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Publication number
JP2007018013A5
JP2007018013A5 JP2006281614A JP2006281614A JP2007018013A5 JP 2007018013 A5 JP2007018013 A5 JP 2007018013A5 JP 2006281614 A JP2006281614 A JP 2006281614A JP 2006281614 A JP2006281614 A JP 2006281614A JP 2007018013 A5 JP2007018013 A5 JP 2007018013A5
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JP
Japan
Prior art keywords
light source
input signal
image
color
luminance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2006281614A
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Japanese (ja)
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JP2007018013A (en
Filing date
Publication date
Priority claimed from US08/328,375 external-priority patent/US5537256A/en
Priority claimed from US08/392,055 external-priority patent/US5572341A/en
Priority claimed from US08/398,292 external-priority patent/US5715029A/en
Application filed filed Critical
Publication of JP2007018013A publication Critical patent/JP2007018013A/en
Publication of JP2007018013A5 publication Critical patent/JP2007018013A5/ja
Pending legal-status Critical Current

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Claims (6)

イメージをディスプレイするためのディスプレイ装置であって、
ディスプレイと、
異なる色の複数の光源を有する照明用光源と、
コンピュータコントロールと、
を備え、
前記コンピュータコントロールは、輝度情報とカラー情報を受け、入力信号におけるグレイ濃淡度範囲を求め、前記入力信号の輝度が高輝度である場合には前記照明用光源からの光量を増加させ、或いは、前記入力信号の輝度が低輝度である場合には前記照明用光源からの光量を減少させ、かつ、該光量の増加又は減少に加えて、前記入力信号に対応するイメージを前記ディスプレイ上にディスプレイする場合のグレイ濃淡度の範囲を増加させることによりディスプレイされるイメージのコントラストを増大させる、
ことを特徴とするディスプレイ装置。 A display device for displaying an image,
Display,
An illumination light source having a plurality of light sources of different colors;
Computer control,
With
The computer control receives luminance information and color information, obtains a gray intensity range in the input signal, and increases the amount of light from the illumination light source when the luminance of the input signal is high, or When the luminance of the input signal is low, the amount of light from the illumination light source is decreased, and in addition to the increase or decrease of the amount of light, an image corresponding to the input signal is displayed on the display Increase the contrast of the displayed image by increasing the gray intensity range of
A display device. 請求項１に記載したディスプレイ装置であって、前記照明用光源は、異なるカラーの複数の光源要素を含み、各々のカラーについて光源要素は個別に制御できることを特徴とするディスプレイ装置。   2. The display device according to claim 1, wherein the illumination light source includes a plurality of light source elements of different colors, and the light source elements can be individually controlled for each color. 請求項２に記載したディスプレイ装置であって、前記入力信号のグレイ濃淡度範囲を各々のカラー成分について求め、各々のカラー成分の輝度が暗い場合には、各々のカラー成分についての照明用光源の輝度を減少させ、又は、高輝度である場合には照明光源の輝度を増加させ、かつ、該輝度の減少又は増加に加えて、ディスプレイにおける各々のカラー成分についてのグレイ濃淡度範囲を個別に増加させることを特徴とするディスプレイ装置。 3. The display device according to claim 2, wherein a gray intensity range of the input signal is obtained for each color component, and if the luminance of each color component is dark, the illumination light source for each color component is determined. It reduces brightness, or, in the case of a high intensity to increase the intensity of the illumination light source, and, in addition to the decrease or increase in the luminance, increases the gray shades of the range for each of the color components in the display individually A display device characterized by being made to cause. 請求項２に記載したディスプレイ装置であって、前記光源要素は発光ダイオードであることを特徴とするディスプレイ装置。   3. The display device according to claim 2, wherein the light source element is a light emitting diode. カラーイメージをディスプレイするための方法であって、
少なくとも３つの個別に制御できるカラーを有する照明用光源からディスプレイを照明する光を与えてイメージをディスプレイするに際し、
コンピュータコントロールにより輝度情報及びカラー情報を処理し、各々のカラーについて入力信号における輝度及びグレイ濃淡度を求め、
カラー成分ごとに個別に、入力信号に対応するイメージが暗いイメージの場合には光量を減少させ、或いは、カラー成分ごとに個別に、入力信号に対応するイメージが高輝度のイメージの場合には光量を増加させ、かつ、該光量の減少又は増加に加えて、カラー成分ごとに個別に、前記入力信号に対応するイメージのディスプレイにおけるグレイ濃淡度の範囲を増加させることによりコントラストを増大させる、
ことを特徴とする方法。 A method for displaying a color image, comprising:
In displaying an image by providing light for illuminating the display from at least three individually controllable lighting sources,
Luminance information and color information are processed by computer control, and the luminance and gray intensity in the input signal are obtained for each color.
Individually for each color component, reduce the amount of light if the image corresponding to the input signal is a dark image, or individually for each color component, if the image corresponding to the input signal is a high-intensity image And increasing the contrast by increasing the gray intensity range in the display of the image corresponding to the input signal individually for each color component , in addition to decreasing or increasing the amount of light .
A method characterized by that. カラーイメージをディスプレイするための方法であって、
少なくとも３つのカラーを有する照明用光源からディスプレイを照明する光を与えてイメージをディスプレイするに際し、
コンピュータコントロールにより、輝度情報及びカラー情報を処理し、入力信号における輝度及びグレイ濃淡度を求め、前記入力信号に対応するイメージが暗いイメージである場合には前記照明光源の光量を減少させ、又は、高輝度のイメージである場合には前記照明光源の光量を増加させるように、前記照明光源の光量を調節し、かつ、該光量の調節に加えて、該入力信号に対応するイメージをディスプレイする場合のグレイ濃淡度の範囲を増加させることによりコントラストを増大させる、
ことを特徴とする方法。 A method for displaying a color image, comprising:
When displaying an image by providing light for illuminating the display from an illumination light source having at least three colors,
A computer control, processes the luminance information and color information, obtains the luminance and gray shading of the input signal, reduces the amount of light of the illumination light source when the image corresponding to the input signal is a dark image, or, In the case of a high-brightness image, when the light quantity of the illumination light source is adjusted so as to increase the light quantity of the illumination light source , and in addition to the adjustment of the light quantity, an image corresponding to the input signal is displayed Increase the contrast by increasing the gray intensity range of
A method characterized by that.
JP2006281614A 1994-10-25 2006-10-16 Optical display system and method Pending JP2007018013A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/328,375 US5537256A (en) 1994-10-25 1994-10-25 Electronic dithering system using birefrigence for optical displays and method
US08/392,055 US5572341A (en) 1994-10-25 1995-02-22 Electro-optical dithering system using birefringence for optical displays and method
US08/398,292 US5715029A (en) 1994-10-25 1995-03-03 Optical dithering system using birefringence for optical displays and method
US197295P 1995-07-23 1995-07-23

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2005307447A Division JP2006126833A (en) 1994-10-25 2005-10-21 Optical display system and method, active and passive dithering using birefringence, color image superpositioning, and display enhancement with phase coordinated polarization switching

Publications (2)

Publication Number Publication Date
JP2007018013A JP2007018013A (en) 2007-01-25
JP2007018013A5 true JP2007018013A5 (en) 2008-05-29

Family

ID=27485133

Family Applications (6)

Application Number Title Priority Date Filing Date
JP8514122A Pending JPH10512684A (en) 1994-10-25 1995-10-25 Optical display system and method, active and passive dithering using birefringence, color image superposition, and display enhancement
JP2000316346A Withdrawn JP2001166739A (en) 1994-10-25 2000-10-17 Optical display system and method, active and passive dithering using double refraction, color image superposition, and display emphasis using phase integrating polarizing switch
JP2005307447A Withdrawn JP2006126833A (en) 1994-10-25 2005-10-21 Optical display system and method, active and passive dithering using birefringence, color image superpositioning, and display enhancement with phase coordinated polarization switching
JP2006281613A Pending JP2007018012A (en) 1994-10-25 2006-10-16 Optical display system and method, active and passive dithering using birefringence, color image superpositioning, and display enhancement with phase coordinated polarization switching
JP2006281614A Pending JP2007018013A (en) 1994-10-25 2006-10-16 Optical display system and method
JP2010088684A Pending JP2010204675A (en) 1994-10-25 2010-04-07 Optical display system and method, active and passive dithering using birefringence, color image superpositioning and display enhancement with phase coordinated polarization switching

Family Applications Before (4)

Application Number Title Priority Date Filing Date
JP8514122A Pending JPH10512684A (en) 1994-10-25 1995-10-25 Optical display system and method, active and passive dithering using birefringence, color image superposition, and display enhancement
JP2000316346A Withdrawn JP2001166739A (en) 1994-10-25 2000-10-17 Optical display system and method, active and passive dithering using double refraction, color image superposition, and display emphasis using phase integrating polarizing switch
JP2005307447A Withdrawn JP2006126833A (en) 1994-10-25 2005-10-21 Optical display system and method, active and passive dithering using birefringence, color image superpositioning, and display enhancement with phase coordinated polarization switching
JP2006281613A Pending JP2007018012A (en) 1994-10-25 2006-10-16 Optical display system and method, active and passive dithering using birefringence, color image superpositioning, and display enhancement with phase coordinated polarization switching

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2010088684A Pending JP2010204675A (en) 1994-10-25 2010-04-07 Optical display system and method, active and passive dithering using birefringence, color image superpositioning and display enhancement with phase coordinated polarization switching

Country Status (2)

Country Link
EP (1) EP0789852A4 (en)
JP (6) JPH10512684A (en)

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JP2006284647A (en) * 2005-03-31 2006-10-19 Pioneer Electronic Corp Display apparatus
JP4432933B2 (en) 2005-07-08 2010-03-17 セイコーエプソン株式会社 Image display device and image display method
JP4687526B2 (en) 2005-07-27 2011-05-25 セイコーエプソン株式会社 Moving image display device and moving image display method
JP4482603B2 (en) 2005-11-01 2010-06-16 ジ・アリゾナ・ボード・オブ・リージェンツ・オン・ビハーフ・オブ・ザ・ユニバーシティ・オブ・アリゾナ Polarization coupling cube corner retroreflector
JP5312748B2 (en) * 2007-03-02 2013-10-09 オリンパス株式会社 Holographic projection method and holographic projection apparatus
JP2014052494A (en) 2012-09-06 2014-03-20 Sharp Corp Image display device, control method of image display device, control program of image display device, and recording medium recording control program
JP6013176B2 (en) * 2012-12-27 2016-10-25 エルジー ディスプレイ カンパニー リミテッド 3D display and display driving method

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JPH0198383A (en) * 1987-10-09 1989-04-17 Sony Corp Display device
JPH0566501A (en) * 1991-09-09 1993-03-19 Toshiba Corp Projection type liquid crystal display device
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