KR850008083A - 매트릭스형 액정표시장치의 선택전극 구동회로 - Google Patents

매트릭스형 액정표시장치의 선택전극 구동회로 Download PDF

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Publication number
KR850008083A
KR850008083A KR1019850003554A KR850003554A KR850008083A KR 850008083 A KR850008083 A KR 850008083A KR 1019850003554 A KR1019850003554 A KR 1019850003554A KR 850003554 A KR850003554 A KR 850003554A KR 850008083 A KR850008083 A KR 850008083A
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KR
South Korea
Prior art keywords
circuit
switching circuit
capacitor
pulse generator
switching
Prior art date
Application number
KR1019850003554A
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English (en)
Other versions
KR900005167B1 (ko
Inventor
시게루 모로가와 ( 외 1)
Original Assignee
야마자끼 로꾸야
시티즌 도께이 가부시기가이샤
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Application filed by 야마자끼 로꾸야, 시티즌 도께이 가부시기가이샤 filed Critical 야마자끼 로꾸야
Publication of KR850008083A publication Critical patent/KR850008083A/ko
Application granted granted Critical
Publication of KR900005167B1 publication Critical patent/KR900005167B1/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/63—Generation or supply of power specially adapted for television receivers
    • 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
    • G09G3/3696—Generation of voltages supplied to electrode 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
    • G09G3/3674—Details of drivers for scan electrodes
    • G09G3/3681—Details of drivers for scan electrodes suitable for passive 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
    • 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
    • G09G3/3692—Details of drivers for data electrodes suitable for passive matrices only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/66—Transforming electric information into light information
    • 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
    • G09G2310/0289—Details of voltage level shifters 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
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant

Landscapes

  • 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)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

내용 없음

Description

메트릭스형 액정표시장치의 선택전극 구동회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 선택전극 구동회로를 나타내며;
제4도는 스위칭 회로의 양태를 나타내는 회로도이며;
제6도는 스위칭 회로의 또 다른 양태를 나타내는 회로도이며;

Claims (7)

  1. 일정한 간격으로 기준펄스를 제공하는 펄스발생기; 양 전위 수준이 상기 기준펄스와 유사한 파형으로 변하는 전력 공급수단 : 및 상기 전력 공급수단에 의해 전력을 공급받는 스위칭 회로로 이루어진 매트릭스형 액정 표시장치용 선택전극 구동회로.
  2. 제1항에 있어서, 전력 공급수단이 펄스 발생기에서 나오는 기준펄스의 열을 레벨-이동시키기 위한 클램핑 회로로 주로 이루어진 선택전극 구동회로.
  3. 제2항에 있어서, 클램핑 회로가 스위칭 회로에 평행으로 연결된 커페시터 및 양극과 음극이 커페시터와 스위칭회로의 네가티브 단자 사이의 접점과 접지에 각각 연결된 다이오드로 이루어진 선택전극 구동회로.
  4. 제3항에 있어서, 클램핑 회로가 커페시터 및 다이오드 조합물의 부함물로 추가로 이루어져 있어 펄스 발생기를 향한 스위칭회로에서 바라본 임피던스의 평형을 달성할 수 있는 선택전극 구동회로.
  5. 제2항에 있어서, 클램핑 회로가 스위칭 회로에 평행으로 연결된 첫번째 커페시터; 콜랙터 및 에미터 전극이 스위칭 회로의 네가티브단자 및 접지에 연결된 트랜지스터; 트랜지스터의 베이스 전극에 연결된 두번째 커페시터; 및 첫번째 커페시터와 펄스 발생기 사이에 연결된 변환기로 이루어진 선택전극 구동회로.
  6. 제5항에 있어서, 클램핑 회로가 트랜지스터가 스위칭 구조의 부합물로 추가로 이루어져 있어 펄스발생기를 향한 스위칭 회로에서 바라본 임피던스의 평형을 달성할 수 있는 선택전극 구동회로.
  7. 제2항에 있어서, 클램핑 회로가 스위칭 회로에 평행으로 연결된 커페시터; 스위칭회로를 가로질러 입력단자에서 접지에 연결된 변환기; 및 전원, 게이트 및 드레인 전극이 스위칭회로의네가티브 단자, 변환기의 출력단자 및 접지에 각각 연결된 전계효관적 트랜지스터로 이루어진 선택전극 구동회로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850003554A 1984-05-24 1985-05-23 매트릭스형 액정표시장치의 선택전극 구동회로 KR900005167B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP84-105586 1984-05-24
JP59-105586 1984-05-24
JP59105586A JPS60249191A (ja) 1984-05-24 1984-05-24 表示駆動回路

Publications (2)

Publication Number Publication Date
KR850008083A true KR850008083A (ko) 1985-12-11
KR900005167B1 KR900005167B1 (ko) 1990-07-20

Family

ID=14411601

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850003554A KR900005167B1 (ko) 1984-05-24 1985-05-23 매트릭스형 액정표시장치의 선택전극 구동회로

Country Status (5)

Country Link
US (1) US4843252A (ko)
JP (1) JPS60249191A (ko)
KR (1) KR900005167B1 (ko)
GB (1) GB2161012B (ko)
HK (1) HK60688A (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8617593D0 (en) * 1986-07-18 1986-08-28 Stc Plc Display device
GB2194663B (en) * 1986-07-18 1990-06-20 Stc Plc Display device
JPH0799452B2 (ja) * 1989-04-25 1995-10-25 シチズン時計株式会社 表示駆動回路
CN1134693C (zh) 1995-01-11 2004-01-14 精工爱普生株式会社 电源电路、液晶显示装置和电子设备
US7106318B1 (en) 2000-04-28 2006-09-12 Jps Group Holdings, Ltd. Low power LCD driving scheme employing two or more power supplies
CN101312016B (zh) * 2007-05-22 2010-05-26 北京京东方光电科技有限公司 多级电平驱动装置
DE102009045052B4 (de) * 2008-09-30 2013-04-04 Infineon Technologies Ag Bereitstellen einer Versorgungsspannung für eine Ansteuerschaltung eines Halbleiterschaltelements

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936815A (en) * 1973-08-06 1976-02-03 Nippon Telegraph And Telephone Public Corporation Apparatus and method for writing storable images into a matrix-addressed image-storing liquid crystal display device
GB1504867A (en) * 1974-06-05 1978-03-22 Rca Corp Voltage amplitude multiplying circuits
US4100540A (en) * 1975-11-18 1978-07-11 Citizen Watch Co., Ltd. Method of driving liquid crystal matrix display device to obtain maximum contrast and reduce power consumption
CH608327B (fr) * 1976-01-19 Ebauches Sa Montre electronique.
JPS52128100A (en) * 1976-04-21 1977-10-27 Toshiba Corp Driver circuit
JPS5738497A (en) * 1980-08-19 1982-03-03 Sharp Kk Drive system for liquid crystal display unit
JPS5856584A (ja) * 1981-09-30 1983-04-04 Toshiba Corp 映像信号処理回路
JPS58125093A (ja) * 1982-01-22 1983-07-25 株式会社日立製作所 液晶駆動回路及びそれを用いた電子回路システム
FI64248C (fi) * 1982-02-17 1983-10-10 Lohja Ab Oy Foerfarande och koppling foer styrning av bildaotergivning ochisynnerhet vaexelstroems-elektroluminensaotergivning

Also Published As

Publication number Publication date
KR900005167B1 (ko) 1990-07-20
JPS60249191A (ja) 1985-12-09
GB8513083D0 (en) 1985-06-26
GB2161012B (en) 1987-11-04
GB2161012A (en) 1986-01-02
JPH0546954B2 (ko) 1993-07-15
HK60688A (en) 1988-08-19
US4843252A (en) 1989-06-27

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