JP2004146936A5 - - Google Patents
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- JP2004146936A5 JP2004146936A5 JP2002307198A JP2002307198A JP2004146936A5 JP 2004146936 A5 JP2004146936 A5 JP 2004146936A5 JP 2002307198 A JP2002307198 A JP 2002307198A JP 2002307198 A JP2002307198 A JP 2002307198A JP 2004146936 A5 JP2004146936 A5 JP 2004146936A5
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前記ガンマ補正手段の前記被補正３原色信号に基づき、前記入力３原色信号によって与えられる第１画像を表示する画像表示部と、
前記被補正３原色信号のそれぞれに対して１画面当りに関する平均化処理を行って、前記入力３原色信号それぞれの平均の明るさを与える被平均化３原色信号を生成して出力する平均の明るさ算出手段と、
少なくとも１種類の測定用１画面を与える３原色テストパターン信号を出力するテストパターン発生手段と、
前記画像表示部の発光特性と同一の発光特性、及び前記画像表示部の経時変化特性と同一の経時変化特性を有し、通常動作期間においては前記被平均化３原色信号に対応する第２画像を表示する一方、補正期間においては前記３原色テストパターン信号に対応する第３画像を表示する測定用表示部と、
前記測定用表示部の表示面に対向して配置され、前記補正期間において前記測定用表示部が表示する前記第３画像の前記３原色の明るさを検出して、被検出３原色明るさ信号を出力する光センサと、
前記被検出３原色明るさ信号に基づいて、前記第１画像のホワイトバランスを補正する変換データを生成して出力するガンマ補正制御部とを備え、
前記ガンマ補正手段は、前記変換データに基づき前記ガンマ補正を行うことを特徴とするカラーディスプレイ装置。Performs gamma correction on input three primary color signals, gamma correction means for outputting a target correction three primary color signals after the correction,
An image display unit for displaying a first image given by the input three primary color signals based on the corrected three primary color signals of the gamma correction means ;
Before SL performing an averaging process for one screen per for each of the correction three primary color signals, giving the average brightness of the input three primary color signals respective mean generating and outputting a target averaging three primary color signals Brightness calculation means ;
A test pattern generating means for output the three primary color test pattern signals to provide one type of measuring one screen even without low,
A second image corresponding to the averaged three-primary-color signals in a normal operation period, having the same light-emission characteristic as the light-emission characteristic of the image display unit and the time-change characteristic same as the time-change characteristic of the image display unit In the correction period, a measurement display unit that displays a third image corresponding to the three primary color test pattern signals;
Disposed opposite to the display surface of the front Symbol measurement display unit, detected and the brightness of the three primary colors of the previous SL third image that displays said measurement display unit in the correction period, the detected 3 an optical sensor that output the primary color brightness signal,
Before SL based on the detected three primary color brightness signal, and a pre-Symbol gamma correction control unit that white balance to produce a converted data you correct the outputs of the first image,
The gamma correction means, based on the prior SL-varying 換De over data the gamma correction characteristic and to Luke color display device that performs.
前記ガンマ補正手段の前記被補正３原色信号に基づき前記３原色に関する第１駆動信号を生成し、前記第１駆動信号を出力する画像表示部駆動手段と、
前記第１駆動信号に基づき、前記入力３原色信号によって与えられる第１画像を表示する画像表示部と、
前記画像表示部の第１発光特性と同一の第２発光特性及び前記画像表示部の第１経時変化特性と同一の第２経時変化特性を有し、通常動作期間においては第２画像を表示する一方、補正期間においては第３画像を表示する測定用表示部と、
前記ガンマ補正手段の前記被補正３原色信号のそれぞれに対して１画面当りに関する平均化処理を行って、前記入力３原色信号それぞれの平均の明るさを与える被平均化３原色信号を生成し、前記被平均化３原色信号を出力する平均の明るさ算出手段と、
少なくとも１種類の測定用１画面を与える３原色テストパターン信号を保有すると共に、前記３原色テストパターン信号を出力するテストパターン発生手段と、
第１制御信号のレベルに応じて、前記平均の明るさ算出手段から出力された前記被平均化３原色信号を出力する第１の接続、または前記テストパターン発生手段から出力された前記３原色テストパターン信号を出力する第２の接続とを切替える切換手段と、
前記切換手段の出力信号に基づき前記３原色に関する第２駆動信号を生成し、前記第２駆動信号を出力する測定用表示部駆動手段と、
前記通常動作期間においては前記切換手段に対して前記第１接続を指令する第１レベルを有する一方、前記補正期間においては前記切換手段に対して前記第２接続を指令する第２レベルを有する前記第１制御信号を生成して出力する切換手段制御部と、
前記測定用表示部の表示面に対向配置されており、前記補正期間において前記測定用表示部が表示する、測定用基本パターンである前記第３画像の前記３原色の明るさを検出して、被検出３原色明るさ信号を出力する光センサと、
前記測定用表示部駆動手段において前記３原色テストパターン信号より生成される前記第２駆動信号のレベルデータを保有しており、前記レベルデータ及び前記被検出３原色明るさ信号に基づいて、少なくとも前記第１画像のホワイトバランスを補正するために必要な前記第１駆動信号の補正量に相当する変換テーブルデータを生成し、前記変換テーブルデータを第２制御信号として出力するガンマ補正制御部とを備え、
前記ガンマ補正手段は、前記第２制御信号が与える前記変換テーブルデータに基づき前記ガンマ補正を行うことを特徴とする、カラーディスプレイ装置。Performs gamma correction on input three primary color signals, gamma correction means for output the object to be corrected three primary color signals after the correction,
Wherein generating the first drive signal related to the three primary colors based on the corrected three primary color signals, an image display unit drive means for output the first driving signal of the gamma correction means,
Based on the previous SL first driving signal, and an image display unit for displaying the first image given by the input three primary color signals,
Before SL has a first light emitting characteristic and the same second emission characteristics and a second aging characteristics identical to the first aging characteristic of the image display unit of the image display unit, displays a second image in the normal operation period On the other hand, a measurement display unit that displays the third image in the correction period;
Averaging processing for one screen is performed on each of the three primary color signals to be corrected by the gamma correction unit to generate an average three primary color signal that gives an average brightness of each of the three input primary color signals. an average brightness calculation means for output the device under averaging three primary color signals,
Even without least with carrying three primary test pattern signals to provide one type of measuring one screen, and the test pattern generating means for output the said three primary color test pattern signal,
Depending on the level of the first control signal, the first connection or the three primary colors test output from the test pattern generating means for outputting the target averaging three primary color signals output from the brightness calculation means of the average Switching means for switching between the second connection for outputting the pattern signal ;
Generating a second driving signal for said three primary colors based on the output signal of said switching means, a measurement display unit drive means for output the second driving signal,
In prior Symbol normal operation period while having a first level to command the first connection to said switching means, it said in correction period has a second level for commanding said second connection to said switching means and switching means control unit for force out by generating the first control signal,
Detecting the brightness of the three primary colors of the third image, which is a basic pattern for measurement, which is disposed opposite to the display surface of the measurement display unit and displayed by the measurement display unit in the correction period; an optical sensor for force out the detected three primary color brightness signal,
Holds the level data of the second drive signal generated from the three primary color test pattern signal before Symbol measurement display unit drive means, said level data and said on the basis of the detected three primary color brightness signal, at least wherein generating the conversion table data corresponding to the correction amount of the first driving signal necessary for correcting the white balance of the first image, the gamma correction control unit which forces out the conversion table data as the second control signal And
The color display device according to claim 1 , wherein the gamma correction unit performs the gamma correction based on the conversion table data provided by the second control signal.
前記ガンマ補正制御部は、
（ａ） 前記レベルデータ及び前記被検出３原色明るさ信号に基づいて、前記３原色に関する、前記第２駆動信号と前記第３画像における明るさとの関係を示す近似曲線を与えるデータを生成する手段と、
（ｂ） 前記第１画像における前記３原色それぞれの明るさの比率を所定の比率とするために必要な、前記３原色の内の基準色に関する前記第１駆動信号の第１レベルに対する他の２色に関する前記第１駆動信号の第２及び第３レベルを与える暫定的変換テーブルデータを、前記近似曲線データに基づいて生成する手段と、
（ｃ） 前記第１駆動信号の前記第１レベルに対して、▲１▼前記基準色に関しては前記第１駆動信号の前記第１レベル自体を前記第１駆動信号の第１補正レベルとして与え、▲２▼前記他の２色の一方に関しては前記第１駆動信号の前記第１レベルと前記第２レベルとで規定され且つ前記第１及び第２レベルを除く範囲内のレベルを前記第１駆動信号の第２補正レベルとして与え、且つ、▲３▼前記他の２色の他方に関しては前記第１駆動信号の前記第１レベルと前記第３レベルとで規定され且つ前記第１及び第３レベルを除く範囲内のレベルを前記第１駆動信号の第３補正レベルとして与える制限補正テーブルデータに基づき、前記変換テーブルデータを決定する手段とを更に有することを特徴とする、
カラーディスプレイ装置。The color display device according to claim 2 ,
The gamma correction control unit
(A) Based on the level data and the detected three primary color brightness signals, means for generating data that gives an approximate curve indicating the relationship between the second drive signal and the brightness in the third image for the three primary colors When,
(B) Other two to the first level of the first drive signal relating to the reference color of the three primary colors necessary for setting the ratio of the brightness of each of the three primary colors in the first image to a predetermined ratio. Means for generating provisional conversion table data for providing second and third levels of the first drive signal relating to color based on the approximate curve data;
(C) With respect to the first level of the first drive signal, (1) for the reference color, the first level of the first drive signal itself is given as a first correction level of the first drive signal; (2) For one of the other two colors, a level within the range defined by the first level and the second level of the first drive signal and excluding the first and second levels is set to the first drive. A second correction level of the signal, and (3) the other of the other two colors is defined by the first level and the third level of the first drive signal, and the first and third levels. And a means for determining the conversion table data based on limit correction table data that gives a level within a range excluding as a third correction level of the first drive signal.
Color display device.
所定の時点からの経過時間を計測するタイマを更に備えており、
前記ガンマ補正制御部は、
前記経過時間に対する第１補正係数及び第２補正係数を与え、前記測定用表示部を含む測定系の経時変化特性に基づき定められる補正係数テーブルデータを記憶する手段を更に有しており、
（ａ） 前記レベルデータ及び前記被検出３原色明るさ信号に基づいて、前記３原色に関する、前記第２駆動信号と前記第３画像における明るさとの関係を示す近似曲線を与えるデータを生成する手段と、
（ｂ） 前記第１画像における前記３原色それぞれの明るさの比率を所定の比率とするために必要な、前記３原色の内の基準色に関する前記第１駆動信号の第１レベルに対する他の２色に関する前記第１駆動信号の第２及び第３レベルを与える暫定的変換テーブルデータを、前記近似曲線データに基づいて生成する手段と、
（ｃ） 前記タイマの計測結果に応じて前記補正期間の開始時に対応する現経過時間を求めて、当該現経過時間における前記第１及び第２補正係数の値を前記補正係数テーブルデータより読み取る手段と、
（ｄ） 前記第１駆動信号の前記第１レベルに対して、▲１▼前記基準色に関しては前記第１駆動信号の前記第１レベル自体を前記第１駆動信号の第１補正レベルとして与え、▲２▼前記他の２色の一方に関しては、前記第１補正係数を用いた第１制限処理を前記第１駆動信号の前記第２レベルに実行して得られる第１制限レベルを前記第１駆動信号の第２補正レベルとして与え、且つ、▲３▼前記他の２色の他方に関しては、前記第２補正係数を用いた第２制限処理を前記第１駆動信号の前記第３レベルに実行して得られる第２制限レベルを前記第１駆動信号の第３補正レベルとして与える制限補正テーブルデータを生成する手段と、
（ｅ） 前記制限補正テーブルデータに基づき、前記変換テーブルデータを決定する手 段とを更に有することを特徴とする、
カラーディスプレイ装置。The color display device according to claim 2 ,
A timer for measuring the elapsed time from a predetermined time point ;
The gamma correction control unit
Providing a first correction coefficient and the second correction coefficient for the elapsed time, and further comprising means for storing a correction coefficient table data that is determined based on the temporal change characteristics of a measurement system including the measurement display unit,
(A ) Based on the level data and the detected three primary color brightness signals, means for generating data that provides an approximate curve indicating the relationship between the second drive signal and the brightness in the third image for the three primary colors When,
(B) Other two to the first level of the first drive signal relating to the reference color of the three primary colors necessary for setting the ratio of the brightness of each of the three primary colors in the first image to a predetermined ratio. Means for generating provisional conversion table data for providing second and third levels of the first drive signal relating to color based on the approximate curve data;
(C) seeking the current elapsed time corresponding to the start of the correction period in accordance with the timer measurement result, means for reading the value of said first and second correction coefficient in the current elapsed time from the correction coefficient table data When,
(D) With respect to the first level of the first drive signal, (1) for the reference color, the first level of the first drive signal itself is given as a first correction level of the first drive signal; (2) For one of the other two colors, the first limit level obtained by executing the first limit process using the first correction coefficient on the second level of the first drive signal is the first limit level. The second correction level of the drive signal is given, and (3) for the other of the other two colors, the second restriction process using the second correction coefficient is executed on the third level of the first drive signal. Means for generating limit correction table data that gives the second limit level obtained as a third correction level of the first drive signal;
Based on the (e) the limit correction table data, further characterized by having a means to determine the conversion table data,
Color display device.
所定の時点からの経過時間を計測するタイマを更に備えており、
前記補正期間は、少なくとも、先行する第１補正期間と、前記第１補正期間よりも遅い第２補正期間とを含み、
前記ガンマ補正制御部は、
少なくとも、前記第１補正期間の開始時に相当する第１経過時間に対する第１補正係数及び第２補正係数と、前記第２補正期間の開始時に相当する第２経過時間に対する第１補正係数及び第２補正係数とを与え、前記測定用表示部を含む測定系の経時変化特性に基づき定められる補正係数テーブルデータを記憶する手段を更に有しており、
（ａ） 前記第１及び第２補正期間の各々において得られる前記被検出３原色明るさ信号を受信する毎に、前記レベルデータ及び前記被検出３原色明るさ信号に基づいて、前記３原色に関する、前記第２駆動信号と前記第３画像における明るさとの関係を示す近似曲線を与えるデータを生成する手段と、
（ｂ） 前記第１及び第２補正期間の各々に対応する前記近似曲線データの生成毎に、前記第１画像における前記３原色それぞれの明るさの比率を所定の比率とするために必要な、前記３原色の内の基準色に関する前記第１駆動信号の第１レベルに対する他の２色に関する前記第１駆動信号の第２及び第３レベルを与える暫定的変換テーブルデータを、前記近似曲線データに基づいて生成する手段と、
（ｃ） 前記タイマの計測結果に応じて、前記第１経過時間に対する前記第１及び第２補正係数と、前記第２経過時間に対する前記第１及び第２補正係数とを、それぞれ前記第１及び第２経過時間において前記補正係数テーブルデータより読み取る手段と、
（ｄ） 前記第１及び第２補正期間の各々に対応する前記暫定的変換テーブルデータの生成毎に、前記第１駆動信号の前記第１レベルに対して、▲１▼前記基準色に関しては前記第１駆動信号の前記第１レベル自体を前記第１駆動信号の第１補正レベルとして与え、▲２▼前記他の２色の一方に関しては、前記第１補正係数を用いた第１制限処理を前記第１駆動信号の前記第２レベルに実行して得られる第１制限レベルを前記第１駆動信号の第２補正レベルとして与え、且つ、▲３▼前記他の２色の他方に関しては、前記第２補正係数を用いた第２制限処理を前記第１駆動信号の前記第３レベルに実行して得られる第２制限レベルを前記第１駆動信号の第３補正レベルとして与える制限補正テーブルデータを生成する手段と、
（ｅ） 前記第１及び第２補正期間の各々に対応する前記制限補正テーブルデータの生成毎に、前記制限補正テーブルデータに基づき、前記変換テーブルデータを決定する手段と、
（ｆ） 前記第１及び第２補正期間の各々に対応する前記変換テーブルデータの生成毎に、前記変換テーブルデータを前記第２制御信号として出力する手段とを更に有することを特徴とする、
カラーディスプレイ装置。The color display device according to claim 2 ,
A timer for measuring the elapsed time from a predetermined time point ;
The correction period includes at least a preceding first correction period and a second correction period later than the first correction period,
The gamma correction control unit
At least a first correction coefficient and a second correction coefficient for the first elapsed time corresponding to the start of the first correction period, and a first correction coefficient and a second correction coefficient for the second elapsed time corresponding to the start of the second correction period. gives a correction factor, and further comprising means for storing a correction coefficient table data that is determined based on the temporal change characteristics of a measurement system including the measurement display unit,
(A ) Each time the detected three primary color brightness signals obtained in each of the first and second correction periods are received, the three primary colors are related based on the level data and the detected three primary color brightness signals. Means for generating data giving an approximate curve indicating a relationship between the second drive signal and the brightness in the third image;
(B) Every time the approximate curve data corresponding to each of the first and second correction periods is generated, the brightness ratio of each of the three primary colors in the first image is required to be a predetermined ratio. Temporary conversion table data that gives the second and third levels of the first drive signal for the other two colors with respect to the first level of the first drive signal for the reference color of the three primary colors is used as the approximate curve data. Means for generating based on,
(C) According to the measurement result of the timer, the first and second correction coefficients for the first elapsed time and the first and second correction coefficients for the second elapsed time are the first and second correction coefficients, respectively. Means for reading from the correction coefficient table data at a second elapsed time;
(D) Every time the provisional conversion table data corresponding to each of the first and second correction periods is generated, with respect to the first level of the first drive signal, (1) the reference color is The first level of the first drive signal itself is given as the first correction level of the first drive signal. (2) For one of the other two colors, a first limiting process using the first correction coefficient is performed. A first restriction level obtained by executing the second level of the first drive signal is given as a second correction level of the first drive signal, and (3) the other of the other two colors is Limit correction table data that provides a second limit level obtained by executing a second limit process using a second correction coefficient on the third level of the first drive signal as a third correction level of the first drive signal. Means for generating;
(E) means for determining the conversion table data based on the limit correction table data for each generation of the limit correction table data corresponding to each of the first and second correction periods;
(F) for each generation of the conversion table data corresponding to each of said first and second correction period, characterized by further comprising a means for force out by the conversion table data and the second control signal ,
Color display device.
所定の時点からの経過時間を計測するタイマを更に備えており、
前記補正期間は、少なくとも、先行する第１補正期間と、前記第１補正期間よりも遅い第２補正期間とを含み、
前記ガンマ補正制御部は、
前記第１補正期間の開始時に相当する第１経過時間に対する第１補正係数及び第２補正係数を与え、前記測定用表示部を含む測定系の経時変化特性に基づき定められる補正係数テーブルデータを記憶する手段を更に有しており、
（ａ） 前記第１補正期間において得られる前記被検出３原色明るさ信号の受信に応じて、前記レベルデータ及び前記被検出３原色明るさ信号に基づいて、前記３原色に関する、前記第２駆動信号と前記第３画像における明るさとの関係を示す近似曲線を与えるデータを生成する手段と、
（ｂ） 前記第１補正期間に対応する前記近似曲線データの生成に応じて、前記第１画像における前記３原色それぞれの明るさの比率を所定の比率とするために必要な、前記３原色の内の基準色に関する前記第１駆動信号の第１レベルに対する他の２色に関する前記第１駆動信号の第２及び第３レベルを与える暫定的変換テーブルデータを、前記近似曲線データに基づいて生成する手段と、
（ｃ） 前記タイマの計測結果に応じて、前記第１経過時間に対する前記第１及び第２補正係数を、前記第１経過時間において前記補正係数テーブルデータより読み取ると共に、前記第１補正係数よりも小さい値を有する第１先行補正係数と、前記第２補正係数よりも小さい値を有する第２先行補正係数とを生成する手段と、
（ｄ−１） 前記第１駆動信号の前記第１レベルに対して、▲１▼前記基準色に関しては前記第１駆動信号の前記第１レベル自体を前記第１駆動信号の第１補正レベルとして与え、▲２▼前記他の２色の一方に関しては、前記第１先行補正係数を用いた第１先行制限処理を前記第１駆動信号の前記第２レベルに実行して得られる第１先行制限レベルを前記第１駆動信号の第２先行補正レベルとして与え、且つ、▲３▼前記他の２色の他方に関しては、前記第２先行補正係数を用いた第２先行制限処理を前記第１駆動信号の前記第３レベルに実行して得られる第２先行制限レベルを前記第１駆動信号の第３先行補正レベルとして与える先行制限補正テーブルデータを生成する手段と、
（ｅ−１） 前記先行制限補正テーブルデータに基づき前記先行変換テーブルデータを決定し、前記先行変換テーブルデータを前記第２制御信号として出力する手段と、
（ｄ−２） 前記先行変換テーブルデータの出力後であって且つ前記第２補正期間の到来前の時点において、前記第１駆動信号の前記第１レベルに対して、▲１▼前記基準色に関しては前記第１駆動信号の前記第１レベル自体を前記第１駆動信号の第１補正レベルとして与え、▲２▼前記他の２色の一方に関しては、前記第１補正係数を用いた第１制限処理を前記第１駆動信号の前記第２レベルに実行して得られる第１制限レベルを前記第１駆動信号の第２補正レベルとして与え、且つ、▲３▼前記他の２色の他方に関しては、前記第２補正係数を用いた第２制限処理を前記第１駆動信号の前記第３レベルに実行して得られる第２制限レベルを前記第１駆動信号の第３補正レベルとして与える制限補正テーブルデータを生成する手段と、
（ｅ−２） 前記第２補正期間の到来前において、前記制限補正テーブルデータに基づき前記変換テーブルデータを決定し、前記変換テーブルデータを前記第２制御信号として出力する手段とを更に有することを特徴とする、
カラーディスプレイ装置。The color display device according to claim 2 ,
A timer for measuring the elapsed time from a predetermined time point ;
The correction period includes at least a preceding first correction period and a second correction period later than the first correction period,
The gamma correction control unit
Providing a first correction coefficient and the second correction coefficient for the first elapsed time corresponding to the beginning of the first correction period, the correction coefficient table data that is determined based on the temporal change characteristics of a measurement system including the measurement display unit Further comprising means for storing,
(A ) The second drive relating to the three primary colors based on the level data and the detected three primary color brightness signals in response to reception of the detected three primary color brightness signals obtained in the first correction period. Means for generating data giving an approximate curve indicating a relationship between the signal and the brightness in the third image;
(B) In accordance with the generation of the approximate curve data corresponding to the first correction period, the three primary colors necessary for setting the ratio of the brightness of each of the three primary colors in the first image to a predetermined ratio. Temporary conversion table data that gives the second and third levels of the first drive signal for the other two colors with respect to the first level of the first drive signal for the reference color is generated based on the approximate curve data Means ,
( C) According to the measurement result of the timer, the first and second correction coefficients for the first elapsed time are read from the correction coefficient table data at the first elapsed time and more than the first correction coefficient. Means for generating a first preceding correction coefficient having a small value and a second preceding correction coefficient having a value smaller than the second correction coefficient;
(D-1) With respect to the first level of the first drive signal, (1) For the reference color, the first level of the first drive signal itself is used as the first correction level of the first drive signal. (2) For one of the other two colors, a first preceding restriction obtained by executing a first preceding restriction process using the first preceding correction coefficient on the second level of the first drive signal. Level is given as the second preceding correction level of the first driving signal, and (3) for the other of the other two colors, a second preceding restriction process using the second preceding correction coefficient is applied to the first driving signal. Means for generating preceding restriction correction table data that gives a second preceding restriction level obtained by executing the third level of the signal as a third preceding correction level of the first drive signal;
(E-1) the previous conversion table data determined based on the prior limit correction table data, means for force out the preceding conversion table data as the second control signal,
(D-2) At the time after the output of the preceding conversion table data and before the arrival of the second correction period, with respect to the first level of the first drive signal, (1) the reference color Gives the first level of the first drive signal itself as the first correction level of the first drive signal. (2) For one of the other two colors, the first restriction using the first correction coefficient is used. A first limit level obtained by executing processing on the second level of the first drive signal is given as a second correction level of the first drive signal, and (3) regarding the other of the other two colors A limit correction table that gives a second limit level obtained by executing a second limit process using the second correction coefficient on the third level of the first drive signal as a third correction level of the first drive signal. Means for generating data;
In (e-2) before the arrival of the second correction period, said limiting the conversion table data determined based on the correction table data further comprises means for outputting the conversion table data as said second control signal Features
Color display device.
前記ガンマ補正制御部は、
前記第１画像の前記ホワイトバランス及び輝度の調整が完了した時点における、前記第１駆動信号に対する３原色それぞれの明るさを与える調整完了時テーブルデータを記憶する手段と、
前記調整完了時テーブルデータ、前記レベルデータ及び前記被検出３原色明るさ信号に基づいて、前記補正期間における前記第１画像の前記ホワイトバランス及び前記輝度がそれぞれ前記調整が完了した時点における前記第１画像の前記ホワイトバランス及び前記輝度に等しくなる様に、前記変換テーブルデータを生成する手段とを更に有することを特徴とする、
カラーディスプレイ装置。The color display device according to claim 2 ,
The gamma correction control unit
Means for storing adjustment completion table data that gives the brightness of each of the three primary colors for the first drive signal at the time when the adjustment of the white balance and luminance of the first image is completed;
Based on the adjustment completion table data, the level data, and the detected three primary color brightness signals, the white balance and the luminance of the first image in the correction period are respectively adjusted when the adjustment is completed . Means for generating the conversion table data so as to be equal to the white balance and the luminance of an image,
Color display device.
前記ガンマ補正制御部は、
（ａ） 前記レベルデータ及び前記被検出３原色明るさ信号に基づいて、前記３原色に関する、前記第２駆動信号と前記第３画像における明るさとの関係を示す近似曲線を与えるデータを生成する手段と、
（ｂ） 前記補正期間における前記第１画像の前記ホワイトバランス及び前記輝度を、前記調整完了時における前記第１画像の前記ホワイトバランス及び前記輝度に等しくするために必要な、前記３原色の第１、第２及び第３色に関する前記第１駆動信号の第１、第２及び第３レベルに対する第１、第２及び第３補正レベルを与える暫定的変換テーブルデータを、前記調整完了時テーブルデータ及び前記近似曲線データに基づいて生成する手段と、
（ｃ） ▲１▼前記第１色に関しては、前記調整完了時における前記第１駆動信号の前記第１レベルと前記第１補正レベルとで規定され且つ前記調整完了時における前記第１レベル及び前記第１補正レベルを除く範囲内のレベルを、前記第１駆動信号の前記第１レベルに対する、前記第１駆動信号の第１制限補正レベルとして与え、▲２▼前記第２色に関しては、前記調整完了時における前記第１駆動信号の前記第２レベルと前記第２補正レベルとで規定され且つ前記調整完了時における前記第２レベル及び前記第２補正レベルを除く範囲内のレベルを、前記第１駆動信号の前記第２レベルに対する、前記第１駆動信号の第２制限補正レベルとして与え、且つ、▲３▼前記第３色に関しては、前記調整完了時における前記第１駆動信号の前記第３レベルと前記第３補正レベルとで規定され且つ前記調整完了時における前記第３レベル及び前記第３補正レベルを除く範囲内のレベルを、前記第１駆動信号の前記第３レベルに対する、前記第１駆動信号の第３制限補正レベルとして与える制限補正テーブルデータを生成する手段と、
（ｄ） 前記制限補正テーブルデータに基づき前記変換テーブルデータを決定する手段とを更に有することを特徴とする、
カラーディスプレイ装置。The color display device according to claim 7 ,
The gamma correction control unit
(A) Based on the level data and the detected three primary color brightness signals, means for generating data that gives an approximate curve indicating the relationship between the second drive signal and the brightness in the third image for the three primary colors When,
(B) The first of the three primary colors required to make the white balance and the luminance of the first image in the correction period equal to the white balance and the luminance of the first image at the completion of the adjustment . , Provisional conversion table data giving first, second and third correction levels for the first, second and third levels of the first drive signal for the second and third colors, the adjustment completion table data and Means for generating based on the approximate curve data;
(C) ▲ 1 ▼ above with respect to the first color, the adjusting the said first level of said first driving signal at the completion time is defined by the first correction level and the adjustment completion said first level and said at A level within the range excluding the first correction level is given as a first limit correction level of the first drive signal with respect to the first level of the first drive signal. (2) For the second color, the adjustment A level defined by the second level and the second correction level of the first drive signal at the time of completion and within a range excluding the second level and the second correction level at the time of completion of the adjustment is the first level. As a second limit correction level of the first drive signal with respect to the second level of the drive signal, and (3) for the third color, the first drive signal of the first drive signal at the completion of the adjustment . A level within a range defined by three levels and the third correction level and excluding the third level and the third correction level when the adjustment is completed , with respect to the third level of the first drive signal. Means for generating limit correction table data to be provided as a third limit correction level of one drive signal;
(D) further comprising means for determining the conversion table data based on the limit correction table data.
Color display device.
所定の時点からの経過時間を計測するタイマを更に備えており、
前記ガンマ補正制御部は、
前記経過時間に対する、前記３原色の第１、第２及び第３色に関する第１、第２及び第３補正係数を与え、前記測定用表示部を含む測定系の経時変化特性に基づき定められる補正係数テーブルデータを記憶する手段を更に有しており、
（ａ） 前記レベルデータ及び前記被検出３原色明るさ信号に基づいて、前記３原色に関する、前記第２駆動信号と前記第３画像における明るさとの関係を示す近似曲線を与えるデータを生成する手段と、
（ｂ） 前記補正期間における前記第１画像の前記ホワイトバランス及び前記輝度を、前記調整完了時における前記第１画像の前記ホワイトバランス及び前記輝度に等しくするために必要な、前記３原色の前記第１、第２及び第３色に関する前記第１駆動信号の第１、第２及び第３レベルに対する第１、第２及び第３補正レベルを与える暫定的変換テーブルデータを、前記調整完了時テーブルデータ及び前記近似曲線データに基づいて生成する手段と、
（ｃ） 前記タイマの計測結果に応じて前記補正期間の開始時に対応する現経過時間を求めて、当該現経過時間における前記第１、第２及び第３補正係数の値を前記補正係数テーブルデータより読み取る手段と、
（ｄ） ▲１▼前記第１色に関しては、前記第１補正係数を用いた第１制限処理を前記第１駆動信号の前記第１レベルに実行して得られる第１制限レベルを、前記第１駆動信号の前記第１レベルに対する、前記第１駆動信号の第１制限補正レベルとして与え、▲２▼前記第２色に関しては、前記第２補正係数を用いた第２制限処理を前記第１駆動信号の前記第２レベルに実行して得られる第２制限レベルを、前記第１駆動信号の前記第２レベルに対する、前記第１駆動信号の第２制限補正レベルとして与え、且つ、▲３▼前記第３色に関しては、前記第３補正係数を用いた第３制限処理を前記第１駆動信号の前記第３レベルに実行して得られる第３制限レベルを、前記第１駆動信号の前記第３レベルに対する、前記第１駆動信号の第３制限補正レベルとして与える制限補正テーブルデータを生成する手段と、
（ｅ） 前記制限補正テーブルデータに基づき前記変換テーブルデータを決定する手段とを更に有することを特徴とする、
カラーディスプレイ装置。The color display device according to claim 7 ,
A timer for measuring the elapsed time from a predetermined time point ;
The gamma correction control unit
With respect to the elapsed time, the first of the three primary colors, the first for the second and third color, giving the second and third correction coefficient, that is determined based on the temporal change characteristics of a measurement system including the measurement display unit Means for storing correction coefficient table data;
(A ) Based on the level data and the detected three primary color brightness signals, means for generating data that provides an approximate curve indicating the relationship between the second drive signal and the brightness in the third image for the three primary colors When,
(B) The first of the three primary colors required to make the white balance and the luminance of the first image in the correction period equal to the white balance and the luminance of the first image at the completion of the adjustment . Temporary conversion table data that provides first, second, and third correction levels for the first, second, and third levels of the first drive signal for the first, second, and third colors is the adjustment completion table data. And means for generating based on the approximate curve data;
(C) The current elapsed time corresponding to the start of the correction period is obtained according to the measurement result of the timer, and the values of the first, second, and third correction coefficients at the current elapsed time are calculated as the correction coefficient table data. More reading means ,
(D) (1) For the first color, the first restriction level obtained by executing the first restriction process using the first correction coefficient on the first level of the first drive signal is set to the first color. The first limit of the first drive signal is given as the first limit correction level for the first level of the drive signal. (2) For the second color, the second limit process using the second correction coefficient is applied to the first limit. A second limit level obtained by executing the second level of the drive signal is given as a second limit correction level of the first drive signal with respect to the second level of the first drive signal, and (3) For the third color, a third limit level obtained by executing a third limit process using the third correction coefficient on the third level of the first drive signal is set to the third limit level of the first drive signal. Third limit correction of the first drive signal for three levels Means for generating limit correction table data given as a level;
(E) further comprising means for determining the conversion table data based on the limit correction table data.
Color display device.
所定の時点からの経過時間を計測するタイマを更に備えており、
前記補正期間は、少なくとも、先行する第１補正期間と、前記第１補正期間よりも遅い第２補正期間とを含み、
前記ガンマ補正制御部は、
少なくとも、前記第１補正期間の開始時に相当する第１経過時間に対する第１補正係数、第２補正係数及び第３補正係数と、前記第２補正期間の開始時に相当する第２経過時間に対する第１補正係数、第２補正係数及び第３補正係数とを与え、前記測定用表示部を含む測定系の経時変化特性に基づき定められる補正係数テーブルデータを記憶する手段を更に有しており、
（ａ） 前記第１及び第２補正期間の各々において得られる前記被検出３原色明るさ信号を受信する毎に、前記レベルデータ及び前記被検出３原色明るさ信号に基づいて、前記３原色に関する、前記第２駆動信号と前記第３画像における明るさとの関係を示す近似曲線を与えるデータを生成する手段と、
（ｂ） 前記第１及び第２補正期間の各々に対応する前記近似曲線データの生成毎に、前記第１及び第２補正期間の内の当該補正期間における前記第１画像の前記ホワイトバランス及び前記輝度を、前記調整完了時における前記第１画像の前記ホワイトバランス及び前記輝度に等しくするために必要な、前記３原色の前記第１、第２及び第３色に関する前記第１駆動信号の第１、第２及び第３レベルに対する第１、第２及び第３補正レベルを与える暫定的変換テーブルデータを、前記近似曲線データ及び前記調整完了時テーブルデータに基づいて生成する手段と、
（ｃ） 前記タイマの計測結果に応じて、前記第１経過時間に対する前記第１第２及び第３補正係数と、前記第２経過時間に対する前記第１、第２及び第３補正係数とを、それぞれ前記第１及び第２経過時間において前記補正係数テーブルデータより読み取る手段と、
（ｄ） 前記第１及び第２補正期間の各々に対応する前記暫定的変換テーブルデータの生成毎に、▲１▼前記第１色に関しては、前記第１補正係数を用いた第１制限処理を前記第１駆動信号の前記第１レベルに実行して得られる第１制限レベルを、前記第１駆動信号の前記第１レベルに対する、前記第１駆動信号の第１制限補正レベルとして与え、▲２▼前記第２色に関しては、前記第２補正係数を用いた第２制限処理を前記第１駆動信号の前記第２レベルに実行して得られる第２制限レベルを、前記第１駆動信号の前記第２レベルに対する、前記第１駆動信号の第２制限補正レベルとして与え、且つ、▲３▼前記第３色に関しては、前記第３補正係数を用いた第３制限処理を前記第１駆動信号の前記第３レベルに実行して得られる第３制限レベルを、前記第１駆動信号の前記第３レベルに対する、前記第１駆動信号の第３制限補正レベルとして与える制限補正テーブルデータを生成する手段と、
（ｅ） 前記第１及び第２補正期間の各々に対応する前記制限補正テーブルデータの生成毎に、前記制限補正テーブルデータに基づき、前記変換テーブルデータを決定する手段と、
（ｆ） 前記第１及び第２補正期間の各々に対応する前記変換テーブルデータの生成毎に、前記変換テーブルデータを前記第２制御信号として出力する手段とを更に有することを特徴とする、
カラーディスプレイ装置。The color display device according to claim 7 ,
A timer for measuring the elapsed time from a predetermined time point ;
The correction period includes at least a preceding first correction period and a second correction period later than the first correction period,
The gamma correction control unit
At least a first correction coefficient, a second correction coefficient, and a third correction coefficient for a first elapsed time corresponding to the start of the first correction period, and a first for a second elapsed time corresponding to the start of the second correction period. correction factor, given a second correction coefficient, and the third correction factor, and further comprising means for storing a correction coefficient table data that is determined based on the temporal change characteristics of a measurement system including the measurement display unit,
(A ) Each time the detected three primary color brightness signals obtained in each of the first and second correction periods are received, the three primary colors are related based on the level data and the detected three primary color brightness signals. Means for generating data giving an approximate curve indicating a relationship between the second drive signal and the brightness in the third image;
(B) for each generation of the approximate curve data corresponding to each of the first and second correction periods, the white balance of the first image in the correction period of the first and second correction periods, and The first of the first drive signals relating to the first, second and third colors of the three primary colors required to make the luminance equal to the white balance and the luminance of the first image at the completion of the adjustment . Means for generating provisional conversion table data for providing first, second and third correction levels for the second and third levels based on the approximate curve data and the adjustment completion table data;
(C) according to the measurement result of the timer, the first, second and third correction coefficients for the first elapsed time, and the first, second and third correction coefficients for the second elapsed time, Means for reading from the correction coefficient table data at the first and second elapsed times, respectively.
(D) Every time the provisional conversion table data corresponding to each of the first and second correction periods is generated, (1) the first restriction process using the first correction coefficient is performed for the first color. A first limit level obtained by executing the first level of the first drive signal is provided as a first limit correction level of the first drive signal with respect to the first level of the first drive signal; For the second color, the second limit level obtained by executing the second limit process using the second correction coefficient on the second level of the first drive signal is set to the second limit level of the first drive signal. A second limit correction level of the first drive signal with respect to a second level is given. (3) For the third color, a third limit process using the third correction coefficient is applied to the first drive signal. A third limit level obtained by executing to the third level. Means for generating limit correction table data for providing a bell as a third limit correction level of the first drive signal with respect to the third level of the first drive signal;
(E) means for determining the conversion table data based on the limit correction table data for each generation of the limit correction table data corresponding to each of the first and second correction periods;
(F) for each generation of the conversion table data corresponding to each of said first and second correction period, characterized by further comprising a means for force out by the conversion table data and the second control signal ,
Color display device.
所定の時点からの経過時間を計測するタイマを更に備えており、
前記補正期間は、少なくとも、先行する第１補正期間と、前記第１補正期間よりも遅い第２補正期間とを含み、
前記ガンマ補正制御部は、
前記第１補正期間の開始時に相当する第１経過時間に対する第１補正係数、第２補正係数及び第３補正係数を与え、前記測定用表示部を含む測定系の経時変化特性に基づき定められる補正係数テーブルデータを記憶する手段を更に有しており、
（ａ） 前記第１補正期間において得られる前記被検出３原色明るさ信号の受信に応じて、前記レベルデータ及び前記被検出３原色明るさ信号に基づいて、前記３原色に関する、前記第２駆動信号と前記第３画像における明るさとの関係を示す近似曲線を与えるデータを生成する手段と、
（ｂ） 前記第１補正期間に対応する前記近似曲線データの生成に応じて、前記第１補正期間における前記第１画像の前記ホワイトバランス及び前記輝度を、前記調整完了時における前記第１画像の前記ホワイトバランス及び前記輝度に等しくするために必要な、前記３原色の前記第１、第２及び第３色に関する前記第１駆動信号の第１、第２及び第３レベルに対する第１、第２及び第３補正レベルを与える暫定的変換テーブルデータを、前記調整完了時テーブルデータ及び前記近似曲線データに基づいて生成する手段と、
（ｃ） 前記タイマの計測結果に応じて、前記第１経過時間に対する前記第１第２及び第３補正係数を、前記第１経過時間において前記補正係数テーブルデータより読み取ると共に、前記第１補正係数よりも小さい値を有する第１先行補正係数と、前記第２補正係数よりも小さい値を有する第２先行補正係数と、前記第３補正係数よりも小さい値を有する第３先行補正係数と、を生成する手段と、
（ｄ−１） ▲１▼前記第１色に関しては、前記第１先行補正係数を用いた第１先行制限処理を前記第１駆動信号の前記第１レベルに実行して得られる第１先行制限レベルを、前記第１駆動信号の前記第１レベルに対する、前記第１駆動信号の第１先行制限補正レベルとして与え、▲２▼前記第２色に関しては、前記第２先行補正係数を用いた第２先行制限処理を前記第１駆動信号の前記第２レベルに実行して得られる第２先行制限レベルを、前記第１駆動信号の前記第２レベルに対する、前記第１駆動信号の第２先行制限補正レベルとして与え、且つ、▲３▼前記第３色に関しては、前記第３先行補正係数を用いた第３先行制限処理を前記第１駆動信号の前記第３レベルに実行して得られる第３先行制限レベルを、前記第１駆動信号の前記第３レベルに対する、前記第１駆動信号の第３先行制限補正レベルとして与える先行制限補正テーブルデータを生成する手段と、
（ｅ−１） 前記先行制限補正テーブルデータに基づき前記先行変換テーブルデータを決定し、前記先行変換テーブルデータを前記第２制御信号として出力する手段と、
（ｄ−２） 前記先行変換テーブルデータの出力後であって且つ前記第２補正期間の到来前の時点において、▲１▼前記第１色に関しては、前記第１補正係数を用いた第１制限処理を前記第１駆動信号の前記第１レベルに実行して得られる第１制限レベルを、前記第１駆動信号の前記第１レベルに対する、前記第１駆動信号の第１制限補正レベルとして与え、▲２▼前記第２色に関しては、前記第２補正係数を用いた第２制限処理を前記第１駆動信号の前記第２レベルに実行して得られる第２制限レベルを、前記第１駆動信号の前記第２レベルに対する、前記第１駆動信号の第２制限補正レベルとして与え、且つ、▲３▼前記第３色に関しては、前記第３補正係数を用いた第３制限処理を前記第１駆動信号の前記第３レベルに実行して得られる第３制限レベルを、前記第１駆動信号の前記第３レベルに対する、前記第１駆動信号の第３制限補正レベルとして与える制限補正テーブルデータを生成する手段と、
（ｅ−２） 前記第２補正期間の到来前において、前記制限補正テーブルデータに基づき前記変換テーブルデータを決定し、前記変換テーブルデータを前記第２制御信号として出力する手段とを更に有することを特徴とする、
カラーディスプレイ装置。The color display device according to claim 7 ,
A timer for measuring the elapsed time from a predetermined time point ;
The correction period includes at least a preceding first correction period and a second correction period later than the first correction period,
The gamma correction control unit
The first correction coefficient for the first elapsed time corresponding to the beginning of the first correction period, giving a second correction coefficient, and the third correction coefficient, that is determined based on the temporal change characteristics of a measurement system including the measurement display unit Means for storing correction coefficient table data;
(A ) The second drive relating to the three primary colors based on the level data and the detected three primary color brightness signals in response to reception of the detected three primary color brightness signals obtained in the first correction period. Means for generating data giving an approximate curve indicating a relationship between the signal and the brightness in the third image;
(B) In response to the generation of the approximate curve data corresponding to the first correction period, the white balance and the luminance of the first image in the first correction period are set to the first image at the completion of the adjustment . First and second for the first, second and third levels of the first drive signal for the first, second and third colors of the three primary colors required to equal the white balance and the brightness. means for generating on the basis of and provisional conversion table data to provide a third correction level, the adjustment completion time table data and the approximate curve data,
(C) According to the measurement result of the timer, the first and second correction coefficients for the first elapsed time are read from the correction coefficient table data at the first elapsed time, and the first correction coefficient A first preceding correction coefficient having a smaller value, a second preceding correction coefficient having a smaller value than the second correction coefficient, and a third preceding correction coefficient having a smaller value than the third correction coefficient. Means for generating;
(D-1) (1) For the first color, the first preceding restriction obtained by executing the first preceding restriction process using the first preceding correction coefficient at the first level of the first drive signal. Level is given as the first preceding limit correction level of the first drive signal with respect to the first level of the first drive signal. (2) For the second color, the second preceding correction coefficient is used. A second preceding restriction level of the first driving signal with respect to the second level of the first driving signal is obtained by executing a second preceding restriction process on the second level of the first driving signal. (3) A third level obtained by executing a third preceding restriction process using the third preceding correction coefficient on the third level of the first drive signal for the third color. The advance restriction level is set to the first driving signal. Means for generating preceding restriction correction table data given as a third preceding restriction correction level of the first drive signal for three levels;
(E-1) the previous conversion table data determined based on the prior limit correction table data, means for force out the preceding conversion table data as the second control signal,
(D-2) At the time after the output of the preceding conversion table data and before the arrival of the second correction period, (1) for the first color, the first restriction using the first correction coefficient Providing a first limit level obtained by executing processing on the first level of the first drive signal as a first limit correction level of the first drive signal with respect to the first level of the first drive signal; (2) For the second color, the second limit level obtained by executing the second limit process using the second correction coefficient on the second level of the first drive signal is set to the first drive signal. The second limit correction level of the first drive signal is given to the second level, and (3) for the third color, a third limit process using the third correction coefficient is applied to the first drive. Obtained by running on the third level of the signal Means for generating restriction correction table data that gives a third restriction level as a third restriction correction level of the first drive signal with respect to the third level of the first drive signal;
(E-2) before the arrival of the second correction period, the determining a conversion table data based on the limit correction table data further comprises means for force out to the conversion table data and the second control signal It is characterized by
Color display device.
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