JP2008145608A5 - - Google Patents

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JP2008145608A5
JP2008145608A5 JP2006331138A JP2006331138A JP2008145608A5 JP 2008145608 A5 JP2008145608 A5 JP 2008145608A5 JP 2006331138 A JP2006331138 A JP 2006331138A JP 2006331138 A JP2006331138 A JP 2006331138A JP 2008145608 A5 JP2008145608 A5 JP 2008145608A5
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Prior art keywords
liquid crystal
light
temperature
light source
source lamp
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JP2006331138A
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Japanese (ja)
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JP4900940B2 (en
JP2008145608A (en
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Priority claimed from JP2006331138A external-priority patent/JP4900940B2/en
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Publication of JP2008145608A5 publication Critical patent/JP2008145608A5/ja
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Claims (4)

光源ランプの光をR光、G光、B光に分け、該R光、G光、B光を、それぞれに対応する液晶パネルを介してスクリーンに拡大投射して該スクリーンにカラー画像を投影する液晶プロジェクタ装置であって、
前記光源ランプの温度を測定するランプ温度測定手段と、
前記液晶パネルそれぞれの温度を測定するパネル温度測定手段と、
前記測定した前記光源ランプの温度、および、前記光源ランプの温度と分光分布の関係を示すテーブルを参照して、該光源ランプの分光分布を取得する第一の取得手段と、
前記測定した前記液晶パネルそれぞれの温度、および、前記液晶パネルの温度と反射率の関係を示すテーブルを参照して、該液晶パネルそれぞれの反射率または透過率を取得する第二の取得手段と、
前記分光分布、および、前記液晶パネルそれぞれの反射率または透過率に基づいて、前記液晶プロジェクタ装置における色再現情報を算出する算出手段と、
前記算出された色再現情報に基づいて、前記カラー画像を表すRGB値を補正する補正用プロファイルを作成するプロファイル作成手段とを有することを特徴とする液晶プロジェクタ装置。 The light source lamp R light, G light, Divide the B light, the R light, G light, B light, and enlarged and projected on a screen via the liquid crystal panel corresponding to each projected color images on the screen A liquid crystal projector device,
Lamp temperature measuring means for measuring the temperature of the light source lamp;
Panel temperature measuring means for measuring the temperature of each of the liquid crystal panels;
A first acquisition means for acquiring a spectral distribution of the light source lamp with reference to a table showing a relationship between the measured temperature of the light source lamp and the temperature of the light source lamp and a spectral distribution;
The measured liquid crystal panel each of temperature, and, by referring to the table showing the relationship between the temperature and the reflectivity of the liquid crystal panel, a second acquiring means for acquiring a reflectance or transmittance of each said liquid crystal panel,
The spectral distribution and the calculation means based on the reflectance or transmittance of each of the liquid crystal panel, and calculates the color reproduction information in the liquid crystal projector device,
A liquid crystal projector apparatus comprising: a profile creating unit that creates a correction profile for correcting an RGB value representing the color image based on the calculated color reproduction information. 前記算出手段は、前記液晶プロジェクタ装置におけるRGB各単色の最大信号値および白色の最大信号値において、前記色再現情報を算出することを特徴とする請求項1に記載された液晶プロジェクタ装置。 The calculating means, the liquid crystal projector device the maximum signal value of each RGB monochromatic in and have contact to the maximum signal value of the white, the liquid crystal projector device according to claim 1, characterized in that to calculate the color reproduction information. 光源ランプの光をR光、G光、B光に分け、該R光、G光、B光を、それぞれに対応する液晶パネルを介してスクリーンに拡大投射して該スクリーンにカラー画像を投影する液晶プロジェクタ装置の制御方法であって、
前記光源ランプの温度を測定するステップと、
前記液晶パネルそれぞれの温度を測定するステップと、
前記測定した前記光源ランプの温度、および、前記光源ランプの温度と分光分布の関係を示すテーブルを参照して、該光源ランプの分光分布を取得するステップと、
前記測定した前記液晶パネルそれぞれの温度、および、前記液晶パネルの温度と反射率の関係を示すテーブルを参照して、該液晶パネルそれぞれの反射率または透過率を取得するステップと、
前記分光分布、および、前記液晶パネルそれぞれの反射率または透過率に基づいて、前記液晶プロジェクタ装置における色再現情報を算出するステップと、
前記算出された色再現情報に基づいて、前記カラー画像を表すRGB値を補正する補正用プロファイルを作成するステップとを有することを特徴とする液晶プロジェクタ装置の制御方法。 The light source lamp R light, G light, Divide the B light, the R light, G light, B light, and enlarged and projected on a screen via the liquid crystal panel corresponding to each projected color images on the screen A liquid crystal projector device control method comprising:
Measuring the temperature of the light source lamp;
Measuring the temperature of each of the liquid crystal panels;
Obtaining the spectral distribution of the light source lamp with reference to the measured temperature of the light source lamp and a table showing the relationship between the temperature of the light source lamp and the spectral distribution;
The measured liquid crystal panel each of temperature, and a step of referring to a table showing the relationship between the temperature and the reflectivity of the liquid crystal panel to obtain a reflectance or transmittance of each said liquid crystal panel,
A step wherein the spectral distribution, and, based on the reflectance or transmittance of each of the liquid crystal panel, and calculates the color reproduction information in the liquid crystal projector device,
And a step of creating a correction profile for correcting RGB values representing the color image based on the calculated color reproduction information. コンピュータに請求項3に記載された制御を実行させることを特徴とするプログラム。 A program characterized by executing the control according to claim 3 on a computer.
JP2006331138A 2006-12-07 2006-12-07 Liquid crystal projector device and control method thereof Expired - Fee Related JP4900940B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006331138A JP4900940B2 (en) 2006-12-07 2006-12-07 Liquid crystal projector device and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006331138A JP4900940B2 (en) 2006-12-07 2006-12-07 Liquid crystal projector device and control method thereof

Publications (3)

Publication Number Publication Date
JP2008145608A JP2008145608A (en) 2008-06-26
JP2008145608A5 true JP2008145608A5 (en) 2010-01-28
JP4900940B2 JP4900940B2 (en) 2012-03-21

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Family Applications (1)

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JP2006331138A Expired - Fee Related JP4900940B2 (en) 2006-12-07 2006-12-07 Liquid crystal projector device and control method thereof

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013108646A1 (en) * 2012-01-16 2013-07-25 シャープ株式会社 Display device
JP6212713B2 (en) * 2013-01-17 2017-10-18 パナソニックＩｐマネジメント株式会社 Image projection apparatus and image projection method
JP2017003949A (en) * 2015-06-16 2017-01-05 大日本印刷株式会社 Liquid crystal display and color correction program
JP6789845B2 (en) 2017-02-22 2020-11-25 三菱電機株式会社 White balance adjustment method, method of manufacturing a display device with white balance adjustment, white balance adjustment device and display device

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* Cited by examiner, † Cited by third party
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JP2004101722A (en) * 2002-09-06 2004-04-02 Matsushita Electric Ind Co Ltd Illumination optical device, projection type display device, and back projection type display device using same
JP4417784B2 (en) * 2003-09-05 2010-02-17 シャープ株式会社 Light emitting device and display device
JP4508754B2 (en) * 2004-07-14 2010-07-21 三菱電機株式会社 Image display device and image display method
JP4805026B2 (en) * 2006-05-29 2011-11-02 シャープ株式会社 LIGHT EMITTING DEVICE, DISPLAY DEVICE, AND LIGHT EMITTING DEVICE CONTROL METHOD

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