CN220728033U

CN220728033U - Light path system for LED module light source

Info

Publication number: CN220728033U
Application number: CN202322456067.3U
Authority: CN
Inventors: 沈庆云
Original assignee: Dongguan Guangyu Photoelectric Technology Co ltd
Current assignee: Dongguan Guangyu Photoelectric Technology Co ltd
Priority date: 2023-09-08
Filing date: 2023-09-08
Publication date: 2024-04-05
Anticipated expiration: 2033-09-08

Abstract

The utility model discloses an optical path system for an LED module light source, which comprises an LED substrate, a collimation array lens group, a compound eye dodging component and a condenser lens; the LED substrate is provided with a luminous light source assembly, the collimation array lens group is arranged at the front end of the luminous light source assembly, the compound eye light homogenizing assembly is arranged at the front end of the collimation array lens group, and the light path of the collimation array lens group is subjected to light homogenizing treatment through the compound eye light homogenizing assembly; the condensing lens is arranged at the front end of the compound eye dodging component. Compared with the common plano-convex spherical lens and plano-convex aspherical lens combination, the utility model has better collimation and condensation effects, thereby improving the efficiency of the LED module light source.

Description

Light path system for LED module light source

Technical Field

The utility model relates to an LED module light source, in particular to an optical path system for the LED module light source.

Background

The LED integrated module light source is widely applied in the field of stage lighting, the requirements of stage lamps on the LED modules are improved, and the LED integrated module light source has higher efficiency on different lamp types of LED light source modules.

The existing LED light source module mainly adopts two lenses to collimate a single LED lamp bead, and then an array collimation light path is formed in a mode that a plurality of LED lamp beads are combined into an array lens:

a common collimation light path of two lenses to a single LED lamp bead is that one lens is a plano-convex spherical lens, the other lens is a plano-convex aspheric lens (figure 1), and the two lenses are respectively arranged to form an array lens to form a collimation array lens assembly; and then the light is converged into the GOBO through the compound eye dodging component and the condenser. The collimation array lens component of the light source module is insufficient in light-emitting collimation degree, more light rays with low collimation degree exist in a light path, and the light rays cannot be collected into the GOBO through an optical device at the rear end, so that efficiency loss is caused.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an optical path system for an LED module light source, which is used for solving the problems that the collimation degree of the emergent light of a collimation array lens assembly of the light source module is insufficient, more light rays with low collimation degree exist in an optical path, and the light rays cannot be collected into a GOBO through an optical device at the rear end, so that efficiency is lost.

The light path system for the LED module light source is realized by the following technical scheme: the compound eye light homogenizing device comprises an LED substrate, a collimation array lens group, a compound eye light homogenizing component and a condensing lens;

the LED substrate is provided with a luminous light source assembly, the collimation array lens group is arranged at the front end of the luminous light source assembly, the compound eye light homogenizing assembly is arranged at the front end of the collimation array lens group, and the compound eye light homogenizing assembly is used for homogenizing light of the light path of the collimation array lens group; the condensing lens is arranged at the front end of the compound eye dodging component.

As a preferable technical scheme, the collimating array lens group includes plano-convex aspheric lenses and biconvex aspheric lenses arranged in an array, and the biconvex aspheric lenses are arranged at intervals at the convex ends of the plano-convex aspheric lenses.

As the preferable technical scheme, the luminous light source component is formed by arranging a plurality of semiconductor luminous light source arrays, corresponds to the flat end position of the plano-convex aspheric lens and provides a light source for the light path system for the LED module light source.

As the preferable technical scheme, the fly-eye light homogenizing component consists of two fly-eye lens structures which are arranged in parallel.

As a preferable embodiment, a GOBO is provided between the light exit ends of the condenser lenses.

The beneficial effects of the utility model are as follows: compared with the common plano-convex spherical lens and plano-convex aspherical lens combination, the utility model has better collimation and condensation effects, thereby improving the efficiency of the LED module light source.

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 plano-convex aspherical lens of the prior art;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic view of a biconvex aspherical lens according to the present utility model;

FIG. 4 is a schematic diagram of a plano-convex aspherical lens array according to the present utility model;

fig. 5 is a schematic diagram of a biconvex aspherical lens array according to 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, the light path system for the LED module light source of the present utility model includes an LED substrate 1, a collimating array lens group 2, a compound eye dodging component 3 and a condenser lens 4;

the LED substrate 1 is provided with a luminous light source component 5, the collimation array lens group 2 is arranged at the front end of the luminous light source component 5, the compound eye dodging component 3 is arranged at the front end of the collimation array lens group 2, and the light path of the collimation array lens group 2 is dodged through the compound eye dodging component 3; the condenser 4 is arranged at the front end of the compound eye dodging component 3.

As shown in fig. 3 to 5, the collimator array lens group 2 includes plano-convex aspherical lenses 6 arranged in an array and biconvex aspherical lenses 7, the biconvex aspherical lenses 7 being arranged at intervals at the convex ends of the plano-convex aspherical lenses 6; the light incident surface of the plano-convex aspheric lens 6 is a smooth plane, the light emergent surface is a smooth aspheric surface, the light incident surface of the biconvex aspheric lens is a smooth aspheric surface, and the light emergent surface is a smooth aspheric surface; arranging two aspheric lenses respectively to form an array lens, and combining the array lens into a collimation array lens component; and then the compound eye light homogenizing component and the condensing lens are used for converging light into the GOBO, so that the light has better collimation and condensation effects than the common plano-convex spherical lens and plano-convex aspherical lens combination, and the efficiency of the LED module light source is improved.

The array mode in this embodiment is to arrange two aspheric lenses respectively according to a hexagon to form an array lens, and combine the array lenses into a collimating array lens group, so as to realize the simultaneous collimation output of a plurality of semiconductor luminous sources 8;

there are various arrangements of the array lens structure: in addition to the hexagonal arrangement used in this patent, there are square arrangements, radial arrangements, polynomial arrangements, bezier curve arrangements, random arrangements, etc.;

there are a variety of individual element shapes for the array lens: besides the aspheric surfaces used in the patent, quadric surfaces, deformed polynomial aspheric surfaces, free-form surfaces and the like are also included.

In this embodiment, the light-emitting source assembly 5 is formed by arranging a plurality of semiconductor light-emitting sources 8 in an array, and corresponds to the flat end position of the plano-convex aspheric lens 6, and provides a light source for the light path system for the LED module light source through the light-emitting source assembly 5.

The compound eye dodging component 3 is composed of two compound eye lens structures 9, and the two compound eye lens structures 9 are arranged in parallel.

In addition, GOB010 is provided at the light exit end of the condenser lens 4, and GOB010 is illuminated by the condenser lens 4, so that it is preferable.

The principle of the light path is as follows:

arranging two aspheric lenses respectively to form an array lens, and combining the array lens into a collimation array lens component; light emitted by the semiconductor luminous light source passes through the collimation array lens assembly, and then the compound eye dodging assembly and the condenser lens are used for converging light into GOB0, so that the light has better collimation and condensation effects than a common plano-convex spherical lens and plano-convex aspherical lens combination, and the efficiency of the LED module light source is improved.

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. The utility model provides a light path system for LED module light source which characterized in that: the compound eye light homogenizing device comprises an LED substrate (1), a collimation array lens group (2), a compound eye light homogenizing component (3) and a condensing lens (4);

the LED substrate (1) is provided with a luminous light source component (5), the collimating array lens group (2) is arranged at the front end of the luminous light source component (5), the compound eye light homogenizing component (3) is positioned at the front end of the collimating array lens group (2), and the light path of the collimating array lens group (2) is subjected to light homogenizing treatment through the compound eye light homogenizing component (3); the condensing lens (4) is arranged at the front end of the compound eye dodging component (3).

2. The light path system for an LED module light source according to claim 1, wherein: the collimating array lens group (2) comprises plano-convex aspheric lenses (6) and biconvex aspheric lenses (7) which are arranged in an array mode, and the biconvex aspheric lenses (7) are arranged at the convex ends of the plano-convex aspheric lenses (6) at intervals.

3. The light path system for an LED module light source according to claim 1, wherein: the luminous light source assembly (5) is formed by arranging a plurality of semiconductor luminous light sources (8) in an array mode, corresponds to the flat end position of the plano-convex aspheric lens (6), and provides a light source for the light path system for the LED module light source through the luminous light source assembly (5).

4. The light path system for an LED module light source according to claim 1, wherein: the compound eye light homogenizing component (3) consists of two compound eye lens structures (9), and the two compound eye lens structures (9) are arranged in parallel.

5. The light path system for an LED module light source according to claim 1, wherein: and GOBO (10) is arranged at the light-emitting end of the condenser (4).