JP2014157689A - Semiconductor light source unit, and vehicular lighting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a semiconductor light source unit which can be given an interchangeability with a wedge valve while having an electric wire connection structure, and a vehicular lighting device which can have a wedge valve or a semiconductor light source unit mounted on a light source installation part.SOLUTION: An LED unit 11 comprises: a housing 13; and a left bus bar 15 and a right bus bar 17 housed in the housing 13 for holding an inserted LED 19 and making the same electrically connectable. The left bus bar 15 and the right bus bar 17 include a first terminal part 53 for connecting the contact part of the LED 19, and a second terminal part 55 for connecting a coated electric wire 63, and the second terminal part 55 includes a spring terminal connection structure 89 so folded in a U-shape as to have a clamping thickness equivalent to that of the plate-shaped terminal part of a wedge valve.

Description

  The present invention relates to a semiconductor light source unit including a semiconductor light emitting element such as an LED and a vehicle lighting device using the semiconductor light source unit.

  As shown in FIG. 11, a housing 503 having a pair of bus bar housing chambers 571 and 571, and LEDs (Light Emitting) housed in the bus bar housing chamber 571 and inserted from the element mounting opening 508 and the diode mounting opening 509 of the housing 503, respectively. A cover having a pair of bus bars 511 and 511 that hold the diode 505 and the Zener diode 507 and can be electrically connected, and a lens 502 for refracting light emitted from the LED 505 and is attached to the housing 503 501 has been proposed (for example, see Patent Document 1).

The pair of bus bars 511 and 511 are formed with a first pressure contact portion 516 and a second pressure contact portion 515 at both ends, respectively, and are arranged in parallel in the housing 503 so as to be separated from each other.
The first pressure contact portion 516 is formed with at least a pair of main contact spring pieces 537 that can be elastically contacted with a pair of contact portions of the LED 505 and the Zener diode 507. The second press contact portion 515 is provided with a press contact blade 517 for electrically contacting the conductor of the covered electric wire with the slit.
Therefore, the LED unit 513 can be easily electrically connected only by pressing the press contact blade 517 of each bus bar 511 to the covered electric wire, and is used as a common light source unit in various vehicle lighting devices. Can do.

JP 2012-113833 A

  However, since the LED unit 513 has only a wire connection structure that is electrically connected by pressing the second pressure contact portion 515 to the covered wire, a wedge used in a vehicle lighting device such as a dome lamp, for example. It cannot be installed in place of a bulb (bulb). In other words, the socket portion of the vehicular lighting device into which the wedge bulb is inserted has a structure in which a pair of spring terminals are electrically connected by sandwiching the plate-like terminal portion of the wedge bulb. This is because the two pressure contact portions 515 cannot be brought into electrical contact with the pair of spring terminals.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide a semiconductor light source unit that can be compatible with a wedge bulb while having a wire connection structure, and a wedge bulb or a semiconductor light source in a light source mounting portion. An object of the present invention is to provide a vehicular lighting device to which a unit can be attached.

The above object of the present invention is achieved by the following configuration.
(1) A housing and a bus bar that holds and is electrically connected to the semiconductor light emitting element inserted and received in the housing, and the bus bar electrically connects a contact portion of the semiconductor light emitting element. And a second terminal part for electrically connecting the electric wires, and the second terminal part has a clamping thickness equivalent to the plate-like terminal part of the wedge valve. A semiconductor light source unit, characterized in that a connection structure for a spring terminal formed in a U-shape is provided on the semiconductor light source unit.

  According to the semiconductor light source unit having the above configuration (1), the second terminal portion of the bus bar accommodated in the housing is connected to a spring terminal together with a wire connection structure such as a pressure contact blade and a male tab for electrically connecting the wire. A connection structure is further provided. Therefore, the second terminal portion of the bus bar having the spring terminal connection structure can be attached to the pair of spring terminals of the socket portion to which the wedge valve is attached in the same manner as the wedge valve.

(2) The semiconductor light source unit configured as described in (1) above, wherein a cover that includes a lens that refracts light emitted from the semiconductor light-emitting element and is attached to the housing is used as a predetermined part of the vehicle lighting device. A semiconductor light source unit having a fixing structure for fixing to a position.

According to the semiconductor light source unit having the configuration (2), the semiconductor light source unit can be fixed to the vehicle lighting device by the fixing structure provided in the cover attached to the housing.
The wedge-shaped plate terminal portion is formed with a locking step portion for reducing the plate thickness. The vehicle lighting device to which the wedge bulb is attached has a locking step portion for the plate-shaped terminal portion. A pair of spring terminals that sandwich the plate-like terminal portion while being engaged with each other are provided. Therefore, the wedge bulb is fixed to the vehicle lighting device in a state where the plate-like terminal portion is held between the spring terminals. On the other hand, the semiconductor light source unit can be fixed to the vehicle lighting device by the fixing structure even if the latching step portion is not formed in the spring terminal connecting structure.

(3) A vehicular lighting device using the semiconductor light source unit having the configuration (1) or (2).

  According to the vehicular illumination device having the configuration (3), the semiconductor light source unit can be attached with a structure in which a normal socket portion to which a wedge bulb is attached is provided. That is, the light source of the vehicular illumination device can be a wedge bulb or a semiconductor light source unit without changing any components.

According to the semiconductor light source unit of the present invention, it is possible to provide compatibility with a wedge bulb while having a wire connection structure.
According to the vehicle illumination device of the present invention, the wedge bulb or the semiconductor light source unit can be attached to the light source attachment portion.

  The present invention has been briefly described above. Further, the details of the present invention will be further clarified by reading through a mode for carrying out the invention described below (hereinafter referred to as “embodiment”) with reference to the accompanying drawings. .

It is a disassembled perspective view of the semiconductor light source unit which concerns on one Embodiment of this invention. (A) is the perspective view which looked at the semiconductor light source unit shown in FIG. 1 from the light emission side which is the front side, (b) is the perspective view which looked at (a) from the back side. It is a perspective view for demonstrating the state by which the semiconductor light source unit shown in FIG. 2 is connected to an electric wire. (A) is a perspective view of a wedge bulb, (b) is a perspective view for demonstrating the 2nd terminal part of the semiconductor light source unit shown in FIG. (A) is procedure explanatory drawing which shows a bus-bar assembly | attachment process, (b) is procedure explanatory drawing which shows an electronic component assembly | attachment process, (c) is a procedure explanatory drawing which shows a cover assembly | attachment process. It is a disassembled perspective view of the illuminating device for vehicles which concerns on one Embodiment of this invention. (A) is a perspective view of the illuminating device for vehicles before a wedge valve is assembled | attached, (b) is a perspective view of the illuminating device for vehicles which the assembly | attachment of the wedge bulb was completed. (A) is a perspective view of the illuminating device for vehicles before a semiconductor light source unit is assembled | attached, (b) is a perspective view of the illuminating device for vehicles which the assembly | attachment of the semiconductor light source unit was completed. (A) is an exploded perspective view of a wedge bulb and a function part bus bar, (b) is an exploded perspective view of a semiconductor light source unit and a function part bus bar. It is a longitudinal cross-sectional view of the semiconductor light source unit assembled | attached to the illuminating device for vehicles. It is a disassembled perspective view of the conventional semiconductor light source unit.

Embodiments according to the present invention will be described below with reference to the drawings.
As shown in FIGS. 1 and 2, the LED unit 11 that is a semiconductor light source unit according to an embodiment of the present invention includes a housing 13, a left bus bar 15 and a right bus bar 17 that are bus bars, and an LED ( Semiconductor light emitting element) 19, Zener diode 21 and resistor 23, cover 25, and lens 27 for refracting light emitted from LED 19 are included as main constituent members.

  The housing 13 is formed into a rectangular parallelepiped shape from a synthetic resin material. An element mounting space 29 for accommodating the LED 19 and a diode mounting space 31 are formed inside the housing 13. The element mounting space 29 and the diode mounting space 31 are opened as an element mounting opening 35 and a diode mounting opening 37 on the housing front end surface 33 which is one outer surface of the housing 13. The housing 13 has a housing rear wall 39 opposite to the housing front end surface 33.

  In the housing 13, a light emitting opening 41 that communicates with the element mounting space 29 is opened on an orthogonal outer surface 46 orthogonal to the housing front end surface 33. In the housing 13, a pair of resistor mounting openings 43 (see FIG. 2) for mounting the resistor 23 is opened on the back outer surface 48 opposite to the orthogonal outer surface 46. Further, a lock projection 45 for restricting the detachment of the housing 13 from the cover 25 is projected from the back outer surface 48.

  A bus bar accommodating chamber 47 for accommodating the left bus bar 15 and the right bus bar 17 is formed inside the housing 13, and the bus bar accommodating chamber 47 opens as a bus bar mounting opening 49 on the orthogonal outer surface 46. The pair of bus bar accommodating chambers 47 are defined on the left and right sides with the housing central wall 51 interposed therebetween.

The LED 19, the Zener diode 21, and the resistor 23 mounted on the housing 13 are electronic components for surface mounting in which a pair of contact portions are provided on one surface.
The left bus bar 15 and the right bus bar 17 have a first terminal portion 53 at one end and a second terminal portion 55 at the other end. A third terminal portion 57 is provided between the first terminal portion 53 and the second terminal portion 55. The left bus bar 15 and the right bus bar 17 are arranged in parallel in the bus bar housing chamber 47 of the housing 13 so as to be separated from each other by the housing central wall 51. A pair of main contact spring pieces 59 are provided on the first terminal portions 53 of the left bus bar 15 and the right bus bar 17. The pair of main contact spring pieces 59 faces the pair of contact portions of the LED 19 and the Zener diode 21. . A pair of sub-contact spring pieces 61 that are connected to the pair of contact portions of the resistor 23 are disposed on the third terminal portions 57 of the left bus bar 15 and the right bus bar 17.

  In the LED unit 11 of this embodiment, a pair of main contact spring pieces 59 on the left side adjacent to the left bus bar 15 and the right bus bar 17 are connected to a pair of contact portions of the Zener diode 21. A pair of downwardly facing main contact spring pieces 59 adjacent to the left bus bar 15 and the right bus bar 17 are connected to the pair of contact portions of the LED 19. In each of the left bus bar 15 and the right bus bar 17, the pair of sub-contact spring pieces 61 of the third terminal portion 57 are connected to the pair of contact portions of the resistor 23.

  In the left bus bar 15 and the right bus bar 17, the second terminal portion 55 protrudes outside the housing 13 in a state where the left bus bar 15 and the right bus bar 17 are mounted in the bus bar accommodating chamber 47 of the housing 13. As shown in FIG. 3, the second terminal portion 55 is provided with a pair of press contact blades 65 that form V-shaped grooves for electrically contacting the conductor of the covered electric wire 63 by cutting the cover. In each of the left bus bar 15 and the right bus bar 17, the pair of press contact blades 65 are formed in two upper and lower stages in parallel. Accordingly, the press contact blade 65 is pressed against the covered electric wire 63 extending vertically as shown in FIG. In the left bus bar 15 and the right bus bar 17, the proximal end side of the press contact blade 65 serves as a rear contact piece 67. The rear contact piece 67 is in contact with the housing rear wall 39.

  In addition, although the electric wire connection structure of the 2nd terminal part 55 becomes the press-contacting blade 65 in this embodiment, the electric wire connection structure of the 2nd terminal part 55 may be formed as a male tab in addition to this. When the electric wire connection structure of the second terminal portion 55 is formed as a male tab, the second terminal portion 55 is electrically connected by fitting with a female terminal connected to the electric wire.

  In the LED unit 11 of this embodiment, the LED 19 and the Zener diode 21 are connected in parallel between the anode and the cathode. In such a connection structure of electronic components, it is assumed that a circuit in which a resistor 23 is provided between the LED 19 and the Zener diode 21 and the anode is desired. In this configuration, when the resistor 23 is connected, the third terminal portion 57 is separated from the connecting portion 66 between the pair of sub-contact spring pieces 61 connected to the pair of contact portions of the resistor 23. When the connecting portion 66 is cut, in each of the left bus bar 15 and the right bus bar 17, the resistor 23 in which one resistor contact portion is in contact with the pressure contact blade 65 via one sub-contact spring piece 61 is The resistor contact portion contacts the other sub-contact spring piece 61. Thereby, a circuit in which the resistor 23 is provided in series between the second terminal portion 55 and the third terminal portion 57 is configured.

As for LED19, the surface in which the contact part was provided is orient | assigned to the main contact spring piece 59 of the upper stage. The surface of the Zener diode 21 on which the contact portion is provided is directed toward the lower main contact spring piece 59 side.
In the LED unit 11 of the present embodiment, the pitch between the contacts of the LEDs 19 is smaller than the pitch between the contacts of the Zener diode 21. That is, the two electronic components have different contact pitches. In the electronic component connection structure of the present embodiment, electronic components having such different pitches between contacts can be simultaneously mounted. That is, the pair of main contact spring pieces 59 adjacent to each other in the lower stage of the two left bus bars 15 and the right bus bar 17 are in contact with the pair of main contact spring pieces 59, and the pair of main contact spring pieces 59 adjacent to each other in the upper stage. A pair of contact portions of the Zener diode 21 come into contact with each other.

  The cover 25 is formed into a rectangular parallelepiped box shape with a synthetic resin material. A housing housing space 69 is formed inside the cover 25, and the housing housing space 69 is opened by a housing insertion opening 71 on one end side in the longitudinal direction of the cover 25. A lens mounting space for accommodating the lens 27 is formed in the cover 25. The cover 25 is attached to the housing 13 with the housing front end surface 33 entering the lens mounting space 74. A lens seat 76 is formed on the cover 25 on the back side of the lens mounting space 74 (see FIG. 10). A lens mounting opening 73 is opened in the cover 25, and the lens mounting opening 73 opens on the side opposite to the lens seat portion 76 on the back side. As shown in FIG. 2B, the lock projection 45 of the housing 13 is engaged with the edge of the lens mounting opening 73.

  From the upper and lower edges of the housing insertion opening 71 of the cover 25, one upper surface side fixed locking piece 75 and two pairs of lower surface side fixed locking pieces 77 project in the direction opposite to the insertion direction of the housing 13. ing. A unit fixing claw 79 is provided on the protruding front end side of the upper surface side fixed locking piece 75 and the lower surface side fixed locking piece 77. The unit fixing claw 79 is locked to an upper surface locking portion 141 and a lower surface locking portion 143, which will be described later on the device-side fixing portion on the vehicle lighting device 93 side that forms a fixing structure with the unit fixing claw 79.

  The LED unit 11 of this embodiment is used by being attached to the vehicle lighting device 93 to be described later. A wedge valve 81 shown in FIG. 4A is generally used for the vehicle lighting device 93. The wedge bulb 81 includes a light bulb 83 (glass bulb), a plate-like terminal portion (wedge base) 85 having a rectangular cross section integrally provided at the lower portion of the light bulb 83, a filament (not shown) sealed in the light bulb 83, And two unillustrated lead wires that respectively support both ends of the filament. The two lead wires penetrate the plate-like terminal portion 85 in an airtight manner and are drawn out from the lower end surface of the plate-like terminal portion 85, and each is bent in the opposite direction of the plate surface. The plate-like terminal portion 85 is formed with a locking step portion 87 in a direction to reduce the plate thickness. A terminal detachment restricting portion 139 of a pair of spring terminals 137 provided on the socket portion 133 of the vehicle lighting device 93 is engaged with the locking step portion 87. The wedge valve 81 is fixed to the vehicle lighting device 93 by holding the plate-like terminal portion 85 between the spring terminals 137 and 137 (see FIGS. 7 and 9A).

  Therefore, as shown in FIG. 4B, spring terminal connection structures 89 are formed in the second terminal portions 55 of the left bus bar 15 and the right bus bar 17. The spring terminal connection structure 89 is formed to be bent in a U shape so as to have a sandwiching thickness T equivalent to the plate-like terminal portion 85 of the wedge valve 81. The pair of left bus bar 15 and right bus bar 17 have the same shape portion, but are formed symmetrically so that the U-shaped curved portion 91 is on the outside. The pair of press contact blades 65 described above are respectively formed on the upper and lower opposing pieces of the spring terminal connection structure 89 bent into a U shape. Further, the left bus bar 15 and the right bus bar 17 assembled to the housing 13 have a width dimension W on the outer side in the arrangement direction of the pair of spring terminal connection structures 89 arranged side by side, and the width of the plate-like terminal portion 85 in the wedge valve 81. It is formed the same as the dimension W.

Next, an assembly procedure of the LED unit 11 having the above configuration will be described.
To assemble the LED unit 11 according to the present embodiment, first, the left bus bar 15 and the right bus bar 17 are mounted from the bus bar mounting opening 49 of the housing 13 as shown in FIG. The left bus bar 15 and the right bus bar 17 inserted into the bus bar accommodating chamber 47 of the housing 13 are mounted on the housing 13 such that the rear contact piece 67 contacts the housing rear wall 39.

  After the left bus bar 15 and the right bus bar 17 are mounted on the housing 13, as shown in FIG. 5 (b), the LED 19, the Zener diode 21 and the resistor 23 are replaced with an element mounting opening 35, a diode mounting opening 37 and a resistor mounting. It is mounted from the opening 43 (see FIG. 2B).

Next, as shown in FIG. 5C, the lens 27 is assembled to the cover 25. The lens 27 is inserted from the lens mounting opening 73 of the cover 25.
A cover 25 to which a lens 27 is attached is attached to the housing 13 in which the LED 19, the Zener diode 21 and the resistor 23 have been attached. When the cover 25 receives the housing 13 from the housing insertion opening 71 and the housing 13 enters a predetermined position, the lock protrusion 45 (see FIG. 2) of the housing 13 is locked to the cover 25 and the cover 25 and the housing 13 are prevented from being separated. To be locked. As shown in FIG. 2B, the housing 13 with the front side inserted into the cover 25 protrudes from the cover 25 and the press contact blade 65 protrudes rearward, and the LED unit 11 is assembled. Complete.

Next, the vehicle lighting device 93 according to an embodiment of the present invention will be described.
The vehicular illumination device 93 according to an embodiment of the present invention includes a design portion (not shown) that has a cover lens and is disposed on the indoor side, and a design portion that is disposed on the outdoor side of the trim and passes through the lamp mounting hole. And a functional part that is assembled in a state where the trim is sandwiched.
As shown in FIG. 6, the functional unit of the vehicle lighting device 93 includes a case 95, a slider 97, a functional unit bus bar 99, a switch cover 101, a wire harness 103, and a pressure contact cover 105. It has as a member.

  The case 95 is formed into a rectangular shape with a synthetic resin material, and a light source mounting portion 107 for mounting the LED unit 11 serving as a light source is surrounded on three sides by the upper surface side and is defined by opening at the edge portion. ing. On the opposite side of the light source mounting portion 107, a switch housing portion 109 is defined. A bus bar accommodating space 111 is defined between the light source mounting portion 107 and the switch accommodating portion 109, and the functional portion bus bar 99 is accommodated in the bus bar accommodating space 111.

  On the upper surface of the slider 97 attached to the switch housing portion 109, an operation convex piece 113 is projected. On the upper surface of the slider 97, a contact 123 bent in a U shape is attached to the side of the operation convex piece 113. The contact 123 attached to the slider 97 is elastically biased in a direction away from the slider 97 by a coil spring (not shown) and can move in a direction approaching the slider 97 against the biasing force of the coil spring. It has become.

  The functional unit bus bar 99 is divided into three parts (see FIG. 9). A plurality of (three pairs in the present embodiment) harness press contact blades 127 are formed upright on the function portion bus bar 99. Three switch contact portions 129 are formed on the function portion bus bar 99, and the switch contact portions 129 are arranged so as to be in contact with each other so as to contact the contact 123 of the slider 97 housed in the switch housing portion 109. A switch cover 101 is attached to the switch housing portion 109 in which the switch contact portion 129 is disposed to face the contact 123, and the switch cover 101 sandwiches the switch contact portion 129 with the contact 123. That is, when the slider 97 is slid, predetermined switch contact portions are connected to each other.

  The wire harness 103 is arranged corresponding to the harness pressure contact blade 127 of the functional unit bus bar 99 housed in the bus bar housing space 111. The wire harness 103 of the present embodiment is a ribbon electric wire composed of three conductors. A pressure contact cover 105 is attached to the bus bar housing space 111 in which the wire harness 103 is disposed. An extension 131 that covers the light source mounting portion 107 of the case 95 protrudes from the pressure contact cover 105. On the upper surface of the extension portion 131, an upper surface locking portion 141 for locking the upper surface side fixed locking piece 75 of the LED unit 11 is formed. The wire harness 103 is brought into pressure contact with a predetermined harness pressure contact blade 127 of the function part bus bar 99 by mounting the pressure contact cover 105 in the bus bar housing space 111.

  A socket portion 133 (see FIG. 9) is formed on the side opposite to the switch contact portion 129 of the functional portion bus bar 99. A pair of opposed pieces 135 and 135 are formed in the socket portion 133, and the opposed pieces 135 and 135 are separated by the same length as the width dimension W of the plate-like terminal portion 85 of the wedge valve 81. A pair of spring terminals 137, 137 are formed inside each of the facing pieces 135, and the pair of spring terminals 137, 137 sandwich the left and right sides of the plate-like terminal portion 85 in the wedge valve 81 from the plate thickness direction. Each of the pair of spring terminals 137 and 137 is formed by bending a pair of terminal detachment restricting portions 139 adjacent in the vertical direction, and the terminal detachment restricting portions 139 are formed on the upper and lower surfaces of the plate-like terminal portion 85. Engage with the stepped portion 87 (see FIG. 9A).

  Lead wires (not shown) are exposed on the left and right sides of the plate-like terminal portion 85 upside down. As a result, the function part bus bar 99 allows the power supplied from the wire harness 103 by the harness pressure contact blade 127 to be wedged via the spring terminal 137 when the contact 123 of the slider 97 closes the predetermined switch contact part 129. Power can be supplied to the lead wire of the valve 81.

Next, the assembly procedure of the functional part in the vehicular illumination device 93 having the above configuration will be described with reference to FIG.
In order to assemble the vehicle lighting device 93, first, the slider 97 on which the contact 123 is mounted is disposed in the switch housing portion 109 of the case 95.
Next, the function part bus bar 99 is arranged in the bus bar accommodating space 111, and the switch cover 101 is attached to the switch accommodating part 109 where the contact part is arranged. Next, the wire harness 103 is disposed corresponding to the harness pressure contact blade 127 of the functional unit bus bar 99 disposed in the bus bar accommodating space 111, and the pressure cover 105 is attached to the bus bar accommodating space 111, whereby the wire harness 103 is disposed. A function circuit bus bar 99 is press-connected to a predetermined circuit.

Finally, the wedge bulb 81 or the LED unit 11 is attached to the light source mounting portion 107 of the case 95.
As shown in FIGS. 7 and 9A, the wedge bulb 81 attached to the light source mounting portion 107 has a plate-like terminal portion 85 sandwiched between a pair of spring terminals 137 and 137 of the functional portion bus bar 99. Further, the terminal detachment restricting portion 139 of the spring terminal 137 engages with the locking step portion 87 of the plate-like terminal portion 85. Thereby, the assembly for connecting the wedge bulb 81 to the light source mounting portion 107 is completed.

On the other hand, as shown in FIG. 8 and FIG. 9B, the LED unit 11 attached to the light source mounting portion 107 has the upper surface side fixed locking piece 75 held by the extension portion 131 of the pressure contact cover 105, and the tip unit. The fixing claw 79 is locked to the upper surface locking portion 141 (see FIG. 10). In the LED unit 11, the unit fixing claw 79 of the lower surface side fixing locking piece 77 is locked to the lower surface locking portion 143 (see FIG. 10) of the case 95.
As shown in FIG. 10, the LED unit 11 of the present embodiment includes a unit fixing claw 79 provided on the protruding front end side of the upper surface side fixing locking piece 75 and the lower surface side fixing locking piece 77, a device side fixing portion, The upper surface locking portion 141 and the lower surface locking portion 143 form a fixing structure for the cover 25 to fix the housing 13 to the light source mounting portion 107 that is a predetermined position of the vehicle lighting device 93. Thereby, the assembly which connects the LED unit 11 to the light source attachment part 107 is completed.

Next, the operation of the LED unit 11 and the vehicle lighting device 93 will be described.
The LED unit 11 according to the present embodiment has a wire connection structure for electrically connecting the covered electric wire 63 to the second terminal portions 55 of the left bus bar 15 and the right bus bar 17 accommodated in the housing 13. A spring terminal connection structure 89 is further provided along with the press contact blade 65. As shown in FIGS. 4A and 4B, the spring terminal connection structure 89 is formed in a U shape so as to have a thickness T equivalent to the plate-like terminal portion 85 of the wedge valve 81. .
Therefore, the second terminal portion 55 of the left bus bar 15 and the right bus bar 17 provided with the spring terminal connection structure 89 has a pair of spring terminals 137 of the socket portion 133 to which the wedge valve 81 is attached, as shown in FIG. Attachment to 137 is also possible in the same manner as the wedge valve 81.

Further, in the LED unit 11 of the present embodiment, the unit fixing claw 79 provided on the cover 25 attached to the housing 13, and the upper surface locking portion 141 and the lower surface locking portion 143 that are the device side fixing portions. The LED unit 11 can be fixed to the vehicle illumination device 93 by the configured fixing structure.
The plate-like terminal portion 85 of the wedge bulb 81 is formed with a locking step portion 87 (see FIG. 4) in the direction of reducing the plate thickness, and is attached to the socket portion 133 of the vehicle lighting device 93 to which the wedge bulb 81 is attached. Are provided with a pair of spring terminals 137 and 137 that sandwich the plate-like terminal portion 85 while engaging with the locking step portion 87 of the plate-like terminal portion 85 (see FIG. 9A). Therefore, the wedge valve 81 is fixed to the vehicle lighting device 93 in a state where the plate-like terminal portion 85 is sandwiched between the spring terminals 137. On the other hand, the LED unit 11 of this embodiment has the unit fixing claw 79, the upper surface locking portion 141, and the lower surface locking portion 143 shown in FIG. 10 even if the spring terminal connection structure 89 is not formed with a locking step portion. It can fix to the illuminating device 93 for vehicles by the fixing structure comprised by these.

  According to the vehicle lighting device 93 according to the present embodiment, as shown in FIGS. 7 and 8, the LED unit 11 is attached to the light source mounting portion with a structure having a normal socket portion 133 to which the wedge valve 81 is mounted. 107 can be attached. That is, the light source of the vehicular illumination device 93 can be the wedge bulb 81 or the LED unit 11 without changing any components.

  Therefore, according to the LED unit 11 according to the present embodiment, compatibility with the wedge valve 81 can be provided while having a wire connection structure.

Moreover, according to the vehicle lighting device 93 according to the present embodiment, the wedge bulb 81 or the LED unit 11 can be attached to the light source attachment portion 107.
In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the material, shape, dimensions, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

11 ... LED unit (semiconductor light source unit)
13 ... Housing 15 ... Left bus bar (bus bar)
17 ... Right bus bar (bus bar)
19 ... LED (semiconductor light emitting device)
25 ... Cover 27 ... Lens 53 ... First terminal portion 55 ... Second terminal portion 63 ... Coated electric wire (electric wire)
81 ... Wedge bulb 83 ... Light bulb 85 ... Plate-shaped terminal portion 89 ... Spring terminal connection structure 93 ... Vehicle lighting device T ... Holding thickness

Claims (3)

A housing and a bus bar capable of holding and electrically connecting the semiconductor light emitting element inserted in the housing;
The bus bar has a first terminal portion for electrically connecting a contact portion of the semiconductor light emitting element, and a second terminal portion for electrically connecting an electric wire,
The semiconductor light source unit, wherein the second terminal portion is provided with a spring terminal connection structure bent in a U shape so as to have a sandwiching thickness equivalent to that of the plate-like terminal portion of the wedge bulb.   The cover that is provided with the lens that refracts the light emitted from the semiconductor light emitting element and is attached to the housing has a fixing structure for fixing the housing to a predetermined position of the vehicle lighting device. The semiconductor light source unit according to 1.   An illumination device for a vehicle, wherein the semiconductor light source unit according to claim 1 or 2 is used.

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