WO2013056465A1 - 用于三维电视的液晶面板以及快门眼镜 - Google Patents

用于三维电视的液晶面板以及快门眼镜 Download PDF

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Publication number
WO2013056465A1
WO2013056465A1 PCT/CN2011/081104 CN2011081104W WO2013056465A1 WO 2013056465 A1 WO2013056465 A1 WO 2013056465A1 CN 2011081104 W CN2011081104 W CN 2011081104W WO 2013056465 A1 WO2013056465 A1 WO 2013056465A1
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Prior art keywords
eye picture
signal
picture signal
signal strength
output gradation
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Ceased
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PCT/CN2011/081104
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English (en)
French (fr)
Inventor
侯鸿龙
贺成明
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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Priority to US13/375,431 priority Critical patent/US20130093863A1/en
Publication of WO2013056465A1 publication Critical patent/WO2013056465A1/zh
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
    • H04N13/341—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using temporal multiplexing
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
    • G02B30/24—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type involving temporal multiplexing, e.g. using sequentially activated left and right shutters

Definitions

  • the present invention relates to the field of liquid crystal display, and more particularly to a liquid crystal panel for three-dimensional television and shutter glasses which can increase display brightness.
  • 3D TV is slowly gaining popularity in society.
  • the mainstream 3D display technology is active shutter glasses technology.
  • the display principle is as shown in FIG. 1. Using the combination of the liquid crystal panel signal and the shutter glasses, the left eye picture signal 1 enters the left eye, and the right eye picture signal 2 enters the right eye, thereby combining the body image in the brain.
  • Each pixel is divided into four zones (by 1/4 gate, 2/4 gate, 3/4 gate and last gate control respectively), and each frame is superimposed and displayed by four picture signals in sequence.
  • the specific operation process is as follows:
  • the gate scans the 1/4 gate, the 2/4 gate, the 3/4 gate, and the last gate from top to bottom.
  • a gate for example, 1/4 gate
  • the reaction time T1 causes the liquid crystal molecules to rotate into position, avoiding errors in brightness.
  • the backlight of the pixel corresponding to the 1/4 gate can be turned on or off during the time T2.
  • Other partitions work the same way.
  • the left eye switch of the shutter glass switch When the left eye picture signal 1 is displayed on the liquid crystal panel, the left eye switch of the shutter glass switch is turned on before the backlight of the first area is turned on, and the backlight of the fourth area is turned off after being turned off; when the right eye picture signal 2 is displayed on the liquid crystal panel, the shutter glass switch is closed.
  • the right eye switch is turned on before the first area backlight is turned on, and the fourth area backlight is turned off and then turned off; when the liquid crystal panel displays the blackboard signal 4, the backlight of each area is turned off, and the left and right eye switches of the shutter glass switch are also turned off.
  • the opening time of the shutter glass switch and the backlight opening time of the liquid crystal panel are both short, which is likely to cause insufficient display brightness of the liquid crystal panel.
  • An object of the present invention is to provide a liquid crystal panel for three-dimensional television and shutter glasses that can increase display brightness, to solve the opening time of the shutter glasses and the backlight opening time of the liquid crystal panel when viewing the 3D image in the prior art three-dimensional television. It is very short and causes technical problems of insufficient brightness of the LCD panel.
  • the present invention relates to a liquid crystal panel for a three-dimensional television, which is sequentially passed through a left-eye picture signal for left-eye viewing, a first picture signal, a right-eye picture signal for right-eye viewing, and a second picture signal.
  • the first picture signal is a left and right eye picture signal for simultaneous viewing by the left and right eyes
  • the second picture signal is a blackboard signal
  • the output gray signal strength of the left eye picture signal is less than An output gradation signal strength of the left and right eye picture signals, an output gradation signal strength of the left and right eye picture signals being less than an output gradation signal strength of the right eye picture signal; or an output gradation signal of the left eye picture signal
  • the intensity is greater than the output gray signal strength of the left and right eye picture signals, and the output gray signal strength of the left and right eye picture signals is greater than the output gray signal strength of the right eye picture signal;
  • the actual gray of the left eye picture signal The degree of signal strength is determined by the corresponding backlight of the left-eye picture signal and the output gradation signal strength of the left-eye picture signal, the right eye picture
  • the actual gradation signal strength of the signal is determined by the corresponding backlight of the right-eye picture signal and the output gradation signal strength of the right-
  • the present invention relates to a liquid crystal panel for a three-dimensional television, which is sequentially passed through a left-eye picture signal for left-eye viewing, a first picture signal, a right-eye picture signal for right-eye viewing, and a second picture signal.
  • Each frame of the frame is superimposed, wherein the first picture signal is a left and right eye picture signal for simultaneous viewing by the left and right eyes, and the second picture signal is a blackboard signal.
  • the output gradation signal intensity of the left and right eye picture signals is smaller than the output gradation signal strength of the left eye picture signal, and the output gray of the left and right eye picture signals is grayed out.
  • the degree signal strength is less than the output gray signal strength of the right eye picture signal.
  • the output gradation signal intensity of the left and right eye picture signals is smaller than the output gradation signal strength of the left eye picture signal, and the output gray of the left and right eye picture signals is grayed out.
  • the signal strength is equal to the output gray signal strength of the right eye picture signal; or the output gray signal strength of the left and right eye picture signals is less than the output gray signal strength of the right eye picture signal, the left and right eye picture signals
  • the output gray signal strength is equal to the output gray signal strength of the left eye picture signal.
  • the output gradation signal intensity of the left-eye picture signal is smaller than the output gradation signal strength of the left and right eye picture signals, and the output gray of the left and right eye picture signals is grayed out.
  • the signal strength is less than the output gray signal strength of the right eye picture signal; or the output gray signal strength of the left eye picture signal is greater than the output gray signal strength of the left and right eye picture signals, the left and right eye picture signals
  • the output gray signal strength is greater than the output gray signal strength of the right eye picture signal.
  • the actual gradation signal strength of the left-eye picture signal is the output gradation signal strength of the corresponding backlight of the left-eye picture signal and the left-eye picture signal. Determining that an actual gradation signal strength of the right-eye picture signal is determined by a corresponding backlight of the right-eye picture signal and an output gradation signal strength of the right-eye picture signal, and an actual gradation signal of the left and right eye picture signals The intensity is determined by the respective backlights of the left and right eye picture signals and the output gray signal strengths of the left and right eye picture signals.
  • the present invention also relates to a shutter glasses for a three-dimensional television including a left-eye switch for controlling left-eye picture signal input and a right-eye switch for right-eye picture signal input, which is used for left-eye viewing
  • the left eye picture signal, the first picture signal, the right eye picture signal for right eye viewing, and the second picture signal are sequentially superimposed to display each frame picture, wherein the first picture signal is for left and right eyes for simultaneous viewing of left and right eyes a picture signal, the second picture signal is a blackboard signal; when the shutter glasses display left and right eye picture signals, the left eye switch and the right eye switch are both open; when the shutter glasses display the blackboard signal The left eye switch and the right eye switch are both closed.
  • the output gradation signal intensity of the left and right eye picture signals is smaller than the output gradation signal strength of the left eye picture signal, and the output gray of the left and right eye picture signals is grayed out.
  • the degree signal strength is less than the output gray signal strength of the right eye picture signal.
  • the output gradation signal intensity of the left and right eye picture signals is smaller than the output gradation signal strength of the left eye picture signal, and the output gray of the left and right eye picture signals is grayed out.
  • the signal strength is equal to the output gray signal strength of the right eye picture signal; or the output gray signal strength of the left and right eye picture signals is less than the output gray signal strength of the right eye picture signal, the left and right eye picture signals
  • the output gray signal strength is equal to the output gray signal strength of the left eye picture signal.
  • the output gradation signal intensity of the left-eye picture signal is smaller than the output gradation signal strength of the left and right eye picture signals, and the output gray of the left and right eye picture signals is grayed out.
  • the signal strength is less than the output gray signal strength of the right eye picture signal; or the output gray signal strength of the left eye picture signal is greater than the output gray signal strength of the left and right eye picture signals, the left and right eye picture signals
  • the output gray signal strength is greater than the output gray signal strength of the right eye picture signal.
  • the actual gradation signal strength of the left-eye picture signal is the output gradation signal strength of the corresponding backlight of the left-eye picture signal and the left-eye picture signal. Determining that an actual gradation signal strength of the right-eye picture signal is determined by a corresponding backlight of the right-eye picture signal and an output gradation signal strength of the right-eye picture signal, and an actual gradation signal of the left and right eye picture signals The intensity is determined by the respective backlights of the left and right eye picture signals and the output gray signal strengths of the left and right eye picture signals.
  • the liquid crystal panel and the shutter glasses for three-dimensional television according to the present invention can increase the display brightness of the three-dimensional television, and prevent the existing three-dimensional television from viewing the 3D image because the opening time of the shutter glasses and the backlight opening time of the liquid crystal panel are short. A defect that causes the LCD panel to show insufficient brightness.
  • FIG. 1 is a schematic diagram of the operation of a liquid crystal panel and shutter glasses for a three-dimensional television in the prior art
  • FIG. 2 is a schematic view showing the operation of a preferred embodiment of a liquid crystal panel and shutter glasses for a three-dimensional television according to the present invention
  • FIG. 3 is a comparison diagram of output gray signal strengths of respective signals of the prior art and the preferred embodiments of the liquid crystal panel and shutter glasses for three-dimensional television of the present invention.
  • the present invention relates to a liquid crystal panel for a three-dimensional television, which passes a left eye picture signal for left eye viewing, a first picture signal, a right eye picture signal 2 for right eye viewing, and a second picture
  • the signals are sequentially superimposed and displayed on each frame.
  • the first picture signal and the second picture signal in the prior art are both the blackboard signal 4.
  • the first picture signal in the liquid crystal panel of the present invention is a left and right eye picture signal for simultaneous viewing by the left and right eyes. 3.
  • the second picture signal is a blackboard signal.
  • the left eye switch and the right eye switch of the corresponding shutter glasses are both turned on; and when the output gray signal of the left and right eye picture signals 3 is displayed, the left and right eye images are displayed.
  • the corresponding backlight of signal 3 is also turned on. Therefore, compared with the existing three-dimensional television, the opening time of the shutter glasses and the backlight opening time of the liquid crystal panel are increased, which makes up for the defect that the display brightness of the existing liquid crystal panel is insufficient.
  • FIG. 2 is a working principle diagram of a preferred embodiment of a liquid crystal panel and shutter glasses for a three-dimensional television according to the present invention, wherein The output gray signal intensity of the left and right eye picture signals 3 is smaller than the output gray signal strength of the left eye picture signal 1, and the output gray signal strength of the left and right eye picture signals 3 is also smaller than the output gray level signal of the right eye picture signal 2 strength.
  • the actual gradation signal strength of each signal (the gradation signal intensity viewed by the user through the shutter glasses) is equal to the output gradation signal strength (the output of the liquid crystal panel is not Consider the grayscale signal strength of the backlight). Due to the presence of the left and right eye picture signals 3, the output gradation signal strength of the left eye picture signal 1 can be reduced, and the output gradation signal intensity of the right eye picture signal 2 can also be reduced at the same time, so that the gray scale conversion of the liquid crystal molecules is performed.
  • the gap is also reduced, and the reaction time T1 of the liquid crystal rotation when the left-eye picture signal 1 is switched with the left-eye picture signal 3 and when the left-eye picture signal 3 and the right-eye picture signal 2 are switched can be reduced, thereby increasing the corresponding backlight on.
  • Time T2 further increases the display brightness of the three-dimensional television.
  • the increased output gradation signal strength of the left and right eye picture signals 3 is smaller than the output gradation signal strength of the right eye picture signal 2, and the left and right eye picture signals 3
  • the output gray signal strength is equal to the output gray signal strength of the left eye picture signal 1.
  • the output gradation signal intensity of the left-eye picture signal 1 is smaller than the output gradation signal strength of the right-eye picture signal 2
  • the output gradation signal strength of the left and right eye picture signals 3 can be made equal to the output gradation signal of the left-eye picture signal 1.
  • the intensity is as shown in FIG. 3 ( FIG.
  • the output gradation signal intensity of the left-eye picture signal 1 is reduced from 64 steps to 46 steps, and the output gradation signal strength of the left and right eye picture signals 3 is also 46 steps, and the output gradation signal strength of the right-eye picture signal 2 is
  • the 224th order is reduced to 220 steps (the brightness of the gray signal of the 46th order is half of the gray level signal of the 64th order, and the brightness of the gray level signal of the 220th order is the brightness of the gray signal of the 224th order minus the gray level signal of the 46th order Brightness).
  • the liquid crystal molecules do not need to perform gray-scale conversion, and the reaction time T1 of the liquid crystal rotation can be minimized, thereby increasing the corresponding backlight opening time T2, in the first
  • the display brightness of the three-dimensional television is further increased on the basis of the preferred embodiment.
  • the output gradation signal intensity of the right-eye picture signal 2 is smaller than the output gradation signal strength of the left-eye picture signal 1
  • the output gradation signal intensity of the left and right eye picture signals 3 can be made equal to the output gradation of the right-eye picture signal 2.
  • the principle is the same as above, so that when the left and right eye picture signals 3 and the right eye picture signal 2 are switched, the liquid crystal molecules do not need to perform gray scale conversion, and the reaction time T1 of the liquid crystal rotation can be minimized, thereby increasing the corresponding backlight opening time T2.
  • the display brightness of the three-dimensional television is further increased on the basis of the first preferred embodiment.
  • the increased output gradation signal intensity of the left and right eye picture signals 3 is greater than the output gradation signal intensity of the left eye picture signal 1, and the left and right eye picture signals 3
  • the output gray signal strength is smaller than the output gray signal strength of the right eye picture signal 2.
  • the output gradation signal strength of the left and right eye picture signals 3 can be made larger than the output gradation signal of the left-eye picture signal 1
  • the intensity is as shown in FIG. 3 ( FIG.
  • the output gradation signal intensity of the left-eye picture signal 1 is reduced from 64 steps to 0 steps, and the output gradation signal intensity of the left and right eye picture signals 3 is changed from 0 steps to 64 steps, and the output gradation of the right eye picture signal 2 is The signal strength is reduced from 224 steps to 215 steps (the brightness of the gradation signal of the 215th order is the brightness of the gradation signal of the 224th order minus the brightness of the gray level signal of the 64th order).
  • the gray scale conversion by the liquid crystal molecules can be reduced (the output gray signal intensity of the left eye picture signal 1 is reduced to the 0th order minimum), and the liquid crystal is rotated.
  • the reaction time T1 can be reduced, so that the corresponding backlight on time T2 can be increased, and the display brightness of the three-dimensional television is further increased on the basis of the first preferred embodiment.
  • the output gradation signal intensity of the right-eye picture signal 2 is smaller than the output gradation signal strength of the left-eye picture signal 1
  • the output gradation signal intensity of the left and right eye picture signals 3 can be made larger than the output gradation of the right-eye picture signal 2.
  • the principle is the same as above, so that when the left and right eye picture signals 3 and the left and right picture signals are switched, the gray scale conversion by the liquid crystal molecules can be reduced (the output gray signal intensity of the right eye picture signal 2 is reduced to the 0th order minimum), and the liquid crystal The reaction time T1 of the rotation can be reduced, so that the corresponding backlight opening time T2 can be increased, and the display brightness of the three-dimensional television is further increased on the basis of the first preferred embodiment.
  • the actual gradation signal intensity of the left-eye picture signal 1 is output gray signal by the corresponding backlight of the left-eye picture signal 1 and the left-eye picture signal 1
  • the intensity is determined
  • the actual gradation signal intensity of the right-eye picture signal 2 is determined by the output gradation signal strength of the corresponding backlight of the right-eye picture signal 2 and the right-eye picture signal 2
  • the actual gradation signal strength of the left and right eye picture signals 3 is determined by The respective backlights of the eye picture signal 3 and the output gray signal strengths of the left and right eye picture signals 3 are determined.
  • the output gradation signal intensity of the left-eye picture signal 1 is reduced from 64 steps to 0 steps, and the output gradation signal strength of the left and right eye picture signals 3 is changed from 0 steps to 46 steps, and the output gradation signal strength of the right-eye picture signal 2 is It is reduced from 224 steps to 215 steps (the brightness of the gradation signal of the 215th order is the brightness of the gradation signal of the 224th order minus the brightness of the 64th order gradation signal).
  • the corresponding backlight brightness of the left and right eye picture signals 3 is increased.
  • the backlight brightness of the left and right eye picture signals 3 is doubled, so that the left and right eye picture signals 3 are
  • the actual gray signal strength is 64 steps.
  • the reaction time T1 of the liquid crystal rotation when the left eye picture signal 1 and the left and right eye picture signals 3 are switched and the left and right eye picture signals 3 and the right eye picture signal 2 are switched can be reduced, so that the corresponding backlight on time T2 can be increased. , further increase the display brightness of the three-dimensional television.
  • the present invention also relates to a shutter glasses for a three-dimensional television comprising a left-eye switch for controlling left-eye picture signal 1 input and a right-eye switch for right-eye picture signal 2 input, said shutter glasses being used for left
  • the left-eye picture signal 1, the first picture signal, the right-eye picture signal 2 for right-eye viewing, and the second picture signal are sequentially superimposed and displayed on each frame, wherein the first picture signal is for simultaneous viewing of the left and right eyes.
  • the left and right eye picture signals 3, the second picture signal is a blackboard signal; when the shutter glasses display the left and right eye picture signals 3, the left eye switch and the right eye switch are both turned on; when the shutter glasses display the blackboard signal, the left eye switch Both the right eye switch and the right eye switch are turned off.
  • the first picture signal in the shutter glasses of the present invention is a left and right eye picture signal 3 for simultaneous viewing by the left and right eyes
  • the second picture signal is a blackboard signal.
  • the output gradation signal intensity of the left and right eye picture signals 3 is smaller than the output gradation signal strength of the left eye picture signal 1, and the output gray of the left and right eye picture signals 3 The degree signal strength is less than the output gray signal strength of the right eye picture signal 2.
  • the specific embodiment and the beneficial effects of the shutter glasses for three-dimensional television of the present invention are the same as or similar to the above-mentioned first preferred embodiment of the liquid crystal panel for three-dimensional television. For details, please refer to the specific implementation of the liquid crystal panel for three-dimensional television. example.
  • the output gradation signal intensity of the left and right eye picture signals 3 is smaller than the output gradation signal strength of the left eye picture signal 1, and the output gray of the left and right eye picture signals 3
  • the signal strength is equal to the output gray signal strength of the right eye picture signal 2; or the output gray signal strength of the left and right eye picture signals 3 is less than the output gray signal strength of the right eye picture signal 2, and the output gray level of the left and right eye picture signals 3
  • the signal strength is equal to the output gray signal strength of the left-eye picture signal 1.
  • the specific embodiment and the beneficial effects of the shutter glasses for three-dimensional television of the present invention are the same as or similar to the above-mentioned second preferred embodiment of the liquid crystal panel for three-dimensional television.
  • the output gradation signal intensity of the left-eye picture signal 1 is smaller than the output gradation signal strength of the left and right eye picture signals 3, and the output gray of the left and right eye picture signals 3
  • the signal strength is less than the output gray signal strength of the right eye picture signal 2; or the output gray signal strength of the left eye picture signal 1 is greater than the output gray signal strength of the left and right eye picture signals 3, and the output gray level of the left and right eye picture signals 3
  • the signal strength is greater than the output gray signal strength of the right eye picture signal 2.
  • the specific embodiment and the beneficial effects of the shutter glasses for three-dimensional television of the present invention are the same as or similar to the above-mentioned third preferred embodiment of the liquid crystal panel for three-dimensional television.
  • the actual gradation signal intensity of the left-eye picture signal 1 is output gray signal by the corresponding backlight of the left-eye picture signal 1 and the left-eye picture signal 1
  • the intensity is determined
  • the actual gradation signal intensity of the right-eye picture signal 2 is determined by the output gradation signal strength of the corresponding backlight of the right-eye picture signal 2 and the right-eye picture signal 2
  • the actual gradation signal strength of the left and right eye picture signals 3 is determined by The respective backlights of the eye picture signal 3 and the output gray signal strengths of the left and right eye picture signals 3 are determined.
  • the specific embodiment and the beneficial effects of the shutter glasses for three-dimensional television of the present invention are the same as or similar to the above-mentioned fourth preferred embodiment of the liquid crystal panel for three-dimensional television.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

一种用于三维电视的液晶面板和快门眼镜，通过用于左眼观看的左眼画面信号（1）、第一画面信号、用于右眼观看的右眼画面信号（2）以及第二画面信号依次叠加显示每帧画面。第一画面信号为用于左右眼同时观看的左右眼画面信号（3）。第二画面信号为黑板信号（4）。用于三维电视的液晶面板和快门眼镜可以增加三维电视的显示亮度。

Description

用于三维电视的液晶面板以及快门眼镜 技术领域
本发明涉及液晶显示领域，特别是涉及一种可以增加显示亮度的用于三维电视的液晶面板以及快门眼镜。
 背景技术
三维电视慢慢在社会中得到普及。其中主流的三维显示技术为主动式快门眼镜技术。其显示原理如图1所示，利用液晶面板信号与快门眼镜的搭配，使得左眼画面信号1进入左眼，右眼画面信号2进入右眼，从而在大脑中组合成立体的影像。以每个像素分四区依次打开（分别通过1/4闸极、2/4闸极、3/4闸极以及最后闸极控制），同时每帧画面通过四个画面信号依次叠加显示为例，具体操作流程如下：
闸极自上而下依次扫描1/4闸极、2/4闸极、3/4闸极以及最后闸极，当某个闸极（例如1/4闸极）扫描完毕后，等待液晶转动的反应时间T1，如图1中标示，使液晶分子转动到位，避免亮度产生错误。随后在T2的时间内像素对应该1/4闸极的背光即可打开或者关闭。其它分区的工作原理与此相同。
在液晶面板显示左眼画面信号1时，快门眼镜开关的左眼开关在第一区背光开启前打开，第四区背光关闭后关闭；在液晶面板显示右眼画面信号2时，快门眼镜开关的右眼开关在第一区背光开启前打开，第四区背光关闭后关闭；在液晶面板显示黑板信号4时，各区背光关闭，快门眼镜开关的左右眼开关也均关闭。
从图1中可知，快门眼镜开关的开启时间和液晶面板的背光开启时间都很短，容易造成液晶面板显示亮度的不足。
故，有必要提供一种用于三维电视的液晶面板以及快门眼镜，以解决现有技术所存在的问题。
 技术问题
本发明的目的在于提供一种可以增加显示亮度的用于三维电视的液晶面板以及快门眼镜，以解决现有技术的三维电视在观看3D图像时由于快门眼镜的开启时间和液晶面板的背光开启时间都很短造成液晶面板显示亮度不足的技术问题。
 技术解决方案
本发明涉及一种用于三维电视的液晶面板，所述液晶面板通过用于左眼观看的左眼画面信号、第一画面信号、用于右眼观看的右眼画面信号以及第二画面信号依次叠加显示每帧画面，其中所述第一画面信号为用于左右眼同时观看的左右眼画面信号，所述第二画面信号为黑板信号；所述左眼画面信号的输出灰度信号强度小于所述左右眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度小于所述右眼画面信号的输出灰度信号强度；或所述左眼画面信号的输出灰度信号强度大于所述左右眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度大于所述右眼画面信号的输出灰度信号强度；所述左眼画面信号的实际灰度信号强度由所述左眼画面信号的相应背光和所述左眼画面信号的输出灰度信号强度确定，所述右眼画面信号的实际灰度信号强度由所述右眼画面信号的相应背光和所述右眼画面信号的输出灰度信号强度确定，所述左右眼画面信号的实际灰度信号强度由所述左右眼画面信号的相应背光和所述左右眼画面信号的输出灰度信号强度确定；所述左眼画面信号、所述右眼画面信号以及所述左右眼画面信号的相应背光通过液晶面板的驱动电流确定。
本发明涉及一种用于三维电视的液晶面板，所述液晶面板通过用于左眼观看的左眼画面信号、第一画面信号、用于右眼观看的右眼画面信号以及第二画面信号依次叠加显示每帧画面，其中所述第一画面信号为用于左右眼同时观看的左右眼画面信号，所述第二画面信号为黑板信号。
在本发明所述的用于三维电视的液晶面板中，所述左右眼画面信号的输出灰度信号强度小于所述左眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度小于所述右眼画面信号的输出灰度信号强度。
在本发明所述的用于三维电视的液晶面板中，所述左右眼画面信号的输出灰度信号强度小于所述左眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度等于所述右眼画面信号的输出灰度信号强度；或所述左右眼画面信号的输出灰度信号强度小于所述右眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度等于所述左眼画面信号的输出灰度信号强度。
在本发明所述的用于三维电视的液晶面板中，所述左眼画面信号的输出灰度信号强度小于所述左右眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度小于所述右眼画面信号的输出灰度信号强度；或所述左眼画面信号的输出灰度信号强度大于所述左右眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度大于所述右眼画面信号的输出灰度信号强度。
在本发明所述的用于三维电视的液晶面板中，所述左眼画面信号的实际灰度信号强度由所述左眼画面信号的相应背光和所述左眼画面信号的输出灰度信号强度确定，所述右眼画面信号的实际灰度信号强度由所述右眼画面信号的相应背光和所述右眼画面信号的输出灰度信号强度确定，所述左右眼画面信号的实际灰度信号强度由所述左右眼画面信号的相应背光和所述左右眼画面信号的输出灰度信号强度确定。
本发明还涉及一种用于三维电视的快门眼镜，包括用于控制左眼画面信号输入的左眼开关以及用于右眼画面信号输入的右眼开关，所述快门眼镜通过用于左眼观看的左眼画面信号、第一画面信号、用于右眼观看的右眼画面信号以及第二画面信号依次叠加显示每帧画面，其中所述第一画面信号为用于左右眼同时观看的左右眼画面信号，所述第二画面信号为黑板信号；当所述快门眼镜显示左右眼画面信号时，所述左眼开关和所述右眼开关均打开；当所述快门眼镜显示所述黑板信号时，所述左眼开关和所述右眼开关均关闭。
在本发明所述的用于三维电视的快门眼镜中，所述左右眼画面信号的输出灰度信号强度小于所述左眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度小于所述右眼画面信号的输出灰度信号强度。
在本发明所述的用于三维电视的快门眼镜中，所述左右眼画面信号的输出灰度信号强度小于所述左眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度等于所述右眼画面信号的输出灰度信号强度；或所述左右眼画面信号的输出灰度信号强度小于所述右眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度等于所述左眼画面信号的输出灰度信号强度。
在本发明所述的用于三维电视的快门眼镜中，所述左眼画面信号的输出灰度信号强度小于所述左右眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度小于所述右眼画面信号的输出灰度信号强度；或所述左眼画面信号的输出灰度信号强度大于所述左右眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度大于所述右眼画面信号的输出灰度信号强度。
在本发明所述的用于三维电视的快门眼镜中，所述左眼画面信号的实际灰度信号强度由所述左眼画面信号的相应背光和所述左眼画面信号的输出灰度信号强度确定，所述右眼画面信号的实际灰度信号强度由所述右眼画面信号的相应背光和所述右眼画面信号的输出灰度信号强度确定，所述左右眼画面信号的实际灰度信号强度由所述左右眼画面信号的相应背光和所述左右眼画面信号的输出灰度信号强度确定。
 有益效果
本发明所述的用于三维电视的液晶面板以及快门眼镜可以增加三维电视的显示亮度，避免了现有的三维电视在观看3D图像由于快门眼镜的开启时间和液晶面板的背光开启时间都很短造成液晶面板显示亮度不足的缺陷。
 附图说明
图1为现有技术的用于三维电视的液晶面板以及快门眼镜的工作原理图；
图2为本发明的用于三维电视的液晶面板以及快门眼镜的优选实施例的工作原理图；
图3为现有技术和本发明的用于三维电视的液晶面板以及快门眼镜的各优选方案的各信号的输出灰度信号强度的对比图。
 本发明的最佳实施方式
以下各实施例的说明是参考附加的图式，用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语，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，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。
在图中，结构相似的单元是以相同标号表示。
本发明涉及一种用于三维电视的液晶面板，所述液晶面板通过用于左眼观看的左眼画面信号1、第一画面信号、用于右眼观看的右眼画面信号2以及第二画面信号依次叠加显示每帧画面，现有技术的第一画面信号和第二画面信号均为黑板信号4，本发明的液晶面板中的第一画面信号为用于左右眼同时观看的左右眼画面信号3，第二画面信号为黑板信号。采用本发明的液晶面板后，液晶面板显示第一画面信号时，相应的快门眼镜的左眼开关和右眼开关均打开；同时在显示左右眼画面信号3的输出灰度信号时，左右眼画面信号3的相应背光也打开。因此相比现有的三维电视，快门眼镜的开启时间和液晶面板的背光开启时间均有所增加，弥补了现有液晶面板显示亮度不足的缺陷。
作为本发明的用于三维电视的液晶面板的第一优选实施例，如图2所示，图2为本发明的用于三维电视的液晶面板以及快门眼镜的优选实施例的工作原理图，其中增加的左右眼画面信号3的输出灰度信号强度小于左眼画面信号1的输出灰度信号强度，左右眼画面信号3的输出灰度信号强度同时还小于右眼画面信号2的输出灰度信号强度。由于在本实施例中各信号的背光没有发生变化，因此这里各信号的实际灰度信号强度（使用者通过快门眼镜观看到的灰度信号强度）等于输出灰度信号强度（液晶面板输出的不考虑背光的灰度信号强度）。由于左右眼画面信号3的存在，左眼画面信号1的输出灰度信号强度可以减小，右眼画面信号2的输出灰度信号强度也同时可以减小，这样使得液晶分子的灰阶转换的差距也减小，左眼画面信号1与左右眼画面信号3切换时和左右眼画面信号3与右眼画面信号2切换时的液晶转动的反应时间T1可减小，从而可增加相应的背光开启时间T2，进一步增加三维电视的显示亮度。
作为本发明的用于三维电视的液晶面板的第二优选实施例，其中增加的左右眼画面信号3的输出灰度信号强度小于右眼画面信号2的输出灰度信号强度，左右眼画面信号3的输出灰度信号强度等于左眼画面信号1的输出灰度信号强度。当左眼画面信号1的输出灰度信号强度小于右眼画面信号2的输出灰度信号强度时，可以使左右眼画面信号3的输出灰度信号强度等于左眼画面信号1的输出灰度信号强度，如图3所示（图3为现有技术和本发明的用于三维电视的液晶面板以及快门眼镜的各优选方案的各信号的输出灰度信号强度的对比图），在优选方案一中，左眼画面信号1的输出灰度信号强度由64阶减小为46阶，左右眼画面信号3的输出灰度信号强度也为46阶，右眼画面信号2的输出灰度信号强度由224阶减小为220阶（46阶的灰度信号的亮度为64阶的灰度信号的一半，220阶的灰度信号的亮度为224阶的灰度信号的亮度扣除46阶的灰度信号的亮度）。这样在左眼画面信号1与左右眼画面信号3进行切换时，液晶分子不需要进行灰阶转换，液晶转动的反应时间T1可减至最小，从而可增加相应的背光开启时间T2，在第一优选实施例的基础上进一步增加三维电视的显示亮度。
同样当右眼画面信号2的输出灰度信号强度小于左眼画面信号1的输出灰度信号强度时，可以使左右眼画面信号3的输出灰度信号强度等于右眼画面信号2的输出灰度信号强度。原理同上，这样在左右眼画面信号3与右眼画面信号2进行切换时，液晶分子不需要进行灰阶转换，液晶转动的反应时间T1可减至最小，从而可增加相应的背光开启时间T2，在第一优选实施例的基础上进一步增加三维电视的显示亮度。
作为本发明的用于三维电视的液晶面板的第三优选实施例，其中增加的左右眼画面信号3的输出灰度信号强度大于左眼画面信号1的输出灰度信号强度，左右眼画面信号3的输出灰度信号强度小于右眼画面信号2的输出灰度信号强度。当左眼画面信号1的输出灰度信号强度小于右眼画面信号2的输出灰度信号强度时，可以使左右眼画面信号3的输出灰度信号强度大于左眼画面信号1的输出灰度信号强度，如图3所示（图3为现有技术和本发明的用于三维电视的液晶面板以及快门眼镜的各优选方案的各信号的输出灰度信号强度的对比图），在优选方案二中，左眼画面信号1的输出灰度信号强度由64阶减小为0阶，左右眼画面信号3的输出灰度信号强度由0阶变为64阶，右眼画面信号2的输出灰度信号强度由224阶减小为215阶（215阶的灰度信号的亮度为224阶的灰度信号的亮度扣除64阶的灰度信号的亮度）。这样在左右眼画面信号3与右眼画面信号2进行切换时，液晶分子进行的灰阶转换可减小（左眼画面信号1的输出灰度信号强度减小为0阶时最小），液晶转动的反应时间T1可减小，从而可增加相应的背光开启时间T2，在第一优选实施例的基础上进一步增加三维电视的显示亮度。
同样当右眼画面信号2的输出灰度信号强度小于左眼画面信号1的输出灰度信号强度时，可以使左右眼画面信号3的输出灰度信号强度大于右眼画面信号2的输出灰度信号强度。原理同上，这样在左右眼画面信号3与左右画面信号进行切换时，液晶分子进行的灰阶转换可减小（右眼画面信号2的输出灰度信号强度减小为0阶时最小），液晶转动的反应时间T1可减小，从而可增加相应的背光开启时间T2，在第一优选实施例的基础上进一步增加三维电视的显示亮度。
作为本发明的用于三维电视的液晶面板的第四优选实施例，由于左眼画面信号1的实际灰度信号强度由左眼画面信号1的相应背光和左眼画面信号1的输出灰度信号强度确定，右眼画面信号2的实际灰度信号强度由右眼画面信号2的相应背光和右眼画面信号2的输出灰度信号强度确定，左右眼画面信号3的实际灰度信号强度由左右眼画面信号3的相应背光和左右眼画面信号3的输出灰度信号强度确定。因此要增加左右眼画面信号3的实际灰度信号强度除了增加左右眼画面信号3的输出灰度信号强度外，还可通过增加左右眼画面信号3的相应背光来实现。如图3所示（图3为现有技术和本发明的用于三维电视的液晶面板以及快门眼镜的各优选方案的各信号的输出灰度信号强度的对比图），在优选方案三中，左眼画面信号1的输出灰度信号强度由64阶减小为0阶，左右眼画面信号3的输出灰度信号强度由0阶变为46阶，右眼画面信号2的输出灰度信号强度由224阶减小为215阶（215阶的灰度信号的亮度为224阶的灰度信号的亮度扣除64阶的灰度信号的亮度）。但是通过提高液晶面板的驱动电流增加了左右眼画面信号3的相应的背光亮度，在本实施例中，左右眼画面信号3相应的背光亮度提高为原来的两倍，使得左右眼画面信号3的实际灰度信号强度为64阶。这种方式同样可以减少左眼画面信号1与左右眼画面信号3切换时和左右眼画面信号3与右眼画面信号2切换时的液晶转动的反应时间T1，从而可增加相应的背光开启时间T2，进一步增加三维电视的显示亮度。
本发明还涉及一种用于三维电视的快门眼镜，包括用于控制左眼画面信号1输入的左眼开关以及用于右眼画面信号2输入的右眼开关，所述快门眼镜通过用于左眼观看的左眼画面信号1、第一画面信号、用于右眼观看的右眼画面信号2以及第二画面信号依次叠加显示每帧画面，其中第一画面信号为用于左右眼同时观看的左右眼画面信号3，第二画面信号为黑板信号；当快门眼镜显示左右眼画面信号3时，所述左眼开关和所述右眼开关均打开；当快门眼镜显示黑板信号时，左眼开关和右眼开关均关闭。本发明的快门眼镜中的第一画面信号为用于左右眼同时观看的左右眼画面信号3，第二画面信号为黑板信号。采用本发明的快门眼镜后，液晶面板显示第一画面信号时，相应的快门眼镜的左眼开关和右眼开关均打开；同时在显示左右眼画面信号3的输出灰度信号时，左右眼画面信号3的相应背光也打开。因此相比现有的三维电视，快门眼镜的开启时间和液晶面板的背光开启时间均有所增加，弥补了现有液晶面板显示亮度不足的缺陷。
作为本发明的用于三维电视的快门眼镜的第一优选实施例，左右眼画面信号3的输出灰度信号强度小于左眼画面信号1的输出灰度信号强度，左右眼画面信号3的输出灰度信号强度小于右眼画面信号2的输出灰度信号强度。本发明的用于三维电视的快门眼镜的具体实施方式和有益效果与上述的用于三维电视的液晶面板的第一优选实施例相同或相似，具体请参见用于三维电视的液晶面板的具体实施例。
作为本发明的用于三维电视的快门眼镜的第二优选实施例，左右眼画面信号3的输出灰度信号强度小于左眼画面信号1的输出灰度信号强度，左右眼画面信号3的输出灰度信号强度等于右眼画面信号2的输出灰度信号强度；或左右眼画面信号3的输出灰度信号强度小于右眼画面信号2的输出灰度信号强度，左右眼画面信号3的输出灰度信号强度等于左眼画面信号1的输出灰度信号强度。本发明的用于三维电视的快门眼镜的具体实施方式和有益效果与上述的用于三维电视的液晶面板的第二优选实施例相同或相似，具体请参见用于三维电视的液晶面板的具体实施例。
作为本发明的用于三维电视的快门眼镜的第三优选实施例，左眼画面信号1的输出灰度信号强度小于左右眼画面信号3的输出灰度信号强度，左右眼画面信号3的输出灰度信号强度小于右眼画面信号2的输出灰度信号强度；或左眼画面信号1的输出灰度信号强度大于左右眼画面信号3的输出灰度信号强度，左右眼画面信号3的输出灰度信号强度大于右眼画面信号2的输出灰度信号强度。本发明的用于三维电视的快门眼镜的具体实施方式和有益效果与上述的用于三维电视的液晶面板的第三优选实施例相同或相似，具体请参见用于三维电视的液晶面板的具体实施例。
作为本发明的用于三维电视的快门眼镜的第四优选实施例，由于左眼画面信号1的实际灰度信号强度由左眼画面信号1的相应背光和左眼画面信号1的输出灰度信号强度确定，右眼画面信号2的实际灰度信号强度由右眼画面信号2的相应背光和右眼画面信号2的输出灰度信号强度确定，左右眼画面信号3的实际灰度信号强度由左右眼画面信号3的相应背光和左右眼画面信号3的输出灰度信号强度确定。因此要增加左右眼画面信号3的实际灰度信号强度除了增加左右眼画面信号3的输出灰度信号强度外，还可通过增加左右眼画面信号3的相应背光来实现。通过提高液晶面板的驱动电流增加了左右眼画面信号3的相应的背光亮度。本发明的用于三维电视的快门眼镜的具体实施方式和有益效果与上述的用于三维电视的液晶面板的第四优选实施例相同或相似，具体请参见用于三维电视的液晶面板的具体实施例。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。
 本发明的实施方式
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Claims (15)

  1. 一种用于三维电视的液晶面板，所述液晶面板通过用于左眼观看的左眼画面信号、第一画面信号、用于右眼观看的右眼画面信号以及第二画面信号依次叠加显示每帧画面，其特征在于，
    所述第一画面信号为用于左右眼同时观看的左右眼画面信号，所述第二画面信号为黑板信号；
    所述左眼画面信号的输出灰度信号强度小于所述左右眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度小于所述右眼画面信号的输出灰度信号强度；或
    所述左眼画面信号的输出灰度信号强度大于所述左右眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度大于所述右眼画面信号的输出灰度信号强度；
    所述左眼画面信号的实际灰度信号强度由所述左眼画面信号的相应背光和所述左眼画面信号的输出灰度信号强度确定，所述右眼画面信号的实际灰度信号强度由所述右眼画面信号的相应背光和所述右眼画面信号的输出灰度信号强度确定，所述左右眼画面信号的实际灰度信号强度由所述左右眼画面信号的相应背光和所述左右眼画面信号的输出灰度信号强度确定；
    所述左眼画面信号、所述右眼画面信号以及所述左右眼画面信号的相应背光通过液晶面板的驱动电流确定。
  2. 一种用于三维电视的液晶面板，所述液晶面板通过用于左眼观看的左眼画面信号、第一画面信号、用于右眼观看的右眼画面信号以及第二画面信号依次叠加显示每帧画面，其特征在于，
    所述第一画面信号为用于左右眼同时观看的左右眼画面信号，所述第二画面信号为黑板信号。
  3. 根据权利要求2所述的用于三维电视的液晶面板，其特征在于，
    所述左右眼画面信号的输出灰度信号强度小于所述左眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度小于所述右眼画面信号的输出灰度信号强度。
  4. 根据权利要求2所述的用于三维电视的液晶面板，其特征在于，
    所述左右眼画面信号的输出灰度信号强度小于所述左眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度等于所述右眼画面信号的输出灰度信号强度；或
    所述左右眼画面信号的输出灰度信号强度小于所述右眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度等于所述左眼画面信号的输出灰度信号强度。
  5. 根据权利要求2所述的用于三维电视的液晶面板，其特征在于，
    所述左眼画面信号的输出灰度信号强度小于所述左右眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度小于所述右眼画面信号的输出灰度信号强度；或
    所述左眼画面信号的输出灰度信号强度大于所述左右眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度大于所述右眼画面信号的输出灰度信号强度。
  6. 根据权利要求3所述的用于三维电视的液晶面板，其特征在于，
    所述左眼画面信号的实际灰度信号强度由所述左眼画面信号的相应背光和所述左眼画面信号的输出灰度信号强度确定，所述右眼画面信号的实际灰度信号强度由所述右眼画面信号的相应背光和所述右眼画面信号的输出灰度信号强度确定，所述左右眼画面信号的实际灰度信号强度由所述左右眼画面信号的相应背光和所述左右眼画面信号的输出灰度信号强度确定。
  7. 根据权利要求4所述的用于三维电视的液晶面板，其特征在于，
    所述左眼画面信号的实际灰度信号强度由所述左眼画面信号的相应背光和所述左眼画面信号的输出灰度信号强度确定，所述右眼画面信号的实际灰度信号强度由所述右眼画面信号的相应背光和所述右眼画面信号的输出灰度信号强度确定，所述左右眼画面信号的实际灰度信号强度由所述左右眼画面信号的相应背光和所述左右眼画面信号的输出灰度信号强度确定。
  8. 根据权利要求5所述的用于三维电视的液晶面板，其特征在于，
    所述左眼画面信号的实际灰度信号强度由所述左眼画面信号的相应背光和所述左眼画面信号的输出灰度信号强度确定，所述右眼画面信号的实际灰度信号强度由所述右眼画面信号的相应背光和所述右眼画面信号的输出灰度信号强度确定，所述左右眼画面信号的实际灰度信号强度由所述左右眼画面信号的相应背光和所述左右眼画面信号的输出灰度信号强度确定。
  9. 9、一种用于三维电视的快门眼镜，包括用于控制左眼画面信号输入的左眼开关以及用于右眼画面信号输入的右眼开关，所述快门眼镜通过用于左眼观看的左眼画面信号、第一画面信号、用于右眼观看的右眼画面信号以及第二画面信号依次叠加显示每帧画面，其特征在于，
    所述第一画面信号为用于左右眼同时观看的左右眼画面信号，所述第二画面信号为黑板信号；当所述快门眼镜显示左右眼画面信号时，所述左眼开关和所述右眼开关均打开；当所述快门眼镜显示所述黑板信号时，所述左眼开关和所述右眼开关均关闭。
  10. 根据权利要求9所述的用于三维电视的快门眼镜，其特征在于，
    所述左右眼画面信号的输出灰度信号强度小于所述左眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度小于所述右眼画面信号的输出灰度信号强度。
  11. 根据权利要求9所述的用于三维电视的快门眼镜，其特征在于，
    所述左右眼画面信号的输出灰度信号强度小于所述左眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度等于所述右眼画面信号的输出灰度信号强度；或
    所述左右眼画面信号的输出灰度信号强度小于所述右眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度等于所述左眼画面信号的输出灰度信号强度。
  12. 根据权利要求9所述的用于三维电视的快门眼镜，其特征在于，
    所述左眼画面信号的输出灰度信号强度小于所述左右眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度小于所述右眼画面信号的输出灰度信号强度；或
    所述左眼画面信号的输出灰度信号强度大于所述左右眼画面信号的输出灰度信号强度，所述左右眼画面信号的输出灰度信号强度大于所述右眼画面信号的输出灰度信号强度。
  13. 根据权利要求10所述的用于三维电视的快门眼镜，其特征在于，
    所述左眼画面信号的实际灰度信号强度由所述左眼画面信号的相应背光和所述左眼画面信号的输出灰度信号强度确定，所述右眼画面信号的实际灰度信号强度由所述右眼画面信号的相应背光和所述右眼画面信号的输出灰度信号强度确定，所述左右眼画面信号的实际灰度信号强度由所述左右眼画面信号的相应背光和所述左右眼画面信号的输出灰度信号强度确定。
  14. 根据权利要求11所述的用于三维电视的快门眼镜，其特征在于，
    所述左眼画面信号的实际灰度信号强度由所述左眼画面信号的相应背光和所述左眼画面信号的输出灰度信号强度确定，所述右眼画面信号的实际灰度信号强度由所述右眼画面信号的相应背光和所述右眼画面信号的输出灰度信号强度确定，所述左右眼画面信号的实际灰度信号强度由所述左右眼画面信号的相应背光和所述左右眼画面信号的输出灰度信号强度确定。
  15. 根据权利要求12所述的用于三维电视的快门眼镜，其特征在于，
    所述左眼画面信号的实际灰度信号强度由所述左眼画面信号的相应背光和所述左眼画面信号的输出灰度信号强度确定，所述右眼画面信号的实际灰度信号强度由所述右眼画面信号的相应背光和所述右眼画面信号的输出灰度信号强度确定，所述左右眼画面信号的实际灰度信号强度由所述左右眼画面信号的相应背光和所述左右眼画面信号的输出灰度信号强度确定。
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