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KR970002827A - Crosstalk Compensation Circuit of Liquid Crystal Display Device and Its Driving Method - Google Patents

Crosstalk Compensation Circuit of Liquid Crystal Display Device and Its Driving Method Download PDF

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Publication number
KR970002827A
KR970002827A KR1019950016682A KR19950016682A KR970002827A KR 970002827 A KR970002827 A KR 970002827A KR 1019950016682 A KR1019950016682 A KR 1019950016682A KR 19950016682 A KR19950016682 A KR 19950016682A KR 970002827 A KR970002827 A KR 970002827A
Authority
KR
South Korea
Prior art keywords
data
liquid crystal
crystal display
value
line
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
KR1019950016682A
Other languages
Korean (ko)
Inventor
김성호
Original Assignee
윤종용
삼성전관 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 윤종용, 삼성전관 주식회사 filed Critical 윤종용
Priority to KR1019950016682A priority Critical patent/KR970002827A/en
Priority to GB9612943A priority patent/GB2302437A/en
Priority to DE19624880A priority patent/DE19624880A1/en
Priority to JP8161503A priority patent/JPH0916133A/en
Publication of KR970002827A publication Critical patent/KR970002827A/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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
    • G09G3/3622—Control of matrices with row and column drivers using a passive matrix
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G09G2300/0828—Several active elements per pixel in active matrix panels forming a digital to analog [D/A] conversion 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
    • G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display

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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)
  • Liquid Crystal (AREA)

Abstract

이 발명은 액정표시소자의 크로스토크 보상회로 및 그 구동방법에 관한 것으로서, 래치 클럭의 주기마다 변화하는 컬럼 데이타 전압에 의해서 넌셀럭트 로우 라인에 발생하는 미분 파형에 의한 화소의 왜곡을 없애기 위해 보상전압을 만들어서 넌셀렉트 로우 라인에 인가하므로써 크로스토크를 줄이는 액정표시소자의 크로스토크 보상회로 및 그 구동방법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a crosstalk compensation circuit of a liquid crystal display device and a driving method thereof. The present invention relates to a crosstalk compensation circuit of a liquid crystal display device and a method of driving the same. The present invention relates to a crosstalk compensation circuit of a liquid crystal display device and a method of driving the same, which reduce crosstalk by applying a non-select low line to a non-select low line.

Description

액정표시소자의 크로스토크 보상회로 및 그 구동방법Crosstalk Compensation Circuit of Liquid Crystal Display Device and Its Driving Method

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

제3도는 이 발명의 실시예에 따른 액정표시소자의 크로스토크 보상회로를 나타낸 블럭도, 제4도는 이 발명의 실시예에 따른 액정표시소자의 크로스토크 보상회로의 구동방법을 나타낸 흐름도.3 is a block diagram showing a crosstalk compensation circuit of a liquid crystal display according to an embodiment of the present invention, and FIG. 4 is a flowchart showing a method of driving a crosstalk compensation circuit of a liquid crystal display according to an embodiment of the present invention.

Claims (3)

액정표시 컨트롤러와, 상기한 액정표시 컨트롤러로부터 한 라인의 컬럼 데이타를 입력받아 온 데이타와 오프 데이타의 갯수를 계산하는 데이타 가산기와, 상기한 데이타 가산기로부터 합산된 결과를 입력받아서 저장하고 다음 라인의 데이타가 입력되면 저장하고 있던 전 라인의 데이타를 출력하는 레지스터와, 상기한 데이타 가산기와 상기한 레지스터로부터 데이타를 입력받아서 극성과 크기로 분류하여 출력하는 비교기와, 상기한 비교기로부터 입력된 디지털 값을 아날로그 값으로 변환하여 출력하는 디지털/아날로그 컨버터와, 상기한 디지털/아날로그 컨버터의 출력을 입력받아서 넌셀렉트 로우 라인에 인가될 전압과의 차이에 따라 임의의 증폭율로 전압을 증폭하여 출력하는 전압증폭기와, 상기한 전압증폭기의 출력을 입력받아 넌셀렉트 로우 라인에 보상전압을 출력하는 액정표시 드라이브 IC로 이루어지는 것을 특징으로 하는 액정표시소자의 크로스토크 보상회로.A liquid crystal display controller, a data adder that calculates the number of on-line data and off-data received from the above-mentioned liquid crystal display controller, and stores and stores the result of the sum of the data adders. Is a register for outputting data of all lines stored, a comparator for receiving data from the data adder and the register, classifying the data into polarity and size, and outputting a digital value from the comparator. A digital / analog converter for converting and outputting a value, and a voltage amplifier for amplifying and outputting a voltage at an arbitrary amplification rate according to a difference between the output of the digital / analog converter and the voltage to be applied to the non-select low line. , The output of the above voltage amplifier is input to non-select Of the liquid crystal display element which comprises a liquid crystal display drive IC for outputting a compensation voltage to the line cross-talk correction circuit. 제1항에 있어서, 상기한 비교기는 상기 레지스터로부터 입력된 전 라인의 계산값과 상기 데이타 가산기로 부터 입력된 현재 라인의 계산값을 비교하며, 이 결과값은 각 컬럼 라인 데이타 전압에 가중치를 두고 합하여진 값으로써 2진수로 출력되고, 극성을 표시하는 비트도 포함되는 것을 특징으로 하는 액정표시소자의 크로스토크 보상회로.The method of claim 1, wherein the comparator compares the calculated value of all lines inputted from the register with the calculated value of the current line inputted from the data adder, the result being weighted for each column line data voltage. A crosstalk compensation circuit of a liquid crystal display device, characterized in that the sum is a binary value and a bit indicating a polarity is also included. 액정표시 컨트롤러에서 특정 로우 라인의 컬럼 데이타를 데이타 가산기에 입력하는 단계와, 상기 데이타 가산기에서 쉬프트 클럭 주기로 입력된 특정 로우 라인의 데이타를 분류 기준에 의해 계산하는 단계와, 데이타 가산기에서 계산된 값을 레지스터와 비교기로 출력하는 단계와, 상기 레지스터로부터 입력된 전 라인의 값과 상기 데이타 가산기로부터 입력된 현재 라인의 값을 비교기에서 극성과 크기로 분류하는 단계와, 디지털/아날로그 컨버터에서 상기 비교기로부터 입력된 디지털 값을 아날로그 값으로 변환하는 단계와, 전압증폭기에서 정상적인 넌셀렉트 로우 라인 전압을 기준으로 하여 상기 디지털/아날로그 컨버터로부터 입력된 데이타 값을 임의의 증폭율로 증폭해서 보상전압을 만들어 출력하여 액정표시 드라이브 IC를 거쳐 넌셀렉트 로우 라인에 인가하는 단계로 이루어지는 것을 특징으로 하는 액정표시소자의 크로스토크 보상회로의 구동방법.Inputting column data of a specific row line into a data adder in the LCD controller, calculating data of a specific row line input in a shift clock period by the data adder according to a classification criterion, and calculating a value calculated by the data adder Outputting a register and a comparator, classifying the values of all lines input from the register and the values of the current line input from the data adder into polarity and magnitude in the comparator, and inputting from the comparator in a digital / analog converter. Converting the digital value into an analog value, and amplifying the data value input from the digital / analog converter at an arbitrary amplification factor based on a normal non-select low line voltage in a voltage amplifier to generate a compensation voltage and output the liquid crystal. Non-select via display drive IC A drive method of a cross-talk correction circuit of a liquid crystal display element, characterized in that comprising the steps of applying the right line. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950016682A 1995-06-21 1995-06-21 Crosstalk Compensation Circuit of Liquid Crystal Display Device and Its Driving Method Withdrawn KR970002827A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019950016682A KR970002827A (en) 1995-06-21 1995-06-21 Crosstalk Compensation Circuit of Liquid Crystal Display Device and Its Driving Method
GB9612943A GB2302437A (en) 1995-06-21 1996-06-20 Crosstalk compensation in liquyid crystal displays
DE19624880A DE19624880A1 (en) 1995-06-21 1996-06-21 Control method and apparatus for a crosstalk compensation circuit for a liquid crystal display device
JP8161503A JPH0916133A (en) 1995-06-21 1996-06-21 Crosstalk compensation circuit for liquid crystal display device and driving method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950016682A KR970002827A (en) 1995-06-21 1995-06-21 Crosstalk Compensation Circuit of Liquid Crystal Display Device and Its Driving Method

Publications (1)

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KR970002827A true KR970002827A (en) 1997-01-28

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KR1019950016682A Withdrawn KR970002827A (en) 1995-06-21 1995-06-21 Crosstalk Compensation Circuit of Liquid Crystal Display Device and Its Driving Method

Country Status (4)

Country Link
JP (1) JPH0916133A (en)
KR (1) KR970002827A (en)
DE (1) DE19624880A1 (en)
GB (1) GB2302437A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100573092B1 (en) * 1998-05-28 2006-08-18 삼성에스디아이 주식회사 Driving Method of Electroluminescent Display Element

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006040186B4 (en) * 2006-08-26 2008-07-31 Robert Bosch Gmbh Method for operating an electrical device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100573092B1 (en) * 1998-05-28 2006-08-18 삼성에스디아이 주식회사 Driving Method of Electroluminescent Display Element

Also Published As

Publication number Publication date
GB9612943D0 (en) 1996-08-21
DE19624880A1 (en) 1997-01-02
JPH0916133A (en) 1997-01-17
GB2302437A (en) 1997-01-15

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19950621

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid