CN221402868U

CN221402868U - LED matrix light source

Info

Publication number: CN221402868U
Application number: CN202323486384.6U
Authority: CN
Inventors: 杨帆; 陈清国; 梁升锋; 黄其武; 禤汉金
Original assignee: Shenzhen Tongyifang Optoelectronic Technology Co ltd
Current assignee: Shenzhen Tongyifang Optoelectronic Technology Co ltd
Priority date: 2023-12-20
Filing date: 2023-12-20
Publication date: 2024-07-23
Anticipated expiration: 2033-12-20

Abstract

The utility model relates to the technical field of light sources, and discloses an LED matrix light source, which comprises a copper substrate and a condensing lens, wherein the bottom of the copper substrate is provided with a bottom surface, the bottom surface is provided with a light-emitting area, the light-emitting area is provided with a plurality of LED light sources, and the LED light sources are arranged in the light-emitting area in an array manner; the LED light sources form a plurality of paths of independent constant source input LED modules; the bottom surface is provided with a condensing lens, the light-emitting area is aligned with the condensing lens, and light rays emitted by the LED light sources are focused and emitted through the condensing lens. Therefore, the light emitted by the plurality of LED light sources arranged in an array manner can be focused and emitted through the condensing lens, and the LED light source has the characteristics of simple integral structure, high efficiency, high optical density and easiness in upgrading and maintenance.

Description

LED matrix light source

Technical Field

The utility model relates to the technical field of light sources, in particular to an LED matrix light source.

Background

With the development of technology, LED matrix light sources are increasingly used in various lighting fields, such as stage lighting, automobile lighting, billboard lighting, etc.

In the prior art, a conventional LED matrix light source generally adopts a ceramic substrate or a PCB substrate, and there is a limitation on the heat dissipation performance and the optical performance of these substrates. In addition, conventional LED matrix light sources typically employ a single constant current source input, making it difficult to precisely control the current of each LED chip, thereby affecting overall light output quality and stability.

Disclosure of utility model

The utility model aims to provide an LED matrix light source, which aims to solve the problem that the LED matrix light source is difficult to ensure the light output quality and stability in the prior art.

The LED matrix type light source comprises a copper substrate and a condensing lens, wherein the bottom of the copper substrate is provided with a bottom surface, the bottom surface is provided with a light-emitting area, the light-emitting area is provided with a plurality of LED light sources, and the LED light sources are arranged in the light-emitting area in an array manner; the LED light sources form a plurality of independent constant source input LED modules;

and a condensing lens is arranged on the bottom surface, the light-emitting area is aligned with the condensing lens, and light rays emitted by a plurality of LED light sources are focused and emitted through the condensing lens.

Optionally, the plurality of LED light sources form five paths of independent constant source input LED modules.

Optionally, the light emitting area is provided with sixty-one LED light sources.

Optionally, each path of the LED module includes twelve or thirteen LED light sources.

Optionally, a plurality of LED light sources in each path of the LED module are connected in series.

Optionally, the light emitting area is provided with a thermistor.

Optionally, a wiring terminal is arranged on the bottom surface of the copper substrate.

Optionally, two connection terminals are disposed on the bottom surface of the copper substrate, and the two connection terminals are located at the outer sides of the condenser lens respectively.

Optionally, a light-gathering channel is arranged in the light-gathering lens, the light-gathering channel penetrates through the top of the light-gathering lens to form a top opening, and a light-gathering piece is arranged in the bottom of the light-gathering channel; clamping blocks are respectively formed on two sides of the top of the condensing lens, the two clamping blocks are arranged at intervals, a clamping channel communicated with an opening at the top is formed, and the copper substrate is arranged in the clamping channel in a penetrating manner and is fixedly connected with the condensing lens; light rays emitted by the LED light sources of the light-emitting area enter the light-gathering channel and are focused and emitted through the light-gathering sheet.

Optionally, the two ends of the clamping channel are provided with end openings, the end of the copper substrate passes through the end openings to form an extension part extending to the outside of the condensing lens, and the two wiring terminals are respectively and correspondingly arranged on the two extension parts.

Compared with the prior art, the LED matrix light source provided by the utility model has the characteristics of realizing finer light control and adjustment by dividing a plurality of LED light sources which are arranged in an array manner into a plurality of independent constant source inputs, ensuring the overall light output power of the LED light source on a copper substrate, emitting high-intensity bright light, focusing and emitting through a condensing lens, along with high efficiency, high optical density, easiness in upgrading and maintenance and the like.

Drawings

FIG. 1 is a schematic perspective view of a copper substrate provided by the present utility model;

fig. 2 is a schematic perspective view of a condensing lens according to the present utility model;

fig. 3 is a schematic perspective view of an LED matrix light source according to the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The implementation of the present utility model will be described in detail below with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

Referring to fig. 1-3, a preferred embodiment of the present utility model is provided.

The utility model provides an LED matrix light source, which comprises a copper substrate 100 and a condensing lens 200, wherein the bottom of the copper substrate 100 is provided with a bottom surface, the bottom surface is provided with a light-emitting area, the light-emitting area is provided with a plurality of LED light sources 110, and the LED light sources 110 are arranged in the light-emitting area in an array manner; the plurality of LED light sources 110 form a plurality of independent constant source input LED modules;

The bottom surface is provided with a condensing lens 200, the light emitting area is aligned with the condensing lens 200, and the light rays emitted by the plurality of LED light sources 110 are focused and emitted through the condensing lens 200.

According to the LED matrix light source, the LED light sources 110 which are arranged in the array mode are divided into multiple paths of independent constant source inputs, finer light control and adjustment are achieved, the overall light output power of the LED light sources 110 on the copper substrate 100 is guaranteed, high-intensity bright light is emitted, and the high-intensity bright light is focused and emitted through the condensing lens 200, so that the LED matrix light source has the characteristics of being high in efficiency, high in optical density, easy to upgrade and maintain and the like.

Specifically, the plurality of LED light sources 110 form a five-way LED module with independent constant source input. In this way, the current is effectively distributed and regulated, and the problem that the current is too large or too small possibly occurring in the single-way input is avoided. Thus, the LED chip can be better protected, the service life of the LED chip can be prolonged, and the overall light output power can be improved.

Specifically, the light emitting region is provided with sixty-one LED light sources 110.

In a preferred embodiment, each LED module includes twelve or thirteen LED light sources 110. Thus, the illumination intensity is ensured.

The plurality of LED light sources 110 in each LED module are connected in series. Thus, the currents of the LED chips are equal, and the brightness of each LED chip can be better controlled

The light emitting area is provided with a thermistor. In this way, the circuit is effectively protected.

Specifically, the copper substrate 100 is provided with a connection terminal 120 on the bottom surface. Thus, the LED light source 110 is connected to a power source through the connection terminal 120.

Specifically, two connection terminals 120 are disposed on the bottom surface of the copper substrate 100, and the two connection terminals 120 are located outside the condenser lens 200.

A condensing channel is arranged in the condensing lens 200, the condensing channel penetrates through the top of the condensing lens 200 to form a top opening, and a condensing sheet 210 is arranged in the bottom of the condensing channel; clamping blocks 220 are respectively formed on two sides of the top of the condensing lens 200, the two clamping blocks 220 are arranged at intervals, a clamping channel communicated with the top opening is formed, and the copper substrate 100 is arranged in the clamping channel in a penetrating manner and fixedly connected with the condensing lens 200; light emitted by the plurality of LED light sources 110 of the light emitting area enters the light collecting channel and is focused and emitted through the light collecting sheet 210. Thus, the whole structure is simple and compact.

Specifically, the two ends of the clamping channel have end openings 201, and the end of the copper substrate 100 passes through the end openings 201 to form an extension portion extending to the outside of the condenser lens 200, and the two connection terminals 120 are respectively and correspondingly disposed on the two extension portions.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

The LED matrix type light source is characterized by comprising a copper substrate and a condensing lens, wherein the bottom of the copper substrate is provided with a bottom surface, the bottom surface is provided with a light-emitting area, the light-emitting area is provided with a plurality of LED light sources, and the LED light sources are arranged in the light-emitting area in an array manner; the LED light sources form a plurality of independent constant source input LED modules;

and a condensing lens is arranged on the bottom surface, the light-emitting area is aligned with the condensing lens, and light rays emitted by a plurality of LED light sources are focused and emitted through the condensing lens.
2. The LED matrix light source of claim 1, wherein a plurality of the LED light sources form five independent constant source input LED modules.
3. An LED matrix light source as claimed in claim 2, characterized in that the light emitting area is provided with sixty-one of the LED light sources.
4. A LED matrix light source as claimed in claim 3, wherein each of said LED modules comprises twelve or thirteen of said LED light sources.
5. The LED matrix light source of claim 4, wherein a plurality of LED light sources in each of the LED modules are connected in series.
6. The LED matrix light source of claim 1, wherein the light emitting area is provided with a thermistor.
7. The LED matrix light source of any one of claims 1 to 6, wherein a terminal is provided on a bottom face of the copper substrate.
8. The LED matrix light source of claim 7, wherein two connection terminals are disposed on the bottom surface of the copper substrate, and the two connection terminals are located outside the condenser lens respectively.
9. The LED matrix light source of claim 7, wherein a light gathering channel is provided in the light gathering lens, the light gathering channel penetrates through the top of the light gathering lens to form a top opening, and a light gathering piece is provided in the bottom of the light gathering channel; clamping blocks are respectively formed on two sides of the top of the condensing lens, the two clamping blocks are arranged at intervals, a clamping channel communicated with an opening at the top is formed, and the copper substrate is arranged in the clamping channel in a penetrating manner and is fixedly connected with the condensing lens; light rays emitted by the LED light sources of the light-emitting area enter the light-gathering channel and are focused and emitted through the light-gathering sheet.
10. The LED matrix light source of claim 9, wherein the clamping channel has end openings at both ends, and the copper substrate has an end passing through the end openings to form an extension portion extending to the outside of the condenser lens, and the two connection terminals are respectively disposed on the two extension portions.