JP6833441B2 - Vehicle lighting - Google Patents

Vehicle lighting Download PDF

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JP6833441B2
JP6833441B2 JP2016201429A JP2016201429A JP6833441B2 JP 6833441 B2 JP6833441 B2 JP 6833441B2 JP 2016201429 A JP2016201429 A JP 2016201429A JP 2016201429 A JP2016201429 A JP 2016201429A JP 6833441 B2 JP6833441 B2 JP 6833441B2
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organic
panel
light emitting
fixing member
emitting surface
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JP2018063848A (en
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浩一郎 阿野
浩一郎 阿野
啓之 千竈
啓之 千竈
影山　智之
智之 影山
規文 今関
規文 今関
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Stanley Electric Co Ltd
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Description

本発明は、車両用灯具に関し、特に、有機ＥＬパネルを用いた車両用灯具に関する。 The present invention relates to a vehicle lamp, and more particularly to a vehicle lamp using an organic EL panel.

従来、有機ＥＬパネルを用いた車両用灯具が提案されている（例えば、特許文献１（図７等）参照）。一般的に、この種の車両用灯具は、アウターレンズとハウジングとによって構成される灯室内に配置される（例えば、特許文献２（図２）参照）。 Conventionally, vehicle lamps using an organic EL panel have been proposed (see, for example, Patent Document 1 (FIG. 7 and the like)). Generally, this type of vehicle lighting fixture is arranged in a lighting chamber composed of an outer lens and a housing (see, for example, Patent Document 2 (FIG. 2)).

特開２０１５−０２２９１７号公報Japanese Unexamined Patent Publication No. 2015-022917 特開２０１６−０５８１３６号公報Japanese Unexamined Patent Publication No. 2016-058136

しかしながら、車両用灯具の分野においては、近年、車両デザインの自由度を確保する等の観点から、車両用灯具（灯具ユニット）の設置スペースの削減が求められているのに対して、特許文献１に記載の車両用灯具においては、アウターレンズとハウジングとの間に、有機ＥＬパネルを用いた車両用灯具の設置スペースを確保しなければならず、その削減が難しいという課題がある。 However, in the field of vehicle lamps, in recent years, from the viewpoint of ensuring the degree of freedom in vehicle design, reduction of the installation space of vehicle lamps (lamp units) has been required, whereas Patent Document 1 In the vehicle lighting equipment described in the above, there is a problem that it is necessary to secure an installation space for the vehicle lighting equipment using an organic EL panel between the outer lens and the housing, and it is difficult to reduce the installation space.

本発明は、上記事情に鑑みてなされたものであり、従来よりも設置スペースの削減を実現することができる車両用灯具を提供することを目的とする。 The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a vehicle lamp that can realize a reduction in installation space as compared with the conventional case.

上記目的を達成するために、本発明の一つの側面は、外側面と内側面を有するアウターレンズと、前記アウターレンズを透過して照射される光を発光する発光面を含む有機ＥＬパネルと、前記有機ＥＬパネルと前記アウターレンズとを固定する固定部材と、を備え、前記アウターレンズの内側面は、前記有機ＥＬパネルの前記発光面が面接触する発光面接触面と、当該発光面接触面を取り囲む内側周囲面と、を含み、前記発光面接触面と前記外側面との間は、前記内側周囲面と前記外側面との間より厚みが厚く形成された段差部を設けており、前記アウターレンズの外側面は、第１平面による切断面、および、前記第１平面に直交する第２平面による切断面が曲線となる面となる3次曲面であり、前記発光面接触面は、前記第１平面による切断面及び前記第１平面に直交する前記第２平面による切断面のうち少なくとも一方が直線となる面であり、もう一方が曲線となる面となる2次曲面であり、前記有機ELパネルを、前記外側面が3次曲面の前記アウターレンズの前記内側面に面接触するように、前記固定部材で固定する車両用灯具であることを特徴とする。 In order to achieve the above object, one aspect of the present invention includes an outer lens having an outer surface and an inner surface, and an organic EL panel including a light emitting surface that emits light emitted through the outer lens. A fixing member for fixing the organic EL panel and the outer lens is provided, and the inner surface of the outer lens is a light emitting surface contact surface with which the light emitting surface of the organic EL panel is in surface contact and a light emitting surface contact surface. A stepped portion formed to be thicker than between the inner peripheral surface and the outer surface is provided between the light emitting surface contact surface and the outer surface, including the inner peripheral surface surrounding the above. The outer surface of the outer lens is a cubic curved surface in which the cut surface by the first plane and the cut surface by the second plane orthogonal to the first plane are curved surfaces, and the light emitting surface contact surface is the above-mentioned The organic surface is a quadratic curved surface in which at least one of the cut surface by the first plane and the cut surface by the second plane orthogonal to the first plane is a straight line and the other is a curved surface. The EL panel is a vehicle lighting tool that is fixed by the fixing member so that the outer surface contacts the inner surface of the outer lens having a cubic curved surface.

この側面によれば、従来よりも設置スペースの削減を実現することができる車両用灯具を提供することができる。 According to this aspect, it is possible to provide a vehicle lamp that can realize a reduction in installation space as compared with the conventional case.

これは、有機ＥＬパネルとアウターレンズとを固定したことによるものである。 This is because the organic EL panel and the outer lens are fixed.

また、有機ＥＬパネルとアウターレンズとを固定したことで、意匠性が向上するという利点もある。また、車両用灯具の奥行きを薄くすることができるという利点もある。 Further, by fixing the organic EL panel and the outer lens, there is an advantage that the design is improved. There is also an advantage that the depth of the vehicle lamp can be reduced.

また、上記発明において、好ましい態様は、前記固定部材は、前記有機ＥＬパネルと前記アウターレンズとを、前記有機ＥＬパネルの前記発光面と前記アウターレンズの前記発光面接触面とが面接触した状態で固定することを特徴とする。 Further, in the above invention, a preferred embodiment, prior Symbol fixing member, wherein the organic EL panel and the outer lens, the light emitting surface of the organic EL panel and said light emitting surface contact surface of the outer lens has surface contact It is characterized by being fixed in a state.

この態様によれば、従来よりも設置スペースの削減を実現することができる車両用灯具を提供することができる。 According to this aspect, it is possible to provide a vehicle lamp that can realize a reduction in installation space as compared with the conventional case.

これは、有機ＥＬパネルとアウターレンズとを、有機ＥＬパネルの発光面とアウターレンズの発光面接触面とが面接触した状態で固定したことによるものである。 This is because the organic EL panel and the outer lens are fixed in a state where the light emitting surface of the organic EL panel and the light emitting surface contact surface of the outer lens are in surface contact with each other.

また、有機ＥＬパネルとアウターレンズとを、有機ＥＬパネルの発光面とアウターレンズの発光面接触面とが面接触した状態で固定したことで、意匠性が向上するという利点もある。また、車両用灯具の奥行きを薄くすることができるという利点もある。 Further, by fixing the organic EL panel and the outer lens in a state where the light emitting surface of the organic EL panel and the light emitting surface contact surface of the outer lens are in surface contact with each other, there is an advantage that the design is improved. There is also an advantage that the depth of the vehicle lamp can be reduced.

また、上記発明では、前記発光面接触面は、第１平面による切断面及び前記第１平面に直交する第２平面による切断面のうち少なくとも一方が直線となる面であることを特徴とする態様を含む。 Further, in the invention, the light emitting surface contact surface may include a mode where at least one of the cut surface by a second plane perpendicular to the cutting plane and the first plane of the first plane, characterized in that a surface to be the straight line Including .

この態様によれば、例えば、可撓性を備える有機ＥＬパネルが一方向以外に湾曲した状態で（例えば、ねじれた状態で）アウターレンズに取り付けられるのを回避することができる。 According to this aspect, for example, it is possible to prevent the flexible organic EL panel from being attached to the outer lens in a state of being curved (for example, in a twisted state) in a direction other than one direction.

これは、可撓性を備える有機ＥＬパネルの発光面が面接触する発光面接触面が、第１平面による切断面及び第１平面に直交する第２平面による切断面のうち少なくとも一方が直線である面であるため、可撓性を備える有機ＥＬパネルが発光面接触面に沿って一方向に湾曲し、当該発光面接触面に面接触した状態でアウターレンズに取り付けられることによるものである。 This is because the light emitting surface contact surface of the flexible organic EL panel in which the light emitting surface is in surface contact is a straight line of at least one of the cut surface by the first plane and the cut surface by the second plane orthogonal to the first plane. This is because the flexible organic EL panel is curved in one direction along the light emitting surface contact surface and is attached to the outer lens in a state of being in surface contact with the light emitting surface contact surface.

また、上記発明において、好ましい態様は、前記固定部材は、前記有機ＥＬパネルの前記発光面が前記アウターレンズの前記発光面接触面に面接触するように、前記有機ＥＬパネルの前記発光面とは反対側の裏面を押さえる押さえ部を含み、前記固定部材は、当該固定部材の前記押さえ部が前記有機ＥＬパネルの前記裏面を押さえた状態で、前記アウターレンズに固定されることを特徴とする。 Further, in the above invention, in a preferred embodiment, the fixing member has a surface contact with the light emitting surface of the organic EL panel so that the light emitting surface of the organic EL panel comes into surface contact with the light emitting surface contact surface of the outer lens. The fixing member includes a pressing portion that presses the back surface on the opposite side, and the fixing member is fixed to the outer lens in a state where the pressing portion of the fixing member presses the back surface of the organic EL panel.

この態様によれば、アウターレンズや固定部材の形状のばらつき等に起因して有機ＥＬパネルがアウターレンズと固定部材との間でがたつくのを抑制することができる。 According to this aspect, it is possible to prevent the organic EL panel from rattling between the outer lens and the fixing member due to variations in the shapes of the outer lens and the fixing member.

これは、有機ＥＬパネルが、アウターレンズ（発光面接触面）と固定部材（押さえ部）との間に挟持されることによるものである。 This is because the organic EL panel is sandwiched between the outer lens (light emitting surface contact surface) and the fixing member (holding portion).

また、上記発明において、好ましい態様は、さらに、前記有機ＥＬパネルの前記アウターレンズに対する上下左右方向の移動を規制する規制部を備えることを特徴とする。 Further, in the above invention, a preferred embodiment is further provided with a regulating portion for restricting the movement of the organic EL panel with respect to the outer lens in the vertical and horizontal directions.

この態様によれば、有機ＥＬパネルのアウターレンズに対する上下左右方向の移動を規制することができる。 According to this aspect, the movement of the organic EL panel with respect to the outer lens in the vertical and horizontal directions can be restricted.

これは、有機ＥＬパネルのアウターレンズに対する上下左右方向の移動を規制する規制部を備えることによるものである。 This is due to the provision of a regulating unit that regulates the movement of the organic EL panel with respect to the outer lens in the vertical and horizontal directions.

この側面によれば、従来よりも設置スペースの削減を実現することができる車両用灯具を提供することができる。 According to this aspect, it is possible to provide a vehicle lamp that can realize a reduction in installation space as compared with the conventional case.

これは、有機ＥＬパネルと透光部材（例えば、アウターレンズ）とを固定したことによるものである。 This is because the organic EL panel and the translucent member (for example, the outer lens) are fixed.

また、有機ＥＬパネルと透光部材とを固定したことで、意匠性が向上するという利点もある。また、車両用灯具の奥行きを薄くすることができるという利点もある。 Further, by fixing the organic EL panel and the translucent member, there is an advantage that the designability is improved. There is also an advantage that the depth of the vehicle lamp can be reduced.

また、上記発明において、好ましい態様は、前記有機ＥＬパネルは、可撓性を備えることを特徴とする。 Further, in the above invention, a preferred embodiment is characterized in that the organic EL panel has flexibility.

この態様によれば、可撓性を備える有機ＥＬパネルと透光部材（例えば、アウターレンズ）とが固定された車両用灯具を提供することができる。 According to this aspect, it is possible to provide a vehicle lamp in which a flexible organic EL panel and a translucent member (for example, an outer lens) are fixed.

また、上記発明において、好ましい態様は、前記固定部材は、正面から前記固定部材が視認されないように前記有機ＥＬパネルの背面側に配置されており、前記固定部材には、前記有機ＥＬパネルに電力を供給するための電源ケーブル用の貫通穴が形成されていることを特徴とする。 Further, in the above invention, in a preferred embodiment, the fixing member is arranged on the back side of the organic EL panel so that the fixing member cannot be visually recognized from the front, and the fixing member is provided with electric power to the organic EL panel. It is characterized in that a through hole for a power cable for supplying the power cable is formed.

この態様によれば、固定部材（貫通穴）は、有機ＥＬパネルの背面側に配置されており、有機ＥＬパネルで覆い隠された状態となるため、正面から固定部材（貫通穴）が視認されるのを防止することができる。 According to this aspect, since the fixing member (through hole) is arranged on the back side of the organic EL panel and is covered by the organic EL panel, the fixing member (through hole) is visually recognized from the front. Can be prevented.

（ａ）正面側から見た車両用灯具１０の斜視図、（ｂ）図１（ａ）のＡ−Ａ断面図である。(A) is a perspective view of the vehicle lamp 10 viewed from the front side, and (b) is a sectional view taken along the line AA of FIG. 1 (a). （ａ）正面側から見た車両用灯具１０の分解斜視図、（ｂ）背面側から見た車両用灯具１０の分解斜視図である。(A) An exploded perspective view of the vehicle lamp 10 viewed from the front side, and (b) an exploded perspective view of the vehicle lamp 10 viewed from the rear side. （ａ）背面側から見た透光部材２０の斜視図、（ｂ）図３（ａ）のＢ−Ｂ断面図、（ｃ）図３（ａ）のＣ−Ｃ断面図である。(A) A perspective view of the translucent member 20 seen from the back side, (b) a sectional view taken along the line BB of FIG. 3 (a), and (c) a sectional view taken along the line CC of FIG. 3 (a). （ａ）正面側から見た車両用灯具１０Ａの斜視図、（ｂ）図４（ａ）のＤ−Ｄ断面図である。(A) is a perspective view of the vehicle lamp 10A seen from the front side, and (b) is a cross-sectional view taken along the line DD of FIG. 4 (a). 正面側から見た車両用灯具１０Ａの分解斜視図である。It is an exploded perspective view of the vehicle lamp 10A seen from the front side. （ａ）図５のＥ−Ｅ断面図、（ｂ）図５のＦ−Ｆ断面図である。(A) is a sectional view taken along the line EE of FIG. 5, and (b) is a sectional view taken along the line FF of FIG. 超音波溶着による溶着部５０を示す図である。It is a figure which shows the welding part 50 by ultrasonic welding. （ａ）押さえ部４２Ａａ１として、有機ＥＬパネル３０の裏面３０ｂの一部を押さえる線状リブ４７ａを用いた車両用灯具１０Ａ１の一例、（ｂ）図８（ａ）のＧ−Ｇ断面図（部分断面図）、（ｃ）押さえ部４２Ａａ１として、有機ＥＬパネル３０の裏面３０ｂの一部を押さえる線状リブ４７ｂを用いた車両用灯具１０Ａ２の一例、（ｄ）図８（ｃ）のＨ−Ｈ断面図（部分断面図）、（ｅ）押さえ部４２Ａａ１として、有機ＥＬパネル３０の裏面３０ｂの一部を押さえる点状リブ４７ｃを用いた車両用灯具１０Ａ３の一例、（ｆ）図８（ｅ）のＩ−Ｉ断面図（部分断面図）である。(A) An example of a vehicle lamp 10A1 using a linear rib 47a that presses a part of the back surface 30b of the organic EL panel 30 as the pressing portion 42Aa1, and (b) a cross-sectional view taken along the line GG of FIG. 8A. (Cross section), (c) An example of a vehicle lamp 10A2 using a linear rib 47b that presses a part of the back surface 30b of the organic EL panel 30 as the pressing portion 42Aa1, (d) HH of FIG. 8 (c). Cross-sectional view (partial cross-sectional view), (e) An example of a vehicle lamp 10A3 using a point rib 47c for pressing a part of the back surface 30b of the organic EL panel 30 as the pressing portion 42Aa1, (f) FIG. 8 (e). It is a cross-sectional view (partial cross-sectional view) of I-I. 固定部材４０Ａと透光部材２０Ａとを固定する手段（変形例）を説明するための図である。It is a figure for demonstrating means (modification example) for fixing a fixing member 40A and a translucent member 20A. 図９のＪ−Ｊ断面図である。9 is a cross-sectional view taken along the line JJ of FIG. 固定部材４０Ａの四隅に形成された開口４５に透光部材２０Ａ（内側面２２ｂ）の四隅に設けられた爪部２８が係合した様子を説明するための図である。It is a figure for demonstrating the appearance that the claws 28 provided at the four corners of a translucent member 20A (inner side surface 22b) are engaged with the openings 45 formed at the four corners of a fixing member 40A.

以下、本発明の第１実施形態である車両用灯具１０について添付図面を参照しながら説明する。各図において対応する構成要素には同一の符号が付され、重複する説明は省略される。 Hereinafter, the vehicle lamp 10 according to the first embodiment of the present invention will be described with reference to the accompanying drawings. Corresponding components in each figure are designated by the same reference numerals, and duplicate description is omitted.

図１（ａ）は正面側から見た車両用灯具１０の斜視図、図１（ｂ）は図１（ａ）のＡ−Ａ断面図である。 FIG. 1A is a perspective view of the vehicle lamp 10 as viewed from the front side, and FIG. 1B is a sectional view taken along the line AA of FIG. 1A.

図１に示す車両用灯具１０は、テールランプとして機能する標識用ランプであり、車両（図示せず）の後端部の左側に搭載される。なお、車両用灯具１０は、図示しないが、車両の後端部の右側にも搭載される。左右両側に搭載される車両用灯具１０は左右対称の構成であるため、以下、代表して、車両の後端部の左側に搭載される車両用灯具１０について説明する。なお、以下、説明の便宜のため、ＸＹＺ軸を定義する。Ｘ軸は車両前後方向に延びており、Ｙ軸は車幅方向に延びており、Ｚ軸は鉛直方向に延びている。 The vehicle lamp 10 shown in FIG. 1 is a sign lamp that functions as a tail lamp, and is mounted on the left side of the rear end portion of the vehicle (not shown). Although not shown, the vehicle lamp 10 is also mounted on the right side of the rear end of the vehicle. Since the vehicle lighting fixtures 10 mounted on both the left and right sides have a symmetrical configuration, the vehicle lighting fixtures 10 mounted on the left side of the rear end portion of the vehicle will be described below as a representative. Hereinafter, for convenience of explanation, the XYZ axes will be defined. The X-axis extends in the front-rear direction of the vehicle, the Y-axis extends in the vehicle width direction, and the Z-axis extends in the vertical direction.

図２（ａ）は正面側から見た車両用灯具１０の分解斜視図、図２（ｂ）は背面側から見た車両用灯具１０の分解斜視図である。 FIG. 2A is an exploded perspective view of the vehicle lamp 10 viewed from the front side, and FIG. 2B is an exploded perspective view of the vehicle lamp 10 viewed from the rear side.

図２（ａ）、図２（ｂ）に示すように、本実施形態の車両用灯具１０は、透光部材２０、有機ＥＬパネル３０、固定部材４０等を備える。車両用灯具１０は、透光部材本体２２（外側面２２ａ）の下部が上部より車両後方側に位置するように傾いた状態（図１（ｂ）参照）でハウジング６０に取り付けられる。 As shown in FIGS. 2A and 2B, the vehicle lamp 10 of the present embodiment includes a translucent member 20, an organic EL panel 30, a fixing member 40, and the like. The vehicle lamp 10 is attached to the housing 60 in a state in which the lower portion of the translucent member main body 22 (outer surface 22a) is tilted so as to be located on the rear side of the vehicle from the upper portion (see FIG. 1B).

透光部材２０は、例えば、アウターレンズである。 The translucent member 20 is, for example, an outer lens.

図３（ａ）は背面側から見た透光部材２０の斜視図、図３（ｂ）は図３（ａ）のＢ−Ｂ断面図、図３（ｃ）は図３（ａ）のＣ−Ｃ断面図である。 3 (a) is a perspective view of the translucent member 20 seen from the back side, FIG. 3 (b) is a sectional view taken along line BB of FIG. 3 (a), and FIG. 3 (c) is C of FIG. 3 (a). -C sectional view.

図３（ａ）〜図３（ｃ）に示すように、透光部材２０は、外側面２２ａとその反対側の内側面２２ｂとを含む透光部材本体２２を含む。 As shown in FIGS. 3A to 3C, the translucent member 20 includes a translucent member main body 22 including an outer surface 22a and an inner surface 22b on the opposite side thereof.

外側面２２ａは、Ｘ軸及びＹ軸を含む平面による切断面が曲線となり（図３（ｃ）参照）、かつ、Ｘ軸及びＺ軸を含む平面による切断面も曲線となる（図３（ｂ）参照）面（以下、３次曲面ともいう）として構成される。 On the outer side surface 22a, the cut surface formed by the plane including the X-axis and the Y-axis is curved (see FIG. 3C), and the cut surface formed by the plane including the X-axis and the Z-axis is also curved (FIG. 3 (b). )) It is configured as a plane (hereinafter, also referred to as a cubic curved surface).

内側面２２ｂは、有機ＥＬパネル３０の発光面３０ａが面接触する発光面接触面２２ｂ１と、当該発光面接触面２２ｂ１を取り囲む内側周囲面２２ｂ２と、を含む。 The inner side surface 22b includes a light emitting surface contact surface 22b1 in which the light emitting surface 30a of the organic EL panel 30 is in surface contact, and an inner peripheral surface 22b2 surrounding the light emitting surface contact surface 22b1.

図３（ｂ）に示すように、発光面接触面２２ｂ１と外側面２２ａとの間は、内側周囲面２２ｂ２と外側面２２ａとの間より厚みが厚く、段差部２４（リブ）を構成している。 As shown in FIG. 3B, the space between the light emitting surface contact surface 22b1 and the outer surface 22a is thicker than the space between the inner peripheral surface 22b2 and the outer surface 22a, forming a step portion 24 (rib). There is.

発光面接触面２２ｂ１は、例えば、Ｘ軸及びＹ軸を含む平面（本発明の第１平面に相当）による切断面が曲線（例えば、透光部材２０の意匠面である外側面２２ａに沿った曲線）となり（図３（ｃ）参照）、かつ、Ｘ軸及びＺ軸を含む平面（本発明の第２平面に相当）による切断面が直線（例えば、Ｚ軸に対して平行の直線）となる（図３（ｂ）参照）面（以下、２次曲面ともいう）として構成される。なお、Ｘ軸及びＹ軸を含む平面による切断面（曲線）は、透光部材２０の意匠面である外側面２２ａに沿った曲線が望ましいが、これに限らず、二次曲線、三次曲線等の曲線であってもよい。 The light emitting surface contact surface 22b1 has, for example, a cut surface formed by a plane including the X-axis and the Y-axis (corresponding to the first plane of the present invention) along a curved surface (for example, the outer surface 22a which is the design surface of the translucent member 20). Curved line) (see FIG. 3C), and the cut surface of the plane including the X-axis and the Z-axis (corresponding to the second plane of the present invention) is a straight line (for example, a straight line parallel to the Z-axis). (See FIG. 3 (b)) It is configured as a plane (hereinafter, also referred to as a quadratic curved line). The cut surface (curve) formed by a plane including the X-axis and the Y-axis is preferably a curve along the outer surface 22a, which is the design surface of the translucent member 20, but is not limited to this, and is not limited to this, such as a quadratic curve or a cubic curve. It may be a curve of.

内側周囲面２２ｂ２は、例えば、当該内側周囲面２２ｂ２が対向する外側面２２ａと同様の３次曲面として構成される。 The inner peripheral surface 22b2 is configured as, for example, a cubic curved surface similar to the outer surface 22a on which the inner peripheral surface 22b2 faces.

２次曲面である発光面接触面２２ｂ１を設けた理由は、次のとおりである。 The reason for providing the light emitting surface contact surface 22b1 which is a quadric surface is as follows.

本発明者は、可撓性を備える有機ＥＬパネル３０を透光部材２０（発光面接触面２２ｂ１を設けない、３次曲面である内側面２２ｂ）に沿って湾曲した状態で取り付けることを検討した。 The present inventor has studied mounting a flexible organic EL panel 30 in a curved state along a translucent member 20 (inner side surface 22b which is a cubic curved surface without providing a light emitting surface contact surface 22b1). ..

しかしながら、可撓性を備える有機ＥＬパネル３０は、一方向以外に湾曲すると（例えば、ねじると）不灯になるため、可撓性を備える有機ＥＬパネル３０を透光部材２０（３次曲面である内側面２２ｂ）に沿って湾曲した状態で取り付けるのは難しいことが判明した。 However, since the flexible organic EL panel 30 is turned off when curved in a direction other than one direction (for example, when twisted), the flexible organic EL panel 30 is used as a translucent member 20 (with a cubic curved surface). It turned out to be difficult to install in a curved state along a certain inner surface 22b).

そこで、可撓性を備える有機ＥＬパネル３０が一方向以外に湾曲した状態で（例えば、ねじれた状態で）透光部材２０に取り付けられるのを回避するため、２次曲面である発光面接触面２２ｂ１を設けた。 Therefore, in order to prevent the flexible organic EL panel 30 from being attached to the translucent member 20 in a state of being curved in a direction other than one direction (for example, in a twisted state), a light emitting surface contact surface which is a quadric surface. 22b1 was provided.

これにより、可撓性を備える有機ＥＬパネル３０を一方向に湾曲した状態で透光部材２０に取り付けることができる。 As a result, the flexible organic EL panel 30 can be attached to the translucent member 20 in a state of being curved in one direction.

段差部２４の上端縁には、当該上端縁に沿って上リブ２４ａが設けられる。また、段差部２４の下端縁には、当該下端縁に沿って下リブ２４ｂが設けられる。上リブ２４ａ及び下リブ２４ｂは、発光面接触面２２ｂ１より突出しており（図３（ｂ）参照）、かつ、互いに平行の方向に延びている（図３（ａ）参照）。なお、上リブ２４ａと下リブ２４ｂとは、直線状に延びていてもよいし、点線状に延びていてもよい。 An upper rib 24a is provided on the upper end edge of the step portion 24 along the upper end edge. Further, a lower rib 24b is provided on the lower end edge of the step portion 24 along the lower end edge. The upper rib 24a and the lower rib 24b project from the light emitting surface contact surface 22b1 (see FIG. 3B) and extend in a direction parallel to each other (see FIG. 3A). The upper rib 24a and the lower rib 24b may extend linearly or may extend in a dotted line.

段差部２４の左右側面にはそれぞれ、爪部２４ｃ（フック）が設けられる。爪部２４ｃは、固定部材４０（固定部材本体４２）の左右両側に設けられた壁部４４に形成された開口４４ａに係合する。 Claw portions 24c (hooks) are provided on the left and right side surfaces of the step portion 24, respectively. The claw portion 24c engages with the openings 44a formed in the wall portions 44 provided on both the left and right sides of the fixing member 40 (fixing member main body 42).

上記構成の透光部材２０は、例えば、金型を用いてアクリルやポリカーボネイト等の透明樹脂を射出成形することにより一体成形することができる。 The translucent member 20 having the above configuration can be integrally molded, for example, by injection molding a transparent resin such as acrylic or polycarbonate using a mold.

図２に示すように、有機ＥＬパネル３０は、透光部材２０を透過して照射される光（赤色光。図３（ｂ）中の矢印Ｆ参照）を発光する発光面３０ａを含む。発光面３０ａのサイズは、発光面接触面２２ｂ１と同じ（又は略同じ）サイズである。 As shown in FIG. 2, the organic EL panel 30 includes a light emitting surface 30a that emits light (red light; see arrow F in FIG. 3B) emitted through the translucent member 20. The size of the light emitting surface 30a is the same (or substantially the same) as the light emitting surface contact surface 22b1.

有機ＥＬパネル３０は、可撓性を備えるフレキシブルタイプの有機ＥＬパネルである。有機ＥＬパネル３０の厚みは、例えば、０．１〜２．０ｍｍ程度である。可撓性を備える有機ＥＬパネル３０としては、例えば、特開２０１５−１７０８０６号公報に記載の、全体又は部分的に透明である前面樹脂基板と後面樹脂基板との間に、透明導電膜（例えばＩＴＯ）である陽極層、微反射金属層、有機ＥＬ発光層、及び背面側の導電膜である陰極層が積層された構造の有機ＥＬパネルを用いることができる。なお、発光面３０ａの外形は特に限定されず、矩形であってもよいし、円形であってもよいし、その他形状であってもよい。なお、有機ＥＬパネル３０は、透明な有機ＥＬパネルであってもよいし、不透明な有機ＥＬパネルであってもよい。 The organic EL panel 30 is a flexible type organic EL panel having flexibility. The thickness of the organic EL panel 30 is, for example, about 0.1 to 2.0 mm. The flexible organic EL panel 30 includes, for example, a transparent conductive film (for example, a transparent conductive film (for example,) between a front resin substrate and a rear resin substrate, which is completely or partially transparent, described in JP2015-170806. An organic EL panel having a structure in which an anode layer which is ITO), a slightly reflective metal layer, an organic EL light emitting layer, and a cathode layer which is a conductive film on the back side are laminated can be used. The outer shape of the light emitting surface 30a is not particularly limited, and may be rectangular, circular, or any other shape. The organic EL panel 30 may be a transparent organic EL panel or an opaque organic EL panel.

固定部材４０は、例えば、ブラケットである。 The fixing member 40 is, for example, a bracket.

図１（ｂ）に示すように、固定部材４０は、有機ＥＬパネル３０と透光部材２０とを、有機ＥＬパネル３０の発光面３０ａと透光部材２０の発光面接触面２２ｂ１とが面接触した状態で固定する。具体的には、次のようにして固定する。 As shown in FIG. 1B, in the fixing member 40, the organic EL panel 30 and the translucent member 20 are in surface contact with each other, and the light emitting surface 30a of the organic EL panel 30 and the light emitting surface contact surface 22b1 of the translucent member 20 are in surface contact with each other. Fix it in the same state. Specifically, it is fixed as follows.

図２に示すように、固定部材４０は、外側面４２ａとその反対側の内側面４２ｂとを含む固定部材本体４２を含む。固定部材本体４２は、押さえ部４２ａ１を含む。押さえ部４２ａ１は、有機ＥＬパネル３０の発光面３０ａが透光部材２０の発光面接触面２２ｂ１に面接触するように、有機ＥＬパネル３０の発光面３０ａとは反対側の裏面３０ｂを押さえる。 As shown in FIG. 2, the fixing member 40 includes a fixing member main body 42 including an outer surface 42a and an inner surface 42b on the opposite side thereof. The fixing member main body 42 includes a pressing portion 42a1. The pressing portion 42a1 presses the back surface 30b on the opposite side of the organic EL panel 30 from the light emitting surface 30a so that the light emitting surface 30a of the organic EL panel 30 comes into surface contact with the light emitting surface contact surface 22b1 of the translucent member 20.

押さえ部４２ａ１は、例えば、外側面４２ａである。押さえ部４２ａ１のサイズは、有機ＥＬパネル３０の裏面３０ｂ全域を押さえるため、有機ＥＬパネル３０の裏面３０ｂと同じ（又は略同じ）サイズである。押さえ部４２ａ１は、発光面接触面２２ｂ１と同様の２次曲面として構成される。 The pressing portion 42a1 is, for example, an outer surface 42a. The size of the pressing portion 42a1 is the same (or substantially the same) as the back surface 30b of the organic EL panel 30 in order to press the entire back surface 30b of the organic EL panel 30. The pressing portion 42a1 is configured as a quadric surface similar to the light emitting surface contact surface 22b1.

固定部材本体４２の左右両側にはそれぞれ、壁部４４が設けられる。壁部４４には、透光部材２０の段差部２４の左右側面に設けられた爪部２４ｃが係合する開口４４ａが形成される。 Wall portions 44 are provided on the left and right sides of the fixing member main body 42, respectively. The wall portion 44 is formed with an opening 44a in which the claw portions 24c provided on the left and right side surfaces of the stepped portion 24 of the translucent member 20 are engaged.

この壁部４４に形成された開口４４ａに透光部材２０の段差部２４の左右側面に設けられた爪部２４ｃを係合することで、固定部材４０は、当該固定部材４０の押さえ部４２ａ１が有機ＥＬパネル３０の裏面３０ｂを押さえた状態で、透光部材２０に固定される。 By engaging the claws 24c provided on the left and right side surfaces of the stepped portion 24 of the translucent member 20 with the opening 44a formed in the wall portion 44, the fixing member 40 has the pressing portion 42a1 of the fixing member 40. The back surface 30b of the organic EL panel 30 is held down and fixed to the translucent member 20.

具体的には、固定部材４０は、当該固定部材４０の押さえ部４２ａ１が有機ＥＬパネル３０の裏面３０ｂに当接（面接触）し、かつ、有機ＥＬパネル３０の発光面３０ａが透光部材２０の発光面接触面２２ｂ１に面接触した状態（図１（ｂ）参照）で透光部材２０に固定される。 Specifically, in the fixing member 40, the pressing portion 42a1 of the fixing member 40 is in contact (surface contact) with the back surface 30b of the organic EL panel 30, and the light emitting surface 30a of the organic EL panel 30 is the translucent member 20. It is fixed to the translucent member 20 in a state of being in surface contact with the light emitting surface contact surface 22b1 (see FIG. 1B).

以上のようにして、固定部材４０は、有機ＥＬパネル３０と透光部材２０とを、図１（ｂ）に示すように、有機ＥＬパネル３０の発光面３０ａと透光部材２０の発光面接触面２２ｂ１とが面接触した状態で固定する。 As described above, in the fixing member 40, the organic EL panel 30 and the translucent member 20 are brought into contact with the light emitting surface 30a of the organic EL panel 30 and the light emitting surface of the translucent member 20 as shown in FIG. 1 (b). It is fixed in a state where the surface 22b1 is in surface contact with the surface 22b1.

その際、有機ＥＬパネル３０の上下左右縁が上リブ２４ａ、下リブ２４ｂ、及び、壁部４４、４４に取り囲まれた状態となる。また、有機ＥＬパネル３０が、透光部材２０（発光面接触面２２ｂ１）と固定部材４０（押さえ部４２ａ１）との間に挟持された状態となる。 At that time, the upper, lower, left and right edges of the organic EL panel 30 are surrounded by the upper ribs 24a, the lower ribs 24b, and the wall portions 44, 44. Further, the organic EL panel 30 is sandwiched between the light transmitting member 20 (light emitting surface contact surface 22b1) and the fixing member 40 (holding portion 42a1).

これにより、有機ＥＬパネル３０の透光部材２０に対する上下左右前後方向（ＸＹＺ軸方向）の移動が規制される。上リブ２４ａ、下リブ２４ｂ、及び、壁部４４、４４が本発明の規制部に相当する。 As a result, the movement of the organic EL panel 30 with respect to the translucent member 20 in the vertical, horizontal, front-back directions (XYZ axis directions) is restricted. The upper rib 24a, the lower rib 24b, and the wall portions 44, 44 correspond to the regulation portion of the present invention.

上記構成の固定部材４０は、例えば、金型を用いて合成樹脂を射出成形することにより成形することができる。 The fixing member 40 having the above configuration can be molded, for example, by injection molding a synthetic resin using a mold.

以上説明したように、本実施形態によれば、従来よりも設置スペースの削減を実現することができる車両用灯具１０を提供することができる。 As described above, according to the present embodiment, it is possible to provide the vehicle lamp 10 that can realize a reduction in the installation space as compared with the conventional case.

これは、有機ＥＬパネル３０と透光部材２０とを、有機ＥＬパネル３０の発光面３０ａと透光部材２０の発光面接触面２２ｂ１とが面接触した状態で固定したことによるものである。 This is because the organic EL panel 30 and the translucent member 20 are fixed in a state where the light emitting surface 30a of the organic EL panel 30 and the light emitting surface contact surface 22b1 of the translucent member 20 are in surface contact with each other.

また、有機ＥＬパネル３０と透光部材２０とを、有機ＥＬパネル３０の発光面３０ａと透光部材２０の発光面接触面２２ｂ１とが面接触した状態で固定したことで、意匠性が向上するという利点もある。また、車両用灯具１０の奥行きを薄くすることができるという利点もある。また、Ｘ軸方向へ光が出射されるため、発光効率がよいという利点もある。 Further, the organic EL panel 30 and the translucent member 20 are fixed in a state where the light emitting surface 30a of the organic EL panel 30 and the light emitting surface contact surface 22b1 of the translucent member 20 are in surface contact with each other, thereby improving the design. There is also an advantage. There is also an advantage that the depth of the vehicle lamp 10 can be reduced. Further, since the light is emitted in the X-axis direction, there is an advantage that the luminous efficiency is good.

また本実施形態によれば、可撓性を備える有機ＥＬパネル３０が一方向以外に湾曲した状態で（例えば、ねじれた状態で）透光部材２０に取り付けられるのを回避することができる。 Further, according to the present embodiment, it is possible to prevent the flexible organic EL panel 30 from being attached to the translucent member 20 in a state of being curved (for example, in a twisted state) in a direction other than one direction.

これは、可撓性を備える有機ＥＬパネル３０の発光面３０ａが面接触する発光面接触面２２ｂ１を２次曲面としたため、可撓性を備える有機ＥＬパネル３０を発光面接触面２２ｂ１に沿って一方向に湾曲し、当該発光面接触面２２ｂ１に面接触した状態で透光部材２０に取り付けることができることによるものである。 This is because the light emitting surface contact surface 22b1 in which the light emitting surface 30a of the flexible organic EL panel 30 makes surface contact is a quadric surface, so that the flexible organic EL panel 30 is formed along the light emitting surface contact surface 22b1. This is because it is curved in one direction and can be attached to the translucent member 20 in a state of being in surface contact with the light emitting surface contact surface 22b1.

また本実施形態によれば、透光部材２０や固定部材４０の形状のばらつき等に起因して有機ＥＬパネル３０が透光部材２０と固定部材４０との間でがたつくのを抑制することができる。 Further, according to the present embodiment, it is possible to prevent the organic EL panel 30 from rattling between the translucent member 20 and the fixing member 40 due to variations in the shapes of the translucent member 20 and the fixing member 40. ..

これは、有機ＥＬパネル３０が、透光部材２０（発光面接触面２２ｂ１）と固定部材４０（押さえ部４２ａ１）との間に挟持されることによるものである。 This is because the organic EL panel 30 is sandwiched between the light transmitting member 20 (light emitting surface contact surface 22b1) and the fixing member 40 (holding portion 42a1).

また本実施形態によれば、有機ＥＬパネル３０の透光部材２０に対する上下左右方向の移動を規制することができる。 Further, according to the present embodiment, it is possible to restrict the movement of the organic EL panel 30 with respect to the translucent member 20 in the vertical and horizontal directions.

これは、有機ＥＬパネル３０の透光部材２０に対する上下左右方向の移動を規制する規制部（上リブ２４ａ、下リブ２４ｂ、及び、壁部４４、４４）を備えることによるものである。 This is because the organic EL panel 30 is provided with a regulating portion (upper rib 24a, lower rib 24b, and wall portions 44, 44) that regulates the movement of the organic EL panel 30 with respect to the translucent member 20 in the vertical and horizontal directions.

次に、本発明の第２実施形態である車両用灯具１０Ａについて添付図面を参照しながら説明する。各図において対応する構成要素には同一の符号が付され、重複する説明は省略される。 Next, the vehicle lamp 10A according to the second embodiment of the present invention will be described with reference to the accompanying drawings. Corresponding components in each figure are designated by the same reference numerals, and duplicate description is omitted.

図４（ａ）は正面側から見た車両用灯具１０Ａの斜視図、図４（ｂ）は図４（ａ）のＤ−Ｄ断面図である。 FIG. 4A is a perspective view of the vehicle lamp 10A viewed from the front side, and FIG. 4B is a sectional view taken along the line DD of FIG. 4A.

本実施形態の車両用灯具１０Ａは、透光部材２０Ａが第１実施形態の段差部２４（図３参照）に代えて発光面接触面２２Ａｂ１を底面とする凹部２６（図６参照）を含む点が相違する。それ以外、第１実施形態と同様の構成である。 In the vehicle lamp 10A of the present embodiment, the translucent member 20A includes a recess 26 (see FIG. 6) having a light emitting surface contact surface 22Ab1 as a bottom surface in place of the step portion 24 (see FIG. 3) of the first embodiment. Is different. Other than that, the configuration is the same as that of the first embodiment.

以下、第１実施形態である車両用灯具１０との相違点を中心に説明し、同一の構成には同一の符号を付して適宜説明を省略する。 Hereinafter, the differences from the vehicle lamp 10 according to the first embodiment will be mainly described, and the same reference numerals will be given to the same configurations, and the description thereof will be omitted as appropriate.

図５は、正面側から見た車両用灯具１０Ａの分解斜視図である。 FIG. 5 is an exploded perspective view of the vehicle lamp 10A viewed from the front side.

図５に示すように、本実施形態の車両用灯具１０Ａは、透光部材２０Ａ、有機ＥＬパネル３０、固定部材４０Ａ等を備える。車両用灯具１０Ａは、図４（ｂ）に示すように、ハウジング６０Ａに取り付けられる。 As shown in FIG. 5, the vehicle lamp 10A of the present embodiment includes a translucent member 20A, an organic EL panel 30, a fixing member 40A, and the like. The vehicle lamp 10A is attached to the housing 60A as shown in FIG. 4B.

透光部材２０Ａは、例えば、アウターレンズである。 The translucent member 20A is, for example, an outer lens.

図６（ａ）は図５のＥ−Ｅ断面図、図６（ｂ）は図５のＦ−Ｆ断面図である。 6 (a) is a sectional view taken along line EE of FIG. 5, and FIG. 6 (b) is a sectional view taken along line FF of FIG.

図６（ａ）、図６（ｂ）に示すように、透光部材２０Ａは、外側面２２Ａａとその反対側の内側面２２Ａｂとを含む透光部材本体２２Ａを含む。 As shown in FIGS. 6A and 6B, the translucent member 20A includes a translucent member main body 22A including an outer surface 22Aa and an inner surface 22Ab on the opposite side thereof.

外側面２２Ａａは、Ｘ軸及びＹ軸を含む平面による切断面が曲線となり（図６（ｂ）参照）、かつ、Ｘ軸及びＺ軸を含む平面による切断面も曲線となる（図６（ａ）参照）面（以下、３次曲面ともいう）として構成される。 On the outer side surface 22Aa, the cut surface formed by the plane including the X-axis and the Y-axis is curved (see FIG. 6B), and the cut surface formed by the plane including the X-axis and the Z-axis is also curved (FIG. 6 (a)). )) It is configured as a plane (hereinafter, also referred to as a cubic curved surface).

内側面２２Ａｂは、有機ＥＬパネル３０の発光面３０ａが面接触する発光面接触面２２Ａｂ１を底面とする凹部２６と、当該凹部２６（発光面接触面２２Ａｂ１）を取り囲む内側周囲面２２Ａｂ２と、を含む。 The inner side surface 22Ab includes a recess 26 having a light emitting surface contact surface 22Ab1 whose bottom surface is in contact with the light emitting surface 30a of the organic EL panel 30, and an inner peripheral surface 22Ab2 surrounding the recess 26 (light emitting surface contact surface 22Ab1). ..

図６（ａ）、図６（ｂ）に示すように、発光面接触面２２Ａｂ１と外側面２２Ａａとの間は、内側周囲面２２Ａｂ２と外側面２２Ａａとの間より厚みが薄く、発光面接触面２２Ａｂ１を底面とする凹部２６を構成する。 As shown in FIGS. 6A and 6B, the space between the light emitting surface contact surface 22Ab1 and the outer surface 22Aa is thinner than the space between the inner peripheral surface 22Ab2 and the outer surface 22Aa, and the light emitting surface contact surface is thinner. A recess 26 having 22Ab1 as the bottom surface is formed.

発光面接触面２２Ａｂ１は、例えば、Ｘ軸及びＹ軸を含む平面（本発明の第１平面に相当）による切断面が曲線（例えば、透光部材２０Ａの意匠面である外側面２２Ａａに沿った曲線）となり（図６（ｂ）参照）、かつ、Ｘ軸及びＺ軸を含む平面（本発明の第２平面に相当）による切断面が直線（例えば、Ｚ軸に対して平行の直線）となる（図６（ａ）参照）面（以下、２次曲面ともいう）として構成される。なお、Ｘ軸及びＹ軸を含む平面による切断面（曲線）は、透光部材２０Ａの意匠面である外側面２２Ａａに沿った曲線が望ましいが、これに限らず、二次曲線、三次曲線等の曲線であってもよい。 The light emitting surface contact surface 22Ab1 has, for example, a cut surface formed by a plane including the X-axis and the Y-axis (corresponding to the first plane of the present invention) along a curved surface (for example, the outer surface 22Aa which is the design surface of the translucent member 20A). Curved surface) (see FIG. 6B), and the cut surface of the plane including the X-axis and the Z-axis (corresponding to the second plane of the present invention) is a straight line (for example, a straight line parallel to the Z-axis). (See FIG. 6A) It is configured as a plane (hereinafter, also referred to as a quadratic curved line). The cut surface (curve) formed by a plane including the X-axis and the Y-axis is preferably a curve along the outer surface 22Aa, which is the design surface of the translucent member 20A, but is not limited to this, and is not limited to this, such as a quadratic curve or a cubic curve. It may be a curve of.

上記構成の透光部材２０Ａは、例えば、金型を用いてアクリルやポリカーボネイト等の透明樹脂を射出成形することにより一体成形することができる。 The translucent member 20A having the above configuration can be integrally molded, for example, by injection molding a transparent resin such as acrylic or polycarbonate using a mold.

固定部材４０Ａは、例えば、ブラケットである。 The fixing member 40A is, for example, a bracket.

図４（ｂ）に示すように、固定部材４０Ａは、有機ＥＬパネル３０と透光部材２０Ａとを、有機ＥＬパネル３０の発光面３０ａと透光部材２０Ａの発光面接触面２２Ａｂ１とが面接触した状態で固定する。具体的には、次のようにして固定する。 As shown in FIG. 4B, in the fixing member 40A, the organic EL panel 30 and the translucent member 20A are in surface contact with each other, and the light emitting surface 30a of the organic EL panel 30 and the light emitting surface contact surface 22Ab1 of the translucent member 20A are in surface contact with each other. Fix it in the same state. Specifically, it is fixed as follows.

図５に示すように、固定部材４０Ａは、外側面４２Ａａとその反対側の内側面４２Ａｂとを含む固定部材本体４２Ａを含む。固定部材本体４２Ａは、押さえ部４２Ａａ１と、当該押さえ部４２Ａａ１を取り囲む外側周囲面４２Ａａ２と、を含む。押さえ部４２Ａａ１は、有機ＥＬパネル３０の発光面３０ａが透光部材２０Ａの発光面接触面２２Ａｂ１に面接触するように、有機ＥＬパネル３０の発光面３０ａとは反対側の裏面３０ｂを押さえる。なお、固定部材４０Ａには、有機ＥＬパネル３０に電力を供給するための電源ケーブル等が通される貫通穴４９（本発明の電源ケーブル用の貫通穴に相当）が形成されている。固定部材４０Ａ（貫通穴４９）は、有機ＥＬパネル３０の背面側に配置されており、有機ＥＬパネル３０で覆い隠された状態となるため、正面から固定部材４０Ａ（貫通穴４９）が視認されるのを防止することができる（特に、有機ＥＬパネル３０として、不透明な有機ＥＬパネルを用いた場合）。なお、この貫通穴４９は、図示しないが、第１実施形態の固定部材４０に形成されていてもよい。 As shown in FIG. 5, the fixing member 40A includes a fixing member main body 42A including an outer surface 42Aa and an inner surface 42Ab on the opposite side thereof. The fixing member main body 42A includes a pressing portion 42Aa1 and an outer peripheral surface 42Aa2 surrounding the pressing portion 42Aa1. The pressing portion 42Aa1 presses the back surface 30b on the opposite side of the organic EL panel 30 from the light emitting surface 30a so that the light emitting surface 30a of the organic EL panel 30 comes into surface contact with the light emitting surface contact surface 22Ab1 of the translucent member 20A. The fixing member 40A is formed with a through hole 49 (corresponding to a through hole for the power cable of the present invention) through which a power cable or the like for supplying electric power to the organic EL panel 30 is passed. Since the fixing member 40A (through hole 49) is arranged on the back side of the organic EL panel 30 and is covered by the organic EL panel 30, the fixing member 40A (through hole 49) can be visually recognized from the front. (Especially when an opaque organic EL panel is used as the organic EL panel 30). Although not shown, the through hole 49 may be formed in the fixing member 40 of the first embodiment.

押さえ部４２Ａａ１は、例えば、外側面４２Ａａのうち有機ＥＬパネル３０の裏面３０ｂが対向する領域である。押さえ部４２Ａａ１のサイズは、有機ＥＬパネル３０の裏面３０ｂ全域を押さえるため、有機ＥＬパネル３０の裏面３０ｂと同じ（又は略同じ）サイズである。押さえ部４２Ａａ１は、発光面接触面２２Ａｂ１と同様の２次曲面として構成される。 The pressing portion 42Aa1 is, for example, a region of the outer surface 42Aa where the back surface 30b of the organic EL panel 30 faces. The size of the pressing portion 42Aa1 is the same (or substantially the same) as the back surface 30b of the organic EL panel 30 because the entire back surface 30b of the organic EL panel 30 is pressed. The pressing portion 42Aa1 is configured as a quadric surface similar to the light emitting surface contact surface 22Ab1.

外側周囲面４２Ａａ２は、例えば、当該外側周囲面４２Ａａ２が対向する外側面２２Ａａと同様の３次曲面として構成される。なお、外側周囲面４２Ａａ２は、発光面接触面２２Ａｂ１と同様の２次曲面として構成してもよい。 The outer peripheral surface 42Aa2 is configured as, for example, a cubic curved surface similar to the outer surface 22Aa with which the outer peripheral surface 42Aa2 faces. The outer peripheral surface 42Aa2 may be configured as a quadric surface similar to the light emitting surface contact surface 22Ab1.

固定部材４０Ａと透光部材２０Ａとを固定する手段として、例えば、超音波溶着を用いることができる。例えば、固定部材４０Ａと透光部材２０Ａとを各々の上端部及び下端部において密着させて当該密着させた上端部と下端部とを超音波溶着することで、固定部材４０Ａは、当該固定部材４０Ａの押さえ部４２Ａａ１が有機ＥＬパネル３０の裏面３０ｂを押さえた状態で、透光部材２０Ａに固定される。 As a means for fixing the fixing member 40A and the translucent member 20A, for example, ultrasonic welding can be used. For example, the fixing member 40A and the translucent member 20A are brought into close contact with each other at the upper end portion and the lower end portion thereof, and the upper end portion and the lower end portion in which the fixing member 40A is brought into close contact with each other are ultrasonically welded. The pressing portion 42Aa1 is fixed to the translucent member 20A in a state of pressing the back surface 30b of the organic EL panel 30.

具体的には、固定部材４０Ａは、当該固定部材４０Ａの押さえ部４２Ａａ１が有機ＥＬパネル３０の裏面３０ｂに当接（面接触）し、かつ、有機ＥＬパネル３０の発光面３０ａが透光部材２０Ａの発光面接触面２２Ａｂ１に面接触した状態（図４（ｂ）参照）で透光部材２０Ａに固定される。図４（ｂ）、図７中の符号５０は、超音波溶着による溶着部を示す。なお、さらに、固定部材４０Ａと透光部材２０Ａとを各々の左端部及び右端部において密着させて当該密着させた左端部と右端部とを超音波溶着してもよい。 Specifically, in the fixing member 40A, the pressing portion 42Aa1 of the fixing member 40A is in contact (surface contact) with the back surface 30b of the organic EL panel 30, and the light emitting surface 30a of the organic EL panel 30 is the translucent member 20A. It is fixed to the translucent member 20A in a state of being in surface contact with the light emitting surface contact surface 22Ab1 (see FIG. 4B). Reference numeral 50 in FIGS. 4 (b) and 7 indicates a welded portion by ultrasonic welding. Further, the fixing member 40A and the translucent member 20A may be brought into close contact with each other at the left end portion and the right end portion thereof, and the left end portion and the right end portion which are brought into close contact with each other may be ultrasonically welded.

以上のようにして、固定部材４０Ａは、有機ＥＬパネル３０と透光部材２０Ａとを、図４（ｂ）に示すように、有機ＥＬパネル３０の発光面３０ａと透光部材２０Ａの発光面接触面２２Ａｂ１とが面接触した状態で固定する。 As described above, in the fixing member 40A, the organic EL panel 30 and the translucent member 20A are brought into contact with the light emitting surface 30a of the organic EL panel 30 and the light emitting surface member 20A as shown in FIG. 4 (b). The surface 22Ab1 is fixed in surface contact with the surface 22Ab1.

その際、有機ＥＬパネル３０の上下左右縁が透光部材２０Ａの凹部２６の内壁に取り囲まれた状態となる。また、有機ＥＬパネル３０が、透光部材２０Ａ（発光面接触面２２Ａｂ１）と固定部材４０Ａ（押さえ部４２Ａａ１）との間に挟持された状態となる。 At that time, the upper, lower, left, and right edges of the organic EL panel 30 are surrounded by the inner wall of the recess 26 of the translucent member 20A. Further, the organic EL panel 30 is sandwiched between the light transmitting member 20A (light emitting surface contact surface 22Ab1) and the fixing member 40A (holding portion 42Aa1).

これにより、有機ＥＬパネル３０の透光部材２０Ａに対する上下左右前後方向（ＸＹＺ軸方向）の移動が規制される。透光部材２０Ａの凹部２６が本発明の規制部に相当する。 As a result, the movement of the organic EL panel 30 with respect to the translucent member 20A in the vertical, horizontal, front-back directions (XYZ axis directions) is restricted. The recess 26 of the translucent member 20A corresponds to the regulation portion of the present invention.

以上説明したように、本実施形態によれば、第１実施形態と同様の効果に加え、第１実施形態より車両用灯具の見栄えを改善することができるという効果を奏することができる。 As described above, according to the present embodiment, in addition to the same effect as that of the first embodiment, it is possible to obtain the effect that the appearance of the vehicle lamp can be improved as compared with the first embodiment.

これは、主に、段差部２４（図３参照）に代えて発光面接触面２２Ａｂ１を底面とする凹部２６を用いたため、透光部材２０Ａを通して段差部２４や爪部２４ｃ等が視認されないことによるものである。 This is mainly because the recess 26 having the light emitting surface contact surface 22Ab1 as the bottom surface is used instead of the step portion 24 (see FIG. 3), so that the step portion 24, the claw portion 24c, and the like cannot be visually recognized through the translucent member 20A. It is a thing.

次に、変形例について説明する。 Next, a modified example will be described.

上記各実施形態では、本発明の車両用灯具をテールランプに適用した例について説明したが、これに限らない。例えば、テールランプ以外のストップランプやサイドマーカーランプや車両用前照灯にも本発明の車両用灯具を適用してもよい。 In each of the above embodiments, an example in which the vehicle lamp of the present invention is applied to a tail lamp has been described, but the present invention is not limited to this. For example, the vehicle lighting equipment of the present invention may be applied to stop lamps, side marker lamps, and vehicle headlights other than tail lamps.

また上記各実施形態では、透光部材２０、２０Ａとして、アウターレンズを用いた例について説明したが、これに限らない。例えば、透光部材２０、２０Ａとして、インナーレンズ、その他のレンズ（又は透光カバー等）を用いてもよい。 Further, in each of the above embodiments, an example in which an outer lens is used as the translucent members 20 and 20A has been described, but the present invention is not limited to this. For example, as the translucent members 20 and 20A, an inner lens or another lens (or a translucent cover or the like) may be used.

また上記各実施形態では、有機ＥＬパネル３０として、可撓性を備える有機ＥＬパネルを用いた例について説明したが、これに限らない。例えば、有機ＥＬパネル３０として、可撓性を備えない、表面側及び裏面側が平板状のガラス板で覆われた有機ＥＬパネルを用いてもよい。 Further, in each of the above embodiments, an example in which a flexible organic EL panel is used as the organic EL panel 30 has been described, but the present invention is not limited to this. For example, as the organic EL panel 30, an organic EL panel having no flexibility and whose front surface side and back surface side are covered with a flat glass plate may be used.

この場合、発光面接触面２２ｂ１、２２Ａｂ１として、Ｘ軸及びＹ軸を含む平面による切断面が直線となり、かつ、Ｘ軸及びＺ軸を含む平面による切断面も直線となる面（すなわち、平面）を用いるのが望ましい。 In this case, as the light emitting surface contact surfaces 22b1 and 22Ab1, the plane cut by the plane including the X-axis and the Y-axis is a straight line, and the cut surface by the plane including the X-axis and the Z-axis is also a straight line (that is, a plane). It is desirable to use.

また上記各実施形態では、発光面接触面２２ｂ１、２２Ａｂ１として、Ｘ軸及びＹ軸を含む平面（本発明の第１平面に相当）による切断面が曲線となり、かつ、Ｘ軸及びＺ軸を含む平面（本発明の第２平面に相当）による切断面が直線となる面を用いた例について説明したが、これに限らない。 Further, in each of the above embodiments, as the light emitting surface contact surfaces 22b1 and 22Ab1, the cut surface formed by the plane including the X-axis and the Y-axis (corresponding to the first plane of the present invention) is curved and includes the X-axis and the Z-axis. An example in which a plane (corresponding to the second plane of the present invention) has a straight cut surface has been described, but the present invention is not limited to this.

例えば、発光面接触面２２ｂ１、２２Ａｂ１として、Ｘ軸及びＹ軸を含む平面による切断面が直線となり、かつ、Ｘ軸及びＺ軸を含む平面による切断面が曲線となる面を用いてもよい。 For example, as the light emitting surface contact surfaces 22b1 and 22Ab1, a surface in which the cut surface formed by a plane including the X-axis and the Y-axis is a straight line and the cut surface formed by a plane including the X-axis and the Z-axis is a curved line may be used.

また例えば、発光面接触面２２ｂ１、２２Ａｂ１として、Ｘ軸及びＹ軸を含む平面による切断面が直線となり、かつ、Ｘ軸及びＺ軸を含む平面による切断面が直線となる面（すなわち、平面）を用いてもよい。 Further, for example, as the light emitting surface contact surfaces 22b1 and 22Ab1, the plane cut by the plane including the X-axis and the Y-axis is a straight line, and the cut surface by the plane including the X-axis and the Z-axis is a straight line (that is, a plane). May be used.

また上記各実施形態では、有機ＥＬパネル３０の裏面３０ｂ全域を押さえるため、有機ＥＬパネル３０の裏面３０ｂと同じ（又は略同じ）サイズの押さえ部４２ａ１、４２Ａａ１を用いた例について説明したが、これに限らない。 Further, in each of the above embodiments, in order to press the entire back surface 30b of the organic EL panel 30, an example in which pressing portions 42a1 and 42Aa1 having the same (or substantially the same) size as the back surface 30b of the organic EL panel 30 are used has been described. Not limited to.

例えば、押さえ部４２ａ１、４２Ａａ１として、有機ＥＬパネル３０の裏面３０ｂの一部を押さえる線状リブ（線アテ形状）又は点状リブ（点アテ形状）を用いてもよい。 For example, as the pressing portions 42a1 and 42Aa1, linear ribs (line ate shape) or point-shaped ribs (point ate shape) that press a part of the back surface 30b of the organic EL panel 30 may be used.

このようにすれば、透光部材２０、２０Ａや固定部材４０、４０Ａの形状のばらつき等に起因して有機ＥＬパネル３０が透光部材２０、２０Ａと固定部材４０、４０Ａとの間でがたつくのを、第１実施形態と比べ、さらに抑制することができる。 In this way, the organic EL panel 30 rattles between the translucent members 20 and 20A and the fixing members 40 and 40A due to variations in the shapes of the translucent members 20 and 20A and the fixing members 40 and 40A. Can be further suppressed as compared with the first embodiment.

図８（ａ）は押さえ部４２Ａａ１として、有機ＥＬパネル３０の裏面３０ｂの一部を押さえる線状リブ４７ａを用いた車両用灯具１０Ａ１の一例、図８（ｂ）は図８（ａ）のＧ−Ｇ断面図（部分断面図）である。線状リブ４７ａは、有機ＥＬパネル３０の上端部（下端部）に沿って延びており、有機ＥＬパネル３０の裏面３０ｂの一部（上端部及び下端部）を押さえる。 FIG. 8A shows an example of a vehicle lamp 10A1 using a linear rib 47a for pressing a part of the back surface 30b of the organic EL panel 30 as the pressing portion 42Aa1, and FIG. 8B shows G in FIG. 8A. -G sectional view (partial sectional view). The linear rib 47a extends along the upper end portion (lower end portion) of the organic EL panel 30 and presses a part (upper end portion and lower end portion) of the back surface 30b of the organic EL panel 30.

図８（ｃ）は押さえ部４２Ａａ１として、有機ＥＬパネル３０の裏面３０ｂの一部を押さえる線状リブ４７ｂを用いた車両用灯具１０Ａ２の一例、図８（ｄ）は図８（ｃ）のＨ−Ｈ断面図（部分断面図）である。線状リブ４７ｂは、有機ＥＬパネル３０の上端縁（下端縁）に対して平行の方向に延びており、有機ＥＬパネル３０の裏面３０ｂの一部（上端縁と下端縁との間）を押さえる。 FIG. 8C shows an example of a vehicle lamp 10A2 using a linear rib 47b that presses a part of the back surface 30b of the organic EL panel 30 as the pressing portion 42Aa1, and FIG. 8D shows H in FIG. 8C. −H sectional view (partial sectional view). The linear rib 47b extends in a direction parallel to the upper end edge (lower end edge) of the organic EL panel 30 and presses a part (between the upper end edge and the lower end edge) of the back surface 30b of the organic EL panel 30. ..

図８（ｅ）は押さえ部４２Ａａ１として、有機ＥＬパネル３０の裏面３０ｂの一部を押さえる点状リブ４７ｃを用いた車両用灯具１０Ａ３の一例、図８（ｆ）は図８（ｅ）のＩ−Ｉ断面図（部分断面図）である。点状リブ４７ｃは、有機ＥＬパネル３０の上端部（下端部）に沿って配置されており、有機ＥＬパネル３０の裏面３０ｂの一部（上端部及び下端部）を押さえる。 FIG. 8 (e) shows an example of a vehicle lamp 10A3 using a point-shaped rib 47c that presses a part of the back surface 30b of the organic EL panel 30 as the pressing portion 42Aa1, and FIG. 8 (f) shows I of FIG. 8 (e). -I sectional view (partial sectional view). The point ribs 47c are arranged along the upper end portion (lower end portion) of the organic EL panel 30 and press a part (upper end portion and lower end portion) of the back surface 30b of the organic EL panel 30.

本変形例によれば、各リブ４７ａ、４７ｂ、４７ｃは、有機ＥＬパネル３０の背面側に配置された固定部材４０Ａに形成されており、有機ＥＬパネル３０で覆い隠された状態となるため、正面から固定部材４０Ａ（各リブ４７ａ、４７ｂ、４７ｃ）が視認されるのを防止することができる（特に、有機ＥＬパネル３０として、不透明な有機ＥＬパネルを用いた場合）。 According to this modification, the ribs 47a, 47b, and 47c are formed on the fixing member 40A arranged on the back side of the organic EL panel 30, and are covered by the organic EL panel 30. It is possible to prevent the fixing member 40A (the ribs 47a, 47b, 47c) from being visually recognized from the front (particularly, when an opaque organic EL panel is used as the organic EL panel 30).

また、上記各実施形態では、固定部材４０、４０Ａとして、ブラケットを用いた例について説明したが、これに限らない。 Further, in each of the above embodiments, an example in which a bracket is used as the fixing members 40 and 40A has been described, but the present invention is not limited to this.

例えば、固定部材４０、４０Ａとして、発光面接触面２２ｂ１、２２Ａｂ１と有機ＥＬパネル３０の発光面３０ａとを密着させることが可能な部材（例えば、透明な両面テープ、透明な接着剤）を用いてもよい。 For example, as the fixing members 40 and 40A, a member (for example, a transparent double-sided tape or a transparent adhesive) capable of bringing the light emitting surface contact surfaces 22b1 and 22Ab1 into close contact with the light emitting surface 30a of the organic EL panel 30 is used. May be good.

また、上記第２実施形態では、固定部材４０Ａと透光部材２０Ａとを固定する手段として、超音波溶着を用いた例について説明したが、これに限らない。例えば、固定部材４０Ａと透光部材２０Ａとを固定する手段として、例えば、図９に示すように、透光部材２０Ａ（内側面２２Ａｂ）の四隅に設けられた爪部２８（フック）、及び、固定部材４０Ａの四隅に形成された開口４５を用いてもよい。 Further, in the second embodiment, an example in which ultrasonic welding is used as a means for fixing the fixing member 40A and the translucent member 20A has been described, but the present invention is not limited to this. For example, as means for fixing the fixing member 40A and the translucent member 20A, for example, as shown in FIG. 9, claws 28 (hooks) provided at the four corners of the translucent member 20A (inner side surface 22Ab) and The openings 45 formed at the four corners of the fixing member 40A may be used.

本変形例によれば、図１０、図１１に示すように、固定部材４０Ａの四隅に形成された開口４５に透光部材２０Ａ（内側面２２Ａｂ）の四隅に設けられた爪部２８を係合することで、固定部材４０Ａは、有機ＥＬパネル３０と透光部材２０Ａとを、有機ＥＬパネル３０の発光面３０ａと透光部材２０Ａの発光面接触面２２Ａｂ１とが面接触した状態で固定することができる。 According to this modification, as shown in FIGS. 10 and 11, the claws 28 provided at the four corners of the translucent member 20A (inner side surface 22Ab) are engaged with the openings 45 formed at the four corners of the fixing member 40A. By doing so, the fixing member 40A fixes the organic EL panel 30 and the translucent member 20A in a state where the light emitting surface 30a of the organic EL panel 30 and the light emitting surface contact surface 22Ab1 of the translucent member 20A are in surface contact with each other. Can be done.

上記各実施形態で示した各数値は全て例示であり、これと異なる適宜の数値を用いることができるのは無論である。 Each numerical value shown in each of the above embodiments is an example, and it goes without saying that an appropriate numerical value different from this can be used.

上記各実施形態はあらゆる点で単なる例示にすぎない。上記各実施形態の記載によって本発明は限定的に解釈されるものではない。本発明はその精神または主要な特徴から逸脱することなく他の様々な形で実施することができる。 Each of the above embodiments is merely an example in every respect. The present invention is not limitedly interpreted by the description of each of the above embodiments. The present invention can be practiced in various other forms without departing from its spirit or key features.

１０、１０Ａ、１０Ａ１〜１０Ａ３…車両用灯具、２０、２０Ａ…透光部材、２２、２２Ａ…透光部材本体、２２Ａａ…外側面、２２Ａｂ…内側面、２２Ａｂ１…発光面接触面、２２Ａｂ２…内側周囲面、２２ａ…外側面、２２ｂ…内側面、２２ｂ１…発光面接触面、２２ｂ２…内側周囲面、２４…段差部、２４ａ…上リブ、２４ｂ…下リブ、２４ｃ…爪部、２６…凹部、２８…爪部、３０…有機ＥＬパネル、３０ａ…発光面、３０ｂ…裏面、４０、４０Ａ…固定部材、４２、４２Ａ…固定部材本体、４２Ａａ…外側面、４２Ａａ１…押さえ部、４２Ａａ２…内側周囲面、４２Ａｂ…内側面、４２ａ…外側面、４２ａ１…押さえ部、４２ｂ…内側面、４４…壁部、４４ａ…開口、４５…開口、４７ａ、４７ｂ…線状リブ、４７ｃ…点状リブ、５０…溶着部、６０、６０Ａ…ハウジング、Ｆ…矢印 10, 10A, 10A1-10A3 ... Vehicle lamps, 20, 20A ... Translucent member, 22, 22A ... Translucent member body, 22Aa ... Outer surface, 22Ab ... Inner surface, 22Ab1 ... Light emitting surface contact surface, 22Ab2 ... Inner circumference Surface, 22a ... Outer surface, 22b ... Inner surface, 22b1 ... Light emitting surface contact surface, 22b2 ... Inner peripheral surface, 24 ... Stepped portion, 24a ... Upper rib, 24b ... Lower rib, 24c ... Claw portion, 26 ... Recessed portion, 28 ... Claw part, 30 ... Organic EL panel, 30a ... Light emitting surface, 30b ... Back surface, 40, 40A ... Fixing member, 42, 42A ... Fixing member body, 42Aa ... Outer surface, 42Aa1 ... Holding part, 42Aa2 ... Inner peripheral surface, 42Ab ... Inner surface, 42a ... Outer surface, 42a1 ... Pressing part, 42b ... Inner side surface, 44 ... Wall part, 44a ... Opening, 45 ... Opening, 47a, 47b ... Linear rib, 47c ... Dot rib, 50 ... Welding Part, 60, 60A ... Housing, F ... Arrow

Claims (7)

外側面と内側面を有するアウターレンズと、
前記アウターレンズを透過して照射される光を発光する発光面を含む有機ＥＬパネルと、
前記有機ＥＬパネルと前記アウターレンズとを固定する固定部材と、を備え、
前記アウターレンズの内側面は、前記有機ＥＬパネルの前記発光面が面接触する発光面接触面と、当該発光面接触面を取り囲む内側周囲面と、を含み、
前記発光面接触面と前記外側面との間は、前記内側周囲面と前記外側面との間より厚みが厚く形成された段差部を設けており、
前記アウターレンズの外側面は、第１平面による切断面、および、前記第１平面に直交する第２平面による切断面が曲線となる面となる3次曲面であり、
前記発光面接触面は、前記第１平面による切断面及び前記第１平面に直交する前記第２平面による切断面のうち少なくとも一方が直線となる面であり、もう一方が曲線となる面となる2次曲面であり、
前記有機ELパネルを、前記外側面が3次曲面の前記アウターレンズの前記内側面に面接触するように、前記固定部材で固定する車両用灯具。 An outer lens with an outer side and an inner side,
An organic EL panel including a light emitting surface that emits light that is transmitted through the outer lens and emitted.
A fixing member for fixing the organic EL panel and the outer lens is provided.
The inner surface of the outer lens includes a light emitting surface contact surface with which the light emitting surface of the organic EL panel comes into surface contact, and an inner peripheral surface surrounding the light emitting surface contact surface.
Between the light emitting surface contact surface and the outer surface, a step portion formed to be thicker than between the inner peripheral surface and the outer surface is provided.
The outer surface of the outer lens is a cubic curved surface in which the cut surface formed by the first plane and the cut surface formed by the second plane orthogonal to the first plane are curved surfaces.
The light emitting surface contact surface is a surface in which at least one of the cut surface by the first plane and the cut surface by the second plane orthogonal to the first plane is a straight line and the other is a curved surface. It is a quadric surface
A vehicle lamp for fixing the organic EL panel with the fixing member so that the outer surface contacts the inner surface of the outer lens having a cubic curved surface. 前記固定部材は、前記有機ＥＬパネルと前記アウターレンズとを、前記有機ＥＬパネルの前記発光面と前記アウターレンズの前記発光面接触面とが面接触した状態で固定する請求項１に記載の車両用灯具。 The vehicle according to claim 1, wherein the fixing member fixes the organic EL panel and the outer lens in a state where the light emitting surface of the organic EL panel and the light emitting surface contact surface of the outer lens are in surface contact with each other. Lighting equipment. 前記固定部材は、前記有機ＥＬパネルの前記発光面が前記アウターレンズの前記発光面接触面に面接触するように、前記有機ＥＬパネルの前記発光面とは反対側の裏面を押さえる押さえ部を含み、
前記固定部材は、当該固定部材の前記押さえ部が前記有機ＥＬパネルの前記裏面を押さえた状態で、前記アウターレンズに固定される請求項１または２に記載の車両用灯具。 The fixing member includes a pressing portion that presses the back surface of the organic EL panel opposite to the light emitting surface so that the light emitting surface of the organic EL panel comes into surface contact with the light emitting surface contact surface of the outer lens. ,
The vehicle lamp according to claim 1 or 2 , wherein the fixing member is fixed to the outer lens in a state where the pressing portion of the fixing member presses the back surface of the organic EL panel. さらに、前記有機ＥＬパネルの前記アウターレンズに対する上下左右方向の移動を規制する規制部を備える請求項１〜３のいずれか１項に記載の車両用灯具。 The vehicle lamp according to any one of claims 1 to 3 , further comprising a regulating unit that regulates the movement of the organic EL panel with respect to the outer lens in the vertical and horizontal directions. 前記発光面接触面のもう一方が曲線となる面は、前記アウターレンズの外側面の曲線に沿っている請求項１〜４のいずれか1項に記載の車両用灯具。 The vehicle lamp according to any one of claims 1 to 4 , wherein the other side of the light emitting surface contact surface is a curved surface, which is along the curved surface of the outer surface of the outer lens. 前記有機ＥＬパネルは、可撓性を備える請求項１〜５のいずれか１項に記載の車両用灯具。 The vehicle lamp according to any one of claims 1 to 5 , wherein the organic EL panel has flexibility. 前記固定部材は、正面から前記固定部材が視認されないように前記有機ＥＬパネルの背面側に配置されており、
前記固定部材には、前記有機ＥＬパネルに電力を供給するための電源ケーブル用の貫通穴が形成されている請求項１〜６のいずれか１項に記載の車両用灯具。 The fixing member is arranged on the back side of the organic EL panel so that the fixing member cannot be visually recognized from the front.
The vehicle lamp according to any one of claims 1 to 6 , wherein a through hole for a power cable for supplying electric power to the organic EL panel is formed in the fixing member.
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