KR930010658A - Stable LCD Current Control Circuit for Temperature Change - Google Patents

Stable LCD Current Control Circuit for Temperature Change Download PDF

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Publication number
KR930010658A
KR930010658A KR1019910021528A KR910021528A KR930010658A KR 930010658 A KR930010658 A KR 930010658A KR 1019910021528 A KR1019910021528 A KR 1019910021528A KR 910021528 A KR910021528 A KR 910021528A KR 930010658 A KR930010658 A KR 930010658A
Authority
KR
South Korea
Prior art keywords
lcd
current control
control circuit
temperature change
current
Prior art date
Application number
KR1019910021528A
Other languages
Korean (ko)
Other versions
KR940006201B1 (en
Inventor
곽동수
Original Assignee
정용문
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 정용문, 삼성전자 주식회사 filed Critical 정용문
Priority to KR1019910021528A priority Critical patent/KR940006201B1/en
Publication of KR930010658A publication Critical patent/KR930010658A/en
Application granted granted Critical
Publication of KR940006201B1 publication Critical patent/KR940006201B1/en

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/462—Regulating voltage or current wherein the variable actually regulated by the final control device is dc as a function of the requirements of the load, e.g. delay, temperature, specific voltage/current characteristic
    • G05F1/463—Sources providing an output which depends on temperature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Nonlinear Science (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)

Abstract

내용 없음No content

Description

온도변화에 대하여 안정된 LCD 전류제어회로Stable LCD Current Control Circuit for Temperature Change

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 종래의 회로도.1 is a conventional circuit diagram.

제2도는 본 발명의 회로도.2 is a circuit diagram of the present invention.

Claims (2)

구동전류의 입력에 대응하여 구동되는 LCD (13)와, 상기 LCD (13)의 구동신호를 출력하는 LCD제어부(11)를 구비한 LCD 전류 제어회로에 있어서, 제1, 제2전압을 입력하면, 상기 LCD제어부(11)로 부터 출력되는 구동신호의 입력에 응답하여 상기 LCD(13)에 구동 전류를 제공하는 LCD 드라이버 수단과, 상기 LCD 드라이버 수단과 제3전압 사이에 접속되어 온도의 변화에 적응되어 상기 구동전류의 량을 제어하는 전류 제어수단으로 구성됨을 특징으로 하는 LCD 전류 제어회로.In the LCD current control circuit having the LCD 13 driven in response to the input of the driving current and the LCD control unit 11 for outputting the driving signal of the LCD 13, when the first and second voltages are inputted, LCD driver means for providing a drive current to the LCD 13 in response to the input of a drive signal output from the LCD control unit 11, and connected between the LCD driver means and a third voltage to change the temperature. And an electric current control means adapted to control the amount of the drive current. 제1항에 있어서, 전류 제어수단은 LCD 드라이버 수단의 출력과 제3전압 사이에 접속된 서어비스터임을 특징으로 하는 회로.2. The circuit according to claim 1, wherein the current control means is a survivor connected between the output of the LCD driver means and the third voltage. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910021528A 1991-11-28 1991-11-28 Current control circuit of lcd KR940006201B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910021528A KR940006201B1 (en) 1991-11-28 1991-11-28 Current control circuit of lcd

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910021528A KR940006201B1 (en) 1991-11-28 1991-11-28 Current control circuit of lcd

Publications (2)

Publication Number Publication Date
KR930010658A true KR930010658A (en) 1993-06-23
KR940006201B1 KR940006201B1 (en) 1994-07-11

Family

ID=19323719

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910021528A KR940006201B1 (en) 1991-11-28 1991-11-28 Current control circuit of lcd

Country Status (1)

Country Link
KR (1) KR940006201B1 (en)

Also Published As

Publication number Publication date
KR940006201B1 (en) 1994-07-11

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