KR880010618A - LCD shutter driving circuit for stereoscopic viewing - Google Patents

LCD shutter driving circuit for stereoscopic viewing Download PDF

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Publication number
KR880010618A
KR880010618A KR870001555A KR870001555A KR880010618A KR 880010618 A KR880010618 A KR 880010618A KR 870001555 A KR870001555 A KR 870001555A KR 870001555 A KR870001555 A KR 870001555A KR 880010618 A KR880010618 A KR 880010618A
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KR
South Korea
Prior art keywords
liquid crystal
driving frequency
output
feed
driving
Prior art date
Application number
KR870001555A
Other languages
Korean (ko)
Other versions
KR900004639B1 (en
Inventor
방호열
신현준
이덕구
Original Assignee
한형수
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 한형수, 삼성전자 주식회사 filed Critical 한형수
Priority to KR1019870001555A priority Critical patent/KR900004639B1/en
Publication of KR880010618A publication Critical patent/KR880010618A/en
Application granted granted Critical
Publication of KR900004639B1 publication Critical patent/KR900004639B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

내용 없음No content

Description

입체 영상시청용 액정셔터 구동회로LCD shutter driving circuit for stereoscopic viewing

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

제 1 도는 본 발명에 따른 블록도.1 is a block diagram according to the present invention.

제 2 도는 제 1 도의 블록도를 일실시하기 위한 구체회로도.2 is a detailed circuit diagram for implementing the block diagram of FIG.

제 3 도는 제 2 도의 각 부분에 대한 동작파형도.3 is an operating waveform diagram of each part of FIG.

Claims (1)

입체영상 시청용 액정셔터 구동회로에 있어서, 전압차가 서로 다른 제1,2,3,4전압을 출력하는 멀티전원부(10)와, 상기 멀티전원부(10)의 제1전압을 입력하여 입체영상의 합성영산 신호를 검출하여 홀.짝수 피일드신호를 판별 출력하는 영상신호 피일드 검출부(20)와, 상기 제1전압의 입력에 의해 액정고유 구동주파수를 발생하여 위상이 서로다른 구동주파수를 주기적으로 출력하는 액정구동주파수 발생부(30)와, 상기 영상신호 피일드 검출부(20)와 액정구동주파수 발생부(30)에서 각각 출력하는 홀.짝수 피일드신호와 위상이 다른 액정구동 주파수의 레벨이 일치시에 홀.짝수 피일드 구동주파수를 출력하는 피일드 구동주파수 출력부(40)와, 상기 구동주파수 출력부(40)에서 위상이 서로 달리 출력하는 피일드 구동주파수를 멀티 전원부(10)에서 출력하는 제3전압 레벨로 이단 완충출력하는 제1,2이단 완충부(50)(60)와, 상기 제1,2이단 완충부(50)(60)에서 완충 출력하는 피일드 구동주파수의 위상을 일치시키어 좌안, 우안 액정을 각각 구동하는 좌.우안액정셔터구동부(70)(80)으로 구성함을 특징으로 하는 회로.In the liquid crystal shutter driving circuit for stereoscopic image viewing, a multi power supply unit 10 for outputting first, second, third, and fourth voltages having different voltage differences and a first voltage of the multi power supply unit 10 are inputted to provide a stereoscopic image. A video signal feed detector 20 for detecting a composite operation signal and discriminating and outputting an odd and even feed signal, and generating a liquid crystal unique driving frequency by inputting the first voltage to periodically generate driving frequencies having different phases. The liquid crystal driving frequency generator 30 to output, the image signal feed detection unit 20 and the liquid crystal driving frequency generator 30 to output the level of the liquid crystal driving frequency different from the even-numbered even signal signal, respectively In the multi-power supply unit 10, a feed driving frequency output unit 40 for outputting an odd-numbered feed driving frequency and a feed driving frequency for outputting phases different from each other at the driving frequency output unit 40 at the same time. Third war to output The first and second two-stage buffers 50 and 60 that perform two-stage buffer output at the same level with the phase of the feed drive frequency buffered and output by the first and second two-stage buffer units 50 and 60, the left eye, And a left and right eye liquid crystal shutter driving unit (70, 80) for driving the right eye liquid crystal, respectively. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870001555A 1987-02-24 1987-02-24 Liquid shutter driving circuit for stereoscopic t.v. system KR900004639B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870001555A KR900004639B1 (en) 1987-02-24 1987-02-24 Liquid shutter driving circuit for stereoscopic t.v. system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870001555A KR900004639B1 (en) 1987-02-24 1987-02-24 Liquid shutter driving circuit for stereoscopic t.v. system

Publications (2)

Publication Number Publication Date
KR880010618A true KR880010618A (en) 1988-10-10
KR900004639B1 KR900004639B1 (en) 1990-06-30

Family

ID=19259629

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870001555A KR900004639B1 (en) 1987-02-24 1987-02-24 Liquid shutter driving circuit for stereoscopic t.v. system

Country Status (1)

Country Link
KR (1) KR900004639B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100270804B1 (en) * 1998-02-18 2000-11-01 박남은 Apparatus for implementing stereoscopic images in a computer system using crt monitor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100270804B1 (en) * 1998-02-18 2000-11-01 박남은 Apparatus for implementing stereoscopic images in a computer system using crt monitor

Also Published As

Publication number Publication date
KR900004639B1 (en) 1990-06-30

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