JP2012053489A5 - - Google Patents
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- JP2012053489A5 JP2012053489A5 JP2011263499A JP2011263499A JP2012053489A5 JP 2012053489 A5 JP2012053489 A5 JP 2012053489A5 JP 2011263499 A JP2011263499 A JP 2011263499A JP 2011263499 A JP2011263499 A JP 2011263499A JP 2012053489 A5 JP2012053489 A5 JP 2012053489A5
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（Ｂ）各画素群に関して、第１の画素及び第２の画素のそれぞれへの第１副画素・入力信号、第２副画素・入力信号及び第３副画素・入力信号に基づき、第１の画素及び第２の画素のそれぞれに第１副画素・出力信号、第２副画素・出力信号及び第３副画素・出力信号を出力する信号処理部、
を備えた画像表示装置の駆動方法であって、
正数Ｐを第１の方向に沿った画素群の数、正数Ｑを第２の方向に沿った画素群の数としたとき、信号処理部には、
第（ｐ，ｑ）番目の画素群（但し、１≦ｐ≦Ｐ，１≦ｑ≦Ｑ）を構成する第１の画素に関して、
信号値がｘ 1-(p1,q) の第１副画素・入力信号、
信号値がｘ 2-(p1,q) の第２副画素・入力信号、及び、
信号値がｘ 3-(p1,q) の第３副画素・入力信号、
が入力され、
第（ｐ，ｑ）番目の画素群を構成する第２の画素に関して、
信号値がｘ 1-(p2,q) の第１副画素・入力信号、
信号値がｘ 2-(p2,q) の第２副画素・入力信号、及び、
信号値がｘ 3-(p2,q) の第３副画素・入力信号、
が入力され、
信号処理部は、
第（ｐ，ｑ）番目の画素群を構成する第１の画素に関して、
信号値がＸ 1-(p1,q) であり、第１副画素の表示階調を決定するための第１副画素・出力信号、
信号値がＸ 2-(p1,q) であり、第２副画素の表示階調を決定するための第２副画素・出力信号、及び、
信号値がＸ 3-(p1,q) であり、第３副画素の表示階調を決定するための第３副画素・出力信号、
を出力し、
第（ｐ，ｑ）番目の画素群を構成する第２の画素に関して、
信号値がＸ 1-(p2,q) であり、第１副画素の表示階調を決定するための第１副画素・出力信号、
信号値がＸ 2-(p2,q) であり、第２副画素の表示階調を決定するための第２副画素・出力信号、及び、
信号値がＸ 3-(p2,q) であり、第３副画素の表示階調を決定するための第３副画素・出力信号、
を出力し、更に、
第（ｐ，ｑ）番目の画素群を構成する第４副画素に関して、信号値がＸ 4-(p,q) であり、第４副画素の表示階調を決定するための第４副画素・出力信号、
を出力し、
Ｍｉｎ (p,q)-1 に基づき第１信号値ＳＧ (p,q)-1 を決定し、Ｍｉｎ (p,q)-2 に基づき第２信号値ＳＧ (p,q)-2 を決定し、
信号値Ｘ 1-(p1,q) を、少なくとも、信号値ｘ 1-(p1,q) 、Ｍａｘ (p,q)-1 、Ｍｉｎ (p,q)-1 、及び、第１信号値ＳＧ (p,q)-1 に基づき求め、
信号値Ｘ 2-(p1,q) を、少なくとも、信号値ｘ 2-(p1,q) 、Ｍａｘ (p,q)-1 、Ｍｉｎ (p,q)-1 、及び、第１信号値ＳＧ (p,q)-1 に基づき求め、
信号値Ｘ 3-(p1,q) を、少なくとも、信号値ｘ 3-(p1,q) 、Ｍａｘ (p,q)-1 、Ｍｉｎ (p,q)-1 、及び、第１信号値ＳＧ (p,q)-1 に基づき求め、
信号値Ｘ 1-(p2,q) を、少なくとも、信号値ｘ 1-(p2,q) 、Ｍａｘ (p,q)-2 、Ｍｉｎ (p,q)-2 、及び、第２信号値ＳＧ (p,q)-2 に基づき求め、
信号値Ｘ 2-(p2,q) を、少なくとも、信号値ｘ 2-(p2,q) 、Ｍａｘ (p,q)-2 、Ｍｉｎ (p,q)-2 、及び、第２信号値ＳＧ (p,q)-2 に基づき求め、
信号値Ｘ 3-(p2,q) を、少なくとも、信号値ｘ 3-(p2,q) 、Ｍａｘ (p,q)-2 、Ｍｉｎ (p,q)-2 、及び、第２信号値ＳＧ (p,q)-2 に基づき求める画像表示装置の駆動方法。
ここで、
Ｍａｘ (p,q)-1 ：（ｘ 1-(p1,q) ，ｘ 2-(p1,q) ，ｘ 3-(p1,q) ）の３つの副画素・入力信号の信号値の最大値
Ｍａｘ (p,q)-2 ：（ｘ 1-(p2,q) ，ｘ 2-(p2,q) ，ｘ 3-(p2,q) ）の３つの副画素・入力信号の信号値の最大値
Ｍｉｎ (p,q)-1 ：（ｘ 1-(p1,q) ，ｘ 2-(p1,q) ，ｘ 3-(p1,q) ）の３つの副画素・入力信号の信号値の最小値
Ｍｉｎ (p,q)-2 ：（ｘ 1-(p2,q) ，ｘ 2-(p2,q) ，ｘ 3-(p2,q) ）の３つの副画素・入力信号の信号値の最小値
である。 (A) A pixel composed of a first subpixel that displays the first primary color, a second subpixel that displays the second primary color, and a third subpixel that displays the third primary color has the first direction and the first subpixel. A pixel group is composed of at least a first pixel and a second pixel arranged in a two-dimensional matrix in the two directions and arranged in the first direction. In each pixel group, the first pixel and the second pixel An image display panel in which a fourth sub-pixel displaying a fourth color is disposed between the pixel and the pixel;
(B) For each pixel group, based on the first subpixel / input signal, the second subpixel / input signal, and the third subpixel / input signal to each of the first pixel and the second pixel, A signal processing unit that outputs a first subpixel / output signal, a second subpixel / output signal, and a third subpixel / output signal to each of the pixel and the second pixel;
A method for driving an image display device comprising:
When the positive number P is the number of pixel groups along the first direction and the positive number Q is the number of pixel groups along the second direction,
Regarding the first pixel constituting the (p, q) -th pixel group (where 1 ≦ p ≦ P, 1 ≦ q ≦ Q),
The first subpixel / input signal whose signal value is x 1− (p1, q) ,
A second subpixel / input signal whose signal value is x 2− (p1, q) , and
A third subpixel / input signal whose signal value is x 3− (p1, q) ,
Is entered,
Regarding the second pixel constituting the (p, q) -th pixel group,
The first sub-pixel / input signal whose signal value is x 1- (p2, q)
A second subpixel / input signal whose signal value is x 2− (p2, q) , and
A third subpixel / input signal whose signal value is x 3− (p2, q) ,
Is entered,
The signal processor
Regarding the first pixel constituting the (p, q) -th pixel group,
A first subpixel output signal for determining a display gradation of the first subpixel, the signal value of which is X 1− (p1, q) ;
The signal value is X 2− (p1, q) , the second subpixel / output signal for determining the display gradation of the second subpixel, and
A third subpixel output signal for determining the display gradation of the third subpixel, the signal value being X 3− (p1, q) ;
Output
Regarding the second pixel constituting the (p, q) -th pixel group,
A first subpixel output signal for determining a display gradation of the first subpixel, the signal value being X 1− (p2, q) ;
The signal value is X 2− (p2, q) , the second subpixel / output signal for determining the display gradation of the second subpixel, and
A third subpixel output signal for determining a display gradation of the third subpixel, the signal value of which is X 3− (p2, q) ;
Is output, and
For the fourth subpixel constituting the (p, q) th pixel group, the signal value is X 4− (p, q) , and the fourth subpixel for determining the display gradation of the fourth subpixel・ Output signal,
Output
Min (p, q) the first signal value SG based on -1 (p, q) -1 were determined, Min (p, q) based -2 second signal value SG (p, q) determined -2 And
The signal value X 1- (p1, q) is set to at least the signal value x 1- (p1, q) , Max (p, q) −1 , Min (p, q) −1 , and the first signal value SG. (p, q) obtained based on -1,
The signal value X 2− (p1, q) is changed to at least the signal value x 2− (p1, q) , Max (p, q) −1 , Min (p, q) −1 , and the first signal value SG. (p, q) obtained based on -1,
The signal value X 3- (p1, q) is at least the signal value x 3- (p1, q) , Max (p, q) −1 , Min (p, q) −1 , and the first signal value SG. (p, q) obtained based on -1,
The signal value X 1- (p2, q) is converted into at least the signal value x 1- (p2, q) , Max (p, q) -2 , Min (p, q) -2 , and the second signal value SG. calculated based on (p, q) -2 ,
The signal value X 2- (p2, q) is at least converted into the signal value x 2- (p2, q) , Max (p, q) -2 , Min (p, q) -2 , and the second signal value SG. calculated based on (p, q) -2 ,
The signal value X 3- (p2, q) is at least converted into the signal value x 3- (p2, q) , Max (p, q) -2 , Min (p, q) -2 , and the second signal value SG. A driving method of an image display device obtained based on (p, q) -2 .
here,
Max (p, q) -1: maximum (x 1- (p1, q) , x 2- (p1, q), x 3- (p1, q)) signal values of three sub-pixel input signal value
Max (p, q) -2: the maximum (x 1- (p2, q) , x 2- (p2, q), x 3- (p2, q)) signal values of three sub-pixel input signal value
Min (p, q) -1: (x 1- (p1, q), x 2- (p1, q), x 3- (p1, q)) minimum signal value of the three sub-pixel input signal value
Min (p, q) -2: (x 1- (p2, q), x 2- (p2, q), x 3- (p2, q)) minimum signal value of the three sub-pixel input signal value
It is.
Ｘ4-(p,q)＝（ＳＧ(p,q)-1＋ＳＧ(p,q)-2）／２
にて求め、又は、
Ｘ4-(p,q)＝Ｃ1・ＳＧ(p,q)-1＋Ｃ2・ＳＧ(p,q)-2
（但し、Ｃ1，Ｃ2は定数であり、Ｘ4-(p,q)≦（２n−１）であり、（Ｃ1・ＳＧ(p,q)-1＋Ｃ2・ＳＧ(p,q)-2）＞（２n−１）の場合、Ｘ4-(p,q)＝（２n−１）とする）
にて求め、又は、
Ｘ4-(p,q)＝［（ＳＧ(p,q)-1 2＋ＳＧ(p,q)-2 2）／２］1/2
にて求める請求項１に記載の画像表示装置の駆動方法。 Signal value X 4- (p, q)
X4- (p, q) = (SG (p, q) -1 + SG (p, q) -2 ) / 2
Or
X 4- (p, q) = C 1 · SG (p, q) -1 + C 2 · SG (p, q) -2
(However, C 1 and C 2 are constants, and X 4− (p, q) ≦ (2 n −1), and (C 1 · SG (p, q) −1 + C 2 · SG (p, q) -2 )> (2 n -1), X 4- (p, q) = (2 n -1))
Or
X 4- (p, q) = [(SG (p, q) -1 2 + SG (p, q) -2 2 ) / 2] 1/2
The method for driving an image display device according to claim 1, which is obtained by:
（Ｂ）各画素群に関して、第１の画素及び第２の画素のそれぞれへの第１副画素・入力信号、第２副画素・入力信号及び第３副画素・入力信号に基づき、第１の画素及び第２の画素のそれぞれに第１副画素・出力信号、第２副画素・出力信号及び第３副画素・出力信号を出力する信号処理部、
を備えた画像表示装置の駆動方法であって、
正数Ｐを第１の方向に沿った画素群の数、正数Ｑを第２の方向に沿った画素群の数としたとき、信号処理部には、
第（ｐ，ｑ）番目の画素群（但し、１≦ｐ≦Ｐ，１≦ｑ≦Ｑ）を構成する第１の画素に関して、
信号値がｘ 1-(p1,q) の第１副画素・入力信号、
信号値がｘ 2-(p1,q) の第２副画素・入力信号、及び、
信号値がｘ 3-(p1,q) の第３副画素・入力信号、
が入力され、
第（ｐ，ｑ）番目の画素群を構成する第２の画素に関して、
信号値がｘ 1-(p2,q) の第１副画素・入力信号、
信号値がｘ 2-(p2,q) の第２副画素・入力信号、及び、
信号値がｘ 3-(p2,q) の第３副画素・入力信号、
が入力され、
信号処理部は、
第（ｐ，ｑ）番目の画素群を構成する第１の画素に関して、
信号値がＸ 1-(p1,q) であり、第１副画素の表示階調を決定するための第１副画素・出力信号、
信号値がＸ 2-(p1,q) であり、第２副画素の表示階調を決定するための第２副画素・出力信号、及び、
信号値がＸ 3-(p1,q) であり、第３副画素の表示階調を決定するための第３副画素・出力信号、
を出力し、
第（ｐ，ｑ）番目の画素群を構成する第２の画素に関して、
信号値がＸ 1-(p2,q) であり、第１副画素の表示階調を決定するための第１副画素・出力信号、
信号値がＸ 2-(p2,q) であり、第２副画素の表示階調を決定するための第２副画素・出力信号、及び、
信号値がＸ 3-(p2,q) であり、第３副画素の表示階調を決定するための第３副画素・出力信号、
を出力し、更に、
第（ｐ，ｑ）番目の画素群を構成する第４副画素に関して、信号値がＸ 4-(p,q) であり、第４副画素の表示階調を決定するための第４副画素・出力信号、
を出力し、
信号処理部において、
各画素群の第１の画素及び第２の画素への第１副画素・入力信号に基づき第１副画素・混合入力信号を求め、
各画素群の第１の画素及び第２の画素への第２副画素・入力信号に基づき第２副画素・混合入力信号を求め、
各画素群の第１の画素及び第２の画素への第３副画素・入力信号に基づき第３副画素・混合入力信号を求め、
第１副画素・混合入力信号、第２副画素・混合入力信号及び第３副画素・混合入力信号に基づき、第４副画素・出力信号を求め、
第１副画素・混合入力信号、並びに、第１の画素及び第２の画素への第１副画素・入力信号に基づき、第１の画素及び第２の画素への第１副画素・出力信号を求め、
第２副画素・混合入力信号、並びに、第１の画素及び第２の画素への第２副画素・入力信号に基づき、第１の画素及び第２の画素への第２副画素・出力信号を求め、
第３副画素・混合入力信号、並びに、第１の画素及び第２の画素への第３副画素・入力信号に基づき、第１の画素及び第２の画素への第３副画素・出力信号を求め、
第４副画素・出力信号、並びに、第１の画素及び第２の画素への第１副画素・出力信号、第２副画素・出力信号及び第３副画素・出力信号を出力する画像表示装置の駆動方法。 (A) A pixel composed of a first subpixel that displays the first primary color, a second subpixel that displays the second primary color, and a third subpixel that displays the third primary color has the first direction and the first subpixel. A pixel group is composed of at least a first pixel and a second pixel arranged in a two-dimensional matrix in the two directions and arranged in the first direction. In each pixel group, the first pixel and the second pixel An image display panel in which a fourth sub-pixel displaying a fourth color is disposed between the pixel and the pixel;
(B) For each pixel group, based on the first subpixel / input signal, the second subpixel / input signal, and the third subpixel / input signal to each of the first pixel and the second pixel, A signal processing unit that outputs a first subpixel / output signal, a second subpixel / output signal, and a third subpixel / output signal to each of the pixel and the second pixel;
A method for driving an image display device comprising:
When the positive number P is the number of pixel groups along the first direction and the positive number Q is the number of pixel groups along the second direction,
Regarding the first pixel constituting the (p, q) -th pixel group (where 1 ≦ p ≦ P, 1 ≦ q ≦ Q),
The first subpixel / input signal whose signal value is x 1− (p1, q) ,
A second subpixel / input signal whose signal value is x 2− (p1, q) , and
A third subpixel / input signal whose signal value is x 3− (p1, q) ,
Is entered,
Regarding the second pixel constituting the (p, q) -th pixel group,
The first sub-pixel / input signal whose signal value is x 1- (p2, q)
A second subpixel / input signal whose signal value is x 2− (p2, q) , and
A third subpixel / input signal whose signal value is x 3− (p2, q) ,
Is entered,
The signal processor
Regarding the first pixel constituting the (p, q) -th pixel group,
A first subpixel output signal for determining a display gradation of the first subpixel, the signal value of which is X 1− (p1, q) ;
The signal value is X 2− (p1, q) , the second subpixel / output signal for determining the display gradation of the second subpixel, and
A third subpixel output signal for determining the display gradation of the third subpixel, the signal value being X 3− (p1, q) ;
Output
Regarding the second pixel constituting the (p, q) -th pixel group,
A first subpixel output signal for determining a display gradation of the first subpixel, the signal value being X 1− (p2, q) ;
The signal value is X 2− (p2, q) , the second subpixel / output signal for determining the display gradation of the second subpixel, and
A third subpixel output signal for determining a display gradation of the third subpixel, the signal value of which is X 3− (p2, q) ;
Is output, and
For the fourth subpixel constituting the (p, q) th pixel group, the signal value is X 4− (p, q) , and the fourth subpixel for determining the display gradation of the fourth subpixel・ Output signal,
Output
In the signal processor
Obtaining a first subpixel / mixed input signal based on the first subpixel / input signal to the first pixel and the second pixel of each pixel group;
Obtaining a second subpixel / mixed input signal based on the second subpixel / input signal to the first pixel and the second pixel of each pixel group;
Determining a third subpixel / mixed input signal based on the third subpixel / input signal to the first pixel and the second pixel of each pixel group;
Based on the first subpixel / mixed input signal, the second subpixel / mixed input signal, and the third subpixel / mixed input signal, the fourth subpixel / output signal is obtained,
Based on the first subpixel / mixed input signal and the first subpixel / input signal to the first pixel and the second pixel, the first subpixel / output signal to the first pixel and the second pixel Seeking
Based on the second subpixel / mixed input signal and the second subpixel / input signal to the first pixel and the second pixel, the second subpixel / output signal to the first pixel and the second pixel Seeking
Based on the third subpixel / mixed input signal and the third subpixel / input signal to the first pixel and the second pixel, the third subpixel / output signal to the first pixel and the second pixel Seeking
The fourth sub-pixel output signal, and an image display apparatus for outputting a first pixel and a first sub-pixel output signal to the second pixel, the second sub-pixel output signal and the third sub-pixel output signal Driving method.
第１の方向を行方向、第２の方向を列方向とし、正数Ｑを第２の方向に沿った画素群の数としたとき、
第ｑ’番目の列（但し、１≦ｑ’≦Ｑ−１）における第１の画素と第（ｑ’＋１）番目の列における第１の画素とは隣接しており、
第ｑ’番目の列における第４副画素と第（ｑ’＋１）番目の列における第４副画素とは隣接していない画像表示パネル。 A pixel composed of a first subpixel that displays the first primary color, a second subpixel that displays the second primary color, and a third subpixel that displays the third primary color has a first direction and a second direction. Are arranged in a two-dimensional matrix, and a pixel group is configured by at least the first pixel and the second pixel arranged in the first direction. In each pixel group, the first pixel and the second pixel A fourth sub-pixel displaying a fourth color is disposed therebetween ,
When the first direction is the row direction, the second direction is the column direction, and the positive number Q is the number of pixel groups along the second direction,
The first pixel in the q′th column (where 1 ≦ q ′ ≦ Q−1) and the first pixel in the (q ′ + 1) th column are adjacent to each other,
An image display panel in which the fourth subpixel in the q′th column and the fourth subpixel in the (q ′ + 1) th column are not adjacent to each other .
第１の方向を行方向、第２の方向を列方向としたとき、
第ｑ’番目の列（但し、１≦ｑ’≦Ｑ−１）における第１の画素と第（ｑ’＋１）番目の列における第２の画素とは隣接しており、
第ｑ’番目の列における第４副画素と第（ｑ’＋１）番目の列における第４副画素とは隣接していない画像表示パネル。 A pixel composed of a first subpixel that displays the first primary color, a second subpixel that displays the second primary color, and a third subpixel that displays the third primary color has a first direction and a second direction. Are arranged in a two-dimensional matrix, and a pixel group is configured by at least the first pixel and the second pixel arranged in the first direction. In each pixel group, the first pixel and the second pixel A fourth sub-pixel displaying a fourth color is disposed therebetween,
When the first direction is the row direction and the second direction is the column direction,
The first pixel in the q′-th column (where 1 ≦ q ′ ≦ Q−1) and the second pixel in the (q ′ + 1) -th column are adjacent to each other,
An image display panel in which the fourth subpixel in the q′th column and the fourth subpixel in the (q ′ + 1) th column are not adjacent to each other .
（Ｂ）各画素群に関して、第１の画素への第１副画素・入力信号、第２副画素・入力信号及び第３副画素・入力信号に基づき、第１副画素・出力信号、第２副画素・出力信号及び第３副画素・出力信号を出力し、第２の画素への第１副画素・入力信号及び第２副画素・入力信号に基づき、第１副画素・出力信号及び第２副画素・出力信号を出力する信号処理部、
を備えた画像表示装置の駆動方法であって、
信号処理部において、各画素群の第１の画素への第１副画素・入力信号、第２副画素・入力信号及び第３副画素・入力信号、並びに、該各画素群の第２の画素への第１副画素・入力信号、第２副画素・入力信号及び第３副画素・入力信号に基づき、第４副画素・出力信号を求め、出力する画像表示装置の駆動方法。 (A) a first subpixel that displays a first primary color, a second subpixel that displays a second primary color, a first subpixel that displays a third primary color, and a first pixel A plurality of pixel groups including a first sub-pixel that displays a primary color, a second sub-pixel that displays a second primary color, and a second pixel that includes a fourth sub-pixel that displays a fourth color. An image display panel with
(B) For each pixel group, based on the first subpixel / input signal, the second subpixel / input signal, and the third subpixel / input signal to the first pixel, the first subpixel / output signal, second The sub-pixel / output signal and the third sub-pixel / output signal are output, and the first sub-pixel / output signal and the second sub-pixel / output signal are output based on the first sub-pixel / input signal and the second sub-pixel / input signal to the second pixel. 2 signal processing units for outputting sub-pixels and output signals,
A method for driving an image display device comprising:
In the signal processing unit, the first sub-pixel / input signal, the second sub-pixel / input signal and the third sub-pixel / input signal to the first pixel of each pixel group, and the second pixel of each pixel group A method for driving an image display device that obtains and outputs a fourth subpixel / output signal based on a first subpixel / input signal, a second subpixel / input signal, and a third subpixel / input signal.
第（ｐ，ｑ）番目の画素群（但し、１≦ｐ≦Ｐ，１≦ｑ≦Ｑ）を構成する第１の画素に関して、Regarding the first pixel constituting the (p, q) -th pixel group (where 1 ≦ p ≦ P, 1 ≦ q ≦ Q),
信号値がｘSignal value is x 1-(p1,q)1- (p1, q) の第１副画素・入力信号、First sub-pixel input signal,
信号値がｘSignal value is x 2-(p1,q)2- (p1, q) の第２副画素・入力信号、及び、Second sub-pixel input signal, and
信号値がｘSignal value is x 3-(p1,q)3- (p1, q) の第３副画素・入力信号、Third sub-pixel input signal,
が入力され、Is entered,
第（ｐ，ｑ）番目の画素群を構成する第２の画素に関して、Regarding the second pixel constituting the (p, q) -th pixel group,
信号値がｘSignal value is x 1-(p2,q)1- (p2, q) の第１副画素・入力信号、First sub-pixel input signal,
信号値がｘSignal value is x 2-(p2,q)2- (p2, q) の第２副画素・入力信号、及び、Second sub-pixel input signal, and
信号値がｘSignal value is x 3-(p2,q)3- (p2, q) の第３副画素・入力信号、Third sub-pixel input signal,
が入力され、Is entered,
信号処理部は、The signal processor
第（ｐ，ｑ）番目の画素群を構成する第１の画素に関して、Regarding the first pixel constituting the (p, q) -th pixel group,
信号値がＸSignal value is X 1-(p1,q)1- (p1, q) であり、第１副画素の表示階調を決定するための第１副画素・出力信号、A first sub-pixel output signal for determining the display gradation of the first sub-pixel,
信号値がＸSignal value is X 2-(p1,q)2- (p1, q) であり、第２副画素の表示階調を決定するための第２副画素・出力信号、及び、A second sub-pixel output signal for determining the display gradation of the second sub-pixel, and
信号値がＸSignal value is X 3-(p1,q)3- (p1, q) であり、第３副画素の表示階調を決定するための第３副画素・出力信号、A third sub-pixel output signal for determining the display gradation of the third sub-pixel,
を出力し、Output
第（ｐ，ｑ）番目の画素群を構成する第２の画素に関して、Regarding the second pixel constituting the (p, q) -th pixel group,
信号値がＸSignal value is X 1-(p2,q)1- (p2, q) であり、第１副画素の表示階調を決定するための第１副画素・出力信号、及び、A first sub-pixel output signal for determining a display gradation of the first sub-pixel, and
信号値がＸSignal value is X 2-(p2,q)2- (p2, q) であり、第２副画素の表示階調を決定するための第２副画素・出力信号、A second sub-pixel output signal for determining the display gradation of the second sub-pixel,
を出力し、更に、Is output, and
第（ｐ，ｑ）番目の画素群を構成する第４副画素に関して、信号値がＸFor the fourth subpixel constituting the (p, q) th pixel group, the signal value is X 4-(p,q)4- (p, q) であり、第４副画素の表示階調を決定するための第４副画素・出力信号、A fourth sub-pixel output signal for determining the display gradation of the fourth sub-pixel,
を出力する請求項６に記載の画像表示装置の駆動方法。The method for driving the image display device according to claim 6, wherein:
ＨＳＶ色空間における彩度ＳSaturation S in HSV color space (p,q)-1(p, q) -1 及び明度ＶAnd brightness V (p,q)-1(p, q) -1 、並びに、定数χに基づき、第１信号値ＳＧAnd the first signal value SG based on the constant χ (p,q)-1(p, q) -1 を決定し、Decide
ＨＳＶ色空間における彩度ＳSaturation S in HSV color space (p,q)-2(p, q) -2 及び明度ＶAnd brightness V (p,q)-2(p, q) -2 、並びに、定数χに基づき、第２信号値ＳＧAnd the second signal value SG based on the constant χ (p,q)-2(p, q) -2 を決定する請求項８に記載の画像表示装置の駆動方法。The method for driving an image display device according to claim 8, wherein the value is determined.
ここで、here,
ＳS (p,q)-1(p, q) -1 ＝（Ｍａｘ= (Max (p,q)-1(p, q) -1 −Ｍｉｎ-Min (p,q)-1(p, q) -1 ）／Ｍａｘ) / Max (p,q)-1(p, q) -1
ＶV (p,q)-1(p, q) -1 ＝Ｍａｘ= Max (p,q)-1(p, q) -1
ＳS (p,q)-2(p, q) -2 ＝（Ｍａｘ= (Max (p,q)-2(p, q) -2 −Ｍｉｎ-Min (p,q)-2(p, q) -2 ）／Ｍａｘ) / Max (p,q)-2(p, q) -2
ＶV (p,q)-2(p, q) -2 ＝Ｍａｘ= Max (p,q)-2(p, q) -2
但し、However,
ＭａｘMax (p,q)-1(p, q) -1 ：（ｘ: (X 1-(p1,q)1- (p1, q) ，ｘ, X 2-(p1,q)2- (p1, q) ，ｘ, X 3-(p1,q)3- (p1, q) ）の３つの副画素・入力信号の信号値の最大値) The maximum value of the signal values of the three subpixels and input signals
ＭｉｎMin (p,q)-1(p, q) -1 ：（ｘ: (X 1-(p1,q)1- (p1, q) ，ｘ, X 2-(p1,q)2- (p1, q) ，ｘ, X 3-(p1,q)3- (p1, q) ）の３つの副画素・入力信号の信号値の最小値) 3 sub-pixels / Minimum value of input signal value
ＭａｘMax (p,q)-2(p, q) -2 ：（ｘ: (X 1-(p2,q)1- (p2, q) ，ｘ, X 2-(p2,q)2- (p2, q) ，ｘ, X 3-(p2,q)3- (p2, q) ）の３つの副画素・入力信号の信号値の最大値) The maximum value of the signal values of the three subpixels and input signals
ＭｉｎMin (p,q)-2(p, q) -2 ：（ｘ: (X 1-(p2,q)1- (p2, q) ，ｘ, X 2-(p2,q)2- (p2, q) ，ｘ, X 3-(p2,q)3- (p2, q) ）の３つの副画素・入力信号の信号値の最小値) 3 sub-pixels / Minimum value of input signal value
であり、彩度Ｓは０から１までの値をとることができ、明度Ｖは０から（２The saturation S can take a value from 0 to 1, and the lightness V can be from 0 to (2 nn −１）までの値をとることができ、ｎは表示階調ビット数である。-1) can be taken, and n is the number of display gradation bits.
信号処理部において、In the signal processor
（ａ）複数の画素における副画素・入力信号の信号値に基づき、複数の画素における彩度Ｓ及び明度Ｖ（Ｓ）を求め、(A) Based on signal values of subpixels and input signals in a plurality of pixels, a saturation S and a brightness V (S) in the plurality of pixels are obtained,
（ｂ）複数の画素において求められたＶ(B) V obtained in a plurality of pixels maxmax （Ｓ）／Ｖ（Ｓ）の値の内、少なくとも１つの値に基づいて伸長係数αBased on at least one of the values of (S) / V (S), the expansion coefficient α 00 を求め、Seeking
（ｃ）第１信号値ＳＧ(C) First signal value SG (p,q)-1(p, q) -1 を、少なくとも、信号値ｘAt least the signal value x 1-(p1,q)1- (p1, q) 、信号値ｘ, Signal value x 2-(p1,q)2- (p1, q) 及び信号値ｘAnd signal value x 3-(p1,q)3- (p1, q) に基づき求め、Based on
第２信号値ＳＧSecond signal value SG (p,q)-2(p, q) -2 を、少なくとも、信号値ｘAt least the signal value x 1-(p2,q)1- (p2, q) 、信号値ｘ, Signal value x 2-(p2,q)2- (p2, q) 及び信号値ｘAnd signal value x 3-(p2,q)3- (p2, q) に基づき求め、Based on
（ｄ）信号値Ｘ(D) Signal value X 1-(p1,q)1- (p1, q) を、少なくとも、信号値ｘAt least the signal value x 1-(p1,q)1- (p1, q) 、伸長係数α, Expansion coefficient α 00 、及び、第１信号値ＳＧ, And the first signal value SG (p,q)-1(p, q) -1 に基づき求め、Based on
信号値ＸSignal value X 2-(p1,q)2- (p1, q) を、少なくとも、信号値ｘAt least the signal value x 2-(p1,q)2- (p1, q) 、伸長係数α, Expansion coefficient α 00 、及び、第１信号値ＳＧ, And the first signal value SG (p,q)-1(p, q) -1 に基づき求め、Based on
信号値ＸSignal value X 1-(p2,q)1- (p2, q) を、少なくとも、信号値ｘAt least the signal value x 1-(p2,q)1- (p2, q) 、伸長係数α, Expansion coefficient α 00 、及び、第２信号値ＳＧ, And the second signal value SG (p,q)-2(p, q) -2 に基づき求め、Based on
信号値ＸSignal value X 2-(p2,q)2- (p2, q) を、少なくとも、信号値ｘAt least the signal value x 2-(p2,q)2- (p2, q) 、伸長係数α, Expansion coefficient α 00 、及び、第２信号値ＳＧ, And the second signal value SG (p,q)-2(p, q) -2 に基づき求める請求項９に記載の画像表示装置の駆動方法。The driving method of the image display device according to claim 9, which is obtained based on the above.
ＸX 4-(p,q)4- (p, q) ＝（ＳＧ= (SG (p,q)-1(p, q) -1 ＋ＳＧ+ SG (p,q)-2(p, q) -2 ）／２) / 2
にて求め、又は、Or
ＸX 4-(p,q)4- (p, q) ＝Ｃ= C 11 ・ＳＧ・ SG (p,q)-1(p, q) -1 ＋Ｃ+ C 22 ・ＳＧ・ SG (p,q)-2(p, q) -2
（但し、Ｃ(However, C 11 ，Ｃ, C 22 は定数であり、ＸIs a constant and X 4-(p,q)4- (p, q) ≦（２≤ (2 nn −１）であり、（Ｃ-1) and (C 11 ・ＳＧ・ SG (p,q)-1(p, q) -1 ＋Ｃ+ C 22 ・ＳＧ・ SG (p,q)-2(p, q) -2 ）＞（２)> (2 nn −１）の場合、Ｘ-1), X 4-(p,q)4- (p, q) ＝（２= (2 nn −１）とする）-1))
にて求め、又は、Or
ＸX 4-(p,q)4- (p, q) ＝［（ＳＧ= [(SG (p,q)-1(p, q) -1 22 ＋ＳＧ+ SG (p,q)-2(p, q) -2 22 ）／２］) / 2] 1/21/2
にて求める請求項１０に記載の画像表示装置の駆動方法。The method for driving an image display device according to claim 10, which is obtained by:
ここで、here,
ＭｉｎMin (p,q)-1(p, q) -1 ：（ｘ: (X 1-(p1,q)1- (p1, q) ，ｘ, X 2-(p1,q)2- (p1, q) ，ｘ, X 3-(p1,q)3- (p1, q) ）の３つの副画素・入力信号の信号値の最小値) 3 sub-pixels / Minimum value of input signal value
ＭｉｎMin (p,q)-2(p, q) -2 ：（ｘ: (X 1-(p2,q)1- (p2, q) ，ｘ, X 2-(p2,q)2- (p2, q) ，ｘ, X 3-(p2,q)3- (p2, q) ）の３つの副画素・入力信号の信号値の最小値) 3 sub-pixels / Minimum value of input signal value
である。It is.
信号値ＸSignal value X 2-(p1,q)2- (p1, q) を、少なくとも、信号値ｘAt least the signal value x 2-(p1,q)2- (p1, q) 、Ｍａｘ, Max (p,q)-1(p, q) -1 、Ｍｉｎ, Min (p,q)-1(p, q) -1 、及び、第１信号値ＳＧ, And the first signal value SG (p,q)-1(p, q) -1 に基づき求め、Based on
信号値ＸSignal value X 1-(p2,q)1- (p2, q) を、少なくとも、信号値ｘAt least the signal value x 1-(p2,q)1- (p2, q) 、Ｍａｘ, Max (p,q)-2(p, q) -2 、Ｍｉｎ, Min (p,q)-2(p, q) -2 、及び、第２信号値ＳＧ, And the second signal value SG (p,q)-2(p, q) -2 に基づき求め、Based on
信号値ＸSignal value X 2-(p2,q)2- (p2, q) を、少なくとも、信号値ｘAt least the signal value x 2-(p2,q)2- (p2, q) 、Ｍａｘ, Max (p,q)-2(p, q) -2 、Ｍｉｎ, Min (p,q)-2(p, q) -2 、及び、第２信号値ＳＧ, And the second signal value SG (p,q)-2(p, q) -2 に基づき求める請求項１２に記載の画像表示装置の駆動方法。The driving method of the image display device according to claim 12, which is obtained based on
ＸX 4-(p,q)4- (p, q) ＝（ＳＧ= (SG (p,q)-1(p, q) -1 ＋ＳＧ+ SG (p,q)-2(p, q) -2 ）／２) / 2
にて求め、又は、Or
ＸX 4-(p,q)4- (p, q) ＝Ｃ= C 11 ・ＳＧ・ SG (p,q)-1(p, q) -1 ＋Ｃ+ C 22 ・ＳＧ・ SG (p,q)-2(p, q) -2
（但し、Ｃ(However, C 11 ，Ｃ, C 22 は定数であり、ＸIs a constant and X 4-(p,q)4- (p, q) ≦（２≤ (2 nn −１）であり、（Ｃ-1) and (C 11 ・ＳＧ・ SG (p,q)-1(p, q) -1 ＋Ｃ+ C 22 ・ＳＧ・ SG (p,q)-2(p, q) -2 ）＞（２)> (2 nn −１）の場合、Ｘ-1), X 4-(p,q)4- (p, q) ＝（２= (2 nn −１）とする）-1))
にて求め、又は、Or
ＸX 4-(p,q)4- (p, q) ＝［（ＳＧ= [(SG (p,q)-1(p, q) -1 22 ＋ＳＧ+ SG (p,q)-2(p, q) -2 22 ）／２］) / 2] 1/21/2
にて求める請求項１３に記載の画像表示装置の駆動方法。The method for driving an image display device according to claim 13, which is obtained by:
各画素群の第１の画素及び第２の画素への第１副画素・入力信号に基づき第１副画素・混合入力信号を求め、Obtaining a first subpixel / mixed input signal based on the first subpixel / input signal to the first pixel and the second pixel of each pixel group;
各画素群の第１の画素及び第２の画素への第２副画素・入力信号に基づき第２副画素・混合入力信号を求め、Obtaining a second subpixel / mixed input signal based on the second subpixel / input signal to the first pixel and the second pixel of each pixel group;
各画素群の第１の画素及び第２の画素への第３副画素・入力信号に基づき第３副画素・混合入力信号を求め、Determining a third subpixel / mixed input signal based on the third subpixel / input signal to the first pixel and the second pixel of each pixel group;
第１副画素・混合入力信号、第２副画素・混合入力信号及び第３副画素・混合入力信号に基づき、第４副画素・出力信号を求め、Based on the first subpixel / mixed input signal, the second subpixel / mixed input signal, and the third subpixel / mixed input signal, the fourth subpixel / output signal is obtained,
第１副画素・混合入力信号、並びに、第１の画素及び第２の画素への第１副画素・入力信号に基づき、第１の画素及び第２の画素への第１副画素・出力信号を求め、Based on the first subpixel / mixed input signal and the first subpixel / input signal to the first pixel and the second pixel, the first subpixel / output signal to the first pixel and the second pixel Seeking
第２副画素・混合入力信号、並びに、第１の画素及び第２の画素への第２副画素・入力信号に基づき、第１の画素及び第２の画素への第２副画素・出力信号を求め、Based on the second subpixel / mixed input signal and the second subpixel / input signal to the first pixel and the second pixel, the second subpixel / output signal to the first pixel and the second pixel Seeking
第３副画素・混合入力信号に基づき第１の画素への第３副画素・出力信号を求め、Obtaining a third subpixel output signal to the first pixel based on the third subpixel mixed input signal;
第４副画素・出力信号、並びに、第１の画素及び第２の画素への第１副画素・出力信号、第２副画素・出力信号及び第３副画素・出力信号を出力する請求項６に記載の画像表示装置の駆動方法。7. The fourth sub-pixel / output signal, the first sub-pixel / output signal to the first pixel and the second pixel, the second sub-pixel / output signal, and the third sub-pixel / output signal are output. A driving method of the image display device according to the above.
各画素群を構成する第１の画素及び第２の画素は、第２の方向に沿って配置されており、
第１の方向に沿って、第１の画素と第１の画素が隣接して配置されている請求項６乃至請求項１６のいずれか１項に記載の画像表示装置の駆動方法。 The pixel groups are arranged in a two-dimensional matrix, with a total of P × Q pixels P in the first direction and Q pixels in the second direction.
The first pixel and the second pixel constituting each pixel group are arranged along the second direction,
The method for driving an image display device according to claim 6 , wherein the first pixel and the first pixel are arranged adjacent to each other along the first direction.
各画素群を構成する第１の画素及び第２の画素は、第２の方向に沿って配置されており、
第１の方向に沿って、第１の画素と第２の画素が隣接して配置されている請求項６乃至請求項１６のいずれか１項に記載の画像表示装置の駆動方法。 The pixel groups are arranged in a two-dimensional matrix, with a total of P × Q pixels P in the first direction and Q pixels in the second direction.
The first pixel and the second pixel constituting each pixel group are arranged along the second direction,
The method for driving an image display device according to any one of claims 6 to 16 , wherein the first pixel and the second pixel are arranged adjacent to each other along the first direction.
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| JP5770073B2 (en) * | 2011-11-25 | 2015-08-26 | 株式会社ジャパンディスプレイ | Display device and electronic device |
| JP2015194747A (en) | 2014-03-27 | 2015-11-05 | 株式会社ジャパンディスプレイ | Display device and display device driving method |
| KR102293344B1 (en) * | 2014-10-31 | 2021-08-26 | 삼성디스플레이 주식회사 | Display apparatus |
| JP6499511B2 (en) * | 2015-05-19 | 2019-04-10 | 株式会社ジャパンディスプレイ | Display device |
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| US11763732B2 (en) * | 2019-06-25 | 2023-09-19 | Sharp Kabushiki Kaisha | Display device and image processing method |
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| KR101171180B1 (en) * | 2005-07-15 | 2012-08-20 | 삼성전자주식회사 | Liquid crystal display |
| US7636076B2 (en) * | 2005-09-22 | 2009-12-22 | Au Optronics Corporation | Four-color transflective color liquid crystal display |
| US7564530B2 (en) * | 2005-12-29 | 2009-07-21 | Au Optronics Corporation | Sub-pixel structure in transflective color liquid crystal display |
| US8207924B2 (en) * | 2006-02-02 | 2012-06-26 | Sharp Kabushiki Kaisha | Display device |
| WO2007125630A1 (en) * | 2006-04-26 | 2007-11-08 | Sharp Kabushiki Kaisha | Image display device, method for driving image display device, driving program, and computer readable recording medium |
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