CN220817511U

CN220817511U - LED light source assembly for car lamp

Info

Publication number: CN220817511U
Application number: CN202322690131.4U
Authority: CN
Inventors: 徐岩修; 刘馨雨
Original assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Current assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority date: 2023-10-08
Filing date: 2023-10-08
Publication date: 2024-04-19
Anticipated expiration: 2033-10-08

Abstract

The utility model discloses an LED light source component for a car lamp, which comprises a PCB and a plurality of LEDs arranged on the PCB; the LED comprises a heat dissipation base and at least two light emitting chips with different colors and focus points; the heat dissipation base is fixedly connected to the circuit board through pins; the light emitting chips are arranged in parallel and fixedly connected to the end face of the heat dissipation base; on the PCB, the quantity of one side of each luminous chip relative to the geometric center of each LED is basically consistent with that of the other side. According to the utility model, the number of each light-emitting chip on the PCB is basically consistent with that of the other side of each LED geometric center, so that the maximum light intensity of each light type is at the right center, the phenomenon of deviation can not occur, the light type is good in positive and lighting uniformity and visual through, and the efficiency of the vehicle lamp in function multiplexing is improved.

Description

LED light source assembly for car lamp

Technical Field

The utility model relates to the technical field of car lamps, in particular to an LED light source assembly for car lamps.

Background

Along with the current car light structure is more and more compact, car light integration degree is higher and higher, the function, the colour of current car light are also more and more, generally, the daytime is with white light, turn to with yellow light, red light for braking, the light of different colours needs to use different light sources, a plurality of light sources share one light inlet end collimation structure such as spotlight ware or speculum, however because the focus of a light inlet end collimation structure is only one, because a plurality of light sources can't all be in focus department, this has led to the inefficiency of whole optical system, each functional light type is partial to influence the lighting effect of car light and problem such as heat, consumption, cost.

Therefore, it is necessary to design an LED light source assembly for a vehicle lamp to solve the above-mentioned problems.

Disclosure of utility model

The utility model aims at overcoming the defects of the prior art and provides an LED light source assembly for a car lamp.

The technical scheme of the utility model is as follows: an LED light source assembly for a car lamp comprises a PCB and a plurality of LEDs arranged on the PCB; the LED comprises a heat dissipation base and at least two light emitting chips with different colors and focus points; the heat dissipation base is fixedly connected to the circuit board through pins; the light emitting chips are arranged in parallel and fixedly connected to the end face of the heat dissipation base; on the PCB, the quantity of one side of each luminous chip relative to the geometric center of each LED is basically consistent with that of the other side.

The number of the light emitting chips is two, and the light emitting chips are respectively marked as A and B; the arrangement mode of the light emitting chips on the PCB is as follows: AB BA … ….

The number of the light emitting chips is two, and the light emitting chips are respectively marked as A and B; the arrangement mode of the light emitting chips on the PCB is as follows: AB BA BA AB … ….

The number of the light emitting chips is two, and the light emitting chips are respectively marked as A and B; the arrangement mode of the light emitting chips on the PCB is as follows: AB BA BA … ….

The chips of each light emitting chip can be rotated by an arbitrary angle along the central axis thereof in the light emitting direction.

The LED light source assembly for the car lamp further comprises a light guide structure arranged on the front side of the LED light source assembly; the light guide structure is provided with a light emitting end and a light entering end opposite to the LED light source assembly.

By adopting the technical scheme, the utility model has the following beneficial effects: (1) According to the utility model, the number of each light-emitting chip on the PCB is basically consistent with that of the other side of each LED geometric center, so that the maximum light intensity of each light type is at the right center, the phenomenon of deviation can not occur, the light type is good in positive and lighting uniformity and visual through, and the efficiency of the vehicle lamp in function multiplexing is improved.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic diagram of an arrangement structure of light emitting chips on a PCB in embodiment 2 of the present utility model.

Fig. 3 is a schematic diagram of an arrangement structure of a light emitting chip on a PCB in embodiment 3 of the present utility model.

Fig. 4 is a schematic diagram of an arrangement structure of light emitting chips on a PCB in embodiment 4 of the present utility model.

Fig. 5 is a schematic diagram of another arrangement of light emitting chips on a PCB in embodiment 4 of the present utility model.

Fig. 6 is an application view of the LED light source module system for a vehicle lamp according to the present utility model.

The reference numerals in the drawings are:

The LED light source comprises a PCB (printed circuit board) 1, an LED2, a light guide structure 3, a light emitting end 3-1 and a light entering end 3-2.

Detailed Description

Example 1

Referring to fig. 1 and 6, an LED light source assembly for a vehicle lamp according to the present embodiment includes a PCB board 1 and a plurality of LEDs 2 disposed on the PCB board 1; the LED comprises a heat dissipation base and at least two light emitting chips with different colors and focus points; the heat dissipation base is fixedly connected to the circuit board through pins; the light emitting chips are arranged in parallel and fixedly connected to the end face of the heat dissipation base; on the PCB 1, the number of each light emitting chip is basically consistent with that of the other side of each LED geometric center.

Further, the number of the light emitting chips is preferably two, and the light emitting chips are respectively marked as A and B; the quantity of A and B meets the quantity of the two sides |A-B| less than or equal to (A+B)/5; the arrangement mode of the light emitting chips on the PCB is as follows: AB BA … …. The LEDs 2 of the present embodiment are also arranged in a plurality of rows, and the number and the rotation angle are not limited, and the LEDs of the present embodiment may also be arranged in three chips or four chips.

Further, each light emitting chip can be rotated by an arbitrary angle along its central axis in the light emitting direction.

Further, the embodiment further comprises a light guide structure 3 arranged at the front side of the LED light source assembly; the light guide structure 3 is provided with a light emitting end 3-1 and a light entering end 3-2 opposite to the LED light source assembly. Furthermore, the light guiding structure 3 is preferably made of transparent material, and may be an aluminized reflector, a light guiding body, or the like.

Example 2

Referring to fig. 2, this embodiment is substantially the same as embodiment 1 except that: the arrangement mode of the light emitting chips on the PCB board in this embodiment is: AB BA BA AB … ….

Example 3

Referring to fig. 3, this embodiment is substantially the same as embodiment 1 except that: the arrangement mode of the light emitting chips on the PCB board in this embodiment is: AB BA BA … ….

Example 4

Referring to fig. 4 and 5, the present embodiment is based on embodiments 1 to 3, in which each LED2 can be rotated by an arbitrary angle along its central axis in the light emitting direction, to meet the installation requirements of different lamps.

According to the utility model, the number of each light-emitting chip on the PCB 1 is basically consistent with that of the other side of each LED geometric center, so that the maximum light intensity of each light type is at the right center, the phenomenon of deviation can not occur, the light type is good in positive and lighting uniformity and visual through, and the efficiency of the vehicle lamp in function multiplexing is improved.

While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.

Claims

1. An LED light source component for a car lamp, which is characterized in that: comprises a PCB (1) and a plurality of LEDs (2) arranged on the PCB (1); the LED (2) comprises a heat dissipation base and at least two light emitting chips with different colors and focus points; the heat dissipation base is fixedly connected to the circuit board through pins; the light emitting chips are arranged in parallel and fixedly connected to the end face of the heat dissipation base; on the PCB, the quantity of one side of each luminous chip relative to the geometric center of each LED is basically consistent with that of the other side.

2. The LED light source assembly for a vehicle lamp according to claim 1, wherein: the number of the light emitting chips is two, and the light emitting chips are respectively marked as A and B; the arrangement mode of the light emitting chips on the PCB is as follows: AB BA … ….

3. The LED light source assembly for a vehicle lamp according to claim 1, wherein: the number of the light emitting chips is two, and the light emitting chips are respectively marked as A and B; the arrangement mode of the light emitting chips on the PCB is as follows: AB BABAAB … ….

4. The LED light source assembly for a vehicle lamp according to claim 1, wherein: the number of the light emitting chips is two, and the light emitting chips are respectively marked as A and B; the arrangement mode of the light emitting chips on the PCB is as follows: AB BA BA … ….

5. An LED light source assembly for a vehicle lamp according to any one of claims 1 to 4, wherein: each LED (2) is rotatable by an arbitrary angle along its central axis in the light emitting direction.

6. The LED light source assembly for a vehicle lamp according to claim 1, wherein: the LED light source module also comprises a light guide structure (3) arranged at the front side of the LED light source module; the light guide structure (3) is provided with a light emitting end (3-1) and a light entering end (3-2) opposite to the LED light source assembly.