JP2015032453A - Vehicular lighting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problem of conventional vehicular lighting accompanied by deformation or dissolution of a shade and additional reflector in the case of a resin component and by increased production costs of a shade and a reflection component in the case of a metal plate.SOLUTION: Vehicular lighting comprises a reflector 4, a semiconductor light source 2, a projection lens 3, and a metal plate component 6. The metal plate component 6 is integrally formed from a shade part 60, a first additional reflection surface part 61, and a second additional reflection surface part 62. As a result, the vehicular lighting avoids deformation and dissolution of the metal plate component 6, and reduces production costs of the metal plate component 6.

Description

  The present invention relates to a so-called projector-type vehicular lamp that uses a semiconductor light source as a light source.

  This type of vehicular lamp is conventionally known (for example, Patent Document 1). A conventional vehicular lamp includes a reflector having a reflection surface based on an ellipse, a semiconductor-type light source disposed so as to be positioned at or near the first focal point of the reflection surface, and a lens focal point of the second reflection surface. The projection lens located at or near the focal point and between the projection lens and the semiconductor light source is arranged by cutting off part of the reflected light emitted from the semiconductor light source and reflected by the reflecting surface. A shade and additional reflector having a shade that forms a cut-off line of the light pattern and having an additional reflection surface that reflects the cut-off reflected light to the projection lens side. A conventional vehicular lamp forms a light distribution pattern having a cut-off line with a shade, and compensates for a shortage of light in the light distribution pattern with an additional reflection surface.

JP 2010-129321 A JP 2012-216404 A JP 2012-238471 A

  However, the conventional vehicular lamp is a lamp (resin molded product) in which the shade and additional reflector is made of a resin member or the like. For this reason, when sunlight passes through the projection lens and concentrates on the shade / addition reflector, the shade / addition reflector may be deformed or dissolved (melted).

  Therefore, as shown in Patent Document 2 and Patent Document 3, a shade and a reflection member formed by punching and bending a metal plate are used. Since the vehicle lamps of Patent Document 2 and Patent Document 3 use a discharge lamp as a light source, the light emitted from the discharge lamp is at a higher temperature than the light emitted from the semiconductor-type light source. For this purpose, a metal plate is used as a shade that shields and reflects light from the discharge lamp. Thereby, the vehicular lamps of Patent Literature 2 and Patent Literature 3 can prevent deformation or dissolution of the shade and the reflecting member due to concentration of sunlight.

  However, in the vehicle lamps of Patent Document 2 and Patent Document 3, since the shade and the reflecting member are made of separate members, the number of parts and the number of processing points may increase and the manufacturing cost may increase.

  The problem to be solved by the present invention is that, in the case of a conventional vehicle lamp, in the case of a resin member, the shade and additional reflector may be deformed or dissolved, and in the case of a metal plate, the manufacture of the shade and the reflecting member The cost may increase.

  According to the present invention (the invention according to claim 1), a reflector having a reflection surface based on an ellipse, a semiconductor-type light source disposed at or near the first focal point of the reflection surface, and a lens focal point of the first reflection surface. A projection lens located at or near two focal points, and a metal plate member disposed between the projection lens and the semiconductor-type light source, and the metal plate member is radiated from the semiconductor-type light source and reflected by the reflecting surface A shade part that cuts off a part of the reflected light to form a light distribution pattern having a cutoff line, a first additional reflection surface part that reflects a part of the reflected light to the projection lens side as an additional light distribution pattern, The second additional reflection surface portion that reflects part of the reflected light to the projection lens side as an overhead sign light distribution pattern is integrally formed.

  In this invention (the invention according to claim 2), the first additional reflection surface portion is irradiated to the outside as light not subjected to light distribution control, out of direct light from the semiconductor-type light source emitted to the projection lens side. A direct light shielding part that shields direct light is integrally provided.

  In this invention (the invention according to claim 3), the direct light shielding part is provided with a recess for allowing a part of the direct light from the semiconductor light source to enter the projection lens as an auxiliary light distribution pattern. It is characterized by.

  This invention (the invention according to claim 4) is characterized in that an additional shade made of a metal plate is fixed to the shade portion.

  In the vehicular lamp according to the present invention, since the shade portion, the first additional reflection surface portion, and the second additional reflection surface portion are integrally formed from a metal plate member, the shade portion, the first additional reflection surface portion, and the first additional reflection surface portion due to the concentration of sunlight. (2) Deformation or dissolution of the additional reflection surface portion can be prevented, and the number of parts and the number of processing points can be reduced to reduce the manufacturing cost.

FIG. 1 is a partial longitudinal sectional view (partially vertical sectional view) showing an embodiment of a vehicular lamp according to the present invention. FIG. 2 is a partially enlarged vertical sectional view (partially enlarged vertical sectional view) illustrating the operation of the shade portion, the first additional reflection surface portion, the second additional reflection surface portion, and the direct light shielding portion. FIG. 3 is an exploded perspective view showing the metal plate member and the additional shade. FIG. 4 is a front view showing the metal plate member (as viewed in the direction of arrow IV in FIG. 3). FIG. 5 is a plan view (viewed in the direction of arrow V in FIG. 3) showing the metal plate member. FIG. 6 is a plan view showing the metal plate member in a state before being subjected to press drawing and cut from the metal plate. FIG. 7 is an explanatory diagram showing an outline of a low beam light distribution pattern and an overhead sign light distribution pattern.

  Hereinafter, an example of an embodiment (example) of a vehicular lamp according to the present invention will be described in detail with reference to the drawings. In addition, this invention is not limited by this embodiment. In FIG. 1, the hatching of the projection lens and the heat sink member is omitted. In FIG. 7, “VU-VD” indicates vertical lines on the upper and lower sides of the screen. Reference sign “HL-HR” indicates horizontal lines on the left and right of the screen. In this specification, front, rear, upper, lower, left, and right are front, rear, upper, lower, left, and right when the vehicle lamp according to the present invention is mounted on a vehicle.

(Description of Configuration of Embodiment)
Hereinafter, the configuration of the vehicular lamp in this embodiment will be described. In this example, for example, a headlamp of an automotive headlamp will be described.

(Description of vehicle lamp 1)
In FIG. 1, the code | symbol 1 is a vehicle lamp in this embodiment. The vehicle lamp 1 is mounted on both the left and right sides of the front portion of the vehicle. As shown in FIG. 1, the vehicular lamp 1 includes a lamp housing (not shown), a lamp lens (not shown), a semiconductor light source 2, a projection lens 3, a reflector 4, and a heat sink member 5. And a metal plate member 6.

  The lamp housing and the lamp lens (for example, a transparent outer lens) define a lamp chamber (not shown). The semiconductor-type light source 2, the projection lens 3, the reflector 4, the heat sink member 5, and the metal plate member 6 constitute a projector-type lamp unit. The lamp units 2, 3, 4, 5, 6 are disposed in the lamp chamber, and include an up / down direction optical axis adjustment mechanism (not shown) and a left / right direction optical axis adjustment mechanism (not shown). And is attached to the lamp housing.

(Description of heat sink member 5)
The heat sink member 5 is made of a material having high thermal conductivity such as resin or metal die casting (aluminum die casting). The heat sink member 5 includes an upper horizontal plate portion and a plurality of fin-shaped portions 50 provided integrally from the lower surface of the horizontal plate portion.

  The horizontal plate portion of the heat sink member 5 is composed of a lower first mounting portion 51 at the center and upper second mounting portions 52 on the left and right sides. The heat sink member 5 also serves as an attachment member for attaching the semiconductor light source 2, the projection lens 3, the reflector 4, and the metal plate member 6.

(Description of reflector 4)
The reflector 4 is made of a material having high heat resistance such as a resin member or metal die-casting (aluminum die-casting) and a light-impermeable material. The reflector 4 is attached to the second attachment portion 52 of the heat sink member 5 together with the metal plate member 6 by a screw 53. The reflector 4 has a hollow shape in which a front portion and a lower portion are open, and a rear portion, an upper portion, and left and right side portions are closed. On the concave inner surface of the closed portion of the reflector 4, a main reflection surface (convergent reflection surface) 40 and an additional reflection surface 41 are provided, which are free-form surfaces based on a spheroidal surface (ellipse). Yes.

  The main reflecting surface 40 is composed of a free-form surface. For this reason, the first focal point F1 and the second focal point (or the second focal line) F2 of the main reflecting surface 40 do not have a single focal point in a strict sense, but a plurality of reflecting surfaces are mutually connected. The differences in focal lengths are small and share almost the same focus. Therefore, in this specification and drawings, they are simply referred to as a first focus and a second focus. The first focus F1 is located below the second focus F2. The main reflection surface 40 has an optical axis (not shown) connecting the first focal point F1 and the second focal point F2. The optical axis is inclined from the lower side to the upper side from the first focal point F1 on the rear side to the second focal point F2 on the front side. The main reflection surface 40 reflects a part of light from the semiconductor-type light source 2 as reflected light L1 and L2 toward the projection lens 3 and the shade portion 60 and the first additional reflection surface portion 61 side of the metal plate member 6. Is.

  The additional reflection surface 41 is disposed on the projection lens 3 side with respect to the main reflection surface 40. The additional reflection surface 41 reflects a part of light from the semiconductor-type light source 2 to the second additional reflection surface portion 62 side of the metal plate member 6 as reflected light L3.

(Description of the semiconductor-type light source 2)
The semiconductor-type light source 2 is a self-luminous semiconductor-type light source such as an LED, an OEL, or an OLED (organic EL). The semiconductor-type light source 2 includes a light emitting unit 20 having a light emitting surface that emits light (L1, L2, L3, L4, L6), and a substrate unit 21. The semiconductor light source 2 is attached to the first attachment portion 51 of the heat sink member 5 through the substrate portion 21. The light emitting surface of the light emitting unit 20 of the semiconductor light source 2 is located at or near the first focal point F1 of the main reflecting surface 40 of the reflector 4. The light emitting surface of the light emitting unit 20 of the semiconductor light source 2 faces upward and faces the main reflecting surface 40 and the additional reflecting surface 41 of the reflector 4.

(Description of the projection lens 3)
The projection lens 3 is made of a resin lens such as a PC material, a PMMA material, or a PCO material. That is, since the light (L1, L2, L3, L4, L6) emitted from the semiconductor-type light source 2 does not have high heat, a resin lens can be used as the projection lens 3. The projection lens 3 is attached to the heat sink member 5 via a holder (not shown).

  The projection lens 3 is light (L1, L2, L3, L6) from the semiconductor-type light source 2, and has a predetermined light distribution pattern, in this example, a low beam light distribution pattern LP and an additional light distribution pattern (not shown). The overhead sign light distribution pattern OSP and the auxiliary light distribution pattern WP are irradiated outside, that is, in front of the vehicle. The projection lens 3 is a projection lens based on an aspherical surface. The projection lens 3 includes a rear entrance surface 30 and a front exit surface 31. The incident surface 30 faces the main reflecting surface 40 of the reflector 4. The incident surface 30 is substantially flat or aspherical (convex or concave with respect to the main reflecting surface 40). The exit surface 31 is an aspherical convex surface.

  A lens focal point F3 of the projection lens 3 (a meridional image plane that is a focal plane on the object space side) coincides with or substantially coincides with the second focal point F2 of the main reflecting surface 40. The lens focal point F3 of the projection lens 3 is located above the first focal point F1 of the main reflecting surface 40. The lens axis (not shown) of the projection lens 3 is horizontal or substantially horizontal passing through the lens focal point F3. For this reason, the lens axis intersects the optical axis of the main reflecting surface 40 at or near the lens focal point F3.

(Description of metal plate member 6)
The metal plate member 6 is composed of a light opaque member, in this example, a metal (SUS) plate. The metal plate member 6 is disposed between the reflector 4 and the semiconductor light source 2 and the projection lens 3. The metal plate member 6 is attached to the second attachment portion 52 of the heat sink member 5 together with the reflector 4 by a screw 53.

  The metal plate member 6 is formed by cutting a metal plate into the shape shown in FIG. 6 and press-drawing the metal plate cut into the shape shown in FIG. As shown in FIGS. 2 to 5, the metal plate member 6 includes the shade portion 60, the first additional reflection surface portion 61, the second additional reflection surface portion 62, a direct light shielding portion 63, and an attachment portion. 64.

  The shade part 60 is provided in the central part of the metal plate member 6. The shade unit 60 is disposed between the semiconductor light source 2 and the projection lens 3. The shade part 60 is cut off by cutting off a part (L2) of the reflected light L1, L2 which is light from the semiconductor-type light source 2 and reflected by the main reflection surface 40 of the reflector 4. The low beam light distribution pattern LP having the cut-off line and the elbow point at the upper edge is formed by the remaining reflected light (L1). That is, the reflected light L1 that has not been cut off by the shade unit 60 is incident on the projection lens 3 and is emitted from the projection lens 3 to the front of the vehicle as the low beam light distribution pattern LP. The low beam light distribution pattern LP illuminates the front of the vehicle as shown in FIG.

  The shade portion 60 is provided with an edge 65 that forms the cut-off line and the elbow point. The edge 65 is located at the lens focal point F3 of the projection lens 3, the second focal point F2 of the main reflecting surface 40, or the vicinity thereof. As a result, most of the shade portion 60 is located below the lens axis of the projection lens 3, the lens focal point F3 of the projection lens 3, and the second focal point F2 of the main reflecting surface 40. Short cylindrical crimping portions 70 are provided at both ends of the shade portion 60.

  The first additional reflection surface portion 61 is provided on the rear side of the shade portion 60. The first additional reflection surface portion 61 is located along the lens axis between the shade portion 60 and the semiconductor-type light source 2. The first additional reflection surface portion 61 is a portion of the reflected light L1 and L2 (L2) that is light from the semiconductor-type light source 2 and reflected by the main reflection surface 40 of the reflector 4 as the additional light distribution. A pattern is reflected on the projection lens 3 side. That is, the reflected light L2 that is cut off by the shade unit 60 and reflected by the first additional reflection surface unit 61 is incident on the projection lens 3 and is transmitted from the projection lens 3 as the additional light distribution pattern. The light is emitted in front of. The additional light distribution pattern illuminates the vicinity of the cut-off line of the low beam light distribution pattern LP.

  The second additional reflection surface portion 62 is provided on the front side of the shade portion 60. The second additional reflection surface portion 62 uses the reflected light L3, which is light from the semiconductor light source 2 and reflected by the additional reflection surface 41 of the reflector 4, as the overhead sign light distribution pattern OSP. Reflect to the side. That is, the reflected light L3 reflected by the additional reflection surface 41 enters the projection lens 3 and exits from the projection lens 3 to the front of the vehicle as the overhead sign light distribution pattern OSP. As shown in FIG. 7, the overhead sign light distribution pattern OSP illuminates the area above the cut-off line of the low beam light distribution pattern LP.

  The direct light shielding part 63 is provided on the rear side of the first additional reflection surface part 61. The direct light shielding unit 63 is radiated to the outside as light (stray light) that is not subjected to light distribution control among direct light (L4, L6) emitted from the semiconductor-type light source 2 radiated to the projection lens 3 side. The direct light L4 is shielded. That is, when the direct light shielding part 63 is not provided, the direct light L4 is not directly subjected to light distribution control as the direct light L5 indicated by the broken line arrow in FIG. In some cases, the light is not reflected and transmitted to the panel or other members, and the light distribution is not controlled. The direct light shielding unit 63 shields the direct light L4 and prevents the stray light from being irradiated to the outside.

  The left and right sides of the direct light shielding part 63 have a divergent shape so that the width increases from the semiconductor light source 2 on the rear side to the projection lens 3 on the front side. As a result, the direct light L4 emitted radially from the semiconductor-type light source 2 can be efficiently shielded.

  A concave portion 66 is provided at an intermediate portion of the direct light shielding portion 63. The recess 66 is for causing a part L6 of the direct light (L4, L6) from the semiconductor light source 2 to enter the projection lens 3 as the auxiliary light distribution pattern WP. That is, the direct light L6 that has passed through the recess 66 is incident on the projection lens 3 and is emitted from the projection lens 3 to the front side of the vehicle as the auxiliary light distribution pattern WP. As shown in FIG. 7, the auxiliary light distribution pattern WP illuminates the front side of the vehicle from the lower side to the lower side of the low beam light distribution pattern LP.

  The attachment portion 64 is provided on both the left and right sides of the metal plate member 6. The attachment portion 64 is provided with an attachment hole, a positioning hole, a misassembly prevention hole, and the like. The metal plate member 6 is positioned together with the reflector 4 on the second mounting portion 52 of the heat sink member 5 through the mounting hole, the positioning hole, and the misassembly prevention hole of the mounting portion 64. And it is assembled | attached by the said screw 53 normally assembled | attached. As a result, the edge 65, the first additional reflection surface portion 61, the direct light shielding portion 63, the concave portion 66, and the attachment portion 64 of the shade portion 60 of the metal plate member 6 are more than the semiconductor light source 2. Located on the upper side.

  A first slit 71 is provided between the center of the shade part 60 and the center of the first additional reflection surface part 61. A second slit 72 is provided between the shade part 60 and the second additional reflection surface part 62. The first slit 71 and the second slit 72 are formed when the original metal plate of the metal plate member 6 is cut into the shape shown in FIG.

  At the connecting portion between the left and right end portions of the shade portion 60 on the extension line of the first slit 71 and the left and right end portions of the first additional reflection surface portion 61, the shade portion 60 is changed to the first additional reflection surface portion 61. Fold it almost at right angles. The second additional reflection surface portion 62 is bent with respect to the attachment portion 64 at a connecting portion between the second additional reflection surface portion 62 and the attachment portion 64. The bending of the shade portion 60 and the bending of the second additional reflection surface portion 62 are performed when the metal plate cut into the shape shown in FIG. 6 is press-drawn.

(Description of additional shade 8)
An additional shade 8 is fixed to the shade portion 60. The additional shade 8 is made of a metal plate. The additional shade 8 includes a central additional shade portion 80, attachment portions 81 at both left and right end portions, and a bent connection portion 82 between the additional shade portion 80 and the attachment portion 81.

  The additional shade portion 80 is formed in a shape (curved shape) along the lens focal point F3 of the projection lens 3. The additional shade portion 80 is provided with an edge 83 corresponding to the edge 65 of the shade portion 60.

  The attachment portion 81 is provided with a circular hole 84. The crimp part 70 is inserted into the hole 84, and the crimp part 70 is crimped to the edge of the hole 84 of the attachment part 81. Thereby, the additional shade 8 is fixed to the shade portion 60 of the metal plate member 6.

(Description of the operation of the embodiment)
The vehicular lamp 1 in this embodiment is configured as described above, and the operation thereof will be described below.

  The semiconductor light source 2 is turned on and emitted. Then, a part (L1, L2) of the light (L1, L2, L3, L4, L6) emitted from the semiconductor-type light source 2 is moved to the projection lens 3 and the metal plate member 6 side by the main reflection surface 40 of the reflector 4. reflect. Part of the reflected light (L2) is shielded by the shade portion 60 and the first additional reflection surface portion 61 of the metal plate member 6. The remaining reflected light (L1) that has not been shielded passes through the projection lens 3 and is irradiated outside, that is, in front of the vehicle, as a low beam light distribution pattern LP having a cutoff line and an elbow point. As shown in FIG. 7, the low beam light distribution pattern LP illuminates the front of the vehicle.

  Further, a part (L2) of the reflected light is reflected by the first additional reflection surface portion 61 of the metal plate member 6, and is transmitted to the outside, that is, the front of the vehicle, through the projection lens 3 as an additional light distribution pattern. . The additional light distribution pattern illuminates the front of the vehicle and compensates for the insufficient light quantity of the low beam light distribution pattern LP. Here, as shown in FIGS. 3, 5, and 6, on the edge of the first additional reflection surface portion 61 of the metal plate member 6, that is, on the edge facing the edge 65 of the shade portion 60 via the first slit 71. By providing a recess, the amount of light of the additional light distribution pattern can be adjusted.

  Further, a part (L3) of the light (L1, L2, L3, L4, L6) emitted from the semiconductor-type light source 2 is reflected by the additional reflection surface 41 of the reflector 4 to obtain an overhead sign light distribution pattern OSP. The light passes through the projection lens 3 and is irradiated outside, that is, in front of the vehicle. As shown in FIG. 7, the overhead sign light distribution pattern OSP illuminates the area above the cut-off line of the low beam light distribution pattern LP. Here, as shown in FIGS. 3, 5, and 6, the edge of the second additional reflection surface portion 62 of the metal plate member 6, that is, the lower edge of the shade portion 60 is opposed via the second slit 72. A concave portion, a convex portion, or the like can be provided on the edge to adjust the light amount of the overhead sign light distribution pattern OSP.

  Furthermore, a part (L4) of the light (L1, L2, L3, L4, L6) emitted from the semiconductor-type light source 2, that is, the direct light L4 that becomes stray light is as shown in FIG. It is shielded by the direct light shielding part 63 of the metal plate member 6. As a result, stray light due to the direct light L5 indicated by the dashed arrow in FIG. 2B can be prevented.

  Furthermore, a part (L6) of the light (L1, L2, L3, L4, L6) radiated from the semiconductor-type light source 2 is a concave portion of the metal plate member 6 as shown in FIGS. The light passes through 66 and is directly incident on the projection lens 3 and is irradiated from the projection lens 3 to the outside, that is, the front side of the front of the vehicle as an auxiliary light distribution pattern WP. As shown in FIG. 7, the auxiliary light distribution pattern WP illuminates the front side of the vehicle from the lower side to the lower side of the low beam light distribution pattern LP.

(Explanation of effect of embodiment)
The vehicular lamp 1 according to this embodiment has the above-described configuration and operation, and the effects thereof will be described below.

  In the vehicle lamp 1 in this embodiment, the shade portion 60, the first additional reflection surface portion 61, the second additional reflection surface portion 62, the direct light shielding portion 63, and the attachment portion 64 are integrally formed from the metal plate member 6. It is. For this reason, it is possible to prevent deformation or dissolution of the shade part 60, the first additional reflection surface part 61, the second additional reflection surface part 62, the direct light shielding part 63, and the attachment part 64 due to the concentration of sunlight, and the number of parts. The manufacturing cost can be reduced by reducing the number of processing points.

  In the vehicle lamp 1 according to this embodiment, light distribution control is performed among direct light (L4, L6) from the semiconductor-type light source 2 emitted to the projection lens 3 side on the first additional reflection surface portion 61 of the metal plate member 6. A direct light shielding part 63 that shields the direct light L4 irradiated to the outside as untreated light (stray light) is integrally provided. For this reason, the stray light by the direct light L5 shown by the broken line arrow in FIG. 2 (B) can be prevented. That is, in the case where the direct light shielding portion 63 is not provided, the direct light L4 is not directly subjected to light distribution control as the direct light L5 indicated by the broken line arrow in FIG. In some cases, the light is not reflected and transmitted to other members and the light distribution is not controlled. And the direct light shielding part 63 shields the direct light L4, and prevents that a stray light is irradiated outside.

  The vehicular lamp 1 according to this embodiment has a divergent shape so that the widths of both sides of the direct light shielding portion 63 of the metal plate member 6 are widened from the rear semiconductor light source 2 to the front projection lens 3. It is what. As a result, the direct light L4 emitted radially from the semiconductor-type light source 2 can be efficiently shielded.

  In this embodiment, the vehicular lamp 1 is applied to the direct light shielding portion 63 of the metal plate member 6 and a part L6 of the direct light (L4, L6) from the semiconductor light source 2 to the projection lens 3 as an auxiliary light distribution pattern WP. A concave portion 66 for making the light incident is provided. For this reason, the direct light L6 that has passed through the recess 66 is incident on the projection lens 3 and is emitted from the projection lens 3 to the front side of the vehicle as an auxiliary light distribution pattern WP. Thus, the direct light L6 from the semiconductor-type light source 2 can be used effectively.

  The vehicular lamp 1 in this embodiment is for fixing an additional shade 8 made of a metal plate to the shade portion 60 of the metal plate member 6. For this reason, the color in the vicinity of the cut-off line of the low beam light distribution pattern LP can be erased by the double shade of the shade portion 60 of the metal plate member 6 and the additional shade portion 80 of the additional shade 8.

  The vehicular lamp 1 in this embodiment has a simple structure because the additional shade 8 made of a metal plate is fixed to the shade portion 60 of the metal plate member 6 via the crimping portion 70. As a result, the manufacturing cost can be reduced.

(Description of example other than embodiment)
In this embodiment, a low beam light distribution pattern LP having a cut-off line and an elbow point is irradiated. However, in the present invention, a light distribution pattern having a cut-off line other than the low beam light distribution pattern, such as a fog lamp light distribution pattern and an expressway light distribution pattern, may be irradiated.

  Further, in this embodiment, the shade portion 60 has a flat plate shape. However, in the present invention, the shape of the shade portion may be a shape other than a flat plate shape, for example, a curved shape or a concave shape of the additional shade portion 80.

DESCRIPTION OF SYMBOLS 1 Vehicle lamp 2 Semiconductor type light source 20 Light emission part 21 Board | substrate part 3 Projection lens 30 Incident surface 31 Outgoing surface 4 Reflector 40 Main reflective surface 41 Additional reflective surface 5 Heat sink member 50 Fin-shaped part 51 1st attachment part 52 2nd attachment part 53 Screw 6 Metal plate member 60 Shade portion 61 First additional reflection surface portion 62 Second additional reflection surface portion 63 Direct light shielding portion 64 Mounting portion 65 Edge 66 Recess 70 Pressure bonding portion 71 First slit 72 Second slit 8 Additional shade 80 Additional shade Part 81 Attaching part 82 Bending connection part 83 Edge 84 Hole F1 First focus F2 Second focus F3 Lens focus L1, L2, L3 Reflected light L4, L5, L6 Direct light LP Low beam light distribution pattern OSP Overhead sign light distribution pattern WP Auxiliary Light distribution pattern

Claims (4)

A reflector having a reflecting surface based on an ellipse;
A semiconductor-type light source disposed at or near the first focal point of the reflecting surface;
A projection lens whose lens focal point is located at or near the second focal point of the reflecting surface;
A metal plate member disposed between the projection lens and the semiconductor-type light source;
With
The metal plate member includes a shade portion that cuts off part of reflected light emitted from the semiconductor-type light source and reflected by the reflecting surface to form a light distribution pattern having a cutoff line, and one of the reflected lights. A first additional reflection surface portion that reflects the portion to the projection lens side as an additional light distribution pattern, and a second additional reflection surface portion that reflects a portion of the reflected light to the projection lens side as an overhead sign light distribution pattern Configured to,
A vehicular lamp characterized by the above. The first additional reflection surface portion shields the direct light from the semiconductor-type light source radiated to the projection lens side and shields the direct light irradiated outside as light not subjected to light distribution control. Is provided in one piece,
The vehicular lamp according to claim 1. The direct light shielding portion is provided with a recess for allowing a part of direct light from the semiconductor-type light source to enter the projection lens as an auxiliary light distribution pattern.
The vehicular lamp according to claim 2. An additional shade made of a metal plate is fixed to the shade portion.
The vehicular lamp according to any one of claims 1 to 3.

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