CN215489559U

CN215489559U - Light source module and light source device

Info

Publication number: CN215489559U
Application number: CN202122090184.3U
Authority: CN
Inventors: 不公告发明人
Original assignee: Guangzhou Guanglian Electronic Technology Co ltd
Current assignee: Guangzhou Guanglian Electronic Technology Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-01-11
Anticipated expiration: 2031-08-31

Abstract

The utility model relates to a light source module and a light source device, which comprise a substrate and light emitting units arranged on the substrate, wherein each light emitting unit comprises m first light emitting units and n second light emitting units, and the m first light emitting units comprise m different inclination angles; the difference d of the inclination angles of the first light-emitting units satisfies that d is 360 DEG/m; wherein m is more than or equal to 2, and n is in the range of 0, m-2. According to the utility model, the first light-emitting unit and the second light-emitting unit are arranged on the substrate, the first light-emitting units comprise different inclination angles, and the difference d of the inclination angles of the first light-emitting units satisfies that d is 360 DEG/m, so that the light intensity distribution of the light-emitting units on the focal plane is changed, the light intensity distribution is closer to a circle, and higher uniformity is achieved.

Description

Light source module and light source device

Technical Field

The present invention relates to the field of optical technologies, and in particular, to a light source module and a light source device.

Background

In the existing light-emitting lighting system, most of the used light-emitting units are patch LED chips, wherein the light-emitting surfaces of most of the LED chips are rectangular, the directions of all the LED light-emitting units are consistent, and images of the shapes corresponding to the light-emitting units are formed on a focal plane after light receiving and focusing, namely, on the focal plane, the light intensity distribution is rectangular, and if the LED light-emitting units packaged by four-in-one of the rectangular chips are used, the light intensity distribution shows four rectangles.

When the light source system is actually applied, a circle center diaphragm is arranged on a focal plane, and then a group of lenses are arranged behind the circular diaphragm to image the focal plane and the circular diaphragm onto a required plane for illumination. However, since the light intensity distribution on the focal plane is non-circular, high uniformity cannot be achieved in a circular aperture, and even if a dodging system is added, the approximate light intensity distribution tends to be rectangular.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to overcome at least one of the above-mentioned drawbacks of the prior art, and provides a light source module and a light source device, which are used to solve the problem of uneven light intensity distribution in the practical application of the conventional light source system.

The technical scheme adopted by the utility model is as follows:

a light source module comprises a substrate and light emitting units arranged on the substrate, wherein each light emitting unit comprises m first light emitting units and n second light emitting units, and the m first light emitting units comprise m different inclination angles; the difference d of the inclination angles of the first light-emitting units satisfies that d is 360 DEG/m; wherein m is more than or equal to 2, and n is in the range of 0, m-2.

In one embodiment, the light emitting units are distributed on the substrate in an array manner; or, the light-emitting units are distributed on the substrate in a ring shape; or, the light-emitting units are distributed on the substrate in a polygonal shape.

In one embodiment, the light emitting units are arranged in an array on the substrate, and the position relationship between each light emitting unit and two adjacent light emitting units in the front row or the back row of the array is in an equilateral triangle relationship.

In one embodiment, the distance between the central points of every two adjacent light-emitting units is 8mm-20 mm.

In one embodiment, the light emitting unit is a single chip, a plurality of chips or a lamp bead, and the chip is a bare chip or a packaged chip.

In one embodiment, the number of chips or the number of lamp beads of the first light-emitting unit and the second light-emitting unit are the same.

In one embodiment, the first light emitting unit is a four-in-one chip or a seven-in-one chip, and/or the second light emitting unit is a four-in-one chip or a seven-in-one chip.

In one embodiment, the four-in-one chip comprises a white chip W, a green chip G, a red chip R and a blue chip B; and/or the second light-emitting unit is a white chip W.

In one embodiment, each chip of the first light-emitting unit is independently connected with a control system.

This technical scheme still provides a light source device, include as above-mentioned arbitrary light source module, and locate in proper order be used for on the light-emitting direction of light source module with the light of light source module outgoing receives the optical subassembly of light, and be used for with the light of light source module outgoing carries out the subassembly that converges of focusing.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the first light-emitting unit and the second light-emitting unit are arranged on the substrate, the first light-emitting units comprise different inclination angles, and the difference d of the inclination angles of the first light-emitting units satisfies that d is 360 DEG/m, so that the light intensity distribution of the light-emitting units on the focal plane is changed, the light intensity distribution is closer to a circle, and higher uniformity is achieved.

Drawings

Fig. 1 is a schematic structural diagram of a light source module according to the present invention.

Fig. 2 is a first schematic structural diagram of an arrangement of light emitting units according to the present invention.

Fig. 3 is a second schematic structural diagram of an arrangement of light emitting units according to the present invention.

Fig. 4 is a third schematic structural diagram of an arrangement of light emitting units according to the present invention.

Fig. 5 is a fourth schematic view of an arrangement structure of the light emitting units according to the present invention.

Fig. 6 is an exploded view of the light source device of the present invention.

Fig. 7 is an exploded sectional view of the light source device of the present invention.

Fig. 8 is an assembled sectional view of the light source device of the present invention.

10. A substrate; 20. a light emitting unit; 30. a light receiving assembly; 31. a first collimating lens; 32. a second collimating lens; 40. and a convergence component.

Detailed Description

The drawings are only for purposes of illustration and are not to be construed as limiting the utility model. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

As shown in fig. 1, a light source module includes a substrate 10 and a light emitting unit 20 disposed on the substrate 10, where the light emitting unit 20 includes m first light emitting units and n second light emitting units, and the m first light emitting units include m different tilt angles; the difference d of the inclination angles of the first light-emitting units satisfies that d is 360 DEG/m; wherein m is more than or equal to 2, and n is in the range of 0, m-2. Wherein, the n second light emitting units can be set to have no inclination angle or an inclination angle. The second light emitting unit in this embodiment is provided without a tilt angle.

This embodiment is through setting up first light-emitting unit and second light-emitting unit on with base plate 10, and first light-emitting unit includes different inclination, and the difference d of the inclination of each first light-emitting unit satisfies d and 360 °/m to change the light intensity distribution of light-emitting unit 20 on the focal plane, make light intensity distribution more be close circular, thereby reach higher homogeneity, the quantity m of first light-emitting unit is more, then the light intensity distribution on the focal plane tends to circular more, the homogeneity is better.

The light emitting units 20 may be disposed in an array on the substrate 10; alternatively, the light emitting units 20 are distributed on the substrate 10 in a ring shape; alternatively, the light emitting units 20 are distributed in a polygonal shape on the substrate 10. The array distribution includes the special case of linear distribution, and simultaneously, the array distribution can satisfy the requirement of circular distribution or polygonal distribution.

Further, the light emitting units 20 are arranged in an array on the substrate 10, and the position relationship between each light emitting unit 20 and two adjacent light emitting units 20 in the front row or the back row of the array is in an equilateral triangle relationship. That is, every three light emitting units 20 adjacent to each other are arranged in an equilateral triangle. The equilateral triangle arrangement mode can make two arbitrary adjacent luminescence units 20 equal in distance, can reduce luminescence unit 20's overall size for total luminous area is little, and the cost of manufacture is low, moreover, is favorable to reducing the optical expansion volume, when doing the secondary optics design, is favorable to reducing the size of relevant optical device, reduces the degree of difficulty of secondary optics design.

The distance between the central points of the adjacent light emitting units 20 is 8mm to 20 mm.

In this embodiment, the two light emitting units 20 are arranged in an array with equal distance, and the following cases are mentioned for the auxiliary explanation, but the practical application includes but is not limited to the following embodiments:

first, as shown in fig. 2, m is 36, n is 0, and d is 10 °; that is, there is no second light emitting unit, there are 36 first light emitting units, and the 36 light emitting units include 36 different tilt angles, and the difference of the tilt angles of the first light emitting units is 10 °.

Second, as shown in fig. 3, m is 37, n is 1, and d is 10 °; the number of the second light-emitting units is 1, and the second light-emitting units have no inclination angle; the number of the first light emitting units is 36, and the 36 first light emitting units comprise 36 different inclination angles, and the difference of the inclination angles of the first light emitting units is 10 °.

Third, as shown in fig. 4, m is 18, n is 0, and d is 20 °; that is, the number of the second light emitting units has 18 first light emitting units, and the 18 first light emitting units include 18 different inclination angles, and the difference of the inclination angles of the first light emitting units is 20 °.

Fourthly, as shown in fig. 5, m is 75, n is 3, and d is 5 °; namely, the number of the second light-emitting units is 3, and the second light-emitting units have no inclination angle; the number of the first light emitting units is 72, and the 72 first light emitting units comprise 72 different inclination angles, and the difference of the inclination angles of the first light emitting units is 5 °.

In this embodiment, the light emitting unit 20 is a single chip, a plurality of chips or a lamp bead, and the chip is a bare chip or a packaged chip.

In the embodiment, the number of the chips or the number of the lamp beads of the first light-emitting unit is the same as that of the second light-emitting unit.

In this embodiment, the light emitting unit 20 is a single chip, and in this embodiment, the first light emitting unit may also be an all-in-one chip, for example, the first light emitting unit is a four-in-one chip or a seven-in-one chip, and/or the second light emitting unit is a four-in-one chip or a seven-in-one chip. That is, when the first light-emitting unit is a four-in-one chip, the second light-emitting unit is a four-in-one chip, and when the first light-emitting unit is a seven-in-one chip, the second light-emitting unit is a seven-in-one chip. Furthermore, the four-in-one chip comprises a white light chip W, a green light chip G, a red light chip R and a blue light chip B; and/or the second light-emitting unit is a white chip W. Specifically, taking the example that the first light emitting unit and the second light emitting unit are all four-in-one chips, the first light emitting unit is a four-in-one chip including the white light chip W, the green light chip G, the red light chip R, and the blue light chip B, and the four chips in the second light emitting unit are all the white light chips W. When arranged, the second light emitting unit may be disposed at an intermediate position where the light emitting units 20 are arranged, and the first light emitting unit may be disposed to surround the second light emitting unit. When the light emitting unit 20 is an all-in-one chip, each chip of the first light emitting unit is independently connected with the control system, so that the on and off of each chip are not affected, various light effects can be realized, and diversified requirements can be met.

As shown in fig. 6 to 8, the present embodiment further provides a light source device, which includes the light source module as described in any one of the above, a light receiving component 30 sequentially disposed in the light emitting direction of the light source module for receiving the light emitted from the light source module, and a converging component 40 for focusing the light emitted from the light source module, wherein the light is focused by the converging component 40 to form a focused light spot. More specifically, the convergence assembly 40 includes a convergence lens and a lens ring for fixing the convergence lens.

The light collecting assembly 30 of the present embodiment includes a first collimating lens 31 and a second collimating lens 32 for collecting and collimating the light emitted from the light source module. The embodiment is provided with a first collimating lens 31 and a second collimating lens 32, and the light rays are converged and collimated by the first collimating lens 31 and the second collimating lens 32 to obtain parallel or nearly parallel light rays.

The present embodiment further provides a light source device, including the light source module described in any one of the above embodiments, and a light uniformizing assembly (not shown) disposed in the light emitting direction of the light source module and configured to uniformize the light emitted from the light source module. Wherein, the dodging component is a fly eye lens.

The light source device of the present invention changes the light intensity distribution of the light emitting units 20 on the focal plane, so that the light intensity distribution is closer to a circle, thereby achieving higher uniformity, and when the number m of the first light emitting units is larger, the light intensity distribution on the focal plane tends to a circle, and the uniformity is better.

It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention claims should be included in the protection scope of the present invention claims.

Claims

1. A light source module is characterized by comprising a substrate and light emitting units arranged on the substrate, wherein each light emitting unit comprises m first light emitting units and n second light emitting units, and the m first light emitting units comprise m different inclination angles; the difference d of the inclination angles of the first light-emitting units satisfies that d is 360 DEG/m; wherein m is more than or equal to 2, and n is in the range of 0, m-2.

2. The light source module as claimed in claim 1, wherein the light emitting units are distributed on the substrate in an array; or, the light-emitting units are distributed on the substrate in a ring shape; or, the light-emitting units are distributed on the substrate in a polygonal shape.

3. The light source module of claim 1, wherein the light emitting units are arranged in an array on the substrate, and each light emitting unit is located in an equilateral triangle with respect to two adjacent light emitting units in the front row or the back row of the array.

4. The light source module of claim 3, wherein the distance between the central points of two adjacent light emitting units is 8mm-20 mm.

5. The light source module according to claim 1, wherein the light emitting unit is a single chip, a plurality of chips or a lamp bead, and the chip is a bare chip or a packaged chip.

6. The light source module according to claim 5, wherein the first light emitting unit and the second light emitting unit have the same number of chips or beads.

7. The light source module according to any one of claims 1 to 6, wherein the first light emitting unit is a four-in-one chip or a seven-in-one chip, and/or the second light emitting unit is a four-in-one chip or a seven-in-one chip.

8. The light source module of claim 7, wherein the four-in-one chip includes a white chip W, a green chip G, a red chip R and a blue chip B; and/or the second light-emitting unit is a white chip W.

9. The light source module according to claim 6, wherein each chip of the first light emitting unit is independently connected to a control system.

10. A light source device, comprising the light source module set according to any one of claims 1 to 9, a light receiving component disposed in the light emitting direction of the light source module set in sequence for receiving the light emitted from the light source module set, and a converging component for focusing the light emitted from the light source module set.