JP2002149116A5 - - Google Patents
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- JP2002149116A5 JP2002149116A5 JP2000330859A JP2000330859A JP2002149116A5 JP 2002149116 A5 JP2002149116 A5 JP 2002149116A5 JP 2000330859 A JP2000330859 A JP 2000330859A JP 2000330859 A JP2000330859 A JP 2000330859A JP 2002149116 A5 JP2002149116 A5 JP 2002149116A5
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Claims (4)
入力画像から得られた、赤入力用副画素、緑入力用副画素、及び青入力用副画素毎のデジタル値を用いて所定の演算処理をすることにより、輝度用副画素を駆動するためのデジタル値を求めるデータ演算手段を有し、
このデータ演算手段により求められた輝度用副画素を駆動するためのデジタル値と、前記赤入力用副画素、緑入力用副画素、青入力用副画素毎のデジタル値とを用いて、輝度用副画素、赤出力用副画素、緑出力用副画素、及び青出力用副画素を駆動し、
前記データ演算手段による前記所定の演算処理は、前記輝度用副画素のデジタル値をＷｏとし、前記赤入力用副画素、緑入力用副画素、及び青入力用副画素毎のデジタル値のうち最小値をＹｍｉｎとし、最大値をＹｍａｘとした場合に、
演算式 Ｗｏ＝ｆ（Ｙｍｉｎ，Ｙｍａｘ）
により表される関数により、前記輝度用副画素を駆動するためのデジタル値Ｗｏを求め、
所定の制御信号を使用することにより、前記輝度用副画素を使用せずに前記赤出力用副画素、緑出力用副画素、及び青出力用副画素を一つの主画素単位とする液晶パネルを備える、カラー表示可能な液晶表示装置としても使用することができる、
液晶表示装置。A liquid crystal display device capable of color display, comprising a liquid crystal panel having a red output subpixel, a green output subpixel, a blue output subpixel, and a luminance subpixel as one main pixel unit,
For driving the luminance sub-pixel by performing predetermined arithmetic processing using the digital value for each of the red input sub-pixel, the green input sub-pixel, and the blue input sub-pixel obtained from the input image. Having a data calculation means for obtaining a digital value;
Using the digital value for driving the luminance subpixel determined by the data calculation means and the digital value for each of the red input subpixel, the green input subpixel, and the blue input subpixel, sub-pixel, to drive the sub-pixels for red output, sub-pixel for the green output, and blue sub-pixels for output,
The predetermined calculation processing by the data calculation means sets the digital value of the luminance sub-pixel as Wo , and is the smallest among the digital values of the red input sub-pixel, the green input sub-pixel, and the blue input sub-pixel. When the value is Ymin and the maximum value is Ymax,
Formula Wo = f (Ymin, Ymax)
A digital value Wo for driving the luminance subpixel is obtained by a function represented by :
By using a predetermined control signal, a liquid crystal panel that uses the red output subpixel, the green output subpixel, and the blue output subpixel as one main pixel unit without using the luminance subpixel. It can also be used as a liquid crystal display device capable of color display.
Liquid crystal display device.
入力画像から得られた、赤入力用副画素、緑入力用副画素、及び青入力用副画素毎のデジタル値を用いて所定の演算処理をすることにより、輝度用副画素を駆動するためのデジタル値を求めるデータ演算手段を有し、
このデータ演算手段により求められた輝度用副画素を駆動するためのデジタル値と、前記赤入力用副画素、緑入力用副画素、青入力用副画素毎のデジタル値とを用いて、輝度用副画素、赤出力用副画素、緑出力用副画素、及び青出力用副画素を駆動し、
前記データ演算手段による前記所定の演算処理は、前記輝度用副画素のデジタル値をＷｏとし、前記赤入力用副画素、緑入力用副画素、及び青入力用副画素毎のデジタル値のうち最小値をＹｍｉｎとし、最大値をＹｍａｘとした場合に、
演算式 Ｗｏ＝ｆ（Ｙｍｉｎ，Ｙｍａｘ）
により表される関数により、前記輝度用副画素を駆動するためのデジタル値Ｗｏを求め、
所定の制御信号を使用することにより、
前記輝度用副画素を使用せずに、前記赤出力用副画素、緑出力用副画素、及び青出力用副画素を一つの主画素単位とする画像と、
前記輝度用副画素を使用して、前記赤出力用副画素、緑出力用副画素、及び青出力用副画素を一つの主画素単位とする画像と、
を同時に表示可能とすることができる、
液晶表示装置。 A liquid crystal display device capable of color display, comprising a liquid crystal panel having a red output subpixel, a green output subpixel, a blue output subpixel, and a luminance subpixel as one main pixel unit,
For driving the luminance sub-pixel by performing predetermined arithmetic processing using the digital value for each of the red input sub-pixel, the green input sub-pixel, and the blue input sub-pixel obtained from the input image. Having a data calculation means for obtaining a digital value;
Using the digital value for driving the luminance subpixel determined by the data calculation means and the digital value for each of the red input subpixel, the green input subpixel, and the blue input subpixel, Driving a sub-pixel, a red output sub-pixel, a green output sub-pixel, and a blue output sub-pixel;
The predetermined calculation processing by the data calculation means sets the digital value of the luminance sub-pixel as Wo, and is the smallest among the digital values of the red input sub-pixel, the green input sub-pixel, and the blue input sub-pixel. When the value is Ymin and the maximum value is Ymax,
Formula Wo = f (Ymin, Ymax)
A digital value Wo for driving the luminance subpixel is obtained by a function represented by:
By using a predetermined control signal,
Without using the luminance subpixel, the image having the red output subpixel, the green output subpixel, and the blue output subpixel as one main pixel unit;
Using the luminance subpixel, the red output subpixel, the green output subpixel, and the blue output subpixel as one main pixel unit, and
Can be displayed simultaneously,
Liquid crystal display device.
前記演算式Ｗｏ＝ｆ（Ｙｍｉｎ，Ｙｍａｘ）により表される関数は、前記Ｙｍｉｎの値、又は前記Ｙｍａｘの値が大きくなるにつれ単調増加する関数であることを特徴とする液晶表示装置。 A liquid crystal display device according to claim 1 or 2,
The liquid crystal display device, wherein the function represented by the arithmetic expression Wo = f (Ymin, Ymax) is a function that monotonously increases as the value of Ymin or the value of Ymax increases.
前記演算式Ｗｏ＝ｆ（Ｙｍｉｎ，Ｙｍａｘ）により表される関数は、前記Ｙｍｉｎを変数とし、前記Ｙｍａｘを定数とする関数であって、前記Ｙｍｉｎの値が大きくなるにつれ、Ｗの値が単調増加することを特徴とする液晶表示装置。 A liquid crystal display device according to claim 1, 2 or 3,
The function represented by the arithmetic expression Wo = f (Ymin, Ymax) is a function with Ymin as a variable and Ymax as a constant, and the value of W increases monotonically as the value of Ymin increases. A liquid crystal display device.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000330859A JP3805189B2 (en) | 2000-10-30 | 2000-10-30 | Liquid crystal display |
| CNB2003101206554A CN100437719C (en) | 1999-11-12 | 2000-11-10 | Liquid crystal display device with high brightness |
| CN008049343A CN1343346B (en) | 1999-11-12 | 2000-11-10 | Liquid crystal display device with high brightness |
| US09/889,088 US6954191B1 (en) | 1999-11-12 | 2000-11-10 | Liquid crystal display device |
| PCT/EP2000/011288 WO2001037251A1 (en) | 1999-11-12 | 2000-11-10 | Liquid crystal display device witr high brightness |
| KR1020017008790A KR100777791B1 (en) | 1999-11-12 | 2000-11-10 | Liquid crystal display device with high brightness |
| EP00974538A EP1147509A1 (en) | 1999-11-12 | 2000-11-10 | Liquid crystal display device with high brightness |
| TW90111629A TW498301B (en) | 1999-11-12 | 2001-05-15 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000330859A JP3805189B2 (en) | 2000-10-30 | 2000-10-30 | Liquid crystal display |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002149116A JP2002149116A (en) | 2002-05-24 |
| JP2002149116A5 true JP2002149116A5 (en) | 2005-07-14 |
| JP3805189B2 JP3805189B2 (en) | 2006-08-02 |
Family
ID=18807300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000330859A Expired - Fee Related JP3805189B2 (en) | 1999-11-12 | 2000-10-30 | Liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3805189B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8031133B2 (en) | 2004-09-27 | 2011-10-04 | Qualcomm Mems Technologies, Inc. | Method and device for manipulating color in a display |
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|---|---|---|---|---|
| US7154458B2 (en) | 2002-08-21 | 2006-12-26 | Nec Viewtechnology, Ltd. | Video display device with spatial light modulator |
| KR100490322B1 (en) * | 2003-04-07 | 2005-05-17 | 삼성전자주식회사 | Organic electro-luminescent display |
| US6919681B2 (en) * | 2003-04-30 | 2005-07-19 | Eastman Kodak Company | Color OLED display with improved power efficiency |
| KR100943273B1 (en) * | 2003-05-07 | 2010-02-23 | 삼성전자주식회사 | Method and apparatus for converting a 4-color, and organic electro-luminescent display device and using the same |
| KR101012790B1 (en) | 2003-12-30 | 2011-02-08 | 삼성전자주식회사 | Apparatus and method of converting image signal for four color display device, and display device comprising the same |
| KR101058125B1 (en) | 2004-02-23 | 2011-08-24 | 삼성전자주식회사 | Image display method and display device, drive device and method thereof |
| JP4434935B2 (en) * | 2004-06-25 | 2010-03-17 | 三洋電機株式会社 | Signal processing circuit and signal processing method for self-luminous display |
| US8102407B2 (en) | 2004-09-27 | 2012-01-24 | Qualcomm Mems Technologies, Inc. | Method and device for manipulating color in a display |
| US7911428B2 (en) | 2004-09-27 | 2011-03-22 | Qualcomm Mems Technologies, Inc. | Method and device for manipulating color in a display |
| US7710632B2 (en) | 2004-09-27 | 2010-05-04 | Qualcomm Mems Technologies, Inc. | Display device having an array of spatial light modulators with integrated color filters |
| MX2007003581A (en) * | 2004-09-27 | 2007-05-23 | Idc Llc | Method and device for manipulating color in a display. |
| US8362987B2 (en) | 2004-09-27 | 2013-01-29 | Qualcomm Mems Technologies, Inc. | Method and device for manipulating color in a display |
| US7525730B2 (en) | 2004-09-27 | 2009-04-28 | Idc, Llc | Method and device for generating white in an interferometric modulator display |
| JP2006267148A (en) | 2005-03-22 | 2006-10-05 | Sanyo Electric Co Ltd | Display apparatus |
| WO2006111895A1 (en) * | 2005-04-21 | 2006-10-26 | Koninklijke Philips Electronics N.V. | Sub-pixel mapping |
| WO2006111926A1 (en) | 2005-04-21 | 2006-10-26 | Koninklijke Philips Electronics N.V. | Converting a three-primary input color signal into an n-primary color drive signal |
| JP4883932B2 (en) * | 2005-04-26 | 2012-02-22 | 三洋電機株式会社 | Display device |
| JP4679242B2 (en) * | 2005-05-25 | 2011-04-27 | 三洋電機株式会社 | Display device |
| KR101256965B1 (en) | 2005-06-22 | 2013-04-26 | 엘지디스플레이 주식회사 | LCD and driving method thereof |
| JP4701863B2 (en) * | 2005-06-24 | 2011-06-15 | 株式会社日立製作所 | Signal conversion method and signal conversion apparatus |
| JP5066327B2 (en) | 2005-06-28 | 2012-11-07 | 株式会社ジャパンディスプレイイースト | Liquid crystal display |
| JP2007114558A (en) * | 2005-10-21 | 2007-05-10 | Toshiba Matsushita Display Technology Co Ltd | Liquid crystal display device |
| WO2007116589A1 (en) * | 2006-04-10 | 2007-10-18 | Sharp Kabushiki Kaisha | Image display, image display drive method, drive program, and computer-readable recording medium |
| KR101230311B1 (en) * | 2006-04-10 | 2013-02-06 | 삼성디스플레이 주식회사 | DISPLAY DEVICE and DRIVING MATHOD of the same |
| US8004743B2 (en) | 2006-04-21 | 2011-08-23 | Qualcomm Mems Technologies, Inc. | Method and apparatus for providing brightness control in an interferometric modulator (IMOD) display |
| US8233013B2 (en) | 2006-12-21 | 2012-07-31 | Sharp Kabushiki Kaisha | Transmissive-type liquid crystal display device |
| JP2008209708A (en) * | 2007-02-27 | 2008-09-11 | Kyocera Corp | Image display device and driving method for the image-display device |
| US8390652B2 (en) | 2007-06-25 | 2013-03-05 | Sharp Kabushiki Kaisha | Drive control circuit and drive control method for color display device |
| JP2009092912A (en) * | 2007-10-09 | 2009-04-30 | Hitachi Displays Ltd | Liquid crystal display device |
| WO2011136018A1 (en) | 2010-04-28 | 2011-11-03 | Semiconductor Energy Laboratory Co., Ltd. | Liquid crystal display device and electronic appliance |
| US8848294B2 (en) | 2010-05-20 | 2014-09-30 | Qualcomm Mems Technologies, Inc. | Method and structure capable of changing color saturation |
| JP5520208B2 (en) * | 2010-12-16 | 2014-06-11 | グローバル・オーエルイーディー・テクノロジー・リミテッド・ライアビリティ・カンパニー | OLED display device |
| US20140043357A1 (en) * | 2011-04-08 | 2014-02-13 | Sharp Kabushiki Kaisha | Display device and display method |
| JP5889557B2 (en) * | 2011-07-07 | 2016-03-22 | シャープ株式会社 | Image display device |
| JP6071242B2 (en) * | 2012-04-27 | 2017-02-01 | キヤノン株式会社 | Imaging apparatus and display control method |
| JP2020144198A (en) * | 2019-03-05 | 2020-09-10 | 株式会社ジャパンディスプレイ | Display |
-
2000
- 2000-10-30 JP JP2000330859A patent/JP3805189B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8031133B2 (en) | 2004-09-27 | 2011-10-04 | Qualcomm Mems Technologies, Inc. | Method and device for manipulating color in a display |
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