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KR970050081A - Driving Method and Driving Circuit of Matrix Display - Google Patents

Driving Method and Driving Circuit of Matrix Display Download PDF

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Publication number
KR970050081A
KR970050081A KR1019950066703A KR19950066703A KR970050081A KR 970050081 A KR970050081 A KR 970050081A KR 1019950066703 A KR1019950066703 A KR 1019950066703A KR 19950066703 A KR19950066703 A KR 19950066703A KR 970050081 A KR970050081 A KR 970050081A
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South Korea
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signal
signal lines
vertical
horizontal
vertical signal
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KR1019950066703A
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Korean (ko)
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KR100218525B1 (en
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장락원
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김광호
삼성전자 주식회사
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Priority to KR1019950066703A priority Critical patent/KR100218525B1/en
Priority to JP8095386A priority patent/JPH09190162A/en
Publication of KR970050081A publication Critical patent/KR970050081A/en
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    • 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
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • 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
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3614—Control of polarity reversal in general
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2230/00—Details of flat display driving waveforms
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264—Details of driving circuits
    • G09G2310/0286—Details of a shift registers arranged for use in a driving circuit
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)

Abstract

본 발명은 행렬형 표시 장치의 구동 방법 및 구동 회로에 관한 것으로서, 더욱 상세하게는, 두개 선 동시 주사 방식과 점 반전 방식을 혼합한 구동 방법 및 이를 위한 구동 회로에 관한 것이다. 본 발명에서는 두개선 주사 방식과 점 반전 방식을 함께 사용하여 화소열을 따라서는 두 열마다 화상 신호의 극성이 바뀌고 행을 따라서는 매행마다 또는 매 삼행마다 화상 신호의 극성이 바뀌므로 종래의 두개 선 주사 방식에서 발생하는 플리커 현상이 방지된다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a driving method and a driving circuit of a matrix display device, and more particularly, to a driving method and a driving circuit for a combination of a two-line simultaneous scanning method and a point inversion method. In the present invention, the polarity of the image signal is changed every two columns along the pixel column and the polarity of the image signal is changed every row or every three rows along the pixel column by using the two-line scanning method and the point inversion method together. Flickering that occurs in the scanning method is prevented.

Description

행렬형 표시 장치의 구동 방법 및 구동 회로Driving Method and Driving Circuit of Matrix Display

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

제4도는 본 발명의 제1실시예에 따른 게이트 구동 회로를 도시한 구역도이고,4 is a sectional view showing a gate driving circuit according to the first embodiment of the present invention,

제5도는 본 발명의 제1실시예에 따른 데이터 구동 회로를 도시한 구역도이고,5 is a sectional view showing a data driving circuit according to the first embodiment of the present invention;

제6도는 (가) 및 (나)는 본 발명의 실시예에 따른 개폐 신호의 타이밍도로서, (가)는 홀수 필드일 때의 타이밍도이고 (나)는 짝수 필드일 때의 타이밍도이고,6 is a timing diagram of an open / close signal according to an embodiment of the present invention, (a) is a timing diagram when an odd field is shown, and (b) is a timing diagram when an even field is shown.

제7도 (가) 및 (나)는 본 발명의 실시예에 따른 개폐 신호의 타이밍도로서, (가)는 상부 데이터 구동 회로에서 내보내는 화상 신호의 타이밍도이고 (나)는 하부 데이터 구동 회로에서 내보내는 화상 신호의 타이밍도이고,7A and 7B are timing diagrams of an open / close signal according to an exemplary embodiment of the present invention, (a) is a timing diagram of an image signal output from an upper data driving circuit, and (b) is a timing diagram of a lower data driving circuit. Is a timing diagram of the image signal to be exported,

제8도 (가) 내지 (라)는 본 발명에 따른 행렬형 표시 장치의 구동 방법에서 나타나는 화상 신호의 극성을 화소별로 도시한 도면이다.8A to 8D are diagrams showing, for each pixel, polarities of image signals shown in the driving method of the matrix display device according to the present invention.

Claims (20)

다수의 가로 신호선과 다수의 세로 신호선을 통하여 인가되는 신호에 따라 표시 동작을 하는 행렬형 표시장치의 구동 방법으로서, 상기 다수의 가로 신호선을 둘 이상의 상기 가로 신호선을 포함하는 다수의 묶음으로 나누어 상기 하나의 가로 신호선 묶음에 동시에 개폐신호를 인가하는 단계, 상기 다수의 세로 신호선을 하나 이상의 상기 세로 신호선을 포함하는 다수의 묶음으로 나누어 서로 이웃하는 상기 세로 신호선 묶음에는 극성이 다른 화상 신호를 인가하는 단계를 포함하는 행렬형 표시 장치의 구동 방법.A method of driving a matrix type display device according to a signal applied through a plurality of horizontal signal lines and a plurality of vertical signal lines, the method comprising: dividing the plurality of horizontal signal lines into a plurality of bundles including two or more horizontal signal lines; Simultaneously applying an open / close signal to a bundle of horizontal signal lines, dividing the plurality of vertical signal lines into a plurality of bundles including one or more of the vertical signal lines, and applying image signals having different polarities to the adjacent bundles of vertical signal lines. A method of driving a matrix display device comprising a. 제1항에서, 상기 가로 신호선 묶음은 두 개의 가로 신호선을 포함하는 행렬형 표시 장치의 구동 방법.The method of claim 1, wherein the horizontal signal line bundle comprises two horizontal signal lines. 제2항에서, 상기 가로 신호선 묶음 안의 상기 가로 신호선은 서로 이웃하고 있는 행렬형 표시 장치의 구동 방법.The method of claim 2, wherein the horizontal signal lines in the horizontal signal line bundle are adjacent to each other. 제1항에서, 상기 세로 신호선 묶음은 하나의 상기 세로 신호선으로 이루어진 행렬형 표시 장치의 구동 방법.The method of claim 1, wherein the vertical signal line bundle comprises one vertical signal line. 제1항에서, 상기 세로 신호선 묶음 안의 상기 세로 신호선은 서로 이웃하는 행렬형 표시 장치의 구동 방법.The method of claim 1, wherein the vertical signal lines in the vertical signal line bundle are adjacent to each other. 제5항에서, 상기 세로 신호선 묶음 안의 상기 세로 신호선의 수는 셋인 행렬형 표시 장치의 구동 방법.The method of claim 5, wherein the number of the vertical signal lines in the vertical signal line bundle is three. 제1항에서, 다른 상기 가로 신호선 묶음에 개폐 신호를 인가하는 단계, 극성을 반전시킨 화상 신호를 상기 세로 신호선 묶음에 인가하는 단계를 더 포함하는 행렬형 표시 장치의 구동 방법.The driving method of claim 1, further comprising applying an opening / closing signal to the other horizontal signal line bundle, and applying an image signal having an inverted polarity to the vertical signal line bundle. 다수의 가로 신호선과 다수의 세로 신호선을 통하여 인가되는 신호에 다라 표시 동작을 하는 행렬형 표시 장치의 구동 방법으로서, 상기 다수의 가로 신호선을 서로 이웃하는 두 개의 상기 가로 신호선으로 이루어지는 다수의 묶음으로 나누어 상기 가로 신호선 묶음에 차례로 개폐 신호를 인가하는 단계, 상기 다수의 세로 신호선을 하나 이상의 상기 세로 신호선을 포함하는 다수의 묶음으로 나누어, 상기 개폐 신호가 인가될 때마다 서로 이웃하는 상기 세로 신호선 묶음에는 극성이 다른 화상 신호를 인가하는 단계를 포함하는 행렬형 표시 장치의 구동 방법.A method of driving a matrix type display device according to a signal applied through a plurality of horizontal signal lines and a plurality of vertical signal lines, wherein the plurality of horizontal signal lines are divided into a plurality of bundles of two adjacent horizontal signal lines. Applying an opening / closing signal to the bundle of horizontal signal lines in turn, dividing the plurality of vertical signal lines into a plurality of bundles including one or more of the vertical signal lines, wherein each of the vertical signal line bundles adjacent to each other when the opening and closing signal is applied is polarized; A method of driving a matrix display device comprising the step of applying another image signal. 제8항에서, 상기 세로 신호선 묶음은 하나의 상기 세로 신호선으로 이루어진 행렬형 표시 장치의 구동 방법.The method of claim 8, wherein the vertical signal line bundle comprises one vertical signal line. 제8항에서, 상기 세로 신호선 묶음 안의 상기 세로 신호선은 서로 이웃하는 행렬형 표시 장치의 구동 방법.The driving method of claim 8, wherein the vertical signal lines in the vertical signal line bundle are adjacent to each other. 제10항에서, 상기 세로 신호선 묶음 안의 상기 세로 신호선의 수는 셋인 행렬형 표시 장치의 구동 방법.The method of claim 10, wherein the number of the vertical signal lines in the vertical signal line bundle is three. 제8항에서, 상기 개폐 신호가 인가되는 상기 가로 신호선 묶음이 바뀔 때마다 극성을 반전시킨 화상신호를 상기 세로 신호선 묶음에 인가하는 행렬형 표시 장치의 구동 방법.The driving method of claim 8, wherein an image signal having an inverted polarity is applied to the vertical signal line bundle whenever the horizontal signal line bundle to which the open / close signal is applied is changed. 제8항에서, 상기 가로 신호선 묶음 모두에 한 번씩 개폐 신호가 인가되는 제1필드가 종료된 후에는, 서로 이웃하는 두 개의 상기 가로 신호선으로 이루어지는 다수의 묶음으로 나누되 상기 제1필드에서의 묶음과 다른 묶음으로 나누어 상기 가로 신호선 묶음에 차례로 개폐 신호를 인가하며 상기 개폐 신호가 인가될 때마다 서로 이웃하는 상기 세로 신호선 묶음에는 극성이 다른 화상 신호를 인가하는 제2필드가 뒤따르는 행렬형 표시 장치의 구동 방법.The method of claim 8, wherein after the first field to which the open / close signal is applied to all of the horizontal signal line bundles is finished, the first field is divided into a plurality of bundles consisting of two neighboring horizontal signal lines, wherein the bundles in the first field are included. A matrix display device in which an open / close signal is sequentially applied to the horizontal signal line bundle and a second field for applying an image signal having a different polarity is applied to the adjacent vertical signal line bundle whenever the open / close signal is applied. Method of driving. 제13항에서, 상기 제1필드 및 제2필드에서는 상기 화상 신호의 극성을 반전시키지 않는 행렬형 표시 장치의 구동 방법.The method of claim 13, wherein the polarity of the image signal is not reversed in the first field and the second field. 제14항에서, 상기 제1필드 및 제2필드로 이루어진 하나의 프레임이 종료되면, 화상 신호의 극성을 반전시켜 상기 세로 신호선 묶음에 인가하는 행렬형 표시 장치의 구동 방법.15. The method of claim 14, wherein when one frame consisting of the first field and the second field ends, the polarity of the image signal is inverted and applied to the vertical signal line bundle. 행렬의 형태로 배열되어 있는 다수의 화소를 포함하며 다수의 가로 신호선과 다수의 세로 신호선을 통하여 인가되는 개폐 신호 및 화상 신호에 따라 표시 동작을 하는 행렬형 표시 장치의 구동 회로로서, 상기 가로 신호선 중 홀수 번째의 상기 가로 신호선에 개폐 신호를 출력하는 제1시프트 레지스터와 상기 가로 신호선 중 짝수 번째의 상기 가로 신호선에 개폐 신호를 출력하는 제2시프트 레지스터를 포함하는 개폐 신호 구동 회로, 그리고 상기 세로 신호선 중 홀수 번째의 상기 세로 신호선에 화상 신호를 출력하는 제1화상 신호 구동 회로, 상기 세로 신호선 중 짝수 번째의 상기 세로 신호선에 화상 신호를 출력하는 제2화상 신호 구동 회로를 포함하는 행렬형 표시 장치의 구동 방법.A drive circuit of a matrix display device including a plurality of pixels arranged in a matrix form and performing display operation according to an open / close signal and an image signal applied through a plurality of horizontal signal lines and a plurality of vertical signal lines, wherein the horizontal signal lines An opening / closing signal driving circuit including a first shift register for outputting an opening / closing signal to the odd-numbered horizontal signal line and a second shift register for outputting an opening / closing signal to the even-numbered horizontal signal line among the horizontal signal lines, and the vertical signal line A first image signal driving circuit for outputting an image signal to the odd-numbered vertical signal lines, and a second image signal driving circuit for outputting an image signal to the even-numbered vertical signal lines among the vertical signal lines; Way. 행렬의 형태로 배열되어 있는 다수의 화소를 포함하며 다수의 가로 신호선과 다수의 세로 신호선을 통하여 인가되는 개폐 신호 및 화상 신호에 따라 표시 동작을 하는 행렬형 표시 장치의 구동 회로로서, 상기 가로 신호선 중 홀수 번째의 상기 가로 신호선에 개폐 신호를 출력하는 제1시프트 레지스터와 상기 가로 신호선 중 짝수 번째의 상기 가로 신호선에 개폐 신호를 출력하는 제2시프트 레지스터를 포함하는 개폐 신호 구동회로, 그리고 상기 세로 신호선 중 인접하는 세 개의 세로 신호선을 한 묶음으로 하여 홀수 번째의 상기 세로 신호선 묶음에 화상 신호를 출력하는 제1화상 신호 구동 회로, 상기 세로 신호선 묶음 중 짝수 번째의 상기 세로 신호선 묶음에 화상 신호를 출력하는 제2화상 신호 구동 회로를 포함하는 행렬형 표시 장치의 구동 회로.A drive circuit of a matrix display device including a plurality of pixels arranged in a matrix form and performing display operation according to an open / close signal and an image signal applied through a plurality of horizontal signal lines and a plurality of vertical signal lines, wherein the horizontal signal lines An opening / closing signal driving circuit including a first shift register for outputting an opening / closing signal to the odd-numbered horizontal signal line, and a second shift register for outputting an opening / closing signal to the even-numbered horizontal signal line among the horizontal signal lines, and among the vertical signal lines A first image signal driving circuit which outputs an image signal to the odd-numbered vertical signal line bundle by using three adjacent vertical signal lines as one bundle, and an outputting image signal to the even-numbered vertical signal line bundle among the vertical signal line bundles; A driving circuit of a matrix display device including two image signal driving circuits. 제17항에서, 상기 제1 및 제2화상 신호 구동 회로는 하나의 상기 세로 신호선 묶음 안의 상기 세로 신호선에 동시에 신호를 인가하는 수단을 포함하는 행렬형 표시 장치의 구동 회로.18. The driving circuit of claim 17, wherein the first and second image signal driving circuits comprise means for simultaneously applying a signal to the vertical signal lines in one bundle of the vertical signal lines. 제18항에서, 상기 신호 인가 수단은, 시프트 레지스터, 상기 시프트 레지스터로부터의 신호에 따라 상기 세로 신호선의 들어가는 화상 신호를 개폐하는 다수의 신호 개폐 수단을 포함하는 행렬형 표시 장치의 구동회로.19. The drive circuit according to claim 18, wherein the signal applying means includes a shift register and a plurality of signal opening and closing means for opening and closing an incoming image signal of the vertical signal line in accordance with a signal from the shift register. 제19항에서, 상기 신호 개폐 수단은, 상기 시프트 레지스터와 연결되어 있는 펄스 생성기, 그리고 상기 세로 신호선에 출력 단자가 연결되어 있고, 입력 단자에는 화상 신호가 인가되며, 두 제어 단자는 상기 펄스 생성기와 연결되어 있는 다수의 트랜스미션 게이트를 포함하는 행렬형 표시 장치의 구동 회로.20. The apparatus of claim 19, wherein the signal opening and closing means includes a pulse generator connected to the shift register, an output terminal connected to the vertical signal line, an image signal applied to an input terminal, and two control terminals connected to the pulse generator. A driving circuit of a matrix display device including a plurality of transmission gates connected to each other. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950066703A 1995-12-29 1995-12-29 Driving method and circuit for display device of matrix type KR100218525B1 (en)

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KR100543023B1 (en) * 1997-12-31 2006-03-24 삼성전자주식회사 Driving circuit for liquid crystal display device

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US6366271B1 (en) 1997-11-13 2002-04-02 Mitsubishi Denki Kabushiki Kaisha Method for driving a liquid crystal display apparatus and driving circuit therefor
KR100890025B1 (en) 2002-12-04 2009-03-25 삼성전자주식회사 Liquid crystal display device, drive device and method of liquid crystal display device
GB0323622D0 (en) 2003-10-09 2003-11-12 Koninkl Philips Electronics Nv Electroluminescent display-devices
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JP2005215584A (en) * 2004-02-02 2005-08-11 Ricoh Co Ltd Image display device and polarity-inverted ac driving method
JP2005345603A (en) * 2004-06-01 2005-12-15 Hitachi Displays Ltd Liquid crystal display apparatus and driving method for same
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JP4572095B2 (en) 2004-07-15 2010-10-27 Ｎｅｃ液晶テクノロジー株式会社 Liquid crystal display device, portable device, and driving method of liquid crystal display device
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KR100543023B1 (en) * 1997-12-31 2006-03-24 삼성전자주식회사 Driving circuit for liquid crystal display device
KR20020065991A (en) * 2001-02-08 2002-08-14 삼성전자 주식회사 A liquid crystal display device for thin film transistor

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