EA033137B1 - Схема goa для жидкокристаллического дисплейного устройства - Google Patents

Схема goa для жидкокристаллического дисплейного устройства

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Publication number
EA033137B1
EA033137B1 EA201791512A EA201791512A EA033137B1 EA 033137 B1 EA033137 B1 EA 033137B1 EA 201791512 A EA201791512 A EA 201791512A EA 201791512 A EA201791512 A EA 201791512A EA 033137 B1 EA033137 B1 EA 033137B1
Authority
EA
Eurasian Patent Office
Prior art keywords
circuit
pull
level
nth
liquid crystal
Prior art date
Application number
EA201791512A
Other languages
English (en)
Other versions
EA201791512A1 (ru
Inventor
Цзюньчэн Сяо
Ман Чжао
Юн Тянь
Original Assignee
Шэньчжэнь Чайна Стар Оптоэлектроникс Текнолоджи Ко., Лтд.
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 Шэньчжэнь Чайна Стар Оптоэлектроникс Текнолоджи Ко., Лтд. filed Critical Шэньчжэнь Чайна Стар Оптоэлектроникс Текнолоджи Ко., Лтд.
Publication of EA201791512A1 publication Critical patent/EA201791512A1/ru
Publication of EA033137B1 publication Critical patent/EA033137B1/ru

Links

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
    • G09G3/3674—Details of drivers for scan electrodes
    • G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
    • 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
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/28—Digital stores in which the information is moved stepwise, e.g. shift registers using semiconductor elements
    • 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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13454—Drivers integrated on the active matrix substrate
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2230/00—Details of flat display driving waveforms
    • 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
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0404—Matrix technologies
    • G09G2300/0408—Integration of the drivers onto the display substrate
    • 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
    • G09G2310/0283—Arrangement of drivers for different directions of scanning
    • 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
    • G09G2310/0286—Details of a shift registers 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
    • G09G2310/08—Details of timing specific for flat panels, other than clock recovery

Abstract

Раскрыта схема GOA (драйвера затвора на матрице), применяемая для жидкокристаллического дисплейного устройства. Жидкокристаллическое дисплейное устройство содержит множество строк развертки. Схема GOA содержит множество каскадно включенных блоков GOA. Блок GOA (N)-го уровня управляет заполнением строки развертки (N)-го уровня. Блок GOA (N)-го уровня содержит схему прямой и обратной развертки, схему повышения напряжения, схему ускоряющего конденсатора, схему управления подтягиванием высокого потенциала и схему поддержания подтягивания низкого потенциала. Схема подтягивания высокого потенциала, схема ускоряющего конденсатора, схема управления подтягиванием высокого потенциала и схема поддержания подтягивания низкого потенциала подключены к точке сигнала затвора. Схема прямой и обратной развертки подключена к строке развертки (N-1)-го уровня и строке развертки (N+1)-го уровня для повышения стабильности точки сигнала затвора и снижения коэффициента использования тонкопленочных транзисторов.
EA201791512A 2014-12-30 2015-01-08 Схема goa для жидкокристаллического дисплейного устройства EA033137B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410844668.4A CN104537992B (zh) 2014-12-30 2014-12-30 用于液晶显示装置的goa电路
PCT/CN2015/070320 WO2016106803A1 (zh) 2014-12-30 2015-01-08 用于液晶显示装置的goa电路

Publications (2)

Publication Number Publication Date
EA201791512A1 EA201791512A1 (ru) 2017-11-30
EA033137B1 true EA033137B1 (ru) 2019-08-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EA201791512A EA033137B1 (ru) 2014-12-30 2015-01-08 Схема goa для жидкокристаллического дисплейного устройства

Country Status (7)

Country Link
US (1) US20160189647A1 (ru)
JP (1) JP2018507433A (ru)
KR (1) KR20170102283A (ru)
CN (1) CN104537992B (ru)
EA (1) EA033137B1 (ru)
GB (1) GB2550508B (ru)
WO (1) WO2016106803A1 (ru)

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US10276122B2 (en) * 2014-10-28 2019-04-30 Sharp Kabushiki Kaisha Unit shift register circuit, shift register circuit, control method for unit shift register circuit, and display device
CN105895011B (zh) * 2015-01-26 2019-02-15 上海和辉光电有限公司 移位寄存器单元、栅极驱动电路及显示面板
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CN104766584B (zh) * 2015-04-27 2017-03-01 深圳市华星光电技术有限公司 具有正反向扫描功能的goa电路
CN104916261B (zh) * 2015-06-04 2017-12-22 武汉华星光电技术有限公司 一种扫描驱动电路
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CN105405406B (zh) * 2015-12-29 2017-12-22 武汉华星光电技术有限公司 栅极驱动电路和使用栅极驱动电路的显示器
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CN105788553B (zh) * 2016-05-18 2017-11-17 武汉华星光电技术有限公司 基于ltps半导体薄膜晶体管的goa电路
CN105869588B (zh) * 2016-05-27 2018-06-22 武汉华星光电技术有限公司 基于ltps半导体薄膜晶体管的goa电路
CN106128379B (zh) * 2016-08-08 2019-01-15 武汉华星光电技术有限公司 Goa电路
CN106128354B (zh) * 2016-09-12 2018-01-30 武汉华星光电技术有限公司 平面显示装置及其扫描驱动电路
CN106449653B (zh) * 2016-09-30 2018-12-21 京东方科技集团股份有限公司 一种显示基板及其制备方法、显示面板、显示装置
KR20180067948A (ko) * 2016-12-13 2018-06-21 엘지디스플레이 주식회사 시프트 레지스터 및 이를 포함하는 게이트 구동회로
US10699659B2 (en) * 2017-09-27 2020-06-30 Shenzhen China Star Optoelectronics Technology Co. Ltd. Gate driver on array circuit and liquid crystal display with the same
US10540937B2 (en) * 2017-11-17 2020-01-21 Wuhan China Star Optoelectronics Technology Co., Ltd. GOA circuit
CN107993620B (zh) * 2017-11-17 2020-01-10 武汉华星光电技术有限公司 一种goa电路
CN108364601B (zh) * 2018-03-07 2020-07-07 京东方科技集团股份有限公司 一种移位寄存器、栅极驱动电路及显示装置
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CN109637487B (zh) * 2019-01-28 2020-12-22 南京中电熊猫平板显示科技有限公司 一种栅极扫描驱动电路和液晶显示装置
CN115294911A (zh) * 2022-08-12 2022-11-04 武汉华星光电技术有限公司 显示面板及显示装置

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Also Published As

Publication number Publication date
WO2016106803A1 (zh) 2016-07-07
CN104537992A (zh) 2015-04-22
US20160189647A1 (en) 2016-06-30
KR20170102283A (ko) 2017-09-08
CN104537992B (zh) 2017-01-18
GB2550508A (en) 2017-11-22
GB2550508B (en) 2020-12-16
JP2018507433A (ja) 2018-03-15
EA201791512A1 (ru) 2017-11-30
GB201711615D0 (en) 2017-08-30

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