KR20170003263U - Lamp for vehicle - Google Patents

Lamp for vehicle Download PDF

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Publication number
KR20170003263U
KR20170003263U KR2020160001294U KR20160001294U KR20170003263U KR 20170003263 U KR20170003263 U KR 20170003263U KR 2020160001294 U KR2020160001294 U KR 2020160001294U KR 20160001294 U KR20160001294 U KR 20160001294U KR 20170003263 U KR20170003263 U KR 20170003263U
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KR
South Korea
Prior art keywords
lens
diffusion lens
diffusion
light source
optics
Prior art date
Application number
KR2020160001294U
Other languages
Korean (ko)
Other versions
KR200484618Y1 (en
Inventor
한수정
박광열
김동수
Original Assignee
에스엘 주식회사
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Application filed by 에스엘 주식회사 filed Critical 에스엘 주식회사
Priority to KR2020160001294U priority Critical patent/KR200484618Y1/en
Publication of KR20170003263U publication Critical patent/KR20170003263U/en
Application granted granted Critical
Publication of KR200484618Y1 publication Critical patent/KR200484618Y1/en

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    • F21S48/1266—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • F21S48/1216—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
    • B60Q2400/20—Multi-color single source or LED matrix, e.g. yellow blinker and red brake lamp generated by single lamp

Abstract

According to an embodiment of the present invention, a vehicle lamp includes a light source and a first lens provided on a light path of light emitted from the light source, wherein the first lens is formed on one side of the first lens, A second diffusion lens formed on the other side of the first lens for diffusing light that has passed through the first diffusion lens, and a second diffusion lens formed between the first diffusion lens and the second diffusion lens, And a connection bridge connecting the first diffusion lens and the second diffusion lens so that the relative position is fixed.

Description

Lamp for vehicle

BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates to a lamp for a vehicle, and more particularly, to a lamp for a vehicle that provides surface light emission in which light of a uniform brightness is emitted in a predetermined area.

In recent years, semiconductor light emitting devices such as LEDs (Light Emitting Diodes) have been used in light sources of lamps irradiated to the outside of vehicles as well as indoor lights of vehicles.

Semiconductor light emitting devices are preferred because they have a high luminous efficiency relative to power and have a longer life than conventional halogen lamps. However, the semiconductor light emitting device has a disadvantage in that it is difficult to provide a uniform light intensity and brightness over a wide area due to a narrow light irradiation angle due to a light output characteristic having a linearity.

However, in recent years, attempts have been made to realize a surface emitting image having a uniform luminous intensity in a certain area as a light image expressed by a vehicle lamp.

A problem to be solved by the present invention is to provide a lamp for a vehicle that emits a light image of surface emission.

The tasks of the present invention are not limited to the tasks mentioned above, and other tasks not mentioned may be clearly understood by those skilled in the art from the following description.

According to an embodiment of the present invention, there is provided a vehicular lamp including a light source and a first lens provided on a light path of light emitted from the light source, wherein the first lens comprises: A first diffusion lens formed on one side of the first lens and diffusing light emitted from the light source, a second diffusion lens formed on the other side of the first lens and diffusing light passing through the first diffusion lens, And a connection bridge connecting the first diffusion lens and the second diffusion lens so that a relative position between the second diffusion lenses is fixed.

Wherein the first diffusion lens includes a plurality of vertical optics whose longitudinal length is longer than a transverse length and the plurality of longitudinal optics are arranged in a lateral direction so that light passing through the first diffusion lens is diffused in the horizontal direction .

The plurality of vertical optics may be formed on one surface and the rear surface of the first diffusion lens.

Wherein the second diffusion lens includes a plurality of vertical optics whose longitudinal length is longer than the transverse length and the plurality of longitudinal optics are arranged in the lateral direction so that light passing through the second diffusion lens is diffused in the horizontal direction .

The plurality of vertical optics may be formed on one surface of the second diffusion lens.

The second diffusion lens includes a plurality of fisheye lenses arranged in a lattice, and the plurality of fisheye lenses may be formed on a back surface of the second diffusion lens.

The connection bridge may connect at least one of an upper end and a lower end of the first diffusion lens and the second diffusion lens.

The apparatus may further include a bezel configured to surround one side of the first lens, and a second lens configured to surround the other side of the first lens.

The connection bridge may further include a protruding end protruding from the connection bridge, the bezel contacting the one side of the protruding end, and the second lens contacting the other side of the protruding end.

At least one of the bezel and the second lens may have a protruding end receiving groove for receiving a part of the protruding end.

The second lens may include a coupling hook protruding toward the bezel, and the bezel may include a hook receiving groove in which the coupling hook is received.

The bezel portion may include a coupling hook protruding toward the second lens, and the second lens may include a hook receiving groove in which the coupling hook is received.

The second lens includes a plurality of optics whose longitudinal length is longer than the transverse length, and the plurality of optics are arranged in the lateral direction to diffuse the light passing through the second lens in the lateral direction.

The bezel portion may include a light source installation groove in which the light source is installed.

Other specific details of the present invention are included in the detailed description and drawings.

The embodiments of the present invention have at least the following effects.

A light image of surface emission can be emitted.

The effects according to the present invention are not limited by the contents exemplified above, and a more various effects are included in the specification.

1 is a cross-sectional view schematically showing a lamp for a vehicle according to an embodiment of the present invention.
2 is a view showing an optic formed on one surface of a first diffusion lens of a vehicle lamp according to an embodiment of the present invention.
3 is a view showing an optic formed on the rear surface of a second diffusion lens of a vehicle lamp according to an embodiment of the present invention.
FIG. 4 is a perspective view showing a coupling relationship between a first lens and a second lens of a vehicle lamp according to an embodiment of the present invention. FIG.
FIG. 5 is a perspective view showing a coupling relationship between a first lens, a second lens, and a bezel of a vehicle lamp according to an embodiment of the present invention. FIG.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and how to accomplish them, will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. It should be understood, however, that the present invention is not limited to the embodiments disclosed herein but may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, To the person having the invention, and this invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

In addition, the embodiments described herein will be described with reference to cross-sectional views and / or schematic drawings that are ideal illustrations of the present invention. Thus, the shape of the illustrations may be modified by manufacturing techniques and / or tolerances. In the drawings, the constituent elements in the drawings may be somewhat enlarged or reduced in view of convenience of explanation. Like reference numerals refer to like elements throughout the specification.

Hereinafter, the present invention will be described with reference to the drawings for explaining a vehicle lamp according to one embodiment of the present invention.

1 is a cross-sectional view schematically showing a lamp for a vehicle according to an embodiment of the present invention.

1, a vehicle lamp 1 according to an embodiment of the present invention includes a light source 10, a first lens 20, a second lens 30, and a bezel portion 40. As shown in Fig.

As the light source 10, a light emitting device such as an LED (Light Emitting Diode) may be used.

As shown in FIG. 1, the bezel 40 and the second lens 30 form a space in which the first lens 20 and the light source 10 are installed. That is, one side of the space where the first lens 20 and the light source 10 are installed is formed by the bezel 40, and the other side is formed by the second lens 30.

As shown in FIG. 1, the first lens 20 includes a first diffusion lens 21, a second diffusion lens 22, and a connection bridge 23.

The first diffusing lens 21 forms one side of the first lens 20 and the second diffusing lens 22 is spaced apart from the first lens 20 by a predetermined distance to form the other side of the first lens 20 .

The first diffusing lens 21 and the second diffusing lens 22 are arranged along a traveling path of light emitted from the light source 10. Accordingly, the light emitted from the light source 10 passes through the first diffusion lens 21, is primarily diffused, then passes through the second diffusion lens 22, and is diffused in a second order.

The connection bridge 23 connects the first diffusion lens 21 and the second diffusion lens 22 so that the relative position between the first diffusion lens 21 and the second diffusion lens 22 is fixed. The connection bridge 23 may extend from the upper ends of the first diffusion lens 21 and the second diffusion lens 22 to support the first diffusion lens 21 and the second diffusion lens 22.

The connection bridge 23 is extended from each lower end of the first diffusion lens 21 and the second diffusion lens 22 to form the first diffusion lens 21 and the second diffusion lens 22, The diffusion lens 22 can be supported.

As shown in Fig. 1, the connection bridge 23 includes a protruding end 24 protruding from the connection bridge 23. 1, since the connection bridge 23 connects the upper ends of the first diffusion lens 21 and the second diffusion lens 22, the protruding end 24 protrudes upward from the connection bridge 23, The protruding end 24 may protrude downward from the connection bridge 23 in the embodiment in which the first diffusion lens 21 and the second diffusion lens 22 are connected to the lower end of the first diffusion lens 21 and the second diffusion lens 22.

The bezel 40 is in contact with one side of the protruding end 24 and the second lens 30 is in contact with the other side of the protruding end 24. Therefore, the protruding end 24 determines the installation position of the first lens 20, the second lens 30, and the bezel 40 in the process of assembling the lamp 1 for a vehicle according to an embodiment of the present invention And the first lens 20 is fixed by the second lens 30 and the bezel 40. In this case,

The first diffusion lens 21, the second diffusion lens 22 and the connection bridge 23 may be integrally formed and formed of a light-transmitting material through which the light emitted from the light source 10 can pass.

An optic for diffusing the light emitted from the light source 10 is formed on the one surface 21a and the back surface 21b of the first diffusion lens 21 and the one surface 22a and the back surface 22b of the second diffusion lens 22 .

2 is a view showing an optic formed on one surface of a first diffusion lens of a vehicle lamp according to an embodiment of the present invention.

As shown in FIG. 2, a plurality of vertical optics O 1 are formed on one surface 21 a of the first diffusion lens 21, the longitudinal length of which is longer than the horizontal length. And, a plurality of longitudinal optic (O 1) are arranged in the transverse direction.

Each vertical optic O 1 formed on one surface 21a of the first diffusion lens 21 diffuses the light emitted from the light source 10 in the horizontal direction. And, since the arrangement according to the plurality of vertical transverse optic (O 1), the light emitted from the light source 10 is spread more uniformly wide in the transverse direction.

A first back surface of the diffusing lens (21), (21b), the second Vertically optic (O 1) to a plurality of the same or similar as shown in in Figure 2 one side (22a) of the diffusion lens 22 is arranged in the transverse direction .

In this case, the light emitted from the light source 10 passes through one surface 21a of the first diffusion lens 21, the back surface 21b of the first diffusion lens 21, one surface 22a of the second diffusion lens 22, And the beam width is expanded in the lateral direction, and at the same time, the overall luminous intensity becomes uniform.

A plurality of vertical optics O 1 may be arranged in the lateral direction on the lower surface 23a of the connection bridge 23 in the same or similar manner as shown in FIG.

3 is a view showing an optic formed on the rear surface of a second diffusion lens of a vehicle lamp according to an embodiment of the present invention.

As shown in FIG. 3, a plurality of fish-eye optics (O 2 ) are arranged in a lattice pattern on the back surface 22b of the second diffusion lens 22. Therefore, the light passing through the back surface 22b of the second diffusion lens 22 is diffused in the horizontal and vertical directions.

The lamp 1 for a vehicle according to an embodiment of the present invention includes a first diffuser lens 20 for diffracting light emitted from the light source 10 through the first lens 20 in a lateral direction rather than in a longitudinal direction, one surface (21a), the first back (21b) and a second diffusion lens 22, a surface (22a) has longitudinal optic (O 1) of the arrayed plurality in the transverse direction of the diffusion lens 21 (21) formed And a plurality of fish eye optics (O 2 ) arranged in a lattice form are formed on the back surface 22b of the second diffusion lens 22. [

However, depending on the shape of the beam pattern formed through the first lens 20, one surface 21a of the first diffusion lens 21, the back surface 21b of the first diffusion lens 21, 22) one face (22a) and a may be 2, the longitudinal optic (O 1) or a plurality of fish-eye optics (O 2), a plurality of the respective back (22b) of the diffuser lens 22 formed of, vertical optics (O 1 ) And a fish-eye optic (O 2 ) may be applied.

FIG. 4 is a perspective view showing a coupling relationship between a first lens and a second lens of a vehicle lamp according to an embodiment of the present invention. FIG.

As shown in FIGS. 1 and 4, the second lens 30 is provided so as to surround the other side of the first lens 20.

Specifically, the second lens 30 has a shape that covers the front side of the second diffusion lens 22 from the other side of the protruding end 24 and surrounds the other side of the first lens 20.

Light having passed through the first lens 20 is emitted to the outside of the vehicle lamp 1 through the upper surface 31 and one surface 32 of the second lens 30.

4, the second vertical optics (O 1) upper surface (31) of the similarly arranged in the lateral direction as shown plurality in Figure 2 of the lens 30 is formed, the second lens (30 ) In the horizontal direction and makes the light intensity of the emitted beam pattern more uniform.

In addition, the second longitudinal optic (O 1) of the one surface 32 a plurality in FIG arranged in a similar transverse direction to that illustrated in Figure 2 of the lens 30 is formed, one surface 32 of the second lens 30 So that the luminous intensity of the emitted beam pattern becomes more uniform.

A plurality of fisheye lenses O 2 similar to those shown in FIG. 3 may be formed on the upper face 31 or the face 32 of the second lens 30 according to the embodiment.

4, the second lens 30 has a protruding-end receiving groove 33 for receiving at least a part of the protruding end 24.

A plurality of protruding end receiving grooves 33 of the second lens 30 and protruding ends 24 of the first lens 20 may be provided. In this case, the protruding end receiving recess 33 and the protruding end 24 May be configured to be one-to-one correspondence.

Therefore, since the assembling position of the second lens 30 with respect to the first lens 20 is easily determined by the matching of the projecting end receiving groove 33 and the projecting end 24, the first lens 20 and the second lens 20 The assembling convenience of the lens 30 is improved.

4, the second lens 30 includes a coupling hook 34 formed on one side of the first lens 20 and protruding toward the bezel 40. As shown in FIG. The coupling hook 34 fixes the second lens 30 to the bezel 40.

FIG. 5 is a perspective view showing a coupling relationship between a first lens, a second lens, and a bezel of a vehicle lamp according to an embodiment of the present invention. FIG.

As shown in FIGS. 1 and 5, the bezel 40 is provided to surround one side of the first lens 20.

Specifically, the bezel portion 40 has a shape that wraps around the rear side of the first diffusion lens 21 from one side of the projecting end 24, and surrounds one side of the first lens 20.

The bezel portion 40 is formed to surround one side of the first lens 20 by forming a space in which the light source 10 can be positioned between the first diffusion lens 21 and the bezel portion 40.

1 and 5, the bezel unit 40 is provided with a light source 10 or a light source installation groove 41 for entering between the bezel unit 40 and the first diffusion lens 21 .

When a plurality of light sources 10 are used, a plurality of light source mounting grooves 41 may be formed along the longitudinal direction of the first lens 20.

5, a hook receiving groove 42 for receiving the coupling hook 34 of the second lens 30 is formed in the bezel portion 40. As shown in FIG. The hook receiving groove 42 is formed with a hook supporting jaw (not shown) for supporting the coupling hook 34 so that the coupling hook 34 is not easily separated after the second lens 30 and the bezel 40 are coupled do.

The lamp 1 for a vehicle according to an embodiment of the present invention has been described on the basis that the coupling hook 34 is formed on the second lens 30 and the hook receiving groove 42 is formed on the bezel 40, In another embodiment, a coupling hook 34 may be formed in the bezel portion 40, and a hook receiving groove 42 may be formed in the second lens 30. When the engaging hook 34 is formed on the bezel 40, the engaging hook 34 is protruded toward the second lens 30 to be received in the hook receiving recess 42 formed in the second lens 30 do.

As described above, the lamp 1 for a vehicle according to an embodiment of the present invention is characterized in that the first lens 20 includes two diffusion lenses 21 and 22, and two diffusion lenses 21 and 22 are integrally formed The two diffusion lenses 21 and 22 can be easily installed and fixed.

The optics O 1 and O 2 are provided on the surfaces 21a and 22a and the back surfaces 21b and 22b of the diffusion lenses 21 and 22, O 2 ) is formed so that the light emitted from the light source 10 is more effectively diffused and the luminous intensity of the diffused beam pattern is made uniform. An optic O 1 is also formed on the upper surface 31 and the upper surface 32 of the second lens 30 so that the diffused light is further diffused so as to have a uniform light intensity passing through the first lens 20, So that the light passing through the second lens 30 has a surface light emission beam pattern having a more uniform luminous intensity at a certain area.

The protruding end 24 of the first lens 20 is fitted to the engaging portion of the bezel 40 and the second lens 30 so that the bezel 40 and the second lens 30 are engaged The first lens 20 is configured to be fixed so that the assembly convenience is improved and the first lens 20 is stably fixed.

Those skilled in the art will appreciate that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the foregoing description, and all changes or modifications derived from the meaning and scope of the claims and equivalents thereof are included in the scope of the present invention Should be interpreted.

1: vehicle lamp 10: light source
20: first lens 21: first diffusion lens
21a: one surface of the first diffusion lens 21b: rear surface of the first diffusion lens
22: second diffusion lens 22a: one surface of the second diffusion lens
22b: back surface of the second diffusion lens 23: connection bridge
23a: lower surface of the connection bridge 24:
30: second lens 31: upper surface of the second lens
32: one surface of the second lens 33:
34: coupling hook 40: bezel portion
41: Light source installation groove 42: Hook receiving groove
O 1 : Vertical optics O 2 : Fish eye optics

Claims (13)

Light source; And
And a first lens provided on an optical path of light emitted from the light source,
Wherein the first lens comprises:
A first diffusion lens formed on one side of the first lens for diffusing light emitted from the light source,
A second diffusion lens formed on the other side of the first lens and diffusing light passing through the first diffusion lens;
And a connection bridge connecting the first diffusion lens and the second diffusion lens such that a relative position between the first diffusion lens and the second diffusion lens is fixed. The method according to claim 1,
Wherein the first diffusion lens includes a plurality of vertical optics whose longitudinal length is longer than a transverse length and the plurality of longitudinal optics are arranged in a lateral direction so that light passing through the first diffusion lens is diffused in the horizontal direction , Lamps for vehicles. 3. The method of claim 2,
Wherein the plurality of vertical optics are formed on one surface and the back surface of the first diffusion lens. The method according to claim 1,
Wherein the second diffusion lens includes a plurality of vertical optics whose longitudinal length is longer than the transverse length and the plurality of longitudinal optics are arranged in the lateral direction so that light passing through the second diffusion lens is diffused in the horizontal direction , Lamps for vehicles. 5. The method of claim 4,
And the plurality of vertical optics are formed on one surface of the second diffusion lens. 6. The method of claim 5,
Wherein the second diffusion lens includes a plurality of fisheye lenses arranged in a lattice, and the plurality of fisheye lenses are formed on a back surface of the second diffusion lens. The method according to claim 1,
Wherein the connection bridge connects at least one of an upper end and a lower end of the first diffusion lens and the second diffusion lens. The method according to claim 1,
A bezel portion provided to surround one side of the first lens,
And a second lens provided to surround the other side of the first lens. 9. The method of claim 8,
Wherein the connection bridge further comprises a protruding end protruding from the connection bridge,
Wherein the bezel portion abuts on one side of the projecting end and the second lens abuts on the other side of the projecting end. 10. The method of claim 9,
Wherein at least one of the bezel portion and the second lens is provided with a projecting end receiving groove for receiving a part of the projecting end. 9. The method of claim 8,
And a first element of the second lens and the bezel includes a coupling hook protruding toward a second one of the second lens and the bezel,
And the second element includes a hook receiving groove in which the coupling hook is received. 9. The method of claim 8,
Wherein the second lens includes a plurality of optics whose longitudinal length is longer than the transverse length and the plurality of optics are arranged in the lateral direction to diffuse the light passing through the second lens in the lateral direction, . 9. The method of claim 8,
And the bezel portion includes a light source installation groove in which the light source is installed.
KR2020160001294U 2016-03-11 2016-03-11 Lamp for vehicle KR200484618Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2020160001294U KR200484618Y1 (en) 2016-03-11 2016-03-11 Lamp for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2020160001294U KR200484618Y1 (en) 2016-03-11 2016-03-11 Lamp for vehicle

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KR20170003263U true KR20170003263U (en) 2017-09-20
KR200484618Y1 KR200484618Y1 (en) 2017-09-29

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003019919A (en) * 2001-07-06 2003-01-21 Koito Mfg Co Ltd Infrared light irradiation lamp for automobile
JP2014235976A (en) * 2013-06-05 2014-12-15 スタンレー電気株式会社 Vehicular lighting fixture
JP2015222702A (en) * 2014-05-23 2015-12-10 スタンレー電気株式会社 Lens body and lighting appliance for vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003019919A (en) * 2001-07-06 2003-01-21 Koito Mfg Co Ltd Infrared light irradiation lamp for automobile
JP2014235976A (en) * 2013-06-05 2014-12-15 スタンレー電気株式会社 Vehicular lighting fixture
JP2015222702A (en) * 2014-05-23 2015-12-10 スタンレー電気株式会社 Lens body and lighting appliance for vehicle

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