JP2003207762A5 - - Google Patents
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- JP2003207762A5 JP2003207762A5 JP2002267007A JP2002267007A JP2003207762A5 JP 2003207762 A5 JP2003207762 A5 JP 2003207762A5 JP 2002267007 A JP2002267007 A JP 2002267007A JP 2002267007 A JP2002267007 A JP 2002267007A JP 2003207762 A5 JP2003207762 A5 JP 2003207762A5
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- liquid crystal
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- display device
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Description
【００１４】
【課題を解決するための手段】
本願請求項１の発明は、少なくとも１垂直期間前の入力画像データと現垂直期間の入力画像データとの比較を行い、該比較結果から得られる強調変換パラメータに基づいて、入力画像データを強調データに変換した上で液晶表示パネルへ出力することにより、前記液晶表示パネルを加速駆動する液晶表示装置において、前記入力画像データの階調数を、前記液晶表示パネルの表示階調数より小さく変換する変換手段を備えたことを特徴とする。
[0014]
[Means for Solving the Problems]
The invention of claim 1 compares input image data at least one vertical period with input image data of the current vertical period, and emphasizes the input image data based on the enhancement conversion parameter obtained from the comparison result. And then output to the liquid crystal display panel to convert the number of gradations of the input image data to be smaller than the number of display gradations of the liquid crystal display panel in the liquid crystal display device for accelerating the liquid crystal display panel. characterized by comprising a conversion means that.
本願請求項２の発明は、前記変換手段が、前記液晶表示パネルの光学応答特性に応じた変換特性を有するものであることを特徴とする。 The invention of claim 2 is pre Symbol conversion means, wherein the one having a conversion characteristic corresponding to an optical response characteristic of the liquid crystal display panel.
本願請求項３の発明は、さらに、前記液晶表示パネルの温度を検出する温度検出手段と、前記検出された温度に基づいて、前記変換手段における変換特性を可変制御する制御手段とを備えたことを特徴とする。 The invention of claim 3, further comprising: a temperature detection means for detecting a temperature of the liquid crystal display panel, based on the detected temperature, and control means for variably controlling a conversion characteristic of prior Symbol conversion means It is characterized by
本願請求項４の発明は、さらに、前記入力画像データの特徴を検出する特徴検出手段と、前記検出された特徴に基づいて、前記変換手段における変換特性を可変制御する制御手段とを備えたことを特徴とする。 The invention of claim 4, further comprising: a Japanese Choken detecting means for detecting a feature of the input image data, based on the detected feature, control for variably controlling the conversion characteristics before Symbol conversion means And means.
本願請求項５の発明は、前記特徴検出手段が、前記入力画像データの動き量を検出するものであることを特徴とする。 The invention of claim 5 is the Japanese Choken detecting means, characterized in that it is used for detecting the motion amount of the input image data.
本願請求項６の発明は、前記特徴検出手段が、前記入力画像データのフレームレートを検出するものであることを特徴とする。 The invention of claim 6 is the Japanese Choken detecting means, characterized in that in order to detect the frame rate of the input image data.
本願請求項７の発明は、前記特徴検出手段が、前記入力画像データの発生源を検出するものであることを特徴とする。 The invention of claim 7, wherein Japanese Choken detecting means, characterized in that in order to detect the source of the input image data.
本願請求項８の発明は、前記制御手段が、前記変換手段における変換特性を１画面単位で可変制御することを特徴とする。 The invention of claim 8, wherein the control means is characterized by variably controlling the conversion characteristics before Symbol conversion means in each screen.
本願請求項９の発明は、前記制御手段が、前記変換手段における変換特性を画面内の所定領域単位で可変制御することを特徴とする。 The invention of claim 9, wherein the control means is characterized by variably controlling the conversion characteristics before Symbol conversion means at a predetermined region unit within the screen.
本願請求項１０の発明は、ユーザによる指示入力に基づいて、前記変換手段における変換特性を可変制御する制御手段を備えたことを特徴とする。 Invention according to claim 10, based on an instruction input by a user, characterized by comprising a control means for variably controlling the conversion characteristics before Symbol conversion means.
本願発明の液晶表示装置は、入力画像データの階調数を、液晶表示パネルの表示階調数より小さくするように変換しているため、入力画像データが如何なる階調に遷移した場合であっても適切なデータ強調を行うことが可能となり、残像や尾引きの発生を抑制して、高品質な画像表示を実現することができる。 The liquid crystal display device of the present invention, the number of gradations of the input image data, since the conversion to less than the display gradation number of the liquid crystal display panel, in a case where input image data has transitioned to any gradation It is also possible to perform appropriate data enhancement, and it is possible to realize high-quality image display by suppressing the occurrence of afterimage and tailing.
【００５９】
【発明の効果】
本発明の液晶表示装置は、上記のような構成としているので、入力画像データの階調数を、液晶表示パネルの表示階調数より小さくするように変換しているため、入力画像データが如何なる階調に遷移した場合であっても適切なデータ強調を行うことが可能となり、残像や尾引きの発生を抑制して、高品質な画像表示を実現することができる。
[0059]
【Effect of the invention】
The liquid crystal display device of the present invention, since the structure described above, the gradation number of the input image data, since the conversion to less than the display gradation number of the liquid crystal display panel, the input image data is how Even in the case of transition to gradation, it is possible to perform appropriate data emphasis, and it is possible to realize high-quality image display by suppressing the occurrence of afterimage and tailing.
Claims (10)
前記入力画像データの階調数を、前記液晶表示パネルの表示階調数より小さく変換する変換手段を備えたことを特徴とする液晶表示装置。The input image data at least one vertical period before is compared with the input image data of the current vertical period, and the input image data is converted into emphasis data based on the emphasis conversion parameter obtained from the comparison result, and then the liquid crystal display panel In the liquid crystal display device which accelerates the liquid crystal display panel by outputting the signal to the
The liquid crystal display device, characterized in that the number of gradations of the input image data, including a conversion means that converts the smaller than the display gradation number of the liquid crystal display panel.
前記変換手段は、前記液晶表示パネルの光学応答特性に応じた変換特性を有するものであることを特徴とする液晶表示装置。The liquid crystal display device according to claim 1,
Before Symbol conversion means, a liquid crystal display device wherein the one having a conversion characteristic corresponding to an optical response characteristic of the liquid crystal display panel.
前記液晶表示パネルの温度を検出する温度検出手段と、
前記検出された温度に基づいて、前記変換手段における変換特性を可変制御する制御手段とを備えたことを特徴とする液晶表示装置。The liquid crystal display device according to claim 1 or 2.
Temperature detection means for detecting the temperature of the liquid crystal display panel;
The liquid crystal display device, characterized in that on the basis of the detected temperature, and a control means for variably controlling the conversion characteristics before Symbol conversion means.
前記入力画像データの特徴を検出する特徴検出手段と、
前記検出された特徴に基づいて、前記変換手段における変換特性を可変制御する制御手段とを備えたことを特徴とする液晶表示装置。The liquid crystal display device according to claim 1 or 2.
And JP Choken detecting means for detecting a feature of the input image data,
The liquid crystal display device, characterized in that on the basis of the detected feature, and a control means for variably controlling the conversion characteristics before Symbol conversion means.
前記特徴検出手段は、前記入力画像データの動き量を検出するものであることを特徴とする液晶表示装置。The liquid crystal display device according to claim 4.
The Japanese Choken detecting means is a liquid crystal display device, characterized in that in order to detect the motion amount of the input image data.
前記特徴検出手段は、前記入力画像データのフレームレートを検出するものであることを特徴とする液晶表示装置。The liquid crystal display device according to claim 4.
The Japanese Choken detecting means is a liquid crystal display device, characterized in that in order to detect the frame rate of the input image data.
前記特徴検出手段は、前記入力画像データの発生源を検出するものであることを特徴とする液晶表示装置。The liquid crystal display device according to claim 4.
The Japanese Choken detecting means is a liquid crystal display device, characterized in that in order to detect the source of the input image data.
前記制御手段は、前記変換手段における変換特性を１画面単位で可変制御することを特徴とする液晶表示装置。The liquid crystal display device according to any one of claims 4 to 8.
Wherein, the liquid crystal display device characterized by variably controlling the conversion characteristics before Symbol conversion means in each screen.
前記制御手段は、前記変換手段における変換特性を画面内の所定領域単位で可変制御することを特徴とする液晶表示装置。The liquid crystal display device according to any one of claims 4 to 8.
Wherein, the liquid crystal display device, characterized by variably controlling a predetermined area unit of the previous SL screen the conversion characteristic of conversion means.
ユーザによる指示入力に基づいて、前記変換手段における変換特性を可変制御する制御手段を備えたことを特徴とする液晶表示装置。The liquid crystal display device according to claim 1 or 2.
Based on an instruction input by a user, a liquid crystal display device characterized by comprising a control means for variably controlling the conversion characteristics before Symbol conversion means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002267007A JP2003207762A (en) | 2001-11-09 | 2002-09-12 | Liquid crystal display device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001-344078 | 2001-11-09 | ||
| JP2001344078 | 2001-11-09 | ||
| JP2002267007A JP2003207762A (en) | 2001-11-09 | 2002-09-12 | Liquid crystal display device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004192577A Division JP3796253B2 (en) | 2001-11-09 | 2004-06-30 | Liquid crystal display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003207762A JP2003207762A (en) | 2003-07-25 |
| JP2003207762A5 true JP2003207762A5 (en) | 2005-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002267007A Pending JP2003207762A (en) | 2001-11-09 | 2002-09-12 | Liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003207762A (en) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4537679B2 (en) * | 2003-09-18 | 2010-09-01 | 株式会社東芝 | Liquid crystal display |
| JP4050240B2 (en) * | 2004-02-26 | 2008-02-20 | シャープ株式会社 | Display device drive system |
| US7903064B2 (en) | 2004-09-17 | 2011-03-08 | Sharp Kabushiki Kaisha | Method and apparatus for correcting the output signal for a blanking period |
| JP4561341B2 (en) * | 2004-12-03 | 2010-10-13 | セイコーエプソン株式会社 | Image display device, image signal conversion device, image signal conversion method, image signal conversion program, and storage medium storing the program |
| US8264441B2 (en) | 2005-03-31 | 2012-09-11 | Sharp Kabushiki Kaisha | Method for driving liquid crystal display apparatus |
| US8217880B2 (en) | 2005-03-31 | 2012-07-10 | Sharp Kabushiki Kaisha | Method for driving liquid crystal display apparatus |
| JP2007033864A (en) * | 2005-07-27 | 2007-02-08 | Mitsubishi Electric Corp | Image processing circuit and image processing method |
| WO2007074560A1 (en) * | 2005-12-26 | 2007-07-05 | Sharp Kabushiki Kaisha | Display device driving apparatus, display device driving method, and display device |
| JP5522334B2 (en) | 2006-03-14 | 2014-06-18 | Ｎｌｔテクノロジー株式会社 | Liquid crystal driving method and liquid crystal driving device |
| WO2008041394A1 (en) * | 2006-10-02 | 2008-04-10 | Sharp Kabushiki Kaisha | Drive circuit and display |
| JP2009020340A (en) | 2007-07-12 | 2009-01-29 | Renesas Technology Corp | Display device and display device driving circuit |
| WO2009034757A1 (en) * | 2007-09-14 | 2009-03-19 | Sharp Kabushiki Kaisha | Image display and image display method |
| CN101939778A (en) * | 2008-03-07 | 2011-01-05 | 夏普株式会社 | Liquid crystal display device and method for driving liquid crystal display device |
| WO2010134247A1 (en) * | 2009-05-21 | 2010-11-25 | シャープ株式会社 | Liquid crystal display apparatus, liquid crystal display apparatus driving method, and television receiver |
| US20120105468A1 (en) * | 2009-07-06 | 2012-05-03 | Sharp Kabushiki Kaisha | Display Device And Display Device Driving Method |
| KR101848684B1 (en) * | 2010-02-19 | 2018-04-16 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | Liquid crystal display device and electronic device |
| US9230494B2 (en) | 2010-03-18 | 2016-01-05 | Sharp Kabushiki Kaisha | Multi-primary color liquid crystal panel drive circuit, multi-primary color liquid crystal panel drive method, liquid crystal display device and overdrive setting method |
| JP2011242474A (en) * | 2010-05-14 | 2011-12-01 | Sony Corp | Image processing method, image processor, image processing circuit and image display device |
| CN102918582A (en) * | 2010-05-28 | 2013-02-06 | 夏普株式会社 | Liquid crystal display device |
| KR101703875B1 (en) * | 2010-08-20 | 2017-02-07 | 엘지디스플레이 주식회사 | LCD and method of driving the same |
| WO2012081224A1 (en) * | 2010-12-16 | 2012-06-21 | パナソニック株式会社 | Liquid crystal display device and liquid crystal display method |
| WO2012081212A1 (en) * | 2010-12-17 | 2012-06-21 | シャープ株式会社 | Drive device for display device, drive method, and display device system |
| WO2012121335A1 (en) * | 2011-03-10 | 2012-09-13 | シャープ株式会社 | Liquid crystal display device |
| JP5966444B2 (en) | 2012-03-01 | 2016-08-10 | セイコーエプソン株式会社 | Control device for electro-optical device, control method for electro-optical device, electro-optical device, and electronic apparatus |
| JP5958003B2 (en) | 2012-03-23 | 2016-07-27 | セイコーエプソン株式会社 | Display device control device, display device control method, display device, and electronic apparatus |
| JP5910259B2 (en) | 2012-04-06 | 2016-04-27 | セイコーエプソン株式会社 | Control device, display device, electronic device, and control method |
| KR102510458B1 (en) * | 2018-09-12 | 2023-03-17 | 삼성디스플레이 주식회사 | Afterimage compensator and method for driving display device |
| CN114694611A (en) * | 2022-01-10 | 2022-07-01 | 重庆翰博显示科技研发中心有限公司 | Novel liquid crystal residual image processing technology for Mini LED display screen |
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2002
- 2002-09-12 JP JP2002267007A patent/JP2003207762A/en active Pending
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