WO2018170942A1 - 驱动控制电路及液晶显示设备 - Google Patents

驱动控制电路及液晶显示设备 Download PDF

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Publication number
WO2018170942A1
WO2018170942A1 PCT/CN2017/078751 CN2017078751W WO2018170942A1 WO 2018170942 A1 WO2018170942 A1 WO 2018170942A1 CN 2017078751 W CN2017078751 W CN 2017078751W WO 2018170942 A1 WO2018170942 A1 WO 2018170942A1
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Prior art keywords
sub
pixel
column
electrical switch
control
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Ceased
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PCT/CN2017/078751
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English (en)
French (fr)
Inventor
陈彩琴
赵瑜
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Wuhan China Star Optoelectronics Technology Co Ltd
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Wuhan China Star Optoelectronics Technology Co Ltd
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Priority to US15/535,666 priority Critical patent/US10395613B2/en
Publication of WO2018170942A1 publication Critical patent/WO2018170942A1/zh
Anticipated expiration legal-status Critical
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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
    • 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
    • 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
    • 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
    • G09G2310/0297—Special arrangements with multiplexing or demultiplexing of display data in the drivers for data electrodes, in a pre-processing circuitry delivering display data to said drivers or in the matrix panel, e.g. multiplexing plural data signals to one D/A converter or demultiplexing the D/A converter output to multiple columns
    • 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
    • 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
    • G09G3/3607—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 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a drive control circuit and a liquid crystal display device.
  • the structure of pixels (RGB, red, green and blue) of liquid crystal display devices changes.
  • the structure of the pixel is accompanied by OLED (Organic Light- Emitting Diode, an organic light-emitting diode) appears to be born.
  • OLED Organic Light- Emitting Diode, an organic light-emitting diode
  • the same resolution is adopted by the sub-pixel sharing method, so that the actual driving signal is reduced, that is, the wiring density is reduced.
  • at least one column has at least two different sub-pixels (eg, R and G) such that the driver chip outputs a composite signal to the column of sub-pixels to meet display requirements.
  • the output of the composite signal requires the driver chip to perform complex algorithm conversion, so that the power consumption of the driver chip is large, and the power consumption of the liquid crystal display device is increased.
  • Another object of the present invention is to provide a liquid crystal display device.
  • the present invention provides a driving control circuit, which is applied to a liquid crystal display device, the driving circuit includes a sub-pixel set, a thin film transistor set, a switching unit, and a driver, and the driver includes a control end, a row driving end, and a column driving end.
  • the sub-pixel set includes a plurality of sub-pixels arranged in a matrix
  • the thin film transistor set includes a thin film transistor arranged in a matrix in the same number as the sub-pixels, and one thin film transistor corresponds to one sub-pixel
  • the sub-pixel set Include at least one column of mixed sub-pixel columns including at least two different sub-pixels, the at least one column of mixed sub-pixel columns Connected to the switching unit through a corresponding thin film transistor, a control end of the thin film transistor corresponding to the at least one column of mixed sub-pixel columns is connected to the row driving end, the switching unit is further connected to the column driving end and controlled End, the control terminal outputs at least two signals to the switching unit, and cooperates with the progressive scanning of the row driving end, so that the column driving end charges the sub-pixel corresponding to the thin film transistor of the scanned row, wherein
  • the number of the at least two signals is the same as the number of the at least two different sub-pixels.
  • the hybrid sub-pixel column includes a first sub-pixel and a second sub-pixel, the first sub-pixel and the second sub-pixel are different, and the switching unit includes at least one set of electrical switches, each set of electrical switches Corresponding to a column of mixed sub-pixel columns, each set of electrical switches includes a first electrical switch and a second electrical switch, the at least two signals including a first signal and a second signal, and a control end of the first electrical switch is coupled to the a control end of the driver to receive a first signal, a first end of the first electrical switch being coupled to the column drive end, a second end of the first electrical switch being coupled to the first sub-pixel, a control end of the second electrical switch is coupled to the control end of the driver to receive a second signal, a first end of the second electrical switch is coupled to the column drive end, and a second end of the second electrical switch Connected to the second sub-pixel, the control terminal outputs first and second signals to the switching unit, and cooperates with the progressive scanning of the row driving end, so
  • the hybrid sub-pixel further includes a third sub-pixel, the third sub-pixel is different from the first and second sub-pixels, each set of electrical switches further includes a third electrical switch, and the at least two signals further include a third signal, a control end of the third electrical switch is connected to the control end of the driver to receive the third signal, and a first end of the third electrical switch is connected to the column drive end, a second end of the third electrical switch is connected to the third sub-pixel, the control end outputs first to third signals to the switching unit, and cooperates with the progressive scanning of the row driving end, so that the column driving The terminal charges the sub-pixel corresponding to the thin film transistor of the scanned row.
  • the control end of the driver includes first to third output ends, the first output end is connected to the control end of the first electrical switch to output a first signal, and the second output end is connected to the The control end of the second electrical switch is configured to output a second signal, and the third output is connected to the control end of the third electrical switch to output a third signal.
  • the first sub-pixel is a red sub-pixel
  • the second sub-pixel is a blue sub-pixel
  • the first sub-pixel is a green sub-pixel.
  • first to third electrical switches are PNP type crystal field effect transistors
  • the first to third The control terminal, the first end and the second end of the electrical switch are the gate, the drain and the source of the FET.
  • the structure of the sub-pixel set is an array pixel structure.
  • the present invention also provides a liquid crystal display device comprising the above-described drive control circuit.
  • the driving control circuit of the present invention is applied to a liquid crystal display device, comprising a switching unit, the driver comprising a control end, a row driving end and a column driving end, wherein the at least one column of mixed sub-pixel columns is connected to the switching through a corresponding thin film transistor a control unit of the thin film transistor corresponding to the at least one column of the mixed sub-pixel columns is connected to the row driving end, the switching unit is further connected to the column driving end and the control end, and the control end outputs at least two Signaling to the switching unit and matching the progressive scanning of the row driving end, so that the column driving end charges the sub-pixel corresponding to the thin film transistor of the scanned row. Therefore, the driver does not need to perform a complex synthesis algorithm and outputs a composite signal to charge control the at least one column of mixed sub-pixel columns, thereby reducing power consumption.
  • FIG. 1 is a block diagram of a drive control circuit according to a first embodiment of the first aspect of the present invention
  • Figure 2 is a circuit diagram of Figure 1;
  • FIG. 3 is a circuit diagram of a drive control circuit according to a second embodiment of the first aspect of the present invention.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined.
  • the ground connection, or the integral connection may be a mechanical connection; it may be directly connected, or may be indirectly connected through an intermediate medium, and may be internal communication between the two elements.
  • the specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • a first embodiment of the first aspect of the present invention provides a drive control circuit 100.
  • the drive control circuit 100 is applied to a liquid crystal display device.
  • the drive control circuit 100 includes a sub-pixel set 10, a thin film transistor set 20, a switching unit 30, and a driver 40.
  • the driver 40 includes a control end 41, a row drive end 50, and a column drive end 60.
  • the sub-pixel set 10 includes a plurality of sub-pixels arranged in a matrix
  • the thin film transistor set 20 includes a thin film transistor 21 arranged in a matrix in the same number as the sub-pixels, and one thin film transistor 21 corresponds to one sub-pixel
  • the sub-pixel set 10 includes at least one column of mixed sub-pixel columns 11 including at least two different sub-pixels, and the at least one column of mixed sub-pixel columns is connected to the switching unit through a corresponding thin film transistor.
  • a control end of the thin film transistor corresponding to the at least one column of mixed sub-pixel columns is connected to the row driving end 50, and the switching unit 30 is further connected to the column driving end 60 and the control end 41.
  • the control terminal 41 outputs at least two signals to the switching unit 30, and cooperates with the progressive scanning of the row driving terminal 50, so that the column driving terminal 60 performs sub-pixels corresponding to the thin film transistors 21 of the scanned row. Charging, wherein the number of the at least two signals is the same as the number of the at least two different sub-pixels.
  • the hybrid sub-pixel column 11 includes a first sub-pixel 111 and a second sub-pixel 112 , and the first sub-pixel 111 and the second sub-pixel 112 are different.
  • the switching unit 30 includes at least one set of electrical switches 31.
  • Each set of electrical switches 31 corresponds to a column of mixed sub-pixel columns 11, each set of electrical switches 31
  • the first electrical switch Q1 and the second electrical switch Q2 are included, the at least two signals include a first signal and a second signal, and a control end of the first electrical switch Q1 is connected to the control end 41 of the driver 40 to Receiving a first signal, a first end of the first electrical switch Q1 is connected to the column driving end 60, and a second end of the first electrical switch Q1 is connected to the first sub-pixel 111, the second The control end of the electric switch Q2 is connected to the control end 41 of the driver 40 to receive a second signal, the first end of the second electric switch Q2 is connected to the column drive end 60, and the second electric switch Q2 The second end is connected to the second sub-pixel 112.
  • the control terminal 41 outputs the first and second signals to the switching unit 30, and cooperates with the progressive scanning of the row driving terminal 50, so that the column driving terminal 60 pairs the sub-pixels corresponding to the thin film transistors
  • the first sub-pixel 111 may be a red sub-pixel
  • the second sub-pixel 112 may be a blue sub-pixel.
  • the first electrical switch Q1 and the second electrical switch Q2 are both PNP type crystal field effect transistors, and the control ends, the first ends and the second ends of the first and second electrical switches Q1 and Q2 are field effects.
  • the structure of the sub-pixel set 10 is a Pentile Pixel structure.
  • the first and second sub-pixels 111 and 112 may also be converted into sub-pixels of other colors according to actual needs.
  • the first and second electrical switches Q1 and Q2 may also be other types of transistors.
  • the structure of the sub-pixel set 10 may also be other results as long as it has at least one column of mixed sub-pixel columns.
  • the drive control circuit 100 includes a switching unit 30.
  • the driver 40 includes a control end 41, a row drive end 50, and a column drive end 60.
  • the at least one column of mixed sub-pixel columns is connected to the switching unit 30 through a corresponding thin film transistor, and a control end of the thin film transistor corresponding to the at least one column of mixed sub-pixel columns is connected to the row driving end 50, the switching unit 30 is also connected to the column drive end 60 and the control end 41.
  • the control terminal 41 outputs at least two signals to the switching unit 30, and cooperates with the progressive scanning of the row driving terminal 50, so that the column driving terminal 60 performs sub-pixels corresponding to the thin film transistors 21 of the scanned row.
  • the driver 40 in the embodiment of the present invention controls the switching unit 30 by outputting at least two signals through its control terminal, and cooperates with the row driving terminal 50 to perform charging control on the at least one column of the mixed sub-pixel columns 11 .
  • the composite synthesis signal is output after the complex synthesis algorithm is no longer needed to charge control the at least one column of the mixed sub-pixel columns 11, thereby reducing power consumption.
  • the first column, the third column, and the fifth column are mixed sub-pixel columns.
  • the first sub-pixel 111 is located in a first row
  • the second sub-pixel 112 is located in a second row.
  • the third column of mixed sub-pixel columns the first sub-pixel 111 is located in the second row
  • the second sub-pixel 112 is located in the first row.
  • the fifth column of mixed sub-pixel columns the first sub-pixel 111 is located in a first row
  • the second sub-pixel 112 is located in a second row.
  • Each column of mixed sub-pixel columns corresponds to one switching unit 30.
  • the control terminal 41 turns on the first electrical switch Q1, and closes the second electrical switch Q2, so that the column driving terminal 60 is on the first row.
  • a sub-pixel 111 is charged.
  • the control terminal 41 turns on the second electrical switch Q2, and closes the first electrical switch Q1, so that the column driving terminal 60 is on the second row.
  • the two sub-pixels 112 are charged.
  • a second embodiment of the present invention provides a drive control circuit 200.
  • the second embodiment of the present invention provides the drive control circuit 200 similar to the drive control circuit 100 provided by the first embodiment, and the difference between the two is that, in the second embodiment, the hybrid sub-pixel is further A third sub-pixel 213 is included.
  • the third sub-pixel 213 is different from the first and second sub-pixels 111 and 112.
  • Each set of electrical switches 231 further includes a third electrical switch Q3, and the at least two signals further include a third signal, the third electrical a control terminal of the switch Q3 is connected to the control terminal 41 of the driver 40 to receive the third signal, and a first end of the third electrical switch Q3 is connected to the column driving terminal 60, the third electrical switch The second end of Q3 is connected to the third sub-pixel 213.
  • the control terminal 41 outputs the first to third signals to the switching unit 30, and cooperates with the progressive scanning of the row driving terminal 50, so that the column driving terminal 60 pairs the sub-pixels corresponding to the thin film transistors of the scanned row. Charge it.
  • the driver 40 in the embodiment of the present invention controls the switching unit 30 by outputting first to third signals through its control terminal, and cooperates with the row driving terminal 50 to mix the at least one column of mixed sub-pixel columns. 11 performing charging control without outputting a composite signal after performing a complicated synthesis algorithm to charge control the at least one column of the mixed sub-pixel columns 11, thereby reducing power consumption.
  • control terminal 41 includes first to third output terminals, the first output terminal is connected to the control end of the first electrical switch Q1, and the second output terminal is connected to the second electrical switch
  • the control terminal of Q2 is connected to the control terminal of the third electrical switch Q3.
  • a second embodiment of the present invention provides a liquid crystal display device.
  • the liquid crystal display device includes a drive control circuit.
  • the drive control circuit may be the drive control circuit 100 in the first aspect described above.
  • the specific structure and function of the drive control circuit 100 have been in the first solution described above. A detailed description is given, so it will not be described here.
  • the liquid crystal display device includes the drive control circuit 100.
  • the drive control circuit 100 includes a switching unit 30.
  • the driver 40 includes a control end 41, a row drive end 50, and a column drive end 60.
  • the at least one column of mixed sub-pixel columns is connected to the switching unit 30 through a corresponding thin film transistor, and a control end of the thin film transistor corresponding to the at least one column of mixed sub-pixel columns is connected to the row driving end 50, the switching unit 30 is also connected to the column drive end 60 and the control end 41.
  • the control terminal 41 outputs at least two signals to the switching unit 30, and cooperates with the progressive scanning of the row driving terminal 50, so that the column driving terminal 60 performs sub-pixels corresponding to the thin film transistors 21 of the scanned row.
  • the driver 40 in the embodiment of the present invention controls the switching unit 30 by outputting at least two signals through its control terminal, and cooperates with the row driving terminal 50 to perform charging control on the at least one column of the mixed sub-pixel columns 11 .
  • the composite synthesis signal is outputted to perform charging control on the at least one column of the mixed sub-pixel columns 11 without performing a complicated synthesis algorithm, thereby reducing the power consumption of the driver 40, thereby reducing the power consumption of the liquid crystal display device.

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  • 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)
  • Liquid Crystal Display Device Control (AREA)

Abstract

一种驱动控制电路（100）包括子像素集合（10）、薄膜晶体管集合（20）、切换单元（30）及驱动器（40），驱动器（40）包括控制端（41）、行驱动端（50）及列驱动端（60），子像素集合（10）包括多个呈矩阵排列的子像素，薄膜晶体管集合（20）包括与子像素数量相同的呈矩阵排列的薄膜晶体管（21），一个薄膜晶体管（21）对应一个子像素，子像素集合（10）包括至少一列混合子像素列（11），混合子像素列（11）中包括至少两个不同的子像素，至少一列混合子像素列（11）通过相应的薄膜晶体管连接至切换单元（30），与至少一列混合子像素列（11）对应的薄膜晶体管的控制端连接至行驱动端（50），切换单元（30）还连接至列驱动端（60）及控制端（41），控制端（41）输出至少两个信号至切换单元（30），并配合行驱动端（50）的逐行扫描，使得列驱动端（60）对被扫描行的薄膜晶体管对应的子像素进行充电；由此降低了功耗。

Description

驱动控制电路及液晶显示设备
本发明要求2017年3月21日递交的发明名称为“驱动控制电路及液晶显示设备”的申请号2017101727093的在先申请优先权，上述在先申请的内容以引入的方式并入本文本中。
技术领域
本发明涉及一种显示技术领域，尤其是涉及一种驱动控制电路及液晶显示设备。
背景技术
随着液晶显示技术不断的发展进步，液晶显示设备的像素(RGB，红绿蓝)结构随着变化，相较于传统的RGB结构，排列像素(pentile pixel)结构是伴随着OLED(Organic Light-Emitting Diode，有机发光二极管)显示诞生而出现的。对于排列像素结构，同一分辨率，采用子像素共用的方式，使得实际驱动信号减少，即布线密度减小。对于排列像素结构，至少有一列具有至少两个不同的子像素(例如R及G)，这样驱动芯片对该列子像素输出合成信号，以满足显示需求。但是，合成信号的输出需要驱动芯片进行复杂的算法转换，从而使得驱动芯片的功耗很大，增加了液晶显示设备的功耗。
发明内容
本发明的目的在于提供一种驱动控制电路，以降低驱动功耗。
本发明的另一目的在于提供一种液晶显示设备。
为了实现上述目的，本发明实施方式提供如下技术方案：
本发明提供一种驱动控制电路，应用于液晶显示设备中，所述驱动电路包括子像素集合、薄膜晶体管集合、切换单元及驱动器，所述驱动器包括控制端、行驱动端及列驱动端，所述子像素集合包括多个呈矩阵排列的子像素，所述薄膜晶体管集合包括与所述子像素数量相同的呈矩阵排列的薄膜晶体管，一个薄膜晶体管对应一个子像素，其中，所述子像素集合包括至少一列混合子像素列，所述混合子像素列中包括至少两个不同的子像素，所述至少一列混合子像素列 通过相应的薄膜晶体管连接至所述切换单元，与所述至少一列混合子像素列对应的薄膜晶体管的控制端连接至所述行驱动端，所述切换单元还连接至所述列驱动端及控制端，所述控制端输出至少两个信号至所述切换单元，并配合所述行驱动端的逐行扫描，使得所述列驱动端对被扫描行的薄膜晶体管对应的子像素进行充电，其中，所述至少两个信号的数量与所述至少两个不同的子像素的数量相同。
其中，所述混合子像素列包括第一子像素及第二子像素，所述第一子像素及所述第二子像素不同，所述切换单元包括至少一组电开关，每一组电开关对应一列混合子像素列，每组电开关包括第一电开关及第二电开关，所述至少两个信号包括第一信号及第二信号，所述第一电开关的控制端连接至所述驱动器的控制端，以接收第一信号，所述第一电开关的第一端连接至所述列驱动端，所述第一电开关的第二端连接至所述第一子像素，所述第二电开关的控制端连接至所述驱动器的控制端，以接收第二信号，所述第二电开关的第一端连接至所述列驱动端，所述第二电开关的第二端连接至所述第二子像素，所述控制端输出第一及第二信号至所述切换单元，并配合所述行驱动端的逐行扫描，使得所述列驱动端对被扫描行的薄膜晶体管对应的子像素进行充电。
其中，，所述混合子像素还包括第三子像素，所述第三子像素与第一及第二子像素不同，每组电开关还包括第三电开关，所述至少两个信号还包括第三信号，所述第三电开关的控制端连接至所述驱动器的控制端，以接收所述第三信号，所述第三电开关的第一端连接至所述列驱动端，所述第三电开关的第二端连接至所述第三子像素，所述控制端输出第一至第三信号至所述切换单元，并配合所述行驱动端的逐行扫描，使得所述列驱动端对被扫描行的薄膜晶体管对应的子像素进行充电。
其中，所述驱动器的控制端包括第一至第三输出端，所述第一输出端连接至所述第一电开关的控制端，以输出第一信号，所述第二输出端连接至所述第二电开关的控制端，以输出第二信号，所述第三输出端连接至所述第三电开关的控制端，以输出第三信号。
其中，所述第一子像素为红色子像素，所述第二子像素为蓝色子像素，所述第一子像素为绿色子像素。
其中，所述第一至第三电开关均为PNP型晶场效应管，所述第一至第三 电开关的控制端、第一端及第二端为场效应管的栅极、漏极及源极。
其中，所述子像素集合的结构为排列像素结构。
本发明还提供一种液晶显示设备，包括上述的驱动控制电路。
本发明实施例具有如下优点或有益效果：
本发明的驱动控制电路应用于液晶显示设备中，包括切换单元，所述驱动器包括控制端、行驱动端及列驱动端，所述至少一列混合子像素列通过相应的薄膜晶体管连接至所述切换单元，与所述至少一列混合子像素列对应的薄膜晶体管的控制端连接至所述行驱动端，所述切换单元还连接至所述列驱动端及控制端，所述控制端输出至少两个信号至所述切换单元，并配合所述行驱动端的逐行扫描，使得所述列驱动端对被扫描行的薄膜晶体管对应的子像素进行充电。因此，驱动器无需再进行复杂的合成算法后输出合成信号来对所述至少一列混合子像素列进行充电控制，从而降低了功耗。
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他的附图。
图1是本发明第一方案第一实施例提供的一种驱动控制电路的框图；
图2是图1的电路图；
图3是本发明第一方案第二实施例提供的一种驱动控制电路的电路图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其它实施例，都属于本发明保护的范围。
此外，以下各实施例的说明是参考附加的图示，用以例示本发明可用以实施的特定实施例。本发明中所提到的方向用语，例如，“上”、“下”、“前”、“后”、“左”、“右”、“内”、“外”、“侧面”等，仅是参考附加图式的方向，因此，使用 的方向用语是为了更好、更清楚地说明及理解本发明，而不是指示或暗指所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸地连接，或者一体地连接；可以是机械连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
此外，在本发明的描述中，除非另有说明，“多个”的含义是两个或两个以上。若本说明书中出现“工序”的用语，其不仅是指独立的工序，在与其它工序无法明确区别时，只要能实现该工序所预期的作用则也包括在本用语中。另外，本说明书中用“～”表示的数值范围是指将“～”前后记载的数值分别作为最小值及最大值包括在内的范围。在附图中，结构相似或相同的用相同的标号表示。
请参阅图1及图2，本发明第一方案第一实施例提供一种驱动控制电路100。所述驱动控制电路100应用于液晶显示设备中。所述驱动控制电路100包括子像素集合10、薄膜晶体管集合20、切换单元30及驱动器40。所述驱动器40包括控制端41、行驱动端50及列驱动端60。所述子像素集合10包括多个呈矩阵排列的子像素，所述薄膜晶体管集合20包括与所述子像素数量相同的呈矩阵排列的薄膜晶体管21，一个薄膜晶体管21对应一个子像素，其中，所述子像素集合10包括至少一列混合子像素列11，所述混合子像素列中包括至少两个不同的子像素，所述至少一列混合子像素列通过相应的薄膜晶体管连接至所述切换单元30，与所述至少一列混合子像素列对应的薄膜晶体管的控制端连接至所述行驱动端50，所述切换单元30还连接至所述列驱动端60及控制端41。所述控制端41输出至少两个信号至所述切换单元30，并配合所述行驱动端50的逐行扫描，使得所述列驱动端60对被扫描行的薄膜晶体管21对应的子像素进行充电，其中，所述至少两个信号的数量与所述至少两个不同的子像素的数量相同。
在本实施中，所述混合子像素列11包括第一子像素111及第二子像素112，所述第一子像素111及所述第二子像素112不同。所述切换单元30包括至少一组电开关31。每一组电开关31对应一列混合子像素列11，每组电开关31 包括第一电开关Q1及第二电开关Q2，所述至少两个信号包括第一信号及第二信号，所述第一电开关Q1的控制端连接至所述驱动器40的控制端41，以接收第一信号，所述第一电开关Q1的第一端连接至所述列驱动端60，所述第一电开关Q1的第二端连接至所述第一子像素111，所述第二电开关Q2的控制端连接至所述驱动器40的控制端41，以接收第二信号，所述第二电开关Q2的第一端连接至所述列驱动端60，所述第二电开关Q2的第二端连接至所述第二子像素112。所述控制端41输出第一及第二信号至所述切换单元30，并配合所述行驱动端50的逐行扫描，使得所述列驱动端60对被扫描行的薄膜晶体管对应的子像素进行充电。
需要说明的是，在本实施例中，所述第一子像素111可以为红色子像素，所述第二子像素112可以为蓝色子像素。所述第一电开关Q1及所述第二电开关Q2均为PNP型晶场效应管，所述第一及第二电开关Q1及Q2的控制端、第一端及第二端为场效应管的栅极、漏极及源极。且所述子像素集合10的结构为排列像素(Pentile Pixel)结构。在其他实施例中，所述第一及第二子像素111及112也可以根据实际需要变换为其他颜色的子像素。所述第一及第二电开关Q1及Q2也可以为其他类型的晶体管。所述子像素集合10的结构也可以为其他结果，只要具有至少一列混合子像素列即可。
在本实施例中，所述驱动控制电路100包括切换单元30。且所述驱动器40包括控制端41、行驱动端50及列驱动端60。所述至少一列混合子像素列通过相应的薄膜晶体管连接至所述切换单元30，与所述至少一列混合子像素列对应的薄膜晶体管的控制端连接至所述行驱动端50，所述切换单元30还连接至所述列驱动端60及控制端41。所述控制端41输出至少两个信号至所述切换单元30，并配合所述行驱动端50的逐行扫描，使得所述列驱动端60对被扫描行的薄膜晶体管21对应的子像素进行充电，其中，所述至少两个信号的数量与所述至少两个不同的子像素的数量相同。因此，本发明实施例中的驱动器40通过其控制端输出至少两个信号控制所述切换单元30，并与所述行驱动端50配合来对所述至少一列混合子像素列11进行充电控制，而无需再进行复杂的合成算法后输出合成信号来对所述至少一列混合子像素列11进行充电控制，从而降低了功耗。
现举一实例说明所述驱动控制电路100的工作原理。假设所述子像素集合 为三行五列的矩阵结构。第一列、第三列及第五列为混合子像素列。其中，在第一列混合子像素列中，所述第一子像素111位于第一行，所述第二子像素112位于第二行。在第三列混合子像素列中，所述第一子像素111位于第二行，所述第二子像素112位于第一行。在第五列混合子像素列中，所述第一子像素111位于第一行，所述第二子像素112位于第二行。每一列混合子像素列对应一个切换单元30。当所述行驱动端50开启所述第一行薄膜晶体管21，所述控制端41导通第一电开关Q1，闭合第二电开关Q2，使得所述列驱动端60对第一行的第一子像素111进行充电。当所述行驱动端50开启所述第二行薄膜晶体管21，所述控制端41导通第二电开关Q2，闭合第一电开关Q1，使得所述列驱动端60对第二行的第二子像素112进行充电。
请参阅图3，本发明第一方案第二实施例提供一种驱动控制电路200。本发明第一方案第二实施例提供所述驱动控制电路200与所述第一实施例提供的驱动控制电路100相似，两者的区别在于：在第二实施例中，所述混合子像素还包括第三子像素213。所述第三子像素213与第一及第二子像素111及112不同，每组电开关231还包括第三电开关Q3，所述至少两个信号还包括第三信号，所述第三电开关Q3的控制端连接至所述驱动器40的控制端41，以接收所述第三信号，所述第三电开关Q3的第一端连接至所述列驱动端60，所述第三电开关Q3的第二端连接至所述第三子像素213。所述控制端41输出第一至第三信号至所述切换单元30，并配合所述行驱动端50的逐行扫描，使得所述列驱动端60对被扫描行的薄膜晶体管对应的子像素进行充电。
需要说明的是，本发明实施例中的驱动器40通过其控制端输出第一至第三信号控制所述切换单元30，并与所述行驱动端50配合来对所述至少一列混合子像素列11进行充电控制，而无需再进行复杂的合成算法后输出合成信号来对所述至少一列混合子像素列11进行充电控制，从而降低了功耗。
具体地，所述控制端41包括第一至第三输出端，所述第一输出端连接至所述第一电开关Q1的控制端，所述第二输出端连接至所述第二电开关Q2的控制端，所述第三输出端连接至所述第三电开关Q3的控制端。
本发明第二方案实施例提供一种液晶显示设备。所述液晶显示设备包括驱动控制电路。在本实施例中，所述驱动控制电路可以为上述第一方案中的驱动控制电路100。所述驱动控制电路100的具体结构及功能已在上述第一方案中 进行了详细的描述，故在此不再赘述。
在本实施例中，所述液晶显示设备包括所述驱动控制电路100。所述驱动控制电路100包括切换单元30。且所述驱动器40包括控制端41、行驱动端50及列驱动端60。所述至少一列混合子像素列通过相应的薄膜晶体管连接至所述切换单元30，与所述至少一列混合子像素列对应的薄膜晶体管的控制端连接至所述行驱动端50，所述切换单元30还连接至所述列驱动端60及控制端41。所述控制端41输出至少两个信号至所述切换单元30，并配合所述行驱动端50的逐行扫描，使得所述列驱动端60对被扫描行的薄膜晶体管21对应的子像素进行充电，其中，所述至少两个信号的数量与所述至少两个不同的子像素的数量相同。因此，本发明实施例中的驱动器40通过其控制端输出至少两个信号控制所述切换单元30，并与所述行驱动端50配合来对所述至少一列混合子像素列11进行充电控制，而无需再进行复杂的合成算法后输出合成信号来对所述至少一列混合子像素列11进行充电控制，从而降低了所述驱动器40的功耗，进而降低了所述液晶显示设备的功耗。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上所述的实施方式，并不构成对该技术方案保护范围的限定。任何在上述实施方式的精神和原则之内所作的修改、等同替换和改进等，均应包含在该技术方案的保护范围之内。

Claims (14)

  1. 一种驱动控制电路，应用于液晶显示设备中，其中，所述驱动控制电路包括子像素集合、薄膜晶体管集合、切换单元及驱动器，所述驱动器包括控制端、行驱动端及列驱动端，所述子像素集合包括多个呈矩阵排列的子像素，所述薄膜晶体管集合包括与所述子像素数量相同的呈矩阵排列的薄膜晶体管，一个薄膜晶体管对应一个子像素，其中，所述子像素集合包括至少一列混合子像素列，所述混合子像素列中包括至少两个不同的子像素，所述至少一列混合子像素列通过相应的薄膜晶体管连接至所述切换单元，与所述至少一列混合子像素列对应的薄膜晶体管的控制端连接至所述行驱动端，所述切换单元还连接至所述列驱动端及控制端，所述控制端输出至少两个信号至所述切换单元，并配合所述行驱动端的逐行扫描，使得所述列驱动端对被扫描行的薄膜晶体管对应的子像素进行充电，其中，所述至少两个信号的数量与所述至少两个不同的子像素的数量相同。
  2. 如权利要求1所述的驱动控制电路，其中，所述混合子像素列包括第一子像素及第二子像素，所述第一子像素及所述第二子像素不同，所述切换单元包括至少一组电开关，每一组电开关对应一列混合子像素列，每组电开关包括第一电开关及第二电开关，所述至少两个信号包括第一信号及第二信号，所述第一电开关的控制端连接至所述驱动器的控制端，以接收第一信号，所述第一电开关的第一端连接至所述列驱动端，所述第一电开关的第二端连接至所述第一子像素，所述第二电开关的控制端连接至所述驱动器的控制端，以接收第二信号，所述第二电开关的第一端连接至所述列驱动端，所述第二电开关的第二端连接至所述第二子像素，所述控制端输出第一及第二信号至所述切换单元，并配合所述行驱动端的逐行扫描，使得所述列驱动端对被扫描行的薄膜晶体管对应的子像素进行充电。
  3. 如权利要求2所述的驱动控制电路，其中，所述混合子像素还包括第三子像素，所述第三子像素与第一及第二子像素不同，每组电开关还包括第三 电开关，所述至少两个信号还包括第三信号，所述第三电开关的控制端连接至所述驱动器的控制端，以接收所述第三信号，所述第三电开关的第一端连接至所述列驱动端，所述第三电开关的第二端连接至所述第三子像素，所述控制端输出第一至第三信号至所述切换单元，并配合所述行驱动端的逐行扫描，使得所述列驱动端对被扫描行的薄膜晶体管对应的子像素进行充电。
  4. 如权利要求3所述的驱动控制电路，其中，所述驱动器的控制端包括第一至第三输出端，所述第一输出端连接至所述第一电开关的控制端，以输出第一信号，所述第二输出端连接至所述第二电开关的控制端，以输出第二信号，所述第三输出端连接至所述第三电开关的控制端，以输出第三信号。
  5. 如权利要求3所述的驱动控制电路，其中，所述第一子像素为红色子像素，所述第二子像素为蓝色子像素，所述第一子像素为绿色子像素。
  6. 如权利要求3所述的驱动控制电路，其中，所述第一至第三电开关均为PNP型晶场效应管，所述第一至第三电开关的控制端、第一端及第二端为场效应管的栅极、漏极及源极。
  7. 如权利要求1所述的驱动控制电路，其中，所述子像素集合的结构为排列像素结构。
  8. 一种液晶显示设备，包括一种驱动控制电路，其中，所述驱动控制电路包括子像素集合、薄膜晶体管集合、切换单元及驱动器，所述驱动器包括控制端、行驱动端及列驱动端，所述子像素集合包括多个呈矩阵排列的子像素，所述薄膜晶体管集合包括与所述子像素数量相同的呈矩阵排列的薄膜晶体管，一个薄膜晶体管对应一个子像素，其中，所述子像素集合包括至少一列混合子像素列，所述混合子像素列中包括至少两个不同的子像素，所述至少一列混合子像素列通过相应的薄膜晶体管连接至所述切换单元，与所述至少一列混合子像素列对应的薄膜晶体管的控制端连接至所述行驱动端，所述切换单元还连接至所述列驱动端及控制端，所述控制端输出至少两个信号至所述切换单元，并 配合所述行驱动端的逐行扫描，使得所述列驱动端对被扫描行的薄膜晶体管对应的子像素进行充电，其中，所述至少两个信号的数量与所述至少两个不同的子像素的数量相同。
  9. 如权利要求8所述的液晶显示设备，其中，所述混合子像素列包括第一子像素及第二子像素，所述第一子像素及所述第二子像素不同，所述切换单元包括至少一组电开关，每一组电开关对应一列混合子像素列，每组电开关包括第一电开关及第二电开关，所述至少两个信号包括第一信号及第二信号，所述第一电开关的控制端连接至所述驱动器的控制端，以接收第一信号，所述第一电开关的第一端连接至所述列驱动端，所述第一电开关的第二端连接至所述第一子像素，所述第二电开关的控制端连接至所述驱动器的控制端，以接收第二信号，所述第二电开关的第一端连接至所述列驱动端，所述第二电开关的第二端连接至所述第二子像素，所述控制端输出第一及第二信号至所述切换单元，并配合所述行驱动端的逐行扫描，使得所述列驱动端对被扫描行的薄膜晶体管对应的子像素进行充电。
  10. 如权利要求9所述的液晶显示设备，其中，所述混合子像素还包括第三子像素，所述第三子像素与第一及第二子像素不同，每组电开关还包括第三电开关，所述至少两个信号还包括第三信号，所述第三电开关的控制端连接至所述驱动器的控制端，以接收所述第三信号，所述第三电开关的第一端连接至所述列驱动端，所述第三电开关的第二端连接至所述第三子像素，所述控制端输出第一至第三信号至所述切换单元，并配合所述行驱动端的逐行扫描，使得所述列驱动端对被扫描行的薄膜晶体管对应的子像素进行充电。
  11. 如权利要求10所述的液晶显示设备，其中，所述驱动器的控制端包括第一至第三输出端，所述第一输出端连接至所述第一电开关的控制端，以输出第一信号，所述第二输出端连接至所述第二电开关的控制端，以输出第二信号，所述第三输出端连接至所述第三电开关的控制端，以输出第三信号。
  12. 如权利要求10所述的液晶显示设备，其中，所述第一子像素为红色 子像素，所述第二子像素为蓝色子像素，所述第一子像素为绿色子像素。
  13. 如权利要求10所述的液晶显示设备，其中，所述第一至第三电开关均为PNP型晶场效应管，所述第一至第三电开关的控制端、第一端及第二端为场效应管的栅极、漏极及源极。
  14. 如权利要求8所述的液晶显示设备，其中，所述子像素集合的结构为排列像素结构。
PCT/CN2017/078751 2017-03-21 2017-03-30 驱动控制电路及液晶显示设备 Ceased WO2018170942A1 (zh)

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