JP5760177B2 - lighting equipment - Google Patents

lighting equipment Download PDF

Info

Publication number
JP5760177B2
JP5760177B2 JP2011111761A JP2011111761A JP5760177B2 JP 5760177 B2 JP5760177 B2 JP 5760177B2 JP 2011111761 A JP2011111761 A JP 2011111761A JP 2011111761 A JP2011111761 A JP 2011111761A JP 5760177 B2 JP5760177 B2 JP 5760177B2
Authority
JP
Japan
Prior art keywords
light emitting
light
emitting diode
incident
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2011111761A
Other languages
Japanese (ja)
Other versions
JP2012243528A (en
Inventor
孝 浅沼
孝 浅沼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Priority to JP2011111761A priority Critical patent/JP5760177B2/en
Publication of JP2012243528A publication Critical patent/JP2012243528A/en
Application granted granted Critical
Publication of JP5760177B2 publication Critical patent/JP5760177B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

本発明は、照明器具に関するものである。   The present invention relates to a lighting fixture.

従来から、器具本体と、直線状に並べて器具本体に固定された複数個の発光ダイオードと、透光性を有する材料からなり器具本体とともに各発光ダイオードを覆う形で器具本体に固定されて各発光ダイオードの光を配光する配光体とを備える照明器具が提供されている（例えば、特許文献１参照）。   Conventionally, an instrument body, a plurality of light emitting diodes arranged in a straight line and fixed to the instrument body, and a light emitting material that is made of a light-transmitting material and is fixed to the instrument body so as to cover each light emitting diode together with the instrument body. There has been provided a lighting fixture including a light distribution body that distributes light of a diode (see, for example, Patent Document 1).

特開２００８−２１８１８６号公報JP 2008-218186 A

しかしながら、配光体において発光ダイオードの直射光が入射する入射面が、発光ダイオードが並ぶ方向に平行な１個の平面であった場合、上記の直射光の入射角が大きくなる位置ほど、上記の入射面における反射率が高くなるから、全体として光の利用効率が低くなってしまう。例えば、空気（屈折率１．０）中からアクリル樹脂（屈折率１．４９）への入射の場合、入射角と反射率との関係は図４に示すようなものとなる。   However, when the incident surface on which the direct light of the light emitting diode is incident in the light distribution body is a single plane parallel to the direction in which the light emitting diodes are arranged, the position where the incident angle of the direct light becomes larger Since the reflectance at the incident surface increases, the light utilization efficiency as a whole decreases. For example, in the case of incidence on the acrylic resin (refractive index 1.49) from the air (refractive index 1.0), the relationship between the incident angle and the reflectance is as shown in FIG.

照明器具の全高（すなわち、上記平面に直交する方向での寸法）をできるだけ低く抑え、なお且つ、発光ダイオードから出る光をできるだけ効率よく利用するためには、配光体の幅（すなわち、発光ダイオードが並ぶ方向に直交し且つ上記平面に平行な方向での寸法）を大きくする必要が生じ、上記の傾向が更に顕著となる。   In order to keep the overall height of the lighting fixture (that is, the dimension in the direction perpendicular to the plane) as low as possible and to use the light emitted from the light emitting diode as efficiently as possible, the width of the light distribution body (that is, the light emitting diode). It is necessary to increase the dimension in a direction perpendicular to the direction in which they are arranged and parallel to the plane, and the above tendency becomes more remarkable.

本発明は、上記事由に鑑みて為されたものであり、その目的は、光の利用効率が向上する照明器具を提供することにある。   This invention is made | formed in view of the said reason, The objective is to provide the lighting fixture which the utilization efficiency of light improves.

本発明の照明器具は、器具本体と、直線状の配置で前記器具本体に固定された複数個の発光ダイオードと、透光性を有する材料からなり、前記器具本体とともに各前記発光ダイオードを覆う形で前記器具本体に固定され、各前記発光ダイオードの光を配光する配光体とを備え、前記配光体において、前記発光ダイオードに向けられた面の少なくとも一部は、前記発光ダイオードの直射光が入射する入射面と、いずれかの前記入射面との間に溝を形成する向きであって前記発光ダイオードの直射光が入射しない非入射面とが、前記発光ダイオードが並ぶ方向に直交する方向に交互に並んで構成された凹型のリニアフレネルレンズ面となっていて、各前記非入射面は、それぞれ、延長された場合に各前記発光ダイオードを通る平面であることを特徴とする。 The lighting fixture of the present invention comprises a fixture body, a plurality of light emitting diodes fixed to the fixture body in a linear arrangement, and a light-transmitting material, and covers each of the light emitting diodes together with the fixture body. And a light distribution body that distributes light of each light emitting diode, wherein at least a part of the surface directed to the light emitting diode is directly irradiated by the light emitting diode. An incident surface on which light is incident and a non-incident surface in which a direct light of the light emitting diode is not incident are perpendicular to the direction in which the light emitting diodes are arranged, in a direction in which a groove is formed between any of the incident surfaces direction have a concave linear Fresnel lens face made up of alternately arranged, especially that each said non-incident surface, respectively, a plane passing through the respective light emitting diode when it is extended To.

上記の照明器具において、前記配光体は、全ての前記発光ダイオードを含む所定の対称面に関して対称な形状であって、前記器具本体は、固定される際に固定の対象に接触する平面である固定面を有し、前記対称面と前記固定面とのなす角が０°より大きく且つ９０°未満であってもよい。   In the above-mentioned lighting fixture, the light distribution body has a symmetrical shape with respect to a predetermined symmetry plane including all the light emitting diodes, and the fixture body is a plane that comes into contact with an object to be fixed when fixed. There may be a fixed surface, and an angle formed by the symmetry surface and the fixed surface may be greater than 0 ° and less than 90 °.

また、上記の照明器具において、前記発光ダイオードの光のうち前記入射面に入射しない向きの光を前記配光体に反射する反射板を備えることが望ましい。   Moreover, in the above-described lighting fixture, it is desirable to include a reflector that reflects the light of the light emitting diode in a direction not incident on the incident surface to the light distribution body.

本発明によれば、配光体において発光ダイオードに向けられる面が平面とされる場合に比べ、発光ダイオードの直射光が配光体に対して入射する際の反射が抑えられて光の利用効率が向上する。   According to the present invention, compared with the case where the surface directed to the light emitting diode in the light distribution body is a flat surface, reflection when the direct light of the light emitting diode is incident on the light distribution body is suppressed, and the light utilization efficiency is reduced. Will improve.

本発明の実施形態を示す断面図である。It is sectional drawing which shows embodiment of this invention. 同上の使用形態の一例を示す説明図である。It is explanatory drawing which shows an example of the usage pattern same as the above. 同上の変更例の要部を示す断面図である。It is sectional drawing which shows the principal part of the example of a change same as the above. 空気からアクリル樹脂に入射する光の入射角と反射率との関係を示す説明図である。It is explanatory drawing which shows the relationship between the incident angle of the light which injects into an acrylic resin from air, and a reflectance.

以下、本発明を実施するための最良の形態について、図面を参照しながら説明する。   The best mode for carrying out the present invention will be described below with reference to the drawings.

本実施形態は、図１に示すように、器具本体１と、直線状に並べて器具本体１に固定された複数個の発光ダイオード２と、透光性を有する材料からなり各発光ダイオード２の光を配光する配光体３とを備える。発光ダイオード２が並ぶ方向は、図１の紙面に直交する方向である。また、配光体３は、器具本体１とともに各発光ダイオード２を覆う形で器具本体１に固定されている。   In the present embodiment, as shown in FIG. 1, an instrument main body 1, a plurality of light emitting diodes 2 arranged in a straight line and fixed to the instrument main body 1, and a light transmitting material made of a light-transmitting material. And a light distribution body 3 for distributing light. The direction in which the light emitting diodes 2 are arranged is a direction orthogonal to the paper surface of FIG. The light distribution body 3 is fixed to the instrument body 1 so as to cover each light emitting diode 2 together with the instrument body 1.

以下、上下左右は図１を基準とし、図１の紙面に直交する方向（すなわち発光ダイオード２が並ぶ方向）を前後方向と呼ぶ。   Hereinafter, the top, bottom, left, and right are based on FIG. 1, and the direction orthogonal to the paper surface of FIG.

器具本体１は、各発光ダイオード２がそれぞれ実装されたプリント配線板４と、扁平な形状であって一方の面にプリント配線板４が固定されたベース５と、ベース５の他方の面に固定される取付台６とを備える。各発光ダイオード２は、それぞれ、プリント配線板４に設けられた導電パターン（図示せず）と電線８とを介して外部の駆動回路（図示せず）に接続される。電線８とプリント配線板４との接続、並びに、電線８と上記の駆動回路との接続には、それぞれ例えば適宜のコネクタ８１，８２を用いることができる。   The instrument body 1 is fixed to a printed wiring board 4 on which each light emitting diode 2 is mounted, a base 5 having a flat shape and having the printed wiring board 4 fixed on one surface, and the other surface of the base 5. The mounting base 6 is provided. Each light emitting diode 2 is connected to an external drive circuit (not shown) through a conductive pattern (not shown) provided on the printed wiring board 4 and an electric wire 8. For example, appropriate connectors 81 and 82 can be used for the connection between the electric wire 8 and the printed wiring board 4 and the connection between the electric wire 8 and the drive circuit, respectively.

ベース５と取付台６との材料にはそれぞれ例えば金属を用いることができる。また、プリント配線板４とベース５と取付台６と固定対象９１とを相互に固定する手段としては、例えばねじ止めを用いることができる。   For example, a metal can be used for the material of the base 5 and the mounting base 6. Further, as means for fixing the printed wiring board 4, the base 5, the mounting base 6, and the fixing object 91 to each other, for example, screwing can be used.

取付台６は、本実施形態が固定される際にその固定の対象（以下、「固定対象」と呼ぶ。）９１に対して接触するものである。固定対象９１は例えば図２に示すような冷蔵ショーケース９の上部の内面側である。取付台６は、厚さ方向の一面にベース５が固定される本体部６１と、本体部６１の左右両側にそれぞれ設けられて厚さ方向の一面を固定対象９１に向けて固定対象９１に固定される固定部６２とを有する。つまり、固定部６２の上面が、固定対象９１に接触する固定面である。ここで、右側の固定部６２は本体部６１の右端に連続する一方で、左側の固定部６２と本体部６１の左端との間には、本体部６１から上方に突設された脚部６３が介在している。これにより、本体部６１の下面は上記の固定面に対して傾斜しており、各固定部６２がそれぞれ水平面に固定された場合には本体部６１の下面は水平面に対して傾斜する。上記傾斜の角度は０°より大きく且つ９０°より小さい角度（例えば２０°）とされる。 The mounting base 6 comes into contact with a fixing target 91 (hereinafter referred to as “fixed target”) 91 when the present embodiment is fixed. The fixing object 91 is, for example, the upper inner surface side of the refrigerated showcase 9 as shown in FIG. The mounting base 6 is provided on the left and right sides of the main body 61 with the base 5 fixed to one surface in the thickness direction, and is fixed to the fixing target 91 with the one surface in the thickness direction facing the fixing target 91. And a fixed portion 62. That is, the upper surface of the fixed portion 6 2 is a fixed surface in contact with the stationary target 91. Here, the right fixing portion 62 is continuous with the right end of the main body portion 61, while the leg portion 63 that protrudes upward from the main body portion 61 between the left fixing portion 62 and the left end of the main body portion 61. Is intervening. Thereby, the lower surface of the main body 61 is inclined with respect to the above-described fixing surface, and when each fixing portion 62 is fixed to a horizontal plane, the lower surface of the main body 61 is inclined with respect to the horizontal plane. The inclination angle is greater than 0 ° and smaller than 90 ° (for example, 20 °).

配光体３の材料としては例えばアクリル樹脂やポリカーボネート樹脂を用いることができる。   As the material of the light distribution body 3, for example, an acrylic resin or a polycarbonate resin can be used.

配光体３は、全ての発光ダイオード２を通る所定の対称面３０に関して対称であり、且つ、発光ダイオード２が並ぶ方向に関して並進対称性を有する形状である。また、配光体３は、全体として上下に扁平であって前後に長い本体部３１と、本体部３１の左右両端からそれぞれ上方に突設された連結部３２とを有する。ベース５の左右両端には取付台６の下面との間に溝を構成する凹部５１が設けられており、連結部３２が左右方向においてベース５を挟むとともに各連結部３２の先端がそれぞれ上記の凹部５１に係入することで、配光体３は器具本体１に対して固定される。すなわち、配光体３はベース５とともに、前後両端がそれぞれ開口した筒形状を構成する。また、器具本体１は、ベース５に結合して上記開口を閉塞する２個のカバー（図示せず）を備える。カバーをベース５に結合させる手段としては凹凸係合や嵌合やねじ止めなど適宜の手段を用いることができる。   The light distribution body 3 is symmetric with respect to a predetermined symmetry plane 30 passing through all the light emitting diodes 2 and has a shape having translational symmetry with respect to the direction in which the light emitting diodes 2 are arranged. The light distribution body 3 includes a main body portion 31 that is flat as a whole and is long in the front and rear directions, and a connection portion 32 that protrudes upward from the left and right ends of the main body portion 31. Concave portions 51 forming grooves are formed between the left and right ends of the base 5 and the lower surface of the mounting base 6, and the connecting portions 32 sandwich the base 5 in the left and right directions and the tips of the connecting portions 32 are respectively By engaging with the recess 51, the light distribution body 3 is fixed to the instrument body 1. That is, the light distribution body 3 and the base 5 form a cylindrical shape with both front and rear ends opened. The instrument body 1 includes two covers (not shown) that are coupled to the base 5 and close the opening. As means for coupling the cover to the base 5, appropriate means such as uneven engagement, fitting, and screwing can be used.

以下、本発明の特徴部分に関わる、配光体３の本体部３１の形状を説明する。配光体３の本体部３１において、器具本体１や発光ダイオード２に向けられる面である上面は、発光ダイオード２の直射光が所定の限度角未満の入射角で入射する入射面３３と、発光ダイオード２の直射光が入射しない非入射面３４とが、左右方向（すなわち、発光ダイオード２が並ぶ方向に直交する方向）に交互に並んで構成されている。各非入射面３４と隣り合う入射面３３との間には、それぞれ前後方向に延びたＶ字溝が形成されている。すなわち、配光体３の本体部３１の上面は、全体として、凹型のリニアフレネルレンズ面となっている。上記の限度角は、なるべく小さくされることが望ましい。例えば、入射角と反射率との関係が図４のようになるアクリル樹脂（屈折率１．４９）が配光体３の材料として用いられる場合、上記の限度角を４５°とすれば、図１の面に平行な方向（すなわち、発光ダイオード２の並ぶ方向に直交する方向）に出射した直射光が配光体３に入射する際の反射率を５％未満とすることができる。当然、入射角と反射率との関係は配光体３の屈折率によって異なるから、限度角の決定に当たっては配光体３の屈折率を考慮する必要がある。   Hereinafter, the shape of the main body 31 of the light distribution body 3 related to the characteristic part of the present invention will be described. In the main body 31 of the light distribution body 3, the upper surface, which is a surface directed toward the instrument main body 1 and the light emitting diode 2, emits light incident on the incident surface 33 where the direct light of the light emitting diode 2 is incident at an incident angle less than a predetermined limit angle. The non-incidence surfaces 34 on which the direct light of the diode 2 is not incident are alternately arranged in the left-right direction (that is, the direction orthogonal to the direction in which the light-emitting diodes 2 are arranged). A V-shaped groove extending in the front-rear direction is formed between each non-incident surface 34 and the adjacent incident surface 33. That is, the upper surface of the main body 31 of the light distribution body 3 is a concave linear Fresnel lens surface as a whole. It is desirable to make the limit angle as small as possible. For example, when an acrylic resin (refractive index: 1.49) having a relationship between the incident angle and the reflectance as shown in FIG. 4 is used as the material of the light distribution body 3, if the above limit angle is 45 °, FIG. The reflectance when direct light emitted in a direction parallel to the surface of 1 (that is, a direction orthogonal to the direction in which the light emitting diodes 2 are arranged) enters the light distribution body 3 can be less than 5%. Of course, since the relationship between the incident angle and the reflectance varies depending on the refractive index of the light distribution body 3, it is necessary to consider the refractive index of the light distribution body 3 in determining the limit angle.

各非入射面３４は、それぞれ、延長された場合に各発光ダイオード２を通る平面である。なお、各非入射面３４が対称面３０に対してなす角を本実施形態よりも小さくした場合であっても各非入射面３４には発光ダイオード２の直射光が入射しないが、非入射面３４からの光の出射によるロスを抑えるためには各非入射面３４の向きは本実施形態のようにすることが望ましい。   Each non-incident surface 34 is a plane that passes through each light emitting diode 2 when extended. Even when the angle formed by each non-incident surface 34 with respect to the symmetry plane 30 is smaller than that of the present embodiment, the direct light from the light emitting diode 2 is not incident on each non-incident surface 34. In order to suppress the loss due to the emission of light from 34, it is desirable that the direction of each non-incident surface 34 be as in this embodiment.

また、各入射面３３は、それぞれ、発光ダイオード２が並ぶ方向に直交し且ついずれかの発光ダイオード２を通る断面において、発光ダイオード２を通るいずれの直線についても限度角以上の角度で交わる（つまり垂線が上記直線となす角が限度角未満となる）ような向きとされている。入射面３３のうち、発光ダイオード２の直下に位置する中央の入射面３３は溝状であって、底面が対称面３０に直交する平面となっている。また、その他の入射面３３は、左右方向の外側に向かって配光体３の厚さ方向を大きくするような傾斜面となっている。   In addition, each incident surface 33 intersects at any angle equal to or greater than the limit angle with respect to any straight line passing through the light emitting diodes 2 in a cross section orthogonal to the direction in which the light emitting diodes 2 are arranged and passing through the light emitting diodes 2. The angle formed by the perpendicular to the straight line is less than the limit angle). Among the incident surfaces 33, the central incident surface 33 located immediately below the light emitting diode 2 has a groove shape, and the bottom surface is a plane orthogonal to the symmetry plane 30. Further, the other incident surface 33 is an inclined surface that increases the thickness direction of the light distribution body 3 toward the outer side in the left-right direction.

さらに、配光体３の本体部３１において、発光ダイオード２の光が主に出射する下面は、左右方向の中央部（例えば発光ダイオード２から見て対称面３０となす角が４０°以下となる範囲）が凸型のリニアフレネルレンズ面とされ、左右方向の両端部（例えば発光ダイオード２から見て対称面３０となす角が４０°以上８５°未満の範囲）がそれぞれ凹型のリニアフレネルレンズ面とされており、上記の各リニアフレネルレンズ面はそれぞれ対称面３０を光軸面としている。すならち、配光体３の本体部３１において下面が凸型のリニアフレネルレンズ面となっている部位からは光が対称面３０に平行に出射し、下面が凹型のリニアフレネルレンズ面となっている部位からは光が左右方向の外向きに出射するように設計されている。   Further, in the main body portion 31 of the light distribution body 3, the lower surface from which the light of the light emitting diode 2 mainly emits has an angle with the central portion in the left-right direction (for example, the angle formed with the symmetry plane 30 when viewed from the light emitting diode 2 is 40 ° or less. Range) is a convex linear Fresnel lens surface, and both end portions in the left-right direction (for example, a range in which the angle formed with the symmetric surface 30 when viewed from the light emitting diode 2 is 40 ° or more and less than 85 °) are concave. Each of the linear Fresnel lens surfaces described above has the symmetry plane 30 as the optical axis surface. In other words, light is emitted from the portion of the main body 31 of the light distribution body 3 whose bottom surface is a convex linear Fresnel lens surface in parallel to the symmetry plane 30, and the bottom surface is a concave linear Fresnel lens surface. It is designed so that light is emitted outward from the left and right directions.

本実施形態では、対称面３０は取付台６の本体部６１の上下の面に直交しているが、取付台６の本体部６１は各固定部６２に対して傾斜しているから、対称面３０は固定面の垂線に対して傾斜している。従って、図２のように、固定対象９１が、冷蔵ショーケース９の下向きの内面である場合、対称面３０が冷蔵ショーケース９の奥側（図２での右側）へ傾斜する向きとすれば、対称面３０が固定面に垂直とされる場合に比べて冷蔵ショーケース９の外側（図２での左側）に漏れる光が少なくなって光の利用効率が向上する。ここで、配光体３が設けられない場合、冷蔵ショーケース９において、発光ダイオード２に近い上側の段と、発光ダイオード２から離れた下側の段との間での、照度の差が大きくなりやすい。これに対し、本実施形態では、配光体３の下面中央部の凸型のリニアフレネルレンズ面により対称面３０上での光度を比較的に高くしているから、対称面３０を冷蔵ショーケース９の最下段に向ければ、配光体３が設けられない場合に比べ、上記のような照度の差を抑えることができる。なお、固定部６２に対する本体部６１の傾斜角や、配光体３の本体部３１の下面の形状は、想定される使用形態に応じて適宜変更することができる。   In the present embodiment, the symmetry plane 30 is orthogonal to the upper and lower surfaces of the main body 61 of the mounting base 6, but the main body 61 of the mounting base 6 is inclined with respect to each fixed part 62, so 30 is inclined with respect to the normal of the fixed surface. Therefore, as shown in FIG. 2, when the fixed object 91 is the downward inner surface of the refrigerated showcase 9, the symmetry plane 30 is inclined to the back side (right side in FIG. 2) of the refrigerated showcase 9. Compared with the case where the symmetry plane 30 is perpendicular to the fixed plane, the light leaking to the outside of the refrigerated showcase 9 (left side in FIG. 2) is reduced, and the light utilization efficiency is improved. Here, when the light distribution body 3 is not provided, in the refrigerated showcase 9, there is a large difference in illuminance between the upper stage near the light emitting diode 2 and the lower stage far from the light emitting diode 2. Prone. On the other hand, in this embodiment, since the luminous intensity on the symmetry plane 30 is made relatively high by the convex linear Fresnel lens surface at the center of the lower surface of the light distribution body 3, the symmetry plane 30 is refrigerated. If it goes to the lowest stage of 9, compared with the case where the light distribution body 3 is not provided, the above illuminance differences can be suppressed. In addition, the inclination angle of the main body 61 with respect to the fixed portion 62 and the shape of the lower surface of the main body 31 of the light distribution body 3 can be appropriately changed according to the assumed usage pattern.

上記構成によれば、配光体３において発光ダイオード２に向けられる面が平面とされる場合に比べ、発光ダイオード２の直射光が配光体３に対して入射する際の反射が抑えられて光の利用効率が向上する。   According to the above configuration, the reflection when the direct light of the light emitting diode 2 enters the light distributing body 3 is suppressed as compared with the case where the surface directed to the light emitting diode 2 in the light distributing body 3 is a flat surface. Light utilization efficiency is improved.

さらに、図３に示すように、発光ダイオード２の光のうち入射面３３に入射しない向きの光を配光体３へ反射する反射板７を設ければ、光の利用効率をさらに向上させることができる。図３の例では、配光体３の各連結部３２の外面側にそれぞれ１個ずつの反射板７が配置されている。また、配光体３の各連結部３２には、それぞれ、反射板７の下端部が挿入される保持溝３２１と、反射板７の上端部が挿入される保持溝３２２とが設けられており、反射板７の上下の両端部はそれぞれ前後方向から保持溝３２１，３２２に導入される。そして、配光体３から左右方向への反射板７の脱落は保持溝３２１，３２２の内面により阻止される。また、配光体３から前後方向への反射板７の脱落は、ベース５の前後両端に取り付けられるカバーによって阻止される。 Furthermore, as shown in FIG. 3, if a reflection plate 7 that reflects the light of the light emitting diode 2 that does not enter the incident surface 33 to the light distribution body 3 is provided, the light use efficiency can be further improved. Can do. In the example of FIG. 3, one reflecting plate 7 is disposed on the outer surface side of each connecting portion 32 of the light distribution body 3. Each connecting portion 32 of the light distribution body 3 is provided with a holding groove 321 into which the lower end portion of the reflecting plate 7 is inserted and a holding groove 322 into which the upper end portion of the reflecting plate 7 is inserted. The upper and lower ends of the reflecting plate 7 are introduced into the holding grooves 321 and 322 from the front and rear directions, respectively. Then, the falling off of the reflecting plate 7 from the light distribution body 3 in the left-right direction is prevented by the inner surfaces of the holding grooves 321 and 322. Further, the falling off of the reflection plate 7 from the light distribution body 3 in the front-rear direction is prevented by covers attached to the front and rear ends of the base 5.

１ 器具本体
２ 発光ダイオード
３ 配光体
３３ 入射面
３４ 非入射面
９１ 固定対象 DESCRIPTION OF SYMBOLS 1 Instrument body 2 Light emitting diode 3 Light distribution body 33 Incident surface 34 Non-incident surface 91 Fixed object

Claims (3)

器具本体と、
直線状の配置で前記器具本体に固定された複数個の発光ダイオードと、
透光性を有する材料からなり、前記器具本体とともに各前記発光ダイオードを覆う形で前記器具本体に固定され、各前記発光ダイオードの光を配光する配光体とを備え、
前記配光体において、前記発光ダイオードに向けられた面の少なくとも一部は、前記発光ダイオードの直射光が入射する入射面と、いずれかの前記入射面との間に溝を形成する向きであって前記発光ダイオードの直射光が入射しない非入射面とが、前記発光ダイオードが並ぶ方向に直交する方向に交互に並んで構成された凹型のリニアフレネルレンズ面となっていて、
各前記非入射面は、それぞれ、延長された場合に各前記発光ダイオードを通る平面であることを特徴とする照明器具。 An instrument body;
A plurality of light emitting diodes fixed to the instrument body in a linear arrangement;
It is made of a material having translucency, and is fixed to the instrument main body so as to cover each light emitting diode together with the instrument main body, and includes a light distribution body that distributes light of each light emitting diode,
In the light distribution body, at least a part of the surface directed to the light emitting diode has a direction in which a groove is formed between an incident surface on which the direct light of the light emitting diode is incident and any one of the incident surfaces. The non-incident surface where the direct light of the light emitting diode is not incident is a concave linear Fresnel lens surface configured to be alternately arranged in a direction orthogonal to the direction in which the light emitting diodes are arranged ,
Each said non-incident surface is a plane which passes through each said light emitting diode, when each extended, The lighting fixture characterized by the above-mentioned . 前記配光体は、全ての前記発光ダイオードを含む所定の対称面に関して対称な形状であって、
前記器具本体は、固定される際に固定の対象に接触する平面である固定面を有し、
前記対称面と前記固定面とのなす角が０°より大きく且つ９０°未満であることを特徴とする請求項１記載の照明器具。 The light distribution body has a symmetrical shape with respect to a predetermined symmetry plane including all the light emitting diodes,
The instrument body has a fixed surface that is a flat surface that comes into contact with an object to be fixed when fixed.
The lighting fixture according to claim 1, wherein an angle formed by the symmetry plane and the fixed plane is greater than 0 ° and less than 90 °. 前記発光ダイオードの光のうち前記入射面に入射しない向きの光を前記配光体に反射する反射板を備えることを特徴とする請求項１又は請求項２記載の照明器具。   The luminaire according to claim 1, further comprising a reflector that reflects the light of the light emitting diode in a direction not incident on the incident surface to the light distribution body.
JP2011111761A 2011-05-18 2011-05-18 lighting equipment Expired - Fee Related JP5760177B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2011111761A JP5760177B2 (en) 2011-05-18 2011-05-18 lighting equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011111761A JP5760177B2 (en) 2011-05-18 2011-05-18 lighting equipment

Publications (2)

Publication Number Publication Date
JP2012243528A JP2012243528A (en) 2012-12-10
JP5760177B2 true JP5760177B2 (en) 2015-08-05

Family

ID=47465030

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011111761A Expired - Fee Related JP5760177B2 (en) 2011-05-18 2011-05-18 lighting equipment

Country Status (1)

Country Link
JP (1) JP5760177B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6238199B2 (en) * 2013-11-05 2017-11-29 パナソニックＩｐマネジメント株式会社 lighting equipment
CN112128715B (en) * 2020-09-17 2023-01-06 澳柯玛股份有限公司 Hide LED lamp strip fixing device and horizontal freezing show cupboard of power cord

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5078419B2 (en) * 2006-11-06 2012-11-21 パナソニック株式会社 Light emitting module and light receiving module
JP2008218186A (en) * 2007-03-05 2008-09-18 Mitsubishi Electric Corp Luminaire

Also Published As

Publication number Publication date
JP2012243528A (en) 2012-12-10

Similar Documents

Publication Publication Date Title
TWI418731B (en) Led lamp
US8434892B2 (en) Collimator assembly
US8696172B2 (en) Lens and lamp using the same
US20120075850A1 (en) Led lamp
WO2015115517A1 (en) Lighting device
US20120087119A1 (en) Led lamp
WO2008047851B1 (en) Light-emitting apparatus
US9360169B2 (en) Lens, LED module and illumination system with asymmetric lighting distribution
JP6709095B2 (en) Vehicle lighting
JP6082992B2 (en) Lighting device, lamp and vehicle
US9255669B2 (en) Lens, LED module and illumination system having same
WO2018032463A1 (en) Lens structure, and lamp, backlight module and display device using same
JP5668920B2 (en) Lighting device
CN105333397B (en) Polarizing lens and lighting lamp with same
KR101317193B1 (en) Planar illumination device
JP5760177B2 (en) lighting equipment
TWM467584U (en) Indicating lamp of vehicle
JP6727043B2 (en) Light source device and lighting equipment
US8419230B2 (en) Lens and lamp using the same
JP2019533280A (en) Interconnectable light guide tiles
KR101502047B1 (en) Led flat panel type illumination module
JP5575627B2 (en) Light bulb type LED lamp
TWI582335B (en) Lights
JP2014170657A (en) Light control body and road lamp
JP6369169B2 (en) Reflector and road lighting equipment

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20140326

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20141008

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20141111

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20141215

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20150127

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20150220

LAPS Cancellation because of no payment of annual fees