JPH0576792B2 - - Google Patents

Info

Publication number
JPH0576792B2
JPH0576792B2 JP5573384A JP5573384A JPH0576792B2 JP H0576792 B2 JPH0576792 B2 JP H0576792B2 JP 5573384 A JP5573384 A JP 5573384A JP 5573384 A JP5573384 A JP 5573384A JP H0576792 B2 JPH0576792 B2 JP H0576792B2
Authority
JP
Japan
Prior art keywords
voltage
circuit
current
led
constant current
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 - Lifetime
Application number
JP5573384A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60198872A (ja
Inventor
Masaharu Ozaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP59055733A priority Critical patent/JPS60198872A/ja
Publication of JPS60198872A publication Critical patent/JPS60198872A/ja
Publication of JPH0576792B2 publication Critical patent/JPH0576792B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/395—Linear regulators
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Facsimile Heads (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of El Displays (AREA)
  • Led Devices (AREA)
  • Dot-Matrix Printers And Others (AREA)
JP59055733A 1984-03-23 1984-03-23 Ｌｅｄ駆動用ｍｏｓ集積回路 Granted JPS60198872A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59055733A JPS60198872A (ja) 1984-03-23 1984-03-23 Ｌｅｄ駆動用ｍｏｓ集積回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59055733A JPS60198872A (ja) 1984-03-23 1984-03-23 Ｌｅｄ駆動用ｍｏｓ集積回路

Publications (2)

Publication Number Publication Date
JPS60198872A JPS60198872A (ja) 1985-10-08
JPH0576792B2 true JPH0576792B2 (zh) 1993-10-25

Family

ID=13007055

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59055733A Granted JPS60198872A (ja) 1984-03-23 1984-03-23 Ｌｅｄ駆動用ｍｏｓ集積回路

Country Status (1)

Country Link
JP (1) JPS60198872A (zh)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988007729A1 (en) * 1987-04-01 1988-10-06 Eastman Kodak Company Printer apparatus
JPH078213Y2 (ja) * 1987-09-22 1995-03-01 富士ゼロックス株式会社 Ｌｅｄプリンタヘッド
JPS6450948U (zh) * 1987-09-24 1989-03-29
JP2539508B2 (ja) * 1989-02-13 1996-10-02 株式会社日立製作所 光記録ヘッド
JPH04348964A (ja) * 1991-05-27 1992-12-03 Kyocera Corp 画像形成装置
JP3988707B2 (ja) * 1997-03-12 2007-10-10 セイコーエプソン株式会社 画素回路、表示装置及び電子機器
US6518962B2 (en) 1997-03-12 2003-02-11 Seiko Epson Corporation Pixel circuit display apparatus and electronic apparatus equipped with current driving type light-emitting device
JP3985763B2 (ja) * 1997-03-12 2007-10-03 セイコーエプソン株式会社 表示装置及び電子機器
TW550530B (en) 2000-10-27 2003-09-01 Semiconductor Energy Lab Display device and method of driving the same
CN100419837C (zh) * 2002-08-21 2008-09-17 皇家飞利浦电子股份有限公司 显示器件及其显示驱动器件
CN101976668B (zh) * 2010-09-27 2012-11-28 复旦大学 一种硅基mos管控制发光二极管的器件、阵列及制造方法
ITCS20110016A1 (it) * 2011-06-17 2012-12-18 E D P Srl Sistema elettronico di alimentazione e regolazione della corrente per lampade a led

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5229084B2 (zh) * 1972-04-06 1977-07-30
JPS551147A (en) * 1978-06-19 1980-01-07 Nec Corp Stabilized luminous source

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5229084U (zh) * 1975-08-20 1977-03-01

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5229084B2 (zh) * 1972-04-06 1977-07-30
JPS551147A (en) * 1978-06-19 1980-01-07 Nec Corp Stabilized luminous source

Also Published As

Publication number Publication date
JPS60198872A (ja) 1985-10-08

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term