JP2010229693A - Wall panel for building with surface luminescence function - Google Patents

Wall panel for building with surface luminescence function Download PDF

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JP2010229693A
JP2010229693A JP2009077775A JP2009077775A JP2010229693A JP 2010229693 A JP2010229693 A JP 2010229693A JP 2009077775 A JP2009077775 A JP 2009077775A JP 2009077775 A JP2009077775 A JP 2009077775A JP 2010229693 A JP2010229693 A JP 2010229693A
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light
guide plate
light guide
wall panel
light source
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JP5276496B2 (en
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Tatsuji Ono
達司 大野
Hideki Koizumi
秀樹 小泉
Toshihiro Tanaka
敏裕 田中
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Panasonic Electric Works Co Ltd
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Panasonic Electric Works Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a wall panel itself with a surface luminescence function producing satisfactory stage effects as light and having large area. <P>SOLUTION: This wall panel 3 for building with the surface luminescence function is constituted in such a way that a surface layer 4 of the wall panel 3 is formed by a light transmissive surface material 4a having light transmission performance, a transparent light guide plate 5 is arranged on a rear surface side of the light transmissive surface material 4a, light sources 1, 2 are arranged on both end face 5a, 5b sides in the vertical direction D of the light guide plate 5, respectively, a surface 6 of the light guide plate 5 is used as a light outgoing face 6a, and a light guide pattern 9 for diffusing the light entering the inside of the light guide plate 5 from the light sources 1, 2 toward the light outgoing face 6a is formed over the vertical direction D on a rear surface 7 side of the light guide plate 5. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、面発光機能を備えた建築用壁パネルに関するものである。   The present invention relates to a building wall panel having a surface light emitting function.

従来より、光源からの光を導光体の端面から入射するように配置し、導光体の光出射面から面発光させる照明装置が知られている（例えば、特許文献１参照）。   2. Description of the Related Art Conventionally, there has been known an illuminating device in which light from a light source is disposed so as to be incident from an end face of a light guide, and surface light is emitted from a light exit surface of the light guide (see, for example, Patent Document 1).

ところが、前記特許文献１に見られる照明装置５０を、例えば図６に示すように、天井２１と床２０との間の壁面５１に人５２の目線の高さ位置に合わせて設置した場合において、演出、明かり用としての効果を得るためには発光面積が小さく、眩しさを感じるなど、演出、明かり用としての効果が充分に期待できない。   However, in the case where the lighting device 50 found in Patent Document 1 is installed on the wall surface 51 between the ceiling 21 and the floor 20 in accordance with the height position of the line of sight of the person 52, for example, as shown in FIG. In order to obtain the effects for production and lighting, the light emitting area is small and the effect for production and lighting cannot be expected sufficiently, such as feeling dazzling.

特開２００２−２０８３０７号公報JP 2002-208307 A

本発明は上記の従来の問題点に鑑みて発明したものであって、その目的とするところは、壁パネル自体に演出、明かり用としての大面積の面発光機能を付加した面発光機能付き建築用壁パネルを提供することにある。   The present invention has been invented in view of the above-described conventional problems, and the object of the present invention is to provide an architecture with a surface light emitting function in which a large area surface light emitting function is added to the wall panel itself for production and lighting. It is to provide a wall panel.

前記の課題を解決するために、本発明は、屋内空間の壁面の少なくとも上下方向Ｄの中央領域を含んで、壁面の下部領域から上部領域に跨って配置される面発光機能付き建築用壁パネルである。壁パネル３の表面層４が、光透過性を有する光透過性表面材４ａからなる。該光透過性表面材３ａの裏面側に透明な導光板５が配置されている。該導光板５の上下方向Ｄの両端面５ａ,５ｂ側にそれぞれ光源１,２が配置されて各光源１,２からの光が該両端面５ａ,５ｂから入光するように構成されており、該導光板５の表面６が光出射面６ａとされ、該導光板５の裏面７側に、上記光源１,２から導光板５内部に入射した光を光出射面６ａに向かって拡散させる導光パターン９が上下方向Ｄに亘るように設けられている壁パネル３の表面層４が、光透過性を有する光透過性表面材４ａからなる。該光透過性表面材３ａの裏面側に透明な導光板５が配置されている。該導光板５の上下方向Ｄの両端面５ａ,５ｂ側にそれぞれ光源１,２が配置されて各光源１,２からの光が該両端面５ａ,５ｂから入光するように構成されており、該導光板５の表面６が光出射面６ａとされ、該導光板５の裏面７側に、上記光源１,２から導光板５内部に入射した光を光出射面６ａに向かって拡散させる導光パターン９が上下方向Ｄに亘るように設けられていることを特徴としている。   In order to solve the above-described problems, the present invention provides a wall panel for building with a surface light emitting function, which includes at least a central region in a vertical direction D of a wall surface of an indoor space, and is arranged from a lower region to an upper region of the wall surface. It is. The surface layer 4 of the wall panel 3 is made of a light transmissive surface material 4a having light transmissive properties. A transparent light guide plate 5 is disposed on the back side of the light transmissive surface material 3a. The light sources 1 and 2 are respectively arranged on both end surfaces 5a and 5b in the vertical direction D of the light guide plate 5 so that light from each light source 1 and 2 enters from both end surfaces 5a and 5b. The front surface 6 of the light guide plate 5 serves as a light exit surface 6a, and the light incident on the light guide plate 5 from the light sources 1 and 2 is diffused toward the light exit surface 6a on the back surface 7 side of the light guide plate 5. The surface layer 4 of the wall panel 3 provided so that the light guide pattern 9 extends in the up-down direction D is made of a light-transmitting surface material 4a having light transmittance. A transparent light guide plate 5 is disposed on the back side of the light transmissive surface material 3a. The light sources 1 and 2 are respectively arranged on both end surfaces 5a and 5b in the vertical direction D of the light guide plate 5 so that light from each light source 1 and 2 enters from both end surfaces 5a and 5b. The front surface 6 of the light guide plate 5 serves as a light exit surface 6a, and the light incident on the light guide plate 5 from the light sources 1 and 2 is diffused toward the light exit surface 6a on the back surface 7 side of the light guide plate 5. The light guide pattern 9 is provided so as to extend in the vertical direction D.

このような構成とすることで、壁パネル３の本来の機能に加えて、壁パネル３自体が床２０に近い位置から成人の平均的な目線よりも高い天井２１に近い位置に至る広範囲の大面積で発光する面発光機能が得られるようになる。しかも光透過性表面材４ａの裏面側から大面積の導光板５が発光することで、光透過性表面材４ａによる光の演出効果を高めることができる。   By adopting such a configuration, in addition to the original function of the wall panel 3, the wall panel 3 itself has a wide range from a position close to the floor 20 to a position close to the ceiling 21 higher than the average line of sight of adults. A surface light emitting function for emitting light in an area can be obtained. In addition, since the light guide plate 5 having a large area emits light from the back surface side of the light transmissive surface material 4a, it is possible to enhance the light effect of the light transmissive surface material 4a.

また、上記導光板５の上下方向の両端面側にそれぞれ配置される各光源１,２の明るさを可変にする手段を設けるのが好ましく、この場合、各光源１,２の明るさを可変にすることで、１枚の導光板５の光出射面６ａを上下２つの発光領域１０Ａ,１０Ｂに分離して、各発光領域１０Ａ,１０Ｂのいずれかを選択的に発光させることができ、例えば人が近づいたときに上側の発光領域１０Ａを暗くすることで眩しさを感じることがないようにできる。   Further, it is preferable to provide means for varying the brightness of the light sources 1 and 2 respectively disposed on both end surfaces of the light guide plate 5 in the vertical direction. In this case, the brightness of the light sources 1 and 2 is variable. By separating the light emitting surface 6a of one light guide plate 5 into two upper and lower light emitting areas 10A and 10B, one of the light emitting areas 10A and 10B can be selectively made to emit light. When a person approaches, the upper light emitting area 10A can be darkened so as not to feel dazzling.

また、上記導光板５の上下方向の両端面側にそれぞれ配置される各光源１,２が左右方向に配列される複数のＬＥＤからなり、各ＬＥＤの明るさを可変にする手段を設けるのが好ましく、この場合、各ＬＥＤへの電流制御のみで、光を横方向に擬似的に動かすことができるため、演出効果を高めることができる。   The light sources 1 and 2 respectively disposed on both end surfaces in the vertical direction of the light guide plate 5 are composed of a plurality of LEDs arranged in the horizontal direction, and a means for changing the brightness of each LED is provided. Preferably, in this case, the light can be artificially moved in the lateral direction only by controlling the current to each LED, so that the effect can be enhanced.

また、上記導光板５近辺の人体を検知する人感センサ４６を設け、人感センサ４６による人体の検知に応じて光源１（２）の明るさを変化させるようにするのが好ましく、この場合、壁パネル３に人が近づいたときに自動的に上側の光源１の明るさを弱めて眩しさを感じることがないようにできる一方で、人を検知しないときは光源１の明るさを強めることにより、演出・明かり効果を高めることができる。   Further, it is preferable to provide a human sensor 46 for detecting a human body in the vicinity of the light guide plate 5 and to change the brightness of the light source 1 (2) in accordance with the human sensor detected by the human sensor 46. When the person approaches the wall panel 3, the brightness of the upper light source 1 can be automatically reduced so as not to feel dazzling, while the brightness of the light source 1 is increased when no person is detected. As a result, it is possible to enhance the production / lighting effect.

本発明は、壁パネルの光透過性表面材がその裏面側に配置した大面積の導光板から発する光によって大面積で発光することにより、壁パネル自体に演出、明かり用としての面発光機能を付加できるものである。   In the present invention, the light-transmitting surface material of the wall panel emits light in a large area by light emitted from a large-area light guide plate disposed on the back side thereof, thereby providing a surface light emitting function for production and lighting on the wall panel itself. It can be added.

（ａ）は、本発明の一実施形態の面発光機能付き建築用壁パネルの概略正面図であり、（ｂ）は（ａ）のＢ−Ｂ線断面図である。(A) is a schematic front view of the building wall panel with a surface emitting function of one Embodiment of this invention, (b) is the BB sectional drawing of (a). 図１（ａ）のＡ−Ａ線断面図である。It is the sectional view on the AA line of Fig.1 (a). 同上の壁パネルを天井と床との間に施工した状態の概略図である。It is the schematic of the state which constructed the wall panel same as the above between the ceiling and the floor. 同上の導光板の発光領域を４つに分離した状態の説明図である。It is explanatory drawing of the state which isolate | separated the light emission area | region of the light guide plate same as the above into four. 同上の導光板の発光領域を上下に分離し、上側に光源１、下側に光源２を配置した場合における各発光領域の発光状態を示すイメージ図であり、（ａ）は光源１の強さ：１、光源２の強さ：１の場合であり、（ｂ）は光源１の強さ：０．５、光源２の強さ：０．５の場合であり、（ｃ）は光源１の強さ：１、光源２の強さ：０の場合であり、（ｄ）は光源１の強さ：０、光源２の強さ：１の場合を示す図である。It is an image figure which shows the light emission state of each light emission area | region when the light emission area | region of a light guide plate same as the above is isolate | separated up and down, and the light source 1 is arrange | positioned at the upper side and the light source 2 below, (a) is the intensity | strength of the light source 1: 1, the intensity of the light source 2 is 1; (b) is the intensity of the light source 1: 0.5; the intensity of the light source 2 is 0.5; (c) is the intensity of the light source 1. FIG. 6 is a diagram showing a case where the intensity of the light source 2 is 0 and FIG. 9D is a case where the intensity of the light source 1 is 0 and the intensity of the light source 2 is 1. FIG. 従来の面発光する照明装置を壁面に設置した場合の説明図である。It is explanatory drawing at the time of installing the conventional illuminating device which performs surface light emission on a wall surface.

以下、本発明を添付図面に示す実施形態に基いて説明する。   Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings.

図１（ａ）（ｂ）は、本発明の一実施形態の面発光機能を備えた建築用壁パネル３の一例を示している。   Fig.1 (a) (b) has shown an example of the building wall panel 3 provided with the surface light emission function of one Embodiment of this invention.

この壁パネル３は、上下方向Ｄの寸法が１８０ｃｍ以上の長尺矩形状に形成されており、屋内空間の壁面の少なくとも上下方向Ｄの中央領域を含んで、壁面の下部領域から上部領域に跨って配置されるものである。   The wall panel 3 is formed in a long rectangular shape having a vertical dimension D of 180 cm or more, and includes at least a central region in the vertical direction D of the wall surface of the indoor space, and extends from the lower region to the upper region of the wall surface. Are arranged.

壁パネル３は、表面層４と中間層４Ａと裏面層４Ｂとの３層構造となっている。   The wall panel 3 has a three-layer structure including a front surface layer 4, an intermediate layer 4A, and a back surface layer 4B.

壁パネル３の表面層４は、光透過性を有する光透過性表面材４ａからなる。本例の光透過性表面材４ａは化粧目的のための矩形平板状の加飾材４ｂで構成されている。加飾材４ｂの形成方法として、例えば透明樹脂の表面に耐熱インキを用いたグラビア印刷にて木目模様とか石目模様（例えば御影石模様）を形成することも好ましい形態の一つである。   The surface layer 4 of the wall panel 3 is made of a light transmissive surface material 4a having light transmissive properties. The light-transmitting surface material 4a of this example is composed of a rectangular flat plate-shaped decorating material 4b for cosmetic purposes. As a method for forming the decorating material 4b, for example, it is also a preferable form to form a wood grain pattern or a stone pattern (for example, granite pattern) on the surface of the transparent resin by gravure printing using heat-resistant ink.

壁パネル３の中間層４Ａは、矩形状の導光板５で構成されている。導光板５は透明な合成樹脂（例えばアクリル樹脂）或いはガラス等からなり、光透過性表面材４ａとほぼ同面積の矩形平板状に形成されている。この導光板５の光出射面６ａとなる表面６は、光透過性表面材４ａと空隙Ｓをあけて対向配置されている。導光板５の裏面７には後述する導光パターン９が形成されている。   The intermediate layer 4 </ b> A of the wall panel 3 is composed of a rectangular light guide plate 5. The light guide plate 5 is made of a transparent synthetic resin (for example, acrylic resin) or glass, and is formed in a rectangular flat plate shape having substantially the same area as the light-transmitting surface material 4a. The surface 6 which becomes the light emitting surface 6a of the light guide plate 5 is disposed to face the light transmissive surface material 4a with a gap S therebetween. A light guide pattern 9 to be described later is formed on the back surface 7 of the light guide plate 5.

壁パネル３の裏面層４Ｂは、前方に開口した水平断面略コ字状をした固定ベース８で構成されている。この固定ベース８は、図２に示すように、導光板５の裏面７から空隙Ｓ１をあけて対向する背板部８ａと、導光板５の左右の前端縁にそれぞれ係止する一対の係止部８ｂとを一体に備えている。固定ベース８は遮光性材料で構成されており、光反射面としても機能する。   The back surface layer 4B of the wall panel 3 is composed of a fixed base 8 having a substantially U-shaped horizontal section that opens forward. As shown in FIG. 2, the fixed base 8 has a pair of latches respectively latched to the back plate portion 8 a facing the gap 7 from the back surface 7 of the light guide plate 5 and the left and right front end edges of the light guide plate 5. The unit 8b is provided integrally. The fixed base 8 is made of a light shielding material, and also functions as a light reflecting surface.

上記導光板５の上下方向Ｄの一端面５ａ側に第1の光源１が配置され、他端面５ｂ側に第２の光源２が配置されている。これらの光源１,２は多数のＬＥＤからなり、各ＬＥＤを実装するＬＥＤ基板３０と、ＬＥＤ基板３０を支持する基板ベース３１とを一体に備えた光源ブロック３２で構成されている。本例では光源ブロック３２の基板ベース３１が、固定ベース８の上下両端部にそれぞれ取着されている。   The first light source 1 is disposed on the one end surface 5a side in the vertical direction D of the light guide plate 5, and the second light source 2 is disposed on the other end surface 5b side. These light sources 1 and 2 are made up of a large number of LEDs, and are composed of a light source block 32 that is integrally provided with an LED substrate 30 on which each LED is mounted and a substrate base 31 that supports the LED substrate 30. In this example, the substrate base 31 of the light source block 32 is attached to both upper and lower ends of the fixed base 8.

上記壁パネル３の上端部には、天井２１に取り付けられる上枠部４０が設けられ、上枠部４０の後端部に固定ベース８の上端部が凹凸嵌合により接続されており、上枠部４０の前端部から垂下部４１が垂下しており、この垂下部４１によって上側の光源ブロック３２が覆い隠されていると共に垂下部４１の前面側に光透過性表面材４ａの上端部が取着されている。同様な構造で、壁パネル３の下端部には、床２０に取り付けられる下枠部４２が設けられ、下枠部４２の後端部に固定ベース８の下端部が凹凸嵌合により接続されており、下枠部４２の前端部から立上り部４３が立設されており、この立上り部４３によって下側の光源ブロック３２が覆い隠されていると共に立上り部４３の前端面に光透過性表面材４ａの下端部が取着されている。   An upper frame portion 40 attached to the ceiling 21 is provided at the upper end portion of the wall panel 3, and the upper end portion of the fixed base 8 is connected to the rear end portion of the upper frame portion 40 by concave and convex fitting. A drooping portion 41 hangs from the front end portion of the portion 40, and the upper light source block 32 is covered by the drooping portion 41, and the upper end portion of the light transmissive surface material 4 a is attached to the front side of the drooping portion 41. It is worn. With a similar structure, a lower frame portion 42 attached to the floor 20 is provided at the lower end portion of the wall panel 3, and the lower end portion of the fixed base 8 is connected to the rear end portion of the lower frame portion 42 by an uneven fitting. A rising portion 43 is erected from the front end portion of the lower frame portion 42, and the lower light source block 32 is covered by the rising portion 43, and a light-transmitting surface material is formed on the front end surface of the rising portion 43. The lower end of 4a is attached.

ここで、上記導光板５の裏面７側に設けられる導光パターン９は、光源１（２）から導光板５内部に入射した光を光出射面６ａに向かって屈折又は散乱させることで拡散させるためのものである。導光パターン９の生成方法として導光印刷を行う方法、プリズム状凹凸を加工或いは成型する方法、反射フィルムを貼着する方法等が挙げられる。本例では導光パターン９が長尺になる場合は、コスト削減を図るために、図１（ａ）に示すように、縦長に均一幅の導光パターン９を押し出し加工による同一ラインにて塗布するようにしている。   Here, the light guide pattern 9 provided on the back surface 7 side of the light guide plate 5 diffuses the light incident from the light source 1 (2) into the light guide plate 5 by being refracted or scattered toward the light exit surface 6a. Is for. Examples of a method for generating the light guide pattern 9 include a method of performing light guide printing, a method of processing or molding prism-shaped irregularities, and a method of attaching a reflective film. In this example, when the light guide pattern 9 is long, as shown in FIG. 1A, the light guide pattern 9 having a uniform width is applied on the same line by extrusion processing in order to reduce costs. Like to do.

また導光パターン９の上下方向Ｄの両端に配置される第1の光源１と第２の光源２が共に最大出力で発光した場合に導光板５の光出射面６ａ全体が発光するように導光パターン９の密度が設定されている。これにより、光源１,２近傍のみが発光して均一化が図れなくなる事態を回避できるものである。   In addition, when both the first light source 1 and the second light source 2 arranged at both ends in the vertical direction D of the light guide pattern 9 emit light at the maximum output, the light emission surface 6a of the light guide plate 5 is guided so as to emit light. The density of the light pattern 9 is set. As a result, it is possible to avoid a situation in which only the vicinity of the light sources 1 and 2 emits light and cannot be made uniform.

しかして、上記構成の壁パネル３をその上下方向Ｄが上下方向に向くように縦向きにして天井２１と床２０との間に建て込むことにより、床２０に近い位置から成人の平均的な目線よりも高い天井２１に近い位置に至る広範囲の大面積で発光する壁パネル３を構築できる。従って、従来のように面発光する照明装置を壁面に取り付ける必要がなくなると共に、演出、明かり用としての効果を高めることができる。しかも壁パネル３の光透過性表面材４ａがその裏面側に配置した大面積の導光板５から発する光によって発光するので、例えば光透過性表面材４ａを化粧目的の加飾材４ｂで形成した場合は、演出用、明かり用として一層有効に使用でき、壁パネル３の発光機能をより拡大することができる。   Thus, by constructing the wall panel 3 having the above-described structure vertically between the ceiling 21 and the floor 20 so that the vertical direction D thereof is oriented in the vertical direction, an average adult can be seen from a position close to the floor 20. It is possible to construct the wall panel 3 that emits light in a large area over a wide area reaching a position close to the ceiling 21 higher than the line of sight. Therefore, it is not necessary to attach a lighting device that emits surface light to the wall surface as in the prior art, and it is possible to enhance the effects for production and lighting. Moreover, since the light-transmitting surface material 4a of the wall panel 3 emits light by light emitted from the large-area light guide plate 5 arranged on the back side thereof, for example, the light-transmitting surface material 4a is formed of a decorative material 4b for cosmetic purposes. In this case, it can be used more effectively for production and lighting, and the light emission function of the wall panel 3 can be further expanded.

図４は上下の各光源ブロック３２において、光源１,２を構成するＬＥＤを横方向に多数配列し、上側の発光領域１０Ａを左右２つに分離し、下側の発光領域１０を左右２つに分離し、これら４つの領域１０Ａ,１０Ｂ毎に光源１,２の明るさを制御できるようにした場合の一例である。各光源１,２の明るさを可変にすることで、第1の光源１に近い上側の２つの発光領域１０Ａ、第２の光源２に近い下側の２つの発光領域１０Ｂのいずれかを選択的に発光させる。つまり、１枚の導光板５の光出射面６ａを４つの発光領域１０Ａ,１０Ｂに分離すると共に、上下２つの光源１,２を上記各発光領域１０Ａ,１０Ｂに個別に対応して配置し、各発光領域１０Ａ,１０Ｂのいずれかが選択的に発光するように上記各光源１,２の明るさを可変にすることで、1枚の導光板５の光出射面６ａを異なる発光分布に切り替え可能となり、該光出射面６ａの内部で光を擬似的に動かして演出性を高めることができる。そのうえ、成人の平均的な目線の高さに第1の発光領域１０Ａ及び第1の光源１が位置し、それよりも低い位置に第２の発光領域１０Ｂ及び第２の光源２が位置するように、導光板５の光出射面６ａを上下に２分離して、これら分離された発光領域１０Ａ,１０Ｂを選択的に発光させることによって、人が近づいたときに眩しさを感じることがないようにできる。   In FIG. 4, in each of the upper and lower light source blocks 32, a large number of LEDs constituting the light sources 1 and 2 are arranged in the horizontal direction, the upper light emitting area 10 </ b> A is separated into two left and right, and the lower light emitting area 10 is divided into two This is an example in which the brightness of the light sources 1 and 2 can be controlled for each of these four regions 10A and 10B. By making the brightness of each of the light sources 1 and 2 variable, one of the upper two light emitting areas 10A close to the first light source 1 and the lower two light emitting areas 10B close to the second light source 2 is selected. To emit light. That is, the light emitting surface 6a of one light guide plate 5 is separated into four light emitting areas 10A and 10B, and the two upper and lower light sources 1 and 2 are arranged individually corresponding to the light emitting areas 10A and 10B, By changing the brightness of each of the light sources 1 and 2 so that one of the light emitting regions 10A and 10B selectively emits light, the light emitting surface 6a of one light guide plate 5 is switched to a different light emission distribution. This makes it possible to enhance the performance by moving the light in a pseudo manner within the light exit surface 6a. In addition, the first light emitting area 10A and the first light source 1 are positioned at an average eye level of an adult, and the second light emitting area 10B and the second light source 2 are positioned at a lower position. In addition, the light emitting surface 6a of the light guide plate 5 is separated into two parts in the upper and lower directions, and the separated light emitting areas 10A and 10B are selectively made to emit light so as not to feel dazzling when a person approaches. Can be.

また本例では、図３に示すように、人体を検知する人感センサ４６を床２０側の枠部４２に設け、人感センサ４６からの検知信号を明るさ制御部（図示せず）に入力して、人を検知したときは明るさを弱く、検知しないときは明るくなるように、人の検知に応じて光源１,２の明るさを変化させるものである。図中の４５は幅木である。しかして、壁パネル３に人が近づいたときは光源１の明るさを弱めることにより、眩しさを感じることがないようにできる。人を検知しないときは光源１の明るさを強めることにより、演出・明かり効果を高めることができる。人の状況に応じて発光状態を可変にすることができ、壁パネル３の面発光機能がより向上する。   Further, in this example, as shown in FIG. 3, a human sensor 46 for detecting a human body is provided in the frame 42 on the floor 20 side, and a detection signal from the human sensor 46 is sent to a brightness control unit (not shown). The brightness of the light sources 1 and 2 is changed according to the detection of the person so that the brightness is weakened when the person is detected and the brightness is weakened when the person is detected and brightened when the person is not detected. In the figure, 45 is a skirting board. Thus, when a person approaches the wall panel 3, the brightness of the light source 1 is reduced, so that no glare can be felt. When the person is not detected, the brightness of the light source 1 can be increased to enhance the production / lighting effect. The light emission state can be made variable according to the situation of the person, and the surface light emission function of the wall panel 3 is further improved.

ここで、天井２１側の光源１及び床２０側の光源２が共に最大出力で発光した場合を「強さ：２」、光源１又は光源２の一方が最大出力で発光した場合を「強さ：１」、出力を弱めた場合を「強さ：０．５」、出力をゼロにした場合を「強さ：０」としたとき、光源１,２の個別の明るさ制御によって以下の［表１］に示す異なる複数の発光状態を作り出すことができる。   Here, when the light source 1 on the ceiling 21 side and the light source 2 on the floor 20 side both emit light at the maximum output, “intensity: 2”, and when either one of the light source 1 or the light source 2 emits light at the maximum output, “intensity” 1 ”, when the output is weakened,“ strength: 0.5 ”, and when the output is zero,“ strength: 0 ”, the brightness of the light sources 1 and 2 is controlled by the following brightness control: A plurality of different light emission states shown in Table 1] can be created.

Figure 2010229693
Figure 2010229693

上記［表１］の各発光状態は光源１,２の明るさを制御することで達成可能であるため、使用状態に合わせた制御が容易となる。各発光状態のイメージを図５（ａ）〜（ｄ）に示す。人が近くにいない場合は上記［表１］の「全面点灯」又は「上側点灯」の状態にすることで、広く照らすことができて演出効果を高めることができる。また、人が近くにきた場合は上記［表１］の「下側点灯」の状態に切り替えることで、眩しさを抑えては足元を照らし、人が再び離れた場合は上記「全面点灯」或いは「上側点灯」の状態に戻すようにする。   Since each light emission state of the above [Table 1] can be achieved by controlling the brightness of the light sources 1 and 2, the control according to the use state is facilitated. Images of the respective light emission states are shown in FIGS. When a person is not nearby, the “full lighting” or “upper lighting” state of [Table 1] described above can be used to illuminate widely and enhance the production effect. In addition, when a person comes near, switching to the “lower lighting” state of [Table 1] above, the glare is suppressed to illuminate the feet, and when the person leaves again, the “entire lighting” or Return to the “upper lighting” state.

また、上記［表１］の上側点灯→全面点灯（弱）→下側点灯の順に切り替えることにより、光を擬似的に動かす制御を行うことができ、演出性を向上させることが可能となる。   Moreover, by switching in the order of upper side lighting → full-side lighting (weak) → lower side lighting in [Table 1], it is possible to perform control of moving light in a pseudo manner, and it is possible to improve performance.

さらに、複数の発光領域１０Ａ,１０Ｂを横向きに並べて配置した場合において、人の動きに追随して光を横方向に動かす制御も可能である。   Further, when the plurality of light emitting areas 10A and 10B are arranged side by side, it is possible to control the movement of light in the horizontal direction following the movement of a person.

さらに本例では、光源１,２への電流制御のみで、光を擬似的に動かすことができる。   Furthermore, in this example, the light can be artificially moved only by controlling the current to the light sources 1 and 2.

前記実施形態では壁パネル３の横幅寸法を幅広としたが、飾り柱の外観となるように幅狭状としてもよい。   In the said embodiment, although the width dimension of the wall panel 3 was made wide, it is good also as a narrow shape so that it may become the external appearance of a decoration pillar.

また、光源１,２としてＬＥＤに限らず、例えば、冷陰極管などのライン光源を用いてもよい。   The light sources 1 and 2 are not limited to LEDs, and for example, line light sources such as cold cathode tubes may be used.

１ 第1の光源
２ 第２の光源
３ 壁パネル
４ 表面層
４ａ 光透過性表面材
５ 導光板
５ａ 一端面
５ｂ 他端面
６ 表面
６ａ 光出射面
７ 裏面
９ 導光パターン
１０Ａ,１０Ｂ 発光領域
２０ 床
２１ 天井
４６ 人感センサ
Ｄ 上下方向
Ｓ 隙間
DESCRIPTION OF SYMBOLS 1 1st light source 2 2nd light source 3 Wall panel 4 Surface layer 4a Light transmissive surface material 5 Light guide plate 5a One end surface 5b Other end surface 6 Surface 6a Light emission surface 7 Back surface 9 Light guide pattern 10A, 10B Light emission area 20 Floor 21 Ceiling 46 Human sensor D Vertical direction S Clearance

Claims (4)

屋内空間の壁面の少なくとも上下方向の中央領域を含んで、壁面の下部領域から上部領域に跨って配置される面発光機能付き建築用壁パネルであって、壁パネルの表面層が、光透過性を有する光透過性表面材からなり、該光透過性表面材の裏面側に透明な導光板が配置されていると共に、該導光板の上下方向の両端面側にそれぞれ光源が配置されて各光源からの光が該両端面から入光するように構成されており、該導光板の表面が光出射面とされ、該導光板の裏面側に、上記光源から導光板内部に入射した光を光出射面に向かって拡散させる導光パターンが上下方向に亘るように設けられていることを特徴とする面発光機能付き建築用壁パネル。   A wall panel for a building with a surface emitting function, which is disposed from the lower region of the wall surface to the upper region, including at least the central region of the wall surface of the indoor space, and the surface layer of the wall panel is light transmissive A transparent light guide plate is disposed on the back side of the light transmissive surface material, and light sources are disposed on both end surfaces of the light guide plate in the vertical direction. The light from the light source plate enters the light guide plate, the light guide plate has a light exit surface, and light incident on the light guide plate from the light source is transmitted to the back side of the light guide plate. A building wall panel with a surface light emitting function, wherein a light guide pattern to be diffused toward the emission surface is provided so as to extend in the vertical direction. 上記導光板の上下方向の両端面側にそれぞれ配置される各光源の明るさを可変にする手段を設けたことを特徴とする請求項１記載の面発光機能付き建築用壁パネル。   2. The building wall panel with a surface light emitting function according to claim 1, further comprising means for varying the brightness of each light source respectively disposed on both end surfaces in the vertical direction of the light guide plate. 上記導光板の上下方向の両端面側にそれぞれ配置される各光源が左右方向に配列される複数のＬＥＤからなり、各ＬＥＤの明るさを可変にする手段を設けたことを特徴とする請求項１又は２記載の面発光機能付き建築用壁パネル。   The light sources respectively arranged on both end surfaces in the vertical direction of the light guide plate are composed of a plurality of LEDs arranged in the horizontal direction, and means for changing the brightness of each LED is provided. An architectural wall panel with surface emitting function according to 1 or 2. 上記導光板近辺の人体を検知する人感センサーを設け、人感センサによる人体の検知に応じて光源の明るさを変化させるようにしたことを特徴とする請求項１乃至３のいずれか一項に記載の面発光機能付き建築用壁パネル。
4. A human sensor for detecting a human body in the vicinity of the light guide plate is provided, and the brightness of the light source is changed in accordance with detection of the human body by the human sensor. A wall panel for buildings with a surface emitting function described in 1.
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