JP2006331856A - Lighting device - Google Patents

Lighting device Download PDF

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JP2006331856A
JP2006331856A JP2005153864A JP2005153864A JP2006331856A JP 2006331856 A JP2006331856 A JP 2006331856A JP 2005153864 A JP2005153864 A JP 2005153864A JP 2005153864 A JP2005153864 A JP 2005153864A JP 2006331856 A JP2006331856 A JP 2006331856A
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Prior art keywords
light source
emitting light
electrode
frame body
contact
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JP2005153864A
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JP4507982B2 (en
Inventor
Osamu Tanahashi
理 棚橋
Nobuhiro Ide
伸弘 井出
Yosuke Kondo
陽介 近藤
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Panasonic Electric Works Co Ltd
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Matsushita Electric Works Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • F21Y2115/15—Organic light-emitting diodes [OLED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/20—Electroluminescent [EL] light sources

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Planar Illumination Modules (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lighting device capable of preventing damage to an electrode thin film caused by the attachment and detachment of a plane-light-emitting light source. <P>SOLUTION: The plane-light-emitting light source 1 has connection electrodes 7, 8 at its edges. A frame body 2 has contact parts 3 connected to the connection electrodes 7, 8 to cover the edges of the plane-light-emitting light source 1. The contact parts 3 are provided with inside connecting parts 3a fitted at the inner face of the frame body 2 connected to the connection electrodes 7, 8 and outside connecting parts fitted at the outer face of the frame body 2 connected to the inner connecting parts 3a. The frame body 2 is made by combining a plurality divided pieces 2a, 2b, each 2a, 2b provided with a contact part. The attachment and detachment of the plane-light-emitting light source 1 to and from a fixture main body for replacement or the like are performed integrally with the frame body 2, and electric conduction with the fixture main body is performed by the contact parts 3 fitted to the frame body 2. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、ＥＬ（エレクトロルミネッセンス）光源に代表される面発光光源を用いた照明装置に関するものである。   The present invention relates to an illumination device using a surface-emitting light source typified by an EL (electroluminescence) light source.

有機ＥＬ光源は、一般に透明基板の片側の表面に、透明電極からなる陽極層、ホール輸送層、発光層、電子注入層、陰極層の各層をこの順序で積層した構成である。陽極層と陰極層の間に電圧を印加することによって、陰極層側から注入された電子と陽極層側から注入されたホールが発光層内で再結合し、これによって発光層で発光した光が透明電極および透明基板を通して取り出される。   The organic EL light source generally has a structure in which an anode layer, a hole transport layer, a light emitting layer, an electron injection layer, and a cathode layer made of a transparent electrode are laminated in this order on one surface of a transparent substrate. By applying a voltage between the anode layer and the cathode layer, the electrons injected from the cathode layer side and the holes injected from the anode layer side recombine in the light emitting layer, so that the light emitted from the light emitting layer is emitted. It is taken out through the transparent electrode and the transparent substrate.

透明基板は、気密性、表面の平滑性、耐熱性などの点から一般的にガラスが用いられる。また、その上に形成される電極層および発光層などの各層は、均一な薄膜である必要から、蒸着などの手法で形成される。   As the transparent substrate, glass is generally used in terms of airtightness, surface smoothness, heat resistance, and the like. In addition, each layer such as an electrode layer and a light emitting layer formed thereon is formed by a technique such as vapor deposition because it needs to be a uniform thin film.

蒸着で形成された電極は、厚さ１０００Å程度の極薄膜であり、この薄膜は、引っかきなどの物理的衝撃に弱いのが一般的である。そのため、電極薄膜にメタライズ処理をするなどして薄膜上にさらに導電性の膜を保護膜として形成するとか、陽極、陰極にそれぞれ電線等を付けて配線し別の個所で着脱させるのが一般的である。   The electrode formed by vapor deposition is an extremely thin film having a thickness of about 1000 mm, and this thin film is generally weak against physical impact such as scratching. For this reason, it is common to form a conductive film as a protective film on the thin film by metallizing the electrode thin film, etc. It is.

ところで、有機ＥＬ光源の寿命（一般的に輝度が高いほど寿命が短い）は、例えば輝度１０００ｃｄ／ｍ２ の白色有機ＥＬの場合、数１０００時間程度である。したがって、照明装置用の光源として用いる場合、有機ＥＬ光源は、交換のために照明器具から着脱できる構造でなければならない。着脱できる構造にすれば、清掃など有機ＥＬ光源の交換以外にも利用することが可能で、その場合電極は着脱の際に起こる摩擦や衝撃に耐えうる必要がある。 By the way, the lifetime of the organic EL light source (generally, the lifetime is shorter as the luminance is higher) is, for example, about several thousand hours in the case of a white organic EL having a luminance of 1000 cd / m 2 . Therefore, when used as a light source for an illuminating device, the organic EL light source must have a structure that can be detached from the luminaire for replacement. If the structure is detachable, it can be used for purposes other than replacement of the organic EL light source such as cleaning, and in this case, the electrode needs to be able to withstand friction and impact that occur during the detachment.

従来例（特許文献１参照）によれば、面発光光源に接続用電極を設け、面発光光源を収納する透明ケースに、接続用電極に接触する接点部が設けられ、面発光光源を透明ケースから取り出せば交換でき、また透明ケース内で面発光光源の位置をずらせば接続用電極と接点部を接触させたり離間させることができる。
特開平６−２２３９７２号公報 According to a conventional example (see Patent Document 1), a connection electrode is provided in a surface emitting light source, a contact portion that contacts the connection electrode is provided in a transparent case that houses the surface emitting light source, and the surface emitting light source is used as a transparent case. The connection electrode and the contact portion can be brought into contact with or separated from each other by shifting the position of the surface emitting light source in the transparent case.
JP-A-6-223972

電極は一般的にインジウム−錫酸化物（ＩＴＯ）、インジウム−亜鉛酸化物（ＩＺＯ）などが用いられ、それがガラス基板上に極薄膜（厚さ１０００Å程度）として形成される。そのため電極薄膜は電極として通電性能は十分でも比較的もろい。その上メタライズ処理された膜も程度に差はあれ、引っかきなどに弱い。   In general, indium-tin oxide (ITO), indium-zinc oxide (IZO), or the like is used as the electrode, which is formed as an ultrathin film (thickness of about 1000 mm) on a glass substrate. Therefore, the electrode thin film is relatively fragile even if the current carrying performance is sufficient as an electrode. In addition, the metallized film is also vulnerable to scratches to some extent.

一方、電極薄膜を着脱の際の電気的接点として利用する場合、器具側の接点は、電気的に確実な接続を行うためにこの薄膜に対して十分な圧力で接する必要がある。また、着脱させる際に、有機ＥＬ光源が器具に対して電極表面と平行方向に移動するため、電極に傷ができる構造になる。したがって、着脱を何度も繰り返せば、薄膜は電気接点としての機能を果たさなくなるおそれがある。そのため、電気接点として機能させるには、例えば薄膜の上に接点となる別の導電部材を付けるなどの対策が必要である。   On the other hand, when the electrode thin film is used as an electrical contact at the time of attachment / detachment, the contact on the appliance side needs to be in contact with the thin film with sufficient pressure to make an electrical reliable connection. Moreover, when attaching and detaching, the organic EL light source moves in a direction parallel to the electrode surface with respect to the instrument, so that the electrode can be damaged. Therefore, if the attachment / detachment is repeated many times, the thin film may not function as an electrical contact. Therefore, in order to function as an electrical contact, it is necessary to take measures such as attaching another conductive member to be a contact on the thin film.

したがって、この発明の目的は、面発光光源の着脱によって電極薄膜を傷付けることを防止することができる照明装置を提供することである。   Accordingly, an object of the present invention is to provide an illumination device that can prevent an electrode thin film from being damaged by attaching and detaching a surface emitting light source.

この発明の照明装置は、面発光光源が接続用電極を縁部に有する。枠体は前記接続用電極に接続する接点部を有して前記面発光光源の前記縁部を覆う。前記接点部は前記枠体の内面に設けられて前記接続用電極に接続する内側接続部と、前記枠体の外面に設けられて前記内側接続部に接続された外側接続部とを有する。   In the illumination device of the present invention, the surface-emitting light source has a connection electrode at the edge. The frame has a contact portion connected to the connection electrode and covers the edge portion of the surface-emitting light source. The contact portion includes an inner connection portion provided on an inner surface of the frame body and connected to the connection electrode, and an outer connection portion provided on an outer surface of the frame body and connected to the inner connection portion.

上記構成において、前記枠体は複数の分割片を組み合わせてなり、各分割片はそれぞれ接点部を有する。   The said structure WHEREIN: The said frame body combines a some division | segmentation piece, and each division | segmentation piece has a contact part, respectively.

上記構成において、前記面発光光源は複数有する。   The said structure has multiple said surface emitting light sources.

この発明の照明装置によれば、面発光光源に枠体を設けたものであり、器具本体等の支持体に対する面発光光源の交換等のための着脱は枠体を一体として行い、支持体との電気的導通は枠体に備えた接点部で行う。そのため、照明装置を器具本体等に対して着脱する際に枠体の接点部が器具本体側の接点部と接離するので、着脱回数が増えても面発光光源の電極薄膜を傷付けることがない。また枠体が面発光光源を構成する基板の補強および緩衝材として機能するので、有機ＥＬ光源の割れなどを防止でき、さらにはガラス基板の場合そのエッジを覆うことによりエッジによる怪我を防止することができる。   According to the illumination device of the present invention, the surface light source is provided with a frame, and the attachment and detachment for replacement of the surface light source with respect to the support such as the instrument body is performed integrally with the frame. The electrical continuity is performed at a contact portion provided in the frame. Therefore, when attaching / detaching the lighting device to / from the fixture main body, etc., the contact portion of the frame body contacts and separates from the contact portion on the fixture main body side, so that the electrode thin film of the surface emitting light source is not damaged even if the number of attachment / detachment increases. . In addition, since the frame functions as a reinforcement and cushioning material for the substrate that constitutes the surface emitting light source, the organic EL light source can be prevented from cracking, and in the case of a glass substrate, the edge is covered to prevent injury due to the edge. Can do.

この発明の第１の実施の形態を図１により説明する。すなわち、この照明装置は、面発光光源１と、枠体２とを有する。１０は器具本体である。   A first embodiment of the present invention will be described with reference to FIG. That is, this illumination device has a surface emitting light source 1 and a frame 2. Reference numeral 10 denotes an instrument body.

面発光光源１は例えば有機ＥＬ光源であり、ホール輸送層、発光層および電子注入層を順次積層した構成を有する有機ＥＬ発光層の両面に電極膜を積層し、一方の電極膜を透明としたもので透明の基板に支持して金属カバー等で密閉封止されている。そして透明な電極膜側を発光面とし、基板の両端にそれぞれ例えばピンを用いた接続用電極７、８を設け、接続用電極７を一方の電極膜と接続し、接続用電極８を他方の電極膜と接続している。   The surface-emitting light source 1 is, for example, an organic EL light source, and electrode films are stacked on both surfaces of an organic EL light-emitting layer having a structure in which a hole transport layer, a light-emitting layer, and an electron injection layer are sequentially stacked, and one electrode film is transparent. It is supported by a transparent substrate and hermetically sealed with a metal cover or the like. The transparent electrode film side is the light emitting surface, and connection electrodes 7 and 8 using, for example, pins are provided on both ends of the substrate, the connection electrode 7 is connected to one electrode film, and the connection electrode 8 is connected to the other electrode. It is connected to the electrode film.

枠体２は、面発光光源１の周縁部の全体を覆うものであり、２つに分割した例えばプラスチック製の分割片２ａ、２ｂからなる。各分割片２ａ、２ｂはコ字形であり、分割片２ａ、２ｂの中央部に接点部３を有し、両側部の内側に面発光光源１の両側を嵌合する溝４を形成している。接点部３は分割片２ａ、２ｂの中央部の内側に内側接続部３ａを有し、外側に外側接続部３ｂを有し、内側接続部３ａと外側接続部３ｂは導通している。内側接続部３ａは接続用電極７、８を嵌合する穴部を有する。また分割片２ａ、２ｂの両端は相欠け継ぎ可能な切欠き５、６を設け、連結手段（図示せず）により連結する。   The frame 2 covers the entire peripheral edge of the surface emitting light source 1, and is composed of, for example, plastic divided pieces 2a and 2b divided into two. Each of the divided pieces 2a and 2b is U-shaped, has a contact portion 3 at the center of the divided pieces 2a and 2b, and has a groove 4 that fits both sides of the surface emitting light source 1 inside both sides. . The contact part 3 has an inner connection part 3a inside the central part of the divided pieces 2a, 2b, and has an outer connection part 3b on the outer side, and the inner connection part 3a and the outer connection part 3b are electrically connected. The inner connection portion 3a has a hole portion into which the connection electrodes 7 and 8 are fitted. Further, both ends of the divided pieces 2a and 2b are provided with notches 5 and 6 which can be phase-separated and connected by a connecting means (not shown).

面発光光源１と枠体２の組立は、分割片２ａ、２ｂの間に面発光光源１を配置し、面発光光源１の両側に分割片２ａ、２ｂの溝４を嵌合させながら分割片２ａ、２ｂを相近寄せ、接続用電極７、８を内側接続部３ａに嵌合して接続し、分割片２ａ、２ｂの両端を相欠け継ぎする。   The surface emitting light source 1 and the frame 2 are assembled by disposing the surface emitting light source 1 between the divided pieces 2a and 2b and fitting the grooves 4 of the divided pieces 2a and 2b on both sides of the surface emitting light source 1. 2a and 2b are brought close to each other, the connecting electrodes 7 and 8 are fitted and connected to the inner connecting portion 3a, and both ends of the divided pieces 2a and 2b are phase-separated.

器具本体１０は、枠体２のついた面発光光源１を収納する複数の収納部１０ａ〜１０ｃを形成するとともに点灯回路を備えており、各収納部１０ａ〜１０ｃの内面に外側接続部３ｂに対応して接点１１を設け、枠体２のついた面発光光源１を収納することにより外側接続部３ｂを接点１１に接触させる。これにより器具本体１０の接点１１に給電すると接点部３および接続用電極７、８を介して面発光光源１の電極膜に電圧が印加され、発光することができる。そして面発光光源１の器具本体１０に対する着脱は枠体２と一体で行う。   The instrument main body 10 includes a plurality of storage portions 10a to 10c for storing the surface emitting light source 1 with the frame 2 and includes a lighting circuit. The outer connection portion 3b is provided on the inner surface of each of the storage portions 10a to 10c. Correspondingly, a contact 11 is provided, and the surface emitting light source 1 with the frame 2 is housed to bring the outer connection portion 3 b into contact with the contact 11. Thus, when power is supplied to the contact 11 of the instrument main body 10, a voltage is applied to the electrode film of the surface-emitting light source 1 through the contact portion 3 and the connection electrodes 7 and 8, and light can be emitted. The surface emitting light source 1 is attached to and detached from the instrument body 10 integrally with the frame body 2.

この発明の第２の実施の形態を図２により説明する。すなわち、面発光光源１は第１の実施の形態と同様の構造であるが、面発光光源１の両端に接続用電極７、８が分かれて配置されている。枠体２は第１の実施の形態では面発光光源１の周縁の全体を被覆したが、面発光光源１の一部例えば両端のみを被覆するプラスチック製の一対のカバー１２、１３により構成し、接続用電極７、８に対向して露出穴１４を形成している。接点部３は例えば金属導電板を略Ｕ字形に折曲しその両端をさらに内側に折り返した導電金具であり、折り返し部が内側接続部３ａとなり、折曲部の外面が外側接続部３ｂとなる。接点部３は面発光光源１の両端の接続用電極７、８に接触するように挟着して内側接続部３ａを接続用電極７、８に接触し、外側接続部３ｂが枠体２の露出穴１４より露出している。したがって、露出穴１４を通して外側接続部３ｂに器具本体（図示せず）の接点を接触させたり電線を接続することにより面発光光源を発光させることができる。   A second embodiment of the present invention will be described with reference to FIG. That is, the surface emitting light source 1 has the same structure as that of the first embodiment, but the connection electrodes 7 and 8 are separately arranged at both ends of the surface emitting light source 1. In the first embodiment, the frame 2 covers the entire periphery of the surface-emitting light source 1, but includes a pair of plastic covers 12 and 13 that cover only a part of the surface-emitting light source 1, for example, both ends, An exposure hole 14 is formed to face the connection electrodes 7 and 8. The contact portion 3 is, for example, a conductive metal fitting in which a metal conductive plate is bent into a substantially U shape, and both ends thereof are further turned inward. . The contact portion 3 is sandwiched so as to be in contact with the connection electrodes 7 and 8 at both ends of the surface emitting light source 1, the inner connection portion 3 a is in contact with the connection electrodes 7 and 8, and the outer connection portion 3 b is the frame 2. It is exposed from the exposure hole 14. Therefore, the surface emitting light source can emit light by bringing the contact point of the instrument main body (not shown) into contact with the outer connection portion 3b through the exposure hole 14 or connecting the electric wire.

なお、面発光光源１の両面の電極膜を透明にして、両面発光にしてもよい。   It should be noted that the electrode films on both surfaces of the surface-emitting light source 1 may be transparent to emit light on both sides.

この発明の第３の実施の形態を図３により説明する。第２の実施の形態のプラスチック製のカバー１２、１３を用いた枠体２に代えて、面発光光源１の周囲と背面を覆う構造としている。すなわち、枠体２はプラスチック製であり、中央に面発光光源１を収納する凹部１５を有し、その周壁を枠部１６とし、接点部３は面発光光源１の接続用電極７、８に対応して枠体２の側縁部に貫通して設けられ、外面を外側接続部３ｂとし、内面を内側接続部として面発光光源１の接続用電極に接触している。   A third embodiment of the present invention will be described with reference to FIG. Instead of the frame body 2 using the plastic covers 12 and 13 according to the second embodiment, a structure that covers the periphery and the back surface of the surface emitting light source 1 is adopted. That is, the frame body 2 is made of plastic, has a concave portion 15 for housing the surface emitting light source 1 in the center, has a peripheral wall as the frame portion 16, and the contact portion 3 is connected to the connection electrodes 7 and 8 of the surface emitting light source 1. Correspondingly, it is provided so as to penetrate through the side edge of the frame 2, and the outer surface is the outer connection portion 3 b and the inner surface is the inner connection portion, and is in contact with the connection electrode of the surface emitting light source 1.

なお、枠体２を透光性とすれば、面発光光源１も両面発光のものを用いることができる。   In addition, if the frame 2 is made light-transmitting, the surface emitting light source 1 can also be one that emits light from both sides.

また上記各実施の形態において、枠体２に透光性の前面パネルを設け、面発光光源１の前面を被覆するものでもよい。   Further, in each of the above embodiments, the frame body 2 may be provided with a translucent front panel so as to cover the front surface of the surface emitting light source 1.

第２の実施の形態において、枠体２を導電性のものにして面発光光源１の接続用電極７、８に直接接触し、導電金具を省略することが可能である。   In the second embodiment, it is possible to make the frame 2 conductive and directly contact the connection electrodes 7 and 8 of the surface emitting light source 1 and omit the conductive metal fittings.

またこの発明において、面発光光源１は枠体２に対して複数設けてもよく、この場合枠体２がそれら複数の面発光光源の一部のみならず、縁部全体を覆う構造にすることができる。   In the present invention, a plurality of surface emitting light sources 1 may be provided with respect to the frame 2, and in this case, the frame 2 has a structure covering not only a part of the plurality of surface emitting light sources but also the entire edge. Can do.

枠体２の各面発光光源１の接点部３の相互は複数の面発光光源１を直列に接続するように接続してもよい。   You may connect the contact part 3 of each surface emitting light source 1 of the frame 2 so that the some surface emitting light source 1 may be connected in series.

さらに分割片２ａ、２ｂは３個以上に分割することができ、その場合にそれぞれに接点部３を設けることができる。   Furthermore, the division | segmentation piece 2a, 2b can be divided | segmented into 3 or more, In that case, the contact part 3 can be provided in each.

（ａ）はこの発明の第１の実施の形態の分解斜視図、（ｂ）は器具本体の部分斜視図である。(A) is a disassembled perspective view of 1st Embodiment of this invention, (b) is a fragmentary perspective view of an instrument main body. 第２の実施の形態の分解斜視図である。It is a disassembled perspective view of 2nd Embodiment. 第３の実施の形態の斜視図である。It is a perspective view of 3rd Embodiment.

符号の説明Explanation of symbols

１ 面発光光源
２ 枠体
２ａ、２ｂ 分割片
３ 接点部
７、８ 接続用電極
１０ 器具本体
１１ 接点
１２、１３ カバー
１４ 露出穴

DESCRIPTION OF SYMBOLS 1 Surface emitting light source 2 Frame 2a, 2b Split piece 3 Contact part 7, 8 Connection electrode 10 Instrument main body 11 Contact 12, 13 Cover 14 Exposed hole

Claims (3)

接続用電極を縁部に有する面発光光源と、前記接続用電極に接続する接点部を有して前記面発光光源の前記縁部を覆う枠体とを備え、前記接点部は前記枠体の内面に設けられて前記接続用電極に接続する内側接続部と、前記枠体の外面に設けられて前記内側接続部に接続された外側接続部とを有する照明装置。   A surface-emitting light source having an electrode for connection at an edge; and a frame that has a contact portion connected to the electrode for connection and covers the edge of the surface-emitting light source. An illuminating device having an inner connection portion provided on an inner surface and connected to the connection electrode, and an outer connection portion provided on an outer surface of the frame and connected to the inner connection portion. 前記枠体は、複数の分割片を組み合わせてなり、各分割片はそれぞれ接点部を有する請求項１記載の照明装置。   The lighting device according to claim 1, wherein the frame body is formed by combining a plurality of divided pieces, and each divided piece has a contact portion. 前記面発光光源は複数有する請求項１記載の照明装置。   The lighting device according to claim 1, wherein a plurality of the surface emitting light sources are provided.
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