KR900020880U - Driving circuit for LED current control - Google Patents

Driving circuit for LED current control

Info

Publication number
KR900020880U
KR900020880U KR2019890007579U KR890007579U KR900020880U KR 900020880 U KR900020880 U KR 900020880U KR 2019890007579 U KR2019890007579 U KR 2019890007579U KR 890007579 U KR890007579 U KR 890007579U KR 900020880 U KR900020880 U KR 900020880U
Authority
KR
South Korea
Prior art keywords
driving circuit
current control
led current
led
driving
Prior art date
Application number
KR2019890007579U
Other languages
Korean (ko)
Other versions
KR910005831Y1 (en
Inventor
최종완
김은수
이희
Original Assignee
삼성전자 주식회사
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 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to KR2019890007579U priority Critical patent/KR910005831Y1/en
Publication of KR900020880U publication Critical patent/KR900020880U/en
Application granted granted Critical
Publication of KR910005831Y1 publication Critical patent/KR910005831Y1/en

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
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • G06K15/1204—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers involving the fast moving of an optical beam in the main scanning direction
    • G06K15/1219—Detection, control or error compensation of scanning velocity or position, e.g. synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
KR2019890007579U 1989-05-31 1989-05-31 Driving circuit for controlling led current KR910005831Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890007579U KR910005831Y1 (en) 1989-05-31 1989-05-31 Driving circuit for controlling led current

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890007579U KR910005831Y1 (en) 1989-05-31 1989-05-31 Driving circuit for controlling led current

Publications (2)

Publication Number Publication Date
KR900020880U true KR900020880U (en) 1990-12-14
KR910005831Y1 KR910005831Y1 (en) 1991-08-05

Family

ID=19286746

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890007579U KR910005831Y1 (en) 1989-05-31 1989-05-31 Driving circuit for controlling led current

Country Status (1)

Country Link
KR (1) KR910005831Y1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102340939B1 (en) * 2017-05-30 2021-12-17 엘지디스플레이 주식회사 Display device and driving method thereof

Also Published As

Publication number Publication date
KR910005831Y1 (en) 1991-08-05

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20030707

Year of fee payment: 13

EXPY Expiration of term