CN105047117B - A common voltage adjusting method of a liquid crystal panel - Google Patents

A common voltage adjusting method of a liquid crystal panel Download PDF

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CN105047117B
CN105047117B CN201510571678.XA CN201510571678A CN105047117B CN 105047117 B CN105047117 B CN 105047117B CN 201510571678 A CN201510571678 A CN 201510571678A CN 105047117 B CN105047117 B CN 105047117B
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common voltage
liquid crystal
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crystal panel
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CN105047117A (en
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何健
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深圳市华星光电技术有限公司
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Abstract

本发明提供一种调节液晶面板公共电压的方法,首先分别找到对应于红色、绿色、和蓝色闪烁测试画面的红色最佳公共电压、绿色最佳公共电压、和蓝色最佳公共电压,再引入分别对应于红色、绿色、和蓝色纯色画面的红色、绿色、和蓝色亮度权重因子来计算得出液晶面板最佳公共电压,能够在液晶面板分别对应于红色、绿色、和蓝色画面的最佳公共电压不一致的情况下,通过红色、绿色、和蓝色亮度权重因子来分摊红色、绿色、和蓝色最佳公共电压之间的偏差,简单快捷地找到液晶面板的最佳公共电压,减小因感光探头对不同波长光线的响应灵敏度不同所引起的最佳公共电压的偏差。 The present invention provides a method of regulating the liquid crystal panel common voltage, respectively, first found corresponding to red, green, blue and red flashing test screen optimum common voltage, the common voltage optimum green, and blue optimum common voltage, then introducing corresponding to red, green, and blue pictures are solid red, green, and blue luminance weighting factors to calculate the optimum voltage of the common liquid crystal panel, capable of corresponding to the red, green, and blue liquid crystal panel screen does not match the optimum common voltage is, through the red, green, and blue luminance weighting factor assessed deviation between the red, green, and blue optimum common voltage, quickly and easily find the optimum common voltage to the liquid crystal panel , the optimum common voltage is reduced because of the sensitivity of the photosensitive sensor in response to different light of different wavelengths caused deviations.

Description

调节液晶面板公共电压的方法 A common voltage adjusting method of a liquid crystal panel

技术领域 FIELD

[0001] 本发明涉及显示技术领域,尤其涉及一种调节液晶面板公共电压的方法。 [0001] The present invention relates to display technology, and particularly relates to a method for adjusting the common voltage of the liquid crystal panel.

背景技术 Background technique

[0002] 液晶显示器(Liquid Crystal Display,LCD)具有机身薄、省电、无福射等众多优点,得到了广泛的应用,如:液晶电视、移动电话、个人数字助理(PDA)、数字相机、计算机屏幕或笔记本电脑屏幕等,在平板显示领域中占主导地位。 [0002] The liquid crystal display (Liquid Crystal Display, LCD) having a thin body, low power, non-radio-fu many other advantages, has been widely used, such as: a liquid crystal TV, a mobile phone, a personal digital assistant (PDA), a digital camera , a computer screen or laptop screens, fields dominate the flat panel display.

[0003] 现有市场上的液晶显示器大部分为背光型液晶显示器,其包括液晶面板及背光模组(backlight module)。 [0003] The liquid crystal display on the market, most of the conventional backlight type liquid crystal display module includes a liquid crystal panel and a backlight (backlight module). 液晶面板的工作原理是在薄膜晶体管阵列基板(Thin Film Transistor Array Substrate,TFT Array Substrate)与彩色滤光片基板(Color Filter, CF)之间灌入液晶分子,并在两片基板上施加驱动电压来控制液晶分子的旋转方向,以将背光模组的光线折射出来产生画面。 Working principle of the liquid crystal panel is a thin film transistor array substrate (Thin Film Transistor Array Substrate, TFT Array Substrate) between the color filter substrate (Color Filter, CF) poured into the liquid crystal molecules, and the driving voltage is applied on the two substrates to control the direction of rotation of the liquid crystal molecules, reflecting the light to produce the screen backlight module.

[0004] 基于液晶特性及LCD的工作原理,液晶面板的驱动电路需要正负极性的偏转电压和一个公共电压(V-com),其中,V-com需要设置在正负偏转电压的中心。 [0004] Based on the characteristics of the liquid crystal and operating principle of the LCD, the liquid crystal panel driving circuit needs polarity deflection voltage and a common voltage (V-com), wherein, V-com to set the center of the positive and negative deflection voltage. 由于电容耦合等因素的影响,当正负极性偏转电压中心偏离V-com时,液晶面板会出现闪烁(Flicker),为了降低闪烁,现有技术通常通过调整V-com的值,将液晶面板的闪烁调整至最小,从而使液晶面板的显示效果达到最好,对应于液晶面板闪烁最小的V-com即为液晶面板最佳公共电压。 Because of the capacitive coupling and other factors, when the polarity deflection voltage offset from the center V-com, a liquid crystal panel flicker (the Flicker), in order to reduce flicker, the prior art typically by adjusting the value of the V-com, a liquid crystal panel flashing adjusted to a minimum, so that the liquid crystal display panel to achieve the best effect, the liquid crystal panel corresponding to the minimum flashing V-com is the optimum liquid crystal panel common voltage.

[0005] 现有的调节液晶面板公共电压的方法通常使用感光探头来获取液晶面板的闪烁信息,在感光探头检测期间不断变化液晶面板的公共电压,找到液晶面板闪烁最小时所对应的的最佳公共电压,最后将该最佳公共电压的值写入可编程伽马校正芯片(P-Gamma IC),完成液晶面板最佳公共电压的调节。 [0005] The conventional method of adjusting the common voltage of the liquid crystal panel is generally used to obtain the photosensitive probe information scintillation liquid crystal panel, a common voltage during a photosensitive detector probe changing the liquid crystal panel, liquid crystal panel flicker find optimum minimum corresponding to the common voltage, the common voltage value of the optimum Finally, the writing gamma correction programmable chip (P-gamma IC), optimum common voltage adjustment is complete the liquid crystal panel. 感光探头通常选用光敏二极管,而如图1所示,光敏二极管对不同波长的光线的响应灵敏度是不同的,也就是说光敏二极管对液晶面板显示的红色〇?ed,R)、绿色(Green,G)、和蓝色(Blue,B)画面的响应灵敏度是不同的。 Red square photodiode photosensitive probe is usually used, and as shown in FIG photodiode response sensitivity to different wavelengths of light are different from 1, that the photodiode of the liquid crystal display panel? Ed, R), green (Green, response sensitivity G), and blue (blue, B) pictures are different. 在实际应用中存在液晶面板分别对应于红色R、绿色G、和蓝色B画面的最佳公共电压不一致的情况,由于光敏二极管对R、G、B三种颜色画面的响应灵敏度差异,合成在一起的灰阶画面所找到的闪烁最小时对应的最佳公共电压与实际的最佳公共电压就会存在偏差,进而影响液晶面板的显示效果和液晶面板的出货品质。 In the presence of the liquid crystal panel respectively corresponding to the practical application of the optimum common voltage inconsistent red R, green G, and blue B picture, the difference in sensitivity of the photodiode because the response of the R, G, B three color picture, the synthesis flashing gray scale pictures with minimum corresponding to the found optimum common voltage and a common voltage would actual optimal bias, thereby affecting the delivery of the liquid crystal panel display quality and a liquid crystal panel.

发明内容 SUMMARY

[0006] 本发明的目的在于提供一种调节液晶面板公共电压的方法,能够在液晶面板分别对应于红色、绿色、和蓝色画面的最佳公共电压不一致的情况下,简单快捷地找到液晶面板的最佳公共电压,减小因感光探头对不同波长光线的响应灵敏度不同所引起的最佳公共电压的偏差,保证液晶面板的显示效果和液晶面板的出货品质。 [0006] The object of the present invention is to provide a method for adjusting the common voltage liquid crystal panel, can not match corresponding to the red, green, and blue liquid crystal panel screen in the case where the optimum common voltage, the liquid crystal panel found quickly and easily optimum common voltage, reduce the deviation of the optimum common voltage varies in response to the probe photosensitive to different wavelengths of light sensitivity caused by outgoing quality assurance display liquid crystal panel and the liquid crystal panel.

[0007] 为实现上述目的,本发明提供了一种调节液晶面板公共电压的方法,包括如下步骤: [0007] To achieve the above object, the present invention provides a method of adjusting the common voltage liquid crystal panel, comprising the steps of:

[0008] 步骤1、提供液晶面板、感光探头、及与所述感光探头电性连接的闪烁感测器; [0008] Step 1, a liquid crystal panel, a photosensitive sensor, and blink sensor connected electrically to said photosensitive probe;

[0009] 步骤2、所述液晶面板分别显示红色、绿色、和蓝色闪烁测试画面,使用所述感光探头与闪烁感测器分别获取红色、绿色、和蓝色闪烁测试画面的闪烁值,并分别在红色、绿色、 和蓝色闪烁测试画面的显示期间调整液晶面板的公共电压,分别找到对应于红色、绿色、和蓝色闪烁测试画面闪烁最小值时的红色最佳公共电压、绿色最佳公共电压、和蓝色最佳公共电压; [0009] Step 2, the liquid crystal panel display red, green, and blue picture flashing test, using the probe and the photosensitive sensors are acquired scintillator red, green, and blue picture flicker flicker test value, and were adjusted liquid crystal panel during the display of the red, green, and blue test screen flicker common voltage, the common voltage, respectively, to find the best red corresponds to red, green, and blue flicker minimum flicker test, the best green The common voltage, the common voltage and the best blue;

[0010] 步骤3、所述液晶面板分别显示红色、绿色、和蓝色纯色画面,使用所述感光探头与闪烁感测器分别获得红色、绿色、和蓝色纯色画面的亮度; [0010] Step 3, the liquid crystal panel display red, green, and blue solid color screen to use the photosensitive sensor probe with a red flashing, green, and blue solid color screen brightness, respectively;

[0011] 步骤4、依据红色、绿色、和蓝色纯色画面的亮度分别计算红色、绿色、和蓝色亮度权重因子,计算公式为: [0011] Step 4 to calculate the red, green, and blue luminance weight based on the red, green, and blue luminance are solid picture weighting factor, calculated as:

Figure CN105047117BD00051

[0013] 其中,ar为红色亮度权重因子,Cig为绿色亮度权重因子,ab为蓝色亮度权重因子,r 为红色纯色画面的亮度值,g为绿色纯色画面的亮度值、b为蓝色纯色画面的亮度值; [0013] wherein, ar is the red luminance weighting factor, Cig green luminance weighting factor, ab weighting factor for the blue luminance weight, r is the luminance value of the red solid color screen, g is the luminance value of green solid picture, b is blue solid value of brightness of the screen;

[0014] 步骤5、依据红色、绿色、和蓝色亮度权重因子以及红色最佳公共电压、绿色最佳公共电压、和蓝色最佳公共电压计算液晶面板最佳公共电压,计算公式为: [0014] Step 5, the liquid crystal panel optimum common voltage based on calculation formula of red, green, blue and red luminance weighting factor and the optimum common voltage, the common voltage optimum green, and blue optimum common voltage:

[0015] [0015]

Figure CN105047117BD00052

[0016] 其中,Vw为液晶面板最佳公共电压,Vr为红色最佳公共电压,Vg为绿色最佳公共电压,Vb为蓝色最佳公共电压; [0016] wherein, Vw is the optimum liquid crystal panel common voltage, Vr is red optimum common voltage, Vg green optimum common voltage, Vb is the best blue common voltage;

[0017] 步骤6、将步骤5计算出的液晶面板最佳公共电压写入可编程伽马校正芯片,调节结束。 [0017] Step 6, the step 5 calculates the optimum liquid crystal panel common voltage written to the programmable chip gamma correction, the control end.

[0018] 所述步骤2中液晶面板先显示红色闪烁测试画面,使用所述感光探头与闪烁感测器获取红色闪烁测试画面的闪烁值,并在红色闪烁测试画面的显示期间调整液晶面板的公共电压,找到对应于红色测试画面闪烁最小值时的红色最佳公共电压;然后液晶面板显示绿色闪烁测试画面,使用所述感光探头与闪烁感测器获取绿色闪烁测试画面的闪烁值,并在绿色闪烁测试画面的显示期间调整液晶面板的公共电压,找到对应于绿色测试画面闪烁最小值时的绿色最佳公共电压;最后液晶面板显示蓝色闪烁测试画面,使用所述感光探头与闪烁感测器获取蓝色闪烁测试画面的闪烁值,并在蓝色闪烁测试画面的显示期间调整液晶面板的公共电压,找到对应于蓝色测试画面闪烁最小值时的蓝色最佳公共电压。 [0018] The first step of the liquid crystal display panel 2 flashing red screen test, using the photosensitive sensor probe scintillation obtain red flashing test screen flicker value, and adjust the liquid crystal panel during the test flashing red screen common voltage, corresponding to red test screen to find the best red flashes when the minimum common voltage; then green flashing test liquid crystal panel display screen, using the photosensitive sensor acquisition probe and flashing green flashing test screen flicker value, and the green adjusting the liquid crystal panel screen of the display is blinking test common voltage, the common voltage to find the best green corresponds to the minimum flicker test green; blue liquid crystal panel flicker and finally test screen, using the scintillation photosensitive sensor probe Get the value of the blue screen flicker flicker test, adjusting the liquid crystal panel flicker and the common voltage during a test screen displayed in the blue, blue test found corresponds to the minimum flicker blue optimum common voltage.

[0019] 所述步骤3中液晶面板先显示红色纯色画面,使用所述感光探头与闪烁感测器获得红色纯色画面的亮度;然后液晶面板显示绿色纯色画面,使用所述感光探头与闪烁感测器获得绿色纯色画面的亮度;最后液晶面板显示蓝色纯色画面,使用所述感光探头与闪烁感测器获得蓝色纯色画面的亮度。 [0019] The first step of the liquid crystal panel 3 red solid color screen, using the obtained photosensitive sensor probe and the scintillation screen brightness red solid; green solid and a liquid crystal panel display screen, using the photosensitive scintillation sensing probe obtains screen luminance of the green solid; final solid blue screen liquid crystal panel, using the obtained photosensitive sensor probe and the luminance of the blue solid scintillator screen.

[0020] 所述步骤2中液晶面板以同一特定灰阶分别显示红色、绿色、和蓝色闪烁测试画面。 [0020] The step of the liquid crystal panel 2 display red, green, and blue screen flicker test in the same specific grayscale.

[0021] 所述步骤3中液晶面板以所述同一特定灰阶分别显示红色、绿色、和蓝色纯色画面。 [0021] The step of the liquid crystal panel 3 are shown in red, green, and blue picture to the same specific solid gray.

[0022] 所述感光探头为光敏二极管。 The [0022] probe is a photosensitive photodiode.

[0023] 所述步骤1还提供与所述液晶面板电性连接的时序控制器、及与所述时序控制器电性连接的测试信号发生器。 [0023] Step 1 also provides the timing controller is connected electrically to the liquid crystal panel, the test signal generator and connected electrically to the timing controller.

[0024] 所述步骤2通过测试信号发生器与时序控制器控制所述液晶面板分别显示红色、 绿色、和蓝色闪烁测试画面。 [0024] Step 2 by the test signal generator and the timing controller controls the liquid crystal panel display red, green, and blue screen flicker test.

[0025] 所述步骤3通过测试信号发生器与时序控制器控制所述液晶面板分别显示红色、 绿色、和蓝色纯色画面。 [0025] The step of controlling the liquid crystal panel 3 by the test signal generator and the timing controller display red, green, and blue picture solid.

[0026] 所述步骤2中红色最佳公共电压、绿色最佳公共电压、和蓝色最佳公共电压互不相同。 [0026] The optimum common voltage step red, green optimum common voltage, the common voltage and the best blue 2 different from each other.

[0027] 本发明的有益效果:本发明提供的一种调节液晶面板公共电压的方法,首先分别找到对应于红色、绿色、和蓝色闪烁测试画面的红色最佳公共电压、绿色最佳公共电压、和蓝色最佳公共电压,再引入分别对应于红色、绿色、和蓝色纯色画面的红色、绿色、和蓝色亮度权重因子,通过红色、绿色、和蓝色亮度权重因子结合红色最佳公共电压、绿色最佳公共电压、和蓝色最佳公共电压计算得出液晶面板最佳公共电压,能够在液晶面板分别对应于红色、绿色、和蓝色画面的最佳公共电压不一致的情况下,通过红色、绿色、和蓝色亮度权重因子来分摊红色、绿色、和蓝色最佳公共电压之间的偏差,简单快捷地找到液晶面板的最佳公共电压,减小因感光探头对不同波长光线的响应灵敏度不同所引起的最佳公共电压的偏差,保证液晶面板的显示效果和液晶 [0027] Advantageous effects of the present invention is: A method for adjusting the common voltage of the liquid crystal panel of the present invention to provide, respectively, first find the best red common voltage corresponding to red, green, and blue flashing screen test, the optimum common voltage green , the optimum common voltage, and blue, respectively corresponding to the reintroduction of red, green, and blue picture solid red, green, and blue luminance weighting factors, through the red, green, blue and red luminance weighting factor binding best a case where the common voltage, the common voltage optimum green, blue, and calculates the best optimum common voltage of the common voltage of the liquid crystal panel, can be inconsistent corresponding to the red, green, and blue liquid crystal panel screen in the optimum common voltage , through the red, green, and blue luminance weighting factor assessed deviation between the red, green, and blue optimum common voltage, quickly and easily find the optimum common voltage of the liquid crystal panel is reduced because the probe photosensitive to different wavelengths optimum common voltage deviation in response sensitivity to light caused by the difference, and to ensure a liquid crystal display panel 板的出货品质。 Outgoing Quality panel.

[0028] 为了能更进一步了解本发明的特征以及技术内容,请参阅以下有关本发明的详细说明与附图,然而附图仅提供参考与说明用,并非用来对本发明加以限制。 [0028] To further understand features and technical contents of the present invention, please see the following detailed description and appended drawings of the present invention, but are provided solely for reference and illustration, not intended to limit the present invention.

附图说明 BRIEF DESCRIPTION

[0029] 下面结合附图,通过对本发明的具体实施方式详细描述,将使本发明的技术方案及其它有益效果显而易见。 [0029] below with reference to the accompanying drawings, by way of specific embodiments of the present invention are described in detail, the present invention will make the technical solution and other beneficial effect is obvious.

[0030] 附图中, [0030] In the drawings,

[0031] 图1为现有的光敏二极管对不同波长的光线的响应曲线示意图; [0031] FIG. 1 is a schematic view of a conventional photodiode response curve of light of different wavelengths;

[0032] 图2为本发明的调节液晶面板公共电压的方法的流程图; [0032] FIG 2 is a flowchart of a method of adjusting the voltage of the common liquid crystal panel of the present invention;

[0033] 图3为本发明的调节液晶面板公共电压的方法的步骤1的示意图。 A schematic view of steps of a method of adjusting the common voltage of the liquid crystal panel [0033] 3 of the present invention, FIG. 1.

具体实施方式 Detailed ways

[0034] 为更进一步阐述本发明所采取的技术手段及其效果,以下结合本发明的优选实施例及其附图进行详细描述。 [0034] To further elaborate the technical means adopted and effects of the present invention, the following in connection with preferred embodiments and embodiment of the present invention is described in detail with the accompanying drawings.

[0035] 请参阅图2,本发明提供一种调节液晶面板公共电压的方法,包括如下步骤: [0035] Referring to FIG. 2, the present invention provides a method of adjusting the common voltage liquid crystal panel, comprising the steps of:

[0036] 步骤1、如图3所示,提供液晶面板100、感光探头110、及与所述感光探头110电性连接的闪烁感测器140。 [0036] Step 1, 3, there is provided the liquid crystal panel 100, the photosensitive sensor 110, sensor 140 and the scintillator 110 is electrically connected to the photosensitive probe.

[0037] 具体地,所述感光探头110为光敏二极管,其数量可为一个或多个,用于感测光信号,并将光信号转换成电信号传递给闪烁感测器140。 [0037] Specifically, the probe 110 is sensitive photodiode, the number may be one or more, for sensing light signal, converts the optical signal into an electrical signal to the flicker sensor 140. 当所述感光探头110的数量为多个时, 多个感光探头110设于所述液晶面板100的不同区域,设置多个感光探头110能够提升后续步骤中测得的红色最佳公共电压、绿色最佳公共电压、和蓝色最佳公共电压的准确度。 110 when the number of the plurality of photosensitive probe, probe 110 is provided on a plurality of photosensitive areas of the different liquid crystal panel 100, a plurality of red sensitive probe 110 can improve the optimum common voltage measured in a subsequent step, the green best public voltage, accuracy and optimum common voltage blue.

[0038] 进一步地,所述步骤1还提供与所述液晶面板100电性连接的时序控制器120、及与所述时序控制器120电性连接的测试信号发生器130。 [0038] Furthermore, a further step of providing said timing controller 100 is electrically connected to the liquid crystal panel 120, and a test signal generator 130 is electrically connected to the timing controller 120 of.

[0039] 步骤2、所述液晶面板100分别显示红色、绿色、和蓝色闪烁测试画面,使用所述感光探头110与闪烁感测器140分别获取红色、绿色、和蓝色闪烁测试画面的闪烁值,并分别在红色、绿色、和蓝色闪烁测试画面的显示期间调整液晶面板的公共电压,分别找到对应于红色、绿色、和蓝色闪烁测试画面闪烁最小值时的红色最佳公共电压、绿色最佳公共电压、和蓝色最佳公共电压。 [0039] Step 2, the liquid crystal panel 100 display red, green, and blue picture flashing test, using the probe 110 and the photosensitive sensors 140 respectively acquire scintillation flashes red, green, and blue flashing screen test values, respectively in the red, green, and blue flashing test liquid crystal panel to adjust the common voltage during the display screen, respectively, to find the corresponding red, green, blue and red flashing test optimum common voltage flicker when the minimum value, best public voltage green, and blue best public voltage.

[0040] 具体地,所述步骤2通过测试信号发生器130与时序控制器120控制所述液晶显示面板100分别显示红色、绿色、和蓝色闪烁测试画面。 [0040] Specifically, the step 2120 and the timing controller 130 controls a test signal generator by the liquid crystal display panel 100 display red, green, and blue screen flicker test. 所述红色、绿色、和蓝色闪烁测试画面的显示顺序不限,优选的,所述步骤2中液晶面板100先显示红色闪烁测试画面,使用所述感光探头110与闪烁感测器140获取红色闪烁测试画面的闪烁值,并在红色闪烁测试画面的显示期间调整液晶面板的公共电压,找到对应于红色测试画面闪烁最小值时的红色最佳公共电压;然后液晶面板100显示绿色闪烁测试画面,使用所述感光探头110与闪烁感测器140获取绿色闪烁测试画面的闪烁值,并在绿色闪烁测试画面的显示期间调整液晶面板的公共电压,找到对应于绿色测试画面闪烁最小值时的绿色最佳公共电压;最后液晶面板100显示蓝色闪烁测试画面,使用所述感光探头110与闪烁感测器140获取蓝色闪烁测试画面的闪烁值,并在蓝色闪烁测试画面的显示期间调整液晶面板的公共电压,找到对应于蓝色测试画面闪烁最小值时的蓝 Any display order of the red, green, and blue flashing screen test, preferably, the liquid crystal panel 2 in step 100 to display red blinking test screen, using the probe 110 and the photosensitive sensor 140 acquires a red blinking test screen flicker flicker value, and adjusts the common voltage during the display of the liquid crystal panel is flashing red screen test, to find the best common red red when the test voltage corresponds to the minimum flicker; then green flashing the liquid crystal panel 100 displays the screen test, using the photosensitive sensor probe 110 and the scintillator 140 acquires flashing green test screen flicker value, and adjusting the liquid crystal panel during a flashing green screen of the display common voltage test, the test found corresponds to the flickering green green minimum most good common voltage; finally the liquid crystal panel 100 displays a blue screen flicker test, using the photosensitive sensor probe 110 and the scintillator 140 acquires blue screen flicker flicker test values, and test screen flicker during the display of the liquid crystal panel is adjusted on blue a common voltage, to find the minimum flicker corresponds to blue when the blue screen test 最佳公共电压。 Best Public voltage.

[0041] 进一步地,该步骤2中液晶面板100以同一特定灰阶分别显示红色、绿色、和蓝色闪烁测试画面,以保证测试结果的一致性。 [0041] Further, the liquid crystal panel 2 in step 100 display red, green, and blue screen flicker testing, to ensure the consistency of the test results to the same particular gray level.

[0042] 该步骤2中红色最佳公共电压、绿色最佳公共电压、和蓝色最佳公共电压互不相同。 [0042] In this step the optimum common voltage red, green optimum common voltage, the common voltage and the best blue 2 different from each other.

[0043] 步骤3、所述液晶面板100分别显示红色、绿色、和蓝色纯色画面,使用所述感光探头110与闪烁感测器140分别获得红色、绿色、和蓝色纯色画面的亮度。 [0043] Step 3, the liquid crystal panel 100 display red, green, and blue solid color screen to use the probe 110 and the photosensitive sensors 140 respectively luminance flicker the red, green, and blue picture solid.

[0044] 具体地,该步骤3通过测试信号发生器130与时序控制器120控制所述液晶显示面板100分别显示红色、绿色、和蓝色纯色画面。 [0044] Specifically, the step 3 by a test signal generator 130 and timing controller 120 controls the liquid crystal display panel 100 display red, green, and blue picture solid. 同样的,所述红色、绿色、和蓝色纯色画面的显示顺序也不限,优选的,液晶面板100先显示红色纯色画面,使用所述感光探头110与闪烁感测器140获得红色纯色画面的亮度;然后液晶面板100显示绿色纯色画面,使用所述感光探头110与闪烁感测器140获得绿色纯色画面的亮度;最后液晶面板100显示蓝色纯色画面,使用所述感光探头110与闪烁感测器140获得蓝色纯色画面的亮度。 Similarly, the red, green, and blue solid color screen display order is also limited, preferably, the liquid crystal panel 100 to display a red solid color screen, using the photosensitive sensor probe 110 and the scintillation screen 140 of a red solid brightness; then green liquid crystal panel 100 displays a solid color screen, using the probe 110 and the photosensitive sensor 140 blinks green solid color screen brightness obtained; finally the liquid crystal panel 100 displays a solid blue screen, using the photosensitive scintillation sensing probe 110 140 to obtain the screen luminance of the blue solid.

[0045] 进一步地,该步骤3中液晶面板100以与上述步骤2同样的特定灰阶分别显示红色、 绿色、和蓝色纯色画面。 [0045] Further, the liquid crystal panel 3 in step 100 similar to step 2 of the specific gray-scale display red, green, and blue picture solid.

[0046] 步骤4、依据红色、绿色、和蓝色纯色画面的亮度分别计算红色、绿色、和蓝色亮度权重因子,计算公式为: [0046] Step 4 to calculate the red, green, and blue luminance weight based on the red, green, and blue luminance are solid picture weighting factor, calculated as:

Figure CN105047117BD00081

[0048] 其中,ar为红色亮度权重因子,Cig为绿色亮度权重因子,ab为蓝色亮度权重因子,r 为红色纯色画面的亮度值,g为绿色纯色画面的亮度值、b为蓝色纯色画面的亮度值。 [0048] wherein, ar is the red luminance weighting factor, Cig green luminance weighting factor, ab weighting factor for the blue luminance weight, r is the luminance value of the red solid color screen, g is the luminance value of green solid picture, b is blue solid value of brightness of the screen. 特别的,上述红色、绿色、和蓝色亮度权重因子用来在后续步骤中分摊红色、绿色、和蓝色最佳公共电压的之间的偏差,使得最终获得的液晶面板最佳公共电压更加准确。 In particular the deviation between the red, green, and blue luminance weighting factors assessed for red, green, and blue optimum common voltage in the subsequent steps, the liquid crystal panel such that the finally obtained optimum common voltage more accurately .

[0049] 步骤5、依据红色、绿色、和蓝色亮度权重因子以及红色最佳公共电压、绿色最佳公共电压、和蓝色最佳公共电压计算液晶面板最佳公共电压,计算公式为: [0049] Step 5, the liquid crystal panel optimum common voltage based on calculation formula of red, green, blue and red luminance weighting factor and the optimum common voltage, the common voltage optimum green, and blue optimum common voltage:

[0050] [0050]

Figure CN105047117BD00082

[0051] 其中,Vw为液晶面板最佳公共电压,Vr为红色最佳公共电压,Vg为绿色最佳公共电压,Vb为蓝色最佳公共电压。 [0051] wherein, Vw is the optimum liquid crystal panel common voltage, Vr is red optimum common voltage, Vg green optimum common voltage, Vb blue optimum common voltage.

[0052] 步骤6、将步骤5计算出的液晶面板最佳公共电压写入可编程伽马校正芯片,调节结束。 [0052] Step 6, the step 5 calculates the optimum liquid crystal panel common voltage written to the programmable chip gamma correction, the control end.

[0053] 综上所述,本发明的调节液晶面板公共电压的方法,首先分别找到对应于红色、绿色、和蓝色闪烁测试画面的红色最佳公共电压、绿色最佳公共电压、和蓝色最佳公共电压, 再引入分别对应于红色、绿色、和蓝色纯色画面的红色、绿色、和蓝色亮度权重因子,通过红色、绿色、和蓝色亮度权重因子结合红色最佳公共电压、绿色最佳公共电压、和蓝色最佳公共电压计算得出液晶面板最佳公共电压,能够在液晶面板分别对应于红色、绿色、和蓝色画面的最佳公共电压不一致的情况下,通过红色、绿色、和蓝色亮度权重因子来分摊红色、绿色、和蓝色最佳公共电压之间的偏差,简单快捷地找到液晶面板的最佳公共电压,减小因感光探头对不同波长光线的响应灵敏度不同所引起的最佳公共电压的偏差,保证液晶面板的显不效果和液晶面板的出货品质 [0053] In summary, a method of adjusting the common voltage of the liquid crystal panel of the present invention, first find the corresponding respectively to red, green, blue and red flashing test screen optimum common voltage, the common voltage optimum green, and blue optimum common voltage, respectively corresponding to the reintroduction of red, green, and blue picture solid red, green, and blue luminance weighting factors, through the red, green, blue and red luminance weighting factor binding optimum common voltage, green does not match the optimum common voltage, the common voltage and blue best calculated optimum common voltage of the liquid crystal panel, capable of corresponding to the red, green, and blue liquid crystal panel screen in the case where the optimum common voltage, through the red, green, and blue luminance weighting factor assessed deviation between the red, green, and blue optimum common voltage, quickly and easily find the optimum common voltage of the liquid crystal panel, due to the reduced sensitivity of the photosensitive sensor in response to different wavelengths of light optimum common voltage deviation caused by the difference, do not significantly effect the quality guarantee delivery of a liquid crystal panel and a liquid crystal panel

[0054] 以上所述,对于本领域的普通技术人员来说,可以根据本发明的技术方案和技术构思作出其他各种相应的改变和变形,而所有这些改变和变形都应属于本发明权利要求的保护范围。 [0054] The above, those of ordinary skill in the art, can make various corresponding modifications and other variations according to the technical idea and the technical solutions of the present invention, and all such changes and modifications shall belong to the claimed invention the scope of protection.

Claims (9)

1. 一种调节液晶面板公共电压的方法,其特征在于,包括如下步骤: 步骤1、提供液晶面板(100)、感光探头(Iio)、及与所述感光探头(Iio)电性连接的闪烁感测器(140); 步骤2、所述液晶面板(100)分别显示红色、绿色、和蓝色闪烁测试画面,使用所述感光探头(110)与闪烁感测器(140)分别获取红色、绿色、和蓝色闪烁测试画面的闪烁值,并分别在红色、绿色、和蓝色闪烁测试画面的显示期间调整液晶面板的公共电压,分别找到对应于红色、绿色、和蓝色闪烁测试画面闪烁最小值时的红色最佳公共电压、绿色最佳公共电压、 和蓝色最佳公共电压; 步骤3、所述液晶面板(100)分别显示红色、绿色、和蓝色纯色画面,使用所述感光探头(110)与闪烁感测器(140)分别获得红色、绿色、和蓝色纯色画面的亮度; 步骤4、依据红色、绿色、和蓝色纯色画面的亮度分别 A liquid crystal panel common voltage adjusting method comprising the following steps: Step 1, a liquid crystal panel (100), the photosensitive probe (Iio), and electrically connected to the photosensitive probe (Iio) scintillation sensor (140); step 2, the liquid crystal panel (100) respectively displaying red, green, and blue picture flashing test, using the photosensitive probe (110) and the scintillation sensor (140) are respectively acquired red, green, and blue values ​​of flicker test screen flicker, and the common voltage are adjusted flicker during the display of the liquid crystal panel screen testing in the red, green, and blue, respectively to find corresponding to red, green, and blue flicker flicker test red minimum optimum common voltage, the common voltage optimum green, and blue optimum common voltage; step 3, the liquid crystal panel (100) respectively displaying red, green, and blue solid color screen to use the photosensitive probe (110) and the scintillation sensor (140) respectively luminances of the red, green, and blue picture solid; step 4, based on the brightness of the red, green, and blue pictures are solid 计算红色、绿色、和蓝色亮度权重因子,计算公式为: Calculated red, green, and blue luminance weight factor, calculated as:
Figure CN105047117BC00021
其中,ar为红色亮度权重因子,CXg为绿色亮度权重因子,ab为蓝色亮度权重因子,r为红色纯色画面的亮度值,g为绿色纯色画面的亮度值、b为蓝色纯色画面的亮度值; 步骤5、依据红色、绿色、和蓝色亮度权重因子以及红色最佳公共电压、绿色最佳公共电压、和蓝色最佳公共电压计算液晶面板最佳公共电压,计算公式为: Vw=Cir X Vr+cig X Vg+〇b X Vb 其中,Vw为液晶面板最佳公共电压,Vr为红色最佳公共电压,VgS绿色最佳公共电压,Vb 为蓝色最佳公共电压; 步骤6、将步骤5计算出的液晶面板最佳公共电压写入可编程伽马校正芯片,调节结束; 所述步骤2中红色最佳公共电压、绿色最佳公共电压、和蓝色最佳公共电压互不相同。 Wherein, ar weighting factors red luminance weight, CXg green luminance weighting factor, ab blue luminance weighting factor, r is the luminance value of the red solid color screen, g is the luminance value of green solid picture, b is the luminance of the blue solid screen value; step 5, calculate the optimum common voltage based on the liquid crystal panel the red, green, blue and red luminance weighting factor and the optimum common voltage, the common voltage optimum green, and blue optimum common voltage, is calculated as follows: Vw = Cir X Vr + cig X Vg + 〇b wherein X Vb, and Vw is the optimum liquid crystal panel common voltage, Vr is red optimum common voltage, the common voltage Vgs best green, Vb blue optimum common voltage; step 6, step 5 calculates the optimum liquid crystal panel common voltage written to the programmable chip gamma correction, the end of the regulation; the optimum common voltage step in the red, green optimum common voltage, the common voltage and the best blue 2 different from each other .
2. 如权利要求1所述的调节液晶面板公共电压的方法,其特征在于,所述步骤2中液晶面板(100)先显示红色闪烁测试画面,使用所述感光探头(110)与闪烁感测器(140)获取红色闪烁测试画面的闪烁值,并在红色闪烁测试画面的显示期间调整液晶面板的公共电压, 找到对应于红色测试画面闪烁最小值时的红色最佳公共电压;然后液晶面板(100)显示绿色闪烁测试画面,使用所述感光探头(110)与闪烁感测器(140)获取绿色闪烁测试画面的闪烁值,并在绿色闪烁测试画面的显示期间调整液晶面板的公共电压,找到对应于绿色测试画面闪烁最小值时的绿色最佳公共电压;最后液晶面板(100)显示蓝色闪烁测试画面,使用所述感光探头(110)与闪烁感测器(140)获取蓝色闪烁测试画面的闪烁值,并在蓝色闪烁测试画面的显示期间调整液晶面板的公共电压,找到对应于蓝色测 2. The method of adjusting the common voltage of the liquid crystal panel as claimed in claim 1, wherein the liquid crystal panel 2 in step (100) to flashing red screen test, using the photosensitive probe (110) and the scintillator sensing (140) acquires flashing red test screen flicker value, and adjusts the common voltage of the liquid crystal display panel during a flashing red screen test, to find the best red when a common voltage corresponding to the minimum flashing red screen test; and a liquid crystal panel ( 100) flashes green test screen, using the photosensitive probe (110) and the scintillation sensor (140) acquires the flicker test screen flashing green value, and adjusts the common voltage of the liquid crystal panel during the test screen displayed flashing green, found corresponding to the minimum green flickering green test optimum common voltage; the last liquid crystal panel (100) screen blue flashing test, using the photosensitive probe (110) and the scintillation sensor (140) acquires the flicker test blue adjusting the liquid crystal panel flicker value during the display screen, and screen flicker test blue common voltage measurement corresponding to blue found 试画面闪烁最小值时的蓝色最佳公共电压。 Blue screen again when the optimum common voltage flicker minimum.
3. 如权利要求1所述的调节液晶面板公共电压的方法,其特征在于,所述步骤3中液晶面板(100)先显示红色纯色画面,使用所述感光探头(110)与闪烁感测器(140)获得红色纯色画面的亮度;然后液晶面板(100)显示绿色纯色画面,使用所述感光探头(110)与闪烁感测器(140)获得绿色纯色画面的亮度;最后液晶面板(100)显示蓝色纯色画面,使用所述感光探头(110)与闪烁感测器(140)获得蓝色纯色画面的亮度。 A method as claimed in adjusting the liquid crystal panel 1 according to a common voltage using the photosensitive probe (110) and the scintillator sensors, characterized in that, in step 3 the liquid crystal panel (100) screen to display a solid color red, (140) obtaining a solid color screen brightness red; and a liquid crystal panel (100) screen green solid, using the photosensitive probe (110) and the scintillation sensor (140) to obtain a screen luminance of the green solid; last liquid crystal panel (100) solid blue screen, using the photosensitive probe (110) and the scintillation sensor (140) to obtain the screen luminance of the blue solid.
4. 如权利要求1所述的调节液晶面板公共电压的方法,其特征在于,所述步骤2中液晶面板(100)以同一特定灰阶分别显示红色、绿色、和蓝色闪烁测试画面。 The method of adjusting the common voltage of the liquid crystal panel as claimed in claim 1, wherein said liquid crystal panel in step 2 (100) are displayed at the same specific grayscale of red, green, and blue screen flicker test.
5. 如权利要求4所述的调节液晶面板公共电压的方法,其特征在于,所述步骤3中液晶面板(100)以所述同一特定灰阶分别显示红色、绿色、和蓝色纯色画面。 5. The method of adjusting the common voltage of the liquid crystal panel according to claim 4, wherein said step 3 in the liquid crystal panel (100) to the same particular grayscale display red, green, and blue picture solid.
6. 如权利要求1所述的调节液晶面板公共电压的方法,其特征在于,所述感光探头(110)为光敏二极管。 The method of adjusting the common voltage of the liquid crystal panel as claimed in claim 1, wherein said photosensitive probe (110) is a photodiode.
7. 如权利要求1所述的调节液晶面板公共电压的方法,其特征在于,所述步骤1还提供与所述液晶面板(100)电性连接的时序控制器(120)、及与所述时序控制器(120)电性连接的测试信号发生器(130)。 7. The method of adjusting the common voltage of the liquid crystal panel as claimed in claim 1, wherein said step of providing a further timing controller (120) and the liquid crystal panel (100) electrically connected, and the the timing controller (120) a test signal generator (130) is electrically connected.
8. 如权利要求7所述的调节液晶面板公共电压的方法,其特征在于,所述步骤2通过测试信号发生器(130)与时序控制器(120)控制所述液晶面板(100)分别显示红色、绿色、和蓝色闪烁测试画面。 8. The method of adjusting the common voltage of the liquid crystal panel as claimed in claim 7, wherein said step of controlling the liquid crystal panel 2 by the test signal generator (130) and the timing controller (120) (100) show red, green, and blue flashing test screen.
9. 如权利要求7所述的调节液晶面板公共电压的方法,其特征在于,所述步骤3通过测试信号发生器(130)与时序控制器(120)控制所述液晶面板(100)分别显示红色、绿色、和蓝色纯色画面。 9. The method of adjusting the common voltage of the liquid crystal panel as claimed in claim 7, wherein said step of controlling the liquid crystal panel 3 by the test signal generator (130) and the timing controller (120) (100) show red, green, and blue solid color screen.
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