AT152850T - Data driver circuit for a liquid crystal display unit - Google Patents

Data driver circuit for a liquid crystal display unit

Info

Publication number
AT152850T
AT152850T AT93923613T AT93923613T AT152850T AT 152850 T AT152850 T AT 152850T AT 93923613 T AT93923613 T AT 93923613T AT 93923613 T AT93923613 T AT 93923613T AT 152850 T AT152850 T AT 152850T
Authority
AT
Austria
Prior art keywords
liquid crystal
display unit
crystal display
driver circuit
data driver
Prior art date
Application number
AT93923613T
Other languages
German (de)
Inventor
Sywe Neng Lee
Original Assignee
Yuen Foong Yu H K Co Ltd
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
Priority to US07/971,721 priority Critical patent/US5426447A/en
Application filed by Yuen Foong Yu H K Co Ltd filed Critical Yuen Foong Yu H K Co Ltd
Publication of AT152850T publication Critical patent/AT152850T/en

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • G09G3/3611Control of matrices with row and column drivers
    • G09G3/3685Details of drivers for data electrodes
    • G09G3/3688Details of drivers for data electrodes suitable for active matrices only
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00Aspects of the constitution of display devices
    • G09G2300/04Structural and physical details of display devices
    • G09G2300/0404Matrix technologies
    • G09G2300/0408Integration of the drivers onto the display substrate
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/02Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0243Details of the generation of driving signals
    • G09G2310/0251Precharge or discharge of pixel before applying new pixel voltage
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/02Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264Details of driving circuits
    • G09G2310/0297Special arrangements with multiplexing or demultiplexing of display data in the drivers for data electrodes, in a pre-processing circuitry delivering display data to said drivers or in the matrix panel, e.g. multiplexing plural data signals to one D/A converter or demultiplexing the D/A converter output to multiple columns
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/2007Display of intermediate tones
    • G09G3/2011Display of intermediate tones by amplitude modulation
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • G09G3/3611Control of matrices with row and column drivers
    • G09G3/3614Control of polarity reversal in general
AT93923613T 1992-11-04 1993-10-25 Data driver circuit for a liquid crystal display unit AT152850T (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US07/971,721 US5426447A (en) 1992-11-04 1992-11-04 Data driving circuit for LCD display

Publications (1)

Publication Number Publication Date
AT152850T true AT152850T (en) 1997-05-15

Family

ID=25518717

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93923613T AT152850T (en) 1992-11-04 1993-10-25 Data driver circuit for a liquid crystal display unit

Country Status (14)

Country Link
US (1) US5426447A (en)
EP (1) EP0667022B1 (en)
JP (1) JP3262908B2 (en)
CN (1) CN1071025C (en)
AT (1) AT152850T (en)
AU (1) AU667597B2 (en)
BR (1) BR9307368A (en)
CA (1) CA2148351C (en)
DE (2) DE69310534D1 (en)
DK (1) DK0667022T3 (en)
ES (1) ES2105337T3 (en)
GR (1) GR3024364T3 (en)
RU (1) RU2160933C2 (en)
WO (1) WO1994010676A1 (en)

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Also Published As

Publication number Publication date
JPH0713528A (en) 1995-01-17
CN1071025C (en) 2001-09-12
AU5341994A (en) 1994-05-24
BR9307368A (en) 1999-08-31
EP0667022B1 (en) 1997-05-07
JP3262908B2 (en) 2002-03-04
CA2148351A1 (en) 1994-05-11
ES2105337T3 (en) 1997-10-16
WO1994010676A1 (en) 1994-05-11
CN1087728A (en) 1994-06-08
US5426447A (en) 1995-06-20
DK667022T3 (en)
CA2148351C (en) 2002-12-31
AU667597B2 (en) 1996-03-28
DK0667022T3 (en) 1997-12-08
DE69310534T2 (en) 1997-09-11
EP0667022A1 (en) 1995-08-16
RU2160933C2 (en) 2000-12-20
GR3024364T3 (en) 1997-11-28
DE69310534D1 (en) 1997-06-12

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee