CN220792843U

CN220792843U - Novel condensing lens and LED light source module thereof

Info

Publication number: CN220792843U
Application number: CN202321483989.7U
Authority: CN
Inventors: 沈庆云; 张合栋
Original assignee: Dongguan Guangyu Photoelectric Technology Co ltd
Current assignee: Dongguan Guangyu Photoelectric Technology Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2024-04-16
Anticipated expiration: 2033-06-09

Abstract

The utility model discloses a novel condensing lens and an LED light source module thereof, comprising: and the light collecting lens combines the fly-eye lens and the light-emitting lens into a whole, the light-in surface of the light collecting lens is a smooth curved surface, and the light-emitting surface of the light collecting lens has a fly-eye microarray structure with a light mixing effect. The utility model combines the fly-eye lens and the light-emitting lens into a whole, improves the efficiency, reduces the cost and reduces the height of the light source module.

Description

Novel condensing lens and LED light source module thereof

Technical Field

The utility model relates to an LED light source module, in particular to a novel condensing lens and an LED light source module thereof.

Background

The LED light source module is lighting equipment integrating components such as an LED chip, an optical lens and the like. The LED light source module has the advantages of high efficiency, energy saving, long service life and the like, and is widely applied to the fields of indoor and outdoor illumination, automobile illumination, stage illumination and the like.

As shown in fig. 1, in the conventional LED light source module, the LED substrate 21, the semiconductor light emitting light source module 22, the first light source collimation module 23, the second light source collimation module 24 and the light source light mixing module 25 are all combined by adopting two independent fly eye lens elements with a bracket to form a light mixing module, and then the light is converged into the GOBO by being matched with an independent condenser lens. The light source module has a large number of optical elements in the light path, low light utilization rate and large height dimension of the module.

Disclosure of Invention

The utility model aims to solve the technical problems of providing a novel condensing lens and an LED light source module thereof, and the condensing lens is arranged to integrate a fly-eye lens and a light-emitting lens into a whole so as to solve the problems that in the existing LED light source module, two independent fly-eye lens elements are combined by a bracket to form a light mixing component, and then the independent condensing lens is matched to collect light into GOBO, so that the number of optical elements in a light path of the light source module is large, the light utilization rate is low, and the height dimension of the module is large.

The utility model discloses a condenser which is realized by the following technical scheme that: and the light collecting lens combines the fly-eye lens and the light emitting lens into a whole, the light incident surface of the light collecting lens is a smooth curved surface, and the light emitting surface of the light collecting lens has a fly-eye micro array structure with a light mixing effect.

The utility model relates to an LED light source module, which comprises a condensing lens and an LED substrate, wherein a semiconductor light-emitting light source assembly is arranged on the LED substrate in an array manner;

the light source collimation structure is arranged above the LED substrate and corresponds to the position of the semiconductor luminous light source component;

a light collecting lens, wherein the light incident surface of the light collecting lens corresponds to the position of the light source collimation structure;

the shell is buckled on the LED substrate, and the condensing lens is fastened and arranged in the shell.

As a preferred technical scheme, the light source collimation structure comprises a first light source collimation component and a second light source collimation component; the first light source collimation assembly comprises a fixing frame and a collimation lens fixed on the fixing frame, and the collimation lens corresponds to the position of the semiconductor luminous light source assembly; the second light source collimation component is arranged on the fixing frame, is an aspheric lens array and is used for collimating and transmitting light rays to the light mixing component.

As the preferable technical scheme, the inner side of the shell is provided with threads, the pressing ring with external threads is arranged, and the condensing lens is fastened on the shell through the pressing ring.

As an optimal technical scheme, a sealing rubber ring is arranged at the joint of the shell and the LED substrate.

The beneficial effects of the utility model are as follows: the utility model combines the fly-eye lens and the light-emitting lens into a whole, improves the efficiency, reduces the cost and reduces the height of the light source module.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a prior art optical system;

FIG. 2 is a schematic diagram of an optical system according to the present utility model;

FIG. 3 is a schematic view of the structure of the condensing lens of the present utility model;

FIG. 4 is a schematic diagram of an exploded construction of the present utility model;

fig. 5 is a schematic cross-sectional view of the present utility model.

Detailed Description

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

As shown in fig. 2 to 3, a novel condensing lens of the present utility model includes:

and the light collecting lens 2 combines the fly-eye lens and the light-emitting lens into a whole, the light-in surface of the light collecting lens 2 is a smooth curved surface, and the light-emitting surface of the light collecting lens 2 is provided with the fly-eye microarray structure 11 with the light mixing function, so that the light collecting lens has the light collecting and light mixing functions.

As shown in fig. 4 to 5, an LED light source module includes:

the LED substrate 1 is provided with a semiconductor luminous light source component 4 in an array manner;

the light source collimation structure is arranged above the LED substrate 1 and corresponds to the position of the semiconductor luminous light source component 4;

the light incidence surface of the light collecting lens 2 corresponds to the position of the light source collimation structure;

and the shell 3 is buckled on the LED substrate 1, and the condensing lens 2 is fastened and arranged in the shell 3.

In this embodiment, the light source collimation structure includes a first light source collimation component 5 and a second light source collimation component 6; the first light source collimation assembly 5 comprises a fixed frame 7 and a collimation lens 8 fixed on the fixed frame 7, and the collimation lens 8 corresponds to the position of the semiconductor luminous light source assembly 4; the second light source collimation component 6 is arranged on the fixing frame 7, is an aspheric lens array and is used for collimating and transmitting light rays to the light mixing component.

In this embodiment, the inner side of the housing 3 is provided with threads, and is provided with a pressing ring 9 with external threads, and the condenser lens 2 is fastened on the housing 3 through the pressing ring 9, so as to realize the fixed installation of the condenser lens.

In this embodiment, a sealing rubber ring 10 is disposed at the connection between the housing 1 and the LED substrate.

The semiconductor light-emitting source component 4 is an LED chip, and the number and arrangement mode of the LED chips can be adjusted according to the needs to adapt to different lighting requirements, and in the embodiment, the semiconductor light-emitting source component is arranged in a hexagonal array, and square arrangement, radial arrangement, polynomial arrangement, bezier curve arrangement and random arrangement can be adopted; and 2, the shapes of the single elements of the microarray are various, such as spherical surfaces, quadric surfaces, aspherical surfaces, free curved surfaces and the like; the surface type of the microarray structure is various, such as a smooth surface, a frosted surface, and a corrugated surface.

Wherein, the material of the collecting lens is an optical grade material so as to ensure the stability and reliability of the optical performance.

The LED substrate is used for supplying power to enable the semiconductor luminous light source assembly to emit light, and the first light source collimation assembly, the second light source collimation assembly and the condenser lens emit light, so that the fly-eye lens and the condenser lens are combined into a whole, the efficiency is improved, the cost is reduced, and the height of the light source module is reduced.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims

1. A novel condensing lens, characterized by comprising: the optical focusing device comprises a focusing lens (2), wherein the focusing lens (2) combines a fly-eye lens and an optical outlet lens into a whole, the light inlet surface of the focusing lens (2) is a smooth curved surface, and the light outlet surface of the focusing lens (2) is provided with a fly-eye microarray structure (11) with a light mixing effect.

2. An LED light source module comprising the condenser lens (2) of claim 1, characterized by comprising:

the LED light-emitting device comprises an LED substrate (1), wherein a semiconductor light-emitting source component (4) is arranged on the LED substrate (1) in an array manner;

the light source collimation structure is arranged above the LED substrate (1) and corresponds to the position of the semiconductor luminous light source component (4);

the light incidence surface of the light collecting lens (2) corresponds to the position of the light source collimation structure;

the shell (3), shell (3) lock is on LED base plate (1), and condensing lens (2) fastening sets up in shell (3).

3. The LED light source module of claim 2, wherein: the light source collimation structure comprises a first light source collimation assembly (5) and a second light source collimation assembly (6); the first light source collimation assembly (5) comprises a fixing frame (7) and a collimation lens (8) fixed on the fixing frame (7), and the collimation lens (8) corresponds to the position of the semiconductor luminous light source assembly (4); the second light source collimation assembly (6) is arranged on the fixing frame (7), and the second light source collimation assembly (6) is an aspheric lens array.

4. The LED light source module of claim 2, wherein: the inner side of the shell (3) is provided with threads, a pressing ring (9) with external threads is arranged, and the condensing lens (2) is fixedly arranged on the shell (3) through the pressing ring (9).

5. The LED light source module of claim 2, wherein: a sealing rubber ring (10) is arranged at the joint of the shell (3) and the LED substrate (1).