WO2017004979A1 - 数据线驱动方法及单元、源极驱动器、面板驱动装置和显示装置 - Google Patents
数据线驱动方法及单元、源极驱动器、面板驱动装置和显示装置 Download PDFInfo
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- WO2017004979A1 WO2017004979A1 PCT/CN2016/071742 CN2016071742W WO2017004979A1 WO 2017004979 A1 WO2017004979 A1 WO 2017004979A1 CN 2016071742 W CN2016071742 W CN 2016071742W WO 2017004979 A1 WO2017004979 A1 WO 2017004979A1
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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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3696—Generation of voltages supplied to electrode drivers
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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
- G09G3/3611—Control of matrices with row and column drivers
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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
- 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
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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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3685—Details of drivers for data electrodes
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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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
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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
- 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
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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
- G09G2310/00—Command of the display device
- G09G2310/06—Details of flat display driving waveforms
- G09G2310/061—Details of flat display driving waveforms for resetting or blanking
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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
- G09G2310/00—Command of the display device
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
Definitions
- the present invention also provides a display device provided with the panel driving device according to any of the above.
- FIG. 8 is a schematic diagram of a principle of a data line driving unit according to an embodiment of the present invention.
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- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims (16)
- 一种数据线的驱动方法,包括:判断当前时间是否处于两帧画面之间的空白时段内;以及如果当前时间处于所述空白时段内,则向数据线输出预设电压信号;如果当前时间不处于所述空白时段内,则向所述数据线输出灰阶电压信号。
- 根据权利要求1所述的驱动方法,其中,所述预设电压信号为公共电压信号。
- 根据权利要求1或2所述的驱动方法,其中,判断当前时间是否处于两帧画面之间的空白时段内包括:通过数据使能信号判断当前时间是否处于两帧画面之间的空白时段内。
- 根据权利要求2所述的驱动方法,其中,如果当前时间处于所述空白时段内,则向数据线输出预设电压信号;如果当前时间不处于所述空白时段内,则向所述数据线输出灰阶电压信号包括:如果当前时间处于所述空白时段内,则生成用于使数据线输入端连接公共电压电路的控制信号;如果当前时间不处于所述空白时段内,则生成用于使所述数据线输入端连接源极驱动电路的控制信号;以及其中根据所述控制信号将所述数据线输入端与所述源极驱动电路或者所述公共电压电路连接。
- 一种数据线的驱动单元,包括:判断单元,配置为判断当前时间是否处于两帧画面之间的空白时段内;以及切换单元,配置为当所述判断单元判断当前时间处于所述空白时段内时,将数据线输入端连接至预设电压信号产生电路;当所述判断单元判断当前时间不处于所述空白时段内时,将所述数据线输入端连接至源极驱动电路。
- 根据权利要求5所述的数据线驱动单元,其中,所述判断单元还配置为,在判断当前时间处于所述空白时段内时,生成用于使数据线输入端 连接预设电压信号产生电路的控制信号;在判断当前时间不处于所述空白时段内时,生成用于使所述数据线输入端连接源极驱动电路的控制信号。
- 根据权利要求5或6所述的数据线驱动单元,其中,所述预设电压信号产生电路为公共电压电路。
- 根据权利要求7所述的数据线驱动单元,其中,所述切换单元的控制端与所述判断单元连接,第一输入端连接至所述源极驱动电路,第二输入端连接至所述公共电压电路,输出端与所述数据线输入端相连;以及所述切换单元接收所述判断单元的控制信号,并根据所述控制信号将所述数据线输入端与所述源极驱动电路或者所述公共电压电路连接。
- 根据权利要求5所述的数据线驱动单元,其中,所述判断单元通过数据使能信号判断当前时间是否处于两帧画面之间的空白时段。
- 一种源极驱动器,包括源极驱动电路和预设电压信号产生电路,所述源极驱动器还包括:判断单元,配置为判断当前时间是否处于两帧画面之间的空白时段内;切换单元,配置为当所述判断单元判断当前时间处于所述空白时段内时,将数据线输入端连接至预设电压信号产生电路;当所述判断单元判断当前时间不处于所述空白时段内时,将所述数据线输入端连接至源极驱动电路。
- 根据权利要求10所述的源极驱动器,其中,所述判断单元为时序控制器。
- 根据权利要求10或11所述的源极驱动器,其中,所述判断单元通过数据使能信号判断当前时间是否处于两帧画面之间的空白时段内。
- 根据权利要求10或11所述的源极驱动器,其中,所述预设电压信号产生电路为公共电压电路。
- 一种面板驱动装置,包括:权利要求5-9任一项所述的数据线驱动单元,或者权利要求10-13任一项所述的源极驱动器。
- 一种面板驱动装置,包括:时序控制器和源极驱动器,所述源极驱动器包括源极驱动电路和预设电压信号产生电路;所述时序控制器用于判断当前时间是否处于两帧画面之间的空白时段内,并在当前时间处于所述空白时段内时,生成用于使数据线输入端连接所述预设电压信号产生电路的控制信号;在当前时间不处于所述空白时段内时,生成用于使所述数据线输入端连接所述源极驱动电路的控制信号;所述源极驱动器还包括切换单元,所述切换单元用于接收所述时序控制器输出的所述控制信号,并根据所述控制信号,选择将数据线输入端连接至所述预设电压信号产生电路或所述源极驱动电路。
- 一种显示装置,设置有权利要求14或者15所述的面板驱动装置。
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US15/327,733 US20170206852A1 (en) | 2015-07-06 | 2016-01-22 | Data line driving methods, data line driving units, source drivers, panel driving devices and display devices |
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CN201510395777.7A CN104934007A (zh) | 2015-07-06 | 2015-07-06 | 数据线驱动方法及单元、源极驱动器、面板驱动装置和显示装置 |
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US20170206852A1 (en) | 2017-07-20 |
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