JP2009152198A - 照明パネルにおいて色管理制御を実現するためのシステム及びその方法 - Google Patents
照明パネルにおいて色管理制御を実現するためのシステム及びその方法 Download PDFInfo
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2003—Display of colours
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
- G09G3/3413—Details of control of colour illumination sources
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
- G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
- G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
- G09G3/3426—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
- H05B45/22—Controlling the colour of the light using optical feedback
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
- H05B45/24—Controlling the colour of the light using electrical feedback from LEDs or from LED modules
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
- H05B45/28—Controlling the colour of the light using temperature feedback
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- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
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Abstract
【解決手段】いくつかの実施形態による方法は、固体照明パネルの色特性に対応する色管理参照値をマイクロコントローラ内に受領すること、及び色管理参照値に応答して、マイクロコントローラの制御モードを調整することを含んでいる。
【選択図】図3
Description
30 タイル
20 照明パネルバー
40 インターフェース
42A乃至42C 固体照明デバイス
44A乃至44C ストリング
320 電流ドライバ
330 マイクロコントローラ
340A 温度センサ
340B 他のセンサ
340C 色センサ
350 ユーザ入力
360 色管理ユニット
610 照明パネル
620 多モード色管理システム
1200 ディスプレイ装置
1210 LCDパネル
1220 照明パネル
1230 LCDコントローラ
1240 バックライトコントローラ
1330 ディスプレイコントローラ
1310 LCDパネル
1320 照明パネル
1330 ディスプレイコントローラ
1340 バックライトコントローラ
1360 電流ドライバ
Claims (25)
- マイクロコントローラを用いて固体照明パネルを制御する固体照明パネル制御方法であって、
前記固体照明パネルの色特性に対応する色管理参照値を、前記マイクロコントローラ内に受領するステップと、
前記色管理参照値に応答して前記マイクロコントローラの制御モードを調整するステップと
を有することを特徴とする固体照明パネル制御方法。 - 制御モードを調整する前記ステップは、
前記色管理参照値の受領に応答して、前記マイクロコントローラを閉ループ制御モードで、前記固体照明パネルが前記色管理参照値に対応する色特性目標値に達するまで動作させるステップと、
前記固体照明パネルが前記色特性目標値に実質的に達したときに、前記マイクロコントローラを開ループ制御モードで動作させるステップと
を有することを特徴とする請求項1に記載の固体照明パネル制御方法。 - 前記色管理参照値は、ユーザ入力値を含むことを特徴とする請求項1に記載の固体照明パネル制御方法。
- 前記色管理参照値は、較正システム及び/又は監視コントローラからの値を含むことを特徴とする請求項1に記載の固体照明パネル制御方法。
- 色管理変更値を、前記色管理参照値と、前記照明パネルの現在の色特性に対応する現在の色管理値との差として推定するステップと、
前記色管理変更値がしきい値よりも大きい場合に、前記色管理参照値と前記現在の色管理値との間の増分値を発生させるステップと
を更に有することを特徴とする請求項1に記載の固体照明パネル制御方法。 - 色特性ドリフトを補正するために、前記マイクロコントローラを閉ループ制御モードで定期的に動作させるステップを更に有することを特徴とする請求項1に記載の固体照明パネル制御方法。
- 前記色特性は、照明パネル輝度を含むことを特徴とする請求項1に記載の固体照明パネル制御方法。
- 前記色特性は、照明パネル色度値を含むことを特徴とする請求項1に記載の固体照明パネル制御方法。
- 複数の電流ドライバによって駆動されるように構成された複数の固体照明デバイスを含む照明パネルと、
前記照明パネルを、前記複数の電流ドライバを介して制御するように構成され、動的入力信号値に応答して閉ループ制御モードで選択的に動作するように更に構成された多モード色管理システムと
を備えたことを特徴とする照明パネルシステム。 - 前記多モード色管理システムは、複数の照明パネルセンサからセンサ入力を受領するように構成された色管理ユニットを備え、前記色管理ユニットは、前記複数の固体照明デバイスの光出力を制御するための色管理情報を発生させるように構成されることを特徴とする請求項9に記載の照明パネルシステム。
- 前記多モード色管理システムは、色管理ユニットから色管理情報を、またユーザ入力から前記動的入力信号値を受領するように構成されたマイクロコントローラを備え、前記動的入力信号値は、前記照明パネルの色特性に対応することを特徴とする請求項9に記載の照明パネルシステム。
- 前記照明パネルの前記色特性は、固体照明パネル輝度出力を含むことを特徴とする請求項11に記載の照明パネルシステム。
- 前記照明パネルの前記色特性は、固体照明パネル色度値を含むことを特徴とする請求項11に記載の照明パネルシステム。
- 前記多モード色管理システムは、色管理変更値を推定し、前記色管理変更値をしきい値と比較し、かつ前記色管理変更値が前記しきい値よりも大きい場合に、マイクロコントローラを閉ループ制御モードに設定するように構成された、モード選択モジュールを備えたことを特徴とする請求項9に記載の照明パネルシステム。
- 前記モード選択モジュールは更に、前記色管理変更値が前記しきい値未満である場合に、前記マイクロコントローラを開ループ制御モードに設定するように構成されることを特徴とする請求項14に記載の照明パネルシステム。
- 前記色管理変更値は、前記動的入力信号値と現在の色管理値との差を含むことを特徴とする請求項14に記載の照明パネルシステム。
- 前記動的入力信号値と現在の色管理値との間の複数の増分値を推定するように構成された、増分モジュールを更に備えたことを特徴とする請求項14に記載の照明パネルシステム。
- 請求項9に記載の照明パネルシステムを用いるように構成されたことを特徴とするバックライト付きディスプレイ装置。
- 固体照明パネルにおいて安定化された色管理システムを実現する色管理制御方法であって、
前記固体照明パネルの色特性に対応する色管理信号を、マイクロコントローラ内に受領するステップと、
前記色管理信号を、現在の色特性に対応する現在の色管理値に対して分析するステップと、
前記色管理信号を分析する前記ステップに応答して制御システムモードを設定するステップと
を有することを特徴とする色管理制御方法。 - 前記色管理信号を受領する前記ステップは、前記固体照明パネルの色特性に対応する色管理参照値を受領するステップを有することを特徴とする請求項19に記載の色管理制御方法。
- 前記色管理参照信号は、ユーザ入力信号を含むことを特徴とする請求項20に記載の色管理制御方法。
- 前記色管理信号を分析する前記ステップは、
色管理参照値を前記現在の色管理値と比較して、色管理変更値を決定するステップと、
前記色管理変更値をしきい値と比較するステップと
を有し、
前記制御システムモードを設定する前記ステップは、前記色管理変更値が前記しきい値未満である場合に、前記マイクロコントローラを開ループ制御システムモードに設定するステップを有する
ことを特徴とする請求項19に記載の色管理制御方法。 - 前記色管理変更値が前記しきい値よりも大きい場合、前記制御システムモードを設定する前記ステップは更に、
前記マイクロコントローラを閉ループ制御システムモードに設定するステップと、
前記色特性を前記現在の色管理値から前記色管理参照値に増加的に調整するように構成された複数の色管理変更増分値を計算するステップと
を有することを特徴とする請求項22に記載の色管理制御方法。 - 前記マイクロコントローラが前記閉ループ制御モードにある場合に、固体照明パネル光センサから色管理フィードバック値を受領するステップを更に有することを特徴とする請求項23に記載の色管理制御方法。
- 前記現在の色管理値が最大色管理値に近いよりも最小色管理値に近い場合、前記しきい値が第1のしきい値に設定され、前記現在の色管理値が最小色管理値に近いよりも最大色管理値に近い場合、前記しきい値が前記第1のしきい値よりも大きな第2のしきい値に設定される、前記現在の色管理値に応答して前記しきい値を動的に調整するステップを更に有することを特徴とする請求項22に記載の色管理制御方法。
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US11/958,721 US8823630B2 (en) | 2007-12-18 | 2007-12-18 | Systems and methods for providing color management control in a lighting panel |
US11/958,721 | 2007-12-18 |
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JP2009152198A true JP2009152198A (ja) | 2009-07-09 |
JP5661996B2 JP5661996B2 (ja) | 2015-01-28 |
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Also Published As
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EP2073606A3 (en) | 2011-05-11 |
EP2073606A2 (en) | 2009-06-24 |
US20210160981A1 (en) | 2021-05-27 |
US20090153450A1 (en) | 2009-06-18 |
EP2073606B1 (en) | 2019-01-30 |
US8823630B2 (en) | 2014-09-02 |
US20140361712A1 (en) | 2014-12-11 |
JP5661996B2 (ja) | 2015-01-28 |
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