KR920001974A - Normal state switching circuit of liquid crystal display - Google Patents

Normal state switching circuit of liquid crystal display Download PDF

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Publication number
KR920001974A
KR920001974A KR1019900008443A KR900008443A KR920001974A KR 920001974 A KR920001974 A KR 920001974A KR 1019900008443 A KR1019900008443 A KR 1019900008443A KR 900008443 A KR900008443 A KR 900008443A KR 920001974 A KR920001974 A KR 920001974A
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KR
South Korea
Prior art keywords
signal
normal state
common
state switching
color
Prior art date
Application number
KR1019900008443A
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Korean (ko)
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KR920010814B1 (en
Inventor
이종원
Original Assignee
강진구
삼성전자 주식회사
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Application filed by 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019900008443A priority Critical patent/KR920010814B1/en
Publication of KR920001974A publication Critical patent/KR920001974A/en
Application granted granted Critical
Publication of KR920010814B1 publication Critical patent/KR920010814B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/30—Picture reproducers using solid-state colour display devices

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

내용 없음.No content.

Description

액정표시장치의 노르말 상태 절환회로Normal state switching circuit of liquid crystal display

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

제1도는 본 발명에 따른 회로블럭도.1 is a circuit block diagram according to the present invention.

제2도는 액정표시장치의 노르말 상태에 따른 편광판의 배치도.2 is a layout view of a polarizer according to a normal state of a liquid crystal display.

제3도는 액정표시장치의 1화소 구동회로도.3 is a one-pixel driving circuit diagram of a liquid crystal display device.

제4도는 액정표시장치의 액정을 구동시키기 위해 가하는 전압 파형도.4 is a voltage waveform diagram applied to drive a liquid crystal of a liquid crystal display device.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

100 : Y/C 분리부 200 : 동기신호처리부100: Y / C separation unit 200: synchronization signal processing unit

300 : 색신호 및 콤몬신호발생부 400 : 노르말 상태 절환제어부300: color signal and common signal generator 400: normal state switching control unit

500 : LCD SW1 : 노르말 상태 선택스위치500: LCD SW1: Normal state selector switch

Claims (2)

복합영상신호가 입력될 때 휘도신호와 크로마신호를 분리하는 Y/C 분리부(100)와, 상기 Y/C 분리부(100)로부터 휘도신호 출력을 받아 동기신호와 한 필드마다 반전되는 색신호 생성신호를 출력하는 동기신호처리부(200)와, 상기 Y/C 분리부(100)의 크로마신호 출력과 상기 색신호 생성신호를 받아 색신호와 콤몬신호를 출력하는 색신호 및 콤몬신호발생부(300)와, 상기 색신호 및 콤몬신호발생부(300)에서 콤몬신호 출력을 받아 노르말 상태 제어신호를 출력하는 노르말 상태 절환제어부(400)와, 상기 노르말 상태 제어신호와 상기 색신호 및 콤몬신호발생부(300)의 색신호와 상기 동기신호처리부(200)의 동기신호를 입력받아 화상을 표시하는 LCD(500)로 구성됨을 특징으로 하는 액정표시장치의 노르말 상태 절환회로.Y / C separation unit 100 that separates the luminance signal and the chroma signal when the composite image signal is input, and generates the synchronization signal and the color signal inverted for each field by receiving the luminance signal output from the Y / C separation unit 100. A synchronization signal processing unit 200 for outputting a signal, a color signal and a common signal generating unit 300 for receiving a chroma signal output of the Y / C separation unit 100 and the color signal generation signal and outputting a color signal and a common signal; The normal state switching control unit 400 receives the common signal output from the color signal and the common signal generator 300 and outputs a normal state control signal, and the normal state control signal and the color signal of the color signal and the common signal generator 300. And an LCD (500) for displaying an image by receiving the synchronization signal of the synchronization signal processing unit (200). 제1항에 있어서, 노르말 상태 절환제어부(400)가, 콤몬신호가 입력될 때가 반전하여 출력하는 반전회로(401)와, 상기 반전회로(401)의 출력과 상기 콤몬신호 입력을 선택할 수 있는 노르말 상태 선택스위치(SW1)로 구성됨을 특징으로 하는 액정표시장치의 노르말 상태 절환회로.The normal state switching control unit (400) according to claim 1, wherein the normal state switching controller (400) inverts and outputs a common signal when the common signal is input, and a normal for selecting the output of the inverting circuit (401) and the common signal input. A normal state switching circuit of a liquid crystal display device characterized by comprising a state selection switch (SW1). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900008443A 1990-06-08 1990-06-08 Normal state switching circuit of lcd device KR920010814B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900008443A KR920010814B1 (en) 1990-06-08 1990-06-08 Normal state switching circuit of lcd device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900008443A KR920010814B1 (en) 1990-06-08 1990-06-08 Normal state switching circuit of lcd device

Publications (2)

Publication Number Publication Date
KR920001974A true KR920001974A (en) 1992-01-30
KR920010814B1 KR920010814B1 (en) 1992-12-17

Family

ID=19299917

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900008443A KR920010814B1 (en) 1990-06-08 1990-06-08 Normal state switching circuit of lcd device

Country Status (1)

Country Link
KR (1) KR920010814B1 (en)

Also Published As

Publication number Publication date
KR920010814B1 (en) 1992-12-17

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