WO2018021724A1

WO2018021724A1 - Vehicle led lamp unit

Info

Publication number: WO2018021724A1
Application number: PCT/KR2017/007337
Authority: WO
Inventors: 곽병훈
Original assignee: 엘에스오토모티브 주식회사
Priority date: 2016-07-29
Filing date: 2017-07-07
Publication date: 2018-02-01

Abstract

The present invention relates to a vehicle LED lamp unit (10) which attaches to a vehicle lamp base (2), which attaches to a vehicle and is provided with a base terminal (20) on the rear, so as to establish contact with the base terminal (20). The vehicle LED lamp unit (10) comprises: a unit housing (100) having at least a part thereof inserted into the base terminal (20); a unit substrate (200) arranged on the unit housing (100) and establishing an electrical connection with the base terminal (20); a unit lamp (300) comprising an LED element arranged on one side of the unit substrate (200); and a unit heat-dissipation unit (400), in contact with the unit substrate (200), for dissipating heat generated in the unit lamp (300).

Description

LED Lamp Unit for Vehicle

The present invention relates to a lamp unit to be mounted on a vehicle, which can minimize manufacturing costs and improve durability and sensitivity.

Automotive lamps, for example, vehicle room lamps simply provide lighting inside the vehicle, and in order to ensure durability of the vehicle, a typical lamp such as a bulb type such as a halogen is adopted in the vehicle.

However, the demand for bodily satisfaction of the vehicle driver has increased, and the demand for the LED lamp has increased.

To this end, the LED module of the bulb bulb socket shape is conventionally configured for compatibility with the bulb bulb. In addition, it consists of the shape of the PCB for mounting the light source (LED) and the PCB for the driver configuration.

However, in this structure, the PCB on which the light source (LED) is mounted and the PCB composed of the driver were separated from each other, and a connector was required for connection, and the connector was manually attached due to the size problem of the PCB. (LED) There was a problem of alignment between PCB and driver PCB, and there was a problem in assembly process. In addition, a terminal PIN was required to connect the lamp contacts, and a soldering process was needed to connect the terminal PIN to the PCB.

In other words, the assembly process is complicated and the cost increases.

The present invention has been made to solve the problems of the prior art, the object of the present invention is to improve the structure of the direct contact method rather than the existing terminal connection method, and to provide a vehicle LED lamp unit that achieves a poor structure that can occur in the assembly process of the apparatus It is.

According to one aspect of the invention, the invention is a vehicle LED lamp unit 10 mounted to be connected to the base terminal 20 to the vehicle lamp base (2) having a base terminal 20 mounted on the vehicle and disposed on the rear The LED lamp unit 10 may include: a unit housing 100 at least partially inserted into the base terminal 20, and disposed in the unit housing 100 and in electrical communication with the base terminal 20. A unit lamp 300 including a unit substrate 200, an LED element disposed on one surface of the unit substrate 200, and generated from the unit lamp 300 in contact with the unit substrate 200. It provides a LED lamp unit 10 for a vehicle comprising a unit heat dissipation unit 400 for dissipating the heat.

In the vehicle LED lamp unit 10, the unit substrate 200 is a flexible substrate (FPCB), and the unit substrate 200 includes: a lamp substrate 210 on which the unit lamp 300 is disposed; A device substrate 220 connected to a lamp substrate 210 side and configured to transmit an electrical signal to the unit lamp 300, and including at least a portion of the lamp substrate 210 and the device substrate 220. May be disposed on planes intersecting with each other.

In the vehicle LED lamp unit 10, the unit heat dissipation unit 400 is: a lamp heat dissipation unit 410 in contact with the lamp substrate 210, the lamp heat dissipation unit 410 is connected to the device substrate It may also include a device heat dissipation unit 420 in contact with the 220 to release the heat of the device substrate 220.

In the LED lamp unit 10 for a vehicle, a connector terminal portion in which an electrical connection is made between the base terminal 20 and the unit board 200 by contact and at least one end thereof is drawn out to the outside of the unit housing. 600 may be provided, and a contact terminal 500 may be further provided between the unit board 200 and the connector terminal 600 to transmit an electrical signal.

In the vehicle LED lamp unit 10, the contact terminal unit 500 may include: a substrate contact terminal 510 disposed on the unit substrate 200, the connector terminal unit 600, and the substrate contact unit. It may also have a connector contact terminal 520 connected to the terminal 510.

In the vehicle LED lamp unit 10, the connector contact terminal 520 may include: a connector contact terminal connection part 521 disposed opposite to the board contact terminal 510 in the unit housing 100, and one end thereof; May be connected to the connector contact terminal connecting portion 521, and the other end thereof may include a connector contact terminal connecting portion 522 connected to the connector terminal portion 600.

In the LED lamp unit 10 for the vehicle, the connector contact terminal connecting portion 521 is disposed in pairs with the connector contact terminal connecting portion 522 interposed therebetween, and at least a part of the unit heat dissipating portion 400 therebetween. It is also possible to form an elastic contact state.

In the vehicle LED lamp unit 10, the connector terminal unit 600 may be connected to the side of the connector contact terminal connection unit 522.

In the LED lamp unit 10 for the vehicle, the lamp heat dissipation unit 410 and the element heat dissipation unit 420 are orthogonally disposed, and the lamp heat dissipation unit 410 is at least one of a circular, disc, and square shapes. It may be provided.

According to another aspect of the invention, the invention is a vehicle LED lamp unit 10 mounted to be connected to the base terminal 20 to the vehicle lamp base (2) having a base terminal 20 mounted on the vehicle and disposed on the rear The vehicle LED lamp unit 10 may include: a unit housing 100 at least partially inserted into the base terminal 20, and disposed in the unit housing 100 and electrically connected to the base terminal 20. A unit lamp 300 including a unit substrate 200 to communicate with each other, an LED element disposed on one surface of the unit substrate 200, and the unit lamp 300 in contact with the unit substrate 200. And a unit heat dissipation unit 400 for dissipating the generated heat, wherein the unit substrate 200 is a flexible substrate FPCB, and the unit substrate 200 is a lamp substrate on which the unit lamp 300 is disposed. And an element substrate 220 connected to the lamp substrate 210 side and having an element for transmitting an electrical signal to the unit lamp 300, wherein the lamp substrate 210 and the element substrate are disposed. At least a portion of the 220 is disposed on a plane intersecting with each other, and the unit heat dissipation unit 400 includes: a lamp heat dissipation unit 410 in contact with the lamp substrate 210, and a lamp heat dissipation unit 410. And a device heat dissipation unit 420 connected to and in contact with the device substrate 220 to emit heat of the device substrate 220, wherein the lamp heat dissipation unit 410 and the device heat dissipation unit 420 are directly connected to each other. May be connected in contact.

In the vehicle LED lamp unit 10, the lamp heat dissipation unit 410 and the element heat dissipation unit 420 may be connected to each other.

In the vehicle LED lamp unit 10, the lamp heat dissipation unit 410 and the element heat dissipation unit 420 may be orthogonally connected.

In the LED lamp unit 10 for a vehicle, the lamp heat dissipation unit 410 is provided with a lamp heat dissipation mounting unit 413, and the element heat dissipation unit 420 is engaged with the lamp heat dissipation mounting unit 413. 423 may be included.

In the vehicle LED lamp unit 10, the lamp heat dissipation mounting portion 413 and the element heat dissipation mounting portion 423 may be slide-fit on a plane to which the lamp heat dissipation portion 410 belongs.

In the vehicle LED lamp unit 10, the lamp heat dissipation mounting portion 413 and the element heat dissipation mounting portion 423 may be fitted in the orthogonal connection direction of the lamp heat dissipation portion 410 and the element heat dissipation portion 420. It may be.

In the LED lamp unit 10 for the vehicle, the lamp substrate 210 and the element substrate 220 are connected between the connection substrate 230 between the, and the connection of the lamp radiator 410, A chamfered lamp heat dissipation cutoff 411 may be disposed on an end side of the 230.

In the vehicle LED lamp unit 10, the lamp substrate 210 includes a lamp substrate cutoff 211 formed inside the lamp substrate 210, the outer side of the connection point of the lamp substrate 210 and the connection substrate 230, The lamp heat dissipation cutoff receiver 415 may be formed at the end of the lamp heat dissipation cutoff 411 toward the inside of the lamp heat dissipation unit 410 and form an accommodation of the connection substrate 230.

In the LED lamp unit 10 for a vehicle, the unit housing 100 includes: a housing cover 120 that is mounted on a vehicle lamp base and a housing cover 120 that is engaged with the housing body 110 to form an inner space. It may include, and the housing cover 120 may include a cover substrate support rib 125 for stably supporting the unit substrate 200.

According to the present invention, it is possible to provide an LED lamp unit for a vehicle that ensures low cost, high efficiency and high reliability through a compact and simple structure.

In addition, it is possible to improve the structure of the direct contact method instead of the existing terminal connection method, and improve the defective structure that may occur in the assembly process.

In addition, the LED module using a conventional heat sink attached FPCB has a disadvantage in that a lot of labor is involved when assembling the LED PCB and the driver PCB is separated, the heat generated from the LED PCB was only a structure that emits only from the LED PCB, the present invention The driver PCB is located at the center part of the LED PCB through the structure that connects the LED PCB and the driver PCB, and it is easy to fasten the driver PCB to the fixture by applying force to the upper LED PCB, and the heat generated from the LED PCB Can be transferred to the driver PCB to solve the heat problem that has an absolute impact on the life of the LED.

In addition, the connection with the substrate may be made on a plane perpendicular to the longitudinal direction, thereby enabling a compact space arrangement.

In addition, a process cost reduction may be achieved through a structure formed through bending or punching of the strip, and a connection state reinforcing structure through connection and elastic support may be formed through a Y-shaped terminal structure.

In addition, when the connector terminal is formed of solder through the holding increment, the connection state strengthening effect may be provided.

1 and 2 are schematic perspective views showing the mounting state of the LED lamp unit for a vehicle according to an embodiment of the present invention.

3 and 4 are schematic partial projection perspective views and partial perspective views of the LED lamp unit for a vehicle according to an embodiment of the present invention.

5 is a schematic perspective view of a unit substrate and a unit heat dissipation unit of an LED lamp unit for a vehicle according to an embodiment of the present invention.

6 and 7 are schematic plan and side views of a state before assembly of the LED lamp unit for a vehicle according to an embodiment of the present invention.

8 is a schematic perspective view of a contact terminal unit and a connector terminal unit of the LED lamp unit for a vehicle according to an embodiment of the present invention.

9 to 11 are schematic partial front and partial side views of the assembled connection state of the LED lamp unit for a vehicle according to an embodiment of the present invention.

12 is a schematic state diagram of a rear surface of a vehicle lamp base to which a vehicle LED lamp unit is connected according to an embodiment of the present invention.

13 is a schematic perspective view of a unit heat dissipation unit of a LED lamp unit for a vehicle according to an embodiment of the present invention.

14 to 17 are schematic partial perspective views of an LED lamp unit for a vehicle according to another embodiment of the present invention.

18 and 19 are schematic partial perspective views of an LED lamp unit for a vehicle according to another embodiment of the present invention.

20 and 21 are schematic partial perspective views of a modification of the LED lamp unit for a vehicle according to another embodiment of the present invention.

22 is a schematic partial cross-sectional view of an LED lamp unit for a vehicle according to another embodiment of the present invention.

23 is a schematic perspective view of a LED lamp unit for a vehicle according to another embodiment of the present invention.

24 is a schematic exploded perspective view of an LED lamp unit for a vehicle according to another embodiment of the present invention.

25 to 28 are schematic partial perspective views of an LED lamp unit for a vehicle according to another embodiment of the present invention.

29 is a schematic perspective view of an LED lamp unit for a vehicle according to another embodiment of the present invention.

30 is a schematic exploded perspective view of a modification of the LED lamp unit for a vehicle according to another embodiment of the present invention.

31 is a schematic partial perspective view of a modification of the LED lamp unit for a vehicle according to another embodiment of the present invention.

32 is a schematic partial exploded perspective view of an LED lamp unit for a vehicle according to another embodiment of the present invention.

33 and 34 are schematic plan and partially enlarged perspective views of a holding increment of the LED lamp unit for a vehicle according to another embodiment of the present invention.

35 is a schematic perspective view of a modification of the substrate support unit of the LED lamp unit for a vehicle according to another embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

The vehicle LED lamp unit 10 of the present invention provides a lamp unit for generating light from the LED in the vehicle.

More specifically, the vehicle LED lamp unit 10 is mounted to the vehicle lamp base 2. The vehicle lamp base 2 is mounted on a vehicle. The vehicle lamp base 2 has a vehicle lamp base cover 2a disposed on its front surface, and light generated from the vehicle LED lamp unit 10 described below is emitted through the vehicle lamp base cover 2a.

The vehicle lamp base 2 according to the present embodiment includes a mounting hole and a base terminal 20 to which the vehicle LED lamp unit 10 is inserted and mounted on a rear surface thereof. Base terminal 20 is arranged in the form of two divided terminals on the outer periphery of the mounting hole, the vehicle LED lamp unit 10 is inserted into the mounting hole, the vehicle lamp base (2) to the front of the vehicle LED lamp unit 10 The connector terminal portion 600 connected to the corresponding position of the base terminal 20 formed on the back of the () is disposed.

The LED lamp unit 10 for a vehicle according to the present invention includes a unit housing 100, a unit substrate 200, and a unit lamp 300, and in some cases, a unit heat dissipation unit 400 and a contact terminal unit 500. ) May be further provided as an optional or as a whole, the vehicle LED lamp unit 10 according to the present embodiment will be described with a focus on the case having a unit heat dissipation unit 400 and the contact terminal unit 500, but the design specification Various choices and configurations are possible.

First, the unit housing 100 is at least partially inserted into the base terminal 20 side of the vehicle lamp base 2.

The unit housing 100 includes a housing body 110 and a housing cover 120, and the housing body 110 and the housing cover 120 are engaged with each other to form an interior space for accommodating different configurations.

The housing body 110 includes a main body 111, a body holder 113 is provided on an outer circumference of the main body 111, and includes a body accommodating part 115 that accommodates another configuration in the center. The body holder 113 is configured to engage with the cover holder 123 corresponding to the outer circumference of the housing cover 120.

A body connector through hole 117 is formed on the outer circumference of the main body 111 of the housing body 110, and at least some end of the connector terminal described below through the body connector through hole 117 is exposed to the outside, and ultimately, When the vehicle LED lamp unit 10 is mounted on the vehicle lamp base 2, the vehicle LED lamp unit 10 is connected to the base terminal 20.

The front cover of the housing cover 120 may be provided with an optical display for smoothly transmitting a predetermined light or a cover transmission part 121 in which an icon or the like is disposed in some cases. A cover substrate support rib 125 may be provided inside the housing cover 120 to stably support the unit substrate 200.

The unit board 200 is disposed in the unit housing 100 and makes electrical communication with the base terminal 20. The unit board 200 is connected to the base through the connector terminal 600 to the contact terminal 500, which will be described later. The terminal 20 may be connected to the side, and the base terminal 20 may be connected to an external power source so that the external power source may be transmitted to the LED lamp unit 10 for the vehicle as an electric signal.

The unit substrate 200 of the present invention may be implemented as a flexible substrate of an FPCB, or may be implemented as a conventional hard type printed circuit board. The present embodiment will be described with reference to a flexible printed circuit board.

The unit substrate 200 includes a lamp substrate 210 and an element substrate 220.

The unit lamp 300 is disposed on one surface of the lamp substrate 210.

The device substrate 220 is connected to the lamp substrate 210 side and the device for transmitting an electrical signal to the unit lamp 300 is disposed.

The lamp substrate 210 and the device substrate 220 are connected to the connection substrate 230 in the present embodiment, and the lamp substrate 210, the device substrate 220, and the connection substrate 230 are integrally formed. (See Figure 6).

In addition, at least a portion of the lamp substrate 210 and the element substrate 220 is disposed on a plane intersecting with each other, the lamp substrate 210 and the element substrate 220 is the same when disposed in the vehicle LED lamp unit 10 It is arranged on a plane that intersects each other without being located on a plane, that is, on a plane that is orthogonal in this embodiment (see FIG. 5).

The connection board 230 connects the lamp substrate 210 attached to the lamp radiator 410 and the device substrate 220 attached to the element radiator 420. The connection board 230 is a lamp radiator 410. Take a structure arranged along the sides and bottom of the).

In the device substrate 220, a connector contact terminal 520 of the contact terminal part 500 described below is formed to form a contact connection state with the connector terminal part 600.

On the other hand, the unit lamp 300 is implemented with a predetermined LED element, in the present embodiment is a single number, but various configurations are possible according to the design specifications.

The unit lamp 300 includes an LED element disposed on one surface of the unit substrate 200.

In addition, the unit heat dissipation unit 400 is in contact with the unit substrate 200 to release the heat generated by the unit lamp (300). The unit heat dissipation unit 400 is limited to electrical communication but is formed of a non-conductive metal to allow heat dissipation.

The unit heat dissipation unit 400 includes a lamp heat dissipation unit 410 and an element heat dissipation unit 420. The lamp radiator 410 is in contact with the lamp substrate 210, and the device radiator 420 is connected to the lamp radiator 410 and is in contact with the device substrate 220 to emit heat from the device substrate 220. .

In this embodiment, the lamp heat dissipating unit 410 and the element heat dissipating unit 420 are orthogonally arranged, and the lamp heat dissipating unit 410 may have various shapes, among which may have a disc shape. Correspondingly, the lamp substrate 210 may also have a circular shape. In the present embodiment, the original (circular) shape of the lamp heat dissipation portion and the corresponding shape of the lamp substrate are preferable in terms of enhancing the manufacturability, but the shape of such a lamp heat dissipation portion / lamp substrate is not limited to the original (circular) shape. And various modifications are possible, such as may be made in the shape of substantially circular, oval and angular.

A predetermined adhesive part may be disposed on one surface of the lamp heat dissipating part 410 and the device heat dissipating part 420, and the lamp substrate 210 and the device substrate 220 may be bonded to each other.

In addition, the connector terminal portion 600 makes direct contact with the base terminal 20, and the connector terminal portion 600 forms an electrical connection by contact between the base terminal 20 and the unit board 200. At least one end of the connector terminal unit 600 is disposed to be drawn out of the unit housing 100.

That is, as described above, a body connector through hole 117 is formed at an outer circumference of the main body 111 of the housing body 110, and at least one end of the connector terminal part 600 has a body connector through hole 117. When the vehicle LED lamp unit 10 is mounted to the vehicle lamp base 2 by being exposed to the outside, the connector terminal unit 600 is connected to the base terminal 20.

On the other hand, the contact terminal 500 transmits an electrical signal between the unit board 200 and the connector terminal 600.

More specifically, the contact terminal unit 500 includes a board contact terminal 510 and a connector contact terminal 520, wherein the board contact terminal 510 is disposed on the unit board 200 and the connector contact terminal 520. ) Is connected to the connector terminal 600 and is connected to the substrate contact terminal 510.

The connector contact terminal 520 includes a connector contact terminal connector 521 and a connector contact terminal connector 522 (see FIG. 8).

In the present embodiment, the connector contact terminal 520 may be formed by bending a T-shaped conductive metal piece, and includes a connector contact terminal connector 521 and a connector contact terminal connector 522.

The connector contact terminal connecting portion 521 is disposed opposite to the substrate contact terminal 510 formed on the unit substrate 200 in the unit housing 100. In addition, one end of the connector contact terminal connection part 522 is connected to the connector contact terminal connection part 521, and the other end is connected to the connector terminal part 600. The connector terminal portion 600 is connected to the side of the connector contact terminal connection portion 522.

In addition, the connector contact terminal connecting portion 521 is disposed in pairs with the connector contact terminal connecting portion 522 interposed therebetween, with at least a portion of the unit heat dissipating portion 400 being elastically contacted inside the unit housing 100. To form. That is, when the connector contact terminal connecting portion 521 is disposed in pairs with the connector contact terminal connecting portion 522 interposed and bent to face each other, the connector contact terminal connecting portions 521 are formed at predetermined intervals. The connector contact terminal connecting portion 521 disposed to face each other is disposed at a predetermined interval, and the predetermined interval is formed to a value smaller than the thickness of the element radiating portion 420 of the unit radiating portion 400. Is inserted and placed in position. Through such a structure, the connection state between the substrate contact terminal 510 and the connector contact terminal connecting portion 521 formed on one surface of the element substrate 220 disposed in contact with one surface of the element heat dissipating portion 420 can be more firmly established. have.

On the other hand, the unit heat dissipation unit 400 of the LED lamp unit 10 of the present invention can take a variety of configurations.

That is, as described above, the unit substrate 200 is a flexible substrate (FPCB), the unit substrate 200 is connected to the lamp substrate 210, the lamp substrate 210 side on which the unit lamp 300 is disposed And an element substrate 220 on which an element for transmitting an electrical signal to the unit lamp 300 is disposed, wherein at least a portion of the lamp substrate 210 and the element substrate 220 are disposed on a plane crossing each other, and the unit The radiator 400 is a lamp radiator 410 in contact with the lamp substrate 210 and an element connected to the lamp radiator 410 and in contact with the element substrate 220 to emit heat from the element substrate 220. It includes a heat dissipation unit 420, the lamp heat dissipation unit 410 and the element heat dissipation unit 420 is directly contacted with each other.

The lamp radiator 410 and the device radiator 420 may have a structure in which they are connected to each other. That is, the lamp heat dissipation unit 410 and the element heat dissipation unit 420 may be orthogonally connected, and the lamp heat dissipation unit 410 and the element heat dissipation unit 420 are orthogonally connected to the lamp heat dissipation unit 413 and the element heat dissipation mounting unit. 423, wherein the lamp heat dissipation mounting part 413 is provided at the lamp heat dissipation part 410, and the device heat dissipation mounting part 423 is formed at the device heat dissipation part 420 to be engaged with the lamp heat dissipation mounting part 413.

As an example of such a fitting method, as illustrated in FIG. 21, the lamp heat dissipation mounting unit 413 and the device heat dissipation mounting unit 423 may have a structure in which the lamp heat dissipation mounting unit 423 slides on a plane to which the lamp heat dissipation unit 410 belongs. . That is, the lamp heat dissipation mounting portion 413 has a slide line formed in a straight groove on the bottom surface of the lamp heat dissipation portion 410, and the element heat dissipation portion 420 has an element heat dissipation mounting portion 423 protrudingly formed on the upper end thereof, and device heat dissipation. The mounting portion 423 is inserted into the lamp heat dissipation mounting portion 413.

Through such a slide insertion process can be configured to prevent more rapid and unwanted separation and departure.

In addition, the engagement structure of the lamp heat dissipation mounting portion 413 and the element heat dissipation mounting portion 423 of the fitting method of the present invention may take a simple fitting method in the vertical direction in addition to the slide method.

That is, as illustrated in FIGS. 14 to 17, the lamp heat dissipation mounting unit 413 and the device heat dissipation mounting unit 423 may be fitted in the orthogonal connection direction of the lamp heat dissipation unit 410 and the device heat dissipation unit 420. .

The lamp heat dissipation mounting unit 413 and the element heat dissipation mounting unit 423 may have a structure in which a protruding structure is fitted on a plane to which the lamp heat dissipation unit 410 belongs. That is, the lamp heat dissipation mounting part 413 has a recess structure formed on the bottom surface of the lamp heat dissipation part 410, the recessed part is formed on the bottom surface of the lamp heat dissipation part 410, and the element heat dissipation mounting part 423 is formed on the top of the lamp heat dissipation part 410, and the lamp heat dissipation part is formed. The element heat dissipation part 420 is disposed in a direction perpendicular to the plane formed by the 410, and the element heat dissipation mounting part 423 is inserted into the lamp heat dissipation mounting part 413. In this embodiment, the lamp heat dissipation mounting unit 413 and the device heat dissipation mounting unit 423 take a structure in which two are spaced apart from each other, and each of the lamp heat dissipation mounting unit 413 and the element heat dissipation mounting unit 423 is fitted.

Through such a press-fit insertion process, it is possible to take a configuration to prevent more rapid and undesired separation separation.

On the other hand, as described above, the unit heat dissipation unit 400 is attached to the unit substrate 200, to prevent damage due to the bending of the connection board 230 or when the unit heat dissipation unit 400 has a circular connection A component for preventing peeling of the lamp substrate 210 and the device substrate 230 connected to the substrate 230 may be further provided. That is, the lamp substrate 210 and the element substrate 220 is connected between the connection substrate 230, the lamp heat dissipation chamfered on the end side of the lamp heat dissipation unit 410, the end of the connection substrate 230 is disposed Cutoff 411 is disposed.

When the lamp heat dissipation unit 410 has a circular shape, the lamp heat dissipation cutoff 411 is formed at an end side of the lamp heat dissipation unit 410 to alleviate the bending angle of the unit substrate 200 or to cause the lamp heat dissipation unit 410 to peel off. The lamp substrate 210 and the device substrate 220 may be undesirably separated from the device heat radiating part 420.

On the other hand, in the case of including the heat dissipation structure of this structure, the connection board 230 is disposed between the two element heat dissipation mounting portion 423 to take a configuration to be interposed between the lamp heat dissipation portion 410 and the element heat dissipation portion 420. It may be. In this case, the unit lamp 300 disposed on the lamp substrate 210 and the element disposed on the element substrate 220 are disposed on the same surface of the unit substrate 200 (see FIG. 19), so that the connection substrate 230 It is disposed between the two element heat dissipation mounting portion 423 and the degradation due to aging that is fixed between the lamp heat dissipation portion 410 and the element heat dissipation portion 420 can be prevented.

That is, the lamp substrate 210 to the device substrate 220 may be prevented from being separated from the lamp heat dissipation unit 410 and the device heat dissipation unit 420 due to the deterioration of adhesive performance due to heat generation.

In addition, the vehicle LED lamp unit 10 of the present invention may further include a configuration for preventing the separation of the substrate from the heat radiating portion.

A lamp substrate cutoff 211 and a lamp heat dissipation cutoff receiver 415 may be further provided. The lamp substrate cutoff 211 may be inside the lamp substrate 210, and a connection point between the lamp substrate 210 and the connection board 230 may be provided. The lamp heat dissipation cutoff accommodating part 415 is formed at an outer side of the lamp heat dissipation cutoff 411 at an end side of the lamp heat dissipating cutoff 411 toward the inner side of the lamp heat dissipating part 410 and forms a housing of the connecting substrate 230.

On the other hand, unlike in the previous embodiment, the vehicle LED lamp unit 10 of the present invention, unlike the contact terminal portion connected in the longitudinal direction of the vehicle LED lamp unit 10 in the longitudinal direction of the vehicle LED lamp unit 10 The structure which forms the connection state of the contact terminal part on a perpendicular plane may be taken. In the present embodiment, unlike the previous embodiment, the unit substrate 200 and the contact terminal unit 500 are connected and the unit heat dissipation unit 400 is excluded. The same reference numerals are used for the same reference numerals, and redundant descriptions are omitted.

As shown in FIGS. 23 to 28, the vehicle LED lamp unit 10 includes a unit housing 100, a unit board 200, a unit lamp 300, a connector terminal unit 600, and a contact terminal. The unit 500 includes a contact terminal unit 500 which transmits an electrical signal between the unit board 200 and the connector terminal unit 600, wherein the unit board 200 and the contact terminal unit 500 are unit boards. It is connected at the back side of 200.

In the present embodiment, the unit substrate 200 may be formed of a general printed circuit board. The unit lamp 300 is disposed on one surface of the unit substrate 200.

In the same manner as in the foregoing case, a body connector through hole 117 is formed on the outer circumference of the main body 111 of the housing body 110, and at least some end of the connector terminal described below through the body connector through hole 117 is externally formed. And ultimately, when the vehicle LED lamp unit 10 is mounted on the vehicle lamp base 2, it is connected to the base terminal 20.

In addition, the connector terminal portion 600 makes direct contact with the base terminal 20, and the connector terminal portion 600 forms an electrical connection by contact between the base terminal 20 and the unit board 200. At least one end of the connector terminal unit 600 is disposed to be drawn out of the unit housing 100. That is, as described above, a body connector through hole 117 is formed at an outer circumference of the main body 111 of the housing body 110, and at least one end of the connector terminal part 600 has a body connector through hole 117. When the vehicle LED lamp unit 10 is mounted to the vehicle lamp base 2 by being exposed to the outside, the connector terminal unit 600 is connected to the base terminal 20.

In the present exemplary embodiment, at least a portion of the connector terminal portion 600 exposed at least partially through the connector through hole 117 and the contact terminal portion 500 connected to the rear surface of the unit substrate 200 are integrally formed.

More specifically, the contact terminal unit 500 includes a board contact terminal 510 and a connector contact terminal 520.

The board contact terminal 510 is disposed on the rear surface of one surface on which the unit lamp 300 of the unit board 200 is disposed, and the connector contact terminal 520 is connected to the connector terminal 600 and the unit board 200 It is connected to the substrate contact terminal 510 formed on the rear surface.

The connector contact terminal 520 and the connector terminal portion 600 may be integrally formed. The connector terminal portion 600 includes a connector terminal base 601 and a connector terminal contact portion 603.

The connector terminal base 601 is inserted into the unit housing and connected with the connector contact terminal 520, and the connector terminal contact 603 is connected with the connector terminal base 601 and connects with the base terminal 20.

The connector contact terminal 520 and the connector terminal portion 600 may have a structure disposed at both ends of the conductive strip that is bent. That is, one long strip type conductive metal strip may be bent to form a Y-shaped conductive structure as shown in FIG. 24. In the case of bending one long strip type conductive metal strip, one long strip type Both ends of the conductive metal strip of the upper end of the upper side, respectively, the connector contact terminal 520 and the connector terminal portion 600 is formed with a fixed terminal contact protrusion 523 and a connector terminal contact protrusion 605 protrudingly formed Thus, the contact with the connector contact terminal 520 and the base terminal 20 formed on the back surface of the unit substrate 100 may be smooth.

As described above, the end of the unit housing is provided with a body connector through hole 117 through which the connector terminal contact portion 603 is protruded. Guidance or excessive bending of the connector terminal contact portion 603 of the terminal portion 600 may be prevented.

The unit housing accommodating part 112 is formed inside the unit housing 100, and the body substrate supporting part 114 is formed outside the unit housing accommodating part 112 to form a stable support state of the unit substrate 200. . Although not shown in the present embodiment, in some cases, the unit heat dissipation unit that performs a heat dissipation function may be further provided in the unit housing accommodating part 112.

The body connector mounting part 119 is provided at the side of the unit housing accommodating part 112. That is, the unit housing 100 is provided with a body connector mounting portion 119, the body connector mounting portion 119 accommodates the connector terminal base 601 and limits the operation of the connector contact terminal 520.

The connector terminal base 601 is inserted into the inner surface of the unit housing accommodating part 112 and the body connector mounting part 119, and the connector contact terminal 520 and the connector terminal contact part disposed on the upper end of the connector terminal base 601. 603 is exposed to the upper end side, wherein the connector contact terminal 520 is disposed toward the inside of the unit substrate 200 and the connector terminal contact portion 603 is disposed toward the outside.

As such, the connector contact terminal 520 and the connector terminal unit 600 implemented in the Y shape may be implemented in a manner of elastically supporting the unit substrate 200. That is, the body substrate support portion 114 forms a stable support state of the unit substrate, but the connector contact terminal 520 forms a Y-shaped one end portion to form a predetermined initial height step to elastically support the unit substrate. It is also possible to form a more accurate contact state with the substrate contact terminal 510 formed on the back of the (200).

On the other hand, unlike the previous embodiment, the vehicle LED lamp unit 10 of the present invention may have a structure in which the contact terminal portion is excluded. The same components and substantially the same components as in the previous embodiment are given the same names and reference numbers, and duplicate descriptions are omitted. 29 to 35, the vehicle LED lamp unit 10 includes a unit housing 100, a unit board 200, a unit lamp 300, and a connector terminal unit 600. The terminal unit 600 may be disposed on the unit substrate 200, disposed on the same surface as the unit lamp 300, and the connector terminal unit 600 may be formed of solder.

That is, in the present embodiment, a separate contact terminal part may be excluded, and the connector terminal part 600 may be directly connected to the base terminal 20. The unit substrate 200 includes a lamp substrate 210 in which the unit lamp 300 is disposed, and an element substrate 220 connected to the lamp substrate 210 and configured to transfer an electric signal to the unit lamp 300. The lamp substrate 210 and the element substrate 220 are integrally formed and disposed on the same plane as each other. As shown in FIG. 31, the lamp substrate 210 and the device substrate 220 are integrally formed, and the device substrate 220 is disposed to face 180 degrees on the outer circumference of the circular lamp substrate 210. In an embodiment, the connector terminal 600 is disposed on the device substrate 220.

As described above, the end of the unit housing is provided with a body connector through hole 117, which forms a position where the element substrate 220 is disposed unlike the case in which the connector terminal portion in the previous embodiment protrudes.

The substrate support part 700 is provided below the unit substrate 200. The substrate support part 700 is disposed inside the unit housing 100 to elastically support the unit substrate 200. The substrate support part 700 has a Y-shape, which is similar in structure to the Y-shaped contact terminal part and the connector terminal part in the previous embodiment in terms of the functional support for elastically supporting the unit substrate 200.

The substrate support part 700 includes a substrate support base 730 and

substrate support contacts

710 and 720. The substrate support base 730 is inserted into the unit housing 100, and the

substrate support contacts

710 and 720 are connected to the substrate support base 730 and support the rear surface of the unit substrate 200.

As in the case described above, the unit housing accommodating part 112 is formed inside the unit housing 100, and the body substrate supporting part 114 is formed on the outer side of the unit housing accommodating part 112 to form the unit substrate 200. Form a stable support state. Although not shown in the present embodiment, in some cases, the unit heat dissipation unit that performs a heat dissipation function may be further provided in the unit housing accommodating part 112 as described above.

The unit housing 100 is provided with a body connector mounting portion 119, which accommodates and positions the substrate support base 730 and restricts the operation of the

substrate support contacts

710 and 720.

The substrate support base 730 is inserted into the inner surface of the unit housing accommodating part 112 and the body connector mounting part 119, and the substrate

support contact parts

710 and 720 disposed on the upper end of the substrate support base 730 are exposed to the upper end side. One of the

substrate support contacts

710 and 720 is disposed toward the inside of the unit substrate 200 and the other of the

substrate support contacts

710 and 720 is disposed toward the outside.

As described above, the

substrate support contacts

710 and 720 implemented in the Y shape may be implemented in a manner of elastically supporting the unit substrate 200. That is, the body substrate support part 114 forms a stable support state of the unit substrate, but the substrate

support contact parts

710 and 720 form Y-shaped ends to form a predetermined initial height step, thereby forming the unit substrate 200 as the base terminal. It is also possible to form a more accurate contact state between the connector terminal portion 600 and the base terminal 20 by the elastic support to the (20) side.

The substrate support base 730 and the

substrate support contacts

710 and 720 include bent strips.

That is, the substrate support base 730 and the substrate

support contact portions

710 and 720 may have structures arranged at both ends of the bent strip. In other words, one long strip type non-conductive metal band may be bent to form a Y-shaped non-conductive structure as shown in FIG. 30. One long strip type non-conductive metal band may be bent. Both ends of the elongated strip-like metal strip may form top ends of the

substrate support contacts

710 and 720, respectively.

On the other hand, in addition to the formation of the substrate support by bending the non-conductive strip may be made of a configuration through a punching process. That is, the substrate support base 730 and the

substrate support contacts

710 and 720 may be punched and bent into strips. As shown in FIG. 35, at least one of the substrate

support contact portions

710 and 720 may be formed by punching and bending in the opposite direction to other portions to form a Y-shaped structure. This makes it possible to manufacture components more concisely and quickly by eliminating complicated bending structures, thereby achieving process time or manufacturing cost reduction.

In addition, in some cases, the unit housing 100 may further include a component for reinforcing a connection state between the connector terminal 600 and the base terminal 20 implemented with solder.

That is, the main body 111 of the housing body 110 of the unit housing 100 to ensure a more smooth connection state in the insertion connection mounting process of the connector terminal portion 600 implemented by solder to the vehicle lamp base 2 side. The outer periphery of the) may be further provided with a holding increment 800 is formed along one circumference toward the vehicle lamp base (2) having a height that changes in the longitudinal direction of the vehicle LED lamp unit, the holding increment The 800 is disposed in the unit housing 100 and protrudes toward the rear surface of the vehicle lamp base. The unit housing 100 includes a housing body 110 including a circumferential protruding portion, and the holding increment 800 is an inclined formation structure having different heights in the circumferential direction.

That is, as shown in FIGS. 32 to 34, the solder in the process of mounting the vehicle LED lamp unit 10 to the vehicle lamp base 2 through the holding increment 800 of the inclined formation structure having a height difference. Holding Increment having an inclined step in the direction of mounting the vehicle LED lamp unit 10 to prevent the connector terminal portion 600 and the base terminal 20 is implemented to form a contact failure state due to the formation of the gap due to the deformation of the solder It is also possible to prevent or minimize the formation of clearance between the unit housing and the rear surface of the vehicle lamp base 2 by using the fastener 800 so as to form an accurate connection state of the connector terminal 600 and the base terminal 20.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

Claims

A vehicle LED lamp unit 10 mounted to a vehicle lamp base 2 having a base terminal 20 mounted on a vehicle and disposed on the rear thereof so as to be connected to the base terminal 20.

The vehicle LED lamp unit 10 is:

A unit housing 100 into which at least a portion of the base housing 20 is inserted and disposed;

A unit substrate 200 disposed in the unit housing 100 and in electrical communication with the base terminal 20;

A unit lamp 300 including an LED element disposed on one surface of the unit substrate 200;

LED lamp unit (10) characterized in that it comprises a unit heat dissipation unit (400) in contact with the unit substrate (200) for dissipating heat generated by the unit lamp (300).
The method of claim 1,

The unit substrate 200 is a flexible substrate (FPCB),

The unit substrate 200 is:

A lamp substrate 210 on which the unit lamp 300 is disposed;

A device substrate 220 connected to the lamp substrate 210 side and having an element for transmitting an electrical signal to the unit lamp 300,

LED lamp unit (10) characterized in that the lamp substrate 210 and at least a portion of the element substrate 220 is disposed on a plane intersecting each other.
The method of claim 2,

The unit heat dissipation unit 400 is:

A lamp radiator 410 in contact with the lamp substrate 210;

The LED lamp unit 10 for a vehicle, comprising: an element heat dissipation unit 420 connected to the lamp heat dissipation unit 410 and in contact with the element substrate 220 to release heat of the element substrate 220. .
The method of claim 3, wherein

A connector terminal 600 is provided between the base terminal 20 and the unit board 200 to make an electrical connection by contact and at least one end thereof is drawn out to the outside of the unit housing.

An LED lamp unit for a vehicle, further comprising a contact terminal unit 500 for transmitting an electrical signal between the unit board 200 and the connector terminal unit 600.
The method of claim 4, wherein

The contact terminal unit 500 is:

A substrate contact terminal 510 disposed on the unit substrate 200;

And a connector contact terminal (520) connected to the connector terminal portion (600) and connected to the board contact terminal (510).
The method of claim 5,

The connector contact terminal 520 is:

A connector contact terminal connecting portion 521 disposed in the unit housing 100 so as to face the substrate contact terminal 510;

One end is connected to the connector contact terminal connecting portion (521), the other end of the LED lamp unit for a vehicle comprising a connector contact terminal connecting portion (522) connected to the connector terminal portion (600).
The method of claim 6,

The connector contact terminal connecting portion 521 is disposed in pairs with the connector contact terminal connecting portion 522 interposed therebetween to form an elastic contact state between at least a portion of the unit heat dissipating portion 400 therebetween. LED lamp unit for vehicle (10).
The method of claim 7, wherein

The connector terminal unit 600 is connected to the side of the connector contact terminal connection unit 522, LED lamp unit for a vehicle, characterized in that.
The method of claim 3, wherein

The lamp radiator 410 and the element radiator 420 are orthogonal to each other,

The lamp heat dissipation unit 410 is a vehicle LED lamp unit (10), characterized in that it has at least one of a circular, disc, rectangular shape.
A vehicle LED lamp unit 10 mounted to a vehicle lamp base 2 having a base terminal 20 mounted on a vehicle and disposed on the rear thereof so as to be connected to the base terminal 20.

The LED lamp unit 10 for a vehicle includes: a unit housing 100 at least partially inserted into the base terminal 20 and disposed in the unit housing 100 and in electrical communication with the base terminal 20. A unit lamp 300 including a unit substrate 200, an LED element disposed on one surface of the unit substrate 200, and heat generated by the unit lamp 300 in contact with the unit substrate 200. Including a unit heat dissipation unit 400,

The unit substrate 200 is a flexible substrate (FPCB), and the unit substrate 200 is: a lamp substrate 210 on which the unit lamp 300 is disposed, connected to the lamp substrate 210 side, and the unit An element substrate 220 on which an element for transmitting an electrical signal to the lamp 300 is disposed, and at least a portion of the lamp substrate 210 and the element substrate 220 are disposed on a plane crossing each other,

The unit heat dissipation unit 400 may include: a lamp heat dissipation unit 410 in contact with the lamp substrate 210, a lamp heat dissipation unit 410 connected to the lamp heat dissipation unit 410, and contacting the element substrate 220. An element heat dissipation unit 420 for dissipating heat of

The LED lamp unit 10 for a vehicle, characterized in that the lamp radiator 410 and the element radiator 420 are in direct contact with each other.
The method of claim 10,

LED lamp unit for a vehicle, characterized in that the lamp radiator 410 and the element radiator 420 are connected to each other.
The method of claim 11,

LED lamp unit for a vehicle, characterized in that the lamp radiator 410 and the element radiator 420 are orthogonally connected.
The method of claim 12,

The lamp heat dissipation unit 410 includes a lamp heat dissipation mounting unit 413,

The device heat dissipation unit 420 includes an LED element heat dissipation mounting unit 423 engaged with the lamp heat dissipation mounting unit 413.
The method of claim 13,

The lamp heat dissipation mounting portion (413) and the element heat dissipation mounting portion (423) is a vehicle LED lamp unit (10), characterized in that the slide fit on the plane to which the lamp heat dissipation portion (410) belongs.
The method of claim 13,

The lamp heat dissipation mounting unit 413 and the element heat dissipation mounting unit 423 are fitted to the lamp heat dissipation unit 410 and the element heat dissipation unit 420 in the orthogonal connection direction, characterized in that the vehicle LED lamp unit 10 .
The method of claim 15,

The lamp substrate 210 and the device substrate 220 is connected between the connection substrate 230,

LED lamp unit (10) characterized in that the chamfered lamp heat radiation cutoff (411) is disposed on the end side of the lamp heat dissipation unit (410), the connection substrate 230 is disposed.
The method of claim 16,

A lamp substrate cutoff 211 formed inside the lamp substrate 210 and outside of a connection point of the lamp substrate 210 and the connection substrate 230,

An end side of the lamp heat dissipation cut-off 411 includes a lamp heat dissipation cut-off accommodating part 415 formed inwardly toward the lamp heat dissipation part 410 and forming an accommodation of the connection substrate 230. LED lamp unit for vehicle (10).
The method of claim 10,

The unit housing 100 is:

A housing body 110 mounted to the vehicle lamp base;

And a housing cover 120 engaged with the housing body 110 to form an inner space.

LED lamp unit (10), characterized in that the inside of the housing cover 120 has a cover substrate support rib 125 for stably supporting the unit substrate (200).