KR920022887A - 디지탈 화상표시 방법 - Google Patents

디지탈 화상표시 방법 Download PDF

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KR920022887A
KR920022887A KR1019920007951A KR920007951A KR920022887A KR 920022887 A KR920022887 A KR 920022887A KR 1019920007951 A KR1019920007951 A KR 1019920007951A KR 920007951 A KR920007951 A KR 920007951A KR 920022887 A KR920022887 A KR 920022887A
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thin film
complementary
film transistor
liquid crystal
signal line
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KR970004055B1 (ko
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아키라 마세
마사아키 히로키
야스히코 다케무라
순페이 야마자끼
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순페이 야마자끼
가부시키가이샤 한도오따이 에네루기 겐큐소
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    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/13624—Active matrix addressed cells having more than one switching element per pixel
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated 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
    • G09G3/34—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
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/13624—Active matrix addressed cells having more than one switching element per pixel
    • G02F1/136245—Active matrix addressed cells having more than one switching element per pixel having complementary transistors
    • 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
    • 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
    • G09G2300/0823—Several active elements per pixel in active matrix panels used to establish symmetry in driving, e.g. with polarity inversion
    • 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
    • G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
    • 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
    • G09G2330/08—Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared
    • 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
    • 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
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • G09G3/3651—Control of matrices with row and column drivers using an active matrix using multistable liquid crystals, e.g. ferroelectric liquid crystals

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Thin Film Transistor (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

내용 없음.

Description

디지탈 화상표시 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명을 실시하기 위한 구성을 2×2의 매트릭스에 맞춘 경우의 설명도.
제2도는 본 발명을 사용하지 않은 종래의 구성의 예시도.
제3도는 본 발명을 실시하기 위하여 사용한 회로의 일례도.
제4도는 본 실시예 1에서 제작한 회로의 평면도 및 단면도.
제5도는 본 실시예 1에 있어서의 TFT제작공정도의 일례도.
제6도는 본 실시예 1에 있어서 TFT제작공정도의 일례도.
제7도는 본 실시예 1에 있어서, 2×2매트릭스의 C/TFT를 구동시키는 신호의 일례도.

Claims (6)

  1. 기판상에 매트릭스 구성을 갖는 복수의 화소가 설치된 TN액정을 이용한 액정 전기광학장치로서, 각각의 화소전극에 P채널형 박막 트랜지스터와 N채널형 박막 트랜지스터와의 각각의 입출력단을 서로 연결하여 상보형으로 구성한 상보형 박막 트랜지스터를 적어도 1개 설치하고 상보형으로 구성한 박막 트랜지스터를 적어도 1개 설치하고 상보형 박막 트랜지스터의 입출력단의 한쪽을 상기 화소전극에, 다른 한쪽을 제1의 신호선에 접속하고, 또한 상기 복수의 상보형 박막 트랜지스터의 게이트 전극을 다른 신호선에 접속한 점을 특징으로 하는 액정 전기 광학장치에 있어서, 화소에 전압이 걸려 있는 최소단위 시간이 10msec 이하인 점을 특징으로 하는 화소 표시방법.
  2. 기판상에 매트릭스 구성을 갖는 복수의 화소가 설치된 분산형 액정 혹은 폴리머 액정을 이용한 액정 전기광학장치로서, 각각의 화소전극에 P 채널형 박막 트랜지스터와 N채널형 박막 트랜지스터와를 상보형으로 구성한 상보형 박막 트랜지스터론 적어도 1개 설치하고, 상보형 박막트랜지스터의 입출력단을 직렬로 접속하고, 이 입출력단의 한쪽을 상기 화소전극에, 다른 한쪽을 제1의 신호선에 접속하고, 또한 상기 복수의 상보형 박막 트랜지스터의 게이트 전극을 다른 신호선에 접속한 점을 특징으로 하는 액정 전기광학장치에 있어서, 화소에 전압이 걸쳐있는 최소 단위 시간이 10msec 이하인 점을 특징으로 하는 화소 표시방법.
  3. 기판상에 매트릭스 구성을 갖는 복수의 화소가 설치된 액정 전기광학장치로서, 각각의 화소 전극에 P채널형 박막 트랜지스터와 N채널형 박막 트랜지스터를 상보형으로 구성한 상보형 박막 트랜지스터를 적어도 1개 설치하고 상보형 박막 트랜지스터의 입출력을 직렬로 접속하고, 이 입출력단의 한쪽을 상기 화소 전극에, 다른 한쪽을 제1의 신호선에 접속하고, 또한 상기 복수의 상보형 박막 트랜지스터의 게이트 전극을 다른 신호선에 접속한 점을 특징으로 하는 액정 전기광학장치에 있어서, 시간 F의 사이에 N회의 신호를 상기 상보형 트랜지스터에 가하고, 그 신호에 의해 화소에 전압이 인가되는 경우에, t초간 전압이 계속되는 장치에 있어서, 시간 F의 사이에 n(1mN)회만 화소에 전압이 인가되도록 신호를 가함으로써, 중간적인 계조를 얻는 점을 특징으로 하는 화상표시방법.
  4. 기판상에, N개의 신호선, X1,X2‥‥Xn‥‥XN과, 그것에 직교하는 M개의 신호선 Y1, Y2‥‥Yn‥‥YM에 의해 매트릭스형으로 형성된 배선과, 각 매트릭스의 교차점 영역에는, N채널형 박막 트랜지스터와 P채널형 박막 트랜지스터에 의해 형성된 각각 적어도 1개의 트랜스퍼게이트 소자와 각 신호선의 교차점 영역에 설치된 화소 Z11,Z12‥‥ Zmn‥‥ZMN과 각 트랜스퍼게이트 소자와 출력단자는 각 화소를 구성하는 정전(靜電)장치 전극의 한쪽에 접속되고, 그 트랜스퍼게이트 소자의 제어 전극을 신호선 X1, X2‥‥Xn‥XN에, 입력단자는 신호선 Y1, Y2‥‥Yn‥‥YM에 접속된 전기광학장치에 있어서, 시간 T1 tT2에 있어서는, 신호선 Y1, Y2‥‥Yn‥‥YM의 어느 것에도 전압을 가하지 않고, 신호선 X1,X2‥‥Xn‥‥XN의 전체에 적어도 극성이 1회 반전하는 신호를 가하고, 시간 T1 tT2에 있어서는, 신호선 Ym에만 시간 T3 tT(T1<T3, T4<T2)만 계속되는 전압을 가함과 아울러, 임의의 신호선 X1,X2‥‥Xn‥‥XN에 적어도 극성이 1회 반전하는 신호를 가하는 과정과, 시간 T5 tT6에 있어서는, 신호선 Ym+1(m=M의 경우에는 Y1에만 시간 T7 tT8(T5<T7, T6<T8)만이 계속되는 전압을 가함과 아울러, 임의의 신호선 X1,X2‥‥Xn‥‥XN에 적어도 극성이 1회 반전하는 신호를 가하는 과정을 갖는 점을 특징으로 하는 화살 표시방법.
  5. 기판상에 매트릭스 구성을 갖는 복수의 화소가 설치된 강유전성 액정을 이용한 액정 전기광학장치로서, 각각의 화소 전극에 P채널형 박막 트랜지스터와 N채널형 박막 트랜지스터를 상보형으로 구성한 상보형 트랜지스터를 적어도 1개 설치하고, 상보형 박막 트랜지스터의 입출력단을 직렬로 접속하고, 이 입출력단의 한쪽을 상기 화소 전극에, 다른 한쪽을 제1의 신호선에 접속하고, 또한 상기 복수의 상보형 박막 트랜지스터의 전체 게이트 전극을 제2의 신호선에 접속한 점을 특징으로 하는 액정 전기광학장치에 있어서, 화소에 전압이 걸쳐있는 최소단위 시간이 100msec이하인 점을 특징으로 하는 화상표시방법.
  6. 기판상에 매트릭스 구성을 갖는 복수의 화소가 설치된 STN액정을 이용한 액정 전기광학장치로서, 각각의화소 전극에 P채널형 박막 트랜지스터와 N채널형 박막 트랜지스터를 상보형으로 구성한 상보형 박막 트랜지스터를 적어도 1개 설치하고. 상보형 박막 트랜지스터의 입출력단을 직렬로 접속하고, 이 입출력단의 한쪽을 상기 화소 전극에, 다른 한쪽을 제1의 신호선에 접속하고, 또한 상기 복수의 상보형 박막 트랜지스터의 전체 게이트 전극을 제2의 신호선에 접속한 점을 특징으로 하는 액정 전기광학장치에 있어서, 화소에 전압이 걸쳐있는 최소 단위 시간이 100msec이하인 점을 특징으로 하는 화상 표시방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920007951A 1991-05-21 1992-05-11 액티브 매트릭스형 액정표시장치의 구동방법 KR970004055B1 (ko)

Applications Claiming Priority (4)

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JP14556691 1991-05-21
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JP12014292A JP2838338B2 (ja) 1991-05-21 1992-04-14 電気光学装置の駆動方法

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US5543947A (en) 1996-08-06
KR970004055B1 (ko) 1997-03-24
JP2838338B2 (ja) 1998-12-16
JPH05150270A (ja) 1993-06-18
TW219981B (ko) 1994-02-01

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