WO2016090719A1 - 场色序法液晶显示装置及其驱动方法 - Google Patents

场色序法液晶显示装置及其驱动方法 Download PDF

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Publication number
WO2016090719A1
WO2016090719A1 PCT/CN2015/070206 CN2015070206W WO2016090719A1 WO 2016090719 A1 WO2016090719 A1 WO 2016090719A1 CN 2015070206 W CN2015070206 W CN 2015070206W WO 2016090719 A1 WO2016090719 A1 WO 2016090719A1
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backlight
sub
color
during
pixel
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PCT/CN2015/070206
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English (en)
French (fr)
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樊勇
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深圳市华星光电技术有限公司
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Priority to US14/422,678 priority Critical patent/US9704440B2/en
Publication of WO2016090719A1 publication Critical patent/WO2016090719A1/zh

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Definitions

  • the invention belongs to the technical field of liquid crystal display, and in particular to a field color sequential liquid crystal display device and a driving method thereof.
  • liquid crystal display LCD
  • advantages such as low power consumption, no radiation and low electromagnetic interference have become the mainstream of the market.
  • the liquid crystal display device generally includes a liquid crystal display panel and a backlight module (Black Light Module, abbreviated as BL). Since the liquid crystal display panel itself does not have self-luminous characteristics, the backlight module must be disposed under the liquid crystal display panel to provide a surface light source required for the liquid crystal display panel, if the liquid crystal display panel is displayed by the surface light source provided by the backlight module. image.
  • BL Black Light Module
  • the conventional multi-primary display technology requires an additional sub-pixel in the liquid crystal display panel of the liquid crystal display device, which causes an increase in the manufacturing process of the color filter of the liquid crystal display panel, thereby increasing the cost.
  • a liquid crystal display panel has the same resolution as a liquid crystal display panel of three primary color (RGB) sub-pixels, the aperture ratio of such a liquid crystal display panel is lowered, and the transmittance is also lowered.
  • an object of the present invention is to provide a field color sequential liquid crystal display device comprising: a liquid crystal display panel comprising color filters of a first color sub-pixel and a second color sub-pixel a color filter, and a color field period thereof includes a first sub-frame period and a second sub-frame period; a backlight module for providing a backlight to the liquid crystal display panel, wherein the backlight includes a red color a backlight, a cyan backlight, a blue backlight, and a green backlight; wherein the backlight module provides the cyan backlight and the red backlight during backlighting during a first sub-frame, and the backlight module is in a second sub-frame
  • the blue backlight and the green backlight are provided during backlighting; or the backlight module provides the cyan backlight and the green backlight during backlighting during a first sub-frame, and The backlight module provides the blue backlight and the red backlight during backlighting during the second sub-frame; or the
  • the field color sequential liquid crystal display device further includes a color sequential method controller, wherein the color sequential method controller will be associated with the cyan backlight and the red color during a backlight period during the first sub-frame
  • the color image data corresponding to the backlight is respectively provided to the liquid crystal display panel, and the color sequential method controller respectively colors the blue backlight and the green backlight before the backlight period during the second sub-frame Image data is provided to the liquid crystal display panel; or the color sequential method controller provides color image data corresponding to the cyan backlight and the green backlight respectively to the backlight period during the backlight period during the first sub-frame a liquid crystal display panel, and the color sequential method controller supplies color image data respectively corresponding to the blue backlight and the red backlight to the liquid crystal display panel before a backlight period during the second sub-frame; Alternatively, the color sequential method controller provides color image data corresponding to the blue backlight and the green backlight respectively before the backlight period during the first sub-frame The liquid crystal display panel, and the color sequential method controller supplies color image data respectively corresponding
  • the color sequential method controller provides a pulse width modulation control signal to the backlight module to control a backlight enable period of a color backlight provided by the backlight module, wherein the color sequential method controller is in a Controlling the pulse width modulation control signal of the cyan backlight and the red backlight during backlighting during a sub-frame, and controlling the pulse width modulation control signal of the blue backlight and the green backlight to be disabled; And the color sequential method controller controls the pulse width modulation control signal of the cyan backlight and the red backlight to be disabled during the backlight during the second sub-frame, and controls the blue backlight and the green backlight
  • the pulse width modulation control signal is enabled; or the color sequential method controller controls the pulse width modulation control signal enable of the cyan backlight and the green backlight during a backlight during the first sub-frame, and Controlling a pulse width modulation control signal of the blue backlight and the red backlight to be disabled; and the color sequential method controller controls the cyan back during backlighting during the second sub-frame And the pulse
  • the color filter of the first color sub-pixel is a color filter of a cyan sub-pixel
  • the color filter of the second color sub-pixel is a color filter of a yellow sub-pixel
  • the backlight module provides the red backlight and the cyan backlight during backlighting during the first sub-frame to pass the color filter of the first color sub-pixel through the cyan, the second color sub-pixel
  • the color filter passes red light
  • the backlight module provides the blue backlight and the green backlight during backlighting during the second sub-frame to pass the color filter of the first color sub-pixel Blue light, the color filter of the second color sub-pixel passes through the green light
  • the backlight module provides the cyan backlight and the green backlight during backlighting during the first sub-frame to enable the a color filter of a color sub-pixel passes through the cyan, a color filter of the second color sub-pixel passes the green light; and the backlight module provides the blue backlight during backlighting during the second sub-frame And the red back a color filter of the
  • a right cutoff wavelength of the cyan backlight is smaller than a left cutoff wavelength of light passing by the color filter of the second color subpixel; a left cutoff wavelength of the green backlight is greater than a color of the first color subpixel The right cutoff wavelength of the light that the filter passes through.
  • Another object of the present invention is to provide a driving method of a field color sequential liquid crystal display device, wherein the field color sequential liquid crystal display device comprises a liquid crystal display panel and a backlight module, and the liquid crystal display panel comprises a first color. a color filter of the sub-pixel and a color filter of the second color sub-pixel, and the color field period thereof sequentially includes the first sub-frame period and the second sub-frame period; the backlight module is at the first Providing a backlight to the liquid crystal display panel during backlighting during the sub-frame and during backlighting during the second sub-frame, the backlight comprising a red backlight, a cyan backlight, a blue backlight, and a green backlight, wherein
  • the driving method includes: providing the red backlight and the cyan backlight to the liquid crystal display panel during backlighting during the first sub-frame; providing a backlight during backlighting during the second sub-frame Describe a blue backlight and the green backlight to the liquid crystal display panel; or, the driving method includes
  • the field color sequential liquid crystal display device further includes a color sequential method controller that colors each color before a backlight period during the first sub-frame and before a backlight period during the first sub-frame
  • the image data is provided to the liquid crystal display panel
  • the driving method further comprises: providing cyan image data and red image data to the liquid crystal display panel before a backlight period during the first sub-frame; Providing blue image data and green image data to the liquid crystal display panel before the backlight period during the second sub-frame; or the driving method further includes: before the backlight period during the first sub-frame Providing cyan image data and green image data to the liquid crystal display panel; providing blue image data and red image data to the liquid crystal display panel before a backlight period during the second sub-frame; or The driving method further includes: providing blue image data and green image data to the liquid crystal display before a backlight period during the first sub-frame a cyan image data and red image data are supplied to the liquid crystal display panel before the backlight period during the second sub-frame; or the driving method further includes: during the
  • the color sequential method controller provides a pulse width modulation control signal to the backlight module to control a backlight enable period of the color backlight provided by the backlight module, wherein the driving method further includes:
  • the driving method further includes: controlling a pulse width modulation control signal enable of the cyan backlight and the green backlight during a backlight during the first sub-frame, and controlling the blue backlight And the pulse width modulation control signal of the red backlight is disabled; controlling the pulse width modulation control signal of the cyan backlight and the green backlight to be disabled during the backlight during the second sub-frame, and controlling the blue a color backlight and a pulse width modulation control signal of the red backlight are enabled; or the driving method further comprises: controlling the blue during backlighting during the first sub-frame And a pulse width modulation control signal of the blue backlight and the green backlight
  • the color filter of the first color sub-pixel is a color filter of a cyan sub-pixel
  • the color filter of the second color sub-pixel is a color filter of a yellow sub-pixel
  • the driving method further includes: providing the red backlight and the cyan backlight during backlighting during the first sub-frame to pass the color filter of the first color sub-pixel through cyan, the second color
  • the color filter of the sub-pixel passes the red light; the blue backlight and the green backlight are provided during the backlight during the second sub-frame, so that the color filter of the first color sub-pixel passes the blue light,
  • the color filter of the second color sub-pixel passes the green light; or the driving method further includes: providing the cyan backlight and the green backlight during a backlight during the first sub-frame to enable the a color filter of a first color sub-pixel passes through cyan, a color filter of the second color sub-pixel passes through green light; the blue backlight and the red are provided during backlighting during a second sub-frame Backlighting
  • a right cutoff wavelength of the cyan backlight is smaller than a left cutoff wavelength of light passing by the color filter of the second color subpixel; a left cutoff wavelength of the green backlight is greater than a color of the first color subpixel The right cutoff wavelength of the light that the filter passes through.
  • the field color sequential liquid crystal display device of the invention can completely display all the object colors in the natural world, and only four color sub-pixel color filters can realize the four primary colors (red, green, blue and blue) display, and need not
  • the addition of additional sub-pixels reduces the manufacturing process of the color filter of the liquid crystal display panel and reduces the cost.
  • the field color sequential liquid crystal display device of the present invention has a larger aperture ratio and a higher transmittance than a liquid crystal display device of the same resolution of three primary color (RGB) sub-pixels.
  • FIG. 1 is a block diagram showing the structure of a field color sequential liquid crystal display device according to an embodiment of the present invention
  • FIG. 2 is a schematic cross-sectional view of a liquid crystal display panel in accordance with an embodiment of the present invention
  • FIG. 3 is a driving waveform diagram of a field color sequential liquid crystal display device according to an embodiment of the present invention.
  • FIG. 4 is a spectrogram of a cyan backlight in accordance with an embodiment of the present invention.
  • Figure 5 is a spectrogram of a green backlight in accordance with an embodiment of the present invention.
  • FIG. 6 is a penetration spectrum diagram of a color filter of a first color sub-pixel and a color filter of a second color sub-pixel, in accordance with an embodiment of the present invention
  • FIG. 7 is a spectrum diagram of a red backlight, a cyan backlight, a blue backlight, and a green backlight, and a color filter of a first color sub-pixel and a color filter of a second color sub-pixel, according to an embodiment of the present invention. Spectrum;
  • FIG. 8 is a driving waveform diagram of a field color sequential liquid crystal display device according to another embodiment of the present invention.
  • FIG. 9 is a driving waveform diagram of a field color sequential liquid crystal display device according to still another embodiment of the present invention.
  • Figure 10 is a diagram showing driving waveforms of a field color sequential liquid crystal display device according to still another embodiment of the present invention.
  • FIG. 1 is a schematic block diagram of a field color sequential liquid crystal display device in accordance with an embodiment of the present invention.
  • a field color sequential liquid crystal display device includes a liquid crystal display panel 410, a backlight module 420, and a color sequential method controller 430.
  • FIG. 2 is a schematic cross-sectional view of a liquid crystal display panel in accordance with an embodiment of the present invention.
  • the liquid crystal display panel 410 further includes a thin film transistor array substrate 411, a color filter substrate 412, and a liquid crystal layer 413 interposed between the two substrates.
  • the thin film transistor array substrate 411 includes a glass substrate 4111, a thin film transistor 4112 disposed on the glass substrate 4111 and arranged in an array, and a first polarizer 4113 disposed under the glass substrate 4111.
  • the color filter substrate 412 disposed opposite to the thin film transistor array substrate 411 includes a transparent substrate 4121, a color filter 4122 of a first color sub-pixel disposed between the transparent substrate 4121 and the liquid crystal layer 413, and a second color sub-pixel.
  • the color filter 4122 of the first color sub-pixel and the color filter 4123 of the second color sub-pixel constitute a display pixel.
  • the color filter may be a plastic plate or a glass plate of a film.
  • the liquid crystal layer 413 includes a plurality of sub-pixel regions 4131 disposed apart, wherein each of the sub-pixel regions 4131 is filled with liquid crystal molecules.
  • the color filter 4122 of the first color sub-pixel and the color filter 4123 of the second color sub-pixel correspond to one sub-pixel region 4131, respectively.
  • FIG. 3 is a driving waveform diagram of a field color sequential liquid crystal display device according to an embodiment of the present invention.
  • the backlight module 420 provides a backlight to the liquid crystal display panel 410, wherein the backlight includes a red (R) backlight, a cyan (C) backlight, a blue (B) backlight, and a green (G) backlight.
  • the backlight module 420 can generate a red backlight through a red light emitting diode (LED), a cyan backlight through a cyan light emitting diode, a blue backlight through a blue light emitting diode, and a green backlight through a green light emitting diode.
  • LED red light emitting diode
  • a cyan backlight through a cyan light emitting diode
  • blue backlight through a blue light emitting diode
  • a green backlight through a green light emitting diode.
  • the color sequence controller 430 respectively corresponds the color filter 4122 of the first color sub-pixel and the color filter 4123 of the second color sub-pixel in the first sub-frame period T1 and the second sub-frame period T2.
  • the light valves for controlling the liquid crystal molecules in the pixel region 4131 are all turned on, and the color image data is sequentially written to the liquid crystal display panel before the backlight is provided during the first sub-frame period T1 and before the backlight is provided during the second sub-frame period T2. 410.
  • the color sequence controller 120 controls the backlight module 420 to provide a corresponding color backlight to the liquid crystal display panel 410 during the first sub-frame period T1 and the second sub-frame period T2 to cause the liquid crystal display panel 410 to display.
  • the color filter 4122 of the first color sub-pixel is a color filter of a cyan (C) sub-pixel
  • the color filter 4123 of the second color sub-pixel is a color of a yellow (Y) sub-pixel. Filter.
  • the backlight module 420 provides a red backlight and a cyan backlight during the backlight period L1 of the first sub-frame period T1
  • the color filter 4122 of the first color sub-pixel desirably passes the cyan
  • the color filter of the second color sub-pixel The light sheet 4123 is desirably passed through red light, and thus the liquid crystal display panel 410 displays image data corresponding to the red backlight and the cyan backlight, that is, cyan image data and red image data.
  • the backlight module 420 provides a blue backlight and a green backlight during the backlight period L2 of the second sub-frame period T2.
  • the color filter 4122 of the first color sub-pixel desirably passes through the blue color, and the color filter 4123 of the second color sub-pixel.
  • the green light is emitted, so that the liquid crystal display panel 410 displays image data corresponding to the blue backlight and the green backlight, that is, blue image data and green image data.
  • the backlight enable period of the various color backlights provided by the backlight module 420 can be controlled by the duty cycle of the corresponding pulse width modulation (PWM) control signal provided by the color sequence controller 430. Since the red backlight can be generated by the red light emitting diode, the cyan backlight can be generated by the cyan light emitting diode, the blue backlight can be generated by the blue light emitting diode, and the green backlight can be generated by the green light emitting diode, so during the backlight period L1 of the T1 during the first sub frame, Controlling the PWM control signal of the blue LED and the green LED to disable, and controlling the PWM control signal of the red LED and the cyan LED; and controlling the red illumination during the backlight period L2 of the second sub-frame during T2
  • the PWM control signals of the diodes and cyan LEDs are disabled, while the PWM control signals that control the blue and green LEDs are enabled.
  • FIG. 4 is a spectrogram of a cyan backlight in accordance with an embodiment of the present invention.
  • Figure 5 is a spectrogram of a green backlight in accordance with an embodiment of the present invention.
  • 6 is a penetration spectrum diagram of a color filter of a first color sub-pixel and a color filter of a second color sub-pixel, in accordance with an embodiment of the present invention.
  • 7 is a spectrum diagram of a red backlight, a cyan backlight, a blue backlight, and a green backlight, and a color filter of a first color sub-pixel and a color filter of a second color sub-pixel, according to an embodiment of the present invention. Spectrum.
  • the interference of the green light is reduced; and at the same time, in order to transmit the long-wavelength light
  • the color filter 4123 of the two color sub-pixels can obtain relatively pure green light and red light, and reduce the interference of cyan light.
  • the right cutoff wavelength ⁇ cRc of the cyan backlight is smaller than that of the second color sub-pixel.
  • a field color sequential liquid crystal display device can display a screen that completely covers all of the object colors (Pointer's Gamut) in nature, and only requires color filtering of two color sub-pixels.
  • the film can realize the display of four primary colors (red, green, blue and blue) without adding additional sub-pixels, reducing the manufacturing process of the color filter of the liquid crystal display panel and reducing the cost.
  • the field color sequential liquid crystal display device has a larger aperture ratio and a higher transmittance than a liquid crystal display device of the same resolution of three primary color (RGB) sub-pixels.
  • the backlight module 420 provides a blue backlight and a green backlight during the backlight period L1 of the first sub-frame period T1, and the color filter 4122 of the first color sub-pixel is ideally
  • the color filter 4123 of the second color sub-pixel is desirably passed through the green light by the blue light, so that the liquid crystal display panel 410 displays the image data corresponding to the blue backlight and the green backlight, that is, the blue image data and the green image data.
  • the backlight module 420 provides a red backlight and a cyan backlight during the backlight period L2 of the second sub-frame period T2, the color filter 4122 of the first color sub-pixel desirably passes the cyan, and the color filter 4123 of the second color sub-pixel Ideally, the red light is emitted, so that the liquid crystal display panel 410 displays image data corresponding to the red backlight and the cyan backlight, that is, cyan image data and red image data.
  • the backlight enable period of the various color backlights provided by the backlight module 420 can be controlled by the duty cycle of the corresponding pulse width modulation (PWM) control signal provided by the color sequence controller 430. Since the red backlight can be red The color light emitting diode is generated, the cyan backlight can be generated by the cyan light emitting diode, the blue backlight can be generated by the blue light emitting diode, and the green backlight can be generated by the green light emitting diode, so the blue light is controlled during the backlight period L1 of the T1 during the first sub frame.
  • PWM pulse width modulation
  • the PWM control signal of the diode and the green LED is enabled, and the PWM control signal of the red LED and the cyan LED is disabled; and during the backlight period L2 of the second sub-frame, the red LED and the cyan are controlled.
  • the PWM control signal of the diode is enabled, while the PWM control signal that controls the blue LED and the green LED is disabled.
  • the backlight module 420 provides a cyan backlight and a green backlight during the backlight period L1 of the first sub-frame period T1, and the color filter 4122 of the first color sub-pixel desirably passes The cyan, color filter 4123 of the second color sub-pixel desirably passes through the green light, and thus the liquid crystal display panel 410 displays image data corresponding to the cyan backlight and the green backlight, that is, cyan image data and green image data.
  • the backlight module 420 provides a red backlight and a blue backlight during the backlight period L2 of the second sub-frame period T2.
  • the color filter 4122 of the first color sub-pixel desirably passes through the blue color, and the color filter 4123 of the second color sub-pixel. Ideally, the red light is emitted, so that the liquid crystal display panel 410 displays image data corresponding to the red backlight and the blue backlight, that is, blue image data and red image data.
  • the backlight enable period of the various color backlights provided by the backlight module 420 can be controlled by the duty cycle of the corresponding pulse width modulation (PWM) control signal provided by the color sequence controller 430. Since the red backlight can be generated by the red light emitting diode, the cyan backlight can be generated by the cyan light emitting diode, the blue backlight can be generated by the blue light emitting diode, and the green backlight can be generated by the green light emitting diode, so during the backlight period L1 of the T1 during the first sub frame, Controlling the PWM control signal of the cyan LED and the green LED to enable the PWM control signal of the red LED and the blue LED to be disabled; and during the backlight period L2 during the second sub-frame, controlling the green illumination
  • the PWM control signals of the diodes and cyan LEDs are disabled, while the PWM control signals that control the blue and red LEDs are enabled.
  • the backlight module 420 provides a red backlight and a blue backlight during the backlight period L1 of the first sub-frame period T1, and the color filter 4122 of the first color sub-pixel desirably passes The blue color, the color filter 4123 of the second color sub-pixel is desirably passed through red light, and thus the liquid crystal display panel 410 displays image data corresponding to the red backlight and the blue backlight, that is, blue image data and red image data.
  • the backlight module 420 provides a cyan backlight and a green backlight during the backlight period L2 of the second sub-frame period T2.
  • the color filter 4122 of the first color sub-pixel desirably passes through the cyan, the color filter of the second color sub-pixel. 4123 ideally passes through the green light, so that the liquid crystal display panel 410 displays image data corresponding to the cyan backlight and the green backlight, that is, cyan image data and green image data.
  • the backlight enable period of the various color backlights provided by the backlight module 420 can be controlled by the duty cycle of the corresponding pulse width modulation (PWM) control signal provided by the color sequence controller 430. Since the red backlight can be generated by the red light emitting diode, the cyan backlight can be generated by the cyan light emitting diode, the blue backlight can be generated by the blue light emitting diode, and the green backlight can be generated by the green light emitting diode, so during the backlight period L1 of the T1 during the first sub frame, Controlling the PWM control signal of the green LED and the cyan LED to disable, and controlling the PWM control signal of the blue LED and the red LED; while controlling the green illumination during the backlight period L2 of the second sub-frame during T2 Two pole
  • the PWM control signals of the tube and cyan LEDs are enabled, while the PWM control signals that control the blue and red LEDs are disabled.

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Abstract

一种场色序法液晶显示装置，包括液晶显示面板（410）和背光模块（420）。液晶显示面板（410）包括第一彩色子像素的彩色滤光片（4122）和第二彩色子像素的彩色滤光片（4123），且其色场周期依序分为第一子画框期间（T1）和第二子画框期间（T2）。背光模块（420）用于提供背光源至液晶显示面板（410）。背光源包括红色（R）背光、青色（C）背光、蓝色（B）背光和绿色（G）背光。背光模块（420）在第一子画框期间（T1）的背光期间提供四种颜色背光之二，背光模块（420）在第二子画框期间（T2）的背光期间提供四种颜色背光之另二。该液晶显示装置显示的画面能完全覆盖自然界的所有物体色，且只需两个彩色滤光片（4122、4123）即可实现四基色（红绿蓝青）显示，无需增加额外的次像素，减少了彩色滤光片的制程工序，降低成本。

Description

场色序法液晶显示装置及其驱动方法 技术领域
本发明属于液晶显示技术领域，具体地讲，涉及一种场色序法液晶显示装置及其驱动方法。
背景技术
随着光电与半导体技术的演进，也带动了平板显示装置(Flat Panel Display)的蓬勃发展，而在诸多平板显示装置中，液晶显示装置(Liquid Crystal Display，简称LCD)因具有高空间利用效率、低消耗功率、无辐射以及低电磁干扰等诸多优越特性，已成为市场的主流。
液晶显示装置通常包括液晶显示面板(Liquid Crystal Panel)与背光模块(Black Light Module，简称BL)。由于液晶显示面板本身并不具备自发光的特性，因此必须将背光模块配置在液晶显示面板下方，以提供液晶显示面板所需的面光源，如果液晶显示面板借由背光模块提供的面光源而显示影像。
随着液晶显示技术的发展，高解析度和高色域将成为今后的液晶显示装置的主要发展方向。然而在现有的液晶显示装置中，由于彩色滤光片(Color Filter)滤波的限制和背光源的限制，即使是高色域的液晶显示装置也无法完全覆盖自然界的所有物体色(通常，该所有物体色的色域范围也称Pointer’s gamut或者Real Surface Color)。为了使现有的液晶显示装置实现所有物体色的全覆盖，需采取多基色显示技术，其中，增加青色(Cyan Color)色彩显得尤为重要。但是传统的多基色显示技术需要在液晶显示装置的液晶显示面板中增加额外的次像素(Subpixel)，这将会导致液晶显示面板的彩色滤光片的制程工序增加，从而使成本增加。此外，如果这样的液晶显示面板与三基色(RGB)子像素的液晶显示面板具有相同的解析度，会使得这样的液晶显示面板的开口率下降，同时穿透率也会下降。
发明内容
为了解决上述现有技术存在的问题，本发明的目的在于提供一种场色序法液晶显示装置，包括：液晶显示面板，包括第一彩色子像素的彩色滤光片和第二彩色子像素的彩色滤光片，且其色场周期依序包括第一子画框期间和第二子画框期间；背光模块，用于提供背光源至所述液晶显示面板，其中，所述背光源包括红色背光、青色背光、蓝色背光和绿色背光；其中，所述背光模块在第一子画框期间的背光期间提供所述青色背光和所述红色背光，且所述背光模块在第二子画框期间的背光期间提供所述蓝色背光和所述绿色背光；或者，所述背光模块在第一子画框期间的背光期间提供所述青色背光和所述绿色背光，且所 述背光模块在第二子画框期间的背光期间提供所述蓝色背光和所述红色背光；或者，所述背光模块在第一子画框期间的背光期间提供所述蓝色背光和所述绿色背光，且所述背光模块在第二子画框期间的背光期间提供所述青色背光和所述红色背光；或者，所述背光模块在第一子画框期间的背光期间提供所述蓝色背光和所述红色背光，且所述背光模块在第二子画框期间的背光期间提供所述青色背光和所述绿色背光。
进一步地，所述场色序法液晶显示装置还包括色序法控制器，其中，所述色序法控制器在第一子画框期间的背光期间之前将与所述青色背光和所述红色背光分别对应的颜色影像数据提供至所述液晶显示面板，且所述色序法控制器在第二子画框期间的背光期间之前将与所述蓝色背光和所述绿色背光分别对应的颜色影像数据提供至所述液晶显示面板；或者，所述色序法控制器在第一子画框期间的背光期间之前将与所述青色背光和所述绿色背光分别对应的颜色影像数据提供至所述液晶显示面板，且所述色序法控制器在第二子画框期间的背光期间之前将与所述蓝色背光和所述红色背光分别对应的颜色影像数据提供至所述液晶显示面板；或者，所述色序法控制器在第一子画框期间的背光期间之前将与所述蓝色背光和所述绿色背光分别对应的颜色影像数据提供至所述液晶显示面板，且所述色序法控制器在第二子画框期间的背光期间之前将与所述青色背光和所述红色背光分别对应的颜色影像数据提供至所述液晶显示面板；或者，所述色序法控制器在第一子画框期间的背光期间之前将与所述蓝色背光和所述红色背光分别对应的颜色影像数据提供至所述液晶显示面板，且所述色序法控制器在第二子画框期间的背光期间之前将与所述青色背光和所述绿色背光分别对应的颜色影像数据提供至所述液晶显示面板。
进一步地，所述色序法控制器提供脉冲宽度调变控制信号至所述背光模块，以控制所述背光模块提供的颜色背光的背光致能期间，其中，所述色序法控制器在第一子画框期间的背光期间控制所述青色背光和所述红色背光的脉冲宽度调变控制信号致能，并控制所述蓝色背光和所述绿色背光的脉冲宽度调变控制信号失能；且所述色序法控制器在第二子画框期间的背光期间控制所述青色背光和所述红色背光的脉冲宽度调变控制信号失能，并控制所述蓝色背光和所述绿色背光的脉冲宽度调变控制信号致能；或者，所述色序法控制器在第一子画框期间的背光期间控制所述青色背光和所述绿色背光的脉冲宽度调变控制信号致能，并控制所述蓝色背光和所述红色背光的脉冲宽度调变控制信号失能；且所述色序法控制器在第二子画框期间的背光期间控制所述青色背光和所述绿色背光的脉冲宽度调变控制信号失能，并控制所述蓝色背光和所述红色背光的脉冲宽度调变控制信号致能；或者，所述色序法控制器在第一子画框期间的背光期间控制所述蓝色背光和所述绿色背光的脉冲宽度调变控制信号致能，并控制所述青色背光和所述红色背光的脉冲宽度调变控制信号失能；且所述色序法控制器在第二子画框期间的背光期间控制所述蓝色背光和所述绿色背光的脉冲宽度调变控制信号失能，并控制所述青色背光和所述红色背光的脉冲宽度调变控制信号致能；或者，所述色序法控制器在第一子画框期间的背光期间控制所述蓝色背光和所述红色背光的脉冲宽度调变控制信号致能，并控制所述青色背光和所述绿色背光的脉冲宽 度调变控制信号失能；且所述色序法控制器在第二子画框期间的背光期间控制所述蓝色背光和所述红色背光的脉冲宽度调变控制信号失能，并控制所述青色背光和所述绿色背光的脉冲宽度调变控制信号致能。
进一步地，所述第一彩色子像素的彩色滤光片为青色子像素的彩色滤光片，所述第二彩色子像素的彩色滤光片为黄色子像素的彩色滤光片，其中，所述背光模块在第一子画框期间的背光期间提供所述红色背光和所述青色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过红光；且所述背光模块在第二子画框期间的背光期间提供所述蓝色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过绿光；或者，所述背光模块在第一子画框期间的背光期间提供所述青色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过绿光；且所述背光模块在第二子画框期间的背光期间提供所述蓝色背光和所述红色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过红光；或者，所述背光模块在第一子画框期间的背光期间提供所述蓝色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过绿光；且所述背光模块在第二子画框期间的背光期间提供所述红色背光和所述青色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过红光；或者，所述背光模块在第一子画框期间的背光期间提供所述蓝色背光和所述红色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过红光；且所述背光模块在第二子画框期间的背光期间提供所述青色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过绿光。
进一步地，所述青色背光的右截止波长小于所述第二彩色子像素的彩色滤光片通过的光的左截止波长；所述绿色背光的左截止波长大于所述第一彩色子像素的彩色滤光片通过的光的右截止波长。
本发明的另一目的还在于提供一种场色序法液晶显示装置的驱动方法，其中，所述场色序法液晶显示装置包括液晶显示面板、背光模块，所述液晶显示面板包括第一彩色子像素的彩色滤光片和第二彩色子像素的彩色滤光片，且其色场周期依序包括第一子画框期间和第二子画框期间；所述背光模块在所述第一子画框期间的背光期间及所述第二子画框期间的背光期间提供背光源至所述液晶显示面板，所述背光源包括红色背光、青色背光、蓝色背光和绿色背光，其中，所述驱动方法包括：在所述第一子画框期间的背光期间，提供所述红色背光和所述青色背光至所述液晶显示面板；在所述第二子画框期间的背光期间，提供所述蓝色背光和所述绿色背光至所述液晶显示面板；或者，所述驱动方法包括：在所述第一子画框期间的背光期间，提供所述青色背光和所述绿色背光至所述液晶显示面板；在所述第二子画框期间的背光期间，提供所述蓝色背光和所述红色背光至所述液晶显示面板；或者，所述驱动方法包括：在所述第一子画框期间的背光期间，提供所述蓝色背光和 所述绿色背光至所述液晶显示面板；在所述第二子画框期间的背光期间，提供所述青色背光和所述红色背光至所述液晶显示面板；或者，所述驱动方法包括：在所述第一子画框期间的背光期间，提供所述蓝色背光和所述红色背光至所述液晶显示面板；在所述第二子画框期间的背光期间，提供所述蓝色背光和所述绿色背光至所述液晶显示面板。
进一步地，所述场色序法液晶显示装置还包括色序法控制器，其在所述第一子画框期间的背光期间之前及所述第一子画框期间的背光期间之前将各颜色影像数据提供至所述液晶显示面板，其中，所述驱动方法还包括：在所述第一子画框期间的背光期间之前，提供青色影像数据和红色影像数据至所述液晶显示面板；在所述第二子画框期间的背光期间之前，提供蓝色影像数据和绿色影像数据至所述液晶显示面板；或者，所述驱动方法还包括：在所述第一子画框期间的背光期间之前，提供青色影像数据和绿色影像数据至所述液晶显示面板；在所述第二子画框期间的背光期间之前，提供蓝色影像数据和红色影像数据至所述液晶显示面板；或者，所述驱动方法还包括：在所述第一子画框期间的背光期间之前，提供蓝色影像数据和绿色影像数据至所述液晶显示面板；在所述第二子画框期间的背光期间之前，提供青色影像数据和红色影像数据至所述液晶显示面板；或者，所述驱动方法还包括：在所述第一子画框期间的背光期间之前，提供蓝色影像数据和红色影像数据至所述液晶显示面板；在所述第二子画框期间的背光期间之前，提供蓝色影像数据和绿色影像数据至所述液晶显示面板；
进一步地，所述色序法控制器提供脉冲宽度调变控制信号至所述背光模块，以控制所述背光模块提供的颜色背光的背光致能期间，其中，所述驱动方法还包括：
在第一子画框期间的背光期间控制所述青色背光和所述红色背光的脉冲宽度调变控制信号致能，并控制所述蓝色背光和所述绿色背光的脉冲宽度调变控制信号失能；在第二子画框期间的背光期间控制所述青色背光和所述红色背光的脉冲宽度调变控制信号失能，并控制所述蓝色背光和所述绿色背光的脉冲宽度调变控制信号致能；或者，所述驱动方法还包括：在第一子画框期间的背光期间控制所述青色背光和所述绿色背光的脉冲宽度调变控制信号致能，并控制所述蓝色背光和所述红色背光的脉冲宽度调变控制信号失能；在第二子画框期间的背光期间控制所述青色背光和所述绿色背光的脉冲宽度调变控制信号失能，并控制所述蓝色背光和所述红色背光的脉冲宽度调变控制信号致能；或者，所述驱动方法还包括：在第一子画框期间的背光期间控制所述蓝色背光和所述绿色背光的脉冲宽度调变控制信号致能，并控制所述青色背光和所述红色背光的脉冲宽度调变控制信号失能；在第二子画框期间的背光期间控制所述蓝色背光和所述绿色背光的脉冲宽度调变控制信号失能，并控制所述青色背光和所述红色背光的脉冲宽度调变控制信号致能；或者，所述驱动方法还包括：在第一子画框期间的背光期间控制所述蓝色背光和所述红色背光的脉冲宽度调变控制信号致能，并控制所述青色背光和所述绿色背光的脉冲宽度调变控制信号失能；在第二子画框期间的背光期间控制所述蓝色背光和所述红色背光的脉冲宽度调变控制信号失能，并控制所述青色背光和所述绿色背光的脉冲宽度调变控制信号致能。
进一步地，所述第一彩色子像素的彩色滤光片为青色子像素的彩色滤光片，所述第二彩色子像素的彩色滤光片为黄色子像素的彩色滤光片，其中，所述驱动方法还包括：在第一子画框期间的背光期间提供所述红色背光和所述青色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过红光；在第二子画框期间的背光期间提供所述蓝色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过绿光；或者，所述驱动方法还包括：在第一子画框期间的背光期间提供所述青色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过绿光；在第二子画框期间的背光期间提供所述蓝色背光和所述红色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过红光；或者，所述驱动方法还包括：在第一子画框期间的背光期间提供所述蓝色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过绿光；在第二子画框期间的背光期间提供所述红色背光和所述青色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过红光；或者，所述驱动方法还包括：在第一子画框期间的背光期间提供所述蓝色背光和所述红色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过红光；在第二子画框期间的背光期间提供所述青色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过绿光。
进一步地，所述青色背光的右截止波长小于所述第二彩色子像素的彩色滤光片通过的光的左截止波长；所述绿色背光的左截止波长大于所述第一彩色子像素的彩色滤光片通过的光的右截止波长。
本发明的场色序法液晶显示装置显示的画面能够完全覆盖自然界的所有物体色，且只需两个彩色子像素的彩色滤光片即可实现四基色(红绿蓝青)显示，而且无需增加额外的次像素，减少了液晶显示面板的彩色滤光片的制程工序，降低成本。此外，本发明的场色序法液晶显示装置与相同解析度的三基色(RGB)子像素的液晶显示装置相比，其开口率更大、穿透率更高。
附图说明
通过结合附图进行的以下描述，本发明的实施例的上述和其它方面、特点和优点将变得更加清楚，附图中：
图1是根据本发明的实施例的场色序法液晶显示装置的架构示意图；
图2是根据本发明的实施例的液晶显示面板的剖切示意图；
图3是根据本发明的实施例的场色序法液晶显示装置的驱动波形图；
图4是根据本发明的实施例的青色背光的光谱图；
图5是根据本发明的实施例的绿色背光的光谱图；
图6是根据本发明的实施例的第一彩色子像素的彩色滤光片和第二彩色子像素的彩色滤光片的穿透光谱图；
图7是根据本发明的实施例的红色背光、青色背光、蓝色背光和绿色背光的光谱图以及第一彩色子像素的彩色滤光片、第二彩色子像素的彩色滤光片的穿透光谱图；
图8是根据本发明的另一实施例的场色序法液晶显示装置的驱动波形图；
图9是根据本发明的又一实施例的场色序法液晶显示装置的驱动波形图；
图10是根据本发明的又一实施例的场色序法液晶显示装置的驱动波形图。
具体实施方式
以下，将参照附图来详细描述本发明的实施例。然而，可以以许多不同的形式来实施本发明，并且本发明不应该被解释为限制于这里阐述的具体实施例。相反，提供这些实施例是为了解释本发明的原理及其实际应用，从而使本领域的其他技术人员能够理解本发明的各种实施例和适合于特定预期应用的各种修改。在附图中，相同的标号将始终被用于表示相同的元件。
图1是根据本发明的实施例的场色序法液晶显示装置的架构示意图。
参照图1，根据本发明的实施例的场色序法液晶显示装置包括液晶显示面板410、背光模块420、色序法控制器430。
以下，将对根据本发明的实施例的液晶显示面板410进行详细描述。图2是根据本发明的实施例的液晶显示面板的剖切示意图。
参照图2，液晶显示面板410进一步包括薄膜晶体管阵列基板411、彩色滤光片基板412及夹设在这两个基板之间的液晶层413。
具体而言，薄膜晶体管阵列基板411包括玻璃基板4111、设置在玻璃基板4111之上且阵列排布的薄膜晶体管4112以及设置在玻璃基板4111之下的第一偏光片4113。
与薄膜晶体管阵列基板411相对设置的彩色滤光片基板412包括透明基板4121、设置在透明基板4121与液晶层413之间的第一彩色子像素的彩色滤光片4122、第二彩色子像素的彩色滤光片4123以及设置在透明基板4121之上的第二偏光片4125。
第一彩色子像素的彩色滤光片4122和第二彩色子像素的彩色滤光片4123构成一显示像素。在本实施例中，所述彩色滤光片可为薄膜的塑料板或玻璃板。
液晶层413包括多个分隔设置的子像素区域4131，其中，每个子像素区域4131中填充液晶分子。第一彩色子像素的彩色滤光片4122和第二彩色子像素的彩色滤光片4123分别对应一个子像素区域4131。
以下，将对根据本发明的实施例的场色序法液晶显示装置的驱动方法(即驱动显示方法)进行详细描述。图3是根据本发明的实施例的场色序法液晶显示装置的驱动波形图。
一并参照图1至图3，在本实施例中，将液晶显示面板410的画框周期T依序分为第一子画框期间和第二子画框期间。由于在时间轴上，原本的画框率为60(画框/秒)(Frame per Second，fps)也就是说，大约每16.67毫秒液晶显示面板410显示一幅完整的彩色画面，因此，根据本发明的实施例的场序法显示装置，则需要把画框率提高至例如是120(画框/秒)，即每一张子画框以一百二十分之一秒＝8.33毫秒显示，由两张子画框才能组成一个完整的彩色画面。
在本实施例中，背光模块420提供背光源至液晶显示面板410，其中，背光源包括红色(R)背光、青色(C)背光、蓝色(B)背光及绿色(G)背光。为此，背光模块420可通过红色发光二极管(LED)产生红色背光，通过青色发光二极管产生青色背光，通过蓝色发光二极管产生蓝色背光，通过绿色发光二极管产生绿色背光。
色序法控制器430在第一子画框期间T1和第二子画框期间T2将第一彩色子像素的彩色滤光片4122及第二彩色子像素的彩色滤光片4123分别对应的子像素区域4131中控制液晶分子的光阀全部打开，其会在第一子画框期间T1提供背光之前、第二子画框期间T2提供背光之前依序写入各种颜色影像数据至液晶显示面板410。同时，色序法控制器120控制背光模块420在第一子画框期间T1、第二子画框期间T2中提供相应的颜色背光给液晶显示面板410，以使液晶显示面板410进行显示。
在本实施例中，第一彩色子像素的彩色滤光片4122为青色(C)子像素的彩色滤光片，第二彩色子像素的彩色滤光片4123为黄色(Y)子像素的彩色滤光片。
因此，背光模块420会在第一子画框期间T1的背光期间L1提供红色背光和青色背光，第一彩色子像素的彩色滤光片4122理想地通过青光，第二彩色子像素的彩色滤光片4123理想地通过红光，如此液晶显示面板410显示与红色背光和青色背光分别对应的影像数据，即青色影像数据和红色影像数据。背光模块420在第二子画框期间T2的背光期间L2提供蓝色背光和绿色背光，第一彩色子像素的彩色滤光片4122理想地通过蓝光，第二彩色子像素的彩色滤光片4123理想地通过绿光，如此液晶显示面板410显示与蓝色背光和绿色背光分别对应的影像数据，即蓝色影像数据和绿色影像数据。
背光模块420提供的各种颜色背光的背光致能期间可由色序法控制器430提供的对应的脉冲宽度调变(PWM)控制信号的有效周期(Duty Cycle)所控制。由于红色背光可由红色发光二极管产生，青色背光可由青色发光二极管产生，蓝色背光可由蓝色发光二极管产生，绿色背光可有绿色发光二极管产生，所以在第一子画框期间T1的背光期间L1，控制蓝色发光二极管和绿色发光二极管的PWM控制信号失能，而控制红色发光二极管和青色发光二极管的PWM控制信号致能；而在第二子画框期间T2的背光期间L2中，控制红色发光二极管和青色发光二极管的PWM控制信号失能，而控制蓝色发光二极管和绿色发光二极管的PWM控制信号致能。
图4是根据本发明的实施例的青色背光的光谱图。图5是根据本发明的实施例的绿色背光的光谱图。图6是根据本发明的实施例的第一彩色子像素的彩色滤光片和第二彩色子像素的彩色滤光片的穿透光谱图。图7是根据本发明的实施例的红色背光、青色背光、蓝色背光和绿色背光的光谱图以及第一彩色子像素的彩色滤光片、第二彩色子像素的彩色滤光片的穿透光谱图。
参照图4至图6，为了使透射短波光的第一彩色子像素的彩色滤光片4122能够得到较纯的蓝色光和青色光，降低绿色光的干涉；同时也为了使透射长波光的第二彩色子像素的彩色滤光片4123能够得到较纯的绿色光和红色光，降低青色光的干涉，在根据本发明的实施例中，青色背光的右截止波长λcRc小于第二彩色子像素的彩色滤光片4123通过的光的左截止波长λCF1Rc；绿色背光的左截止波长λGLc大于第一彩色子像素的彩色滤光片4122通过的光的右截止波长λCF2Lc。
此外，参照图7，根据本发明的实施例的场色序法液晶显示装置，其显示的画面能够完全覆盖自然界的所有物体色(Pointer’s Gamut)，且只需两个彩色子像素的彩色滤光片即可实现四基色(红绿蓝青)显示，而且无需增加额外的次像素，减少了液晶显示面板的彩色滤光片的制程工序，降低成本。此外，根据本发明的实施例的场色序法液晶显示装置与相同解析度的三基色(RGB)子像素的液晶显示装置相比，其开口率更大、穿透率更高。
作为本发明的另一实施方式，参照图8，背光模块420会在第一子画框期间T1的背光期间L1提供蓝色背光和绿色背光，第一彩色子像素的彩色滤光片4122理想地通过蓝光，第二彩色子像素的彩色滤光片4123理想地通过绿光，如此液晶显示面板410显示与蓝色背光和绿色背光分别对应的影像数据，即蓝色影像数据和绿色影像数据。背光模块420在第二子画框期间T2的背光期间L2提供红色背光和青色背光，第一彩色子像素的彩色滤光片4122理想地通过青光，第二彩色子像素的彩色滤光片4123理想地通过红光，如此液晶显示面板410显示与红色背光和青色背光分别对应的影像数据，即青色影像数据和红色影像数据。
背光模块420提供的各种颜色背光的背光致能期间可由色序法控制器430提供的对应的脉冲宽度调变(PWM)控制信号的有效周期(Duty Cycle)所控制。由于红色背光可由红 色发光二极管产生，青色背光可由青色发光二极管产生，蓝色背光可由蓝色发光二极管产生，绿色背光可有绿色发光二极管产生，所以在第一子画框期间T1的背光期间L1，控制蓝色发光二极管和绿色发光二极管的PWM控制信号致能，而控制红色发光二极管和青色发光二极管的PWM控制信号失能；而在第二子画框期间T2的背光期间L2中，控制红色发光二极管和青色发光二极管的PWM控制信号致能，而控制蓝色发光二极管和绿色发光二极管的PWM控制信号失能。
作为本发明的又一实施方式，参照图9，背光模块420会在第一子画框期间T1的背光期间L1提供青色背光和绿色背光，第一彩色子像素的彩色滤光片4122理想地通过青光，第二彩色子像素的彩色滤光片4123理想地通过绿光，如此液晶显示面板410显示与青色背光和绿色背光分别对应的影像数据，即青色影像数据和绿色影像数据。背光模块420在第二子画框期间T2的背光期间L2提供红色背光和蓝色背光，第一彩色子像素的彩色滤光片4122理想地通过蓝光，第二彩色子像素的彩色滤光片4123理想地通过红光，如此液晶显示面板410显示与红色背光和蓝色背光分别对应的影像数据，即蓝色影像数据和红色影像数据。
背光模块420提供的各种颜色背光的背光致能期间可由色序法控制器430提供的对应的脉冲宽度调变(PWM)控制信号的有效周期(Duty Cycle)所控制。由于红色背光可由红色发光二极管产生，青色背光可由青色发光二极管产生，蓝色背光可由蓝色发光二极管产生，绿色背光可有绿色发光二极管产生，所以在第一子画框期间T1的背光期间L1，控制青色发光二极管和绿色发光二极管的PWM控制信号致能，而控制红色发光二极管和蓝色发光二极管的PWM控制信号失能；而在第二子画框期间T2的背光期间L2中，控制绿色发光二极管和青色发光二极管的PWM控制信号失能，而控制蓝色发光二极管和红色发光二极管的PWM控制信号致能。
作为本发明的又一实施方式，参照图10，背光模块420在第一子画框期间T1的背光期间L1提供红色背光和蓝色背光，第一彩色子像素的彩色滤光片4122理想地通过蓝光，第二彩色子像素的彩色滤光片4123理想地通过红光，如此液晶显示面板410显示与红色背光和蓝色背光分别对应的影像数据，即蓝色影像数据和红色影像数据。背光模块420会在第二子画框期间T2的背光期间L2提供青色背光和绿色背光，第一彩色子像素的彩色滤光片4122理想地通过青光，第二彩色子像素的彩色滤光片4123理想地通过绿光，如此液晶显示面板410显示与青色背光和绿色背光分别对应的影像数据，即青色影像数据和绿色影像数据。
背光模块420提供的各种颜色背光的背光致能期间可由色序法控制器430提供的对应的脉冲宽度调变(PWM)控制信号的有效周期(Duty Cycle)所控制。由于红色背光可由红色发光二极管产生，青色背光可由青色发光二极管产生，蓝色背光可由蓝色发光二极管产生，绿色背光可有绿色发光二极管产生，所以在第一子画框期间T1的背光期间L1，控制绿色发光二极管和青色发光二极管的PWM控制信号失能，而控制蓝色发光二极管和红色发光二极管的PWM控制信号致能；而在第二子画框期间T2的背光期间L2中，控制绿色发光二极 管和青色发光二极管的PWM控制信号致能，而控制蓝色发光二极管和红色发光二极管的PWM控制信号失能。
虽然已经参照特定实施例示出并描述了本发明，但是本领域的技术人员将理解：在不脱离由权利要求及其等同物限定的本发明的精神和范围的情况下，可在此进行形式和细节上的各种变化。

Claims (18)

  1. 一种场色序法液晶显示装置，其中，包括：
    液晶显示面板，包括第一彩色子像素的彩色滤光片和第二彩色子像素的彩色滤光片，且其色场周期依序包括第一子画框期间和第二子画框期间；
    背光模块，用于提供背光源至所述液晶显示面板，其中，所述背光源包括红色背光、青色背光、蓝色背光和绿色背光；
    其中，所述背光模块在第一子画框期间的背光期间提供所述青色背光和所述红色背光，且所述背光模块在第二子画框期间的背光期间提供所述蓝色背光和所述绿色背光；
    或者，所述背光模块在第一子画框期间的背光期间提供所述青色背光和所述绿色背光，且所述背光模块在第二子画框期间的背光期间提供所述蓝色背光和所述红色背光；
    或者，所述背光模块在第一子画框期间的背光期间提供所述蓝色背光和所述绿色背光，且所述背光模块在第二子画框期间的背光期间提供所述青色背光和所述红色背光；
    或者，所述背光模块在第一子画框期间的背光期间提供所述蓝色背光和所述红色背光，且所述背光模块在第二子画框期间的背光期间提供所述青色背光和所述绿色背光。
  2. 根据权利要求1所述的场色序法液晶显示装置，其中，所述场色序法液晶显示装置还包括色序法控制器，
    其中，所述色序法控制器在第一子画框期间的背光期间之前将与所述青色背光和所述红色背光分别对应的颜色影像数据提供至所述液晶显示面板，且所述色序法控制器在第二子画框期间的背光期间之前将与所述蓝色背光和所述绿色背光分别对应的颜色影像数据提供至所述液晶显示面板；
    或者，所述色序法控制器在第一子画框期间的背光期间之前将与所述青色背光和所述绿色背光分别对应的颜色影像数据提供至所述液晶显示面板，且所述色序法控制器在第二子画框期间的背光期间之前将与所述蓝色背光和所述红色背光分别对应的颜色影像数据提供至所述液晶显示面板；
    或者，所述色序法控制器在第一子画框期间的背光期间之前将与所述蓝色背光和所述绿色背光分别对应的颜色影像数据提供至所述液晶显示面板，且所述色序法控制器在第二子画框期间的背光期间之前将与所述青色背光和所述红色背光分别对应的颜色影像数据提供至所述液晶显示面板；
    或者，所述色序法控制器在第一子画框期间的背光期间之前将与所述蓝色背光和所述红色背光分别对应的颜色影像数据提供至所述液晶显示面板，且所述色序法控制器在第二子画框期间的背光期间之前将与所述青色背光和所述绿色背光分别对应的颜色影像数据提供至所述液晶显示面板。
  3. 根据权利要求2所述的场色序法液晶显示装置，其中，所述色序法控制器提供脉冲宽度调变控制信号至所述背光模块，以控制所述背光模块提供的颜色背光的背光致能期间，
    其中，所述色序法控制器在第一子画框期间的背光期间控制所述青色背光和所述红色背光的脉冲宽度调变控制信号致能，并控制所述蓝色背光和所述绿色背光的脉冲宽度调变控制信号失能；且所述色序法控制器在第二子画框期间的背光期间控制所述青色背光和所述红色背光的脉冲宽度调变控制信号失能，并控制所述蓝色背光和所述绿色背光的脉冲宽度调变控制信号致能；
    或者，所述色序法控制器在第一子画框期间的背光期间控制所述青色背光和所述绿色背光的脉冲宽度调变控制信号致能，并控制所述蓝色背光和所述红色背光的脉冲宽度调变控制信号失能；且所述色序法控制器在第二子画框期间的背光期间控制所述青色背光和所述绿色背光的脉冲宽度调变控制信号失能，并控制所述蓝色背光和所述红色背光的脉冲宽度调变控制信号致能；
    或者，所述色序法控制器在第一子画框期间的背光期间控制所述蓝色背光和所述绿色背光的脉冲宽度调变控制信号致能，并控制所述青色背光和所述红色背光的脉冲宽度调变控制信号失能；且所述色序法控制器在第二子画框期间的背光期间控制所述蓝色背光和所述绿色背光的脉冲宽度调变控制信号失能，并控制所述青色背光和所述红色背光的脉冲宽度调变控制信号致能；
    或者，所述色序法控制器在第一子画框期间的背光期间控制所述蓝色背光和所述红色背光的脉冲宽度调变控制信号致能，并控制所述青色背光和所述绿色背光的脉冲宽度调变控制信号失能；且所述色序法控制器在第二子画框期间的背光期间控制所述蓝色背光和所述红色背光的脉冲宽度调变控制信号失能，并控制所述青色背光和所述绿色背光的脉冲宽度调变控制信号致能。
  4. 根据权利要求1所述的场色序法液晶显示装置，其中，所述第一彩色子像素的彩色滤光片为青色子像素的彩色滤光片，所述第二彩色子像素的彩色滤光片为黄色子像素的彩色滤光片，
    其中，所述背光模块在第一子画框期间的背光期间提供所述红色背光和所述青色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过红光；且所述背光模块在第二子画框期间的背光期间提供所述蓝色背光和所述绿色背光， 以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过绿光；
    或者，所述背光模块在第一子画框期间的背光期间提供所述青色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过绿光；且所述背光模块在第二子画框期间的背光期间提供所述蓝色背光和所述红色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过红光；
    或者，所述背光模块在第一子画框期间的背光期间提供所述蓝色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过绿光；且所述背光模块在第二子画框期间的背光期间提供所述红色背光和所述青色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过红光；
    或者，所述背光模块在第一子画框期间的背光期间提供所述蓝色背光和所述红色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过红光；且所述背光模块在第二子画框期间的背光期间提供所述青色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过绿光。
  5. 根据权利要求2所述的场色序法液晶显示装置，其中，所述第一彩色子像素的彩色滤光片为青色子像素的彩色滤光片，所述第二彩色子像素的彩色滤光片为黄色子像素的彩色滤光片，
    其中，所述背光模块在第一子画框期间的背光期间提供所述红色背光和所述青色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过红光；且所述背光模块在第二子画框期间的背光期间提供所述蓝色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过绿光；
    或者，所述背光模块在第一子画框期间的背光期间提供所述青色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过绿光；且所述背光模块在第二子画框期间的背光期间提供所述蓝色背光和所述红色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过红光；
    或者，所述背光模块在第一子画框期间的背光期间提供所述蓝色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过 绿光；且所述背光模块在第二子画框期间的背光期间提供所述红色背光和所述青色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过红光；
    或者，所述背光模块在第一子画框期间的背光期间提供所述蓝色背光和所述红色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过红光；且所述背光模块在第二子画框期间的背光期间提供所述青色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过绿光。
  6. 根据权利要求3所述的场色序法液晶显示装置，其中，所述第一彩色子像素的彩色滤光片为青色子像素的彩色滤光片，所述第二彩色子像素的彩色滤光片为黄色子像素的彩色滤光片，
    其中，所述背光模块在第一子画框期间的背光期间提供所述红色背光和所述青色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过红光；且所述背光模块在第二子画框期间的背光期间提供所述蓝色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过绿光；
    或者，所述背光模块在第一子画框期间的背光期间提供所述青色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过绿光；且所述背光模块在第二子画框期间的背光期间提供所述蓝色背光和所述红色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过红光；
    或者，所述背光模块在第一子画框期间的背光期间提供所述蓝色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过绿光；且所述背光模块在第二子画框期间的背光期间提供所述红色背光和所述青色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过红光；
    或者，所述背光模块在第一子画框期间的背光期间提供所述蓝色背光和所述红色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过红光；且所述背光模块在第二子画框期间的背光期间提供所述青色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过绿光。
  7. 根据权利要求4所述的场色序法液晶显示装置，其中，所述青色背光的右截止波长 小于所述第二彩色子像素的彩色滤光片通过的光的左截止波长；所述绿色背光的左截止波长大于所述第一彩色子像素的彩色滤光片通过的光的右截止波长。
  8. 根据权利要求5所述的场色序法液晶显示装置，其中，所述青色背光的右截止波长小于所述第二彩色子像素的彩色滤光片通过的光的左截止波长；所述绿色背光的左截止波长大于所述第一彩色子像素的彩色滤光片通过的光的右截止波长。
  9. 根据权利要求6所述的场色序法液晶显示装置，其中，所述青色背光的右截止波长小于所述第二彩色子像素的彩色滤光片通过的光的左截止波长；所述绿色背光的左截止波长大于所述第一彩色子像素的彩色滤光片通过的光的右截止波长。
  10. 一种场色序法液晶显示装置的驱动方法，其中，所述场色序法液晶显示装置包括液晶显示面板、背光模块，
    所述液晶显示面板包括第一彩色子像素的彩色滤光片和第二彩色子像素的彩色滤光片，且其色场周期依序包括第一子画框期间和第二子画框期间；
    所述背光模块在所述第一子画框期间的背光期间及所述第二子画框期间的背光期间提供背光源至所述液晶显示面板，所述背光源包括红色背光、青色背光、蓝色背光和绿色背光，
    其中，所述驱动方法包括：
    在所述第一子画框期间的背光期间，提供所述红色背光和所述青色背光至所述液晶显示面板；
    在所述第二子画框期间的背光期间，提供所述蓝色背光和所述绿色背光至所述液晶显示面板；
    或者，所述驱动方法包括：
    在所述第一子画框期间的背光期间，提供所述青色背光和所述绿色背光至所述液晶显示面板；
    在所述第二子画框期间的背光期间，提供所述蓝色背光和所述红色背光至所述液晶显示面板；
    或者，所述驱动方法包括：
    在所述第一子画框期间的背光期间，提供所述蓝色背光和所述绿色背光至所述液晶显示面板；
    在所述第二子画框期间的背光期间，提供所述青色背光和所述红色背光至所述液晶显示面板；
    或者，所述驱动方法包括：
    在所述第一子画框期间的背光期间，提供所述蓝色背光和所述红色背光至所述液晶显示面板；
    在所述第二子画框期间的背光期间，提供所述蓝色背光和所述绿色背光至所述液晶显示面板。
  11. 根据权利要求10所述的驱动方法，其中，所述场色序法液晶显示装置还包括色序法控制器，其在所述第一子画框期间的背光期间之前及所述第一子画框期间的背光期间之前将各颜色影像数据提供至所述液晶显示面板，
    其中，所述驱动方法还包括：
    在所述第一子画框期间的背光期间之前，提供青色影像数据和红色影像数据至所述液晶显示面板；
    在所述第二子画框期间的背光期间之前，提供蓝色影像数据和绿色影像数据至所述液晶显示面板；
    或者，所述驱动方法还包括：
    在所述第一子画框期间的背光期间之前，提供青色影像数据和绿色影像数据至所述液晶显示面板；
    在所述第二子画框期间的背光期间之前，提供蓝色影像数据和红色影像数据至所述液晶显示面板；
    或者，所述驱动方法还包括：
    在所述第一子画框期间的背光期间之前，提供蓝色影像数据和绿色影像数据至所述液晶显示面板；
    在所述第二子画框期间的背光期间之前，提供青色影像数据和红色影像数据至所述液晶显示面板；
    或者，所述驱动方法还包括：
    在所述第一子画框期间的背光期间之前，提供蓝色影像数据和红色影像数据至所述液晶显示面板；
    在所述第二子画框期间的背光期间之前，提供蓝色影像数据和绿色影像数据至所述液晶显示面板；
  12. 根据权利要求11所述的驱动方法，其中，所述色序法控制器提供脉冲宽度调变控制信号至所述背光模块，以控制所述背光模块提供的颜色背光的背光致能期间，
    其中，所述驱动方法还包括：
    在第一子画框期间的背光期间控制所述青色背光和所述红色背光的脉冲宽度调变控制信号致能，并控制所述蓝色背光和所述绿色背光的脉冲宽度调变控制信号失能；
    在第二子画框期间的背光期间控制所述青色背光和所述红色背光的脉冲宽度调变控制信号失能，并控制所述蓝色背光和所述绿色背光的脉冲宽度调变控制信号致能；
    或者，所述驱动方法还包括：
    在第一子画框期间的背光期间控制所述青色背光和所述绿色背光的脉冲宽度调变控制信号致能，并控制所述蓝色背光和所述红色背光的脉冲宽度调变控制信号失能；
    在第二子画框期间的背光期间控制所述青色背光和所述绿色背光的脉冲宽度调变控制信号失能，并控制所述蓝色背光和所述红色背光的脉冲宽度调变控制信号致能；
    或者，所述驱动方法还包括：
    在第一子画框期间的背光期间控制所述蓝色背光和所述绿色背光的脉冲宽度调变控制信号致能，并控制所述青色背光和所述红色背光的脉冲宽度调变控制信号失能；
    在第二子画框期间的背光期间控制所述蓝色背光和所述绿色背光的脉冲宽度调变控制信号失能，并控制所述青色背光和所述红色背光的脉冲宽度调变控制信号致能；
    或者，所述驱动方法还包括：
    在第一子画框期间的背光期间控制所述蓝色背光和所述红色背光的脉冲宽度调变控制信号致能，并控制所述青色背光和所述绿色背光的脉冲宽度调变控制信号失能；
    在第二子画框期间的背光期间控制所述蓝色背光和所述红色背光的脉冲宽度调变控制信号失能，并控制所述青色背光和所述绿色背光的脉冲宽度调变控制信号致能。
  13. 根据权利要求10所述的驱动方法，其中，所述第一彩色子像素的彩色滤光片为青色子像素的彩色滤光片，所述第二彩色子像素的彩色滤光片为黄色子像素的彩色滤光片，
    其中，所述驱动方法还包括：
    在第一子画框期间的背光期间提供所述红色背光和所述青色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过红光；
    在第二子画框期间的背光期间提供所述蓝色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过绿光；
    或者，所述驱动方法还包括：
    在第一子画框期间的背光期间提供所述青色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过绿光；
    在第二子画框期间的背光期间提供所述蓝色背光和所述红色背光，以使所述第一彩色 子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过红光；
    或者，所述驱动方法还包括：
    在第一子画框期间的背光期间提供所述蓝色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过绿光；
    在第二子画框期间的背光期间提供所述红色背光和所述青色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过红光；
    或者，所述驱动方法还包括：
    在第一子画框期间的背光期间提供所述蓝色背光和所述红色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过红光；
    在第二子画框期间的背光期间提供所述青色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过绿光。
  14. 根据权利要求11所述的驱动方法，其中，所述第一彩色子像素的彩色滤光片为青色子像素的彩色滤光片，所述第二彩色子像素的彩色滤光片为黄色子像素的彩色滤光片，
    其中，所述驱动方法还包括：
    在第一子画框期间的背光期间提供所述红色背光和所述青色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过红光；
    在第二子画框期间的背光期间提供所述蓝色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过绿光；
    或者，所述驱动方法还包括：
    在第一子画框期间的背光期间提供所述青色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过绿光；
    在第二子画框期间的背光期间提供所述蓝色背光和所述红色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过红光；
    或者，所述驱动方法还包括：
    在第一子画框期间的背光期间提供所述蓝色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过绿光；
    在第二子画框期间的背光期间提供所述红色背光和所述青色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过红光；
    或者，所述驱动方法还包括：
    在第一子画框期间的背光期间提供所述蓝色背光和所述红色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过红光；
    在第二子画框期间的背光期间提供所述青色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过绿光。
  15. 根据权利要求12所述的驱动方法，其中，所述第一彩色子像素的彩色滤光片为青色子像素的彩色滤光片，所述第二彩色子像素的彩色滤光片为黄色子像素的彩色滤光片，
    其中，所述驱动方法还包括：
    在第一子画框期间的背光期间提供所述红色背光和所述青色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过红光；
    在第二子画框期间的背光期间提供所述蓝色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过绿光；
    或者，所述驱动方法还包括：
    在第一子画框期间的背光期间提供所述青色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过绿光；
    在第二子画框期间的背光期间提供所述蓝色背光和所述红色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过红光；
    或者，所述驱动方法还包括：
    在第一子画框期间的背光期间提供所述蓝色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过绿光；
    在第二子画框期间的背光期间提供所述红色背光和所述青色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过红光；
    或者，所述驱动方法还包括：
    在第一子画框期间的背光期间提供所述蓝色背光和所述红色背光，以使所述第一彩色子像素的彩色滤光片通过蓝光，所述第二彩色子像素的彩色滤光片通过红光；
    在第二子画框期间的背光期间提供所述青色背光和所述绿色背光，以使所述第一彩色子像素的彩色滤光片通过青光，所述第二彩色子像素的彩色滤光片通过绿光。
  16. 根据权利要求13所述的驱动方法，其中，所述青色背光的右截止波长小于所述第二彩色子像素的彩色滤光片通过的光的左截止波长；所述绿色背光的左截止波长大于所述第一彩色子像素的彩色滤光片通过的光的右截止波长。
  17. 根据权利要求14所述的驱动方法，其中，所述青色背光的右截止波长小于所述第二彩色子像素的彩色滤光片通过的光的左截止波长；所述绿色背光的左截止波长大于所述第一彩色子像素的彩色滤光片通过的光的右截止波长。
  18. 根据权利要求15所述的驱动方法，其中，所述青色背光的右截止波长小于所述第二彩色子像素的彩色滤光片通过的光的左截止波长；所述绿色背光的左截止波长大于所述第一彩色子像素的彩色滤光片通过的光的右截止波长。
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