JPH0350792U - - Google Patents
Info
- Publication number
- JPH0350792U JPH0350792U JP1989111569U JP11156989U JPH0350792U JP H0350792 U JPH0350792 U JP H0350792U JP 1989111569 U JP1989111569 U JP 1989111569U JP 11156989 U JP11156989 U JP 11156989U JP H0350792 U JPH0350792 U JP H0350792U
- Authority
- JP
- Japan
- Prior art keywords
- input voltage
- voltage
- converter
- lighting circuit
- range
- 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
- 230000007423 decrease Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Dc-Dc Converters (AREA)
Description
第１図と第２図は本考案のＥＬ点灯回路の回路
図と入力電圧−出力電力の特性図、第３図と第４
図は従来の他励式インバータの回路図とタイミン
グチヤート図、第５図と第６図は従来のＤＣ−Ｄ
Ｃコンバータの回路図とタイミングチヤート図で
ある。
以上第１図〜第６図の中の主要な部分の符号は
、１０……ＤＣ−ＤＣコンバータ、１５……ＤＣ
−ＤＣコンバータ制御用ＩＣ、１６……ＤＣ−Ａ
Ｃインバータ、１７……電力補償回路、である。
Figures 1 and 2 are the circuit diagram and input voltage-output power characteristic diagram of the EL lighting circuit of the present invention, and Figures 3 and 4 are
The figure shows the circuit diagram and timing chart of a conventional separately excited inverter, and Figures 5 and 6 show the conventional DC-D
2 is a circuit diagram and a timing chart of a C converter. FIG. The symbols of the main parts in Figs. 1 to 6 above are 10...DC-DC converter, 15...DC
-DC converter control IC, 16...DC-A
C inverter, 17...power compensation circuit.
Claims (1)
ＥＬを点灯させるＥＬ点灯回路において、 前記直流電圧をＤＣ−ＤＣコンバータから供給
し、前記ＤＣ−ＤＣコンバータは動作入力電圧範
囲内で入力電圧の変動に対して定電力の電圧を出
力する入力電圧範囲と、所定の入力電圧を境にし
て入力電圧の低下に応じて出力電力が低下する入
力電圧範囲とを備えていることを特徴とするＥＬ
点灯回路。[Scope of claim for utility model registration] Converting DC voltage to AC voltage and applying it to EL,
In an EL lighting circuit that lights up an EL, the DC voltage is supplied from a DC-DC converter, and the DC-DC converter has an input voltage range that outputs a voltage with constant power in response to fluctuations in input voltage within an operating input voltage range. and an input voltage range in which the output power decreases as the input voltage decreases after a predetermined input voltage.
lighting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989111569U JP2560750Y2 (en) | 1989-09-22 | 1989-09-22 | EL lighting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989111569U JP2560750Y2 (en) | 1989-09-22 | 1989-09-22 | EL lighting circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0350792U true JPH0350792U (en) | 1991-05-17 |
| JP2560750Y2 JP2560750Y2 (en) | 1998-01-26 |
Family
ID=31660039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989111569U Expired - Lifetime JP2560750Y2 (en) | 1989-09-22 | 1989-09-22 | EL lighting circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2560750Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005192710A (en) * | 2004-01-05 | 2005-07-21 | Kubota Yoki Kogyo Kk | Simple toilet bowl and disaster prevention set |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62182182A (en) * | 1986-01-31 | 1987-08-10 | 住友電気工業株式会社 | Aluminum nitride sintered body with metallized surface |
| JPS63202888A (en) * | 1987-02-13 | 1988-08-22 | インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン | Electric source circuit for el panel |
-
1989
- 1989-09-22 JP JP1989111569U patent/JP2560750Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62182182A (en) * | 1986-01-31 | 1987-08-10 | 住友電気工業株式会社 | Aluminum nitride sintered body with metallized surface |
| JPS63202888A (en) * | 1987-02-13 | 1988-08-22 | インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン | Electric source circuit for el panel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005192710A (en) * | 2004-01-05 | 2005-07-21 | Kubota Yoki Kogyo Kk | Simple toilet bowl and disaster prevention set |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2560750Y2 (en) | 1998-01-26 |