KR880008067A - LCD display driving circuit - Google Patents

LCD display driving circuit Download PDF

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Publication number
KR880008067A
KR880008067A KR860010981A KR860010981A KR880008067A KR 880008067 A KR880008067 A KR 880008067A KR 860010981 A KR860010981 A KR 860010981A KR 860010981 A KR860010981 A KR 860010981A KR 880008067 A KR880008067 A KR 880008067A
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KR
South Korea
Prior art keywords
mos transistor
diode
gate
drain
source
Prior art date
Application number
KR860010981A
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Korean (ko)
Other versions
KR900001025B1 (en
Inventor
이균희
박종주
Original Assignee
강진구
삼성반도체통신 주식회사
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Publication date
Application filed by 강진구, 삼성반도체통신 주식회사 filed Critical 강진구
Priority to KR1019860010981A priority Critical patent/KR900001025B1/en
Publication of KR880008067A publication Critical patent/KR880008067A/en
Application granted granted Critical
Publication of KR900001025B1 publication Critical patent/KR900001025B1/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

내용 없음.No content.

Description

액정표시 구동회로LCD display driving circuit

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

제1도는 액정표시판의 구조,1 shows the structure of a liquid crystal panel;

제2도는 액정표시판을 구동하기 위한 명령신호를 나타낸 파형도,2 is a waveform diagram showing a command signal for driving a liquid crystal panel;

제4도는 본 발명의 회로도.4 is a circuit diagram of the present invention.

Claims (1)

소오스를 전원에 연결하고 드레인을 모스트랜지스터(M2)의 드레인과 접속하며 게이트 입력신호(a)에 의하여구동되는 모스트랜지스터(M1)와 소오스를 접지하며 게이트 입력신호(b)에 의하여 구동되는 모스트랜지스터(M2)와 전원에 애노우드를 연결한 다이오드(D1)와, 다이오드(D1)의 캐소우드에 애노우드가 연결된 다이오드(D2)와 다이오드(D2)의 캐소우드에 소오스를 연결하고 게이트는 모스트랜지스트(M6)의 게이트와 연결된 모스트랜지스터(M5)와 모스트랜지스터(M5)의 드레인에 애노우드가 연결된 다이오드(D3)와 소오스가 다이오드(D3)의 캐소우드에 연결되어 있고 드레인이 모스트랜지스터(M4)의 드레인과 연결되어 있으며, 반전게이트 (G1)의 출력을 게이트 입력으로 하는 모스트랜지스터(M4)와 드레인이 모스트랜지스터(M3)의 드레인과 연결되어 있고, 게이트 입력신호(c)에 의하여 구동되는 모스트랜지스터(M4)와 모스트랜지스터(M3)의 게이트 입력신호를 반전하여 모스트랜지스터(M3)의 게이트 입력신호로 인가하여 반전게이트(G1)와 모스트랜지스터(M4)의 소오스에 애노우드가 연결된 다이오드(D4)와 게이트가 모스트랜지스터(M5)의 게이트와 연결되어 있고, 드레인이 다이오드(D4)의 캐소우드와 연결된 모스트랜지스터(M6)와 모스트랜지스터(M5)의 소오스에 애노우드가 연결된 다이오드(D5)와 다이오드(D5)의 캐소우드에 애노우드가 연결되고 캐소우드가 접지된 다이오드(D6)로 구성하여서, 모스트랜지스터(M1-M4)의 드레인과 모스트랜지스터(M5)(M6)의 게이트를 공통접속부로 하여 상기한 공통접속부의 세가지 레벨신호를 액정표시판의 구동신호로 사용하는 것을 특징으로 하는 액정표시 구동회로.The source is connected to a power source, the drain is connected to the drain of the MOS transistor (M 2 ), the MOS transistor (M 1 ) and the source driven by the gate input signal (A) are grounded, and driven by the gate input signal (B). MOS transistor (M 2) and the connected one diode (D 1) the anode to a power source, a source in the cathode of the diode (D 1) a diode (D 2) and a diode (D 2) the anode is connected to the cathode of The gate is connected to the gate of the MOS transistor (M 6 ) of the transistor (M 5 ) and the drain of the MOS transistor (M 5 ) and the anode (D 3 ) and the source of the diode (D 3 ) It is connected to the cathode and has the drain coupled to the drain of the MOS transistor (M 4), the inverting gate (G 1) MOS transistor (M 4) and a drain MOS transistor (M 3) to the output to the gate input of the drain And is connected to the inverting is applied to the gate input signal of the gate input signal (c) MOS transistor (M 4) and a MOS transistor MOS transistor to turn the gate input signals of (M 3) (M 3) which is driven by a gate ( G 1 ) and diode (D 4 ) whose gate is connected to the source of the transistor (M 4 ) and the gate is connected to the gate of the transistor (M 5 ), the drain is connected to the cathode of the diode (D 4 ) the MOS transistor anode is connected to the cathode of the (M 6) and the MOS transistor (M 5) the diode (D 5) and a diode (D 5) the anode connected to the source of and cathode is grounded diode (D 6) The three level signals of the common connection unit are used as driving signals of the liquid crystal panel using the drains of the MOS transistors M 1 to M 4 and the gates of the MOS transistors M 5 and M 6 as common connections. Characteristic A liquid crystal display driving circuit for a. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860010981A 1986-12-19 1986-12-19 Drive circuit of lcd display KR900001025B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019860010981A KR900001025B1 (en) 1986-12-19 1986-12-19 Drive circuit of lcd display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019860010981A KR900001025B1 (en) 1986-12-19 1986-12-19 Drive circuit of lcd display

Publications (2)

Publication Number Publication Date
KR880008067A true KR880008067A (en) 1988-08-30
KR900001025B1 KR900001025B1 (en) 1990-02-24

Family

ID=19254177

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860010981A KR900001025B1 (en) 1986-12-19 1986-12-19 Drive circuit of lcd display

Country Status (1)

Country Link
KR (1) KR900001025B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100686873B1 (en) * 2005-01-28 2007-02-23 엘지전자 주식회사 Source driving circuit of liquid crystal display
KR101332660B1 (en) * 2007-03-14 2013-11-26 엘지디스플레이 주식회사 Backlight driving circuit for liquid crystal display device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100686873B1 (en) * 2005-01-28 2007-02-23 엘지전자 주식회사 Source driving circuit of liquid crystal display
KR101332660B1 (en) * 2007-03-14 2013-11-26 엘지디스플레이 주식회사 Backlight driving circuit for liquid crystal display device

Also Published As

Publication number Publication date
KR900001025B1 (en) 1990-02-24

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