EA201791311A1 - Схема управления разверткой - Google Patents

Схема управления разверткой

Info

Publication number
EA201791311A1
EA201791311A1 EA201791311A EA201791311A EA201791311A1 EA 201791311 A1 EA201791311 A1 EA 201791311A1 EA 201791311 A EA201791311 A EA 201791311A EA 201791311 A EA201791311 A EA 201791311A EA 201791311 A1 EA201791311 A1 EA 201791311A1
Authority
EA
Eurasian Patent Office
Prior art keywords
module
sweep
current leakage
control scheme
boost
Prior art date
Application number
EA201791311A
Other languages
English (en)
Other versions
EA031970B1 (ru
Inventor
Чао Дай
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 EA201791311A1 publication Critical patent/EA201791311A1/ru
Publication of EA031970B1 publication Critical patent/EA031970B1/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
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • 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
    • 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
    • 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

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)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Shift Register Type Memory (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Dc-Dc Converters (AREA)
  • Electronic Switches (AREA)

Abstract

Описана схема управления разверткой, которая содержит модуль управления повышением, повышающий модуль, понижающий модуль, модуль поддержки понижения, модуль нисходящей передачи и ускоряющий конденсатор; при генерировании сигнала уровня развертки модулем управления повышением в модуле управления повышением и модуле поддержки понижения используют постоянное напряжение высокого логического уровня для предотвращения явления утечки тока; и в понижающем модуле используют сигнал развертки текущего уровня для предотвращения явления утечки тока. Таким образом, можно эффективно предотвратить явление утечки тока.
EA201791311A 2014-12-12 2014-12-19 Схема управления разверткой EA031970B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410766636.7A CN104464671B (zh) 2014-12-12 2014-12-12 一种扫描驱动电路
PCT/CN2014/094316 WO2016090671A1 (zh) 2014-12-12 2014-12-19 一种扫描驱动电路

Publications (2)

Publication Number Publication Date
EA201791311A1 true EA201791311A1 (ru) 2017-10-31
EA031970B1 EA031970B1 (ru) 2019-03-29

Family

ID=52910628

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201791311A EA031970B1 (ru) 2014-12-12 2014-12-19 Схема управления разверткой

Country Status (8)

Country Link
US (1) US9576677B2 (ru)
JP (1) JP6340484B2 (ru)
KR (1) KR101937963B1 (ru)
CN (1) CN104464671B (ru)
DE (1) DE112014007244T5 (ru)
EA (1) EA031970B1 (ru)
GB (1) GB2548509B (ru)
WO (1) WO2016090671A1 (ru)

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CN104766576B (zh) * 2015-04-07 2017-06-27 深圳市华星光电技术有限公司 基于p型薄膜晶体管的goa电路
CN104851403B (zh) * 2015-06-01 2017-04-05 深圳市华星光电技术有限公司 基于氧化物半导体薄膜晶体管的goa电路
CN104882108B (zh) * 2015-06-08 2017-03-29 深圳市华星光电技术有限公司 基于氧化物半导体薄膜晶体管的goa电路
US10115362B2 (en) 2015-07-03 2018-10-30 Shenzhen China Star Optoelectronics Technology Co., Ltd. Scan-driving circuit
CN104992682B (zh) * 2015-07-03 2017-10-24 深圳市华星光电技术有限公司 一种扫描驱动电路
CN105047160B (zh) * 2015-08-24 2017-09-19 武汉华星光电技术有限公司 一种扫描驱动电路
CN106205458A (zh) * 2016-08-30 2016-12-07 深圳市华星光电技术有限公司 一种goa驱动单元
CN106157916A (zh) * 2016-08-31 2016-11-23 深圳市华星光电技术有限公司 一种栅极驱动单元及驱动电路
CN106128394B (zh) * 2016-08-31 2018-06-19 深圳市华星光电技术有限公司 显示电路及具有该显示电路的液晶显示屏
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CN106297714B (zh) * 2016-09-29 2018-11-27 深圳市华星光电技术有限公司 扫描驱动电路及显示装置
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CN107134460B (zh) * 2017-04-11 2019-08-02 深圳市华星光电半导体显示技术有限公司 显示装置及其goa电路
CN106898290B (zh) * 2017-04-21 2019-08-02 深圳市华星光电半导体显示技术有限公司 扫描驱动电路
US10431135B2 (en) 2017-04-21 2019-10-01 Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. Scanning driving circuit
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
CN109935208B (zh) * 2018-02-14 2021-03-02 京东方科技集团股份有限公司 移位寄存器单元、栅极驱动电路、显示装置以及驱动方法
US10825412B2 (en) * 2018-07-27 2020-11-03 Shenzhen China Star Optoelectronics Technology Co., Ltd. Liquid crystal panel including GOA circuit and driving method thereof
CN111243543B (zh) * 2020-03-05 2021-07-23 苏州华星光电技术有限公司 Goa电路、tft基板、显示装置及电子设备
CN117496894A (zh) 2020-12-26 2024-02-02 京东方科技集团股份有限公司 移位寄存器及其驱动方法、栅极驱动电路、显示装置
CN113628596B (zh) * 2021-07-23 2023-02-24 昆山龙腾光电股份有限公司 栅极驱动单元、栅极驱动电路及显示装置

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Also Published As

Publication number Publication date
GB201709226D0 (en) 2017-07-26
DE112014007244T5 (de) 2017-09-28
GB2548509A (en) 2017-09-20
US20160171949A1 (en) 2016-06-16
JP6340484B2 (ja) 2018-06-06
GB2548509B (en) 2020-10-28
KR101937963B1 (ko) 2019-01-14
CN104464671B (zh) 2017-01-11
KR20170086564A (ko) 2017-07-26
US9576677B2 (en) 2017-02-21
JP2018506053A (ja) 2018-03-01
WO2016090671A1 (zh) 2016-06-16
CN104464671A (zh) 2015-03-25
EA031970B1 (ru) 2019-03-29

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MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KZ KG TJ TM