EA201890551A1 - Схема возбуждения истоков и содержащая ее жидкокристаллическая дисплейная (lcd) панель - Google Patents

Схема возбуждения истоков и содержащая ее жидкокристаллическая дисплейная (lcd) панель

Info

Publication number
EA201890551A1
EA201890551A1 EA201890551A EA201890551A EA201890551A1 EA 201890551 A1 EA201890551 A1 EA 201890551A1 EA 201890551 A EA201890551 A EA 201890551A EA 201890551 A EA201890551 A EA 201890551A EA 201890551 A1 EA201890551 A1 EA 201890551A1
Authority
EA
Eurasian Patent Office
Prior art keywords
voltage signal
reference voltage
lcd
scheme
origins
Prior art date
Application number
EA201890551A
Other languages
English (en)
Other versions
EA037250B1 (ru
Inventor
Чжэньчжоу Син
Сяопин Тань
Синлин Го
Original Assignee
Шэньчжэнь Чайна Стар Оптоэлектроникс Текнолоджи Ко., Лтд.
Ухань 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., Ухань Чайна Стар Оптоэлектроникс Текнолоджи Ко., Лтд filed Critical Шэньчжэнь Чайна Стар Оптоэлектроникс Текнолоджи Ко., Лтд.
Publication of EA201890551A1 publication Critical patent/EA201890551A1/ru
Publication of EA037250B1 publication Critical patent/EA037250B1/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
    • G09G3/3685—Details of drivers for data electrodes
    • 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
    • G09G3/2011—Display of intermediate tones by amplitude modulation
    • 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
    • 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
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0224—Details of interlacing
    • 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
    • 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
    • G09G2310/0289—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
    • 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
    • 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

Landscapes

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

Abstract

Настоящее изобретение предусматривает схему возбуждения истоков и содержащую ее LCD панель. В указанной схеме возбуждения истоков сигнал опорного напряжения, выводимый модулем вывода напряжения гамма-коррекции, содержит сигнал опорного напряжения гамма-коррекции и сигнал низкого напряжения, при этом значение напряжения сигнала низкого напряжения меньше, чем сигнала опорного напряжения гамма-коррекции, и интервал длительности сигнала опорного напряжения равен таковому для текущего сигнала напряжения гамма-коррекции. По сравнению с традиционной методикой энергопотребление схемы возбуждения истоков сокращается и также сокращается энергопотребление дисплейной панели высокого разрешения.
EA201890551A 2015-08-26 2015-09-08 Схема возбуждения истоков и содержащая ее жидкокристаллическая дисплейная (lcd) панель EA037250B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510531096.9A CN105070262B (zh) 2015-08-26 2015-08-26 一种源极驱动电路和液晶显示面板
PCT/CN2015/089137 WO2017031788A1 (zh) 2015-08-26 2015-09-08 一种源极驱动电路和液晶显示面板

Publications (2)

Publication Number Publication Date
EA201890551A1 true EA201890551A1 (ru) 2018-07-31
EA037250B1 EA037250B1 (ru) 2021-02-26

Family

ID=54499615

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201890551A EA037250B1 (ru) 2015-08-26 2015-09-08 Схема возбуждения истоков и содержащая ее жидкокристаллическая дисплейная (lcd) панель

Country Status (7)

Country Link
US (1) US20170069245A1 (ru)
JP (1) JP2018533041A (ru)
KR (1) KR102054409B1 (ru)
CN (1) CN105070262B (ru)
EA (1) EA037250B1 (ru)
GB (1) GB2556586A (ru)
WO (1) WO2017031788A1 (ru)

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CN105469755B (zh) * 2015-12-08 2018-04-20 深圳市华星光电技术有限公司 显示器驱动模块
CN105632445B (zh) 2016-03-17 2018-11-27 武汉华星光电技术有限公司 显示驱动电路及显示面板
CN106097991B (zh) * 2016-05-30 2018-08-07 深圳市华星光电技术有限公司 液晶面板的数据驱动电路及驱动方法
CN106057159A (zh) * 2016-08-05 2016-10-26 武汉华星光电技术有限公司 液晶显示装置、移动终端及驱动液晶显示装置的方法
CN106782392B (zh) * 2016-12-30 2019-08-20 武汉华星光电技术有限公司 一种手机驱动系统及方法
CN108932935B (zh) * 2018-07-13 2020-12-01 昆山龙腾光电股份有限公司 源极驱动电路和显示装置
CN109817178B (zh) * 2019-03-22 2021-06-11 重庆惠科金渝光电科技有限公司 一种伽马电路、驱动电路和显示装置
CN114550636B (zh) * 2022-03-08 2023-05-23 北京奕斯伟计算技术股份有限公司 数据驱动器及时序控制器的控制方法、电子设备

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Also Published As

Publication number Publication date
GB2556586A (en) 2018-05-30
CN105070262B (zh) 2018-01-26
KR20180037240A (ko) 2018-04-11
EA037250B1 (ru) 2021-02-26
WO2017031788A1 (zh) 2017-03-02
GB201802178D0 (en) 2018-03-28
JP2018533041A (ja) 2018-11-08
US20170069245A1 (en) 2017-03-09
KR102054409B1 (ko) 2019-12-12
CN105070262A (zh) 2015-11-18

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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)

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