[0017] Hereinafter, embodiments of the vehicle lamp of the present invention will be described with reference to the accompanying drawings.
[0018] The vehicle lamp 1 shown in the figure is suitable for an overhead parking light, that is, for a parking light arranged on the inner side of the rear windshield of a car.
[0019] The rear end of the lens 2 of the vehicle lamp 1 is covered by the lamp body 3 to form a lamp chamber 4 composed of the lens 2 and the lamp body 3 . The front part 2a which is long in the left-right direction of the lens 2 and the peripheral wall part 2b which protrudes rearward from the peripheral edge part of this front part 2a are integrally formed with red colored and transparent synthetic resin. At the rear end of the peripheral wall portion 2b of the lens 2, a lamp chamber 4 to which the substantially plate-shaped lamp body 3 can be attached is formed. The lamp body 3 is integrally formed with a cylindrical portion 5 that protrudes rearward.
[0020] Support walls 6 and 6 are protruded forward from the upper and lower end portions of the front face of the lamp body 3 . Support grooves 6a, 6a are formed in portions of the support walls 6, 6 that face each other near the front end portions.
[0021] A base member 7 is arranged in the lamp chamber 4 . The base member 7 is formed as a synthetic resin molded product, and has a substantially plate shape long in the left-right direction, and a plurality of support parts 8, 8, . . . are provided at substantially equal intervals in the longitudinal direction. A through hole 9 is formed in the support portion 8 , and engaging pieces 10 , 10 , 10 are protruded forward from the front side opening edge of the through hole 9 . An engaging claw 10a protruding toward the center direction of the through hole 9 is formed on the distal end portion of the engaging piece 10, and the distal end surface of the engaging claw 10a is formed as an inclined surface 10b. In addition, a positioning protrusion 11 is protruded from the front opening edge of the through hole 9 . In addition, on the rear surface of the base member 7 , short-circuit prevention blocks 12 , 12 , . . . are protruded in the portion between the through holes 9 , 9 , .
[0022] The upper and lower end edge portions of the base member 7 are engaged with the support grooves 6 a and 6 a of the support walls 6 and 6 of the lamp body 3 to be supported by the lamp body 3 .
[0023] The light emitting diodes 13 , 13 , . . are supported by the respective support portions 8 , 8 , . . . of the base member 7 . A substantially circular flange portion 13b is formed at the rear end portion of the case 13a of the light emitting diode 13, and a positioning notch 13c is formed in the flange portion 13b. Furthermore, lead terminals 13d and 13d protrude from the rear end of the case 13a.
[0024] In a state where the positioning notch 13c is aligned with the positioning protrusion 11 of the support portion 8, the rear end of the flange portion 13b of the light-emitting diode 13 is in close contact with the inclined surfaces 10b, 10b, 10b. When the light-emitting diode 13 is pressed into the through hole 9 from this state, the engaging pieces 10, 10, and 10 are bent outward, and the flange portion 13b of the light-emitting diode 13 passes through the positions of the engaging claws 10a, 10a, and 10a. At the same time when the positioning protrusion 11 is engaged with the positioning notch 13, the rear end surface of the flange portion 13b abuts on the front opening edge of the through hole 9 of the base member 7, and at the same time, the engaging pieces 10, 10, 10 is returned to the original state, and the engaging claws 10a, 10a, 10a are engaged with the front surface of the flange portion 13b of the light emitting diode 13. In this way, the light-emitting diodes 13 , 13 , . . . are supported by the respective support portions 8 , 8 , . . of the base member 7 . In addition, the lead terminals 13d, 13d, . . . of the light-emitting diodes 13, 13, . . . are in a state of protruding rearward from the rear of the base member 7 by passing through the through hole 9. As shown in FIG.
[0025] Further, as the power feeding wires 14, 14, enameled wires are arranged so as to be in contact with the lead terminals 13d, 13d, ... of the light emitting diodes 13, 13, ..., for example, and the power feeding wires 14, 14 are connected to the respective lead terminals 13d, 13d, ... by welding . Suitable welding devices such as laser welding and contact welding can be used for the welding. The short-circuit preventing blocks 12 , 12 , . . . are sandwiched between the power supply wires 14 and 14 , so that the short circuit phenomenon of the power supply wires 14 and 14 can be prevented. In addition, the power supply wires 14 , 14 are not directly supported on the base member 7 , but are indirectly supported on the base member 7 by welding with the lead terminals 13 d , 13 d , . . . of the light-emitting diodes 13 , 13 , . . The power supply wires 14 and 14 are not limited to the above-mentioned enameled wires, and various types of wires can be used. For example, the wire rods 15 and 15 (refer to FIG. 4 ) called bus bars, which are formed by extending a copper alloy into a strip shape, can be used.
[0026] Most of the ends of the power supply terminals 16 and 16 arranged on the cylindrical portion 5 of the lamp body 3 are welded to the power supply wires 14 and 14 . The power supply terminals 16 and 16 and the cylindrical portion 5 in which the power supply terminals 16 and 16 are arranged constitute a terminal 17 , and power is supplied from the outside through the terminal 17 .
[0027] In the vehicle lamp 1 described above, since the light-emitting diodes 13, 13, . . . are supported on the base member 7 instead of the printed circuit board, the shape of the base member 7 can be arbitrarily designed, such as Figure 5 As shown, the base member 7 is formed in a stepped shape or the like, thereby increasing the degree of freedom of design.
[0028] In addition, since the given diodes 13, 13, . . . are supported on the base member 7 by the engaging pieces 10, 10, .
[0029] In addition, since the lead terminals 13d, 13d, . . . of the light emitting diodes 13, 13, . In addition, costs can be reduced
[0030] In addition, the shape and structure of each part shown in the said embodiment are only an example of the actualization made when implementing this invention, and do not limit the technical scope of this invention to be interpreted by this.
[0031] As can be seen from the above, the vehicle lamp of the present invention is a vehicle lamp in which a plurality of light-emitting diodes are arranged as a light source, and is characterized by having a base member supporting the plurality of light-emitting diodes, located on the back side of the base member, and A power supply wire connected to the lead terminals of each light-emitting diode; a power supply terminal connected to the power supply wire.
[0032] Therefore, in the vehicle lamp of the present invention, as long as the base member supporting the light emitting diode is formed as a resin molding, the shape can be freely selected, and the degree of freedom of design is increased. In addition, the terminal of the light emitting diode and the power supply wire can be connected by soldering, for example, without soldering, so that no environmental problem occurs.
[0033] In the invention described in claim 2, since a plurality of power supply wires are arranged on the back side of the base member, and a short-circuit prevention member is arranged between the power supply wires, it is possible to use a wire without a power supply wire or a covered wire. In the case of , even if the coating is damaged, short-circuit between the power supply wires can be prevented.
[0034] In the invention described in claim 3, since the power feeding wire is not supported by the base member, the shape of the base member is not restricted by the presence of the power feeding wire, and it is easier to freely set the shape.
