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KR19980060012A - Liquid crystal display - Google Patents

Liquid crystal display Download PDF

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Publication number
KR19980060012A
KR19980060012A KR1019960079360A KR19960079360A KR19980060012A KR 19980060012 A KR19980060012 A KR 19980060012A KR 1019960079360 A KR1019960079360 A KR 1019960079360A KR 19960079360 A KR19960079360 A KR 19960079360A KR 19980060012 A KR19980060012 A KR 19980060012A
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South Korea
Prior art keywords
data
liquid crystal
odd
driving
crystal panel
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KR1019960079360A
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KR100431625B1 (en
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오정민
신혁상
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김광호
삼성전자 주식회사
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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
    • 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
    • G09G3/3685—Details of drivers for data electrodes
    • G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
    • 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
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/06—Handling electromagnetic interferences [EMI], covering emitted as well as received electromagnetic radiation

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

Abstract

본 발명은 듀얼 포트(dual port) 데이터 구동 집적 회로를 이용한 4분주 구동을 위한 액정 표시 장치에 관한 것으로서, 각 데이터 구동 집적회로는 액정 패널 상의 두 개의 데이터 라인을 동시에 구동하며, 홀수번째 데이터 구동 집적회로 중 하나와 짝수번째 데이터 구동 집적회로 중 하나가 동시에 액정 패널을 구동함으로써, 액정 패널 상의 4개의 데이터 라인이 동시에 구동되도록 하여 4분주 구동을 실현하고, 이로인해 액정 패널의 구동 주파수를 1/4로 감소시킬 수 있다.The present invention relates to a liquid crystal display device for four-division driving using a dual port data driver integrated circuit, wherein each data driver integrated circuit simultaneously drives two data lines on the liquid crystal panel, and integrates an odd data driver. One of the circuits and one of the even-numbered data driving integrated circuits simultaneously drive the liquid crystal panel so that four data lines on the liquid crystal panel are driven simultaneously to realize four-division driving, thereby driving the driving frequency of the liquid crystal panel 1/4. Can be reduced.

Description

액정 표시 장치Liquid crystal display

본 발명은 액정 표시 장치에 관한 것으로서, 더욱 상세하게는, 듀얼 포트(dual port) 구동 집적 회로를 이용한 4분주 구동을 제시하는 액정 표시 장치에 관한 것이다.HCLK1와 동기시켜 데이터선에 인가한다. 여기서, DO´(0:17)의 데이터(D1, D2, D3,...... )는 홀수 번째 데이터선에 입력되는 데이터이고, DE´(0:17)의 데이터(D2, D4, D6,..........)는 짝수 번째 데이터선에 입력되는 데이터이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display device, and more particularly, to a liquid crystal display device which proposes a four-division drive using a dual port driver integrated circuit. The present invention is applied to a data line in synchronization with HCLK1. Here, the data (D1, D2, D3, ...) of DO '(0:17) are data input to the odd-numbered data line, and the data (D2, D4, ...) of DE' (0:17). D6, .....) is data input to the even-numbered data line.

본 발명은 이러한 문제점을 해결하기 위한 것으로서, 2분주된 데이터를 다시 2분주하여 전체의 주파수를 1/4로 낮추는 데 있다.The present invention is to solve this problem, it is to divide the two-divided data again two times to lower the overall frequency to 1/4.

도1은 종래의 기술과 본 발명의 실시예에 따른 데이터의 신호처리 방법을 도시한 타이밍도이고,회로의 데이터 배선을 도시한 배선도이다.1 is a timing diagram showing a conventional method and a signal processing method of data according to an embodiment of the present invention, and a wiring diagram showing data wiring of a circuit.

이러한 본 발명에 따른 액정 표시 장치에서는 다수의 M개 데이터 신호선이 형성되어 있는 액정 패널에 데이터 신호를 인가하기 위하여 N 개의 출력 채널을 가지는 다수의 듀얼 포트 데이터 구동 집적 회로를 포함하고 있다.상기 입력 데이터에 따라 액정 패널 상의 대응하는 홀수 데이터 신호선과 짝수 데이터 신호선을 제1수평시작신호에 동기된 타이밍으로 동시에 구동한다.시할 수 있을 정도로 상세히 설명한다.신호의 포맷이 본 발명에서 사용되는 듀얼 포트 데이터 구동 집적회로에 맞는 형식으로 변환된다.The liquid crystal display according to the present invention includes a plurality of dual port data driving integrated circuits having N output channels for applying data signals to a liquid crystal panel in which a plurality of M data signal lines are formed. Correspondingly, the corresponding odd data signal lines and even data signal lines on the liquid crystal panel are simultaneously driven at a timing synchronized with the first horizontal start signal. The description will be made as detailed as possible. The format of the signal is dual port data used in the present invention. It is converted into a format suitable for the driving integrated circuit.

따라서, 본 발명에 따른 4분주 구동을 위한 액정 표시 장치는 액정 패널의 4분주 구동을 가능하게 하며, 높은 구동 주파수로 인해 발생하는 전자파 장에(EMI) 문제를 해결할 뿐만 아니라 액정 표시 장치의 고해상도 구현을 용이하게 한다.Accordingly, the liquid crystal display device for four-division driving according to the present invention enables four-division driving of the liquid crystal panel, and solves the electromagnetic field (EMI) problem caused by the high driving frequency, and also realizes high resolution of the liquid crystal display device. To facilitate.

Claims (2)

다수의 데이터 라인을 가지는 액정 패널; 제1 홀수 데이터 신호를 통하여 각각의 채널 중에 홀수 번째의 출력에 해당하는 데이터를 입력받는 동시에 제1짝수 데이터 신호를 통하여 각각의 채널 중에 짝수 번째의 출력에 해당하는 데이터를 입력받으며, 상기 입력 데이터에 따라 액정패널 상의 대응하는 홀수 데이터 신호선과 짝수 데이터 신호선을 제1수평시작신호에 동기된 타이밍으로 동시에 구동하는 홀수번째 데이터 구동 집적회로; 및 제2 홀수 데이터 신호를 통하여 각각의 채널 중에 홀수 번째의 출력에 해당하는 데이터를 입력받는 동시에 제2 짝수 데이터 신호를 통하여 각각의 채널 중에 짝수 번째의 출력에 해당하는 데이터를 입력받으며, 상기 입력 데이터에 따라 액정패널 상의 대응하는 홀수 데이터 신호선과 짝수 데이터 신호선을 제2수평시작신호에 동기된 타이밍으로 동시에 구동하는, 짝수번째 데이터 구동 집적회로를 포함하는 4분주 구동을 위한 액정 표시 장치.A liquid crystal panel having a plurality of data lines; Receives data corresponding to an odd numbered output of each channel through a first odd data signal, and receives data corresponding to an even numbered output of each channel through a first even data signal, An odd data driver integrated circuit for simultaneously driving corresponding odd data signal lines and even data signal lines on the liquid crystal panel at a timing synchronized with the first horizontal start signal; And receiving data corresponding to an odd numbered output of each channel through a second odd data signal, and receiving data corresponding to an even numbered output of each channel through a second even data signal. And an even-numbered data driving integrated circuit for simultaneously driving corresponding odd data signal lines and even data signal lines on the liquid crystal panel at a timing synchronized with the second horizontal start signal. 제1항에 있어서, 상기한 제1수평시작신호와 제2수평시작신호 사이에는 최초의 홀수번째 데이터 구동 집적회로와 최초의 짝수번째 데이터 구동 집적회로에 데이터 신호가 도달하는 시간차에 상응하는 위상차가 설정되는 4분주 구동을 위한 액정 표시 장치.2. The method of claim 1, wherein a phase difference corresponding to a time difference between the first horizontal start signal and the second horizontal start signal in which a data signal arrives at the first odd-numbered data driving integrated circuit and the first even-numbered data driving integrated circuit is determined. A liquid crystal display for driving four divisions set.
KR1019960079360A 1996-12-31 1996-12-31 Liquid crystal display Expired - Fee Related KR100431625B1 (en)

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KR1019960079360A KR100431625B1 (en) 1996-12-31 1996-12-31 Liquid crystal display

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KR1019960079360A KR100431625B1 (en) 1996-12-31 1996-12-31 Liquid crystal display

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990074451A (en) * 1998-03-11 1999-10-05 윤종용 Voltage driver of liquid crystal display with dual bank structure
US8026891B2 (en) 2002-02-21 2011-09-27 Samsung Electronics Co., Ltd. Flat panel display including transceiver circuit for digital interface

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101969952B1 (en) 2012-06-05 2019-04-18 삼성디스플레이 주식회사 Display device
KR101971099B1 (en) 2018-02-21 2019-04-23 주식회사 부보 the light safety band using the reflective structure
KR102199400B1 (en) 2019-03-19 2021-01-06 주식회사 부보 the light safety band using the reflective structure
KR102631000B1 (en) 2019-11-11 2024-01-31 주식회사 부보 the detachable structure of the light safety band

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61219023A (en) * 1985-03-23 1986-09-29 Sharp Corp Liquid-crystal display device
JPH04281429A (en) * 1991-03-11 1992-10-07 Sanyo Electric Co Ltd Liquid crystal display device
JP3238758B2 (en) * 1992-09-18 2001-12-17 富士通株式会社 Drive circuit for liquid crystal display
JPH06274132A (en) * 1993-03-23 1994-09-30 Sanyo Electric Co Ltd Liquid crystal display device
KR100415620B1 (en) * 2001-12-26 2004-01-24 엘지.필립스 엘시디 주식회사 Liquid Crystal Display and Driving Method Thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990074451A (en) * 1998-03-11 1999-10-05 윤종용 Voltage driver of liquid crystal display with dual bank structure
US8026891B2 (en) 2002-02-21 2011-09-27 Samsung Electronics Co., Ltd. Flat panel display including transceiver circuit for digital interface

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