KR910012752A - Small LCD Module Tester - Google Patents

Small LCD Module Tester Download PDF

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Publication number
KR910012752A
KR910012752A KR1019890020777A KR890020777A KR910012752A KR 910012752 A KR910012752 A KR 910012752A KR 1019890020777 A KR1019890020777 A KR 1019890020777A KR 890020777 A KR890020777 A KR 890020777A KR 910012752 A KR910012752 A KR 910012752A
Authority
KR
South Korea
Prior art keywords
lcd module
generating
eprom
keyboard
displaying
Prior art date
Application number
KR1019890020777A
Other languages
Korean (ko)
Other versions
KR0120529B1 (en
Inventor
심영철
Original Assignee
김정배
삼성전관 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 김정배, 삼성전관 주식회사 filed Critical 김정배
Priority to KR1019890020777A priority Critical patent/KR0120529B1/en
Publication of KR910012752A publication Critical patent/KR910012752A/en
Application granted granted Critical
Publication of KR0120529B1 publication Critical patent/KR0120529B1/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

내용 없음No content

Description

소형 LCD모듈 테스트장치Small LCD Module Tester

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 의한 소형 LCD모듈 테스트장치의 일실시 회로도.1 is a circuit diagram of one embodiment of a small LCD module test apparatus according to the present invention.

Claims (1)

소형 LCD모듈을 EPROM(70)에 기억된 정보에 따라 디스플레이 시키면서 테스트하는 장치에 있어서, 소정 주파수를 가진 클럭 펄스를 발생하기 위한 발진수단(20); 상기 LCD모듈의 인에이블신호를 발생하기 위한 신호 발생수단(20); 상기 LCD모듈에 공급되는 데이타가 명령코드인지 BCD코드인지 지정하기 위한 기능이전환신호를 발생하는 기능전화수단(30); 상기 클럭펄스와, 상기 에이블 신호 및 기능전환 신호를 아선택적으로 출력하기 위한 제1선택수단(40); 상기 제1선택수단(40)을 통한 클럭펄스를 게수하여 상기 EPROM(70)의 어드레스를 순차 지정하기 위한 카운터(50); 상기 LCD모듈에 키입력에 대응한 BCD코드를 공급하기 위한 키보드(80);상기 EPROM로 부터 출력된 명령코드와 상기 키보드(80)에서 발생된 BCD코드를 선택적으로 출력하기 위한 제2선택수단(90)에서 선택출력된 데이타를 표시하기 위한 표시수단(100)을 구비한 것을 특징으로 하는 소형 LCD모듈 테스트 장치.An apparatus for testing while displaying a small LCD module according to information stored in the EPROM 70, comprising: an oscillating means (20) for generating a clock pulse having a predetermined frequency; Signal generating means (20) for generating an enable signal of the LCD module; A function telephone means (30) for generating a switching signal whose function for designating whether the data supplied to the LCD module is a command code or a BCD code; First selecting means (40) for selectively outputting the clock pulse, the enable signal, and the function switching signal; A counter (50) for sequentially specifying an address of the EPROM (70) by collecting the clock pulses through the first selection means (40); A keyboard 80 for supplying a BCD code corresponding to a key input to the LCD module; second selection means for selectively outputting a command code output from the EPROM and a BCD code generated from the keyboard 80; And a display means (100) for displaying the data selected and output in step 90). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890020777A 1989-12-31 1989-12-31 Small lcd module testing apparatus KR0120529B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890020777A KR0120529B1 (en) 1989-12-31 1989-12-31 Small lcd module testing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890020777A KR0120529B1 (en) 1989-12-31 1989-12-31 Small lcd module testing apparatus

Publications (2)

Publication Number Publication Date
KR910012752A true KR910012752A (en) 1991-08-08
KR0120529B1 KR0120529B1 (en) 1997-10-30

Family

ID=19294814

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890020777A KR0120529B1 (en) 1989-12-31 1989-12-31 Small lcd module testing apparatus

Country Status (1)

Country Link
KR (1) KR0120529B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100429393B1 (en) * 1997-06-25 2004-08-02 비오이 하이디스 테크놀로지 주식회사 Interface circuit for LCM
KR19990052412A (en) * 1997-12-22 1999-07-05 김영환 Image test apparatus for thin film transistor liquid crystal display panel
KR20000002530A (en) * 1998-06-22 2000-01-15 김영환 Characteristic evaluating apparatus of liquid crystal display
KR100535355B1 (en) * 1998-10-29 2006-03-16 비오이 하이디스 테크놀로지 주식회사 Interface circuit for liquid crystal module
KR20030032244A (en) * 2001-10-17 2003-04-26 비오이 하이디스 테크놀로지 주식회사 Data masking and test pattern generation circuit for timing controllor

Also Published As

Publication number Publication date
KR0120529B1 (en) 1997-10-30

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