JP6763272B2 - Vehicle lighting - Google Patents
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- JP6763272B2 JP6763272B2 JP2016200190A JP2016200190A JP6763272B2 JP 6763272 B2 JP6763272 B2 JP 6763272B2 JP 2016200190 A JP2016200190 A JP 2016200190A JP 2016200190 A JP2016200190 A JP 2016200190A JP 6763272 B2 JP6763272 B2 JP 6763272B2
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本発明は、車両用灯具に関する。 The present invention relates to a vehicle lamp.
下記特許文献１には、光源からの光が導光される長尺状の導光部材（導光体）を備えた車両用灯具（車両照明装置）が開示されている。この車両用灯具では、導光部材の長手方向の一方側の端部から光源の光が導光されるようになっている。 Patent Document 1 below discloses a vehicle lighting device (vehicle lighting device) provided with a long light guide member (light guide body) that guides light from a light source. In this vehicle lamp, the light from the light source is guided from one end of the light guide member in the longitudinal direction.
ところで、導光部材を備えた車両用灯具では、導光部材に導光される光の量が少なくなることを抑制することが望まれる。 By the way, in a vehicle lamp provided with a light guide member, it is desired to suppress a decrease in the amount of light guided by the light guide member.
本発明は上記事実を考慮し、導光部材に導光される光の量が少なくなることを抑制することができる車両用灯具を得ることが目的である。 In consideration of the above facts, an object of the present invention is to obtain a vehicle lamp capable of suppressing a decrease in the amount of light guided to the light guide member.
請求項１記載の車両用灯具は、光を照射する光源と、板状に形成されていると共に厚み方向と直交する方向の端部から前記光源の光が導光され、厚み方向一方側の面が導光された光が照射される照射面とされた導光部材と、前記導光部材において前記光源の光が導光される部分を覆うと共に、前記導光部材の厚み方向に対向して配置された第１対向部及び第２対向部を有し、前記第１対向部における第２対向部側の面及び前記第２対向部における第１対向部側の面が前記光源の光を反射させる反射面とされ、該反射面で反射された光が前記導光部材に導光されるリフレクタと、を備え、前記光源は、ＬＥＤとされ、前記ＬＥＤは、前記第１対向部及び前記第２対向部のいずれか一方に固定され、前記第１対向部の前記反射面が、平面状に形成され、前記第２対向部の前記反射面が、前記第１対向部側が開放された凹状に形成され、前記第２対向部は、前記第１対向部と前記導光部材の厚み方向に対向していると共に該第１対向部と平行に延在する頂壁部と、該頂壁部と前記第１対向部とをつなぐ周壁部と、を備えており、前記頂壁部と前記周壁部との間には、屈曲部が形成されており、前記ＬＥＤの一部が前記屈曲部と前記導光部材の厚み方向に対向する位置に配置された状態でかつ前記ＬＥＤの光の照射方向が前記頂壁部側へ向けられた状態で、前記ＬＥＤが前記第１対向部に固定されている。
請求項２記載の車両用灯具は、光を照射する光源と、板状に形成されていると共に厚み方向と直交する方向の端部から前記光源の光が導光され、厚み方向一方側の面が導光された光が照射される照射面とされた導光部材と、前記導光部材において前記光源の光が導光される部分を覆うと共に、前記導光部材の厚み方向に対向して配置された第１対向部及び第２対向部を有し、前記第１対向部における第２対向部側の面及び前記第２対向部における第１対向部側の面が前記光源の光を反射させる反射面とされ、該反射面で反射された光が前記導光部材に導光されるリフレクタと、を備え、前記光源は、ＬＥＤとされ、前記ＬＥＤは、前記第１対向部及び前記第２対向部のいずれか一方に固定され、前記第１対向部の前記反射面が、平面状に形成され、前記第２対向部の前記反射面が、前記第１対向部側が開放された凹状に形成され、前記第２対向部は、前記第１対向部と前記導光部材の厚み方向に対向していると共に該第１対向部と平行に延在する頂壁部と、該頂壁部と前記第１対向部とをつなぐ周壁部と、を備えており、前記ＬＥＤの一部が前記周壁部と前記導光部材の厚み方向に対向する位置に配置された状態でかつ前記ＬＥＤの光の照射方向が前記頂壁部側へ向けられた状態で、前記ＬＥＤが前記第１対向部に固定されている。
請求項３記載の車両用灯具は、光を照射する光源と、板状に形成されていると共に厚み方向と直交する方向の端部から前記光源の光が導光され、厚み方向一方側の面が導光された光が照射される照射面とされた導光部材と、前記導光部材において前記光源の光が導光される部分を覆うと共に、前記導光部材の厚み方向に対向して配置された第１対向部及び第２対向部を有し、前記第１対向部における第２対向部側の面及び前記第２対向部における第１対向部側の面が前記光源の光を反射させる反射面とされ、該反射面で反射された光が前記導光部材に導光されるリフレクタと、を備え、前記光源は、ＬＥＤとされ、前記ＬＥＤは、前記第１対向部及び前記第２対向部のいずれか一方に固定され、前記第１対向部の前記反射面が、平面状に形成され、前記第２対向部の前記反射面が、前記第１対向部側が開放された凹状に形成され、前記第２対向部は、前記第１対向部と前記導光部材の厚み方向に対向していると共に該第１対向部と平行に延在する頂壁部と、該頂壁部と前記第１対向部とをつなぐ周壁部と、を備えており、前記頂壁部と前記周壁部との間には、屈曲部が形成されており、前記ＬＥＤの一部が前記屈曲部と前記導光部材の厚み方向に対向する位置に配置された状態でかつ前記ＬＥＤの光の照射方向が前記屈曲部側へ向けられた状態で、前記ＬＥＤが前記第１対向部に固定されている。
The vehicle lighting equipment according to claim 1 has a light source that irradiates light and a surface that is formed in a plate shape and is guided by the light of the light source from an end portion in a direction orthogonal to the thickness direction and is on one side in the thickness direction. Covers the light guide member as the irradiation surface on which the light is guided and the portion of the light guide member to which the light of the light source is guided, and faces the light guide member in the thickness direction. It has a first facing portion and a second facing portion arranged, and a surface on the second facing portion side of the first facing portion and a surface on the first facing portion side of the second facing portion reflect the light of the light source. The light source is an LED, and the LED is the first facing portion and the first facing portion, and includes a reflecting surface for causing light reflected by the reflecting surface to be guided to the light guide member. The reflective surface of the first opposed portion is formed in a plane shape, and the reflective surface of the second opposed portion is formed into a concave shape in which the first opposed portion side is open. The second facing portion is formed, and the top wall portion that faces the first facing portion in the thickness direction of the light guide member and extends in parallel with the first facing portion, and the top wall portion. A peripheral wall portion connecting the light and the first facing portion is provided, and a bent portion is formed between the top wall portion and the peripheral wall portion, and a part of the LED is connected to the bent portion. The LED is fixed to the first facing portion in a state of being arranged at a position facing the thickness direction of the light guide member and in a state where the light irradiation direction of the LED is directed toward the top wall portion. There is .
The vehicle lighting fixture according to claim 2 has a light source that irradiates light and a surface that is formed in a plate shape and that is guided by the light of the light source from an end portion in a direction orthogonal to the thickness direction and is on one side in the thickness direction. Covers the light guide member as the irradiation surface on which the light is guided and the portion of the light guide member to which the light of the light source is guided, and faces the light guide member in the thickness direction. It has a first facing portion and a second facing portion arranged, and a surface on the second facing portion side of the first facing portion and a surface on the first facing portion side of the second facing portion reflect the light of the light source. The light source is an LED, and the LED is the first facing portion and the first facing portion, and includes a reflecting surface for causing light reflected by the reflecting surface to be guided to the light guide member. The reflective surface of the first opposed portion is formed in a plane shape, and the reflective surface of the second opposed portion is formed into a concave shape in which the first opposed portion side is open. The second facing portion is formed, and the top wall portion that faces the first facing portion in the thickness direction of the light guide member and extends in parallel with the first facing portion, and the top wall portion. A peripheral wall portion that connects the first facing portion is provided, and a part of the LED is arranged at a position facing the peripheral wall portion and the light guide member in the thickness direction, and the light of the LED is used. The LED is fixed to the first facing portion in a state where the irradiation direction is directed to the top wall portion side.
The vehicle lighting fixture according to claim 3 has a light source that irradiates light and a surface that is formed in a plate shape and that is guided by the light of the light source from an end portion in a direction orthogonal to the thickness direction and is on one side in the thickness direction. Covers the light guide member as the irradiation surface on which the light is guided and the portion of the light guide member to which the light of the light source is guided, and faces the light guide member in the thickness direction. It has a first facing portion and a second facing portion arranged, and a surface on the second facing portion side of the first facing portion and a surface on the first facing portion side of the second facing portion reflect the light of the light source. The light source is an LED, and the LED is the first facing portion and the first facing portion, and includes a reflecting surface for causing light reflected by the reflecting surface to be guided to the light guide member. The reflective surface of the first opposed portion is formed in a plane shape, and the reflective surface of the second opposed portion is formed into a concave shape in which the first opposed portion side is open. The second facing portion is formed, and the top wall portion that faces the first facing portion in the thickness direction of the light guide member and extends in parallel with the first facing portion, and the top wall portion. A peripheral wall portion that connects the first facing portion is provided, and a bent portion is formed between the top wall portion and the peripheral wall portion, and a part of the LED is formed between the bent portion and the peripheral wall portion. The LED is fixed to the first facing portion in a state where the light guide member is arranged at a position facing the thickness direction and the light irradiation direction of the LED is directed toward the bent portion side.
請求項１〜請求項３に記載の車両用灯具によれば、光源から照射された光は、導光部材に導光される。そして、導光部材に導光された光源の光は、当該導光部材の照射面から照射される。ここで、請求項１〜請求項３に記載の発明では、導光部材において光源の光が導光される部分が、上記構成のリフレクタによって覆われている。そのため、光源から照射された光の一部は、第１対向部の反射面及び第２対向部の反射面で反射して導光部材へ導光される。このように、請求項１記載の発明では、光源の光を導光部材に導光させることができる。 According to the vehicle lighting equipment according to claims 1 to 3 , the light emitted from the light source is guided to the light guide member. Then, the light of the light source guided by the light guide member is emitted from the irradiation surface of the light guide member. Here, in the invention according to claim 1 to 3, the portion of the light guide member to which the light of the light source is guided is covered with the reflector having the above configuration. Therefore, a part of the light emitted from the light source is reflected by the reflecting surface of the first facing portion and the reflecting surface of the second facing portion and guided to the light guide member. As described above, in the invention according to claim 1, the light of the light source can be guided to the light guide member.
本発明に係る車両用灯具は、導光部材に導光される光の量が少なくなることを抑制することができる、という優れた効果を有する。 The vehicle lamp according to the present invention has an excellent effect that it is possible to suppress a decrease in the amount of light guided to the light guide member.
図１〜図３を用いて本発明の実施形態に係る車両用灯具について説明する。なお、各図において適宜示される矢印ＦＲは、車両前後方向前側を示しており、矢印ＵＰは、車両上下方向上側を示しており、矢印ＲＨは、車両幅方向右側を示しており、矢印ＬＨは、車両幅方向左側を示している。また、以下の説明で特記なく前後、上下、左右の方向を用いる場合は、車両前後方向の前後、車両上下方向の上下、車両幅方向の左右を示すものとする。 The vehicle lamp according to the embodiment of the present invention will be described with reference to FIGS. 1 to 3. In each figure, the arrow FR appropriately shown indicates the front side in the vehicle front-rear direction, the arrow UP indicates the upper side in the vehicle vertical direction, the arrow RH indicates the right side in the vehicle width direction, and the arrow LH indicates the right side in the vehicle width direction. , Indicates the left side in the vehicle width direction. Further, when the front-rear, up-down, and left-right directions are used in the following description without particular mention, the front-rear direction in the front-rear direction of the vehicle, the up-down direction in the up-down direction of the vehicle, and the left-right direction in the width direction of the vehicle shall be indicated.
図２に示されるように、本実施形態の車両用灯具としてのテールランプ１０は、車両１２の後部１２Ｒの右側及び左側にそれぞれ設けられている。なお、車両１２の後部１２Ｒの右側に設けられたテールランプ１０と左側に設けられたテールランプとは、車両１２の中心線１２Ｃを挟んで車幅方向に対称に構成されているため、以下においては車両１２の後部１２Ｒの右側に設けられたテールランプ１０について説明する。 As shown in FIG. 2, the tail lamp 10 as the vehicle lighting tool of the present embodiment is provided on the right side and the left side of the rear portion 12R of the vehicle 12, respectively. Since the tail lamp 10 provided on the right side of the rear portion 12R of the vehicle 12 and the tail lamp provided on the left side are symmetrically configured in the vehicle width direction with the center line 12C of the vehicle 12 in between, the vehicle is described below. The tail lamp 10 provided on the right side of the rear portion 12R of 12 will be described.
図１に示されるように、テールランプ１０は、その外郭の一部を構成するケース１４（図２参照）と、ケース１４内に配置された光源１６と、光源１６から照射された光が導光されると共に導光された光を後方側へ向けて照射させる導光部材１８と、導光部材１８に取付けられたリフレクタ２０と、を含んで構成されている。 As shown in FIG. 1, in the tail lamp 10, the case 14 (see FIG. 2) forming a part of the outer shell thereof, the light source 16 arranged in the case 14, and the light emitted from the light source 16 guide the tail lamp 10. It is configured to include a light guide member 18 for irradiating the light guided by the light guide toward the rear side, and a reflector 20 attached to the light guide member 18.
図１及び図２に示されるように、ケース１４は、内部に光源１６、リフレクタ２０及び導光部材１８が配置された箱状に形成されており、このケース１４の後方側の部位は、透明なレンズ部１４Ａとされている。これにより、導光部材１８から後方側へ照射される光がレンズ部１４Ａを透過することが可能となっている。 As shown in FIGS. 1 and 2, the case 14 is formed in a box shape in which a light source 16, a reflector 20, and a light guide member 18 are arranged inside, and a portion on the rear side of the case 14 is transparent. The lens unit is 14A. As a result, the light emitted from the light guide member 18 to the rear side can pass through the lens portion 14A.
図１に示されるように、光源１６は、通電されることで光を照射することが可能とされており、本実施形態の光源１６は、一例としてＬＥＤである。この光源１６は、光の照射方向が後方側に向けられた状態で、後述するリフレクタ２０に取付けられ（固定され）ている。 As shown in FIG. 1, the light source 16 can irradiate light by being energized, and the light source 16 of the present embodiment is an LED as an example. The light source 16 is attached (fixed) to a reflector 20 described later in a state where the light irradiation direction is directed to the rear side.
導光部材１８は、透明の樹脂やガラスを用いて車幅方向を長手方向とする矩形板状に形成されている。この導光部材１８は、ケース１４（図２参照）内において前後方向を厚み方向として配置された状態で当該ケース１４に固定されている。また、導光部材１８における前方側の面には、前方側へ向けて突出する複数の突起部１８Ａが上下方向に沿って形成されており、この複数の突起部１８Ａは、車幅方向に配列されている。また、突起部１８Ａの突出方向の先端面は、車幅方向内側に向かうにつれて後方側へ傾斜された傾斜面１８Ｂとされている。また、導光部材１８における後方側の面は、上下方向及び幅方向に延在する平面状に形成された照射面１８Ｃとされている。そして、導光部材１８に導光された光源１６の光の大部分が、照射面１８Ｃから後方側へ向けて照射される。また、導光部材１８の左側の端部は、後述するリフレクタ２０が係止されるリフレクタ係止部１８Ｄとされている。さらに、導光部材１８の左側の端面は、リフレクタ２０によって覆われる入光面１８Ｅとされており、この入光面１８Ｅから光源１６の光が入光（導光）されるようになっている。 The light guide member 18 is formed of a transparent resin or glass in a rectangular plate shape having the vehicle width direction as the longitudinal direction. The light guide member 18 is fixed to the case 14 in a state where the light guide member 18 is arranged in the case 14 (see FIG. 2) with the front-rear direction as the thickness direction. Further, on the front surface of the light guide member 18, a plurality of protrusions 18A projecting toward the front side are formed along the vertical direction, and the plurality of protrusions 18A are arranged in the vehicle width direction. Has been done. Further, the tip surface of the protruding portion 18A in the protruding direction is an inclined surface 18B that is inclined to the rear side toward the inside in the vehicle width direction. Further, the rear surface of the light guide member 18 is an irradiation surface 18C formed in a plane extending in the vertical direction and the width direction. Then, most of the light of the light source 16 guided to the light guide member 18 is irradiated from the irradiation surface 18C toward the rear side. Further, the left end portion of the light guide member 18 is a reflector locking portion 18D to which the reflector 20 described later is locked. Further, the left end surface of the light guide member 18 is an incoming light surface 18E covered by the reflector 20, and the light of the light source 16 is received (guided) from the light incoming surface 18E. ..
リフレクタ２０は、前後方向に対向して配置された状態で係合された第１対向部としてのロア側反射部材２２と第２対向部としてのアッパ側反射部材２４とによる分割構造とされている。 The reflector 20 has a divided structure composed of a lower side reflecting member 22 as a first facing portion and an upper side reflecting member 24 as a second facing portion engaged in a state of being arranged so as to face each other in the front-rear direction. ..
ロア側反射部材２２は、前後方向を厚み方向とする矩形板状に形成されている。このロア側反射部材２２の前面は、アルミ蒸着等が施されることにより光を反射することが可能とされた反射面としてのロア側反射面２２Ａとされている。また、ロア側反射部材２２の上下方向及び幅方向の中央部には、光源１６が挿入される挿入孔２２Ｂが形成されている。そして、光源１６が、挿入孔２２Ｂに挿入された状態でロア側反射部材２２に固定されている。 The lower side reflective member 22 is formed in a rectangular plate shape with the front-rear direction as the thickness direction. The front surface of the lower side reflecting member 22 is a lower side reflecting surface 22A as a reflecting surface capable of reflecting light by applying aluminum vapor deposition or the like. Further, an insertion hole 22B into which the light source 16 is inserted is formed in the central portion of the lower side reflection member 22 in the vertical direction and the width direction. Then, the light source 16 is fixed to the lower side reflecting member 22 in a state of being inserted into the insertion hole 22B.
図３（Ａ）及び（Ｂ）に示されるように、アッパ側反射部材２４は、ロア側反射部材２２側が開放された凹状に形成されている。このアッパ側反射部材２４におけるロア側反射部材２２側の面は、アルミ蒸着等が施されることにより光を反射することが可能とされた反射面としてのアッパ側反射面２４Ａとされている。アッパ側反射部材２４の各部について詳述すると、図３（Ｂ）に示されるように、アッパ側反射部材２４は、ロア側反射部材２２と前後方向に対向していると共に当該ロア側反射部材２２と略平行に延在する頂壁部２４Ｂを備えている。また、図３（Ａ）に示されるように、アッパ側反射部材２４は、頂壁部２４Ｂとロア側反射部材２２とをつなぐと共に導光部材１８の厚み方向から見て略Ｕ字状断面とされた周壁部２４Ｃを備えている。この周壁部２４Ｃにおける左側の部分２４ＣＬは、ロア側反射部材２２側が開放された形状に湾曲されている。換言すると、周壁部２４Ｃにおける左側の部分２４ＣＬは、ロア側反射部材２２と平行に延在していない。 As shown in FIGS. 3A and 3B, the upper-side reflective member 24 is formed in a concave shape with the lower-side reflective member 22 side open. The surface of the upper-side reflective member 24 on the lower-side reflective member 22 side is an upper-side reflective surface 24A as a reflective surface capable of reflecting light by applying aluminum vapor deposition or the like. Details of each part of the upper-side reflective member 24 are as shown in FIG. 3B, the upper-side reflective member 24 faces the lower-side reflective member 22 in the front-rear direction and the lower-side reflective member 22 is opposed to the lower-side reflective member 22. It is provided with a top wall portion 24B extending substantially parallel to. Further, as shown in FIG. 3A, the upper side reflecting member 24 connects the top wall portion 24B and the lower side reflecting member 22 and has a substantially U-shaped cross section when viewed from the thickness direction of the light guide member 18. It is provided with a peripheral wall portion 24C. The left side portion 24CL of the peripheral wall portion 24C is curved so that the lower side reflecting member 22 side is open. In other words, the left side portion 24CL of the peripheral wall portion 24C does not extend parallel to the lower side reflective member 22.
以上説明したアッパ側反射部材２４の後端部がロア側反射部材２２に係止されることで、右側が開放された有底箱状のリフレクタ２０が形成されている。そして、このリフレクタ２０の右側の端部が、導光部材１８のリフレクタ係止部１８Ｄに係止されることで、導光部材１８の入光面１８Ｅがリフレクタ２０によって覆われるようになっている。 By locking the rear end portion of the upper side reflecting member 24 described above to the lower side reflecting member 22, a bottomed box-shaped reflector 20 having an open right side is formed. Then, the right end of the reflector 20 is locked to the reflector locking portion 18D of the light guide member 18, so that the light receiving surface 18E of the light guide member 18 is covered by the reflector 20. ..
（本実施形態の作用並びに効果）
次に、本実施形態の作用並びに効果について説明する。
(Action and effect of this embodiment)
Next, the action and effect of this embodiment will be described.
図２及び図３（Ｂ）に示されるように、本実施形態の車両１２のスイッチが操作されること等により光源１６から光３２が照射されると、この光３２の大部分は、リフレクタ２０の反射面（アッパ側反射面２４Ａ及びロア側反射面２２Ａ）で反射された後、導光部材１８の入光面１８Ｅから当該導光部材１８に導光される。そして、導光部材１８に導光された光３２の大部分は、当該導光部材１８の照射面１８Ｃから車両１２の後方側へ照射される。 As shown in FIGS. 2 and 3B, when the light 32 is emitted from the light source 16 by operating the switch of the vehicle 12 of the present embodiment, most of the light 32 is the reflector 20. After being reflected by the reflecting surface (upper side reflecting surface 24A and lower side reflecting surface 22A), the light is guided from the light input surface 18E of the light guide member 18 to the light guide member 18. Then, most of the light 32 guided by the light guide member 18 is irradiated from the irradiation surface 18C of the light guide member 18 to the rear side of the vehicle 12.
ここで、図３（Ａ）及び（Ｂ）に示されるように、本実施形態では、導光部材１８の入光面１８Ｅが、リフレクタ２０によって覆われている。これにより、光源１６の光３２を漏れなく導光部材１８に導光させることができる。すなわち、本実施形態では、導光部材１８に導光される光３２の量が少なくなることを抑制することができる。その結果、光源１６の出力を増加させることなくテールランプ１０の光量を確保することができ、テールランプ１０の省電力化を図ることができる。特に、本実施形態の構成は、導光部材１８の厚みが薄い場合に有用である。 Here, as shown in FIGS. 3A and 3B, in the present embodiment, the light entering surface 18E of the light guide member 18 is covered with the reflector 20. As a result, the light 32 of the light source 16 can be guided to the light guide member 18 without leakage. That is, in the present embodiment, it is possible to suppress a decrease in the amount of light 32 guided to the light guide member 18. As a result, the amount of light of the tail lamp 10 can be secured without increasing the output of the light source 16, and the power saving of the tail lamp 10 can be achieved. In particular, the configuration of this embodiment is useful when the light guide member 18 is thin.
なお、本実施形態では、アッパ側反射部材２４の周壁部２４Ｃを略Ｕ字状断面に形成した例について説明したが、本発明はこれに限定されない。例えば、アッパ側反射部材２４の周壁部２４Ｃを多角形状断面に形成してもよい。また、図４（Ａ）（Ｃ）及び（Ｄ）に示されるように、周壁部２４Ｃにおける左側の部分２４ＣＬを直線状に傾斜させることにより、周壁部２４Ｃと頂壁部２４Ｂとの間に屈曲部２４Ｄが形成されるようにしてもよい。 In the present embodiment, an example in which the peripheral wall portion 24C of the upper side reflecting member 24 is formed in a substantially U-shaped cross section has been described, but the present invention is not limited to this. For example, the peripheral wall portion 24C of the upper-side reflective member 24 may be formed in a polygonal cross section. Further, as shown in FIGS. 4A, 4C and 4D, the left side portion 24CL of the peripheral wall portion 24C is bent linearly between the peripheral wall portion 24C and the top wall portion 24B. Part 24D may be formed.
また、本実施形態では、光源１６の光の照射方向が後方側に向けられた状態で、当該光源１６がロア側反射部材２２に固定されている例について説明したが、本発明はこれに限定されない。例えば、図４（Ｂ）及び（Ｃ）に示されるように、光源１６の光の照射方向が後方側に対して右側又は左側へ傾斜された状態で、当該光源１６をロア側反射部材２２に固定してもよい。また、図４（Ｄ）に示されるように、光源１６をアッパ側反射部材に固定してもよい。 Further, in the present embodiment, an example in which the light source 16 is fixed to the lower side reflecting member 22 in a state where the light irradiation direction of the light source 16 is directed to the rear side has been described, but the present invention is limited to this. Not done. For example, as shown in FIGS. 4B and 4C, the light source 16 is attached to the lower reflection member 22 in a state where the light irradiation direction of the light source 16 is inclined to the right or left side with respect to the rear side. It may be fixed. Further, as shown in FIG. 4D, the light source 16 may be fixed to the upper reflection member.
さらに、本発明はテールランプ１０のみではなく、ヘッドランプやバックランプ等の他の車両用灯具に適用することができる。 Further, the present invention can be applied not only to the tail lamp 10 but also to other vehicle lighting equipment such as head lamps and back lamps.
以上、本発明の一実施形態について説明したが、本発明は、上記に限定されるものでなく、その主旨を逸脱しない範囲内において上記以外にも種々変形して実施することが可能であることは勿論である。 Although one embodiment of the present invention has been described above, the present invention is not limited to the above, and can be modified in various ways other than the above within a range not deviating from the gist thereof. Of course.
１０ テールランプ（車両用灯具）
１６ 光源
１８ 導光部材
１８Ｂ 傾斜面
２０ リフレクタ
２２ ロア側反射部材（第１対向部）
２２Ａ ロア側反射面（反射面）
２４ アッパ側反射部材（第２対向部）
２４Ａ アッパ側反射面（反射面）
10 Tail lamp (vehicle lighting equipment)
16 Light source 18 Light guide member 18B Inclined surface 20 Reflector 22 Lower side reflective member (first facing portion)
22A Lower side reflective surface (reflective surface)
24 Upper side reflective member (second facing part)
24A Upper side reflective surface (reflective surface)
Claims (3)
板状に形成されていると共に厚み方向と直交する方向の端部から前記光源の光が導光され、厚み方向一方側の面が導光された光が照射される照射面とされた導光部材と、
前記導光部材において前記光源の光が導光される部分を覆うと共に、前記導光部材の厚み方向に対向して配置された第１対向部及び第２対向部を有し、前記第１対向部における第２対向部側の面及び前記第２対向部における第１対向部側の面が前記光源の光を反射させる反射面とされ、該反射面で反射された光が前記導光部材に導光されるリフレクタと、
を備え、
前記光源は、ＬＥＤとされ、
前記ＬＥＤは、前記第１対向部及び前記第２対向部のいずれか一方に固定され、
前記第１対向部の前記反射面が、平面状に形成され、
前記第２対向部の前記反射面が、前記第１対向部側が開放された凹状に形成され、
前記第２対向部は、前記第１対向部と前記導光部材の厚み方向に対向していると共に該第１対向部と平行に延在する頂壁部と、該頂壁部と前記第１対向部とをつなぐ周壁部と、を備えており、
前記頂壁部と前記周壁部との間には、屈曲部が形成されており、
前記ＬＥＤの一部が前記屈曲部と前記導光部材の厚み方向に対向する位置に配置された状態でかつ前記ＬＥＤの光の照射方向が前記頂壁部側へ向けられた状態で、前記ＬＥＤが前記第１対向部に固定されている車両用灯具。 A light source that irradiates light and
The light guide is formed in a plate shape and the light of the light source is guided from the end in the direction orthogonal to the thickness direction, and one surface in the thickness direction is the irradiation surface to be irradiated with the guided light. Members and
The light guide member covers a portion where the light of the light source is guided, and has a first facing portion and a second facing portion arranged so as to face each other in the thickness direction of the light guide member, and the first facing portion is provided. The surface on the second facing portion side and the surface on the first facing portion side in the second facing portion are designated as reflecting surfaces for reflecting the light of the light source, and the light reflected by the reflecting surface is used on the light guide member. The reflector that is guided and
With
The light source is an LED.
The LED is fixed to either the first facing portion or the second facing portion.
The reflective surface of the first facing portion is formed in a plane shape.
The reflective surface of the second facing portion is formed in a concave shape with the first facing portion side open.
The second facing portion faces the first facing portion in the thickness direction of the light guide member and extends in parallel with the first facing portion, and the top wall portion and the first facing portion. It is equipped with a peripheral wall that connects the facing parts,
A bent portion is formed between the top wall portion and the peripheral wall portion.
The LED is in a state where a part of the LED is arranged at a position facing the bent portion in the thickness direction of the light guide member and the light irradiation direction of the LED is directed toward the top wall portion. There car dual lamp that is fixed to the first facing portion.
板状に形成されていると共に厚み方向と直交する方向の端部から前記光源の光が導光され、厚み方向一方側の面が導光された光が照射される照射面とされた導光部材と、
前記導光部材において前記光源の光が導光される部分を覆うと共に、前記導光部材の厚み方向に対向して配置された第１対向部及び第２対向部を有し、前記第１対向部における第２対向部側の面及び前記第２対向部における第１対向部側の面が前記光源の光を反射させる反射面とされ、該反射面で反射された光が前記導光部材に導光されるリフレクタと、
を備え、
前記光源は、ＬＥＤとされ、
前記ＬＥＤは、前記第１対向部及び前記第２対向部のいずれか一方に固定され、
前記第１対向部の前記反射面が、平面状に形成され、
前記第２対向部の前記反射面が、前記第１対向部側が開放された凹状に形成され、
前記第２対向部は、前記第１対向部と前記導光部材の厚み方向に対向していると共に該第１対向部と平行に延在する頂壁部と、該頂壁部と前記第１対向部とをつなぐ周壁部と、を備えており、
前記ＬＥＤの一部が前記周壁部と前記導光部材の厚み方向に対向する位置に配置された状態でかつ前記ＬＥＤの光の照射方向が前記頂壁部側へ向けられた状態で、前記ＬＥＤが前記第１対向部に固定されている車両用灯具。 A light source that irradiates light and
The light guide is formed in a plate shape and the light of the light source is guided from the end in the direction orthogonal to the thickness direction, and one surface in the thickness direction is the irradiation surface to be irradiated with the guided light. Members and
The light guide member covers a portion where the light of the light source is guided, and has a first facing portion and a second facing portion arranged so as to face each other in the thickness direction of the light guide member, and the first facing portion is provided. The surface on the second facing portion side and the surface on the first facing portion side in the second facing portion are designated as reflecting surfaces for reflecting the light of the light source, and the light reflected by the reflecting surface is used on the light guide member. The reflector that is guided and
With
The light source is an LED.
The LED is fixed to either the first facing portion or the second facing portion.
The reflective surface of the first facing portion is formed in a plane shape.
The reflective surface of the second facing portion is formed in a concave shape with the first facing portion side open.
The second facing portion faces the first facing portion in the thickness direction of the light guide member and extends in parallel with the first facing portion, and the top wall portion and the first facing portion. It is equipped with a peripheral wall that connects the facing parts,
The LED is in a state where a part of the LED is arranged at a position facing the peripheral wall portion in the thickness direction of the light guide member and the light irradiation direction of the LED is directed toward the top wall portion. There car dual lamp that is fixed to the first facing portion.
板状に形成されていると共に厚み方向と直交する方向の端部から前記光源の光が導光され、厚み方向一方側の面が導光された光が照射される照射面とされた導光部材と、
前記導光部材において前記光源の光が導光される部分を覆うと共に、前記導光部材の厚み方向に対向して配置された第１対向部及び第２対向部を有し、前記第１対向部における第２対向部側の面及び前記第２対向部における第１対向部側の面が前記光源の光を反射させる反射面とされ、該反射面で反射された光が前記導光部材に導光されるリフレクタと、
を備え、
前記光源は、ＬＥＤとされ、
前記ＬＥＤは、前記第１対向部及び前記第２対向部のいずれか一方に固定され、
前記第１対向部の前記反射面が、平面状に形成され、
前記第２対向部の前記反射面が、前記第１対向部側が開放された凹状に形成され、
前記第２対向部は、前記第１対向部と前記導光部材の厚み方向に対向していると共に該第１対向部と平行に延在する頂壁部と、該頂壁部と前記第１対向部とをつなぐ周壁部と、を備えており、
前記頂壁部と前記周壁部との間には、屈曲部が形成されており、
前記ＬＥＤの一部が前記屈曲部と前記導光部材の厚み方向に対向する位置に配置された状態でかつ前記ＬＥＤの光の照射方向が前記屈曲部側へ向けられた状態で、前記ＬＥＤが前記第１対向部に固定されている車両用灯具。 A light source that irradiates light and
The light guide is formed in a plate shape and the light of the light source is guided from the end in the direction orthogonal to the thickness direction, and one surface in the thickness direction is the irradiation surface to be irradiated with the guided light. Members and
The light guide member covers a portion where the light of the light source is guided, and has a first facing portion and a second facing portion arranged so as to face each other in the thickness direction of the light guide member, and the first facing portion is provided. The surface on the second facing portion side and the surface on the first facing portion side in the second facing portion are designated as reflecting surfaces for reflecting the light of the light source, and the light reflected by the reflecting surface is used on the light guide member. The reflector that is guided and
With
The light source is an LED.
The LED is fixed to either the first facing portion or the second facing portion.
The reflective surface of the first facing portion is formed in a plane shape.
The reflective surface of the second facing portion is formed in a concave shape with the first facing portion side open.
The second facing portion faces the first facing portion in the thickness direction of the light guide member and extends in parallel with the first facing portion, and the top wall portion and the first facing portion. It is equipped with a peripheral wall that connects the facing parts,
A bent portion is formed between the top wall portion and the peripheral wall portion.
The LED is in a state where a part of the LED is arranged at a position facing the bent portion in the thickness direction of the light guide member and the light irradiation direction of the LED is directed to the bent portion side. car dual lamp that is fixed to the first facing portion.
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| JPH11273437A (en) * | 1998-03-23 | 1999-10-08 | Nippon Zeon Co Ltd | Vehicle luminaire and light guide body used for it |
| JP2006294343A (en) * | 2005-04-07 | 2006-10-26 | Mitsubishi Rayon Co Ltd | Planar led light source device |
| JP2007080531A (en) * | 2005-09-09 | 2007-03-29 | Matsushita Electric Works Ltd | Light-emitting diode lighting fixture |
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