JPH03110417U - - Google Patents
Info
- Publication number
- JPH03110417U JPH03110417U JP1911290U JP1911290U JPH03110417U JP H03110417 U JPH03110417 U JP H03110417U JP 1911290 U JP1911290 U JP 1911290U JP 1911290 U JP1911290 U JP 1911290U JP H03110417 U JPH03110417 U JP H03110417U
- Authority
- JP
- Japan
- Prior art keywords
- cold cathode
- cathode fluorescent
- fluorescent tube
- started
- starting
- 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 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Liquid Crystal Display Device Control (AREA)
Description
第１図はＦＥＴを用いた本考案の実施例を示す
図、第２図はスイツチングレギユレータＩＣを使
つた本考案の実施例を示す図。
FIG. 1 is a diagram showing an embodiment of the present invention using an FET, and FIG. 2 is a diagram showing an embodiment of the present invention using a switching regulator IC.
Claims (1)
冷陰極蛍光管を駆動するための冷陰極蛍光管用駆
動回路において、 ｂ 冷陰極蛍光管の始動の有無を検出する始動検
出手段と、 ｃ 未始動時に始動時より高い電圧を印加するた
めの始動電圧可変手段とより構成されていること
を特徴とする冷陰極蛍光管用駆動回路。[Scope of Claim for Utility Model Registration] a. A cold cathode fluorescent tube drive circuit for driving a cold cathode fluorescent tube used as a backlight for a liquid crystal display panel, b. Start detecting means for detecting whether or not the cold cathode fluorescent tube is started; (c) A driving circuit for a cold cathode fluorescent lamp, comprising a starting voltage variable means for applying a higher voltage when not started than when starting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1911290U JPH03110417U (en) | 1990-02-27 | 1990-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1911290U JPH03110417U (en) | 1990-02-27 | 1990-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03110417U true JPH03110417U (en) | 1991-11-13 |
Family
ID=31522249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1911290U Pending JPH03110417U (en) | 1990-02-27 | 1990-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03110417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4555886B1 (en) * | 2009-10-19 | 2010-10-06 | エイ株式会社 | pendant |
-
1990
- 1990-02-27 JP JP1911290U patent/JPH03110417U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4555886B1 (en) * | 2009-10-19 | 2010-10-06 | エイ株式会社 | pendant |
| JP2011083537A (en) * | 2009-10-19 | 2011-04-28 | Ei Kk | Pendant |
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