JP2020149871A - Led lens cover for lighting device - Google Patents
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- 230000003287 optical effect Effects 0.000 claims abstract description 6
- 230000004907 flux Effects 0.000 claims abstract description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 description 14
- 239000000758 substrate Substances 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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- Illuminated Signs And Luminous Advertising (AREA)
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Abstract
Description
この発明は、ＬＥＤを光源として用いた照明装置用のＬＥＤレンズカバーに関するものである。 The present invention relates to an LED lens cover for a lighting device using an LED as a light source.
近年、消費電力が少ない、チラツキが少ない、耐久性があり、長寿命である等の理由から、光源としてＬＥＤ(＝発光ダイオード)等の点光源を用いた照明装置が出現している。しかしながら、ＬＥＤは一般的に、正面光軸方向の光度が最大であり、光軸方向に対する角度が大きくなるに従い、光度が減少する指向特性を有している。そのため均一な面状照明光を得ることが必要な掲示器等の照明装置の光源として、ＬＥＤを用いる場合には、ＬＥＤの光を拡散させ、面状の表示面を均一に照射させる構成が必要となる。 In recent years, lighting devices using a point light source such as an LED (= light emitting diode) have appeared as a light source because of low power consumption, low flicker, durability, and long life. However, the LED generally has a directional characteristic in which the luminous intensity in the front optical axis direction is maximum and the luminous intensity decreases as the angle with respect to the optical axis direction increases. Therefore, when an LED is used as a light source for a lighting device such as a bulletin board that needs to obtain uniform planar illumination light, it is necessary to have a configuration in which the LED light is diffused and the planar display surface is uniformly irradiated. It becomes.
なお、掲示器は、鉄道の駅構内や地下通路、或いは建物の外壁面等に、設置され、表面に文字や絵などが付された光透過性のパネルをその背面側から光を当てて、歩行者等へ周辺地理の案内や誘導のための情報や、宣伝広告等の各種情報を掲示するものである。 The bulletin board is installed on the premises of a railway station, an underground passage, or the outer wall surface of a building, and a light-transmitting panel with letters or pictures on the surface is exposed to light from the back side. Information for guiding and guiding the surrounding geography to pedestrians, etc., and various information such as advertisements are posted.
ＬＥＤの光を拡散させ、面状の表示面を均一に照射させる構成としては、例えば、照明装置の筐体２の天井部内面に沿って複数のＬＥＤ４２を列状に配置し、各ＬＥＤ４２から下向きに放射された線状光源４の光を、光拡散レンズ５であるリニアフレネルレンズで集光し、集光した光束を減衰させることなく筐体２の正背両側に設置された透光表示板３、３に向けてそれぞれ配分し、両透光表示板３、３の表示面の全体を均一な光で照射する、特許文献１の構成が開示されている。 As a configuration for diffusing the light of the LEDs and uniformly irradiating the planar display surface, for example, a plurality of LEDs 42 are arranged in a row along the inner surface of the ceiling portion of the housing 2 of the lighting device, and each LED 42 faces downward. The light of the linear light source 4 radiated to the light is collected by the linear Fresnel lens which is the light diffusion lens 5, and the light transmissive display plates installed on both the front and back sides of the housing 2 without attenuating the collected light flux. The configuration of Patent Document 1 is disclosed in which the light is distributed toward 3 and 3 and the entire display surface of both translucent display plates 3 and 3 is irradiated with uniform light.
しかしながら、この特許文献１は、照明装置の筐体の天井部内面に沿って複数のＬＥＤを列状に配置し、各ＬＥＤの前方に、光の照射対象である両透光表示板が配置される構成を想定している。各ＬＥＤの側面や側面後方に両透光表示板が配置される、つまり各ＬＥＤの側面や側面後方に光の照射が要求される構成を想定していない。 However, in Patent Document 1, a plurality of LEDs are arranged in a row along the inner surface of the ceiling portion of the housing of the lighting device, and both translucent display plates to be irradiated with light are arranged in front of each LED. The configuration is assumed. It is not assumed that both translucent display plates are arranged on the side surface or the rear side of each LED, that is, the configuration in which light irradiation is required on the side surface or the rear side of each LED.
照明装置７の筐体７１の天井部内面に沿って配置された、各ＬＥＤ７２の側面や側面後方に両透光表示板７３が配置される構成の場合、図５に示すように、各ＬＥＤ７２の側面から光が漏れ、その部分だけ、明るい帯ができ、他の部分と照度に差が出てしまう。一方、各ＬＥＤ７２の側面から漏れる光を完全に遮断してしまうと、各ＬＥＤ７２の側面や側面後方に係る、透光表示板７３の表示面に光が照射されなくなってしまう。従って、各ＬＥＤ７２の側面や側面後方に対応する両透光表示板７３に適切に光が照射されるように、各ＬＥＤ７２の側面から漏れる光の量や漏れ方を調節する必要がある。 In the case of a configuration in which both translucent display plates 73 are arranged on the side surface or the rear side of each LED 72 arranged along the inner surface of the ceiling portion of the housing 71 of the lighting device 7, as shown in FIG. 5, each LED 72 Light leaks from the side, and a bright band is formed only in that part, which makes the illuminance different from other parts. On the other hand, if the light leaking from the side surface of each LED 72 is completely blocked, the light is not irradiated to the display surface of the translucent display plate 73 related to the side surface and the rear side surface of each LED 72. Therefore, it is necessary to adjust the amount and the way of leakage of the light leaking from the side surface of each LED 72 so that the light transmissive display plate 73 corresponding to the side surface and the rear side of the side surface of each LED 72 is appropriately irradiated with the light.
なお、照明装置７の筐体７１の天井部内面に沿って配置された、各ＬＥＤ７２の側面や側面後方に両透光表示板７３が配置される構成の場合、各ＬＥＤ７２には、図６及び図７に示す既製品の、プラスティック製のレンズ６が設けられている。このレンズ６は、略短円筒形状であって、ＬＥＤ７２から照射される光束を、正面光軸方向に集約させる役割を果たす。しかし、各ＬＥＤ７２にレンズ６を設けても、側面から漏れる光の量や漏れ方を調節することはできない。 In the case of a configuration in which both translucent display plates 73 are arranged on the side surface or the rear side of each LED 72 arranged along the inner surface of the ceiling portion of the housing 71 of the lighting device 7, each LED 72 includes FIG. A ready-made plastic lens 6 shown in FIG. 7 is provided. The lens 6 has a substantially short cylindrical shape, and serves to collect the light flux emitted from the LED 72 in the front optical axis direction. However, even if the lens 6 is provided on each LED 72, the amount of light leaking from the side surface and the way of leaking cannot be adjusted.
そのため、従来は、このレンズ６の外周に、作業者等のユーザがテープを巻いて（図示省略）、ＬＥＤの側面から漏れる光の量や漏れ方を調節していた。しかし、１つの照明装置７にＬＥＤ７２は、例えば３６個〜６０個設けられており、これらのＬＥＤ７２の各レンズの外周にテープを巻くには、膨大な時間と手間が必要である。 Therefore, conventionally, a user such as an operator wraps a tape around the outer circumference of the lens 6 (not shown) to adjust the amount of light leaking from the side surface of the LED and how it leaks. However, for example, 36 to 60 LEDs 72 are provided in one lighting device 7, and it takes a huge amount of time and effort to wrap a tape around the outer periphery of each lens of these LEDs 72.
そこで、この発明は、上述の課題を解決する、ＬＥＤの側面から漏れる光や漏れ方を調整することができ、また、ＬＥＤのレンズに簡単に被せることができ、作業が簡易な照明装置用のＬＥＤレンズカバーを提供することを目的としたものである。 Therefore, the present invention is for a lighting device that solves the above-mentioned problems, can adjust the light leaking from the side surface of the LED and how it leaks, and can be easily put on the lens of the LED, and the work is simple. It is an object of the present invention to provide an LED lens cover.
請求項１の発明は、
対向二面に開口部が設けられた箱形筐体の両前記開口部に透光表示板を設置し、また、前記箱型筐体の天井部内面に沿って、線状光源として、複数のＬＥＤを列状に配置し、両前記透光表示板を前記線状光源で内側から照明する照明装置用のＬＥＤレンズカバーであって、
各前記ＬＥＤには、当該ＬＥＤから照射される光束を、正面光軸方向に集約させる、略短円筒形状のレンズが設けられており、
前記照明装置用のＬＥＤレンズカバーは、各前記レンズの側部外周を覆うように設けられ、各前記ＬＥＤの側面から漏れる光の量や漏れ方を調節する、照明装置用のＬＥＤレンズカバーとした。
The invention of claim 1 is
A plurality of light-transmitting display plates are installed in both of the openings of the box-shaped housing provided with openings on two opposite surfaces, and as a linear light source along the inner surface of the ceiling portion of the box-shaped housing. An LED lens cover for a lighting device in which LEDs are arranged in a row and both of the translucent display plates are illuminated from the inside by the linear light source.
Each LED is provided with a substantially short cylindrical lens that aggregates the luminous flux emitted from the LED in the front optical axis direction.
The LED lens cover for the lighting device is provided so as to cover the outer periphery of the side portion of each of the lenses, and is an LED lens cover for the lighting device that adjusts the amount and the way of leaking light from the side surface of each of the LEDs. ..
また、請求項２の発明は、
前記照明装置用のＬＥＤレンズカバーが、シリコーン製で白色である、請求項１に記載の照明装置用のＬＥＤレンズカバーとした。
Further, the invention of claim 2 is
The LED lens cover for a lighting device according to claim 1, wherein the LED lens cover for the lighting device is made of silicone and is white.
また、請求項３の発明は、
前記照明装置用のＬＥＤレンズカバーの表面に、凹凸を作るブラスト処理が施されている、請求項１又は２に記載の照明装置用のＬＥＤレンズカバーとした。
Further, the invention of claim 3 is
The LED lens cover for a lighting device according to claim 1 or 2, wherein the surface of the LED lens cover for the lighting device is blasted to create irregularities.
請求項１〜３の発明によれば、ＬＥＤの側面から漏れる光や漏れ方を調整し、ＬＥＤの側面や側面後方に対応する両透光表示板に適切に光を照射することができる。また、作業者等のユーザは、簡易な作業で、ＬＥＤのレンズに簡単にカバーを被せることができるため、作業時間や作業の手間を省くことができ、便宜である。 According to the inventions of claims 1 to 3, it is possible to adjust the light leaking from the side surface of the LED and the way of leaking, and appropriately irradiate both translucent display plates corresponding to the side surface and the rear side of the LED. Further, since the user such as a worker can easily cover the LED lens with a simple work, the work time and the labor of the work can be saved, which is convenient.
（実施の形態例１）
まず、この発明の実施の形態例１のＬＥＤレンズカバー１について、図１に基づいて説明する。図１（a）は、この発明の実施の形態例１の平面図であって、（b）は、正面図である。ＬＥＤレンズカバー１は、アクリル製の型に、シリコーンを流し込んで一体に成型されたシリコーン製で、リング（＝環）状である。なお、「シリコーン」は、「シリコン」とも呼ばれ、ケイ素と酸素からなるシロキサン結合（-Si-O-Si-）を骨格とし、そのケイ素（Si）にメチル基（-CH3）を主体とする有機基が結合したポリマーの総称であり、例えば、ポリアミド樹脂、熱可撓性アクリル樹脂、ポリカーボネート樹脂を含む概念である。
(Example 1 of the embodiment)
First, the LED lens cover 1 of the first embodiment of the present invention will be described with reference to FIG. FIG. 1A is a plan view of a first embodiment of the present invention, and FIG. 1B is a front view. The LED lens cover 1 is made of silicone, which is integrally molded by pouring silicone into an acrylic mold, and has a ring shape. In addition, "silicone" is also called "silicon", and has a siloxane bond (-Si-O-Si-) composed of silicon and oxygen as a skeleton, and the silicon (Si) is mainly composed of a methyl group (-CH3). It is a general term for polymers to which organic groups are bonded, and is a concept including, for example, polyamide resin, heat-flexible acrylic resin, and polycarbonate resin.
また、ＬＥＤレンズカバー１は、前方の下端及び後方の下端に、切り欠き１１が夫々設けられている。この切り欠き１１は、レンズ６の下前方及び下後方から外周方向に向かって伸びており、レンズ６を基板８（後述）に係止させる爪部６１（図６を参照）を収容し、レンズ６にＬＥＤレンズカバー１が嵌合するように設けられている。なお、ＬＥＤレンズカバー１の前方の下端の切り欠き１１は、図１（b）に示されている。一方、ＬＥＤレンズカバー１の後方の下端の切り欠き１１は、図１（b）に示されていないが、ＬＥＤレンズカバー１の正面と背面は同様であるため、図示を省略する。 Further, the LED lens cover 1 is provided with notches 11 at the front lower end and the rear lower end, respectively. The notch 11 extends from the lower front and the lower rear of the lens 6 toward the outer periphery, and accommodates a claw portion 61 (see FIG. 6) that locks the lens 6 to the substrate 8 (described later), and the lens. The LED lens cover 1 is provided so as to fit into 6. The notch 11 at the lower end of the front of the LED lens cover 1 is shown in FIG. 1 (b). On the other hand, the notch 11 at the lower end behind the LED lens cover 1 is not shown in FIG. 1 (b), but the front and back surfaces of the LED lens cover 1 are the same, so the illustration is omitted.
また、図１（a）に示すように、ＬＥＤレンズカバー１の前方方向の内周面及び後方方向の内周面には、ＬＥＤレンズカバー１の中心方向に向かって盛り上がった肉厚段部１２が夫々設けられている。 Further, as shown in FIG. 1A, on the inner peripheral surface in the front direction and the inner peripheral surface in the rear direction of the LED lens cover 1, a thick-walled step portion 12 that rises toward the center of the LED lens cover 1 Are provided respectively.
図６に示すように、レンズ６の左方向の外周面及び右方向の外周面は、レンズ６の外周方向に向かって盛り上がった肉厚段部６２が夫々設けられているため、リング状のＬＥＤレンズカバー１をレンズ６の外周に嵌合させると、レンズ６の左方向の外周面及び右方向の外周面については、ＬＥＤレンズカバー１を隙間なく嵌合させることができるが、レンズ６の前方方向と後方方向については、肉厚段部６２があることで浮いてしまい、レンズ６の外周面にＬＥＤレンズカバー１を隙間なく嵌合させることはできない。 As shown in FIG. 6, the outer peripheral surface in the left direction and the outer peripheral surface in the right direction of the lens 6 are each provided with thick-walled step portions 62 raised toward the outer peripheral direction of the lens 6, so that a ring-shaped LED is provided. When the lens cover 1 is fitted to the outer periphery of the lens 6, the LED lens cover 1 can be fitted without a gap on the left outer peripheral surface and the right outer peripheral surface of the lens 6, but the front of the lens 6. In the direction and the rear direction, the thick step portion 62 causes the lens to float, and the LED lens cover 1 cannot be fitted to the outer peripheral surface of the lens 6 without a gap.
そこで、ＬＥＤレンズカバー１の前方方向の内周面及び後方方向の内周面に、肉厚段部１２を設けることで、レンズ６の前方方向及び後方方向の外周を支持させて持ち上げ、レンズ６の外周面にＬＥＤレンズカバー１を隙間なく嵌合させる。 Therefore, by providing the thick step portion 12 on the inner peripheral surface in the front direction and the inner peripheral surface in the rear direction of the LED lens cover 1, the outer circumferences in the front direction and the rear direction of the lens 6 are supported and lifted, and the lens 6 is lifted. The LED lens cover 1 is fitted to the outer peripheral surface of the lens without any gap.
図２（a）は、ＬＥＤレンズカバー１をレンズ６に被せた状態を示す正面図であり、（b）は、ＬＥＤレンズカバー１をレンズ６に被せた状態を示す平面図である。また、図３（a）は、基板８上のレンズ６に、この発明の実施の形態例１に係るＬＥＤレンズカバーを被せた状態を示す正面図であり、（b）は、基板８上のレンズに、この発明の実施の形態例１に係るＬＥＤレンズカバーを被せた状態を示す平面図である。なお、照明装置７の筐体７１の天井部内面に沿って各ＬＥＤ７２を配置する場合には、電源や各ＬＥＤを制御する制御回路等が搭載された基板８上に、各ＬＥＤ７２を配置するが、当該事項は、一般的な事項であるため、説明を省略する。 FIG. 2A is a front view showing a state in which the LED lens cover 1 is put on the lens 6, and FIG. 2B is a plan view showing a state in which the LED lens cover 1 is put on the lens 6. Further, FIG. 3A is a front view showing a state in which the lens 6 on the substrate 8 is covered with the LED lens cover according to the first embodiment of the present invention, and FIG. 3B is a front view on the substrate 8. It is a top view which shows the state which covered the LED lens cover which concerns on Embodiment 1 of this invention on a lens. When each LED 72 is arranged along the inner surface of the ceiling of the housing 71 of the lighting device 7, each LED 72 is arranged on a substrate 8 on which a power supply, a control circuit for controlling each LED, and the like are mounted. , Since the matter is a general matter, the description thereof will be omitted.
図２及び図３で示されているように、ＬＥＤレンズカバー１の前方の下端及び後方の下端に夫々、切り欠き１１が設けられ、ＬＥＤレンズカバー１の前方方向の内周面及び後方方向の内周面に夫々、肉厚段部１２が設けられているため、ＬＥＤレンズカバー１をレンズ６の外周面に沿って隙間なく嵌合させることができる。 As shown in FIGS. 2 and 3, notches 11 are provided at the front lower end and the rear lower end of the LED lens cover 1, respectively, so that the LED lens cover 1 has an inner peripheral surface in the front direction and a rear end surface in the rear direction. Since the thick-walled step portions 12 are provided on the inner peripheral surfaces, the LED lens cover 1 can be fitted along the outer peripheral surface of the lens 6 without any gap.
また、ＬＥＤレンズカバー１の色は、例えば、クリア（＝透明）や薄い白色や濃い白色等を使用可能であるが、濃い白色が好ましい。 Further, as the color of the LED lens cover 1, for example, clear (= transparent), light white, dark white, or the like can be used, but dark white is preferable.
更に、ＬＥＤレンズカバー１の表面に凹凸を作るため、ブラスト処理を施す構成としても良い。ブラスト処理を施して、ＬＥＤレンズカバー１の表面に凹凸を形成することによって、ＬＥＤ７２の光が、その凹凸に乱反射して拡散し、各ＬＥＤ７２の側面や側面後方に対応する両透光表示板に適切に光が照射される。 Further, in order to make the surface of the LED lens cover 1 uneven, a blasting process may be performed. By performing blasting treatment to form irregularities on the surface of the LED lens cover 1, the light of the LED 72 is diffusely reflected and diffused on the irregularities, and is diffused on the side surface of each LED 72 and on both translucent display plates corresponding to the rear side surface. Light is properly applied.
次に、テープをレンズ６の外周に巻いた場合と、本実施の形態例１に係るＬＥＤレンズカバー１をレンズ６に被せた場合で比較する。図４は、レンズにテープを巻いた場合と、レンズに各種のＬＥＤレンズカバー１を被せた場合の照度を示したグラフ図である。図４の縦軸は、照度（lx）を示し、横軸は、照明装置７の筐体７１の天井部に設けられたＬＥＤ７２（＝光源）から、照明装置７の下方向の距離であり、図４では、縦の長さ（＝高さ）が５００（ｍｍ）の照明装置７を使用した例を示している。 Next, the case where the tape is wrapped around the outer circumference of the lens 6 and the case where the LED lens cover 1 according to the first embodiment is put on the lens 6 are compared. FIG. 4 is a graph showing the illuminance when the tape is wrapped around the lens and when the lens is covered with various LED lens covers 1. The vertical axis of FIG. 4 indicates the illuminance (lx), and the horizontal axis is the downward distance of the lighting device 7 from the LED 72 (= light source) provided on the ceiling of the housing 71 of the lighting device 7. FIG. 4 shows an example in which a lighting device 7 having a vertical length (= height) of 500 (mm) is used.
図４を見ると、ＬＥＤレンズカバー１の色がクリア（透明）の場合には、ＬＥＤ７２付近の５０（mm）の地点の照度が高い。レンズ６にテープを巻いた場合には、ＬＥＤ７２から離れた４５０（mm）の地点の照度が高い。ＬＥＤレンズカバー１の色が薄い白色や濃い白色の場合、概ね、レンズ６にテープを巻いた場合と同様に、照度を抑えることができている。但し、ＬＥＤレンズカバー１の色が濃い白色の場合の方が、より照度を抑えることができている。なお、テープを巻いた場合、各種のＬＥＤレンズカバー１を被せた場合のいずれも、３５０（mm）離れた地点から、照度が上昇している。これは、ＬＥＤ７２の光が、照明装置７の筐体７１の底部で反射しているからである。 Looking at FIG. 4, when the color of the LED lens cover 1 is clear (transparent), the illuminance at the point 50 (mm) near the LED 72 is high. When the tape is wrapped around the lens 6, the illuminance at a point 450 (mm) away from the LED 72 is high. When the color of the LED lens cover 1 is light white or dark white, the illuminance can be suppressed in the same manner as when the tape is wrapped around the lens 6. However, when the color of the LED lens cover 1 is dark white, the illuminance can be further suppressed. When the tape is wrapped, the illuminance is increased from a point 350 (mm) away in each case of covering with various LED lens covers 1. This is because the light of the LED 72 is reflected by the bottom of the housing 71 of the lighting device 7.
このように、レンズ６にＬＥＤレンズカバー１を被せることによって、レンズ６にテープを巻いた場合と同様に、ＬＥＤ７２の側面から漏れる光や漏れ方を調整し、ＬＥＤ７２の側面や側面後方に対応する両透光表示板７３に適切に光を照射することができる。また、作業者等のユーザは、簡易な作業で、ＬＥＤ７２のレンズ６に簡単にＬＥＤレンズカバー１を被せることができるため、作業時間や作業の手間を省くことができ、便宜である。 By covering the lens 6 with the LED lens cover 1 in this way, the light leaking from the side surface of the LED 72 and the way of leaking are adjusted in the same manner as when the tape is wrapped around the lens 6, and the light leaks from the side surface and the rear side surface of the LED 72. Both translucent display plates 73 can be appropriately irradiated with light. Further, since the user such as an operator can easily cover the lens 6 of the LED 72 with the LED lens cover 1 by a simple operation, the work time and the labor of the work can be saved, which is convenient.
以上、この発明の好ましい実施の形態例について述べたが、この発明に係る照明装置用の制御回路は上述した実施の形態例にのみ限定されるものではなく、この発明の範囲で種々の変更実施が可能であるのは言うまでもない。 Although the preferred embodiment of the present invention has been described above, the control circuit for the lighting device according to the present invention is not limited to the above-described embodiment, and various modifications are made within the scope of the present invention. Needless to say, is possible.
１：ＬＥＤレンズカバー、１１：切り欠き、１２：肉厚段部、
６：レンズ、６１：爪部、６２：肉厚段部、
７：照明装置、７１：筐体、７２：ＬＥＤ、７３：透光表示板、
８：基板
1: LED lens cover, 11: Notch, 12: Thick step part,
6: Lens, 61: Claw part, 62: Thick step part,
7: Lighting device, 71: Housing, 72: LED, 73: Translucent display board,
8: Substrate
Claims (3)
各前記ＬＥＤには、当該ＬＥＤから照射される光束を、正面光軸方向に集約させる、略短円筒形状のレンズが設けられており、
前記照明装置用のＬＥＤレンズカバーは、各前記レンズの側部外周を覆うように設けられ、各前記ＬＥＤの側面から漏れる光の量や漏れ方を調節することを特徴とする、照明装置用のＬＥＤレンズカバー。 A plurality of light-transmitting display plates are installed in both of the openings of the box-shaped housing provided with openings on two opposite surfaces, and as a linear light source along the inner surface of the ceiling portion of the box-shaped housing. An LED lens cover for a lighting device in which LEDs are arranged in a row and both of the translucent display plates are illuminated from the inside by the linear light source.
Each LED is provided with a substantially short cylindrical lens that aggregates the luminous flux emitted from the LED in the front optical axis direction.
The LED lens cover for the lighting device is provided so as to cover the outer periphery of the side portion of each of the lenses, and is characterized in that the amount of light leaking from the side surface of each of the LEDs and the way of leaking are adjusted. LED lens cover.
The LED lens cover for a lighting device according to claim 1 or 2, wherein the surface of the LED lens cover for the lighting device is blasted to create irregularities.
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|---|---|---|---|---|
| WO2012017636A1 (en) * | 2010-08-03 | 2012-02-09 | 株式会社エンプラス | Light-emitting device and illumination device |
| JP2014145790A (en) * | 2013-01-25 | 2014-08-14 | Nitto Kogaku Kk | Optical member |
| JP2014229545A (en) * | 2013-05-24 | 2014-12-08 | 株式会社新陽社 | Light source device, and lighting apparatus using the same |
| JP3205117U (en) * | 2016-04-22 | 2016-07-07 | 株式会社パーマンコーポレーション | Marker lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012017636A1 (en) * | 2010-08-03 | 2012-02-09 | 株式会社エンプラス | Light-emitting device and illumination device |
| JP2014145790A (en) * | 2013-01-25 | 2014-08-14 | Nitto Kogaku Kk | Optical member |
| JP2014229545A (en) * | 2013-05-24 | 2014-12-08 | 株式会社新陽社 | Light source device, and lighting apparatus using the same |
| JP3205117U (en) * | 2016-04-22 | 2016-07-07 | 株式会社パーマンコーポレーション | Marker lamp |
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