WO2014180039A1 - 一种液晶显示器的驱动装置、驱动方法及相应的液晶显示器 - Google Patents

一种液晶显示器的驱动装置、驱动方法及相应的液晶显示器 Download PDF

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Publication number
WO2014180039A1
WO2014180039A1 PCT/CN2013/078032 CN2013078032W WO2014180039A1 WO 2014180039 A1 WO2014180039 A1 WO 2014180039A1 CN 2013078032 W CN2013078032 W CN 2013078032W WO 2014180039 A1 WO2014180039 A1 WO 2014180039A1
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Prior art keywords
signal
module
vertical synchronization
synchronization signal
liquid crystal
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PCT/CN2013/078032
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English (en)
French (fr)
Inventor
吴东光
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深圳市华星光电技术有限公司
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Priority to US13/982,496 priority Critical patent/US20140333606A1/en
Priority to KR1020157034665A priority patent/KR102043489B1/ko
Priority to GB1518708.1A priority patent/GB2527706B/en
Priority to JP2016510916A priority patent/JP2016518623A/ja
Publication of WO2014180039A1 publication Critical patent/WO2014180039A1/zh

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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
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • 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
    • 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
    • G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
    • G09G3/003—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to produce spatial visual effects
    • 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
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/18—Timing circuits for raster scan displays
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/08—Details of image data interface between the display device controller and the data line driver circuit

Definitions

  • the present invention relates to a Thin Film Transistor Liquid Crystal Display (TFT-LCD) technology, and more particularly to a driving device, a driving method and a corresponding liquid crystal display of a liquid crystal display.
  • TFT-LCD Thin Film Transistor Liquid Crystal Display
  • FIG. 1 a schematic diagram of a frame structure of a current liquid crystal display is shown.
  • the liquid crystal display includes: a pixel array 10 , a source driver 11 , a gate driver 12 , and a timing
  • the control module 14 the DC/DC conversion module 16, the signal generation module 15, and the backlight module 13.
  • the 3D energy signal (3D-EN signal) generated by the signal generating module 15 of the system side is transmitted to the control module 14 and then transmitted to the DC/DC conversion module 16 by the timing control module 14; in addition, the timing control module 14 also needs A vertical sync signal (VSYNC signal) is provided to the DC/DC converter module 16, which requires a corresponding connector and data cable to be provided between the timing control module 14 and the DC/DC converter module 16. This design is more complicated and cost-effective. high.
  • the technical problem to be solved by the present invention is to provide a driving device, a driving method and a corresponding liquid crystal display of a liquid crystal display having a simple structure, which can save equipment costs.
  • an aspect of an embodiment of the present invention provides a driving device for a liquid crystal display, including:
  • a signal generating module configured to provide a voltage signal and a control signal, where the control signal includes a 3D enable signal
  • a timing control module coupled to the signal generating module, to receive the 3D enable signal;
  • the DC/DC conversion module is electrically coupled to the signal generation module for generating a vertical synchronization signal after receiving the 3D enable signal, and the vertical synchronization signal is used by a gate driver to drive the pixel array.
  • the DC/DC conversion module includes:
  • a 3D enable signal identification unit for receiving and identifying a 3D enable signal from the signal generating module
  • a vertical synchronization signal generating unit configured to: when the 3D enable signal recognition unit recognizes that the 3D enable signal is at a high level, generating a vertical synchronization signal;
  • a vertical synchronizing signal transmitting unit for transmitting the vertical synchronizing signal generated by the vertical synchronizing signal generating unit to the gate driver.
  • a gate driver coupled to the DC/DC converter module for receiving a vertical sync signal generated by the DC/DC converter module to drive the pixel array connected to the gate driver;
  • the source driver is coupled to the timing control module for receiving a line synchronization signal generated by the timing control module to drive the pixel array connected to the source driver.
  • the signal generation module is a SoC chip on the system side.
  • a liquid crystal display includes a pixel array, a source driver, a gate driver, a timing control module, a DC/DC conversion module, a signal generating module, and a backlight module, wherein:
  • a signal generating module configured to provide a voltage signal and a control signal, where the control signal includes a 3D enable signal
  • timing control module coupled to the signal generating module to receive the 3D enable signal
  • a DC/DC conversion module electrically coupled to the signal generation module for generating a vertical synchronization signal after receiving the 3D enable signal
  • a gate driver coupled to the DC/DC converter module for receiving a vertical sync signal generated by the DC/DC converter module to drive the pixel array connected to the gate driver;
  • the source driver is coupled to the timing control module for receiving a line synchronization signal generated by the timing control module to drive the pixel array connected to the source driver.
  • the DC/DC conversion module includes:
  • a 3D enable signal identification unit for receiving and identifying a 3D enable signal from the signal generating module number
  • a vertical synchronization signal generating unit configured to: when the 3D enable signal recognition unit recognizes that the 3D enable signal is at a high level, generating a vertical synchronization signal;
  • a vertical synchronizing signal transmitting unit for transmitting the vertical synchronizing signal generated by the vertical synchronizing signal generating unit to the gate driver.
  • the signal generation module is a SoC chip on the system side.
  • a driving method of a liquid crystal display further includes: providing a signal generating module, configured to provide a voltage and a control signal, where the control signal includes a 3D enable signal;
  • the vertical sync signal is used by a gate driver and drives the pixel array.
  • the method further includes the following steps:
  • the vertical sync signal generated by the vertical sync signal generating unit is sent to the gate driver.
  • the method further includes the following steps:
  • the gate driver receives the vertical sync signal generated by the DC/DC converter module, and the HSYNC signal generated by the source driver receiving timing control module to jointly drive the pixel array connected to the gate driver and the source driver.
  • the vertical synchronizing signal is generated by the DC/DC conversion module
  • the 3D enable signal is provided by the signal generating module of the system side, so that no corresponding connector and cable are required between the timing control module and the DC/DC conversion module.
  • FIG. 1 is a schematic view of a conventional liquid crystal display
  • FIG. 2 is a schematic structural view of a frame of a liquid crystal display of the present invention.
  • FIG. 3 is a schematic structural view of the DC/DC conversion module of FIG. 2.
  • the display includes: a pixel array 10, a source driver 11, a gate driver 12, a timing control module 24, and a DC/DC.
  • the backlight module 13 is configured to provide a backlight for the user to view the content displayed by the pixel array 10 through the light source;
  • the signal generating module 15 is configured to provide a voltage (such as a 24V DC power supply) and a control signal, where the control signal includes a 3D enable signal.
  • the signal generating module 15 can be a SoC (System on a chi) on the system side. System) chip;
  • the timing control module 24 is coupled to the signal generating module 15 to receive the 3D enable signal and control the time when the source driver 11 and the gate driver 12 turn on the pixel unit and transmit data;
  • a DC/DC conversion module 26 coupled to the signal generation module 15 for generating a vertical synchronization signal after receiving the 3D enable signal, the vertical synchronization signal being used by the gate driver 14 and driving the liquid crystal display Pixel array 10.
  • the source driver 11 and the gate driver 12 are used to connect pixel units (not shown) in the pixel array 10, and when the gate driver 14 opens a column of pixel units, the source driver 12 transmits the data to be displayed to the pixel unit.
  • Display specifically:
  • the gate driver 12 is coupled to the DC/DC conversion module 26 for receiving a vertical synchronization signal generated by the DC/DC conversion module 26 to drive the pixel array 10 connected thereto; the source driver 11 and the
  • the timing control module 24 is coupled to receive a line synchronization signal (HSYNC signal) generated by the timing control module 24 to drive the pixel array connected thereto.
  • HSYNC signal line synchronization signal
  • FIG. 2 it is a schematic structural diagram of the DC/DC conversion module 26 of FIG. It further includes:
  • a 3D enable signal identifying unit 260 configured to receive and identify a 3D enable signal from the signal generating module 15;
  • the vertical synchronization signal generating unit 262 is configured to: when the 3D enable signal identifying unit 260 recognizes that the 3D enable signal is at a high level, generate a vertical synchronization signal;
  • the vertical sync signal transmitting unit 264 is configured to send the vertical sync signal generated by the vertical sync signal generating unit 262 to the gate driver 12.
  • the above described units may be implemented in a microprocessor MCU in DC/DC conversion module 26 in one embodiment.
  • a driving method of a liquid crystal display comprising:
  • Step 1 providing a signal generating module, configured to provide a voltage and a control signal, where the control signal includes a 3D enable signal;
  • Step 2 providing a timing control module, coupled to the signal generating module, for receiving the 3D enable signal;
  • Step 3 providing a DC/DC conversion module electrically coupled to the signal generating module, configured to generate a vertical synchronization signal after receiving the 3D enable signal, where the vertical synchronization signal is used and driven by a gate driver Pixel array.
  • the method further includes the following steps:
  • the 3D enable signal is at a high level, generating a vertical sync signal; transmitting a vertical sync signal generated by the vertical sync signal generating unit to the gate driver;
  • the gate driver receives a vertical synchronization signal generated by the DC/DC conversion module
  • the source driver receives an HSYNC signal generated by the timing control module, and drives the gate driver and the source driver together Pixel array.
  • the vertical synchronizing signal is generated by the DC/DC conversion module
  • the 3D enable signal is provided by the signal generating module of the system side, so that no corresponding connector and cable are required between the timing control module and the DC/DC conversion module.
  • the vertical sync signal and the 3D enable signal are transmitted, thereby reducing the number of connectors and cables, simplifying the circuit, and saving the cost of the device.

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

Abstract

一种液晶显示器的驱动装置，包括：信号产生模块（15），用于提供电压和控制信号，所述控制信号包括3D使能信号；时序控制模块（24），与所述信号产生模块耦合，接收所述3D使能信号；DC/DC转换模块（26），与所述信号产生模块电耦合，用于接收所述3D使能信号后产生垂直同步信号，所述垂直同步信号供一栅极驱动器（12）使用并驱动像素阵列（10）；还公开了一种液晶显示器的驱动方法及相应的液晶显示器，电路结构设计简单，从而节省了设备成本。

Description

一种液晶显示器的驱动装置、 驱动方法及相应的液晶显示
本申请要求于 2013 年 5 月 7 日提交中国专利局、 申请号为 201310163492.1、 发明名称为 "一种液晶显示器的驱动装置、 驱动方法及相 应的液晶显示器" 的中国专利申请的优先权， 上述专利的全部内容通过引用 结合在本申请中。 技术领域
本发明涉及薄膜场效应晶体管液晶显示器（Thin Film Transistor Liquid Crystal Display, TFT-LCD )技术， 特别涉及一种液晶显示器的驱动装置、 驱 动方法及相应的液晶显示器。
背景技术
TFT-LCD的应用越来越广泛，如图 1所示，示出了当前的一种液晶显示 器的框架结构示意图； 该液晶显示器包括： 像素阵列 10、 源极驱动器 11、 栅极驱动器 12、 时序控制模块 14、 DC/DC转换模块 16、 信号产生模块 15 和背光模块 13。其中， 系统端的信号产生模块 15产生的 3D能信号 ( 3D— EN 信号）， 并传输给控制模块 14, 然后由时序控制模块 14传送给 DC/DC转换 模块 16; 另外， 时序控制模块 14还需要提供垂直同步信号（VSYNC信号） 给 DC/DC转换模块 16,这样需要在时序控制模块 14和 DC/DC转换模块 16 之间设置相应的连接器及数据线缆， 这样的设计较复杂且成本较高。
发明内容
本发明所要解决的技术问题在于，提供一种结构简单的液晶显示器的驱 动装置、 驱动方法及相应的液晶显示器， 可节省设备成本。
为了解决上述技术问题，本发明的实施例的一方面提供了一种液晶显示 器的驱动装置， 包括：
信号产生模块， 用于提供电压信号和控制信号， 控制信号包括 3D使能 信号；
时序控制模块， 与信号产生模块耦合， 接收 3D使能信号； DC/DC转换模块， 与信号产生模块电耦合， 用于在接收 3D使能信号后 产生垂直同步信号， 垂直同步信号供一栅极驱动器使用并驱动像素阵列。
其中， DC/DC转换模块包括：
3D使能信号识别单元，用于接收并识别来自信号产生模块的 3D使能信 号；
垂直同步信号产生单元， 用于在 3D使能信号识别单元识别到 3D使能 信号为高电平， 产生一个垂直同步信号；
垂直同步信号发送单元，用于将垂直同步信号产生单元所产生的垂直同 步信号发送到栅极驱动器。
其中， 进一步包括：
栅极驱动器， 与 DC/DC转换模块相耦合， 用于接收 DC/DC转换模块产 生的垂直同步信号， 以驱动与栅极驱动器连接的像素阵列；
源极驱动器， 与时序控制模块相耦合， 用于接收时序控制模块所产生的 行同步信号， 以驱动与源极驱动器连接的像素阵列。
其中， 信号产生模块为系统端的 SoC芯片。
本发明实施例的另一方面， 还提供一种液晶显示器， 其包括像素阵列、 源极驱动器、 栅极驱动器、 时序控制模块、 DC/DC 转换模块、 信号产生模 块和背光模块， 其中：
信号产生模块， 用于提供电压信号和控制信号， 控制信号包括 3D使能 信号；
时序控制模块， 与信号产生模块耦合， 接收 3D使能信号；
DC/DC转换模块， 与信号产生模块电耦合， 用于在接收 3D使能信号后 产生垂直同步信号；
栅极驱动器， 与 DC/DC转换模块相耦合， 用于接收 DC/DC转换模块产 生的垂直同步信号， 以驱动与栅极驱动器连接的像素阵列；
源极驱动器， 与时序控制模块相耦合， 用于接收时序控制模块所产生的 行同步信号， 以驱动与源极驱动器连接的像素阵列。
其中， DC/DC转换模块包括：
3D使能信号识别单元，用于接收并识别来自信号产生模块的 3D使能信 号；
垂直同步信号产生单元， 用于在 3D使能信号识别单元识别到 3D使能 信号为高电平， 产生一个垂直同步信号；
垂直同步信号发送单元，用于将垂直同步信号产生单元所产生的垂直同 步信号发送到栅极驱动器。
其中， 信号产生模块为系统端的 SoC芯片。
本发明实施例的再一方面， 还提供一种液晶显示器的驱动方法， 包括： 提供一信号产生模块， 用于提供电压和控制信号， 控制信号包括 3D使 能信号；
提供一时序控制模块，其与信号产生模块耦合，用于接收 3D使能信号； 提供一 DC/DC转换模块，其与信号产生模块电耦合，用于在接收 3D使 能信号后产生垂直同步信号，垂直同步信号供一栅极驱动器使用并驱动像素 阵列。
其中， 进一步包括如下步骤：
在 DC/DC转换模块中， 接收并识别来自信号产生模块的 3D使能信号； 在识别到 3D使能信号为高电平， 产生一个垂直同步信号；
将垂直同步信号产生单元所产生的垂直同步信号发送到栅极驱动器。 其中， 进一步包括如下步骤：
栅极驱动器接收 DC/DC转换模块产生的垂直同步信号， 以及源极驱动 器接收时序控制模块所产生的 HSYNC信号， 共同驱动与栅极驱动器和源极 驱动器连接的像素阵列。
实施本发明实施例， 具有如下有益效果：
在本发明中， 垂直同步信号由 DC/DC转换模块产生， 3D使能信号由系 统端的信号产生模块提供， 故在时序控制模块和 DC/DC转换模块之间无需 采用相应的连接器及线缆来传输垂直同步信号和 3D使能信号， 从而减少了 连接器和线缆的数目， 节省了设备的成本。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案， 下面将对实 施例或现有技术描述中所需要使用的附图作简单地介绍， 显而易见地， 下面 描述中的附图仅仅是本发明的一些实施例， 对于本领域普通技术人员来讲， 在不付出创造性劳动的前提下， 还可以根据这些附图获得其它的附图。
图 1是现有的一种液晶显示器的框架示意图；
图 2是本发明的液晶显示器的框架结构示意图；
图 3是图 2中 DC/DC转换模块的结构示意图。
具体实施方式
下述将结合附图对本发明的实施例进行说明。
如图 2所示， 是本发明的液晶显示器的驱动装置的结构示意图； 从中可 以看出， 该显示器包括： 像素阵列 10、 源极驱动器 11、 栅极驱动器 12、 时 序控制模块 24、 DC/DC转换模块 26、 信号产生模块 15和背光模块 13。 其 中，
背光模块 13用于提供背光源， 以让使用者得以透过光源观看像素阵列 10所显示的内容；
信号产生模块 15, 用于提供电压 （如 24V的直流电源 )和控制信号， 所述控制信号包括 3D使能信号，具体地，该信号产生模块 15可以为系统端 的 SoC ( System on a chi , 片上系统） 芯片；
时序控制模块 24, 与所述信号产生模块 15耦合， 接收所述 3D使能信 号， 并控制源极驱动器 11与栅极驱动器 12开启像素单元以及传送数据的时 间；
DC/DC转换模块 26, 与所述信号产生模块 15耦合， 用于在接收所述 3D使能信号后产生垂直同步信号， 所述垂直同步信号供所述栅极驱动器 14 使用并驱动液晶显示器的像素阵列 10。
源极驱动器 11与栅极驱动器 12用于连接像素阵列 10中的像素单元（未 画出）， 并在栅极驱动器 14打开一列像素单元时， 由源极驱动器 12传送欲 显示的数据至像素单元进行显示， 具体地：
栅极驱动器 12, 与所述 DC/DC 转换模块 26相耦合， 用于接收所述 DC/DC转换模块 26产生的垂直同步信号， 以驱动与其连接的像素阵列 10; 源极驱动器 11 , 与所述时序控制模块 24相耦合， 用于接收所述时序控 制模块 24所产生的行同步信号 （HSYNC信号）， 以驱动与其连接的像素阵 歹 'J 10。
进一步参见图 2所示， 其为图 1中 DC/DC转换模块 26的结构示意图。 其进一步包括：
3D使能信号识别单元 260, 用于接收并识别来自所述信号产生模块 15 的 3D使能信号；
垂直同步信号产生单元 262, 用于在所述 3D使能信号识别单元 260识 别到所述 3D使能信号为高电平， 产生一个垂直同步信号；
垂直同步信号发送单元 264, 用于将所述垂直同步信号产生单元 262所 产生的垂直同步信号发送到栅极驱动器 12。
具体地，在一个实施例中上述单元可以在 DC/DC转换模块 26中的微处 理器 MCU中实现。
同时， 本发明的另一方面， 还提供一种液晶显示器的驱动方法， 其包括 哪下步骤：
步骤一、 提供一信号产生模块， 用于提供电压和控制信号， 所述控制信 号包括 3D使能信号；
步骤二、 提供一时序控制模块， 其与所述信号产生模块耦合， 用于接收 所述 3D使能信号；
步骤三、 提供一 DC/DC转换模块， 其与所述信号产生模块电耦合， 用 于在接收所述 3D使能信号后产生垂直同步信号， 所述垂直同步信号供一栅 极驱动器使用并驱动像素阵列。
其中， 进一步包括如下步骤：
在所述 DC/DC转换模块中，接收并识别来自所述信号产生模块的 3D使 能信号；
在识别到所述 3D使能信号为高电平， 产生一个垂直同步信号； 将所述垂直同步信号产生单元所产生的垂直同步信号发送到栅极驱动 器；
所述栅极驱动器接收所述 DC/DC转换模块产生的垂直同步信号， 以及 源极驱动器接收所述时序控制模块所产生的 HSYNC信号， 共同驱动与所述 栅极驱动器和所述源极驱动器连接的像素阵列。 在本发明中， 垂直同步信号由 DC/DC转换模块产生， 3D使能信号由系 统端的信号产生模块提供， 故在时序控制模块和 DC/DC转换模块之间无需 采用相应的连接器及线缆来传输垂直同步信号和 3D使能信号， 从而减少了 连接器和线缆的数目， 简化了电路， 节省了设备的成本。
以上所揭露的仅为本发明较佳实施例而已， 当然不能以此来限定本发明 之权利范围， 因此等同变化， 仍属本发明所涵盖的范围。

Claims

权 利 要 求
1、 一种液晶显示器的驱动装置， 其中， 包括：
信号产生模块， 用于提供电压信号和控制信号， 所述控制信号包括 3D 使能信号；
时序控制模块， 与所述信号产生模块耦合， 接收所述 3D使能信号； DC/DC转换模块， 与所述信号产生模块电耦合， 用于在接收所述 3D使 能信号后产生垂直同步信号， 所述垂直同步信号供一栅极驱动器使用并驱动 液晶显示器的像素阵列。
2、 如权利要求 1所述的液晶显示器的驱动装置， 其中， 所述 DC/DC转 换模块包括：
3D使能信号识别单元，用于接收并识别来自所述信号产生模块的 3D使 能信号；
垂直同步信号产生单元， 用于在所述 3D使能信号识别单元识别到所述 3D使能信号为高电平， 产生一个垂直同步信号；
垂直同步信号发送单元，用于将所述垂直同步信号产生单元所产生的垂 直同步信号发送出去。
3、 如权利要求 1所述的液晶显示器的驱动装置， 其中， 进一步包括： 栅极驱动器， 与所述 DC/DC转换模块相耦合， 用于接收所述 DC/DC转 换模块产生的垂直同步信号， 以驱动与所述栅极驱动器连接的像素阵列； 源极驱动器， 与所述时序控制模块相耦合， 用于接收所述时序控制模块 所产生的行同步信号， 以驱动与所述源极驱动器连接的像素阵列。
4、 如权利要求 3所述的液晶显示器的驱动装置， 其中， 所述信号产生 模块为系统端的 SoC芯片。
5、 如权利要求 2所述的液晶显示器的驱动装置， 其中， 进一步包括： 栅极驱动器， 与所述 DC/DC转换模块相耦合， 用于接收所述 DC/DC转 换模块产生的垂直同步信号， 以驱动与所述栅极驱动器连接的像素阵列； 源极驱动器， 与所述时序控制模块相耦合， 用于接收所述时序控制模块 所产生的行同步信号， 以驱动与所述源极驱动器连接的像素阵列。
6、 一种液晶显示器， 其中， 其包括像素阵列、 源极驱动器、 栅极驱动 器、 时序控制模块、 DC/DC转换模块、 信号产生模块和背光模块， 其中： 信号产生模块， 用于提供电压信号和控制信号， 所述控制信号包括 3D 使能信号；
时序控制模块， 与所述信号产生模块耦合， 接收所述 3D使能信号；
DC/DC转换模块， 与所述信号产生模块电耦合， 用于在接收所述 3D使 能信号后产生垂直同步信号；
栅极驱动器， 与所述 DC/DC转换模块相耦合， 用于接收所述 DC/DC转 换模块产生的垂直同步信号， 以驱动与所述栅极驱动器连接的像素阵列； 源极驱动器， 与所述时序控制模块相耦合， 用于接收所述时序控制模块 所产生的行同步信号， 以驱动与所述源极驱动器连接的像素阵列。
7、如权利要求 6所述的液晶显示器，其中，所述 DC/DC转换模块包括： 3D使能信号识别单元，用于接收并识别来自所述信号产生模块的 3D使 能信号；
垂直同步信号产生单元， 用于在所述 3D使能信号识别单元识别到所述 3D使能信号为高电平， 产生一个垂直同步信号；
垂直同步信号发送单元，用于将所述垂直同步信号产生单元所产生的垂 直同步信号发送到栅极驱动器。
8、 如权利要求 6所述的液晶显示器， 其中， 所述信号产生模块为系统 端的 SoC芯片。
9、 如权利要求 7所述的液晶显示器， 其中， 所述信号产生模块为系统 端的 SoC芯片。
10、 一种液晶显示器的驱动方法， 其中， 包括：
提供一信号产生模块，用于提供电压和控制信号，所述控制信号包括 3D 使能信号；
提供一时序控制模块， 其与所述信号产生模块耦合， 用于接收所述 3D 使能信号；
提供一 DC/DC转换模块， 其与所述信号产生模块电耦合， 用于在接收 所述 3D使能信号后产生垂直同步信号， 所述垂直同步信号供一栅极驱动器 使用并驱动像素阵列。
11、 如权利要求 10所述的液晶显示器的驱动方法， 其中， 进一步包括 如下步骤：
在所述 DC/DC转换模块中，接收并识别来自所述信号产生模块的 3D使 能信号；
在识别到所述 3D使能信号为高电平， 产生一个垂直同步信号； 将所述垂直同步信号产生单元所产生的垂直同步信号发送到栅极驱动 器。
12、 如权利要求 11 所述的液晶显示器的驱动方法， 其中， 进一步包括 如下步骤：
所述栅极驱动器接收所述 DC/DC转换模块产生的垂直同步信号， 以及 源极驱动器接收所述时序控制模块所产生的行同步信号，共同驱动与所述栅 极驱动器和所述源极驱动器连接的像素阵列。
PCT/CN2013/078032 2013-05-07 2013-06-26 一种液晶显示器的驱动装置、驱动方法及相应的液晶显示器 WO2014180039A1 (zh)

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