JP5986424B2 - Vehicle headlamp - Google Patents

Description

  The present invention relates to a vehicle headlamp, and more particularly to a combination type headlamp in which a plurality of lamp units are integrally incorporated in a lamp body.

  In recent vehicle headlamps, there is a combination type headlamp in which a headlamp unit and a marker lamp unit such as a positioning signal lamp unit and a turn signal lamp unit are integrally incorporated in a lamp body and sealed with an outer lens. . On the other hand, an LED is used as a light source in order to reduce the size of the lamp unit, and the light emitted from the LED light source is guided into the light guide lens or transmitted from behind the light guide lens to the front for illumination. ing.

  For example, a vehicular headlamp 100 disclosed in Patent Document 1 includes a low-beam lamp 102 and a parabola-type high-beam lamp 103 in a lamp body 101, as schematically shown in FIG. Are arranged above and below, and a marker lamp unit of a clearance lamp 104 and a turn signal lamp 105 is arranged below the high beam lamp 103. The clearance lamp 104 and the turn signal lamp 105 are configured as a single lamp unit that includes an LED light source as a light source and uses a light guide lens common to both lamps to emit light over a wide area.

  In addition, the position light unit of Patent Document 2 is connected to a light guide lens formed of a transparent resin such as U-shaped acrylic or polycarbonate provided along the outer periphery of the headlight, and both ends of the light guide lens. And a pair of light emitting units such as LED light sources, and the light emitted from each light emitting unit is irradiated toward the front of the vehicle by a light guide lens.

JP 2006-236588 A JP 2011-76958 A

  According to the vehicle headlamp of Patent Document 1, the clearance lamp 104 and the turn signal lamp 105 are arranged below the low beam lamp 102 and the high beam lamp 103 arranged above and below, so that the vertical direction becomes large and the headlight is increased. In addition to increasing the size of the lamp, it is not possible to meet the requirements for a vehicle headlamp that emits light by a marker lamp unit such as a clearance lamp or a turn signal lamp according to the design shape of a wide range of outer lenses. The degree of freedom of the design shape of the headlamp is limited. In addition, the headlight unit of the low beam lamp 102 and the high beam beam lamp 103 and the LED light source serving as the light source of the clearance lamp 104 and the turn signal lamp 105 are arranged close to each other in the vertical direction. There is a concern that the life of the LED light source may be shortened.

  Further, according to Patent Document 2, a light guide lens is arranged in a U shape along the outer periphery of the headlight, and includes a light emitter unit such as a pair of LED light sources connected to both ends of the light guide lens. Light can be emitted in a wide range along the outer periphery of the headlight. However, since light emitter units such as LED light sources are disposed at both ends of the light guide lens, the installation space for the light emitter units is increased, and the degree of freedom in design is limited. Furthermore, since each light emitter unit is disposed close to the upper part of the headlight, there is a concern that the life of the light emitter unit such as an LED light source may be shortened due to the influence of heat generated in the headlight.

  Accordingly, an object of the present invention made in view of such a point is for a vehicle that protects an LED light source from a thermal effect from a headlamp unit and can secure a design freedom that can emit light in a wide range according to a design shape. It is to provide a headlamp.

The vehicle headlamp according to claim 1, which achieves the above object, includes a lamp body having a front opening and an outer lens that closes the opening, and is provided in a lamp chamber formed by the lamp body and the outer lens. In a vehicle headlamp that includes a headlamp unit that irradiates forward and a marker lamp unit that uses an LED light source as a light source, the marker lamp unit is positioned above the headlamp unit in the vehicle width direction. An extended upper part, an upper part that curves downward from the end in the vehicle width direction and extends downward, and an upper part that curves backward from the lower end of the upper part via the curved part An upper light guide lens having a continuous base end, a lower extending portion extending in the vehicle width direction below the headlamp unit, and a curved extending from the end in the vehicle width direction of the lower extending portion. Present the lower part and the curved part from the upper end of the lower part. A lower light guiding lens that is bent rearward and extends continuously in parallel with the upper base end, and an end surface of the upper base end and an end surface of the lower end A light source unit including an LED light source for entering light from the rear, and the upper light guide lens has a light projecting surface that protrudes downwardly from the lower surface of the upper base end portion, and The lower light guide lens has a light projecting surface that protrudes upwardly from the upper surface of the lower base end portion .

  According to this, when light enters the end surface of the upper light guide lens and the end surface of the lower light guide lens from the LED light source of the light source unit, the light is emitted from the entire length of the upper extended portion and the upper portion of the upper light guide lens and lower. Light is emitted from the entire length of the lower and lower portions of the side light guide lens, and extends in the vehicle width direction on the upper and lower sides of the headlamp unit and in the vertical direction on the side of the headlamp unit. Light is radiated in a U-shape or U-shape, diffused over a wide area, and surface illumination of the outer lens results in sufficient illuminance, good visibility from both the front and the outside in the vehicle width direction, design and function A sign lamp unit with excellent characteristics can be obtained.

On the other hand, a light source unit including an LED light source serving as a light source for the upper light guide lens and the lower light guide lens is disposed in the vehicle width direction and rearward from the headlight unit, thereby generating in the headlight unit. The influence of heat is reduced or avoided, the durability of the light source unit including the LED light source is improved, and stable operation over a long period can be ensured. Further, the light emitted from the light projecting surface of the upper base lens and the light projecting surface of the lower light guide lens between the light emitted from the upper light guide lens and the light emitted from the lower light guide lens. Is complemented, and the illuminance can be made uniform by the upper light guide lens and the lower light guide lens.

  According to a second aspect of the present invention, in the vehicle headlamp according to the first aspect, the upper light guide lens is located outside the vehicle width direction of an upward extension portion extending in the vehicle width direction above the headlight unit. The upper light guide lens has an upper base end portion that is bent rearward from the lower end of the upper portion that is bent from the end portion and extends downward, and the lower light guide lens is located below the headlamp unit. The upper base end portion bent from the upper end of the lower side portion extending upward and bent upward from the lower end portion of the lower extending portion extending in the vehicle width direction through the curved portion. A lower base end portion extending in parallel with the light source unit, and the light source unit enters the end surface of the upper base end portion and the end surface of the lower end portion from the rear side.

  According to this, the installation space of the light source unit can be made compact by providing the light source unit including the LED light source as the light source of the upper light guide lens and the lower light guide lens on the outer side in the vehicle width direction away from the headlamp unit. The light source unit is limited to the arrangement of the light source unit in combination with the fact that the light source unit is separated from the front grille and is located behind the body of the headlamp, which is relatively free from the interior of the engine chamber. Design design is possible, and the design flexibility of the headlamp can be secured.

  Furthermore, by arranging the light source unit to be deviated rearward from the headlight unit in the vehicle width direction, the influence of the heat generated in the headlight unit can be reduced or avoided, and the heat from the engine chamber can be avoided. The influence is also suppressed, the durability of the light source unit including the LED light source is improved, and stable operation over a long period can be secured.

  According to a third aspect of the present invention, in the vehicle headlamp according to the first or second aspect, the upper light guide is disposed between the outer lens, the upper light guide lens, and the lower light guide lens in the front view state. An inner lens that covers the optical lens and the lower light guide lens is provided.

  According to this, the light source such as the upper light guide lens and the lower light guide lens is shielded by the inner lens when the light is turned off, while the light emitted from the upper light guide lens and the lower light guide lens is blocked when the light is turned on. Thus, it is diffused over a wide range, and the surface light emission of the outer lens is excellent in visibility, and excellent design and functionality can be obtained.

  The invention according to claim 4 is the vehicle headlamp according to any one of claims 1 to 3, wherein the lower surface of the upper base end and the upper surface of the lower base end are joined to each other. The upper light guide lens and the lower light guide lens are integrally formed. According to this, the upper light guide lens and the lower light guide lens are joined and integrally formed, the number of component parts can be reduced, and the parts management and the like can be simplified.

According to a fifth aspect of the present invention, in the vehicle headlamp according to any one of the first to fourth aspects, a light diffusing / reflecting portion is provided on the curved portions of the upper light guide lens and the lower light guide lens. It is characterized by that.

  According to this, light is emitted from the curved portions of the upper light guide lens and the lower light guide lens so as to complement the light emission by the upper light guide lens and the light emission by the lower light guide lens, and the upper light guide lens. And uniform illumination by the lower light guide lens.

  According to the present invention, light is emitted from the upper light guide lens and the lower light guide lens, and extends in the vehicle width direction on the upper and lower sides of the headlight unit, and extends in the vertical direction on the side of the headlight unit. Light is radiated in a U-shape or U-shape, diffused over a wide area, and surface illumination of the outer lens results in sufficient illuminance, good visibility from both the front and the outside in the vehicle width direction, design and function A sign lamp unit with excellent characteristics can be obtained.

  Furthermore, by arranging the light source unit to be deviated rearward from the headlight unit in the vehicle width direction, the influence of heat generated in the headlight unit is reduced or avoided, and the durability of the light source unit including the LED light source is improved. It can be improved to ensure stable operation over a long period of time.

It is a front view which shows typically the vehicle headlamp in one embodiment. It is a perspective view which shows the outline | summary of the light guide lens and LED light source of a marker lamp unit. It is the sectional view on the AA line of FIG. It is the B section enlarged view of FIG. It is CC sectional view taken on the line of FIG. It is explanatory drawing which shows the outline | summary of the conventional vehicle headlamp.

  Hereinafter, an embodiment of a vehicle headlamp according to the present invention will be described with reference to FIGS. 1 to 5, taking as an example the case where the marker lamp unit is a clearance lamp unit. 1 is a front view schematically showing a vehicular headlamp, FIG. 2 is a perspective view showing an outline of a light guide lens and an LED light source, FIG. 3 is a cross-sectional view taken along line AA in FIG. 1, and FIG. FIG. 5 is a cross-sectional view taken along line CC of FIG. In each figure, the arrow F indicates the vehicle body front direction, the arrow R indicates the rear direction, and the arrow OUT indicates the vehicle width outward direction. In FIG. 2, the lamp body 2 and the light guide lens housing 11 are shown by phantom lines in order to clarify the configuration. Further, in FIG. 5, an imaginary line 50 indicates the front end of the front hood.

  A vehicle headlamp 1 includes a lamp body 2 having a recess that is continuous from an inner end close to the front grille on the center side of the vehicle body to the side surface of the vehicle body and has a front opening, and a curved surface that blocks the opening of the lamp body 2. And an outer lens 3 that is long in the vehicle width direction and has an upper edge 3a, a lower edge 3b, a side edge 3c on the outer side in the vehicle width direction, and a side edge 3d on the inner side in the vehicle width direction adjacent to the front grill. An internal space formed by the body 2 and the outer lens 3 is formed as a lamp chamber 4. Behind the lamp body 2 is a portion where a space can be easily formed along the body frame and the fender panel and the thermal influence from the inside of the engine chamber is small at a position away from the inside of the engine chamber.

  As shown in phantom lines in FIGS. 1 and 2, the lamp chamber 4 includes headlight units such as a projector type low beam lamp 5 and a parabolic type high beam lamp 6 that irradiate forward, that is, a vehicle. It is arranged side by side in the width direction. The upper edge 3a and the lower edge of the outer lens 3 so as to surround the low beam 5 and the high beam lamp 6 in a substantially U shape or U shape along the upper side, the lower side, and the vehicle width direction outer side of the low beam lamp 5 and the high beam lamp 6 in a front view. A clearance lamp unit 10 that emits light in a U-shape or U-shape is disposed along 3b and the side edge 3c.

  As shown in FIGS. 1 and 5, the clearance lamp unit 10 has a U-shaped groove formed by the lamp body 2 so as to face the outer lens 3. The clearance lamp unit 10 includes a low beam lamp 5 and a high beam lamp 6. It is formed continuously in a substantially L shape having an upper range 12a that continues in the vehicle width direction along the upper edge 3a of the outer lens 3 and an upper portion range 12b that curves downward from the outer end in the vehicle width direction of the upper range 12a. The upper light guide lens housing 12 and the lower range 13a and the lower range 13a which are continuous in the vehicle width direction along the lower edge 3b of the outer lens 3 below the low beam lamp 5 and the high beam lamp 6 The lower light guide lens housing 13 is continuously formed in a substantially L shape having a lower side region 13b that is curved in a straight line. The upper light guide lens housing 12 and the lower light guide lens housing 13 constitute a light guide lens housing 11 that is substantially U-shaped or U-shaped.

  As shown in FIG. 3, a concave light source housing 14 protruding rearward of the vehicle body is formed between the lower end of the upper side range 12 b of the upper light guide lens housing 12 and the upper end of the lower side range 13 b of the lower light guide lens housing 13. It is formed.

  In the opening of the light guide lens housing 11, the upper range 12 a and the upper side range 12 b of the upper light guide lens housing 12 and the lower range 13 a and the lower side range 13 b of the lower lens housing 13 are continuously formed in a U shape or a U shape. The inner lens 15 is provided which is arranged in a shape and is made of a transparent resin such as acrylic or polycarbonate that covers the upper light guide lens 21 and the lower light guide lens 31 in a front front view state.

  An upper light guide lens 21 that extends in the vehicle width direction from the vicinity of the inner end of the headlamp 1 to the vicinity of the outer end along the upper portion range 12b from the upper range 12a in the upper light guide lens housing 12; In the lower light guide lens housing 13, the light guide lens 20 including the lower light guide lens 31 extending in the vehicle width direction from the lower range 13 a to the lower side range 13 b is disposed.

  The upper light guide lens 21 is a cylindrical shape formed of a transparent resin such as acrylic or polycarbonate, and extends upward in the vehicle width direction along the upper range 12a of the upper light guide lens housing 12 over substantially the entire length thereof. The portion 22, the upper portion 23 that curves downward from the outer end portion in the vehicle width direction of the upper extending portion 22 and extends downward along the upper portion range 12 b, and the curved portion 24 from the lower end of the upper portion 23. The upper base end portion 25 that is bent rearward and extends into the light source housing 14 continues. As shown in FIG. 4, the upper base end portion 25 has a lower surface 25 b formed with a light projecting surface 25 a that protrudes downwardly and has an end surface 25 c that is flat on the upper base end portion 25 and serves as a light incident portion. It is formed.

  In addition, a light diffusing portion is formed at a portion of the upper light guide lens 21 that requires illuminance. In the present embodiment, the light diffusion reflection part 26 is formed by forming a light diffusion reflection part 26 having a cut shape in which the lower surface and the rear surface of the upper extension part 22 and the upper part part 23 which are light diffusion parts are cut thinly. The light is reflected and diffused by the portion 26 to emit light from the upper surface and the front surface of the upper extension portion 22 and the upper portion portion 23.

  Further, a light diffuse reflection part 26 having a cut shape is formed on the upper surface and the rear surface of the bending portion 24 which is a continuous portion of the upper portion 23 and the upper base end portion 25, and diffuse light emission is performed at the bending portion 24. Further, light is emitted from the light projecting surface 25 a of the upper base end portion 25.

  The lower light guide lens 31 is a columnar shape formed of a transparent resin such as acrylic or polycarbonate, and extends in the vehicle width direction along the lower range 13a of the lower light guide lens housing 13 over substantially the entire length thereof. A lower extension portion 32 and a lower side portion 33 that curves upward from the outer end portion in the vehicle width direction of the lower extension portion 32 and extends upward along the lower side range 13b of the lower light guide lens housing 13. Then, a lower base end portion 35 that is bent rearward from the upper end of the lower side portion 33 via the curved portion 34 and extends in parallel with the upper base end portion 25 in the light source housing 14 is continuous. As shown in FIG. 4, the lower base end portion 35 is formed with a light projecting surface 35 a that is inclined upward and protrudes, and has an upper surface 35 b that is in contact with the lower surface 25 b of the upper light guide lens 21. An end surface 35 c that is flat and serves as a light incident portion is formed on the end portion 35.

  Further, by forming a light diffusion reflection part 36 having a cut shape in which the upper surface and the rear surface of the lower extension portion 32 and the lower side portion 33 of the lower light guide lens 31 are cut thinly, incident light is diffused and reflected. The light is reflected by the portion 36 and diffused and emitted from the lower surface and the front surface of the extended portion 32 and the lower side portion 33. Further, a light diffuse reflection part 36 having a cut shape is formed on the lower surface of the curved part 34 that is a continuous part of the lower side part 33 and the lower base end part 35, and the curved part 34 emits light. Further, light is emitted from the light projecting surface 35 a of the lower base end portion 35.

  The upper light guide lens 21 and the lower light guide lens 31 are formed by clips formed integrally with the upper light guide lens 21 and the lower light guide lens 31, or clips formed on the light guide lens housing 11 and the inner lens 15. The upper light guide lens 21 and the lower light guide lens 31 are shielded by the inner lens 15.

  The upper light guide lens 21 extends along the upper extension portion 22 and the upper portion portion 23 by entering light from the light source using the end surface 25c of the upper light guide lens 21 and the end surface 35c of the lower light guide lens 31 as a light entrance. Long light that bends along the lower extending portion 32 and the lower side portion 33 of the lower light guide lens 31, and further emits long light that is bent along the inner lens 15. 5 and the high beam lamp 6 along the upper side, the lower side and the outer side in the vehicle width direction so as to surround in a substantially U shape or U shape, the outer lens 3 has a U shape or a U shape along the upper edge 3a, the lower edge 3b and the side edge 3c. It is configured to emit diffuse light in a U shape.

  On the other hand, the light source unit 40 is provided on the bottom portion 14a of the light source housing 14 formed outside the headlamp unit of the low beam lamp 5 and the high beam lamp 6 in the vehicle width direction. The light source unit 40 is configured to be supported on the bottom portion 14 a by a supporting means (not shown) such as a locking claw on the bottom portion 14 a of the light source housing 14. The light source unit 40 includes a first LED light source 41 for entering the end face 25c of the upper light guide lens 21, a second LED light source 42 for entering the end face 35c of the lower light guide lens 31, and the first LED light sources. 41 and substrates 43 and 44 on which various electronic components necessary for supplying power to the first LED light source 42 are provided. Further, a heat sink (not shown) for releasing heat generated when light is emitted from the first LED light source 41 and the second LED light source 42 is provided.

  As a result, the first LED light source 41 of the light source unit 40 faces the end surface 25c serving as the light incident portion of the upper light guide lens 21, is incident on the end surface 25c of the upper light guide lens 21, and the second LED light source 42 The light lens 31 is configured to face the end surface 35 c serving as a light incident portion and to enter the light from the end surface 35 c of the lower light guide lens 31.

  With this configuration, light is emitted from the entire length of the upper extension portion 22 and the upper portion portion 23 of the upper light guide lens 21, and the lower extension portion 32 and the lower side portion 33 of the lower light guide lens 31 are emitted. The base end portion of the upper light guide lens 21 is emitted from the entire length and complements the light emitted by the upper portion portion 23 of the upper light guide lens 21 and the lower portion portion 33 of the lower light guide lens 31. 25 is projected from the light projecting surface 25a through the curved portion 24 and the light projecting surface 35a through the curved portion 34 at the base end portion 35 of the lower light guide lens 31, and radiated in a diffused state at the portion to emit illuminance. The illuminance can be made uniform by the upper light guide lens 21 and the lower light guide lens 31.

  The headlamp 1 configured in this manner is shielded from light sources such as the upper light guide lens 21 and the lower light guide lens 31 by the inner lens 15 when the light is turned off, while the clearance lamp unit 10 is turned on when the light is turned on. Light is emitted in a U-shape or U-shape along the upper edge 3a, the lower edge 3b, and the side edge 3c of the outer lens 3 on the upper and lower sides of the low beam lamp 5 and the high beam lamp 6 and on the outer side in the vehicle width direction. The radiated light is diffused over a wide range by the inner lens 15 and the surface light emission of the outer lens 3 provides sufficient illuminance. The clearance is excellent both in front and in the vehicle width direction, and has excellent design and functionality. The lamp 10 is configured.

  On the other hand, the light source unit 40 including the first LED light source 41 and the second LED light source 42 which are the light sources of the upper light guide lens 21 and the lower light guide lens 31 is disposed outside the low beam lamp 5 and the high beam lamp 6 in the vehicle width direction. The installation space for the light source unit 40 can be made compact, and the light source unit 40 can be separated from the front grille and separated from the engine chamber before the space can be secured. Coupled with the position of the headlamp at the rear of the vehicle body, there are few restrictions on the design of the design, and the degree of freedom in design of the headlamp 1 can be secured.

  Further, the light source unit 40 is disposed in the light source housing 14 that is biased rearward in the vehicle width direction from the headlamp unit such as the low beam lamp 5 and the high beam lamp 6, so that heat generated in the low beam lamp 5 and the high beam lamp 6 is generated. The influence is reduced or avoided, and the influence of heat from the inside of the engine chamber is also suppressed, and stable operation over a long period of the light source unit 40 including the first LED light source 41 and the second LED light source 42 can be ensured.

  The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the invention. For example, in the above embodiment, the upper light guide lens 21 extends in the vehicle width direction from the vehicle width direction outer end portion of the upper portion 22 where the upper light guide lens 21 extends in the vehicle width direction. The case where the lower side portion 33 extends while being curved upward from the outer end portion in the vehicle width direction of the lower portion 32 where the lens 31 extends in the vehicle width direction has been described. The upper side portion 23 extends in the vehicle width direction from the inner end portion of the upper portion 22 extending in the vehicle width direction so as to curve downward, and the lower portion 32 extending the lower light guide lens 31 in the vehicle width direction. By forming the lower side portion 33 so as to bend and extend upward from the inner end in the vehicle width direction, a U-shape is formed along the upper edge 3a, the lower edge 3b, and the side edge 3d of the outer lens 3. Alternatively, the light can be diffused and emitted in a U shape.

  Moreover, although the two light sources of the 1st LED light source 41 and the 2nd LED light source 42 corresponding to the upper side light guide lens 21 and the lower side light guide lens 31, respectively are arrange | positioned, the structure of a light source unit is comprised by comprising by a single LED light source. Can be simplified and the size can be reduced. Furthermore, the upper light guide lens 21 and the lower light guide lens 31 can be integrally formed by joining the lower surface 25b and the upper surface 35b. According to this, the upper light guide lens and the lower light guide lens are integrally formed, the number of components can be reduced, and the simplification of parts management and the like can be obtained.

  In the above embodiment, the clearance lamp unit is described as an example of the marker lamp unit. However, the present invention can be applied to a turn signal lamp.

DESCRIPTION OF SYMBOLS 1 Vehicle headlamp 2 Lamp body 3 Outer lens 4 Lamp chamber 5 Low beam lamp (headlamp unit)
6 High beam lamp (headlight unit)
10 Clearance lamp unit (sign lamp unit)
DESCRIPTION OF SYMBOLS 11 Light guide lens housing 14 Light source housing 15 Inner lens 20 Light guide lens 21 Upper light guide lens 22 Upper extension part 23 Upper part part 24 Curved part 25 Upper base end part 25a Light projection surface 25b Lower surface 25c End surface (light incident part)
26 Light Diffuse Reflecting Section 31 Lower Light Guide Lens 32 Lower Extending Part 33 Lower Side Part 34 Curved Part 35 Lower Base End Part 35a Light Projecting Surface 35b Upper Surface 35c End Face (Light Incident Part)
36 Light Diffuse Reflector 40 Light Source Unit 41 First LED Light Source 42 Second LED Light Sources 43 and 44 Substrate

Claims (5)

A lamp body having a front opening, an outer lens that closes the opening, a headlamp unit that irradiates the lamp chamber formed by the lamp body and the outer lens toward the front, and an LED light source as a light source In a vehicle headlamp equipped with a marker lamp unit,
The marker lamp unit is
An upper extending part extending in the vehicle width direction above the headlamp unit, an upper part extending from the end of the upper extending part in the vehicle width direction and extending downward, and a lower end of the upper part An upper light guiding lens that is continuous with an upper base end portion that is bent backward from the curved portion,
A downwardly extending portion extending in the vehicle width direction below the headlamp unit, a lower side portion extending from the end of the downward extending portion in the vehicle width direction and extending upward, and the lower side portion A lower light-guiding lens in which a lower base end portion that is bent rearward from the upper end of the base plate and extends in parallel with the upper base end portion is continuous,
A light source unit including an LED light source for entering light into the end surface of the upper base end portion and the end surface of the lower end portion from behind , and
The upper light guide lens has a light projecting surface that projects downward and inclines on the lower surface of the upper base end portion,
The vehicular headlamp according to claim 1, wherein the lower light guide lens has a light projecting surface that is inclined and projects upward on an upper surface of the lower base end portion . The upper light guide lens is
Bends backward through the curved portion from the lower end of the upper portion extending from the vehicle width direction outer end portion of the upper extending portion extending in the vehicle width direction above the headlight unit and extending downward. Having an upper proximal end,
The lower light guide lens is
Bends backward from the upper end of the lower side portion that curves upward from the outer end portion in the vehicle width direction and extends upward from the lower end portion that extends in the vehicle width direction below the headlamp unit. And having a lower base end extending parallel to the upper base end,
The vehicle headlamp according to claim 1, wherein the light source unit enters the end surface of the upper base end portion and the end surface of the lower end portion from the rear side.   The inner lens is disposed between the outer lens, the upper light guide lens, and the lower light guide lens, and covers the upper light guide lens and the lower light guide lens in a front view state. The vehicle headlamp according to 1 or 2.   The lower surface of the upper base end and the upper surface of the lower base end are joined to form the upper light guide lens and the lower light guide lens integrally. The vehicle headlamp according to item 1. The vehicular headlamp according to any one of claims 1 to 4 , further comprising a light diffusing / reflecting portion at a curved portion of the upper and lower light guiding lenses.

Images