JPS5290286A - Driving circuit for light emitting diodes - Google Patents

Driving circuit for light emitting diodes

Info

Publication number
JPS5290286A
JPS5290286A JP704276A JP704276A JPS5290286A JP S5290286 A JPS5290286 A JP S5290286A JP 704276 A JP704276 A JP 704276A JP 704276 A JP704276 A JP 704276A JP S5290286 A JPS5290286 A JP S5290286A
Authority
JP
Japan
Prior art keywords
light emitting
driving circuit
emitting diodes
small
highly integrated
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
Application number
JP704276A
Other languages
Japanese (ja)
Inventor
Sadatsugu Miura
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 Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP704276A priority Critical patent/JPS5290286A/en
Publication of JPS5290286A publication Critical patent/JPS5290286A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/06—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources
    • G09G3/12—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources using electroluminescent elements
    • G09G3/14—Semiconductor devices, e.g. diodes

Abstract

PURPOSE:To realize the device of high display effect and high reliability with a small and highly integrated display circuit by driving parallel-connected LEDs with complementary type transistors.
JP704276A 1976-01-23 1976-01-23 Driving circuit for light emitting diodes Pending JPS5290286A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP704276A JPS5290286A (en) 1976-01-23 1976-01-23 Driving circuit for light emitting diodes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP704276A JPS5290286A (en) 1976-01-23 1976-01-23 Driving circuit for light emitting diodes

Publications (1)

Publication Number Publication Date
JPS5290286A true JPS5290286A (en) 1977-07-29

Family

ID=11654982

Family Applications (1)

Application Number Title Priority Date Filing Date
JP704276A Pending JPS5290286A (en) 1976-01-23 1976-01-23 Driving circuit for light emitting diodes

Country Status (1)

Country Link
JP (1) JPS5290286A (en)

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