WO2010027222A3 - 디더링 스위치를 구비하는 증폭기 및 상기 증폭기를 사용하는 디스플레이 구동회로 - Google Patents

디더링 스위치를 구비하는 증폭기 및 상기 증폭기를 사용하는 디스플레이 구동회로 Download PDF

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Publication number
WO2010027222A3
WO2010027222A3 PCT/KR2009/005028 KR2009005028W WO2010027222A3 WO 2010027222 A3 WO2010027222 A3 WO 2010027222A3 KR 2009005028 W KR2009005028 W KR 2009005028W WO 2010027222 A3 WO2010027222 A3 WO 2010027222A3
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WO
WIPO (PCT)
Prior art keywords
amplifier
bias
stage
transistors
path
Prior art date
Application number
PCT/KR2009/005028
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English (en)
French (fr)
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WO2010027222A2 (ko
WO2010027222A4 (ko
Inventor
손영석
안용성
조현자
오형석
한대근
Original Assignee
(주)실리콘웍스
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
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Application filed by (주)실리콘웍스 filed Critical (주)실리콘웍스
Priority to JP2011525982A priority Critical patent/JP2012502313A/ja
Priority to CN2009801348279A priority patent/CN102144254A/zh
Priority to US13/062,652 priority patent/US8638164B2/en
Publication of WO2010027222A2 publication Critical patent/WO2010027222A2/ko
Publication of WO2010027222A3 publication Critical patent/WO2010027222A3/ko
Publication of WO2010027222A4 publication Critical patent/WO2010027222A4/ko

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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
    • 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
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • 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
    • G09G2310/0243—Details of the generation of driving signals
    • G09G2310/0248—Precharge or discharge of column electrodes before or after applying exact column voltages
    • 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
    • G09G2310/0243—Details of the generation of driving signals
    • G09G2310/0254—Control of polarity reversal in general, other than for liquid crystal displays
    • 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
    • G09G2310/027—Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
    • 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
    • G09G2310/0291—Details of output amplifiers or buffers 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
    • 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
    • G09G2310/0297—Special 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
    • 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
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving
    • G09G2330/023—Power management, e.g. power saving using energy recovery or conservation

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

Abstract

본 발명은 최소한의 모스트랜지스터의 개수 및 최소한의 디더링 스위치를 구비하는 증폭기 및 상기 증폭기를 버퍼로 사용하는 디스플레이 구동회로를 개시(introduce)한다. 상기 증폭기는 입력스테이지, 바이어스 스테이지 및 출력스테이지를 구비한다. 상기 입력스테이지는 제1바이어스전압에 응답하여 수신된 2개의 입력전압에 대응하여 2개의 노드의 전압준위를 결정하며, 4개의 경로선택스위치, 2개의 입력트랜지스터 및 1개의 바이어스 트랜지스터를 구비한다. 상기 바이어스 스테이지는 상기 2개의 노드의 전압준위에 대응되는 2개의 클래스 AB 출력전압을 생성하며, 전류미러, 10개의 경로선택스위치들, 클래스 AB 바이어스회로 및 2개의 바이어스 트랜지스터를 구비한다. 상기 출력스테이지는 상기 2개의 클래스 AB 출력전압에 대응되는 출력전압을 생성하며, 2개의 커플링 커패시터 및 2개의 푸시풀 트랜지스터를 구비한다. 여기서 상기 복수 개의 경로선택스위치들은 서로 배타적으로 인에이블 되는 제1경로선택신호 및 제2경로선택신호 중 하나의 신호에 의해 동작된다.
PCT/KR2009/005028 2008-09-05 2009-09-04 디더링 스위치를 구비하는 증폭기 및 상기 증폭기를 사용하는 디스플레이 구동회로 WO2010027222A2 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2011525982A JP2012502313A (ja) 2008-09-05 2009-09-04 ディザリングスイッチを具備する増幅器及び該増幅器を使用するディスプレイ駆動回路
CN2009801348279A CN102144254A (zh) 2008-09-05 2009-09-04 具有抖动开关的放大器及具有该放大器的显示器驱动电路
US13/062,652 US8638164B2 (en) 2008-09-05 2009-09-04 Amplifier including dithering switch and display driving circuit using the amplifier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020080087506A KR100980347B1 (ko) 2008-09-05 2008-09-05 디더링 스위치를 구비하는 증폭기 및 그 증폭기를 사용하는 디스플레이 구동회로
KR10-2008-0087506 2008-09-05

Publications (3)

Publication Number Publication Date
WO2010027222A2 WO2010027222A2 (ko) 2010-03-11
WO2010027222A3 true WO2010027222A3 (ko) 2010-06-24
WO2010027222A4 WO2010027222A4 (ko) 2010-08-12

Family

ID=41797673

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/005028 WO2010027222A2 (ko) 2008-09-05 2009-09-04 디더링 스위치를 구비하는 증폭기 및 상기 증폭기를 사용하는 디스플레이 구동회로

Country Status (6)

Country Link
US (1) US8638164B2 (ko)
JP (1) JP2012502313A (ko)
KR (1) KR100980347B1 (ko)
CN (1) CN102144254A (ko)
TW (1) TWI421824B (ko)
WO (1) WO2010027222A2 (ko)

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KR101206268B1 (ko) * 2010-10-01 2012-11-29 주식회사 실리콘웍스 슬루 레이트가 개선된 소스 드라이버 집적회로
TWI582743B (zh) 2011-05-03 2017-05-11 矽工廠股份有限公司 用於顯示穩定的液晶面板驅動電路
KR101247502B1 (ko) * 2011-05-03 2013-03-26 주식회사 실리콘웍스 화상 안정화를 위한 액정패널 구동 회로
KR20130033798A (ko) 2011-09-27 2013-04-04 삼성디스플레이 주식회사 표시장치
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KR101916224B1 (ko) 2012-03-21 2018-11-08 삼성전자 주식회사 출력 버퍼용 증폭기 및 이를 이용한 신호 처리 장치
KR101663157B1 (ko) 2014-12-11 2016-10-06 주식회사 동부하이텍 반전력 버퍼 증폭기
KR102388710B1 (ko) * 2015-04-30 2022-04-20 삼성디스플레이 주식회사 액정 표시 장치 및 그 구동 방법
US9841455B2 (en) * 2015-05-20 2017-12-12 Xilinx, Inc. Transmitter configured for test signal injection to test AC-coupled interconnect
KR102287759B1 (ko) * 2015-07-30 2021-08-09 삼성전자주식회사 출력 버퍼를 포함하는 소스 드라이버, 디스플레이 구동 회로 및 소스 드라이버의 동작방법
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KR20000000788A (ko) * 1998-06-03 2000-01-15 김영환 Tft－lcd 구동 회로
JP2003168936A (ja) * 2001-11-30 2003-06-13 Fujitsu Ltd ボルテージホロワ及びそのオフセットキャンセル回路並びに液晶表示装置及びそのデータドライバ
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Also Published As

Publication number Publication date
KR100980347B1 (ko) 2010-09-06
TWI421824B (zh) 2014-01-01
JP2012502313A (ja) 2012-01-26
KR20100028677A (ko) 2010-03-15
CN102144254A (zh) 2011-08-03
US8638164B2 (en) 2014-01-28
TW201011716A (en) 2010-03-16
US20110169808A1 (en) 2011-07-14
WO2010027222A2 (ko) 2010-03-11
WO2010027222A4 (ko) 2010-08-12

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