WO2012176352A1 - Lighting structure - Google Patents
Lighting structure Download PDFInfo
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- WO2012176352A1 WO2012176352A1 PCT/JP2011/080326 JP2011080326W WO2012176352A1 WO 2012176352 A1 WO2012176352 A1 WO 2012176352A1 JP 2011080326 W JP2011080326 W JP 2011080326W WO 2012176352 A1 WO2012176352 A1 WO 2012176352A1
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- WIPO (PCT)
- Prior art keywords
- light guide
- light
- building material
- illumination
- lighting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/006—General building constructions or finishing work for buildings, e.g. roofs, gutters, stairs or floors; Garden equipment; Sunshades or parasols
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0008—Reflectors for light sources providing for indirect lighting
- F21V7/0016—Reflectors for light sources providing for indirect lighting on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0091—Reflectors for light sources using total internal reflection
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
Provided is a lighting structure capable of illuminating a building material panel and improving the feeling of brightness in a room, even when a lighting device is positioned in the joint between building material panels. A lighting structure in which a lighting device (1) is positioned at a joint (50) between a first building material panel (60A) and a second building material panel (60B) that each have a first surface and a second surface on the opposite side from the first surface, and are positioned in a manner such that the first surfaces thereof are oriented in the same direction, wherein the long lighting device (1) has a lens part (31) and a lighting unit (2) that contains a light source (11). The lens part (31) is: formed along the joint (50) so as to project outward from the first surface (60a) of the first building material panel (60A) and the first surface (60a) of the second building material panel (60B); and configured so as to cause part of the light from the light source (11) to be reflected and directed toward the first and/or the second building material panel (60A, 60B).
Description
本発明は、建材パネル間の目地の照明構造に関する。
The present invention relates to a joint lighting structure between building material panels.
非点灯時に照明装置が目立たないようにするため、近年、天井や壁などの建材パネル間の目地（建材パネルと建材パネルとの間の接合部に生じる継ぎ目）に照明装置を配設することが検討されている。例えば、日本国特許公開２００１－１４０４３９号公報（以下、特許文献１と呼ぶ）では、タイル間の目地にＬＥＤを設けたＬＥＤ付建材が提案されている。このＬＥＤ付建材は、目地に備え付けたＬＥＤによって、建材に電飾機能や照明機能などを持たせている。
In recent years, lighting devices have been installed at joints between building material panels such as ceilings and walls (a joint formed between the building material panels and the building material panels) so that the lighting devices are not conspicuous when not lit. It is being considered. For example, Japanese Patent Publication No. 2001-140439 (hereinafter referred to as Patent Document 1) proposes a building material with LED in which LEDs are provided at joints between tiles. In this building material with LED, the building material is provided with an electric decoration function, an illumination function, and the like by an LED provided at the joint.
しかしながら、特許文献１のＬＥＤ付建材はＬＥＤを目地に点在して配置していることに加え、個々のＬＥＤの発光面積が小さいこと、タイル面を直接照らすものでもないことなどから、タイル面が暗く見え、部屋全体の明るさ感がない。
However, in the building material with LED of Patent Document 1, in addition to the LED being scattered on the joint, the light emitting area of each LED is small, and the tile surface is not directly illuminated. Appears dark and there is no sense of brightness in the entire room.
本発明は、以上のとおりの事情に鑑みてなされたものであり、建材パネル間の目地に照明装置を配設した場合でも、建材パネルを明るくして部屋の明るさ感を向上させることが可能な照明構造を提供することを課題としている。
The present invention has been made in view of the circumstances as described above, and even when a lighting device is arranged at a joint between building material panels, it is possible to brighten the building material panels and improve the sense of brightness of the room. It is an object to provide a simple lighting structure.
上記の課題を解決するために、本発明の照明構造は、各々が第１面及び当該第１面とは反対側の面である第２面を有し第１面同士が同じ向きを向くように配置された第１の建材パネル及び第２の建材パネルの間の目地に、照明装置が配設されている照明構造において、照明装置は長尺状であって、この照明装置は、光源を含む照明ユニットとレンズ部とを有し、レンズ部は、第１の建材パネルの第１面及び第２の建材パネルの第１面から突出するように目地に沿って形成され、このレンズ部は、光源からの光の一部を反射によって第１及び／又は第２の建材パネル側に照射するよう構成されていることを特徴とする。
In order to solve the above-described problems, the illumination structure of the present invention has a first surface and a second surface that is the surface opposite to the first surface, and the first surfaces face the same direction. In the lighting structure in which the lighting device is arranged at the joint between the first building material panel and the second building material panel arranged in the lighting device, the lighting device is long, and the lighting device has a light source. The lighting unit and the lens unit are included, and the lens unit is formed along the joint so as to protrude from the first surface of the first building material panel and the first surface of the second building material panel. The first and / or second building material panel side is irradiated with a part of light from the light source by reflection.
この照明構造においては、照明装置は、光源を含む前記照明ユニットと、透光性を有する材料から長尺状に形成されその短手方向の一端部にレンズ部が形成された導光部材とを備え、照明ユニットは、第１の建材パネルの第１面よりも第２面側かつ第２の建材パネルの第１面よりも第２面側の位置に、配設されていることが好ましい。
In this illumination structure, the illumination device includes the illumination unit including a light source, and a light guide member that is formed in a long shape from a light-transmitting material and has a lens portion formed at one end in the short direction. The lighting unit is preferably disposed at a position closer to the second surface than the first surface of the first building material panel and closer to the second surface than the first surface of the second building material panel.
この照明構造においては、レンズ部は、先端側が凹状に形成されていることが好ましい。
In this illumination structure, it is preferable that the lens portion is formed in a concave shape on the tip side.
この照明構造においては、レンズ部は、先端側が凸状に形成されていることが好ましい。
In this illumination structure, it is preferable that the lens portion is formed in a convex shape on the tip side.
この照明構造においては、レンズ部の先端にカバー部材が配設され、このカバー部材の表面側が、第１及び／又は第２の建材パネルと略同柄及び／又は略同色調、又は、目地と略同柄及び／又は略同色調であることが好ましい。
In this illumination structure, a cover member is disposed at the tip of the lens unit, and the surface side of the cover member is substantially the same pattern and / or substantially the same color tone or joint as the first and / or second building material panel. It is preferable that they have substantially the same pattern and / or substantially the same color tone.
この照明構造においては、カバー部材は、その幅寸法がレンズ部の幅寸法と略同一であることが好ましい。
In this illumination structure, it is preferable that the width of the cover member is substantially the same as the width of the lens portion.
この照明構造においては、カバー部材は、幅方向両側端部に、互いに対向する一対の係止部が形成され、レンズ部には、カバー部材の係止部と嵌合する係合部が形成されていることが好ましい。
In this illumination structure, the cover member is formed with a pair of engaging portions facing each other at both ends in the width direction, and the lens portion is formed with an engaging portion that fits with the engaging portion of the cover member. It is preferable.
この照明構造においては、レンズ部は、先端側が凹状に形成されており、カバー部材は、レンズ部の先端側に形成されている凹状部に嵌合する係止部が形成されていることが好ましい。
In this illumination structure, it is preferable that the lens portion is formed in a concave shape on the tip side, and the cover member is formed with a locking portion that fits into the concave portion formed on the tip side of the lens portion. .
この照明構造においては、レンズ部は、照明装置の長手方向に沿って形成されていることが好ましい。
In this illumination structure, the lens portion is preferably formed along the longitudinal direction of the illumination device.
この照明構造においては、照明ユニットは、光源を含む光源ユニットと、光源ユニットを内部に収納する長尺の照明ケースとを備え、照明ケースは、互いに対向する一対の側板の各々に、長手方向に沿って延設された第１の保持部を備え、導光部材は、長手方向の一対の側面の各々に、照明ケースの第１の保持部に支持される連結部を備えることが好ましい。
In this lighting structure, the lighting unit includes a light source unit including a light source and a long lighting case that houses the light source unit therein, and the lighting case is provided in a longitudinal direction on each of the pair of side plates facing each other. Preferably, the light guide member includes a connecting portion supported by the first holding portion of the lighting case on each of the pair of side surfaces in the longitudinal direction.
この照明構造においては、照明ユニットは、長尺状であって長手方向の一端面に入光面を有するとともに長手方向の一側面に発光面を有する導光板をさらに備え、照明ケースは、導光板及び光源ユニットを内部に収納するよう構成され、光源ユニットは、導光板の入光面に対向して配置され、照明ケースは、第１の保持部が設けられた一対の側板の各々に、長手方向に沿って延設された第２の保持部を備え、導光板は、長手方向の側面のうちで発光面に隣接する一対の側面の各々に、照明ケースの第２の保持部に支持される突起部を備えることが好ましい。
In this illumination structure, the illumination unit further includes a light guide plate that is elongated and has a light incident surface on one end surface in the longitudinal direction and a light emitting surface on one side surface in the longitudinal direction. And the light source unit is disposed opposite to the light incident surface of the light guide plate, and the illumination case is elongated on each of the pair of side plates provided with the first holding portion. The light guide plate is supported by the second holding portion of the lighting case on each of a pair of side surfaces adjacent to the light emitting surface among the side surfaces in the longitudinal direction. It is preferable to provide a protruding portion.
この照明構造においては、導光板は楔形に形成され、導光板の発光面における入光面側の端部に、段部が形成されていることが好ましい。
In this illumination structure, it is preferable that the light guide plate is formed in a wedge shape, and a step portion is formed at an end of the light emitting surface of the light guide plate on the light incident surface side.
本発明の照明構造によれば、建材パネル間の目地に照明装置を配設した場合でも、建材パネルを明るくして部屋の明るさ感を向上させることができる。
According to the lighting structure of the present invention, it is possible to brighten the building material panel and improve the brightness of the room even when the lighting device is arranged at the joint between the building material panels.
以下、図面を参照して本発明の実施形態を説明する。
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
図１は、本発明の照明構造の一実施形態を示す斜視図であり、図２は、図１の照明構造のＡ－Ａ線断面図である。図３は、本発明の照明構造に用いられる照明ユニットの一実施形態を示す断面図である。図４は、本発明の照明構造に用いられる光源ユニットの一実施形態を示す分解斜視図である。図５Ａ，図５Ｂはそれぞれ、導光部材に入光した光の光学特性を説明するための模式図である。図６は、レンズ部からの光の照射方向を説明するための模式図である。
FIG. 1 is a perspective view showing an embodiment of the illumination structure of the present invention, and FIG. 2 is a cross-sectional view of the illumination structure of FIG. FIG. 3 is a cross-sectional view showing an embodiment of an illumination unit used in the illumination structure of the present invention. FIG. 4 is an exploded perspective view showing an embodiment of a light source unit used in the illumination structure of the present invention. FIG. 5A and FIG. 5B are schematic diagrams for explaining optical characteristics of light incident on the light guide member. FIG. 6 is a schematic diagram for explaining the irradiation direction of light from the lens unit.
本実施形態の照明構造は、図１に示されるように、天井の建材パネル６０と建材パネル６０との間（第１の建材パネル６０Ａと第２の建材パネル６０Ｂとの間）の目地５０に照明装置１が配設されている。なお、各建材パネル６０は、図２に示すように、第１面（建材パネル面）６０ａと、第１面６０ａとは反対側の第２面６０ｂとを有する。第１の建材パネル６０Ａと第２の建材パネル６０Ｂは、各々の建材パネル面（第１面）６０ａが略同じ向きを向くように配置されている（図２参照）。照明装置１は、第１の建材パネル６０Ａと第２の建材パネル６０Ｂとの間に配置される。この照明装置１は、長尺状であり、図１－２に示されるように、光源を含む照明ユニット２と、この照明ユニット２からの光の一部を反射によって建材パネル６０側（本実施形態では、第１の建材パネル６０Ａ側及び第２の建材パネル６０Ｂ側の両側）に照射するレンズ部３１とを有している。レンズ部３１は、照明装置１の長手方向（図２の前後方向）に沿って形成されている。なお、図１の図示例では、照明ユニット２の長手方向の長さを、建材パネル６０の建材パネル面６０ａの一辺の長さと略等しくし、一対の建材パネル６０の間に一つの照明装置１を配置している。しかし、本発明はこの図示例に限定されるわけではない。例えば、照明ユニット２の長手方向の長さを、建材パネル面６０ａの一辺の長さと異なる長さ（例えば、上記建材パネル６０ａの一辺の長さの２倍や２／３など）としてもよい。
As shown in FIG. 1, the lighting structure of the present embodiment has a joint 50 between the ceiling building material panel 60 and the building material panel 60 (between the first building material panel 60A and the second building material panel 60B). A lighting device 1 is provided. As shown in FIG. 2, each building material panel 60 has a first surface (building material panel surface) 60a and a second surface 60b opposite to the first surface 60a. The first building material panel 60A and the second building material panel 60B are arranged such that each building material panel surface (first surface) 60a faces substantially the same direction (see FIG. 2). The lighting device 1 is disposed between the first building material panel 60A and the second building material panel 60B. The lighting device 1 has a long shape, and as shown in FIG. 1-2, a lighting unit 2 including a light source and a part of light from the lighting unit 2 are reflected by the building material panel 60 side (this embodiment). In the form, it has the lens part 31 which irradiates to both the 1st building material panel 60A side and the 2nd building material panel 60B side. The lens unit 31 is formed along the longitudinal direction of the lighting device 1 (front-rear direction in FIG. 2). In the illustrated example of FIG. 1, the length of the lighting unit 2 in the longitudinal direction is substantially equal to the length of one side of the building material panel surface 60 a of the building material panel 60, and one lighting device 1 is interposed between the pair of building material panels 60. Is arranged. However, the present invention is not limited to this illustrated example. For example, the length of the lighting unit 2 in the longitudinal direction may be different from the length of one side of the building material panel surface 60a (for example, twice the length of one side of the building material panel 60a or 2/3).
照明ユニット２は、線状に光るライン照明であり、導光板３と、この導光板３に光を出射する光源ユニット１０と、導光板３及び光源ユニット１０を収納する照明ケース２０とを備えている。
The illumination unit 2 is line illumination that shines linearly, and includes a light guide plate 3, a light source unit 10 that emits light to the light guide plate 3, and an illumination case 20 that houses the light guide plate 3 and the light source unit 10. Yes.
導光板３は単数もしくは複数でもよく、複数の場合には長手方向に沿って連続して配列されて照明ケース２０に収納される。本実施形態では、図３に示されるように、導光板３が複数長手方向に配列され、隣接する導光板３の端部同士が互いに当接するように連続して配置されている。
The light guide plate 3 may be a single light guide plate or a plurality of light guide plates 3. In the present embodiment, as shown in FIG. 3, a plurality of light guide plates 3 are arranged in the longitudinal direction, and the light guide plates 3 are continuously arranged so that the ends of the adjacent light guide plates 3 are in contact with each other.
導光板３は、透光性を有し屈折率の高いアクリル樹脂やポリカーボネート樹脂などの合成樹脂で構成され、例えば、押出工法により長尺状に形成される。導光板３は、ガラスなどの部材で構成することもできる。
The light guide plate 3 is made of a synthetic resin such as an acrylic resin or a polycarbonate resin having a light transmitting property and a high refractive index, and is formed in a long shape by, for example, an extrusion method. The light guide plate 3 can also be composed of a member such as glass.
本実施形態の導光板３は、断面視略矩形状に形成され、長手方向（図３における左右方向）の一端面（短辺側の一方の側面）に、光源ユニット１０からの光を受光する入光面４を有し、長手方向の一側面（長辺側の一側面）に、入光面４で受光した光を出射する発光面５を有する。つまり、入光面４と発光面５とは互いに交差している。この発光面５とは反対側の側面は、入光面４からその反対側の側面９に向かって漸近する傾斜面６を有しており、導光板３は、弓形形状（楔形形状ともいう）に形成されている。つまり、導光板３は、発光面５と傾斜面６とを結ぶ方向を高さ方向としたとき、入光面４側から反対の側面９側へ向かって徐々に高さが低くなる楔形に形成されている。この傾斜面６によって、入光面４で受光した光の繰り返し反射による減衰が抑えられる。この効果を高めるために、傾斜面６に光拡散面を設けることができる。光拡散面は、例えば、反射シートを傾斜面に貼着したり反射性の物質を傾斜面に印刷ないし蒸着したりすることによって形成される。また光拡散面は、導光板３の長手方向と直交する方向に断面視Ｖ字状の溝条を長手方向に沿って加工することによっても形成することができる。このような光拡散面は導光板３の長手方向全長にわたって設けることができる。また、導光板３の発光面５には、導光板３の長手方向における入光面４側の端部（第１端部）に、段部５９が形成されている。
The light guide plate 3 of the present embodiment is formed in a substantially rectangular shape in cross section, and receives light from the light source unit 10 on one end surface (one side surface on the short side) in the longitudinal direction (left-right direction in FIG. 3). It has the light-incidence surface 4, and has the light emission surface 5 which radiate | emits the light received by the light-incidence surface 4 in one side surface (one side surface of a long side) in a longitudinal direction. That is, the light incident surface 4 and the light emitting surface 5 intersect each other. The side surface opposite to the light emitting surface 5 has an inclined surface 6 that gradually approaches from the light incident surface 4 toward the side surface 9 on the opposite side, and the light guide plate 3 has an arcuate shape (also referred to as a wedge shape). Is formed. That is, the light guide plate 3 is formed in a wedge shape whose height gradually decreases from the light incident surface 4 side toward the opposite side surface 9 side when the direction connecting the light emitting surface 5 and the inclined surface 6 is the height direction. Has been. The inclined surface 6 suppresses attenuation due to repeated reflection of light received by the light incident surface 4. In order to enhance this effect, a light diffusing surface can be provided on the inclined surface 6. The light diffusing surface is formed, for example, by sticking a reflective sheet to the inclined surface or printing or depositing a reflective substance on the inclined surface. The light diffusing surface can also be formed by processing a V-shaped groove in the direction perpendicular to the longitudinal direction of the light guide plate 3 along the longitudinal direction. Such a light diffusion surface can be provided over the entire length of the light guide plate 3 in the longitudinal direction. Further, on the light emitting surface 5 of the light guide plate 3, a step portion 59 is formed at an end portion (first end portion) on the light incident surface 4 side in the longitudinal direction of the light guide plate 3.
また、この導光板３は、長辺側の側面のうち発光面５に隣接する面８において、発光面５に近い部分に、突起部７が長手方向に沿って所定間隔で形成されている。つまり、導光板３は、長手方向の側面のうちで発光面５に隣接する一対の側面８の各々に、照明ケース２０の導光板保持部２４（後述）に支持される突起部７を備える。
Further, in the light guide plate 3, the protrusions 7 are formed at predetermined intervals along the longitudinal direction on the surface 8 adjacent to the light emitting surface 5 on the side surface on the long side, near the light emitting surface 5. That is, the light guide plate 3 includes the protrusions 7 supported by the light guide plate holding portion 24 (described later) of the lighting case 20 on each of the pair of side surfaces 8 adjacent to the light emitting surface 5 among the side surfaces in the longitudinal direction.
本実施形態の光源ユニット１０は、図４に示されるように、ＬＥＤなどの発光体１１（光源）と、この発光体１１を搭載する基板１２と、この基板１２を収納する基板ケース１３とを有している。基板ケース１３は、例えば、合成樹脂製又は金属製などの剛性部材で構成される。
As shown in FIG. 4, the light source unit 10 of the present embodiment includes a light emitter 11 (light source) such as an LED, a substrate 12 on which the light emitter 11 is mounted, and a substrate case 13 that houses the substrate 12. Have. The substrate case 13 is made of a rigid member made of synthetic resin or metal, for example.
本実施形態の基板ケース１３は、矩形状の底壁１５とこの底壁１５の外周四辺から立ち上がる矩形状の周側壁１４で構成され、底壁１５の対向面は開口１６を有している。発光体１１を搭載した基板１２は、基板ケース１３の開口１６側に発光体１１が配置されるように基板ケース１３の底壁１５に配設される。基板ケース１３に収納された基板１２の発光体１１からの光は開口１６を通して導光板３に向けて照射される。なお、光源ユニット１０は上記の構成に限られない。光源ユニット１０は、例えば、基板１２と一つのＬＥＤ１１とだけを備えたものであってもよい。
The substrate case 13 of this embodiment includes a rectangular bottom wall 15 and a rectangular peripheral side wall 14 that rises from the outer peripheral four sides of the bottom wall 15, and the opposing surface of the bottom wall 15 has an opening 16. The substrate 12 on which the light emitter 11 is mounted is disposed on the bottom wall 15 of the substrate case 13 so that the light emitter 11 is disposed on the opening 16 side of the substrate case 13. Light from the light emitter 11 of the substrate 12 accommodated in the substrate case 13 is irradiated toward the light guide plate 3 through the opening 16. The light source unit 10 is not limited to the above configuration. For example, the light source unit 10 may include only the substrate 12 and one LED 11.
照明ケース２０は、アルミニウムなどの金属、合成樹脂などの剛性部材で構成されている。図２に示されるように、照明ケース２０は、互いに対向する一対の平板状の長尺な縦板２１と、一対の縦板２１間を縦板２１の短手方向一端部（図２における上側の端部）において連結する平板状の長尺な横板２２とから形成され、長手方向（図２における前後方向）両側端部には開口を有している。
The lighting case 20 is made of a metal such as aluminum or a rigid member such as synthetic resin. As shown in FIG. 2, the lighting case 20 includes a pair of flat plate-like long vertical plates 21 facing each other, and one end portion in the short direction of the vertical plate 21 (the upper side in FIG. 2) between the pair of vertical plates 21. 2), and is formed of a flat plate-like long horizontal plate 22 that is connected to each other at both ends of the longitudinal direction (the front-rear direction in FIG. 2).
各縦板２１は、短手方向他端部（図２における下側の端部）に、内方（対向する縦板に向かう方向）に突出する導光部材保持部２３が長手方向全長にわたって形成されている。つまり、照明ケース２０は、互いに対向する一対の側板（縦板２１）の各々に、長手方向に沿って延設された導光部材保持部２３（第１の保持部）を備えている。この導光部材保持部２３は、後述する導光部材３０を保持するものであり、横板２２と略平行に形成されている。各導光部材保持部２３同士は離間しており、その離間距離は導光板３の幅寸法（発光面５に隣接する二つの長辺側の側面８間の寸法）と同程度に設定され、導光板３の発光面５から出射される光が導光部材保持部２３によって阻害されないようにされている。
Each of the vertical plates 21 has a light guide member holding portion 23 that protrudes inward (in the direction toward the opposing vertical plate) at the other end in the short direction (the lower end in FIG. 2) over the entire length in the longitudinal direction. Has been. In other words, the lighting case 20 includes a light guide member holding portion 23 (first holding portion) extending along the longitudinal direction on each of a pair of side plates (vertical plates 21) facing each other. The light guide member holding portion 23 holds a light guide member 30 described later, and is formed substantially parallel to the horizontal plate 22. The light guide member holding portions 23 are separated from each other, and the distance between the light guide member holding portions 23 is set to be approximately the same as the width dimension of the light guide plate 3 (dimension between the two long side surfaces 8 adjacent to the light emitting surface 5). The light emitted from the light emitting surface 5 of the light guide plate 3 is prevented from being obstructed by the light guide member holding portion 23.
また、各縦板２１には、導光部材保持部２３からやや横板２２寄りの位置に、内方に突出する導光板保持部２４が長手方向全長にわたって形成されている。つまり、照明ケース２０は、互いに対向する一対の側板（縦板２１）の各々に、長手方向に沿って延設された導光板保持部２４（第２の保持部）を備える。各縦板２１には、導光板保持部２４からさらに横板２２寄りの位置に、内方に突出する光源ユニット保持部２５が長手方向全長にわたって形成されている。つまり、照明ケース２０は、互いに対向する一対の側板（縦板２１）の各々に、長手方向に沿って延設された光源ユニット保持部２５（第３の保持部）を備える。導光板保持部２４及び光源ユニット保持部２５は、横板２２と略平行に形成されている。従って、横板２２と光源ユニット保持部２５との間の間隔は、照明ケース２０の長手方向にわたって実質的に等しくなっている。また、光源ユニット保持部２５と導光板保持部２４との間の間隔は、照明ケース２０の長手方向にわたって実質的に等しくなっている。また、導光板保持部２４と導光部材保持部２３との間の間隔は、照明ケース２０の長手方向にわたって実質的に等しくなっている。各導光板保持部２４同士及び各光源ユニット保持部２５同士は離間しており、その離間距離は導光板３を挟持可能に導光板３の幅寸法と同程度に設定されている。
In each vertical plate 21, a light guide plate holding portion 24 protruding inward is formed over the entire length in the longitudinal direction at a position slightly closer to the horizontal plate 22 from the light guide member holding portion 23. That is, the lighting case 20 includes a light guide plate holding portion 24 (second holding portion) that extends along the longitudinal direction on each of a pair of side plates (vertical plates 21) facing each other. Each vertical plate 21 is formed with a light source unit holding portion 25 projecting inward from the light guide plate holding portion 24 at a position closer to the horizontal plate 22 over the entire length in the longitudinal direction. That is, the lighting case 20 includes a light source unit holding portion 25 (third holding portion) that extends along the longitudinal direction on each of a pair of side plates (vertical plates 21) facing each other. The light guide plate holding part 24 and the light source unit holding part 25 are formed substantially parallel to the horizontal plate 22. Therefore, the distance between the horizontal plate 22 and the light source unit holding part 25 is substantially equal over the longitudinal direction of the lighting case 20. Further, the distance between the light source unit holding part 25 and the light guide plate holding part 24 is substantially equal over the longitudinal direction of the lighting case 20. Further, the distance between the light guide plate holding part 24 and the light guide member holding part 23 is substantially equal over the longitudinal direction of the lighting case 20. The light guide plate holders 24 and the light source unit holders 25 are separated from each other, and the distance between the light guide plate holders 24 is set to be approximately the same as the width of the light guide plate 3 so that the light guide plate 3 can be sandwiched.
次に、照明ケース２０への導光板３及び光源ユニット１０の収納について説明する。
Next, storage of the light guide plate 3 and the light source unit 10 in the lighting case 20 will be described.
導光板３の収納は、まず、導光板３の発光面５が照明ケース２０から露出するように導光板３の発光面５側を導光板保持部２４側に向けて導光板３を配置する。次いで、照明ケース２０の長手方向（図２における前後方向）両側端部の一方の端部の開口から導光板３を照明ケース２０内に差し込むことによってなされる。その際、導光板３の突起部７が導光板保持部２４と光源ユニット保持部２５との間に案内されるように導光板３を差し込む。差し込まれた導光板３は、突起部７が導光板保持部２４で支持されることによって、照明ケース２０内で保持される。また、導光板３の突起部７が導光板保持部２４と光源ユニット保持部２５との間に案内されているため、導光板３の高さ方向（縦板２１の短手方向）の移動が規制される。さらに導光板保持部２４と光源ユニット保持部２５によって導光板３が挟持されているため、導光板３の幅方向の移動が規制される。このように照明ケース２０内で保持、固定された状態で導光板３は収納される。
To store the light guide plate 3, first, the light guide plate 3 is disposed with the light emitting surface 5 side of the light guide plate 3 facing the light guide plate holding portion 24 so that the light emitting surface 5 of the light guide plate 3 is exposed from the lighting case 20. Next, the light guide plate 3 is inserted into the lighting case 20 from the opening at one end of both ends in the longitudinal direction (the front-rear direction in FIG. 2) of the lighting case 20. At that time, the light guide plate 3 is inserted so that the protruding portion 7 of the light guide plate 3 is guided between the light guide plate holding portion 24 and the light source unit holding portion 25. The inserted light guide plate 3 is held in the illumination case 20 by the protrusion 7 being supported by the light guide plate holding portion 24. In addition, since the protruding portion 7 of the light guide plate 3 is guided between the light guide plate holding portion 24 and the light source unit holding portion 25, the light guide plate 3 is moved in the height direction (the short direction of the vertical plate 21). Be regulated. Further, since the light guide plate 3 is sandwiched between the light guide plate holding unit 24 and the light source unit holding unit 25, the movement of the light guide plate 3 in the width direction is restricted. Thus, the light guide plate 3 is housed in a state of being held and fixed in the lighting case 20.
光源ユニット１０の収納は、基板ケース１３の開口１６が導光板３の入光面４に対向するように、照明ケース２０の長手方向両側端部の一方の端部の開口から光源ユニット１０を照明ケース２０内に差し込むことによってなされる。これにより、光源ユニット１０は、導光板３の入光面４に対向して配置される。その際、光源ユニット１０が照明ケース２０の横板２２と光源ユニット保持部２５との間に案内されるように光源ユニット１０を差し込む。差し込まれた光源ユニット１０は、照明ケース２０の横板２２と光源ユニット保持部２５との間に案内されているため、光源ユニット１０の高さ方向の移動が規制される。さらに照明ケース２０の縦板２１によって光源ユニット１０が挟持されているため、光源ユニット１０の幅方向の移動が規制される。このように照明ケース２０内で保持、固定された状態で光源ユニット１０は収納される。収納された光源ユニット１０は導光板３の入光面４に対峙し、光源ユニット１０から導光板３の入光面４に向かって光が出射される。
The light source unit 10 is housed by illuminating the light source unit 10 from the opening at one end of both ends in the longitudinal direction of the lighting case 20 so that the opening 16 of the substrate case 13 faces the light incident surface 4 of the light guide plate 3. This is done by inserting it into the case 20. Thereby, the light source unit 10 is disposed to face the light incident surface 4 of the light guide plate 3. At that time, the light source unit 10 is inserted so that the light source unit 10 is guided between the horizontal plate 22 of the illumination case 20 and the light source unit holding part 25. Since the inserted light source unit 10 is guided between the horizontal plate 22 of the illumination case 20 and the light source unit holding part 25, the movement of the light source unit 10 in the height direction is restricted. Further, since the light source unit 10 is held by the vertical plate 21 of the lighting case 20, the movement of the light source unit 10 in the width direction is restricted. In this way, the light source unit 10 is housed while being held and fixed in the lighting case 20. The stored light source unit 10 faces the light incident surface 4 of the light guide plate 3, and light is emitted from the light source unit 10 toward the light incident surface 4 of the light guide plate 3.
導光板３及び光源ユニット１０を複数、照明ケース２０に収納する場合、照明ケース２０の長手方向両側端部の一方の端部の開口から上記した手順で導光板３と光源ユニット１０を交互に順次差し込んでいけばよい。導光板３は楔形形状を有しているため、収納された複数の導光板３は、光源ユニット１０に干渉されずに、隣接する導光板３の端部同士が互いに当接するように連続して配置される。連続配置された導光板３において、導光板３の入光面４で受光した光源ユニット１０からの光は発光面５から出射されるが、発光面５以外にも入光面４とは反対側の面９から、長手方向に配置した別の隣接する導光板３に向かって出射される。導光板３の長手方向端部から出射した光は隣接する導光板３に入光されるので、発光効率を向上させることができる。連続配置した隣接する導光板３間の連結部が目立たない良好な外観が実現される。また、複数の導光板３を照明ケース２０に収納する場合、導光板３の長手方向における入射面４とは反対側の端部（第２端部；側面９側の端部）が、隣接する導光板３の段部５９にはめ込まれる。従って、導光板３は、第２端部が隣接する導光板３の入射面４側の端部（第１端部）と重なった状態で配置される。これにより、第２端部によって光源ユニット１０を隠すことができ、導光板３間の連結部分を目立たなくすることができる。また、本実施形態では導光板３に対応する数だけ光源ユニット１０を設けているが、導光板３よりも光源ユニット１０の数を少なくすることもできる。
When a plurality of the light guide plate 3 and the light source unit 10 are accommodated in the lighting case 20, the light guide plate 3 and the light source unit 10 are alternately and sequentially arranged from the opening at one end of both ends in the longitudinal direction of the lighting case 20 in the above-described procedure. Just plug it in. Since the light guide plate 3 has a wedge shape, the accommodated light guide plates 3 are not interfered with the light source unit 10 and are continuously arranged so that the ends of the adjacent light guide plates 3 are in contact with each other. Be placed. In the light guide plate 3 arranged continuously, the light from the light source unit 10 received by the light incident surface 4 of the light guide plate 3 is emitted from the light emitting surface 5. Is emitted toward another adjacent light guide plate 3 arranged in the longitudinal direction. Since the light emitted from the end portion in the longitudinal direction of the light guide plate 3 enters the adjacent light guide plate 3, the light emission efficiency can be improved. A good appearance in which the connecting portion between the adjacent light guide plates 3 arranged continuously is not conspicuous is realized. When the plurality of light guide plates 3 are housed in the lighting case 20, the end portion (second end portion; the end portion on the side surface 9 side) opposite to the incident surface 4 in the longitudinal direction of the light guide plate 3 is adjacent. The light guide plate 3 is fitted into the step portion 59. Therefore, the light guide plate 3 is disposed in a state where the second end portion overlaps the end portion (first end portion) on the incident surface 4 side of the adjacent light guide plate 3. Thereby, the light source unit 10 can be hidden by the second end portion, and the connection portion between the light guide plates 3 can be made inconspicuous. In the present embodiment, the number of light source units 10 corresponding to the number of the light guide plates 3 is provided. However, the number of light source units 10 may be smaller than that of the light guide plates 3.
レンズ部３１は、本実施形態では、図２に示されるように、導光部材３０の一部として構成されている。導光部材３０は、照明ユニット２の導光板３と同様、透光性を有し屈折率の高いアクリル樹脂やポリカーボネート樹脂などの合成樹脂で構成され、例えば、押出工法により長尺状に形成される。導光部材３０は、ガラスなどの部材で構成することもできる。導光部材３０は平板状に形成されており、レンズ部３１は、導光部材３０の短手方向一端部（図２における下側の端部）に、長手方向に沿って形成されている。導光部材３０は単数もしくは複数でもよく、複数の場合には長手方向に沿って連続して配列される。本実施形態では、導光部材３０は導光板３とは別体として形成されている。しかし、導光板３と導光部材３１とを一体に形成することもできる。
In this embodiment, the lens part 31 is configured as a part of the light guide member 30 as shown in FIG. Like the light guide plate 3 of the illumination unit 2, the light guide member 30 is made of a synthetic resin such as an acrylic resin or a polycarbonate resin having high translucency and having a high refractive index. For example, the light guide member 30 is formed in an elongated shape by an extrusion method. The The light guide member 30 can also be comprised by members, such as glass. The light guide member 30 is formed in a flat plate shape, and the lens portion 31 is formed at one end portion in the short direction of the light guide member 30 (the lower end portion in FIG. 2) along the longitudinal direction. The light guide member 30 may be single or plural, and in the case of plural, the light guide members 30 are continuously arranged along the longitudinal direction. In the present embodiment, the light guide member 30 is formed separately from the light guide plate 3. However, the light guide plate 3 and the light guide member 31 can be integrally formed.
導光部材３０は、レンズ部３１の反対側の端部（図２における上側の端部）に、照明ユニット２と連結する連結部３２が設けられている。この連結部３２は、照明ケース２０の導光部材保持部２３に対応する形状を有する凹溝として構成され、導光部材３０の長手方向全長にわたって形成されている。この連結部３２（凹溝）に照明ケース２０の導光部材保持部２３が係合するように、照明ケース２０の長手方向両側端部の一方の端部の開口から導光部材３０を差し込むことによって、照明ユニット２と導光部材３０とを連結することができる。つまり、導光部材３１は、長手方向の一対の側面の各々に、導光部材保持部２３に支持される連結部３２を備える。導光部材３０が複数の場合、照明ケース２０の長手方向両側端部の一方の端部の開口から上記した手順で順次差し込んでいけばよい。導光部材３０と照明ユニット２とが連結された状態において、レンズ部３１の反対側の端部は導光板３の発光面５と当接している。
The light guide member 30 is provided with a connecting portion 32 that is connected to the illumination unit 2 at the end opposite to the lens portion 31 (the upper end in FIG. 2). The connecting portion 32 is configured as a concave groove having a shape corresponding to the light guide member holding portion 23 of the lighting case 20, and is formed over the entire length of the light guide member 30 in the longitudinal direction. The light guide member 30 is inserted from the opening at one end of both ends in the longitudinal direction of the lighting case 20 so that the light guide member holding portion 23 of the lighting case 20 is engaged with the connecting portion 32 (concave groove). Thus, the illumination unit 2 and the light guide member 30 can be connected. In other words, the light guide member 31 includes a connecting portion 32 supported by the light guide member holding portion 23 on each of the pair of side surfaces in the longitudinal direction. When there are a plurality of light guide members 30, the light guide member 30 may be sequentially inserted from the opening at one end of both ends in the longitudinal direction of the lighting case 20 in the above-described procedure. In the state where the light guide member 30 and the illumination unit 2 are connected, the opposite end of the lens portion 31 is in contact with the light emitting surface 5 of the light guide plate 3.
上記のように、本実施形態の照明装置１は、透光性を有する材料から形成されレンズ部３１を有する導光部材３０と、光源を含む照明ユニット２とを備えている。この照明装置１は、照明ユニット２と導光部材３０とが連結した状態で構成され、建材パネル６０と建材パネル６０との間の目地５０に配設される。本実施形態では、建材パネル６０は、建材パネル面６０ａを室内側として、建物に取り付けられる。本実施形態では、照明ユニット２を建材パネル面６０ａよりも内側（室内側の反対側）に配設している。図２に示すように、照明ユニット２が、建材パネル６０の建材パネル面（第１面）６０ａよりも第２面６０ｂ側に位置する（即ち、光源を含む照明ユニット２全体を、第１の建材パネル６０Ａの第１面６０ａよりも第２面６０ｂ側、かつ、第２の建材パネル６０Ｂの第１面６０ａよりも第２面６０ｂ側の位置に配設する）ことが好ましい。そして、少なくとも導光部材３０の先端部分を建材パネル面６０ａから突出させるようにして照明装置１を目地５０に配設している。言い換えれば、導光部材３０のうちで、レンズ部３１を含む導光部材３０の一部のみが、各建材パネル６０の建材パネル面６０ａから突出している。導光部材３０の先端部分が建材パネル面６０ａから突出されていることにより、レンズ部３１は建材パネル面６０ａから突出した状態で配置される。
As described above, the lighting device 1 of the present embodiment includes the light guide member 30 that is formed of a light-transmitting material and has the lens portion 31, and the lighting unit 2 that includes a light source. The lighting device 1 is configured in a state where the lighting unit 2 and the light guide member 30 are connected to each other, and is disposed in a joint 50 between the building material panel 60 and the building material panel 60. In this embodiment, the building material panel 60 is attached to a building with the building material panel surface 60a as the indoor side. In the present embodiment, the lighting unit 2 is disposed on the inner side (opposite the indoor side) than the building material panel surface 60a. As shown in FIG. 2, the lighting unit 2 is positioned on the second surface 60b side of the building material panel surface (first surface) 60a of the building material panel 60 (that is, the entire lighting unit 2 including the light source is It is preferable that the second material 60b is disposed on the second surface 60b side of the first surface 60a of the building material panel 60A and the second surface 60b side of the second building material panel 60B. And the illuminating device 1 is arrange | positioned in the joint 50 so that the front-end | tip part of the light guide member 30 may protrude from the building material panel surface 60a. In other words, in the light guide member 30, only a part of the light guide member 30 including the lens portion 31 protrudes from the building material panel surface 60 a of each building material panel 60. Since the tip portion of the light guide member 30 protrudes from the building material panel surface 60a, the lens portion 31 is arranged in a state of protruding from the building material panel surface 60a.
照明装置１の目地５０への配設は、例えば、建材パネル６０が固着されている下地材に照明装置１の照明ケース２０の横板２２を当接させ、ネジやビスなどの固定具を下地材に向かって打ち込み、固定することによってなされる。
The lighting device 1 is disposed on the joint 50 by, for example, bringing the horizontal plate 22 of the lighting case 20 of the lighting device 1 into contact with the base material to which the building material panel 60 is fixed, and fixing a fixture such as a screw or screw. It is done by driving towards the material and fixing it.
建材パネル６０間の目地５０に配設された照明装置１の照明ユニット２は、光源ユニット１０からの光を導光板３の入光面４で受光して発光面５から出射する。照明ユニット２からの光は導光部材３０に入光され、全反射を繰り返して先端（導光部材３０の、図２における下側の端部）に到達し、レンズ部３１から外部に出射される。レンズ部３１から出射される光の一部は建材パネル６０に向かう。照射された建材パネル６０（建材パネル面６０ａ）は明るくなり、部屋全体の明るさ感を向上させることができる。本実施形態では、照明ユニット２を建材パネル面６０ａの内側に配設し、導光部材３０の一部を建材パネル面６０ａから（室内側へ）突出させるなどして建材パネル面６０ａからの照明装置１の突出量を少なくしているので、照明装置１が目立ち難くなっている。導光部材３０が透明部材で形成されている場合には、消灯時及び点灯時において目立ち難くすることが可能となるため、意匠性を向上させ、見栄えの低下を低減することができる。導光部材３０のレンズ部３１以外を、建材パネル面６０ａよりも内側に配設することもできる。この場合、照明装置１をより一層目立ち難くすることができる。
The illumination unit 2 of the illumination device 1 disposed at the joint 50 between the building material panels 60 receives light from the light source unit 10 by the light incident surface 4 of the light guide plate 3 and emits it from the light emitting surface 5. Light from the illumination unit 2 enters the light guide member 30, repeats total reflection, reaches the tip (the lower end of the light guide member 30 in FIG. 2), and is emitted to the outside from the lens unit 31. The Part of the light emitted from the lens unit 31 goes to the building material panel 60. The irradiated building material panel 60 (building material panel surface 60a) becomes bright, and the brightness feeling of the whole room can be improved. In the present embodiment, the illumination unit 2 is disposed inside the building material panel surface 60a, and a part of the light guide member 30 is projected from the building material panel surface 60a (to the indoor side), for example, to illuminate the building material panel surface 60a. Since the protruding amount of the device 1 is reduced, the lighting device 1 is difficult to stand out. When the light guide member 30 is formed of a transparent member, the light guide member 30 can be made inconspicuous at the time of extinguishing and at the time of lighting, so that the design can be improved and the deterioration of appearance can be reduced. Other than the lens part 31 of the light guide member 30, it can also be arrange | positioned inside the building material panel surface 60a. In this case, the illumination device 1 can be made even less conspicuous.
本実施形態のレンズ部３１は、図１－２に示されるように、先端側が凹状に形成されている。つまり、導光部材３０の短手方向一端部側の側面（レンズ部３１の端面）には、凹面３６が形成されている。図５に示されるように、導光部材３０において、端面への入射角が小さいと光は屈折して室内側（空気）に照射され（図５Ａ）、入射角が大きいと反射（全反射）する（図５Ｂ）。このため、図６に示されるように、導光部材３０に入光した光（導光部材３０内を伝搬する光）の一部は、先端側が凹状に形成されているレンズ部３１によって、光の反射により建材パネル６０側に照射され、図１で示される建材パネル６０の領域Ｗを明るく照らすことができる。また本実施形態の照明装置１は、レンズ部３１によって、室内側には光を広げて広範囲に照射することができる。この建材パネル６０側への照射と室内側への広範囲な照射との相乗効果により、部屋全体の明るさ感をより一層向上させることができる。
As shown in FIG. 1-2, the lens portion 31 of the present embodiment has a concave shape on the tip side. That is, the concave surface 36 is formed on the side surface (the end surface of the lens portion 31) of the light guide member 30 on one end side in the short direction. As shown in FIG. 5, in the light guide member 30, when the incident angle to the end face is small, the light is refracted and irradiated to the indoor side (air) (FIG. 5A), and reflected when the incident angle is large (total reflection). (FIG. 5B). For this reason, as shown in FIG. 6, a part of the light incident on the light guide member 30 (light propagating in the light guide member 30) is transmitted by the lens portion 31 having a concave shape on the tip side. Is reflected on the building material panel 60 side, and the area W of the building material panel 60 shown in FIG. 1 can be illuminated brightly. In addition, the illumination device 1 of the present embodiment can irradiate a wide range of light indoors by the lens unit 31. Due to the synergistic effect of the irradiation on the building material panel 60 side and the wide-range irradiation on the indoor side, the brightness of the entire room can be further improved.
図７は、図１の照明構造に用いられる導光部材の別の実施形態を示す要部拡大断面図である。図１－６に示した実施形態と同じ部分には同一の符号を付し、その説明を省略する。
FIG. 7 is an enlarged cross-sectional view of a main part showing another embodiment of the light guide member used in the illumination structure of FIG. The same parts as those in the embodiment shown in FIGS. 1-6 are denoted by the same reference numerals, and the description thereof is omitted.
本実施形態では、レンズ部３１は、先端側が凸状に形成されている。本実施形態においても、導光部材３０に入光した光は、光の反射により建材パネル６０側に照射され、室内側にも照射される。先端側が凸状に形成されているレンズ部３１によって、光がより集光される。このため、先端側が凹状に形成されているレンズ部と比べて、建材パネル６０をより強く照らすことができる。また室内をより強く照らすことができる。この相乗効果により、部屋全体の明るさ感をより一層向上させることができる。
In this embodiment, the lens part 31 is formed in a convex shape on the tip side. Also in the present embodiment, the light incident on the light guide member 30 is irradiated on the building material panel 60 side by reflection of light, and is also irradiated on the indoor side. Light is collected more by the lens part 31 having a convex tip end side. For this reason, compared with the lens part in which the front end side is formed in the concave shape, the building material panel 60 can be illuminated more strongly. Moreover, the room can be illuminated more strongly. This synergistic effect can further improve the brightness of the entire room.
図８は、本発明の照明構造の別の実施形態を示す断面図である。図１－７に示した実施形態と同じ部分には同一の符号を付し、その説明を省略する。
FIG. 8 is a cross-sectional view showing another embodiment of the illumination structure of the present invention. The same parts as those in the embodiment shown in FIGS. 1-7 are denoted by the same reference numerals, and the description thereof is omitted.
本実施形態では、レンズ部３１の先端に、レンズ部３１の幅寸法と略同一の幅寸法を有する化粧部材（カバー部材）４０が、導光部材３０の長手方向に沿って配設されている。化粧部材４０の表面側（導光部材３０とは反対側の面）は平坦面４１とされ、建材パネル６０（第１の建材パネル６０Ａ及び第２の建材パネル６０Ｂ）と略同柄に形成されている。なお、化粧部材４０の側面４５も、建材パネル６０と略同柄に形成してもよい。化粧部材４０は透光性接着剤などでレンズ部３１に固着されている。
In the present embodiment, a decorative member (cover member) 40 having a width dimension substantially the same as the width dimension of the lens part 31 is disposed at the tip of the lens part 31 along the longitudinal direction of the light guide member 30. . The surface side (surface opposite to the light guide member 30) of the decorative member 40 is a flat surface 41, and is formed in substantially the same pattern as the building material panel 60 (the first building material panel 60A and the second building material panel 60B). ing. Note that the side surface 45 of the decorative member 40 may also be formed in substantially the same pattern as the building material panel 60. The decorative member 40 is fixed to the lens unit 31 with a translucent adhesive or the like.
化粧部材４０はレンズ部３１の幅寸法と略同一の幅寸法を有するため、レンズ部３１の凹面３６の略全体を覆うことができる。化粧部材４０の見えがかり面（化粧部材４０のうちで室内から見える部分；例えば、平坦面４１のみ、又は平坦面４１及び側面４５）が周囲の建材パネル６０と略同柄であることから、照明装置１は周囲の建材パネル６０と調和が図られ、あるいは隠蔽されるなど照明装置１の存在感が低減し、目立ち難くなっている。
Since the decorative member 40 has a width dimension substantially the same as the width dimension of the lens part 31, it can cover substantially the entire concave surface 36 of the lens part 31. Since the visible surface of the decorative member 40 (the portion of the decorative member 40 that can be seen from inside the room; for example, only the flat surface 41 or the flat surface 41 and the side surface 45) is substantially the same pattern as the surrounding building material panel 60, The device 1 is less conspicuous because the presence of the lighting device 1 is reduced, such as being harmonized with or concealed with the surrounding building material panel 60.
化粧部材４０は、透光性を有する合成樹脂など透光性部材で構成され、レンズ部３１からの光が透過可能とされている。本実施形態では、レンズ部３１の先端側が凹状に形成されているので、導光部材３０に入光した光は、反射により建材パネル６０側に照射される。また、室内側には光を広げて広範囲に化粧部材４０を通して照射される。この建材パネル６０側への照射と室内側への広範囲な照射との相乗効果により、部屋全体の明るさ感をより一層向上させることができる。化粧部材４０の材料の屈折率を変えるなど材料特性を変えることで、レンズ部３１からの光の透過特性、反射特性などの光学特性を調整することができる。なお、化粧部材４０の屈折率は、レンズ部３１の屈折率よりも小さいことが好ましい。この場合、レンズ部３１内を伝搬する光の一部は、レンズ部３１と化粧部材４０との境界面において、建材パネル面６０ａ側に全反射される。
The decorative member 40 is made of a translucent member such as a synthetic resin having translucency, and allows light from the lens unit 31 to pass therethrough. In this embodiment, since the front end side of the lens part 31 is formed in a concave shape, the light incident on the light guide member 30 is irradiated to the building material panel 60 side by reflection. In addition, the indoor side is irradiated with light through a decorative member 40 over a wide area. Due to the synergistic effect of the irradiation on the building material panel 60 side and the wide-range irradiation on the indoor side, the brightness of the entire room can be further improved. By changing material characteristics such as changing the refractive index of the material of the decorative member 40, optical characteristics such as light transmission characteristics and reflection characteristics from the lens unit 31 can be adjusted. In addition, the refractive index of the decorative member 40 is preferably smaller than the refractive index of the lens unit 31. In this case, part of the light propagating through the lens unit 31 is totally reflected on the building material panel surface 60 a side at the boundary surface between the lens unit 31 and the decorative member 40.
以上の実施形態では、化粧部材４０の表面側を建材パネル６０と略同柄にしているが、建材パネル６０と略同色調、又は建材パネル６０と略同柄かつ略同色調とすることができる。例えば、化粧部材４０全体を、建材パネル６０と同色の透光性部材で形成してもよい。化粧部材４０の表面側を目地５０と略同柄及び／又は略同色調とすることもできる。いずれの場合においても、照明装置１と周囲の建材パネル６０との間、照明装置１と周囲の目地５０との間の調和が図られ、あるいは隠蔽されるなど照明装置１の存在感が低減し、目立ち難くすることができる。また、レンズ部３１の先端側が凸状に形成されている照明構造においても、化粧部材４０を適用できる。
In the above embodiment, the surface side of the decorative member 40 is substantially the same pattern as the building material panel 60, but can be substantially the same color tone as the building material panel 60, or substantially the same pattern and approximately the same color tone as the building material panel 60. . For example, you may form the whole decorative member 40 with the translucent member of the same color as the building material panel 60. FIG. The surface side of the decorative member 40 may have substantially the same pattern and / or substantially the same color tone as the joint 50. In any case, the presence of the lighting device 1 is reduced such that the lighting device 1 and the surrounding building material panel 60 are harmonized or concealed between the lighting device 1 and the surrounding joint 50. , Can be inconspicuous. The decorative member 40 can also be applied to an illumination structure in which the front end side of the lens portion 31 is formed in a convex shape.
図９は、本発明の照明構造のさらに別の実施形態を示す要部拡大断面図である。図１－８に示した実施形態と同じ部分には同一の符号を付し、その説明を省略する。
FIG. 9 is an enlarged cross-sectional view of a main part showing still another embodiment of the illumination structure of the present invention. The same parts as those in the embodiment shown in FIGS. 1-8 are denoted by the same reference numerals, and the description thereof is omitted.
図９Ａ，図９Ｂは、いずれもレンズ部３１と化粧部材４０との嵌合構造が照明装置１に付与された実施形態である。
9A and 9B are embodiments in which a fitting structure between the lens portion 31 and the decorative member 40 is provided to the lighting device 1.
図９Ａは、レンズ部３１の先端側が凹状に形成されている場合の実施形態である。
FIG. 9A shows an embodiment in which the tip side of the lens part 31 is formed in a concave shape.
化粧部材４０には、幅方向両側端部において表面側の平坦面４１に対して略垂直に立ち上がり互いに対向する一対の起立部４３が平坦面４１とは反対側に長手方向に沿って連続して形成されている。各起立部４３の先端部には、内方（対向する起立部４３に向かう方向）に突出する爪部４４が長手方向に沿って連続して形成されている。係止部４２はこの起立部４３と爪部４４とから形成されている。レンズ部３１には、先端部に、化粧部材４０の係止部４２の爪部４４に対応する形状を有する凹溝状の一対の係合部３４が長手方向に沿って連続して形成されている。
The decorative member 40 has a pair of upright portions 43 that rise substantially perpendicularly to the flat surface 41 on the surface side at both end portions in the width direction and face each other continuously along the longitudinal direction on the opposite side of the flat surface 41. Is formed. A claw portion 44 that protrudes inward (in a direction toward the facing upright portion 43) is continuously formed along the longitudinal direction at the distal end portion of each upright portion 43. The locking portion 42 is formed by the standing portion 43 and the claw portion 44. A pair of concave groove-like engaging portions 34 having a shape corresponding to the claw portion 44 of the locking portion 42 of the decorative member 40 are formed continuously at the front end portion of the lens portion 31 along the longitudinal direction. Yes.
化粧部材４０のレンズ部３１への取り付けにあたっては、例えば、以下の手順で行うことができる。まず、化粧部材４０の係止部４２がレンズ部３１に対峙するように化粧部材４０をレンズ部３１の先端側に配置する。次いで、化粧部材４０をレンズ部３１に向かって押しつけて、化粧部材４０の係止部４２の起立部４３を外方に撓ませる。化粧部材４０をさらにレンズ部３１の方に押しつけることで、係止部４２の爪部４４がレンズ部３１の係合部３４に引っ掛かって係止部４２と係合部３４とが嵌合し、化粧部材４０がレンズ部３１に取り付けられる。
The attachment of the decorative member 40 to the lens unit 31 can be performed, for example, by the following procedure. First, the decorative member 40 is disposed on the distal end side of the lens portion 31 so that the locking portion 42 of the decorative member 40 faces the lens portion 31. Next, the decorative member 40 is pressed toward the lens portion 31, and the upright portion 43 of the locking portion 42 of the decorative member 40 is bent outward. By further pressing the decorative member 40 toward the lens portion 31, the claw portion 44 of the locking portion 42 is hooked on the engaging portion 34 of the lens portion 31, and the locking portion 42 and the engaging portion 34 are fitted. The decorative member 40 is attached to the lens unit 31.
このように本実施形態の照明構造は、化粧部材４０をワンタッチでレンズ部３１に取り付けることができるなど施工性に優れる。また、レンズ部３１の先端側が凹状に形成されているので、上述した効果と同様の効果が奏され、部屋全体の明るさ感をより一層向上させることができる。なお、レンズ部３１及び化粧部材４０を、それぞれの長手方向について同一形状に形成してもよい。この場合、化粧部材４０を、レンズ部３１に対してスライドさせて取り付けることもできる。
Thus, the illumination structure of the present embodiment is excellent in workability such that the decorative member 40 can be attached to the lens unit 31 with one touch. Moreover, since the front end side of the lens part 31 is formed in the concave shape, the same effect as the effect mentioned above is show | played, and the brightness feeling of the whole room can be improved further. In addition, you may form the lens part 31 and the decorative member 40 in the same shape about each longitudinal direction. In this case, the decorative member 40 can be slid and attached to the lens unit 31.
図９Ｂは、レンズ部３１の先端側が凸状に形成されている場合の実施形態である。
FIG. 9B shows an embodiment in which the tip side of the lens part 31 is formed in a convex shape.
本実施形態においても、図９Ａと同様、化粧部材４０には起立部４３と爪部４４とからなる係止部４２が形成され、レンズ部３１には係合部３４が形成されており、化粧部材４０をワンタッチでレンズ部３１に取り付けることができるなど施工性に優れる。また、レンズ部３１の先端側が凸状に形成されているので、上述した効果と同様の効果が奏され、部屋全体の明るさ感をより一層向上させることができる。
Also in this embodiment, as in FIG. 9A, the decorative member 40 is formed with a locking portion 42 including a standing portion 43 and a claw portion 44, and the lens portion 31 is formed with an engaging portion 34. The member 40 can be attached to the lens unit 31 with a single touch, so that the workability is excellent. Moreover, since the front end side of the lens portion 31 is formed in a convex shape, the same effect as described above can be obtained, and the brightness of the entire room can be further improved.
図１０は、本発明の照明構造のさらに別の実施形態を示す要部拡大断面図である。図１－９に示した実施形態と同じ部分には同一の符号を付し、その説明を省略する。
FIG. 10 is an enlarged cross-sectional view of a main part showing still another embodiment of the illumination structure of the present invention. The same parts as those in the embodiment shown in FIGS. 1-9 are denoted by the same reference numerals, and the description thereof is omitted.
本実施形態は、その先端側が凹状に形成されているレンズ部３１と化粧部材４０との嵌合構造が照明装置１に付与された実施形態である。
The present embodiment is an embodiment in which a fitting structure between the lens portion 31 and the decorative member 40, the tip of which is formed in a concave shape, is provided to the lighting device 1.
本実施形態のレンズ部３１の先端側の凹状部３３は、先端側の開口３５が狭く形成されており、照明ユニット２側に向かって徐々に広くなり、そしてまた狭くなるなど、先端側の開口３５が内側よりも幅狭に形成されている。具体的には、凹状部３３は断面視略楕円形状に形成されている。
In the concave portion 33 on the distal end side of the lens portion 31 of the present embodiment, the opening 35 on the distal end side is formed narrow, and gradually widens toward the illumination unit 2 side and then becomes narrower. 35 is formed narrower than the inside. Specifically, the concave portion 33 is formed in a substantially elliptical shape in cross section.
化粧部材４０は、レンズ部３１側に、レンズ部３１の凹状部３３の形状に対応する形状の係止部４２が形成されている。具体的には、係止部４２は断面視略楕円形状を有している。また、中空形状を有している。このような係止部４２は、透光性を有しエラストマー樹脂などの軟質材で構成され、外力によって変形可能に形成されている。化粧部材４０全体をこのような透光性を有する軟質材で構成することもできる。
The decorative member 40 is provided with a locking portion 42 having a shape corresponding to the shape of the concave portion 33 of the lens portion 31 on the lens portion 31 side. Specifically, the locking portion 42 has a substantially elliptical shape in cross section. Moreover, it has a hollow shape. Such a locking portion 42 is made of a soft material such as an elastomer resin having translucency, and is formed to be deformable by an external force. The whole decorative member 40 can also be comprised with such a soft material which has translucency.
化粧部材４０のレンズ部３１への取り付けにあたっては、化粧部材４０をレンズ部３１の先端側から押しつけて、化粧部材４０の係止部４２をレンズ部３１の凹状部３３に押し込めばよい。化粧部材４０のレンズ部３１への押しつけによって係止部４２はレンズ部３１の凹状部３３の先端側の幅狭の開口３５周縁と当接して外力が加えられて変形する。変形した係止部４２はレンズ部３１の凹状部３３の先端側の幅狭の開口３５を通過する。幅狭の開口３５を通過した係止部４２は、外力から解放され、レンズ部３１の凹状部３３の形状に対応する形状に復元する。この状態で化粧部材４０の係止部４２はレンズ部３１の凹状部３３と嵌合し、化粧部材４０がレンズ部３１に取り付けられる。
In attaching the decorative member 40 to the lens portion 31, the decorative member 40 may be pressed from the front end side of the lens portion 31 and the engaging portion 42 of the decorative member 40 may be pressed into the concave portion 33 of the lens portion 31. When the decorative member 40 is pressed against the lens portion 31, the locking portion 42 comes into contact with the periphery of the narrow opening 35 on the distal end side of the concave portion 33 of the lens portion 31 and is deformed by an external force. The deformed locking portion 42 passes through the narrow opening 35 on the distal end side of the concave portion 33 of the lens portion 31. The locking portion 42 that has passed through the narrow opening 35 is released from the external force and restored to a shape corresponding to the shape of the concave portion 33 of the lens portion 31. In this state, the engaging portion 42 of the decorative member 40 is fitted with the concave portion 33 of the lens portion 31, and the decorative member 40 is attached to the lens portion 31.
このように本実施形態の照明構造は、化粧部材４０をワンタッチでレンズ部３１に取り付けることができるなど施工性に優れる。また、レンズ部３１の先端側が凹状に形成されているので、上述した効果と同様の効果が奏される。すなわち、導光部材３０に入光した光は、反射により建材パネル６０側に照射され、室内側には光を広げて広範囲に化粧部材４０を通して照射され、部屋全体の明るさ感をより一層向上させることができる。
Thus, the illumination structure of the present embodiment is excellent in workability such that the decorative member 40 can be attached to the lens unit 31 with one touch. Moreover, since the front end side of the lens part 31 is formed in a concave shape, the same effect as described above is achieved. That is, the light incident on the light guide member 30 is reflected to the building material panel 60 side by reflection, spreads the light on the indoor side, and is irradiated through the decorative member 40 over a wide area, further improving the sense of brightness of the entire room. Can be made.
以上、実施形態に基づき本発明を説明したが、本発明は上記の実施形態に何ら限定されるものではなく、その要旨を逸脱しない範囲内において各種の変更が可能である。例えば、照明装置の照明ユニットにおいて導光板を配設せず導光部材の上側に多数の光源ユニットを長手方向に並べて光源ユニットから直接導光部材に照射するように構成することもできる。また、天井の建材パネル間の目地に限らず、壁の建材パネル間の目地に照明装置を配設することもできる。
As mentioned above, although this invention was demonstrated based on embodiment, this invention is not limited to said embodiment at all, and various changes are possible within the range which does not deviate from the summary. For example, a light guide plate may not be provided in the illumination unit of the illumination device, and a large number of light source units may be arranged in the longitudinal direction above the light guide member so that the light guide member is directly irradiated from the light source unit. In addition, the lighting device can be disposed not only at the joint between the building material panels on the ceiling but also at the joint between the building material panels on the wall.
Claims (12)
- 各々が第１面及び当該第１面とは反対側の面である第２面を有し、前記第１面同士が同じ向きを向くように配置された、第１の建材パネル及び第２の建材パネルの、間の目地に、照明装置が配設されている照明構造において、
前記照明装置は長尺状であって、この照明装置は、光源を含む照明ユニットとレンズ部とを有し、
前記レンズ部は、前記第１の建材パネルの前記第１面及び前記第２の建材パネルの前記第１面から突出するように前記目地に沿って形成され、前記光源からの光の一部を反射によって前記第１及び／又は前記第２の建材パネル側に照射するよう構成されていることを特徴とする照明構造。 Each of the first building material panel and the second panel has a first surface and a second surface that is a surface opposite to the first surface, and is disposed so that the first surfaces face the same direction. In the lighting structure where the lighting device is arranged at the joint between the building material panels,
The illumination device is elongated, and the illumination device includes an illumination unit including a light source and a lens unit.
The lens portion is formed along the joint so as to protrude from the first surface of the first building material panel and the first surface of the second building material panel, and a part of the light from the light source. An illumination structure configured to irradiate the first and / or second building material panel side by reflection. - 前記照明装置は、前記光源を含む前記照明ユニットと、透光性を有する材料から長尺状に形成されその短手方向の一端部に前記レンズ部が形成された導光部材とを備え、
前記照明ユニットは、前記第１の建材パネルの前記第１面よりも前記第２面側かつ前記第２の建材パネルの前記第１面よりも前記第２面側の位置に、配設されていることを特徴とする請求項１に記載の照明構造。 The illumination device includes the illumination unit including the light source, and a light guide member that is formed in a long shape from a light-transmitting material and has the lens portion formed at one end in a short direction thereof.
The lighting unit is disposed at a position closer to the second surface than the first surface of the first building material panel and closer to the second surface than the first surface of the second building material panel. The lighting structure according to claim 1, wherein: - 前記レンズ部は、先端側が凹状に形成されていることを特徴とする請求項１又は２に記載の照明構造。 The illumination structure according to claim 1 or 2, wherein the lens part is formed in a concave shape on the tip side.
- 前記レンズ部は、先端側が凸状に形成されていることを特徴とする請求項１又は２に記載の照明構造。 The illumination structure according to claim 1 or 2, wherein the lens portion is formed in a convex shape on the tip side.
- 前記レンズ部の先端にカバー部材が配設され、このカバー部材の表面側が、前記第１及び／又は第２の建材パネルと略同柄及び／又は略同色調、又は、前記目地と略同柄及び／又は略同色調であることを特徴とする請求項１から４のいずれか一項に記載の照明構造。 A cover member is disposed at the tip of the lens portion, and the surface side of the cover member is substantially the same pattern and / or the same color tone as the first and / or second building material panel, or the same pattern as the joint. The illumination structure according to claim 1, wherein the illumination structure has substantially the same color tone.
- 前記カバー部材は、その幅寸法が前記レンズ部の幅寸法と略同一であることを特徴とする請求項５に記載の照明構造。 The illumination structure according to claim 5, wherein the cover member has a width dimension substantially the same as a width dimension of the lens portion.
- 前記カバー部材は、幅方向両側端部に、互いに対向する一対の係止部が形成され、前記レンズ部には、前記カバー部材の前記係止部と嵌合する係合部が形成されていることを特徴とする請求項５又は６に記載の照明構造。 The cover member has a pair of engaging portions facing each other at both ends in the width direction, and the lens portion has an engaging portion that fits with the engaging portion of the cover member. The illumination structure according to claim 5 or 6, wherein
- 前記レンズ部は、先端側が凹状に形成されており、前記カバー部材は、前記レンズ部の先端側に形成されている凹状部に嵌合する係止部が形成されていることを特徴とする請求項５又は６に記載の照明構造。 The lens part is formed in a concave shape on the tip side, and the cover member is formed with a locking part that fits into a concave part formed on the tip side of the lens part. Item 7. An illumination structure according to Item 5 or 6.
- 前記レンズ部は、前記照明装置の長手方向に沿って形成されていることを特徴とする請求項１に記載の照明構造。 The illumination structure according to claim 1, wherein the lens unit is formed along a longitudinal direction of the illumination device.
- 前記照明ユニットは、前記光源を含む光源ユニットと、前記光源ユニットを内部に収納する長尺の照明ケースとを備え、
前記照明ケースは、互いに対向する一対の側板の各々に、長手方向に沿って延設された第１の保持部を備え、
前記導光部材は、長手方向の一対の側面の各々に、前記第１の保持部に支持される連結部を備えることを特徴とする請求項２に記載の照明構造。 The illumination unit includes a light source unit including the light source, and a long illumination case that houses the light source unit therein.
The lighting case includes a first holding portion extending along the longitudinal direction on each of a pair of side plates facing each other,
The lighting structure according to claim 2, wherein the light guide member includes a connection portion supported by the first holding portion on each of the pair of side surfaces in the longitudinal direction. - 前記照明ユニットは、長尺状であって長手方向の一端面に入光面を有するとともに長手方向の一側面に発光面を有する導光板をさらに備え、
前記照明ケースは、前記導光板及び前記光源ユニットを内部に収納するよう構成され、
前記光源ユニットは、前記導光板の前記入光面に対向して配置され、
前記照明ケースは、前記第１の保持部が設けられた前記一対の側板の各々に、長手方向に沿って延設された第２の保持部を備え、
前記導光板は、長手方向の側面のうちで前記発光面に隣接する一対の側面の各々に、前記第２の保持部に支持される突起部を備えることを特徴とする請求項１０に記載の照明構造。 The illumination unit further includes a light guide plate that is elongated and has a light incident surface on one end surface in the longitudinal direction and a light emitting surface on one side surface in the longitudinal direction,
The lighting case is configured to house the light guide plate and the light source unit inside,
The light source unit is disposed to face the light incident surface of the light guide plate,
The lighting case includes a second holding part extending along the longitudinal direction on each of the pair of side plates provided with the first holding part,
The said light guide plate is provided with the projection part supported by the said 2nd holding part in each of a pair of side surface adjacent to the said light emission surface among the side surfaces of a longitudinal direction. Lighting structure. - 前記導光板は楔形に形成され、前記導光板の発光面における入光面側の端部に、段部が形成されていることを特徴とする請求項１１に記載の照明構造。 The illumination structure according to claim 11, wherein the light guide plate is formed in a wedge shape, and a step portion is formed at an end of the light emitting surface of the light guide plate on a light incident surface side.
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| JP2011137402A JP5547691B2 (en) | 2011-06-21 | 2011-06-21 | Lighting structure |
| JP2011-137402 | 2011-06-21 |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2013004463A (en) | 2013-01-07 |
| JP5547691B2 (en) | 2014-07-16 |
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