JP2008264430A - Target color emphasizing system - Google Patents

Target color emphasizing system Download PDF

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JP2008264430A
JP2008264430A JP2007115279A JP2007115279A JP2008264430A JP 2008264430 A JP2008264430 A JP 2008264430A JP 2007115279 A JP2007115279 A JP 2007115279A JP 2007115279 A JP2007115279 A JP 2007115279A JP 2008264430 A JP2008264430 A JP 2008264430A
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color
light
target color
target
unit
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Naohiro Toda
直宏 戸田
Satoru Yamauchi
哲 山内
Katsumi Watanabe
加津己 渡辺
Koki Noguchi
公喜 野口
Hiroyuki Sekii
広行 関井
Yuki Shirakawa
友樹 白川
Yoko Matsubayashi
容子 松林
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Panasonic Electric Works Co Ltd
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Matsushita Electric Works Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a great visual effect without performing troublesome work by illuminating a target color emphatically with a simple structure in a target color emphasizing system for illuminating a target color with emphasis. <P>SOLUTION: The target color emphasizing system 1 includes: a target color detection part 2 for detecting a color of a target object 11; an operation part 3 for obtaining a complementary color of the target color; a control unit 4 for creating a control signal based on the complementary color of the target color; a lighting circuit part 5 where current in accordance with a control signal is conducted; a power supply part 6 connected to the lighting circuit part 5; a surface light emitting part 7 for causing a mounting surface 10 to emit light with a complementary light and illuminating the target object; an ambient light detection part 8 for detecting the color of the ambient light illuminating the target object 11; and an illuminance detection part 9 for detecting illuminance of the target object 11. The surface light emitting part 7 is provided with a mounting table 71 having a mounting surface 10. A color of an illuminating light by the surface light emitting part 7 is corrected in accordance with a detection result of the ambient light detection part 8 and luminance of the illuminating light is adjusted in accordance with the detection result of the color illuminance detection part 9. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、載置面上に載置された陳列物を対象として、その色を強調して照明する対象色強調システムに関する。   The present invention relates to an object color enhancement system that illuminates a display object placed on a placement surface with its color emphasized.

従来より、商品や展示物等の陳列物を対象として、その色を強調して照明する際には、陳列物の上方から光を照射する方法が主に用いられている。このような方法を用いて上記照明する照明システムにおいて、陳列物に対する照明光の照射状態について図１５を参照して説明する。本照明システム１０１においては、棚やテーブル等の載置面１０２上に照明対象とした陳列物（以下、対象物とする）１０３が載置され、対象物１０３の上方には蛍光灯や白熱電球等の光源１０４が設けられている。対象物１０３としては、衣服や食器、植物等、様々なものが挙げられ、その大きさや形状、色も様々である。このように構成される照明システムにおいて、光源１０４から対象物１０３に向けて照明光１０５が照射されると、図１５（ａ）に示すように、対象物１０３に合わせて照明光１０５の範囲を調整できる場合を除いて、対象物１０３だけでなくその周囲の載置面１０２にも照明光１０５が照射されたり、図１５（ｂ）に示すように、対象物１０３の一部（例えば、対象物の中央部）しか照明光１０５が照射されなかったりする。   2. Description of the Related Art Conventionally, when a display object such as a product or an exhibition is targeted and illuminated with its color emphasized, a method of irradiating light from above the display object has been mainly used. In the illumination system that illuminates using such a method, the irradiation state of the illumination light on the display will be described with reference to FIG. In the present lighting system 101, a display object 103 (hereinafter referred to as an object) 103 is placed on a mounting surface 102 such as a shelf or a table, and a fluorescent lamp or an incandescent light bulb is placed above the object 103. A light source 104 such as is provided. Examples of the object 103 include various items such as clothes, tableware, and plants, and the sizes, shapes, and colors thereof are also various. In the illumination system configured as described above, when the illumination light 105 is irradiated from the light source 104 toward the target object 103, the range of the illumination light 105 is adjusted according to the target object 103 as shown in FIG. Except for the case where adjustment is possible, not only the object 103 but also the surrounding mounting surface 102 is irradiated with the illumination light 105, or as shown in FIG. The illumination light 105 is irradiated only on the center part of the object.

その結果、対象色だけでなくその周辺部の色も強調され、あるいは対象物の全体において対象色が強調されないで、対比・同化等の色彩効果によって、本来の効果である照明による色の強調作用が薄れてしまう場合がある。なお、上述のように、照明光の範囲を調整できる構成にしようとすると、対象物の大きさや形状の他に、対象物の位置がずれて光源と対象物の距離が変わることにも対処する必要があり、複雑な構造が必要となってコストアップとなる。   As a result, not only the target color but also the surrounding color is emphasized, or the target color is not emphasized in the entire object, and the original effect of color enhancement by illumination such as contrast and assimilation May fade. Note that, as described above, if the configuration is such that the range of illumination light can be adjusted, in addition to the size and shape of the object, the distance between the light source and the object is changed by shifting the position of the object. It is necessary and a complicated structure is required, resulting in an increase in cost.

また、照明としての自然な色を維持したまま、特定の対象色を強調するためには、対象色に応じて照明光の色を変える際に、単純に照明光の色を変えずに、照明光の波長を操作することが必要とされ、光源を特別なものにしたり、フィルタの透過率や反射鏡の反射率を変更する必要がある。そのため、簡便な構成でありながら、対象色をより鮮やかに見せることができるよう、対象色を強調して照明するための種々の照明技術が知られている。   In order to emphasize a specific target color while maintaining the natural color of the illumination, when changing the color of the illumination light according to the target color, simply change the illumination light color. It is necessary to control the wavelength of light, and it is necessary to make the light source special, or to change the transmittance of the filter and the reflectance of the reflecting mirror. For this reason, various illumination techniques for emphasizing and illuminating the target color are known so that the target color can be displayed more vividly with a simple configuration.

例えば、特許文献１には、複数の色を用いて描かれた図柄を持つ表示面と、表示面を照射する光源と、光源の光強度を制御する光源駆動部とを備えた表示システムが開示されている。本表示システムによれば、表示面の図柄に用いられている表示色と、光源からの照明色とを互いに補色の関係に設定し、色の補色関係による効果を利用することにより、従来にない視覚的効果を得ることができる。   For example, Patent Document 1 discloses a display system including a display surface having a pattern drawn using a plurality of colors, a light source that illuminates the display surface, and a light source driving unit that controls the light intensity of the light source. Has been. According to the present display system, the display color used in the design of the display surface and the illumination color from the light source are set in a complementary relationship with each other, and the effect of the complementary color relationship of the color is used, which is not conventional. A visual effect can be obtained.

また、特許文献２には、発光体を点灯させるための点灯制御部を内蔵する本体部と、本体部内に設けられた反射部材と、反射部材を覆うように容器本体部の開口部に取り付けられた光透過プレートと備えた載置台が開示されている。本載置台は、光透過プレートを光色可変に発光させ、光透過プレートに載置した陳列物を照明するものである。
特開２００４−１０１６２６号公報 特開２００５−１６０６３９号公報 Further, in Patent Document 2, a main body unit that incorporates a lighting control unit for lighting a light emitter, a reflecting member provided in the main body unit, and an opening of the container main body unit so as to cover the reflecting member are attached. A mounting table provided with a light transmission plate is disclosed. The present mounting table illuminates the display placed on the light transmitting plate by causing the light transmitting plate to emit light with variable light color.
JP 2004-101626 A Japanese Patent Laid-Open No. 2005-160639

しかしながら、特許文献１に記載される表示システムでは、対象色の補色光を表示面に照射し、表示面から反射される光によって、色の補色関係による効果を得るものであるから、対象物の周囲にも補色光が照射され、上述の対比・同化等の色彩効果による影響を排除することが難しく、従って、対象色を鮮やかに見せることが困難となる。   However, in the display system described in Patent Document 1, since the complementary color light of the target color is irradiated on the display surface and the effect of the color complementary color relationship is obtained by the light reflected from the display surface, The surroundings are also irradiated with complementary color light, and it is difficult to eliminate the influence of the color effects such as the above-described comparison and assimilation, and thus it is difficult to make the target color appear vivid.

また、特許文献２に記載される載置台では、陳列物の色を検出する機能が設けられておらず、その色を強調して照明しようとする際には、まず、ユーザーが陳列物を目視したり、あるいは色彩計にて測定したりして、対象色を抽出する作業が必要である。さらに、陳列物が変わる度にこのような作業が必要となり、利便性に劣る。   In addition, the mounting table described in Patent Document 2 is not provided with a function for detecting the color of the display object. When the user tries to illuminate with the color emphasized, the user first visually checks the display object. It is necessary to extract the target color by measuring with a color meter. Furthermore, such work is required every time the display changes, which is inconvenient.

本発明は、上記問題を解決するためになされたものであり、簡便な構成で煩雑な作業をすることなく対象色を的確に強調して照明することができ、大きな視覚的効果が得られる対象色強調システムを提供することを目的とする。   The present invention has been made in order to solve the above-described problem, and can illuminate with a simple configuration and accurately emphasize the target color without complicated work, and can achieve a great visual effect. The object is to provide a color enhancement system.

上記目的を達成するために請求項１の発明は、陳列物が載置面上に載置され、この陳列物を対象として、その色を強調して照明する対象色強調システムであって、陳列物を載置する載置面と、前記陳列物の色を対象色として検出する対象色検出部と、前記対象色検出部によって得られる前記対象色の補色を求める演算部と、前記演算部によって求められる前記補色光によって前記載置面を発光させ前記陳列物を照明する面発光部と、を備えるものである。   In order to achieve the above object, the invention of claim 1 is an object color enhancement system in which a display object is mounted on a mounting surface, and the display object is an object color emphasizing and illuminating the display object. A placement surface on which an object is placed; a target color detection unit that detects a color of the display object as a target color; a calculation unit that obtains a complementary color of the target color obtained by the target color detection unit; and the calculation unit And a surface light emitting unit that illuminates the display by causing the placement surface to emit light with the required complementary color light.

請求項２の発明は、請求項１に記載の発明において、前記陳列物を照射する環境光の色を検出する環境光検出部を備え、前記環境光検出部の検出結果に応じて、前記面発光部による照明光の色が補正されるものである。   The invention according to claim 2 is the invention according to claim 1, further comprising an ambient light detection unit that detects a color of ambient light that irradiates the display, and the surface according to a detection result of the ambient light detection unit. The color of the illumination light by the light emitting unit is corrected.

請求項３の発明は、請求項１又は請求項２に記載の発明において、前記陳列物の照度を検出する照度検出部を備え、前記照度検出部の検出結果に応じて、前記面発光部による照明光の輝度が調整されるものである。   The invention according to claim 3 is the invention according to claim 1 or 2, further comprising an illuminance detection unit that detects the illuminance of the display object, and according to a detection result of the illuminance detection unit, The brightness of the illumination light is adjusted.

請求項１の発明によれば、陳列物の背景である載置面が対象色の補色となるように照明されるので、陳列物の上方から対象色を強調して照明する際に必要な、照明光の複雑な波長制御が不要となり、照明光の色を制御するのみで対象色が的確に強調されて、陳列物の色を鮮やかに見せることができる。   According to the invention of claim 1, since the placement surface that is the background of the display object is illuminated so as to be a complementary color of the target color, it is necessary when the target color is emphasized and illuminated from above the display object. The complicated wavelength control of the illumination light is not required, and the target color is accurately emphasized only by controlling the color of the illumination light, so that the color of the display object can be displayed vividly.

請求項２の発明によれば、陳列物周辺の環境光の影響を織り込んで面発光部が発光するので、視覚的効果がより大きな演出照明が可能となる。   According to the invention of claim 2, since the surface light-emitting portion emits light by taking into account the influence of the ambient light around the display object, it is possible to provide effect lighting with a greater visual effect.

請求項３の発明によれば、面発光部による照明光を載置面が光っていると感じさせない程度の輝度とすることで、グレアを防止して陳列物を見易くすることができる。   According to the third aspect of the present invention, it is possible to prevent glare and make it easy to see the display by setting the illumination light from the surface light emitting unit to a luminance that does not cause the mounting surface to feel shining.

（第１の実施形態）
本発明の第１の実施形態に係る対象色強調システムについて図１乃至図８を参照して説明する。図１は、本実施形態に係る対象色強調システムの概略構成を示す。対象色強調システム１は、陳列物が載置面１０上に載置され、この陳列物を対象として、その色を強調して照明するものであって、載置面１０上に載置されて照明対象とされた陳列物（以下、対象物とする）１１の色を対象色として検出する対象色検出部２と、対象色検出部２によって得られる対象色の補色を求める演算部３と、演算部３で得られる対象色の補色に基づいた制御信号を作り出す制御部４と、制御部４で作り出された制御信号に応じて、後述の面発光部７に電流を送り込む点灯回路部５と、点灯回路部５と接続された電源部６と、演算部３によって求められる補色光によって載置面１０を発光させて対象物を照明する面発光部７とを備える。ここで、面発光部７は、載置面１０を有した載置台７１と、ＲＧＢ光源７２とを備える。 (First embodiment)
A target color enhancement system according to a first embodiment of the present invention will be described with reference to FIGS. FIG. 1 shows a schematic configuration of a target color enhancement system according to this embodiment. The target color emphasis system 1 is a display object that is placed on the placement surface 10 and illuminates the display object with its color emphasized, and is placed on the placement surface 10. A target color detection unit 2 that detects a color of a display object 11 (hereinafter referred to as a target) that is an illumination target, a calculation unit 3 that calculates a complementary color of the target color obtained by the target color detection unit 2, and A control unit 4 for generating a control signal based on a complementary color of the target color obtained by the calculation unit 3, and a lighting circuit unit 5 for sending a current to a surface light emitting unit 7 to be described later according to the control signal generated by the control unit 4; The power supply unit 6 connected to the lighting circuit unit 5 and the surface light emitting unit 7 that illuminates the object by causing the mounting surface 10 to emit light with the complementary color light calculated by the arithmetic unit 3. Here, the surface light emitting unit 7 includes a mounting table 71 having the mounting surface 10 and an RGB light source 72.

対象物１１としては、衣服や食器、植物等、様々なものが挙げられ、その大きさや形状、色様々である。例えば洋服の場合、大きさは、Ｓ・Ｌ・Ｍ等のサイズがあり、形状は、ズボン、コート、シャツ等があり、色に関しては、洋服全体が茶色であったり、紺色地に白色のチェック柄が施されていたり、白色地に金色の刺繍が施されていたりする。   Examples of the object 11 include various items such as clothes, tableware, and plants, and the sizes, shapes, and colors thereof are various. For example, in the case of clothes, there are sizes such as S, L, and M. Shapes include trousers, coats, shirts, etc. Regarding the color, the entire clothes are brown or the amber background is white Patterns are given, or golden embroidery is given on a white background.

図２は、本実施形態に係る対象色強調システムの対象色検出部２の構成例を示す。対象色検出部２は、載置台７１の上方に設けられたＲＧＢセンサ２１を有している。ＲＧＢセンサ２１は、載置面１０上において対象物１１を載置しようとする範囲や、その個数に応じて１つ又は複数、配置される。本構成によれば、対象物１１の上面の反射光がＲＧＢセンサ２１に受光されることで、対象色の赤、緑、青の強度が検出され、ＲＧＢ値が演算部３に出力される。なお、載置された対象物１１の位置に合わせてＲＧＢセンサ２１を移動自在に設けると、ＲＧＢセンサ２１を設置する個数が削減できる。   FIG. 2 shows a configuration example of the target color detection unit 2 of the target color enhancement system according to this embodiment. The target color detection unit 2 has an RGB sensor 21 provided above the mounting table 71. One or a plurality of RGB sensors 21 are arranged on the placement surface 10 according to the range in which the object 11 is to be placed and the number thereof. According to this configuration, the reflected light from the upper surface of the object 11 is received by the RGB sensor 21, whereby the intensities of the target colors red, green, and blue are detected, and the RGB values are output to the calculation unit 3. In addition, if the RGB sensor 21 is movably provided in accordance with the position of the mounted object 11, the number of RGB sensors 21 to be installed can be reduced.

図３は、対象色検出部２の他の構成例を示す。対象色検出部２は、面発光部７の載置台７１に埋設されたＲＧＢセンサ２１と、ＲＧＢセンサ２１の近傍であって、載置台７１に埋設された対象色検出用光源２２を有している。ＲＧＢセンサ２１及び対象色検出用光源２２は、上述したように、１つ又は複数、配置される。本構成によれば、対象色検出用光源２２を発光させると、対象物１１の下面の反射光がＲＧＢセンサ２１に受光され、ＲＧＢ値が演算部３に出力される。なお、本構成例が適用される状況としては、対象物１１の上面（実際に観察する面）と下面（対象色を検出する面）が同じ色であって、その対象物１１の上面には、載置されているものがない場合、あるいは同じ対象物１１が載置されている場合が挙げられる。   FIG. 3 shows another configuration example of the target color detection unit 2. The target color detection unit 2 includes an RGB sensor 21 embedded in the mounting table 71 of the surface light emitting unit 7, and a target color detection light source 22 embedded in the mounting table 71 in the vicinity of the RGB sensor 21. Yes. As described above, one or a plurality of the RGB sensors 21 and the target color detection light source 22 are arranged. According to this configuration, when the target color detection light source 22 emits light, the reflected light from the lower surface of the target 11 is received by the RGB sensor 21 and the RGB value is output to the calculation unit 3. In addition, as a situation where this configuration example is applied, the upper surface (surface that is actually observed) and the lower surface (surface that detects the target color) of the object 11 are the same color, There is a case where there is no mounted object or a case where the same object 11 is mounted.

図４は、対象色検出部２のさらに他の構成例を示す。対象色検出部２は、載置台７１の上方に設けられ、複数のＲＧＢセンサ２１で構成されるＣＣＤやＣＭＯＳ等のイメージセンサ２３を有している。イメージセンサ２３は、上述したように、１つ又は複数、配置される。本構成によれば、対象物１１の上面の反射光がイメージセンサ２３に受光され、ＲＧＢ値が各画素（ＲＧＢセンサ２１）毎に演算部３に出力される。そのため、対象物１１全体が複数色で構成された場合においても、各画素毎に対象色として検出可能である。従って、本構成によれば、主要な色（全体に占める面積が大きい色や鮮やかな色）を強調することができる。対象物１１のテーマカラー等を基に強調する色の優先順位を決定し、この優先順位を演算部３に内蔵されるメモリ等に予め記憶しておき、この優先順位を基に対象色から強調する色を選択して強調することもできる。   FIG. 4 shows still another configuration example of the target color detection unit 2. The target color detection unit 2 includes an image sensor 23 such as a CCD or a CMOS that is provided above the mounting table 71 and includes a plurality of RGB sensors 21. As described above, one or a plurality of image sensors 23 are arranged. According to this configuration, the reflected light from the upper surface of the object 11 is received by the image sensor 23, and the RGB value is output to the calculation unit 3 for each pixel (RGB sensor 21). Therefore, even when the entire object 11 is composed of a plurality of colors, each pixel can be detected as a target color. Therefore, according to this configuration, it is possible to emphasize main colors (colors having a large area or vivid colors in the entire area). The priority order of colors to be emphasized is determined based on the theme color and the like of the object 11, and this priority order is stored in advance in a memory or the like built in the arithmetic unit 3, and the priority is emphasized from the target color based on this priority order. You can also highlight the color you want.

図５は、対象色検出部２のさらに他の構成例を示す。対象色検出部２は、載置台７１に埋設されたイメージセンサ２３と、イメージセンサ２３の近傍であって、載置台７１に埋設された対象色検出用光源２２を有している。イメージセンサ２３及び対象色検出用光源２２は、上述したように、１つ又は複数、配置される。本構成によれば、対象色検出用光源２２を発光させると、対象物１１の下面の反射光がイメージセンサ２３に受光され、ＲＧＢ値が各画素毎に演算部３に出力される。なお、本構成例が適用される状況としては、図３に示す対象色検出部の同様の場合が挙げられる。   FIG. 5 shows still another configuration example of the target color detection unit 2. The target color detection unit 2 includes an image sensor 23 embedded in the mounting table 71 and a target color detection light source 22 embedded in the mounting table 71 in the vicinity of the image sensor 23. As described above, one or a plurality of the image sensor 23 and the target color detection light source 22 are arranged. According to this configuration, when the target color detection light source 22 emits light, reflected light from the lower surface of the target 11 is received by the image sensor 23, and RGB values are output to the calculation unit 3 for each pixel. A situation where the present configuration example is applied includes a similar case of the target color detection unit shown in FIG.

図６は、対象色検出部２のさらに他の構成例を示す。対象色検出部２は、対象物１１の色構成の情報が記録されたＩＣタグ２４を読み取るためのＩＣタグリーダー２５を有している。ＩＣタグ２４は、ＩＣタグリーダー２５が読み取り可能なように、対象物１１の所定の箇所に取り付けられている。ＩＣタグリーダー２５は、載置台７１に埋設され、上述したように、１つ又は複数、配置される。本構成によれば、上記情報がＩＣタグリーダー２５に読み取られ、その情報がＲＧＢ値に変換され、ＲＧＢ値が演算部３に出力される。   FIG. 6 shows still another configuration example of the target color detection unit 2. The target color detection unit 2 has an IC tag reader 25 for reading an IC tag 24 in which information on the color configuration of the target object 11 is recorded. The IC tag 24 is attached to a predetermined portion of the object 11 so that the IC tag reader 25 can read the IC tag 24. The IC tag reader 25 is embedded in the mounting table 71, and one or more IC tag readers 25 are arranged as described above. According to this configuration, the information is read by the IC tag reader 25, the information is converted into RGB values, and the RGB values are output to the calculation unit 3.

演算部３には、対象色の補色を求める際に使用される各種情報を記憶するメモリが内蔵され、このメモリには、例えば、ＲＧＢ値をＸＹＺ表色系に変換する変換テーブルや、基準光（Ｃ光源、Ｄ６５光源等）を照明光としたときのＲＧＢ値等が記憶される。   The calculation unit 3 has a built-in memory for storing various information used when obtaining a complementary color of the target color. For example, the memory 3 includes a conversion table for converting RGB values into an XYZ color system, a reference light, and the like. The RGB values and the like when the illumination light is (C light source, D65 light source, etc.) are stored.

図７は、本実施形態に係る対象色強調システムの面発光部７の構成例を示す。面発光部７は、上述の載置台７１と、ＲＧＢ光源７２と、ＲＧＢ光源７２を収納するケース部材７３とを有する。載置台７１には、ＲＧＢ光源から照射される赤、緑、青の光を拡散できる拡散板が用いられる。ＲＧＢ光源７２は、載置台７１の下方であって載置面１０に平行に配設される。また、ＲＧＢ光源７２には、蛍光灯や冷陰極ランプ、ＬＥＤ、有機ＥＬ等が用いられる。ＲＧＢ光源７２は、載置台７１の大きさに応じて所定の個数、配置される。本構成によれば、点灯回路部５からの電流によってＲＧＢ光源７２が発光すると、赤、緑、青の光（照明光）が載置台７１の下面から入射され、載置台７１内部で拡散された後、載置面１０から補色光が出射される。   FIG. 7 shows a configuration example of the surface light emitting unit 7 of the target color enhancement system according to the present embodiment. The surface light emitting unit 7 includes the mounting table 71 described above, an RGB light source 72, and a case member 73 that houses the RGB light source 72. The mounting table 71 is a diffusion plate that can diffuse red, green, and blue light emitted from an RGB light source. The RGB light source 72 is disposed below the mounting table 71 and parallel to the mounting surface 10. For the RGB light source 72, a fluorescent lamp, a cold cathode lamp, an LED, an organic EL, or the like is used. A predetermined number of RGB light sources 72 are arranged according to the size of the mounting table 71. According to this configuration, when the RGB light source 72 emits light by the current from the lighting circuit unit 5, red, green, and blue light (illumination light) is incident from the lower surface of the mounting table 71 and diffused inside the mounting table 71. Thereafter, complementary color light is emitted from the mounting surface 10.

図８は、面発光部７の他の構成例を示す。面発光部７は、上述の載置台７１と、載置台７１の下方に設けられた導光部材７４と、導光部材７４の導光方向の一側面に設けられたＲＧＢ光源７２と、ＲＧＢ光源７２を収納するケース部材７３とを有する。本構成によれば、点灯回路部５からの電流によってＲＧＢ光源７２が発光すると、赤、緑、青の光が導光部材７４の一側面から入射され、導光部材７４表面から均一の光が出射される。この光が載置台７１の下面から入射され、載置面１０から補色光が出射される。   FIG. 8 shows another configuration example of the surface light emitting unit 7. The surface light emitting unit 7 includes the mounting table 71 described above, a light guide member 74 provided below the mounting table 71, an RGB light source 72 provided on one side of the light guide direction of the light guide member 74, and an RGB light source. And a case member 73 for storing 72. According to this configuration, when the RGB light source 72 emits light due to the current from the lighting circuit unit 5, red, green, and blue light are incident from one side of the light guide member 74, and uniform light is emitted from the surface of the light guide member 74. Emitted. This light is incident from the lower surface of the mounting table 71, and complementary color light is emitted from the mounting surface 10.

上記のように構成された本実施形態の対象色強調システム１の作用について説明する。ここで、対象物１１は、対象色検出部２が対象色を検出できる位置に載置されているものとする。まず、本システムに電源が投入されると、対象色検出部２は対象色(色度)を検出する。次に、演算部３は、対象色の補色を計算する。次に、制御部４は、演算部３にて計算された補色に基づいて、面発光部７にて発光させるための制御信号を作り出す。次に、点灯回路部５は、この制御信号に基づき電源部６より電源の供給を受け、面発光部７に電流を送り込む。面発光部７は、ＲＧＢ光源７２から照明光を照射して載置面１０を補色光によって発光させる。   The operation of the target color enhancement system 1 of the present embodiment configured as described above will be described. Here, it is assumed that the target object 11 is placed at a position where the target color detection unit 2 can detect the target color. First, when the system is turned on, the target color detection unit 2 detects the target color (chromaticity). Next, the calculation unit 3 calculates a complementary color of the target color. Next, the control unit 4 generates a control signal for causing the surface light emitting unit 7 to emit light based on the complementary color calculated by the calculation unit 3. Next, the lighting circuit unit 5 is supplied with power from the power source unit 6 based on the control signal, and sends current to the surface light emitting unit 7. The surface light emitting unit 7 emits illumination light from the RGB light source 72 and causes the mounting surface 10 to emit light with complementary color light.

この対象色強調システム１によれば、陳列物にとっての背景である載置面が対象色の補色となるように発光するので、面発光部による照明光を複雑な波長制御を行うことが不要となり、色を制御するのみで対象色が的確に強調されて、陳列物の色を鮮やかに見せることができる。   According to this target color enhancement system 1, light is emitted so that the placement surface, which is the background for the display object, is a complementary color of the target color, so that it is not necessary to perform complex wavelength control of illumination light from the surface light emitting unit. By simply controlling the color, the target color is accurately emphasized, and the color of the display object can be shown vividly.

（第２の実施形態）
本発明の第２の実施形態に係る対象色強調システムについて図９乃至図１３を参照して説明する。図９は、本実施形態に係る対象色強調システムの概略構成を示す。対象色強調システム１は、対象物１１を照射する環境光の色を検出する環境光検出部８を備え、環境光検出部８の検出結果に応じて、面発光部７による照明光の色が補正される点で第１の実施形態と相違する。 (Second Embodiment)
A target color enhancement system according to a second embodiment of the present invention will be described with reference to FIGS. 9 to 13. FIG. 9 shows a schematic configuration of the target color enhancement system according to the present embodiment. The target color enhancement system 1 includes an ambient light detection unit 8 that detects the color of ambient light that irradiates the target object 11, and the color of illumination light from the surface light emitting unit 7 depends on the detection result of the ambient light detection unit 8. It is different from the first embodiment in that it is corrected.

図１０は、本実施形態に係る対象色強調システムの環境色検出部８の構成例を示す。載置面１０上には、色が既知である参照物１２が予め設置されており、環境光検出部８は、この参照物１２上方に設けられたＲＧＢセンサ８１を有している。本構成では、ＲＧＢセンサ８１が参照物１２の上面の反射光を受光して対象色の赤、緑、青の強度を検出し、演算部３がＲＧＢ値に基づいて対象物１１周囲の環境光の色を決定するようにしている。   FIG. 10 shows a configuration example of the environmental color detection unit 8 of the target color enhancement system according to the present embodiment. A reference object 12 having a known color is installed in advance on the mounting surface 10, and the ambient light detection unit 8 has an RGB sensor 81 provided above the reference object 12. In this configuration, the RGB sensor 81 receives the reflected light from the upper surface of the reference object 12 to detect the intensities of the target colors red, green, and blue, and the arithmetic unit 3 ambient light around the object 11 based on the RGB values. To determine the color.

図１１は、環境光検出部８の他の構成例を示す。環境光検出部８は、載置台７１の上方に設けられたＲＧＢセンサ８１を有している。本構成では、ＲＧＢセンサ８１が、対象物１１周囲の環境光を直接受光してその赤、緑、青の強度を検出するようにしている。   FIG. 11 shows another configuration example of the ambient light detection unit 8. The ambient light detection unit 8 includes an RGB sensor 81 provided above the mounting table 71. In this configuration, the RGB sensor 81 directly receives ambient light around the object 11 and detects the intensities of red, green, and blue.

図１２は、環境光検出部８のさらに他の構成例を示す。環境光検出部８は、対象物１１周囲の環境光の色を入力するための入力部８２を有している。本構成では、例えば、対象物１１周囲の光源や照明器具の種類を入力部８２に入力することで、対象物１１周囲の環境光のＲＧＢ強度を検出するようにしている。   FIG. 12 shows still another configuration example of the ambient light detection unit 8. The ambient light detection unit 8 has an input unit 82 for inputting the color of ambient light around the object 11. In this configuration, for example, the RGB light intensity of the ambient light around the object 11 is detected by inputting the light source and the type of lighting equipment around the object 11 to the input unit 82.

演算部３は、環境光検出部の検出結果に応じた対象色の補色を求める演算フローを有している。ここで、この演算フローについて図１３を参照して説明する。まず、環境光検出部８で検出されたＲＧＢ値を取得してＸＹＺ表色系に変換し、得られる値をＸｎＹｎＺｎとする。ここで、ＸｎＹｎＺｎの値が、予め設定しておいた想定範囲から外れている場合には、エラーを返し、再度、ＲＧＢ値を取得する。次に、対象色検出部２で検出されたＲＧＢ値をＸＹＺ表色系に変換し、得られる値をＸＹＺとする。 The calculation unit 3 has a calculation flow for obtaining a complementary color of the target color according to the detection result of the ambient light detection unit. Here, this calculation flow will be described with reference to FIG. First, the RGB value detected by the ambient light detection unit 8 is acquired and converted into the XYZ color system, and the obtained value is defined as X n Y n Z n . Here, the value of X n Y n Z n is, when deviates from expected range that is set in advance, it returns an error, again acquires the RGB values. Next, the RGB value detected by the target color detection unit 2 is converted into the XYZ color system, and the obtained value is defined as XYZ.

次に、ＸｎＹｎＺｎとＸＹＺを用い、ＸｎＹｎＺｎを白色点としたときの対象色をＬ＊ａ＊ｂ＊表色系に変換したＬ＊ａ＊ｂ＊を計算する。このＬ＊ａ＊ｂ＊が、図に示すＬ＊ａ＊ｂ＊表色系での座標値３１に相当する。次に、Ｌ＊ａ＊ｂ＊を用い、その色相角を計算し、無彩色からの距離ΔＣ＊ａｂ（色差）が３以内のａ＊ｂ＊を算出する。このａ＊ｂ＊が座標値３２に相当し、言い換えると、対象色の色相を示す座標値３３から原点３４をはさんで対称の位置にあり、色差３５が３以内にある点に相当する。 Next, X n Y n with Z n and XYZ, calculates the X n Y n Z the target color when a white point n L * a * b * was converted into colorimetric system L * a * b * To do. This L * a * b * corresponds to the coordinate value 31 in the L * a * b * color system shown in the figure. Next, using L * a * b *, the hue angle is calculated, and a * b * whose distance ΔC * ab (color difference) from the achromatic color is 3 or less is calculated. This a * b * corresponds to the coordinate value 32. In other words, the a * b * corresponds to the point where the coordinate value 33 indicating the hue of the target color is located symmetrically across the origin 34 and the color difference 35 is within 3.

算出したａ＊ｂ＊においてＬ＊＝１００となる色が、演算部３が求める対象色の補色である。この対象色の補色が座標値３６に相当する。ここで、ＸｎＹｎＺｎが変化せず、ＸＹＺのみが変化した場合は、対象物１１が変わったと判断して、Ｌ＊ａ＊ｂ＊を再計算する。また、ＸｎＹｎＺｎが変化した場合は、照明光が変わったと判断し、同じくＬ＊ａ＊ｂ＊を再計算する。なお、ＸｎＹｎＺｎを白色点としたときの対象色を、Ｌ＊ｕ＊ｖ＊表色系に変換してもよい。 The color that satisfies L * = 100 in the calculated a * b * is a complementary color of the target color that the calculation unit 3 calculates. The complementary color of the target color corresponds to the coordinate value 36. Here, X n Y n Z n is not changed, when only XYZ is changed, it is determined that the object 11 is changed, to recalculate the L * a * b *. Also, if a X n Y n Z n has changed, it is determined that the illumination light is changed, also recalculates the L * a * b *. Note that the target color when X n Y n Z n is a white point may be converted into the L * u * v * color system.

上記のように構成された本実施形態の対象色強調システム１の動作について説明する。まず、本システムに電源が投入されると、環境光検出部８は、対象物１１を照射する環境光の色(色度)を検出する。対象色検出部２は、対象色(色度)を検出する。次に、演算部３は、上述の演算フローに基づいて対象色の反対色（補色）を計算する。次に、制御部４、点灯回路部５及び面発光部７は、上述した内容と同様の動作を行って、載置面１０を補色光によって発光させる。   The operation of the target color enhancement system 1 of the present embodiment configured as described above will be described. First, when the system is powered on, the ambient light detection unit 8 detects the color (chromaticity) of ambient light that irradiates the object 11. The target color detection unit 2 detects a target color (chromaticity). Next, the calculation unit 3 calculates the opposite color (complementary color) of the target color based on the above calculation flow. Next, the control unit 4, the lighting circuit unit 5, and the surface light emitting unit 7 perform the same operation as described above to cause the mounting surface 10 to emit light with complementary color light.

この対象色強調システム１によれば、陳列物周辺の環境光の影響を織り込んで面発光部が発光するので、一層効果的な演出照明が可能となる。   According to the target color enhancement system 1, the surface light emitting unit emits light by taking into account the influence of ambient light around the display object, so that more effective stage lighting can be achieved.

（第３の実施形態）
本発明の第３の実施形態に係る対象色強調システムについて図１４を参照して説明する。対象色強調システム１は、対象物１１の照度を検出する照度検出部９を備え、照度検出部９の検出結果に応じて、面発光部７による照明光の輝度が調整される点で他の実施形態と相違する。照度検出部９は、照度センサ等からなる。なお、照度検出部９は、演算部３の上述の演算フローには、Ｌ＊＝１００とした対象色の補色の明度Ｌ＊を照度検出値に基づいて調整するルーチンを付け加えられる。このように構成することで、演算部が環境光の強さに応じて面発光部７の発光強度を決定し、面発光部７の照明光を、光っていると感じさせない程度の輝度とすることができるので、グレアを防止して陳列物を見やすくすることができる。 (Third embodiment)
A target color enhancement system according to a third embodiment of the present invention will be described with reference to FIG. The target color enhancement system 1 includes an illuminance detection unit 9 that detects the illuminance of the target object 11, and is different in that the luminance of illumination light by the surface light emitting unit 7 is adjusted according to the detection result of the illuminance detection unit 9. It is different from the embodiment. The illuminance detection unit 9 includes an illuminance sensor or the like. The illuminance detection unit 9 is added with a routine for adjusting the lightness L * of the complementary color of the target color based on the detected illuminance value in the above calculation flow of the calculation unit 3. With this configuration, the calculation unit determines the light emission intensity of the surface light emitting unit 7 according to the intensity of the ambient light, and the luminance of the illumination light of the surface light emitting unit 7 is set so as not to feel that it is shining. Therefore, it is possible to prevent glare and make the display easier to see.

なお、本発明は、上記各種実施形態の構成に限られず、発明の趣旨を変更しない範囲で種々の変形が可能である。載置面を所定の角度に傾けた状態でも本システムを使用できるように、陳列物を固定するためのフックやストッパ等を設けてもよい。   In addition, this invention is not restricted to the structure of the said various embodiment, A various deformation | transformation is possible in the range which does not change the meaning of invention. A hook, a stopper or the like for fixing the display object may be provided so that the present system can be used even when the mounting surface is inclined at a predetermined angle.

本発明の第１の実施形態に係る対象色強調システムを示すブロック図。1 is a block diagram showing a target color enhancement system according to a first embodiment of the present invention. 同システムの対象色検出部の一例を示すブロック図。The block diagram which shows an example of the object color detection part of the system. 同対象色検出部の他の一例を示すブロック図。The block diagram which shows another example of the same object color detection part. 同対象色検出部のさらに他の一例を示すブロック図。The block diagram which shows another example of the same object color detection part. 同対象色検出部のさらに他の一例を示すブロック図。The block diagram which shows another example of the same object color detection part. 同対象色検出部のさらに他の一例を示すブロック図。The block diagram which shows another example of the same object color detection part. 同システムの面発光部の一例を示すブロック図。The block diagram which shows an example of the surface light emission part of the system. 同面発光部の他の一例を示すブロック図。The block diagram which shows another example of the same surface light emission part. 本発明の第２の実施形態に係る対象色強調システムを示すブロック図。The block diagram which shows the object color emphasis system which concerns on the 2nd Embodiment of this invention. 同システムの環境光検出部の一例を示すブロック図。The block diagram which shows an example of the environmental light detection part of the system. 同環境光検出部の他の一例を示すブロック図。The block diagram which shows another example of the same environment light detection part. 同環境光検出部のさらに他の一例を示すブロック図。The block diagram which shows another example of the same environment light detection part. 同システムの演算部における演算フローの説明図。Explanatory drawing of the calculation flow in the calculating part of the system. 本発明の第３の実施形態に係る対象色強調システムを示すブロック図。The block diagram which shows the object color emphasis system which concerns on the 3rd Embodiment of this invention. 従来の照明システムの照射状態を示す図。The figure which shows the irradiation state of the conventional illumination system.

符号の説明Explanation of symbols

１ 対象色強調システム
２ 対象色検出部
３ 演算部
４ 制御部
５ 点灯回路部
６ 電源部
７ 面発光部
７１ 載置台
８ 環境光検出部
９ 照度検出部
１０ 載置面
１１ 対象物 DESCRIPTION OF SYMBOLS 1 Target color enhancement system 2 Target color detection part 3 Calculation part 4 Control part 5 Lighting circuit part 6 Power supply part 7 Surface light emission part 71 Mounting stand 8 Environmental light detection part 9 Illuminance detection part 10 Mounting surface 11 Target object

Claims (3)

陳列物が載置面上に載置され、この陳列物を対象として、その色を強調して照明する対象色強調システムであって、
陳列物を載置する載置面と、
前記陳列物の色を対象色として検出する対象色検出部と、
前記対象色検出部によって得られる前記対象色の補色を求める演算部と、
前記演算部によって求められる前記補色光によって前記載置面を発光させ前記陳列物を照明する面発光部と、を備えることを特徴とする対象色強調システム。 An object color emphasizing system in which a display object is placed on a placement surface, and the display object is an object to emphasize and illuminate the color.
A mounting surface on which the display object is mounted;
A target color detection unit that detects a color of the display object as a target color;
A calculation unit for obtaining a complementary color of the target color obtained by the target color detection unit;
And a surface light emitting unit that illuminates the display by causing the placement surface to emit light by the complementary color light calculated by the arithmetic unit. 前記陳列物を照射する環境光の色を検出する環境光検出部をさらに備え、
前記環境光検出部の検出結果に応じて、前記面発光部による照明光の色が補正されることを特徴とする請求項１に記載の対象色強調システム。 An ambient light detector that detects the color of ambient light that illuminates the display;
The target color enhancement system according to claim 1, wherein the color of illumination light from the surface light emitting unit is corrected according to a detection result of the ambient light detection unit. 前記陳列物の照度を検出する照度検出部をさらに備え、
前記照度検出部の検出結果に応じて、前記面発光部による照明光の輝度が調整されることを特徴とする請求項１又は請求項２に記載の対象色強調システム。 An illuminance detection unit for detecting the illuminance of the display object;
3. The target color enhancement system according to claim 1, wherein brightness of illumination light by the surface light emitting unit is adjusted according to a detection result of the illuminance detection unit.
JP2007115279A 2007-04-25 2007-04-25 Target color emphasizing system Withdrawn JP2008264430A (en)

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