, resistance 112 and capacitor 113), and the overshoot is absorbed. As a result, the dielectric strength of circuit 130 and 30 can be reduced by the amount of the overshoot voltage
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11420777A JPS5447435A (en) | 1977-09-21 | 1977-09-21 | Driving unit for external electrode type discharge display panel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11420777A JPS5447435A (en) | 1977-09-21 | 1977-09-21 | Driving unit for external electrode type discharge display panel |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5447435A true JPS5447435A (en) | 1979-04-14 |
Family
ID=14631881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11420777A Pending JPS5447435A (en) | 1977-09-21 | 1977-09-21 | Driving unit for external electrode type discharge display panel |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5447435A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4984776A (en) * | 1972-11-29 | 1974-08-14 | ||
JPS5251832A (en) * | 1975-10-22 | 1977-04-26 | Nec Corp | Driving unit of external electrode-type discharge display panel |
-
1977
- 1977-09-21 JP JP11420777A patent/JPS5447435A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4984776A (en) * | 1972-11-29 | 1974-08-14 | ||
JPS5251832A (en) * | 1975-10-22 | 1977-04-26 | Nec Corp | Driving unit of external electrode-type discharge display panel |
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