JP4911747B2 - 発光ダイオードの駆動回路 - Google Patents
発光ダイオードの駆動回路 Download PDFInfo
- Publication number
- JP4911747B2 JP4911747B2 JP2005235672A JP2005235672A JP4911747B2 JP 4911747 B2 JP4911747 B2 JP 4911747B2 JP 2005235672 A JP2005235672 A JP 2005235672A JP 2005235672 A JP2005235672 A JP 2005235672A JP 4911747 B2 JP4911747 B2 JP 4911747B2
- Authority
- JP
- Japan
- Prior art keywords
- emitting diode
- resistor
- light emitting
- light
- circuit
- 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.)
- Expired - Fee Related
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- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
Description
IC2 3端子レギュレータ
LED1 発光ダイオード
LED2 発光ダイオード
LED3 発光ダイオード
LED4 発光ダイオード
LED5 発光ダイオード
LED6 発光ダイオード
R1 抵抗器
R2 抵抗器
C1 コンデンサ
C2 コンデンサ
C3 コンデンサ
Claims (2)
- 3端子レギュレータを用いた定電流回路を備えて被駆動発光ダイオードの駆動電力を供給する発光ダイオードの駆動回路において、前記3端子レギュレータに取り付ける負荷電流調整用抵抗器部材として、前記被駆動発光ダイオードとは別の負荷用発光ダイオードと抵抗器とを配置し、該負荷電流調整用抵抗器部材としての発光ダイオードと抵抗器とを直列に配置したことを特徴とする発光ダイオードの駆動回路。
- 3端子レギュレータを用いた定電圧回路を備えて被駆動発光ダイオードの駆動電力を供給する発光ダイオードの駆動回路において、前記3端子レギュレータに取り付ける負荷抵抗器部材として、前記被駆動発光ダイオードとは別の負荷用発光ダイオードと抵抗器とを配置し、該抵抗器部負荷としての負荷用発光ダイオードと抵抗器とを直列に配置したことを特徴とする発光ダイオードの駆動回路。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005235672A JP4911747B2 (ja) | 2005-08-16 | 2005-08-16 | 発光ダイオードの駆動回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005235672A JP4911747B2 (ja) | 2005-08-16 | 2005-08-16 | 発光ダイオードの駆動回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007053151A JP2007053151A (ja) | 2007-03-01 |
JP4911747B2 true JP4911747B2 (ja) | 2012-04-04 |
Family
ID=37917413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005235672A Expired - Fee Related JP4911747B2 (ja) | 2005-08-16 | 2005-08-16 | 発光ダイオードの駆動回路 |
Country Status (1)
Country | Link |
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JP (1) | JP4911747B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101459765B1 (ko) * | 2008-01-21 | 2014-11-12 | 엘지이노텍 주식회사 | 발광 장치 |
JP5497751B2 (ja) * | 2008-05-23 | 2014-05-21 | フィッシャー コントロールズ インターナショナル エルエルシー | 光アイソレータ多電圧検出回路 |
KR101799483B1 (ko) * | 2009-09-04 | 2017-11-20 | 필립스 라이팅 홀딩 비.브이. | 발광 다이오드와 병렬로 접속되는 제어 회로를 가지는 발광 다이오드 회로 |
JP6047069B2 (ja) * | 2013-06-14 | 2016-12-21 | 株式会社 日本計器鹿児島製作所 | Led用定電圧定電流回路 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3406162B2 (ja) * | 1996-10-03 | 2003-05-12 | シャープ株式会社 | Led表示装置の製造方法 |
JP2003142281A (ja) * | 2001-10-31 | 2003-05-16 | Takiron Co Ltd | Led表示器の駆動回路 |
JP4491561B2 (ja) * | 2002-08-29 | 2010-06-30 | 株式会社東研 | Ledを用いたサイン表示装置の交流用led点灯回路 |
JP2004284563A (ja) * | 2003-03-20 | 2004-10-14 | Nobuo Oda | 自転車発電ライト光源用ledユニット |
-
2005
- 2005-08-16 JP JP2005235672A patent/JP4911747B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2007053151A (ja) | 2007-03-01 |
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