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JP2001291406A - Lighting - Google Patents

Lighting

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Publication number
JP2001291406A
JP2001291406A JP2000106201A JP2000106201A JP2001291406A JP 2001291406 A JP2001291406 A JP 2001291406A JP 2000106201 A JP2000106201 A JP 2000106201A JP 2000106201 A JP2000106201 A JP 2000106201A JP 2001291406 A JP2001291406 A JP 2001291406A
Authority
JP
Japan
Prior art keywords
led
illumination
phosphor
light
leds
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.)
Withdrawn
Application number
JP2000106201A
Other languages
Japanese (ja)
Inventor
Osamu Ueda
修 上田
Akira Sato
彰 佐藤
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.)
Yamada Shomei Lighting Co Ltd
Original Assignee
Yamada Shomei Lighting 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 Yamada Shomei Lighting Co Ltd filed Critical Yamada Shomei Lighting Co Ltd
Priority to JP2000106201A priority Critical patent/JP2001291406A/en
Publication of JP2001291406A publication Critical patent/JP2001291406A/en
Withdrawn legal-status Critical Current

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Abstract

(57)【要約】 【課題】 低コストで非常に優れた照明を行うことがで
きると共に、所望の色調を簡単に得ることができる汎用
性に富んだ照明灯を提供する。 【解決手段】 複数のLEDが所定方向に向けられて点
灯可能に配設され、複数配設された該LEDの該所定方
向の前方に一つ若しくは一組の蛍光体が設けられ、該L
EDの照明光の少なくとも一部が該蛍光体で波長変換さ
れ外部に照射されることを特徴とする照明灯。前記照明
灯では複数配設されたLEDの照明光方向に設けられた
蛍光体によりLEDの発光波長の変換を行い、波長変換
後の照明光によって照明を行うので、使用するLEDに
対応した蛍光体を設けて、簡単に所望色調の照明光を得
ることができる。この場合に使用するLEDは白色LE
D等の高コストのものに限定されず、また蛍光体を個々
のLEDに設ける必要がないことから、照明灯全体とし
て低コストになる。
(57) [Problem] To provide a highly versatile illumination lamp capable of performing very excellent illumination at low cost and easily obtaining a desired color tone. SOLUTION: A plurality of LEDs are arranged so as to be turned on in a predetermined direction, and one or a set of phosphors is provided in front of the plurality of LEDs in the predetermined direction.
An illumination lamp, wherein at least a part of the illumination light of the ED is converted in wavelength by the phosphor and irradiated to the outside. In the illumination lamp, the emission wavelength of the LED is converted by the phosphor provided in the illumination light direction of the plurality of arranged LEDs, and the illumination is performed by the illumination light after the wavelength conversion, so that the phosphor corresponding to the LED to be used is used. Is provided, illumination light of a desired color tone can be easily obtained. The LED used in this case is white LE
It is not limited to high-cost ones such as D, and it is not necessary to provide a phosphor for each LED.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は主として室内灯や外
灯などに利用して優れた照明機能を発揮することができ
るLEDを光源とした照明灯に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an illuminating lamp using an LED as a light source, which can be used mainly as an interior lamp or an outdoor lamp to exhibit an excellent illumination function.

【0002】[0002]

【従来の技術】従来、例えば屋内或いは屋外の照明灯と
して、白熱灯や蛍光灯を用いたものが使用されている。
白熱灯や蛍光灯の照明光は高い光量を有し、360度の
全方位性という特性を有するため、これらを光源として
照明灯に利用する場合には反射板を設けて照明光に所望
の指向性を持たせている。
2. Description of the Related Art Heretofore, for example, as an indoor or outdoor illumination lamp, an incandescent lamp or a fluorescent lamp has been used.
Illumination light from incandescent lamps and fluorescent lamps has a high amount of light and has 360-degree omnidirectional characteristics. Therefore, when these are used as a light source for an illumination lamp, a reflector is provided to provide a desired directivity to the illumination light. It has the nature.

【0003】しかしながら、白熱灯や蛍光灯による照明
光は全方位性という特性から、必然的に反射板等による
指向性の制御が必要になるが、この際に制御しきれない
照明光を不可避的に生じて非効率であり、又電力の光へ
の変換割合が低く発生熱量が高くなる、点灯時の電圧が
高い、寿命が短い等の不具合を有する。さらに乱反射し
た光が直接目に入らないような目に優しい照明光による
照明に対して強い社会的要請もある。
However, the illuminating light from an incandescent lamp or a fluorescent lamp must be controlled in directivity by a reflector or the like because of its omnidirectional characteristics. In this case, the illuminating light that cannot be completely controlled is inevitable. In addition, it has inefficiencies, and the conversion ratio of electric power to light is low, the amount of generated heat is high, the voltage at the time of lighting is high, and the life is short. Furthermore, there is a strong social demand for illumination with illumination light that is gentle on the eyes so that diffusely reflected light does not directly enter the eyes.

【0004】かような不具合を解消すべく、特願平11
−050700号による照明灯が提案されている。前記
発明による照明灯は所定の指向性を有するLEDを光源
として用いたもので、LEDを放熱板を介して所定の指
向方向に配設し、前記指向方向の照明光を確保する構成
としたものである。
In order to solve such a problem, Japanese Patent Application No.
No. 050700 has been proposed. The illumination lamp according to the invention uses an LED having a predetermined directivity as a light source. The LED is arranged in a predetermined direction through a heat sink to secure illumination light in the direction. It is.

【0005】[0005]

【発明が解決しようとする課題】ところが上記照明灯に
より一層良好な照明を行うためには、例えば光源となる
LEDとして白色LEDなどの照明機能に優れたLED
を用いることが必要になる。白色LEDは青色LEDの
ランプ部分に蛍光体を設けて発光波長の変換を行うもの
であるため、個々のLEDが割高であり、多数のLED
を用いて照明灯とした場合にコスト高になってしまう。
However, in order to perform better illumination with the above-mentioned illumination lamp, for example, an LED having a superior illumination function, such as a white LED, is used as an LED serving as a light source.
Need to be used. Since the white LED is provided with a phosphor at the lamp portion of the blue LED to convert the emission wavelength, each LED is expensive, and a large number of LEDs are used.
In the case where the lighting is used as the illumination light, the cost increases.

【0006】また配設するLEDの色調に依存して照明
灯の照明光の色調を変化させる構成とした場合、必要に
応じて所望の色調に照明光を変化させる際には、配設し
た個々のLED全てを所望の色調を有するLEDに交換
することが必要となる。かような照明灯は汎用性に富む
ものとは言い難い。
In the case where the color tone of the illumination light of the illuminating lamp is changed depending on the color tone of the LED to be arranged, when the illumination light is changed to a desired color tone as required, the individual components are arranged. It is necessary to replace all of the LEDs with LEDs having a desired color tone. Such lamps are hardly versatile.

【0007】本発明は上記問題点に鑑みなされたもので
あって、低コストで非常に優れた照明を行うことができ
ると共に、所望の色調を簡単に得ることができる汎用性
に富んだ照明灯を提供することを目的とする。
SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and provides a highly versatile illuminating lamp capable of performing very excellent illumination at a low cost and easily obtaining a desired color tone. The purpose is to provide.

【0008】[0008]

【課題を解決するための手段】本発明の照明灯は、複数
のLEDが所定方向に向けられて点灯可能に配設され、
複数配設された該LEDの該所定方向の前方に一つ若し
くは一組の蛍光体が設けられ、該LEDの照明光の少な
くとも一部が該蛍光体で波長変換され外部に照射される
ことを特徴とする。前記照明灯では複数配設されたLE
Dの照明光方向に設けられた蛍光体によりLED照明光
の一部若しくは全部の発光波長の変換を行い、波長変換
後の照明光によって照明を行うので、使用するLEDに
対応した蛍光体を設けることにより、簡単に所望色調の
照明光を得て良好な照明を行うことができる。この場合
に使用するLEDは白色LED等の高コストのものに限
定されず、また蛍光体を個々のLEDに設ける必要がな
いことから、照明灯全体として低コストなものとなる。
According to the present invention, there is provided an illumination lamp in which a plurality of LEDs are arranged so as to be turned on in a predetermined direction.
One or a set of phosphors is provided in front of the plurality of LEDs in the predetermined direction, and at least a part of the illumination light of the LEDs is wavelength-converted by the phosphors and emitted to the outside. Features. In the illumination lamp, a plurality of LEs
A part or all of the emission wavelength of the LED illumination light is converted by the phosphor provided in the illumination light direction of D, and illumination is performed by the illumination light after the wavelength conversion, so that a phosphor corresponding to the LED to be used is provided. This makes it possible to easily obtain illumination light of a desired color tone and perform favorable illumination. In this case, the LED used is not limited to a high-cost LED such as a white LED, and it is not necessary to provide a phosphor for each LED.

【0009】さらに上記照明灯に於いて、前記蛍光体が
該LEDの照明光の発光波長を変換して照明光を白色に
するものであることを特徴とする。使用するLEDに対
応し発光波長を変換して照明光を白色にする蛍光体を用
いることで、使用するLEDに関わらず照明光として望
ましい白色光を簡単に得ることが可能である。
Further, in the above-mentioned illumination lamp, the phosphor converts the emission wavelength of the illumination light of the LED to make the illumination light white. By using a phosphor that converts the emission wavelength in correspondence with the LED to be used to make the illumination light white, it is possible to easily obtain a desirable white light as the illumination light regardless of the LED to be used.

【0010】さらに上記照明灯に於いて、前記蛍光体の
少なくとも一部が電球カバーの内面に固設若しくは塗設
されていることを特徴とする。蛍光体を電球カバーの内
面に固設若しくは塗設することで、蛍光体の変更が電球
カバーを取り替えることにより容易に可能である。
[0010] Further, in the above illumination lamp, at least a part of the phosphor is fixed or coated on an inner surface of the electric bulb cover. By fixing or coating the phosphor on the inner surface of the bulb cover, the phosphor can be easily changed by replacing the bulb cover.

【0011】さらに上記照明灯に於いて、電球のソケッ
トにねじ込み可能な口金が設けられていることを特徴と
する。前記口金を電球のソケットにねじ込むだけで、通
常の電球として使用することができる。
Further, in the above-mentioned illumination lamp, a socket capable of being screwed into a socket of the electric bulb is provided. By simply screwing the base into the bulb socket, it can be used as a normal bulb.

【0012】さらに上記照明灯に於いて、前記LEDが
略ドーナツ形に複数配設されていることを特徴とする。
LEDを略中央に配設せずに略ドーナツ形に配設するこ
とにより、照明灯の上昇温度を抑制することができ、照
明灯の寿命を一層長期化することが可能となる。
Further, in the above illumination lamp, a plurality of the LEDs are arranged in a substantially donut shape.
By arranging the LEDs in a substantially donut shape without being disposed substantially at the center, it is possible to suppress the rise in temperature of the illuminating lamp, and to further extend the life of the illuminating lamp.

【0013】[0013]

【発明の実施の形態】以下、本発明の照明灯を図に於け
る具体的な実施形態に基づいて説明する。図1は本発明
による照明灯の第一実施形態を示す一部縦断側面図、図
2(a)は図1の照明灯に於けるLEDの配設領域を示
す平面図、図2(b)は図1の照明灯の裏面図である。
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a lighting device according to the present invention. FIG. 1 is a partially longitudinal side view showing a first embodiment of an illumination lamp according to the present invention, FIG. 2 (a) is a plan view showing an area where LEDs are arranged in the illumination lamp of FIG. 1, and FIG. 2 (b). FIG. 2 is a rear view of the illumination lamp of FIG. 1.

【0014】図1及び図2に於ける照明灯1は、電球式
の照明灯であり、内部では円形の略ドーナツ形であるL
ED基板2に所定の指向性を有するLED3の複数が点
灯可能に配設され、図1の下方に向けて設けられてい
る。LED3は、配設密度の上昇による温度上昇を抑制
するため、図2(a)に示すように、円形の略ドーナツ
形で内側の第一周のLED3a、中心の第二周のLED
3b、外側の第三周のLED3cの三列に設けられてお
り、正面視の略中央にはLED3が設けられていない。
The illuminating lamp 1 shown in FIGS. 1 and 2 is a bulb-type illuminating lamp, and has a circular donut shape L inside.
A plurality of LEDs 3 having a predetermined directivity are provided on the ED substrate 2 so as to be lit, and are provided downward in FIG. As shown in FIG. 2 (a), the LED 3 has a circular, substantially donut-shaped LED 3a on the inner first circumference and an LED on the second circumference at the center, as shown in FIG.
The LED 3c is provided in three rows of the outer third round LED 3c, and the LED 3 is not provided substantially at the center in front view.

【0015】LED基板2のLED3の配設側と反対側
には円形で略ドーナツ形の放熱板4と中央が下方に球面
状に盛り上がっている円盤形の支持部5が設けられ、L
ED基板2と支持部5は放熱板4を挟んでネジ6でネジ
止めされている。放熱板4としては放熱ゴム等が使用さ
れ、点灯したLED3による発生熱量を放熱し、温度上
昇を抑制する機能を有する。
On the opposite side of the LED board 2 from the side where the LEDs 3 are provided, there is provided a circular, generally donut-shaped heat radiating plate 4 and a disk-shaped supporting portion 5 whose center is bulged downward in a spherical shape.
The ED substrate 2 and the support portion 5 are screwed with screws 6 with the heat sink 4 interposed therebetween. As the heat radiating plate 4, a heat radiating rubber or the like is used, and has a function of radiating heat generated by the lit LED 3 and suppressing a temperature rise.

【0016】LED基板2はリード線7を介して電源基
板8に接続されており、電源から供給される電流は図に
省略したスイッチのON・OFFに応じて電源基板8で
制御され、ON状態で電源基板8からLED基板2に電
流が供給され、前記電流の供給によってLED3が点灯
するようになっている。逆にスイッチがOFF状態のと
きには電流のLED基板2への供給が停止するので、L
ED3は消灯することになる。
The LED substrate 2 is connected to a power supply substrate 8 via a lead wire 7, and a current supplied from a power supply is controlled by the power supply substrate 8 in accordance with ON / OFF of a switch (not shown), and the ON state is set. Thus, a current is supplied from the power supply substrate 8 to the LED substrate 2, and the LED 3 is turned on by the supply of the current. Conversely, when the switch is in the OFF state, the supply of current to the LED substrate 2 is stopped.
ED3 is turned off.

【0017】LED基板2、LED3、放熱板4,電源
基板8等が格納されている基部9には、図2(b)に示
すように、同心円状で凸状の段差9aが形成され、段差
9a・9a間には所定間隔で複数の放熱スリット9bが
形成されており、放熱スリット9bで点灯したLED3
による発生熱量を放熱し、LED3や照明灯1の温度上
昇を抑制する。さらに図1に於いて基部9の上方には雄
ねじ状の口金10が形成され、口金10を図に省略した
電球のソケットに螺合してねじ込むことで照明灯1に電
流が供給されるようになっている。さらに基部9には、
図1の下方に於いて、先端が略球面形で透過率の高い電
球カバー12が着脱可能に設けられ、電球カバー12は
基部9に嵌合されてLED3等を覆っている。
As shown in FIG. 2 (b), a concentric convex step 9a is formed on the base 9 in which the LED board 2, the LED 3, the radiator plate 4, the power supply board 8 and the like are stored. A plurality of heat radiation slits 9b are formed at predetermined intervals between the light emitting slits 9a.
To dissipate the amount of heat generated thereby to suppress the temperature rise of the LED 3 and the lighting 1. Further, a male screw base 10 is formed above the base 9 in FIG. 1, and the base 10 is screwed into a socket of a light bulb not shown in the drawing and screwed in so that an electric current is supplied to the illumination lamp 1. Has become. In addition, the base 9
1, a light bulb cover 12 having a substantially spherical tip and a high transmittance is detachably provided. The light bulb cover 12 is fitted to the base 9 to cover the LEDs 3 and the like.

【0018】LED3に対して照明光の照射方向の前方
には蛍光体11が設けられ、蛍光体11は配設された複
数のLED3全体に対して一つ若しくは一組などで設け
られている。本実施形態に於ける蛍光体11は、図示の
ように電球カバー12の内面に塗設された一体のもので
あって、円形に塗設された最内側の蛍光体11a、蛍光
体11aの周囲に円周状に塗設された蛍光体11b、蛍
光体11bの周囲に円周状に塗設された最外周の蛍光体
11cが一組として設けられている。そして、内側の第
一周のLED3aによる照明光は蛍光体11aを透過
し、第二周のLED3bによる照明光は蛍光体11bを
透過し、外側の第三周のLED3cによる照明光は蛍光
体11cを透過して、外部に照射されるようになってい
る。
A phosphor 11 is provided in front of the LED 3 in the direction of irradiation of the illumination light, and the phosphor 11 is provided for one or a set of the plurality of LEDs 3 provided as a whole. The phosphor 11 in the present embodiment is an integral body coated on the inner surface of the light bulb cover 12 as shown in the figure, and the innermost phosphor 11a, which is coated in a circular shape, surrounds the phosphor 11a. Are provided as a pair, and the outermost peripheral phosphor 11c provided circumferentially around the phosphor 11b is provided as a set. The illumination light from the inner first circumference LED 3a passes through the phosphor 11a, the illumination light from the second circumference LED 3b passes through the phosphor 11b, and the illumination light from the outer third circumference LED 3c passes through the phosphor 11c. And is radiated to the outside.

【0019】従って、本実施形態の照明灯1ではLED
3として全て同じ発光波長のものを用いる場合、蛍光体
11a、11b、11cに異なる蛍光体11を使用する
ことによって、三つの発光波長の異なる照明光を外部に
照射することが可能である。そして、LED3として紫
外線を照射するLEDを使用する場合には、紫外線の発
光波長を赤、緑、青の波長に変換して三波長の照射光を
照射することで、照明灯1全体の照明光を白色化するこ
とができる。また逆に異なる波長のLEDをLED3に
用いて、全体が同じ波長となる照明光に変換することも
可能である。また蛍光体11で変換した異なる発光波長
の照明光を必要に応じてそのまま用いることも可能であ
る。
Therefore, in the illumination lamp 1 of the present embodiment, the LED
In the case where all of the light emitting wavelengths 3 are the same, the use of different phosphors 11 for the phosphors 11a, 11b and 11c makes it possible to irradiate illumination light having three different emission wavelengths to the outside. When an LED that emits ultraviolet light is used as the LED 3, the emission wavelength of the ultraviolet light is converted into red, green, and blue wavelengths, and irradiation is performed with three wavelengths. Can be whitened. Conversely, it is also possible to use LEDs of different wavelengths for the LEDs 3 and convert them into illumination light having the same wavelength as a whole. Further, the illumination light of different emission wavelengths converted by the phosphor 11 can be used as it is as needed.

【0020】なお蛍光体11は上記実施形態のものに限
定されず、塗設したものではなく板状のもの等を用いて
もよい、板状のものと塗設したものの組み合わせ等であ
ってもよい。さらに一組とする蛍光体11は異なる種類
の蛍光体11を一組とする以外に、同様の波長変換を行
う同じ種類の蛍光体11を一組としてもよい。
The phosphor 11 is not limited to the above-described embodiment, but may be a plate-shaped one instead of a coated one, or a combination of a plate-shaped one and a coated one. Good. Further, as one set of the phosphors 11, different types of phosphors 11 may be used as one set, and the same type of phosphors 11 that perform the same wavelength conversion may be used as one set.

【0021】次に本発明の照明灯の第二及び第三実施形
態について説明する。図3は本発明による照明灯の第二
実施形態を示す一部縦断側面図、図4は本発明による照
明灯の第三実施形態を示す一部縦断側面図である。
Next, second and third embodiments of the illumination lamp of the present invention will be described. FIG. 3 is a partially longitudinal side view showing a second embodiment of the illumination lamp according to the present invention, and FIG. 4 is a partially longitudinal side view showing a third embodiment of the illumination lamp according to the present invention.

【0022】図3に於ける照明灯1では、LED3とし
て青色LEDを使用し、基部9に嵌合されて着脱可能に
取り付けられている電球カバー12の形状は断面略コ字
形であって、電球カバー12の内面には蛍光体11が塗
設されている。前記蛍光体11には青色LEDの照明光
の発光波長を変換して白色光とする黄色の蛍光体を使用
している。その他の構成は第一実施形態の照明灯1と同
様である。本実施形態でLED3から照射された青色光
は黄色の蛍光体11を透過し、外部には照明光として望
ましい白色光として照射されるので、低コストで優れた
照明を行うことができる。
In the illumination lamp 1 shown in FIG. 3, a blue LED is used as the LED 3, and the shape of the light bulb cover 12 fitted to the base 9 and removably attached has a substantially U-shaped cross section. The phosphor 11 is coated on the inner surface of the cover 12. As the phosphor 11, a yellow phosphor that converts the emission wavelength of the illumination light of the blue LED into white light is used. Other configurations are the same as those of the illumination lamp 1 of the first embodiment. In the present embodiment, the blue light emitted from the LED 3 passes through the yellow phosphor 11 and is emitted to the outside as white light, which is desirable as illumination light, so that excellent illumination can be performed at low cost.

【0023】図4に於ける照明灯1では、LED3とし
て青色LEDを使用し、基部9に嵌合されて着脱可能に
取り付けられている電球カバー12の形状は板状に形成
されていると共に、支持部5は中央が下方に台形状に盛
り上がっており、板状の電球カバー12は支持部5の台
形の頂面5aにネジ13で螺着されている。そして、電
球カバー12の内面には蛍光体11が塗設されている。
前記蛍光体11には青色LEDの照明光の発光波長を変
換して白色光とする黄色の蛍光体を使用している。その
他の構成は第一及び第二実施形態の照明灯1とほぼ同様
である。本実施形態でもLED3から照射された青色光
は黄色の蛍光体11を透過し、外部には照明光として望
ましい白色光として照射されるので、低コストで優れた
照明を行うことができる。
In the illumination lamp 1 in FIG. 4, a blue LED is used as the LED 3, and the shape of the light bulb cover 12 fitted to the base 9 and removably attached is formed in a plate shape. The support 5 has a trapezoidal bulge at the center at the center, and the plate-shaped light bulb cover 12 is screwed to the trapezoidal top surface 5 a of the support 5 with screws 13. The phosphor 11 is coated on the inner surface of the light bulb cover 12.
As the phosphor 11, a yellow phosphor that converts the emission wavelength of the illumination light of the blue LED into white light is used. Other configurations are substantially the same as those of the illumination lamps 1 of the first and second embodiments. Also in the present embodiment, the blue light emitted from the LED 3 passes through the yellow phosphor 11 and is emitted to the outside as white light, which is desirable as illumination light, so that excellent illumination can be performed at low cost.

【0024】上記した実施形態の照明灯1は、複数配設
されたLED3の照明光方向に設けられた蛍光体11に
よりLED照明光の一部若しくは全部の発光波長の変換
を行って、波長変換後の照明光によって照明を行うもの
であるから、使用するLED3に対応した蛍光体11を
設け或いは蛍光体11の変更をすることにより、極めて
簡単に所望色調の照明光を得て良好な照明を行うことが
できる。この場合に個々のLED3に対して蛍光体11
を設ける必要がなく、複数配設されたLED3に対して
蛍光体11を一つ或いは一組設けること等から、照明灯
1は低コストなものとなる。
The illuminating lamp 1 of the above-described embodiment converts a part or all of the illuminating wavelength of the LED illuminating light by the phosphors 11 provided in the illuminating light direction of the plurality of LEDs 3 to perform wavelength conversion. Since the illumination is performed by the later illumination light, by providing the phosphor 11 corresponding to the LED 3 to be used or by changing the phosphor 11, it is possible to obtain the illumination light of the desired color tone very easily and obtain good illumination. It can be carried out. In this case, the phosphor 11
Need not be provided, and one or one set of the phosphors 11 is provided for the plurality of LEDs 3 provided, so that the illuminating lamp 1 is inexpensive.

【0025】なお上記実施形態の照明灯1で使用するL
ED3は上述した紫外線LED、青色LEDに限定され
ず、白色LEDなど適宜のLEDを使用することが可能
である。また蛍光体11は板状のものを固設するものや
蛍光塗料を塗設するものに限定されず、ラバー状のもの
など本発明の趣旨の範囲内で適宜のものを用いることが
可能であり、更に用いる蛍光体11には白色光を含めた
所望の照明光を得るために、使用するLED3に対応し
て所要の色のもの等を用いることができる。また照明灯
1は上記実施形態の電球式のものに限定されず、蛍光灯
式のもの等にも応用可能である。
Note that L used in the illumination lamp 1 of the above embodiment is
The ED 3 is not limited to the ultraviolet LED and the blue LED described above, and an appropriate LED such as a white LED can be used. Further, the phosphor 11 is not limited to a plate-shaped member fixedly provided or a member coated with a fluorescent paint, and an appropriate member within the scope of the present invention, such as a rubber-shaped member, can be used. In order to obtain desired illumination light including white light, the phosphor 11 to be used may be of a required color corresponding to the LED 3 to be used. Further, the illuminating lamp 1 is not limited to the light bulb type of the above embodiment, but can be applied to a fluorescent lamp type or the like.

【0026】[0026]

【発明の効果】本発明のLEDを用いた照明灯は上記構
成であるから、制御しきれない照明光が生ずる非効率性
がない、電力の光への変換比率が高い、発生熱量を白熱
灯や蛍光灯に比して抑制できる、点灯時の電圧を低くで
きる、寿命を長くできる、乱反射した光が直接目に入ら
ないような目に優しい照明光を実現できることに加え
て、低コストで非常に優れた照明を行うことができ、更
には所望の色調を簡単に得ることが可能でLEDを用い
た照明灯の汎用性を向上することができる効果を奏す
る。
The illumination lamp using the LED according to the present invention has the above-mentioned structure, so there is no inefficiency that uncontrollable illumination light is generated, the conversion ratio of electric power to light is high, and the amount of generated heat is incandescent lamp. In addition to being able to control compared to fluorescent lamps and fluorescent lamps, lowering the lighting voltage, prolonging the service life, and realizing eye-friendly illumination light that does not allow diffused light to enter the eyes directly, it is very low cost and extremely In addition, it is possible to achieve excellent lighting, to easily obtain a desired color tone, and to improve the versatility of the illumination lamp using the LED.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明による照明灯の第一実施形態を示す一部
縦断側面図。
FIG. 1 is a partially longitudinal side view showing a first embodiment of an illumination lamp according to the present invention.

【図2】(a)図1の照明灯に於けるLEDの配設領域
を示す平面図。 (b)図1の照明灯の裏面図。
FIG. 2A is a plan view showing a region where LEDs are arranged in the illumination lamp of FIG. 1; (B) The back view of the illumination lamp of FIG.

【図3】本発明による照明灯の第二実施形態を示す一部
縦断側面図。
FIG. 3 is a partially longitudinal side view showing a second embodiment of the illumination lamp according to the present invention.

【図4】本発明による照明灯の第三実施形態を示す一部
縦断側面図。
FIG. 4 is a partially longitudinal side view showing a third embodiment of the illumination lamp according to the present invention.

【符号の説明】[Explanation of symbols]

1 照明灯 2 LED基板 3 LED 4 放熱板 5 支持部 5a 頂面 6、13 ネジ 7 リード線 8 電源基板 9 基部 9a 段差 9b 放熱スリット 10 口金 11、11a、11b、11c 蛍光体 12 電球カバー DESCRIPTION OF SYMBOLS 1 Illumination lamp 2 LED board 3 LED 4 Heat sink 5 Support part 5a Top surface 6, 13 Screw 7 Lead wire 8 Power supply board 9 Base 9a Step 9b Heat dissipation slit 10 Base 11, 11a, 11b, 11c Phosphor 12 Light bulb cover

Claims (5)

【特許請求の範囲】[Claims] 【請求項1】 複数のLEDが所定方向に向けられて点
灯可能に配設され、複数配設された該LEDの該所定方
向の前方に一つ若しくは一組の蛍光体が設けられ、該L
EDの照明光の少なくとも一部が該蛍光体で波長変換さ
れ外部に照射されることを特徴とする照明灯。
1. A plurality of LEDs are provided so as to be turned on in a predetermined direction, and one or a set of phosphors is provided in front of the plurality of LEDs in the predetermined direction.
An illumination lamp, wherein at least a part of the illumination light of the ED is converted in wavelength by the phosphor and irradiated to the outside.
【請求項2】 前記蛍光体が該LEDの照明光の発光波
長を変換して照明光を白色にするものであることを特徴
とする請求項1記載の照明灯。
2. The illumination lamp according to claim 1, wherein the phosphor converts the emission wavelength of the illumination light of the LED to whiten the illumination light.
【請求項3】 前記蛍光体の少なくとも一部が電球カバ
ーの内面に固設若しくは塗設されていることを特徴とす
る請求項1又は2記載の照明灯。
3. The illumination lamp according to claim 1, wherein at least a part of the phosphor is fixed or coated on an inner surface of the light bulb cover.
【請求項4】 電球のソケットにねじ込み可能な口金が
設けられていることを特徴とする請求項1、2又は3記
載の照明灯。
4. The illuminating lamp according to claim 1, wherein a socket capable of being screwed is provided in a socket of the electric bulb.
【請求項5】 前記LEDが略ドーナツ形に複数配設さ
れていることを特徴とする請求項1、2、3又は4記載
の照明灯。
5. The illuminating lamp according to claim 1, wherein a plurality of said LEDs are arranged in a substantially donut shape.
JP2000106201A 2000-04-07 2000-04-07 Lighting Withdrawn JP2001291406A (en)

Priority Applications (1)

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