Claims (8)
一種將顯示器面板之白色亮度參數導入依據顯示器面板原始三原色及白色的光學特性計算灰階白平衡增益值以提高其灰階白平衡調校精準度之方法，係應用於一顯示器上，該顯示器之一面板上所呈現之一影像之色彩係對應於一組刺激值，該組刺激值包括三刺激值，該面板係利用該組刺激值混成色彩，使該色彩能對應至一灰階值，該方法包括下列步驟：在該面板上顯示一第一白色影像，該第一白色影像具有一設定灰階值；以儀器測量該第一白色影像之色度及亮度，以取得對應之一組原始白色測量刺激值；在該面板上顯示具有該設定灰階值的一全紅色影像，並以儀器測量該全紅色影像之色度與亮度，以取得對應之一組紅色測量刺激值；在該面板上顯示具有該設定灰階值的一全綠色影像，並以儀器測量該全綠色影像之色度與亮度，以取得對應之一組綠色測量刺激值；在該面板上顯示具有該設定灰階值的一全藍色影像，並以儀器測量該全藍色影像之色度與亮度，以取得對應之一組藍色測量刺激值；計算該面板之一白色亮度曲線值；計算與一理想白色影像相對應之一組理想白色刺激值；依照色彩混合定律，並根據該原始白色測量刺激值、紅色測量刺激值、綠色測量刺激值及藍色測量刺激值，計算出一第一色彩混合比例；依照色彩混合定律，並根據該理想白色刺激值、紅色測量刺激值、綠色測量刺激值及藍色測量刺激值，計算出一第二色彩混合比例；依據該第一色彩混合比例及該第二色彩混合比例之比值，計算出一初始紅色增益值、一初始綠色增益值及一初始藍色增益值；及將該白色亮度曲線值分別與該初始紅色增益值、初始綠色增益值及初始藍色增益值進行計算，以分別取得一最終紅色增益值、一最終綠色增益值及一最終藍色增益值。
A method for introducing a white brightness parameter of a display panel into a gray scale white balance gain value according to the original three primary colors of the display panel and white optical characteristics to improve the gray scale white balance adjustment precision is applied to a display, the display is The color of one of the images presented on one panel corresponds to a set of stimulation values, the set of stimulation values includes tristimulus values, and the panel uses the set of stimulation values to blend colors so that the color can correspond to a grayscale value. The method includes the following steps: displaying a first white image on the panel, the first white image having a set grayscale value; measuring the chromaticity and brightness of the first white image by an instrument to obtain a corresponding group of original white Measuring a stimulus value; displaying a full red image having the set grayscale value on the panel, and measuring the chromaticity and brightness of the full red image by an instrument to obtain a corresponding one set of red measurement stimulation values; on the panel Displaying a full green image with the set grayscale value, and measuring the chromaticity and brightness of the full green image by an instrument to obtain a corresponding group of green a stimulus value; displaying a full blue image with the set grayscale value on the panel, and measuring the chromaticity and brightness of the full blue image by an instrument to obtain a corresponding set of blue measurement stimulus values; a white brightness curve value of the panel; calculating a set of ideal white stimulus values corresponding to an ideal white image; according to the color mixing law, and measuring the stimulus value according to the original white, the red measurement stimulus value, the green measurement stimulus value, and the blue Color measuring the stimulus value, calculating a first color mixing ratio; calculating a second color mixing according to the color mixing law, and according to the ideal white stimulus value, the red measured stimulus value, the green measured stimulus value, and the blue measured stimulus value a ratio according to the ratio of the first color mixing ratio and the second color mixing ratio, an initial red gain value, an initial green gain value, and an initial blue gain value are calculated; and the white brightness curve values are respectively associated with the The initial red gain value, the initial green gain value, and the initial blue gain value are calculated to obtain a final red gain value, one Final green blue gain value and a final gain value.
如請求項1所述之方法，其中測量該白色亮度曲線值之方法，係在該面板上顯示一最高灰階之白色影像，並依據該最高灰階之白色影像、第一白色影像及全黑色影像之亮度與灰階值，計算該白色亮度曲線值。
The method of claim 1, wherein the method for measuring the value of the white brightness curve displays a white image of the highest gray level on the panel, and according to the white image of the highest gray level, the first white image and all black The brightness and grayscale values of the image are calculated, and the white brightness curve value is calculated.
如請求項2所述之方法，其中在計算出該理想白色刺激值後，係透過下列步驟計算該等色彩比例：依照色彩混合定律，計算該紅色測量刺激值、綠色測量刺激值及藍色測量刺激值混合出該原始白色測量刺激值所需的色彩混合比例，作為該第一色彩混合比例；及依照色彩混合定律，計算該紅色測量刺激值、綠色測量刺激值
及藍色測量刺激值混合出該理想白色刺激值所需的色彩混合比例，作為該第二色彩混合比例。
The method of claim 2, wherein after calculating the ideal white stimulus value, calculating the color ratios by calculating the red measurement stimulus value, the green measurement stimulation value, and the blue measurement according to the color mixing law The stimulus value is mixed with the color mixing ratio required for the original white measurement stimulation value as the first color mixing ratio; and the red measurement stimulation value and the green measurement stimulation value are calculated according to the color mixing law
And the color measurement ratio required to mix the ideal white stimulus value with the blue measurement stimulus value as the second color mixing ratio.
如請求項2所述之方法，其中在計算出該紅色測量刺激值、綠色測量刺激值及藍色測量刺激值後，尚能在該顯示器上顯示一灰階值為零的一全黑色影像，並以儀器測量該全黑色影像之色度與亮度，以取得對應之一組黑色測量刺激值；俟計算出該白色亮度曲線值後，即能以下列步驟計算該等色彩比例：將該組原始白色測量刺激值、紅色測量刺激值、綠色測量刺激值及藍色測量刺激值分別扣除該組黑色測量刺激值，以分別取得一原始白色校正刺激值、一紅色校正刺激值、一綠色校正刺激值及一藍色校正刺激值；將該理想白色刺激值扣除該黑色測量刺激值，以取得一理想白色校正刺激值；依照色彩混合定律，計算該紅色校正刺激值、綠色校正刺激值及藍色校正刺激值混合出該原始白色校正刺激值所需的色彩混合比例，作為該第一色彩混合比例；及依照色彩混合定律，計算該紅色校正刺激值、綠色校正刺激值及藍色校正刺激值混合出該理想白色校正刺激值所需的色彩混合比例，作為該第二色彩混合比例。
The method of claim 2, wherein after calculating the red measurement stimulus value, the green measurement stimulation value, and the blue measurement stimulation value, a full black image with a grayscale value of zero can still be displayed on the display. And measuring the chromaticity and brightness of the all black image by an instrument to obtain a corresponding group of black measurement stimulus values; 俟 after calculating the white brightness curve value, the color ratio can be calculated by the following steps: the original group The white measurement stimulation value, the red measurement stimulation value, the green measurement stimulation value, and the blue measurement stimulation value are respectively deducted from the set of black measurement stimulation values to obtain an original white corrected stimulation value, a red corrected stimulation value, and a green corrected stimulation value, respectively. And a blue corrected stimulus value; the ideal white stimulus value is subtracted from the black measured stimulus value to obtain an ideal white corrected stimulus value; and the red corrected stimulus value, the green corrected stimulus value, and the blue correction are calculated according to the color mixing law The stimulus value mixes the color mixing ratio required for the original white corrected stimulus value as the first color mixing ratio; and according to the color The mixing law calculates a color mixing ratio required to mix the red corrected stimulation value, the green corrected stimulation value, and the blue corrected stimulation value to the ideal white corrected stimulation value as the second color mixing ratio.
如請求項3或4所述之方法，其中在計算出該等初始紅色增益值、初始綠色增益值及初始藍色增益值後，係將該等增益值分別取該白色亮度曲線值之倒數次方值，再放大2的冪次方倍
後，以分別取得該最終紅色增益值、最終綠色增益值及最終藍色增益值。
The method of claim 3 or 4, wherein after calculating the initial red gain value, the initial green gain value, and the initial blue gain value, the gain values are respectively taken to be the inverse of the white brightness curve value. Square value, then enlarge the power of 2
Thereafter, the final red gain value, the final green gain value, and the final blue gain value are respectively obtained.
如請求項5所述之方法，其中該2的冪次方倍為128倍。
The method of claim 5, wherein the power of the power of 2 is 128 times.
如請求項6所述之方法，其中在計算出該最終紅色增益值、最終綠色增益值及最終藍色增益值後，該最終紅色增益值、最終綠色增益值及最終藍色增益值係被設定至該顯示器，使該顯示器能據以調校該面板之色彩表現。
The method of claim 6, wherein the final red gain value, the final green gain value, and the final blue gain value are set after the final red gain value, the final green gain value, and the final blue gain value are calculated. To the display, the display can be used to adjust the color performance of the panel.
如請求項6所述之方法，其中在計算出該最終紅色增益值、最終綠色增益值及最終藍色增益值後，該最終紅色增益值、最終綠色增益值及最終藍色增益值將被寫入一色彩描述檔中，且該色彩描述檔能被提供予一電子裝置，以在該電子裝置與該顯示器相連接的情況下，該電子裝置能根據該色彩描述檔，調校該顯示器之影像訊號。The method of claim 6, wherein the final red gain value, the final green gain value, and the final blue gain value are written after the final red gain value, the final green gain value, and the final blue gain value are calculated. Entering a color description file, and the color description file can be provided to an electronic device, wherein the electronic device can adjust the image of the display according to the color description file when the electronic device is connected to the display device Signal.