JP2007206464A5 - - Google Patents
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- JP2007206464A5 JP2007206464A5 JP2006026419A JP2006026419A JP2007206464A5 JP 2007206464 A5 JP2007206464 A5 JP 2007206464A5 JP 2006026419 A JP2006026419 A JP 2006026419A JP 2006026419 A JP2006026419 A JP 2006026419A JP 2007206464 A5 JP2007206464 A5 JP 2007206464A5
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- 230000000875 corresponding Effects 0.000 claims 37
- 238000005259 measurement Methods 0.000 claims 23
- 230000001186 cumulative Effects 0.000 claims 19
- 238000000034 method Methods 0.000 claims 8
- 238000001514 detection method Methods 0.000 claims 7
- 238000004364 calculation method Methods 0.000 claims 5
- 238000004590 computer program Methods 0.000 claims 4
- 230000015556 catabolic process Effects 0.000 claims 1
- 230000004059 degradation Effects 0.000 claims 1
- 238000006731 degradation reaction Methods 0.000 claims 1
Claims (5)
輝度劣化の測定タイミングに、各ダミー画素の発光輝度を検出する輝度検出センサーと、
測定タイミング以外は、有効表示領域内で任意に選択されたサンプル画素に対応する階調値と前記有効表示領域の画素の平均階調値とをそれぞれ対応するダミー画素に与える一方で、測定タイミングには測定用の階調値を前記複数個のダミー画素全てに与えるダミー画素データ決定部と、
前記輝度検出センサーにより検出された検出輝度に基づいて、各ダミー画素の累積劣化情報を測定する実劣化情報測定部と、
前記複数個のサンプル画素について算出された累積劣化情報の見積もり値と、これらに対応する累積劣化情報の実測値に基づいて各サンプル画素に対応する修正倍率を求めるサンプル画素別修正倍率算出部と、
前記複数個のサンプル画素について算出された累積劣化情報の見積もり値を大きさ順に並べた際に隣接する２つのサンプル画素に対応する各修正倍率の平均値を、対応する見積もり範囲に対する修正値に決定する見積もり範囲別修正値決定部と、
前記修正値による修正済みの累積劣化情報に基づいて、各画素に対応する補正量を決定する補正量決定部と、
決定された補正量に基づいて、有効表示領域に対応する入力階調値を補正する映像信号補正部と
を有することを特徴とする自発光表示装置。 A display panel in which a plurality of dummy pixels are arranged outside the effective display area;
A luminance detection sensor that detects the emission luminance of each dummy pixel at the measurement timing of luminance degradation;
Other than the measurement timing, the gradation value corresponding to the sample pixel arbitrarily selected in the effective display area and the average gradation value of the pixels in the effective display area are given to the corresponding dummy pixels, while the measurement timing is Is a dummy pixel data determination unit that gives a gradation value for measurement to all of the plurality of dummy pixels;
An actual deterioration information measuring unit that measures cumulative deterioration information of each dummy pixel based on the detected luminance detected by the luminance detection sensor;
An estimated value of cumulative deterioration information calculated for the plurality of sample pixels, and a correction magnification calculation unit for each sample pixel that calculates a correction magnification corresponding to each sample pixel based on an actual measurement value of the cumulative deterioration information corresponding to these,
When the estimated values of the accumulated deterioration information calculated for the plurality of sample pixels are arranged in order of magnitude, the average value of each correction magnification corresponding to two adjacent sample pixels is determined as a correction value for the corresponding estimated range. A correction value determining unit for each estimated range to be
A correction amount determination unit that determines a correction amount corresponding to each pixel based on the cumulative deterioration information corrected by the correction value;
A self-luminous display device, comprising: a video signal correction unit that corrects an input gradation value corresponding to an effective display area based on the determined correction amount.
測定タイミング以外は、有効表示領域内で任意に選択されたサンプル画素に対応する階調値と前記有効表示領域の画素の平均階調値とをそれぞれ対応するダミー画素に与える一方で、測定タイミングには測定用の階調値を前記複数個のダミー画素全てに与えるダミー画素データ決定部と、
前記輝度検出センサーにより検出された検出輝度に基づいて、各ダミー画素の累積劣化情報を測定する実劣化情報測定部と、
前記複数個のサンプル画素について算出された累積劣化情報の見積もり値と、これらに対応する累積劣化情報の実測値に基づいて各サンプル画素に対応する修正倍率を求めるサンプル画素別修正倍率算出部と、
前記複数個のサンプル画素について算出された累積劣化情報の見積もり値を大きさ順に並べた際に隣接する２つのサンプル画素に対応する各修正倍率の平均値を、対応する見積もり範囲に対する修正値に決定する見積もり範囲別修正値決定部と
を有することを特徴とする見積もり劣化情報修正装置。 An apparatus for correcting an estimated value of cumulative deterioration information calculated for each pixel based on input display data,
Other than the measurement timing, the gradation value corresponding to the sample pixel arbitrarily selected in the effective display area and the average gradation value of the pixels in the effective display area are respectively given to the corresponding dummy pixels, while the measurement timing is Is a dummy pixel data determining unit that gives a gradation value for measurement to all of the plurality of dummy pixels;
An actual deterioration information measuring unit that measures cumulative deterioration information of each dummy pixel based on the detected luminance detected by the luminance detection sensor;
An estimated value of cumulative deterioration information calculated for the plurality of sample pixels, and a correction magnification calculation unit for each sample pixel that calculates a correction magnification corresponding to each sample pixel based on an actual measurement value of the cumulative deterioration information corresponding to these,
When the estimated values of the accumulated deterioration information calculated for the plurality of sample pixels are arranged in order of magnitude, the average value of each correction magnification corresponding to two adjacent sample pixels is determined as a correction value for the corresponding estimated range. An estimated deterioration information correcting device, comprising: a correction value determining unit for each estimated range.
測定タイミング以外は、有効表示領域内で任意に選択されたサンプル画素に対応する階調値と前記有効表示領域の画素の平均階調値とをそれぞれ対応するダミー画素に与える一方で、測定タイミングには測定用の階調値を前記複数個のダミー画素全てに与えるダミー画素データ決定部と、
前記輝度検出センサーにより検出された検出輝度に基づいて、各ダミー画素の累積劣化情報を測定する実劣化情報測定部と、
前記複数個のサンプル画素について算出された累積劣化情報の見積もり値と、これらに対応する累積劣化情報の実測値に基づいて各サンプル画素に対応する修正倍率を求めるサンプル画素別修正倍率算出部と、
前記複数個のサンプル画素について算出された累積劣化情報の見積もり値を大きさ順に並べた際に隣接する２つのサンプル画素に対応する各修正倍率の平均値を、対応する見積もり範囲に対する修正値に決定する見積もり範囲別修正値決定部と、
前記修正値による修正済みの累積劣化情報に基づいて、各画素に対応する補正量を決定する補正量決定部と、
決定された補正量に基づいて、有効表示領域に対応する入力階調値を補正する映像信号補正部と
を有することを特徴とする入力表示データ補正装置。 A device for correcting input display data input to a display panel in which a plurality of dummy pixels and corresponding luminance detection sensors are arranged outside an effective display area,
Other than the measurement timing, the gradation value corresponding to the sample pixel arbitrarily selected in the effective display area and the average gradation value of the pixels in the effective display area are respectively given to the corresponding dummy pixels, while the measurement timing is Is a dummy pixel data determining unit that gives a gradation value for measurement to all of the plurality of dummy pixels;
An actual deterioration information measuring unit that measures cumulative deterioration information of each dummy pixel based on the detected luminance detected by the luminance detection sensor;
An estimated value of cumulative deterioration information calculated for the plurality of sample pixels, and a correction magnification calculation unit for each sample pixel that calculates a correction magnification corresponding to each sample pixel based on an actual measurement value of the cumulative deterioration information corresponding to these,
When the estimated values of the accumulated deterioration information calculated for the plurality of sample pixels are arranged in order of magnitude, the average value of each correction magnification corresponding to two adjacent sample pixels is determined as a correction value for the corresponding estimated range. A correction value determining unit for each estimated range to be
A correction amount determination unit that determines a correction amount corresponding to each pixel based on the cumulative deterioration information corrected by the correction value;
An input display data correction apparatus comprising: a video signal correction unit that corrects an input gradation value corresponding to an effective display area based on the determined correction amount.
測定タイミング以外は、有効表示領域内で任意に選択されたサンプル画素に対応する階調値と前記有効表示領域の画素の平均階調値とをそれぞれ対応するダミー画素に与える一方で、測定タイミングには測定用の階調値を前記複数個のダミー画素全てに与えるダミー画素データ決定処理と、
前記輝度検出センサーにより検出された検出輝度に基づいて、各ダミー画素の累積劣化情報を測定する実劣化量測定処理と、
前記複数個のサンプル画素について算出された累積劣化情報の見積もり値と、これらに対応する累積劣化情報の実測値に基づいて各サンプル画素に対応する修正倍率を求めるサンプル画素別修正倍率算出処理と、
前記複数個のサンプル画素について算出された累積劣化情報の見積もり値を大きさ順に並べた際に隣接する２つのサンプル画素に対応する各修正倍率の平均値を、対応する見積もり範囲に対する修正値に決定する見積もり範囲別修正値決定処理と
をコンピュータに実行させるコンピュータプログラム。 A computer program for correcting an estimated value of section deterioration amount information calculated based on input display data,
Other than the measurement timing, while providing the average gradation value of the pixels of the effective display area and the gradation value corresponding to the sample pixel selected arbitrarily within the effective display area in the corresponding dummy pixels, the measurement timing Is a dummy pixel data determination process for giving a gradation value for measurement to all the plurality of dummy pixels;
Based on the detected luminance detected by the luminance detection sensor, an actual deterioration amount measurement process for measuring cumulative deterioration information of each dummy pixel;
An estimated value of cumulative deterioration information calculated for the plurality of sample pixels, and a correction magnification calculation process for each sample pixel for obtaining a correction magnification corresponding to each sample pixel based on an actual measurement value of the cumulative deterioration information corresponding to these,
When the estimated values of the accumulated deterioration information calculated for the plurality of sample pixels are arranged in order of magnitude, the average value of each correction magnification corresponding to two adjacent sample pixels is determined as a correction value for the corresponding estimated range. A computer program that causes a computer to execute correction value determination processing for each estimated range.
測定タイミング以外は、有効表示領域内で任意に選択されたサンプル画素に対応する階調値と前記有効表示領域の画素の平均階調値とをそれぞれ対応するダミー画素に与える一方で、測定タイミングには測定用の階調値を前記複数個のダミー画素全てに与えるダミー画素データ決定処理と、
前記輝度検出センサーにより検出された検出輝度に基づいて、各ダミー画素の累積劣化情報を測定する実劣化量測定処理と、
前記複数個のサンプル画素について算出された累積劣化情報の見積もり値と、これらに対応する累積劣化情報の実測値に基づいて各サンプル画素に対応する修正倍率を求めるサンプル画素別修正倍率算出処理と、
前記複数個のサンプル画素について算出された累積劣化情報の見積もり値を大きさ順に並べた際に隣接する２つのサンプル画素に対応する各修正倍率の平均値を、対応する見積もり範囲に対する修正値に決定する見積もり範囲別修正値決定処理と、
前記修正値による修正済みの累積劣化情報に基づいて、各画素に対応する補正量を決定する補正量決定処理と、
決定された補正量に基づいて、有効表示領域に対応する入力階調値を補正する映像信号補正処理と
をコンピュータに実行させるコンピュータプログラム。 A computer program for correcting an estimated value of section deterioration amount information calculated based on input display data,
Other than the measurement timing, the gradation value corresponding to the sample pixel arbitrarily selected in the effective display area and the average gradation value of the pixels in the effective display area are respectively given to the corresponding dummy pixels, while the measurement timing is Is a dummy pixel data determination process for giving a gradation value for measurement to all the plurality of dummy pixels;
Based on the detected luminance detected by the luminance detection sensor, an actual deterioration amount measurement process for measuring cumulative deterioration information of each dummy pixel;
An estimated value of cumulative deterioration information calculated for the plurality of sample pixels, and a correction magnification calculation process for each sample pixel for obtaining a correction magnification corresponding to each sample pixel based on an actual measurement value of the cumulative deterioration information corresponding to these,
When the estimated values of the accumulated deterioration information calculated for the plurality of sample pixels are arranged in order of magnitude, the average value of each correction magnification corresponding to two adjacent sample pixels is determined as a correction value for the corresponding estimated range. Correction value determination processing for each estimated range to be performed,
A correction amount determination process for determining a correction amount corresponding to each pixel based on the cumulative deterioration information corrected by the correction value;
A computer program that causes a computer to execute a video signal correction process for correcting an input gradation value corresponding to an effective display area based on a determined correction amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006026419A JP2007206464A (en) | 2006-02-02 | 2006-02-02 | Spontaneous display device, estimation degradation information correction device, input display data compensation device, and program |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006026419A JP2007206464A (en) | 2006-02-02 | 2006-02-02 | Spontaneous display device, estimation degradation information correction device, input display data compensation device, and program |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007206464A JP2007206464A (en) | 2007-08-16 |
| JP2007206464A5 true JP2007206464A5 (en) | 2009-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2006026419A Pending JP2007206464A (en) | 2006-02-02 | 2006-02-02 | Spontaneous display device, estimation degradation information correction device, input display data compensation device, and program |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5246433B2 (en) * | 2009-09-18 | 2013-07-24 | ソニー株式会社 | Display device |
| JP5440340B2 (en) * | 2010-04-09 | 2014-03-12 | ソニー株式会社 | Image display device and image display method |
| KR20120022411A (en) | 2010-09-02 | 2012-03-12 | 삼성모바일디스플레이주식회사 | Display device and driving method thereof |
| KR102334211B1 (en) | 2015-07-24 | 2021-12-02 | 삼성전자주식회사 | A display apparatus and a display method |
| KR102473211B1 (en) * | 2017-11-03 | 2022-12-05 | 삼성디스플레이 주식회사 | Display device |
| US10769991B2 (en) | 2017-11-02 | 2020-09-08 | Samsung Display Co., Ltd. | Display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4593868B2 (en) * | 2002-05-14 | 2010-12-08 | ソニー株式会社 | Display device and driving method thereof |
| JP3962309B2 (en) * | 2002-10-22 | 2007-08-22 | 三菱電機株式会社 | Color display device |
| US7161566B2 (en) * | 2003-01-31 | 2007-01-09 | Eastman Kodak Company | OLED display with aging compensation |
| JP2005017520A (en) * | 2003-06-24 | 2005-01-20 | Matsushita Electric Ind Co Ltd | El color display device |
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