KR930005464A - Dot Pitch Compensation Circuit of LCD Projector - Google Patents

Dot Pitch Compensation Circuit of LCD Projector Download PDF

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Publication number
KR930005464A
KR930005464A KR1019910014366A KR910014366A KR930005464A KR 930005464 A KR930005464 A KR 930005464A KR 1019910014366 A KR1019910014366 A KR 1019910014366A KR 910014366 A KR910014366 A KR 910014366A KR 930005464 A KR930005464 A KR 930005464A
Authority
KR
South Korea
Prior art keywords
color signal
liquid crystal
circuit
dot pitch
output
Prior art date
Application number
KR1019910014366A
Other languages
Korean (ko)
Inventor
김익송
Original Assignee
강진구
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 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019910014366A priority Critical patent/KR930005464A/en
Publication of KR930005464A publication Critical patent/KR930005464A/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/173—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components
    • H03K19/1733—Controllable logic circuits
    • H03K19/1737—Controllable logic circuits using multiplexers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/648—Video amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

내용 없음.No content.

Description

액정 프로젝터의 도트 피치 보상회로Dot Pitch Compensation Circuit of LCD Projector

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

제1도는 본 발명에 따른 회로구성도,1 is a circuit diagram according to the present invention,

제2도는 모니터의 액정 화소 구조도,2 is a liquid crystal pixel structure diagram of a monitor;

제3도는 콘트롤신호와 멀티플렉서의 출력신호를 도시한 도면이다.3 is a diagram illustrating a control signal and an output signal of the multiplexer.

Claims (1)

입력되는 복합비디오신호중 휘도신호(Y)와 색신호를 분리하는 휘도/칼라분리기(1)와, 상기의 분리된 휘도신호와 색신호를 처리하는 색신호처리 및 매트릭스회로(2)와, 상기의 매트릭스 회로에서 출력된 색신호를 증폭하는 색신호 증폭회로(3)를 구비한 액정프로젝터의 도트 피치 보상회로에 있어서; 상기의 색신호 증폭회로(3)에서 출력된 각각의 R,G,B 신호를 입력으로 하여 트랜지스터와 지연회로를 각각 포함하여 액정에 공급되는 신호중 우수라인 또는 기수라인에 1/2도트 피치만큼 지연시키도록 한 색신호 출력 및 지연회로(4,5,6)와; 상기의 색신호 출력 및 지연회로(4,5,6)에서 출력되는 신호를 선택하여 액정에 인가하기 위한 멀티플렉서(7); 및 상기의 멀티를렉서(7)를 제어하는 액정콘트롤러(8)를 구성시켜서된 액정프로젝터의 도트 피치 보상회로.A luminance / color separator (1) for separating the luminance signal (Y) and a color signal among the input composite video signals, a color signal processing and matrix circuit (2) for processing the separated luminance signal and color signal, and the matrix circuit A dot pitch compensating circuit of a liquid crystal projector having a color signal amplifying circuit (3) for amplifying an output color signal; Each of the R, G, and B signals output from the color signal amplifying circuit 3 is inputted to include a transistor and a delay circuit, respectively, and delayed by a half dot pitch to the even or odd lines among the signals supplied to the liquid crystal. Color signal output and delay circuits 4, 5, and 6; A multiplexer (7) for selecting and applying the signals output from the color signal output and delay circuits (4, 5, 6) to the liquid crystal; And a liquid crystal controller (8) for controlling the multiplexer (7). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910014366A 1991-08-21 1991-08-21 Dot Pitch Compensation Circuit of LCD Projector KR930005464A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910014366A KR930005464A (en) 1991-08-21 1991-08-21 Dot Pitch Compensation Circuit of LCD Projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910014366A KR930005464A (en) 1991-08-21 1991-08-21 Dot Pitch Compensation Circuit of LCD Projector

Publications (1)

Publication Number Publication Date
KR930005464A true KR930005464A (en) 1993-03-23

Family

ID=67310321

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910014366A KR930005464A (en) 1991-08-21 1991-08-21 Dot Pitch Compensation Circuit of LCD Projector

Country Status (1)

Country Link
KR (1) KR930005464A (en)

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WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid