JPS6257400U - - Google Patents

Info

Publication number
JPS6257400U
JPS6257400U JP1985148173U JP14817385U JPS6257400U JP S6257400 U JPS6257400 U JP S6257400U JP 1985148173 U JP1985148173 U JP 1985148173U JP 14817385 U JP14817385 U JP 14817385U JP S6257400 U JPS6257400 U JP S6257400U
Authority
JP
Japan
Prior art keywords
lamp
capacitor
lighting
power supply
pulse signal
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
Application number
JP1985148173U
Other languages
Japanese (ja)
Other versions
JPH0422559Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1985148173U priority Critical patent/JPH0422559Y2/ja
Publication of JPS6257400U publication Critical patent/JPS6257400U/ja
Application granted granted Critical
Publication of JPH0422559Y2 publication Critical patent/JPH0422559Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Electroluminescent Light Sources (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示す回路図、第２
図ａは第１図の回路の動作を説明するためのコン
デンサ充電電圧特性図、第２図ｂは第１図の回路
の動作を説明するための信号波形図、第３図は本
考案の効果を説明するための電源電圧変動と輝度
変化の関係を示すグラフ、第４図は従来のＥＬラ
ンプの点灯電源装置の一例を示すブロツク図であ
る。 ３……ＥＬランプ、１１……増幅回路、１２…
…輝度補償回路、１３，１４……単安定マルチバ
イブレータ、Ｄ１……ツエナーダイオード、ＣＴ
１，ＣＴ２……タイミングコンデンサ。 Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
Figure a is a capacitor charging voltage characteristic diagram to explain the operation of the circuit in Figure 1, Figure 2 b is a signal waveform diagram to explain the operation of the circuit in Figure 1, and Figure 3 is the effect of the present invention. FIG. 4 is a block diagram showing an example of a conventional EL lamp lighting power supply device. 3...EL lamp, 11...amplifier circuit, 12...
... Brightness compensation circuit, 13, 14 ... Monostable multivibrator, D1 ... Zener diode, CT
1, CT2...timing capacitor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 補助電源の出力電流が供給されるコンデンサと
、このコンデンサとＥＬランプ点灯用電源とを結
ぶ電路に介挿されたツエナーダイオードと、一定
周期のパルス信号を繰り返し発振するとともに、
前記コンデンサが所定の設定電圧に充電されるま
での期間オンパルス信号を出力する発振回路と、
この発振回路の出力を増幅することにより前記Ｅ
Ｌランプ点灯用電源からＥＬランプに供給される
電力を制御する増幅回路とを備えたことを特徴と
するＥＬランプの輝度補償装置。 A capacitor to which the output current of the auxiliary power supply is supplied, and a Zener diode inserted in the electrical circuit connecting this capacitor to the power supply for lighting the EL lamp, repeatedly oscillate a pulse signal with a constant period, and
an oscillation circuit that outputs an on-pulse signal for a period until the capacitor is charged to a predetermined set voltage;
By amplifying the output of this oscillation circuit, the E
1. A brightness compensation device for an EL lamp, comprising: an amplifier circuit for controlling power supplied to the EL lamp from a power source for lighting the L lamp.
JP1985148173U 1985-09-30 1985-09-30 Expired JPH0422559Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985148173U JPH0422559Y2 (en) 1985-09-30 1985-09-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985148173U JPH0422559Y2 (en) 1985-09-30 1985-09-30

Publications (2)

Publication Number Publication Date
JPS6257400U true JPS6257400U (en) 1987-04-09
JPH0422559Y2 JPH0422559Y2 (en) 1992-05-22

Family

ID=31062205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985148173U Expired JPH0422559Y2 (en) 1985-09-30 1985-09-30

Country Status (1)

Country Link
JP (1) JPH0422559Y2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4915361A (en) * 1972-05-17 1974-02-09
JPS58172888A (en) * 1982-04-02 1983-10-11 株式会社東芝 Power source circuit for high frequency generator
JPS60151992A (en) * 1984-01-20 1985-08-10 株式会社小糸製作所 Electric field light emitting device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4915361A (en) * 1972-05-17 1974-02-09
JPS58172888A (en) * 1982-04-02 1983-10-11 株式会社東芝 Power source circuit for high frequency generator
JPS60151992A (en) * 1984-01-20 1985-08-10 株式会社小糸製作所 Electric field light emitting device

Also Published As

Publication number Publication date
JPH0422559Y2 (en) 1992-05-22

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