KR880009279A - LCD display device - Google Patents

LCD display device Download PDF

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Publication number
KR880009279A
KR880009279A KR870000668A KR870000668A KR880009279A KR 880009279 A KR880009279 A KR 880009279A KR 870000668 A KR870000668 A KR 870000668A KR 870000668 A KR870000668 A KR 870000668A KR 880009279 A KR880009279 A KR 880009279A
Authority
KR
South Korea
Prior art keywords
display device
output signal
counter
liquid crystal
crystal display
Prior art date
Application number
KR870000668A
Other languages
Korean (ko)
Other versions
KR890004305B1 (en
Inventor
심갑수
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 KR1019870000668A priority Critical patent/KR890004305B1/en
Publication of KR880009279A publication Critical patent/KR880009279A/en
Application granted granted Critical
Publication of KR890004305B1 publication Critical patent/KR890004305B1/en

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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
    • G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
    • 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
    • G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere

Abstract

내용 없음.No content.

Description

액정 표시 소자 검사장치LCD display device

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

제1도는 본 발명의 회로도.1 is a circuit diagram of the present invention.

제2도는 본 발명의 실시예를 나타내는 파형도.2 is a waveform diagram showing an embodiment of the present invention.

Claims (1)

설정된 시정수에 따른 주파수를 갖는 클럭발생기(10)와 상기한 클럭발생기(10)의 출력신호에 의해 동기되어서 7비트의 데이터를 출력시키는 카운터(20)와, 상기한 카운터(20)의 출력신호에 인가하고 슬라이더 스위치(40)의 스위칭에 따라 출력시키는 펄스 엔코딩 회로(30)와, 상기한 펄스엔코딩회로(30)의 출력신호를 인가하여서 제어라인의 디코딩에 의해 서로 다른 레벨의 전압중 하나를 선택해서 액정표시소자(60)로 출력되게 하는 아날로그멀티플렉스(50)로 이루어진 것을 특징으로 하는 액정표시소자 검사장치.A counter 20 for outputting 7-bit data in synchronization with the clock generator 10 having a frequency according to a set time constant and the output signal of the clock generator 10, and the output signal of the counter 20. A pulse encoding circuit 30 which is applied to and outputs according to the switching of the slider switch 40, and the output signal of the pulse encoding circuit 30 is applied to decode one of the voltages of different levels by decoding the control line. Liquid crystal display device inspection apparatus, characterized in that consisting of an analog multiplex (50) to be selected and output to the liquid crystal display device (60). ※ 참고사항 : 최초출된 내용에 의하여 공개하는 것임.※ Note: It is to be disclosed based on the original contents.
KR1019870000668A 1987-01-28 1987-01-28 Detecting system of liquid crystal indicating equipment KR890004305B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870000668A KR890004305B1 (en) 1987-01-28 1987-01-28 Detecting system of liquid crystal indicating equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870000668A KR890004305B1 (en) 1987-01-28 1987-01-28 Detecting system of liquid crystal indicating equipment

Publications (2)

Publication Number Publication Date
KR880009279A true KR880009279A (en) 1988-09-14
KR890004305B1 KR890004305B1 (en) 1989-10-30

Family

ID=19259162

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870000668A KR890004305B1 (en) 1987-01-28 1987-01-28 Detecting system of liquid crystal indicating equipment

Country Status (1)

Country Link
KR (1) KR890004305B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100963033B1 (en) * 2003-12-26 2010-06-14 엘지디스플레이 주식회사 Detector for liquid crystal display and method using the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100963033B1 (en) * 2003-12-26 2010-06-14 엘지디스플레이 주식회사 Detector for liquid crystal display and method using the same

Also Published As

Publication number Publication date
KR890004305B1 (en) 1989-10-30

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