JP4989394B2 - Surface emitting lighting device - Google Patents

Surface emitting lighting device Download PDF

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JP4989394B2
JP4989394B2 JP2007245957A JP2007245957A JP4989394B2 JP 4989394 B2 JP4989394 B2 JP 4989394B2 JP 2007245957 A JP2007245957 A JP 2007245957A JP 2007245957 A JP2007245957 A JP 2007245957A JP 4989394 B2 JP4989394 B2 JP 4989394B2
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magnetic
power supply
emitting
surface emitting
light source
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JP2009076387A (en
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真理 藤本
明則 平松
隆雄 宮井
理 棚橋
隆介 小寺
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Panasonic Corp
Panasonic Holdings Corp
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Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Description

本発明は、面発光照明装置に関するものである。   The present invention relates to a surface emitting illumination device.

従来より提供されている面発光光源を壁面などに固定する場合、機械的に固定（例えば、壁面に取り付けた枠にねじ固定、又は、接着材を用いた接着固定など）するのが一般的である（例えば特許文献１参照）。この固定方法では、コ字型に形成された一対の防振部材が接着材を用いて固定基体に取り付けられ、各防振部材の対向する凹部内に面発光光源の周縁部をそれぞれ差し込むことで、面発光光源が両防振部材に挟持され、面発光光源が固定基体に固定される。
特開２０００−２６８９５３号公報（段落［００１２］−段落［００１８］、及び、第１図−第２図） When fixing a surface emitting light source provided conventionally to a wall surface or the like, it is generally fixed mechanically (for example, screw fixing to a frame attached to the wall surface or adhesion fixing using an adhesive). Yes (see, for example, Patent Document 1). In this fixing method, a pair of anti-vibration members formed in a U-shape are attached to a fixed base using an adhesive, and the peripheral portions of the surface emitting light source are respectively inserted into the opposing recesses of the anti-vibration members. The surface emitting light source is sandwiched between the vibration isolating members, and the surface emitting light source is fixed to the fixed base.
JP 2000-268953 A (paragraph [0012] -paragraph [0018] and FIGS. 1 to 2)

上述の特許文献１に示した固定方法やねじ固定の場合、一度固定すると面発光光源の位置調整が困難であり、特に大型の面発光モジュールや拡張性のある面発光モジュールを用いた場合には、柔軟性に欠けるという問題があった。   In the case of the fixing method and screw fixing shown in the above-mentioned Patent Document 1, it is difficult to adjust the position of the surface emitting light source once it is fixed, especially when a large surface emitting module or an expandable surface emitting module is used. There was a problem of lack of flexibility.

本発明は上記問題点に鑑みて為されたものであり、その目的とするところは、面発光モジュールの位置調整を容易にした面発光照明装置を提供することにある。   The present invention has been made in view of the above problems, and an object of the present invention is to provide a surface-emitting illumination device that facilitates position adjustment of the surface-emitting module.

請求項１の発明は、面発光光源、及び、面発光光源の発光面側と反対側に配置された磁性部を具備した面発光モジュールと、磁気抵抗に応じた起磁力により磁性部を吸着する磁気吸着部、及び、面発光光源に給電するための給電部を具備した給電ユニットとを備え、面発光光源は、透明基板の一面に透明電極、発光層及び非透過電極を積層して成り、透明電極及び非透過電極がそれぞれ磁性体で形成され、透明電極及び非透過電極において給電部と電気的に接続される引き出し部が磁性部として兼用されることを特徴とする。 According to the first aspect of the present invention, a surface emitting light source, a surface emitting module including a magnetic portion disposed on the side opposite to the light emitting surface side of the surface emitting light source, and a magnetic portion are attracted by a magnetomotive force corresponding to the magnetic resistance. A magnetic adsorption unit and a power supply unit including a power supply unit for supplying power to the surface light source, and the surface light source is formed by laminating a transparent electrode, a light emitting layer, and a non-transparent electrode on one surface of the transparent substrate, The transparent electrode and the non-transparent electrode are each formed of a magnetic material, and the lead portion electrically connected to the power feeding portion in the transparent electrode and the non-transparent electrode is also used as the magnetic portion .

請求項２の発明は、磁気吸着部は、電磁石であることを特徴とする。 The invention of claim 2 is characterized in that the magnetic attracting portion is an electromagnet.

請求項１の発明によれば、面発光モジュール側に設けた磁性部を、給電ユニット側に設けた磁気吸着部の起磁力により吸着させることによって面発光モジュールを固定しているので、面発光モジュールを容易に着脱することができ、且つ、面発光モジュールの位置調整を容易に行うことができるという効果がある。   According to the first aspect of the present invention, the surface emitting module is fixed by adsorbing the magnetic portion provided on the surface emitting module side by the magnetomotive force of the magnetic attracting portion provided on the power feeding unit side. Can be easily attached and detached, and the position of the surface emitting module can be easily adjusted.

また、面発光光源を形成する透明電極及び非透過電極の引き出し部が磁性部として兼用されるので、磁性部を別に設けなくてもよく、部品点数を削減することができるという効果がある。 Further, since the lead portion of the transparent electrode and the non-transparent electrode to form a surface-emitting light source is also used as a magnetic part, may not provide a separate magnetic part, there is an effect that it is possible to reduce the number of parts.

請求項２の発明によれば、磁気吸着部を電磁石により構成しているので、面発光モジュールを固定する場合には電磁石のコイルに電源を供給することによって強固に固定することができるとともに、面発光モジュールを取り外す場合にはコイルへの電源供給をオフすることによって容易に取り外すことができ、さらに面発光モジュールの位置調整も容易に行うことができるという効果がある。 According to the second aspect of the present invention, since the magnetic attraction portion is composed of an electromagnet, when the surface light emitting module is fixed, it can be firmly fixed by supplying power to the coil of the electromagnet. When removing the light emitting module, it can be easily removed by turning off the power supply to the coil, and the position of the surface light emitting module can be easily adjusted.

本発明の実施形態を図１〜図７に基づいて説明する。本実施形態の面発光照明装置は、例えば壁面などに取り付けられ、室内などを照明するために用いられる。   An embodiment of the present invention will be described with reference to FIGS. The surface-emitting illuminating device of the present embodiment is attached to, for example, a wall surface and used for illuminating a room or the like.

この面発光照明装置は、図１及び図２に示すように、略矩形平面状の面発光光源１、及び、面発光光源１の発光面側と反対側（図１中の右側）に配置された磁性部２を具備した面発光モジュールＡと、例えば電磁石からなり磁気抵抗に応じた起磁力により磁性部２を吸着する磁気吸着部３、及び、面発光光源１に給電するための給電部４を具備した給電ユニットＢとを備えている。尚、図１及び図２は、面発光光源１への給電状態を模式的に示したものであり、磁気吸着部３への給電回路は省略している。   As shown in FIGS. 1 and 2, the surface-emitting illumination device is disposed on a substantially rectangular planar surface-emitting light source 1 and on the side opposite to the light-emitting surface side of the surface-emitting light source 1 (on the right side in FIG. 1). The surface emitting module A provided with the magnetic part 2, a magnetic attracting part 3 made of, for example, an electromagnet and attracting the magnetic part 2 by a magnetomotive force corresponding to the magnetic resistance, and a power feeding part 4 for feeding power to the surface emitting light source 1. And a power supply unit B. 1 and 2 schematically show a power supply state to the surface emitting light source 1, and a power supply circuit to the magnetic adsorption unit 3 is omitted.

面発光光源１は、例えば所謂有機ＥＬ素子であって、透光性を有する絶縁材料（例えば、ガラスやＰＥＴなど）からなる透明基板１０を有し、透明基板１０の一面（図１中の右側面）には、例えばインジウム−スズ酸化物（ＩＴＯ）のような透光性を有する導電材料からなる透明電極（陽極電極）１１、光を発生させる有機発光層１２、及び、例えば銀やアルミニウムなどの金属材料からなる非透過電極（陰極電極）１３が順次積層されている。ここに、図１中の透明基板１０の左側の面により光取り出し面が構成されている。   The surface emitting light source 1 is, for example, a so-called organic EL element, and includes a transparent substrate 10 made of a translucent insulating material (for example, glass, PET, etc.), and one surface of the transparent substrate 10 (right side in FIG. 1). Surface), for example, a transparent electrode (anode electrode) 11 made of a light-transmitting conductive material such as indium-tin oxide (ITO), an organic light emitting layer 12 for generating light, and, for example, silver or aluminum Non-transparent electrodes (cathode electrodes) 13 made of these metal materials are sequentially laminated. Here, the light extraction surface is constituted by the left surface of the transparent substrate 10 in FIG.

また、透明基板１０には、例えばシリコーン樹脂などからなる封止材１４が取り付けられ、透明電極１１、有機発光層１２及び非透過電極１３を封止しており、この封止材１４として例えばフィルム状のものを用いた場合には、図６に示すような曲面状の給電ユニットＢに対しても容易に取付けることができる。さらに、透明電極１１及び非透過電極１３は、図１に示すように一方の端部がそれぞれ封止材１４により封止されていない部位まで延設されており、給電部４と電気的に接続される接続部（引き出し部）１１ａ、１３ａを構成している（図１及び図４参照）。尚、これらの接続部１１ａ、１３ａは、透明基板１０の短手方向（図２中の左右方向）の全幅に渡って設けられている。   Further, a sealing material 14 made of, for example, a silicone resin is attached to the transparent substrate 10, and the transparent electrode 11, the organic light emitting layer 12, and the non-transmissive electrode 13 are sealed. When the shape is used, it can be easily attached to a curved power supply unit B as shown in FIG. Further, as shown in FIG. 1, the transparent electrode 11 and the non-transmissive electrode 13 are extended to a portion where one end is not sealed by the sealing material 14, and is electrically connected to the power feeding portion 4. Connecting portions (drawing portions) 11a and 13a are configured (see FIGS. 1 and 4). These connecting portions 11a and 13a are provided over the entire width of the transparent substrate 10 in the short direction (left and right direction in FIG. 2).

透明電極１１の接続部１１ａ及び非透過電極１３の接続部１３ａの表面（図１中の右面）には、例えば鉄やニッケルやコバルトなどの磁性体が全体にメッキされ、磁性部２が形成されている。この磁性部２は、給電ユニットＢの幅寸法（図１中の上下方向の寸法）よりも大きな幅寸法に形成されており、給電ユニットＢに対して上下方向に位置調整が行えるようになっている。尚、鉄などの接続部１１ａ、１３ａへの取着方法はメッキに限定されるものではなく、蒸着や塗装や貼付などであってもよい。   The surface of the connection part 11a of the transparent electrode 11 and the connection part 13a of the non-transparent electrode 13 (the right surface in FIG. 1) is entirely plated with a magnetic material such as iron, nickel, or cobalt to form the magnetic part 2. ing. The magnetic part 2 is formed to have a width that is larger than the width of the power supply unit B (the vertical dimension in FIG. 1), and can be adjusted in the vertical direction with respect to the power supply unit B. Yes. In addition, the attachment method to the connection parts 11a and 13a, such as iron, is not limited to plating, but may be vapor deposition, painting, pasting, or the like.

この面発光モジュールＡでは、直流電源ＤＣから透明電極１１及び非透過電極１３を介して面発光光源１に給電されると、透明電極１１から放出された正孔及び非透過電極１３から放出された電子が有機発光層１２に注入され、有機発光層１２内で結合する。この結合が起こった際のエネルギーで有機発光層１２内の周りの有機分子が励起され、これらの有機分子が励起状態から再び基底状態に戻る際に光を発生する。有機発光層１２内で発生した光は、非透過電極（金属電極）１３を反射板として透明電極１１及び透明基板１０を透過して被照射面に照射される。   In this surface emitting module A, when power is supplied from the DC power source DC to the surface emitting light source 1 through the transparent electrode 11 and the non-transmissive electrode 13, holes emitted from the transparent electrode 11 and emitted from the non-transmissive electrode 13 are emitted. Electrons are injected into the organic light emitting layer 12 and are combined in the organic light emitting layer 12. The organic molecules around the organic light emitting layer 12 are excited by the energy when this coupling occurs, and light is generated when these organic molecules return from the excited state to the ground state again. The light generated in the organic light emitting layer 12 passes through the transparent electrode 11 and the transparent substrate 10 using the non-transmissive electrode (metal electrode) 13 as a reflection plate, and is irradiated on the irradiated surface.

給電ユニットＢは、図５に示すように、例えば樹脂などの絶縁材料からなる長尺の角筒状のケース５を有し、ケース５内には磁気吸着部３が収納されており、また面発光光源１に給電するための給電部４が一部をケース５の前面（図５中の左側）に露出させた状態で取り付けられている。尚、本実施形態の面発光照明装置では、図１に示すように上記給電ユニットＢが２個１組として用いられる。   As shown in FIG. 5, the power supply unit B includes a long rectangular tube case 5 made of an insulating material such as a resin, in which the magnetic attracting portion 3 is housed. A power supply unit 4 for supplying power to the light emitting light source 1 is attached in a state where a part thereof is exposed on the front surface of the case 5 (left side in FIG. 5). In the surface-emitting illumination device according to the present embodiment, as shown in FIG. 1, two power supply units B are used as one set.

各磁気吸着部３は、図５に示すように、長尺角柱状の鉄芯３１と、鉄心３１の長手方向（図５中の前後方向）に沿って巻装されたコイル３２とで構成された電磁石であり、各コイル３２の両端は、図３に示すように直流電源ＤＣの両端にそれぞれ接続され、コイル３２の一端と直流電源ＤＣの一端との間には、各コイル３２への電源供給をオン／オフするためのスイッチ６ｂが接続されている。而して、このスイッチ６ｂをオンすると、各コイル３２に直流電源ＤＣが供給されて各コイル３２が磁化し、逆にスイッチ６ｂをオフすると、各コイル３２への電源供給がオフされて各コイル３２が非磁化される。   As shown in FIG. 5, each magnetic attracting portion 3 includes a long prismatic iron core 31 and a coil 32 wound along the longitudinal direction of the iron core 31 (the front-rear direction in FIG. 5). As shown in FIG. 3, both ends of each coil 32 are respectively connected to both ends of a DC power source DC, and a power source for each coil 32 is between one end of the coil 32 and one end of the DC power source DC. A switch 6b for turning on / off the supply is connected. Thus, when the switch 6b is turned on, the DC power source DC is supplied to each coil 32, and each coil 32 is magnetized. Conversely, when the switch 6b is turned off, the power supply to each coil 32 is turned off and each coil is turned off. 32 is demagnetized.

各給電部４は、図５に示すように、例えば導電性の高い銅などの導電材料により長尺角柱状に形成され、一方（図１中の上側）の給電部４は、図３に示すように直流電源ＤＣのプラス極に接続され、他方（図１中の下側）の給電部４は直流電源ＤＣのマイナス極に接続される。また、一方の給電部４と直流電源ＤＣのプラス極との間（他方の給電部４と直流電源ＤＣのマイナス極との間でもよい）には、各給電部４への電源供給をオン／オフするためのスイッチ６ａが接続されている。ここにおいて、スイッチ６ａ、６ｂは、図６に示すように電源装置６の前面に設けられており、各給電部４及び各コイル３２には電源線８を介して直流電源ＤＣが供給されるようになっている。   As shown in FIG. 5, each power supply unit 4 is formed in a long prismatic shape using a conductive material such as copper having high conductivity, for example, and one (upper side in FIG. 1) of the power supply unit 4 is shown in FIG. 3. Thus, the other power supply unit 4 (the lower side in FIG. 1) is connected to the negative pole of the DC power supply DC. In addition, power supply to each power supply unit 4 is turned on / off between one power supply unit 4 and the positive pole of the DC power supply DC (may be between the other power supply unit 4 and the negative electrode of the DC power supply DC). A switch 6a for turning off is connected. Here, the switches 6 a and 6 b are provided on the front surface of the power supply device 6 as shown in FIG. 6, and the DC power supply DC is supplied to the power feeding units 4 and the coils 32 via the power supply line 8. It has become.

ここで、この面発光照明装置の施工方法について図６に基づいて説明する。まず、２個１組の給電ユニットＢ、Ｂを所定の間隔（面発光光源１の上下方向の寸法）を空けて配置し、各給電ユニットＢをそれぞれ固定ねじ７を用いて壁面などに固定する。次に、面発光モジュールＡを、接続部１１ａ側を上に、接続部１３ａ側を下にした状態で磁性部２側から給電ユニットＢ、Ｂに近づけて、面発光モジュールＡの取付位置を調整する。その後、電源装置６のスイッチ６ｂをオンし、各磁気吸着部３のコイル３２にそれぞれ直流電源ＤＣを供給して各磁気吸着部３を磁化させると、各磁気吸着部３の起磁力により面発光モジュールＡの各磁性部２が対応する磁気吸着部３に吸着され、面発光モジュールＡが各給電ユニットＢに強固に取り付けられる。尚、この状態において、面発光光源１の透明電極１１及び非透過電極１３は、各磁性部２を介してそれぞれ対応する給電部４と電気的に接続される。   Here, the construction method of this surface emitting illumination device will be described with reference to FIG. First, a set of two power supply units B and B are arranged at a predetermined interval (the vertical dimension of the surface emitting light source 1), and each power supply unit B is fixed to a wall surface or the like using a fixing screw 7, respectively. . Next, the surface emitting module A is moved closer to the power feeding units B and B from the magnetic unit 2 side with the connecting part 11a side up and the connecting part 13a side down, and the mounting position of the surface emitting module A is adjusted. To do. Thereafter, when the switch 6b of the power supply device 6 is turned on and the DC power source DC is supplied to the coil 32 of each magnetic attracting unit 3 to magnetize each magnetic attracting unit 3, surface emission is generated by the magnetomotive force of each magnetic attracting unit 3. Each magnetic part 2 of the module A is attracted to the corresponding magnetic attracting part 3, and the surface emitting module A is firmly attached to each power supply unit B. In this state, the transparent electrode 11 and the non-transmissive electrode 13 of the surface emitting light source 1 are electrically connected to the corresponding power feeding units 4 through the magnetic units 2.

逆に、面発光モジュールＡを給電ユニットＢ、Ｂから取り外す場合には、電源装置６のスイッチ６ｂをオフし、各磁気吸着部３のコイル３２への電源供給をオフすることによって、各磁気吸着部３の起磁力が失われるので、面発光モジュールＡを容易に取り外すことができ、また各磁気吸着部３のコイル３２への電源供給をオン／オフすることによって、面発光モジュールＡの位置調整を容易に行うことができる。   Conversely, when removing the surface emitting module A from the power supply units B and B, the magnetic adsorption is performed by turning off the switch 6b of the power supply device 6 and turning off the power supply to the coil 32 of each magnetic adsorption unit 3. Since the magnetomotive force of the portion 3 is lost, the surface emitting module A can be easily removed, and the position adjustment of the surface emitting module A is performed by turning on / off the power supply to the coil 32 of each magnetic attracting portion 3. Can be easily performed.

ここで、本実施形態では、磁気吸着部３として電磁石を用いた場合を例に説明したが、例えばフェライト磁石やアルニコ磁石などの永久磁石、フェライト磁石などの磁石を砕いてゴムなどに練りこんだボンド磁石と呼ばれる複合磁石であってもよい。この場合、電磁石と同様に面発光モジュールＡを容易に着脱できるとともに、面発光モジュールＡの位置調整を容易に行うことができ、またコイルへの給電装置が不要になるので、部品点数を削減することもできる。また、磁気吸着部３として永久磁石や複合磁石を用いた場合には、上記永久磁石や複合磁石に給電部４を一体的に設けてもよく、この場合磁気吸着部３や給電部４を収納するケースが不要になるので、部品点数をさらに削減することができる。   Here, in the present embodiment, the case where an electromagnet is used as the magnetic adsorption unit 3 has been described as an example. For example, a permanent magnet such as a ferrite magnet or an alnico magnet, or a magnet such as a ferrite magnet is crushed and kneaded into rubber or the like. A composite magnet called a bond magnet may be used. In this case, similarly to the electromagnet, the surface emitting module A can be easily attached and detached, the position of the surface emitting module A can be easily adjusted, and a power feeding device to the coil is not necessary, so that the number of parts is reduced. You can also. Further, when a permanent magnet or a composite magnet is used as the magnetic attracting portion 3, the power feeding portion 4 may be provided integrally with the permanent magnet or the composite magnet. In this case, the magnetic attracting portion 3 or the power feeding portion 4 is accommodated. Since the case to do is unnecessary, the number of parts can be further reduced.

さらに、図７に示すように面発光光源１を構成する透明電極１１及び非透過電極１３を磁性体で形成し、各電極の接続部１１ａ、１３ａ（図７では接続部１１ａのみ図示）が磁性部を兼用するように構成してもよい。この場合、磁性部を別に設けなくてもいいので、部品点数を削減することができる。   Further, as shown in FIG. 7, the transparent electrode 11 and the non-transmissive electrode 13 constituting the surface-emitting light source 1 are formed of a magnetic material, and the connection portions 11a and 13a of each electrode (only the connection portion 11a is shown in FIG. 7) are magnetic. You may comprise so that a part may be shared. In this case, it is not necessary to provide a separate magnetic part, so the number of parts can be reduced.

本実施形態の面発光照明装置の動作を説明する説明図である。It is explanatory drawing explaining operation | movement of the surface emitting illumination apparatus of this embodiment. 同上の面発光照明装置の分解斜視図である。It is a disassembled perspective view of the surface emitting illumination device same as the above. 同上に用いられる給電ユニットの回路図である。It is a circuit diagram of the electric power feeding unit used for the same as the above. 同上の面発光照明装置に用いられる面発光モジュールの一部破断せる断面図である。It is sectional drawing which fractures | ruptures partially the surface emitting module used for the surface emitting illumination apparatus same as the above. 同上の面発光照明装置に用いられる給電ユニットの断面図である。It is sectional drawing of the electric power feeding unit used for the surface emitting illumination device same as the above. 同上の他の面発光照明装置の分解斜視図である。It is a disassembled perspective view of the other surface emitting illumination device same as the above. 同上の他の面発光照明装置に用いられる面発光モジュールの一部破断せる断面図である。It is sectional drawing which fractures | ruptures partially the surface emitting module used for the other surface emitting illumination apparatus same as the above.

符号の説明Explanation of symbols

１ 面発光光源
２ 磁性部
３ 磁気吸着部
４ 給電部
Ａ 面発光モジュール
Ｂ 給電ユニット DESCRIPTION OF SYMBOLS 1 Surface emitting light source 2 Magnetic part 3 Magnetic adsorption part 4 Feeding part A Surface emitting module B Feeding unit

Claims (2)

面発光光源、及び、前記面発光光源の発光面側と反対側に配置された磁性部を具備した面発光モジュールと、磁気抵抗に応じた起磁力により前記磁性部を吸着する磁気吸着部、及び、前記面発光光源に給電するための給電部を具備した給電ユニットとを備え、
前記面発光光源は、透明基板の一面に透明電極、発光層及び非透過電極を積層して成り、前記透明電極及び前記非透過電極がそれぞれ磁性体で形成され、前記透明電極及び前記非透過電極において前記給電部と電気的に接続される引き出し部が前記磁性部として兼用されることを特徴とする面発光照明装置。 Surface-emitting light source, and, a magnetic suction unit for sucking the light-emitting surface side and the surface-emitting module provided with the magnetic portion disposed on the opposite side of the magnetic part by the magnetomotive force according to the magnetic resistance of the surface-emitting light source, and , and a power supply unit provided with the power supply unit for supplying power to said surface light emitting source,
The surface-emitting light source is formed by laminating a transparent electrode, a light-emitting layer, and a non-transmissive electrode on one surface of a transparent substrate, and the transparent electrode and the non-transmissive electrode are each formed of a magnetic material, and the transparent electrode and the non-transmissive electrode A surface emitting illumination device according to claim 1, wherein a lead portion electrically connected to the power feeding portion is also used as the magnetic portion . 前記磁気吸着部は、電磁石であることを特徴とする請求項１記載の面発光照明装置。 The surface-emitting illumination device according to claim 1 , wherein the magnetic adsorption unit is an electromagnet .
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