CN201368352Y - Light-emitting module structure for LED illumination - Google Patents

Abstract

A light emitting module structure for LED illumination, comprising: the light source comprises a light emitting piece, a light guide piece and a light transmitting piece, wherein the light emitting piece is provided with a light emitting source on the end face of a base, a light emitting chip is packaged in the light emitting source, the light guide piece is combined at the upper end face of the light emitting source, a reflecting groove is arranged at the chip packaging position matched with the light emitting source, the inner wall of the reflecting groove is a reflecting surface gradually expanding from the bottom end to the top, the light transmitting piece is arranged at the upper end of the light guide piece by using the lower end face of an inwards concave curved surface shape, and a refracting surface is convexly arranged on the upper end face of the light transmitting piece in an arc shape.

Description

Light-emitting module structure for LED lighting

technical field

The utility model relates to an LED structure for lighting, in particular to an LED lighting light-emitting module structure, in which a plurality of light-emitting sources are packaged on a single base, and a single light-transmitting member is used to form a horizontal rectangular diffusion of light. In this way, the overlap of light is eliminated, that is, glare will not be generated and the lighting effect will be affected, so as to increase its comfort.

Background technique

By the way, under the continuous improvement of the upstream chip technology in the solid-state lighting LED industry, the luminous efficiency of LEDs has gradually met the needs of human beings in lighting, and LEDs are point light sources with high directional distribution of light sources, except for some flood lighting applications. Except for the need to define the distribution of light sources, most lamps have clear specifications requiring the performance of optical output. As shown in Figure 6, in the known LED modules for lighting, the plurality of light-emitting elements (41) all use single crystal package, and fix a lens (42) at the outer end of each luminous element (41), and then assemble the luminous element (41) on the reflective surface (44) of the lamp (43) through an array and an inclined assembly angle. ), so as to achieve the brightness required for lighting.

It is not difficult to find that there are still some deficiencies in the above-mentioned known structure in detail, and the main reasons are summarized as follows:

(1), a plurality of light-emitting elements (41) are all packaged in a single-crystal manner, and a lens (42) is fixed on the outer end of each light-emitting element (41), and the light emitted by the light-emitting element (41) is obtained by Diffusion is formed at the lens (42), and interlaced overlapping of projected light is produced, that is, the illuminating light system will produce a glare effect, which makes users feel uncomfortable and dazzling.

(2) The light-emitting element (41) is packaged in a single crystal form, and assembled on the reflective surface (44) in an array and at an inclined assembly angle, which increases the assembly process and light distribution of the light-emitting element (41) Adjust the process to increase its production cost.

(3), the light is diffused and projected through the lens (42) and the reflective surface (44), and the light from multiple light sources (12) will produce a large number of interlaced and overlapping, which will reduce the utilization rate of the light and increase the extra power waste.

To sum up, in the known LED modules for lighting, the plurality of light-emitting parts are all packaged in a single crystal method, and a lens is fixed on the outer end of each light-emitting part, and then the light is emitted through the array and the inclined assembly angle. The component is assembled on the reflective surface of the lamp, and the light emitted by the luminous component is diffused by the lens, resulting in staggered overlapping of projected light, that is, the illuminating light system will produce a glare effect, which makes users feel uncomfortable and dazzling.

Detailed ways

The purpose of the utility model is a light-emitting module structure for LED lighting, so as to overcome the defects in the known technology.

In order to achieve the above object, the light-emitting module structure for LED lighting provided by the utility model includes: a combination of a light-emitting part, a light-guiding part and a light-transmitting part, and a light-emitting part is composed of a base and a light-emitting source. Composition, the base is a plate body with heat conduction function, and a light source is provided on the end surface of the base, and a plurality of light-emitting chips are packaged in the light source, that is, a polycrystalline light source is formed. The outer edge can be locked with a fixed frame, and the fixed frame has heat conduction characteristics. A light guide is combined with the upper end surface of the light source, and a reflective groove is provided on the chip package position of the light source. The inner wall of the reflective groove is made of The bottom end is a gradually expanding reflective surface, and the reflective surface is coated with a reflective material. A light-transmitting member is arranged on the upper end of the light guide member with a concave curved lower end surface, and can cooperate with the light-emitting member and The light guide part forms a strip-shaped lens, and the upper end surface of the light-transmitting part is arc-shaped and protrudes with a refracting surface. Among them, the lower end of the light-transmitting part can be directly locked on the base, or can be locked by clamping a fixing frame. on the base.

The base of the light-emitting part is a plate made of alumina, aluminum nitride or silicon carbide, and the high heat dissipation of the material enables the heat generated by the light source to be dissipated quickly through conduction. The light source is It is made of semiconductor materials, and current is passed through the two ends of the light source. Through the combination of electrons and holes, the energy can be excited and released in the form of light to achieve the effect of light emission. The light emitted by the light source passes through the When the reflective groove of the light guide is used, part of the light is projected on the reflective surface to produce an effect of reflection on the upper end, so that the light from the light source is concentrated on the area of the reflective groove, and then the light is transmitted from the lower end surface into the light-transmitting member, and then passed through The curved surface design of the refraction surface makes the light diffuse in a horizontal rectangle according to the appropriate refraction path, so as to achieve the lighting effect of the light source.

Compared with known technology, the utility model has the following effects:

(1) The light emitted by the light-emitting source packaged in a single base is concentrated and projected on the light-transmitting part through the reflection of the light-guiding part, and the curved surface of the single light-transmitting part is used to generate refraction, so that the light forms a horizontal rectangle Diffusion, so as to eliminate the overlap of light, that is, it will not produce glare and affect the lighting effect, so as to increase its comfort.

(2) A plurality of light-emitting sources are packaged on a single base, and a single light-transmitting member is used to form a horizontal rectangular diffusion of light, thereby reducing the assembly process of a plurality of light-emitting sources and the adjustment process of light distribution, so as to The simple packaging method achieves the effect of reducing the production cost.

(3) By using a single light-transmitting member to diffuse the light from multiple light sources in a rectangular shape, the overlap of the light can be eliminated, the utilization rate of the light can be improved, and the power consumption can be reduced.

Description of drawings

Fig. 1 is a perspective view of the utility model.

Fig. 2 is a three-dimensional exploded view of the utility model.

Fig. 3 is a schematic diagram of the usage state of the utility model.

Fig. 4 is a schematic diagram of the locking method of the light-transmitting member of the present invention.

Fig. 5 is a perspective view of another usage state of the utility model.

Fig. 6 is a schematic diagram of a known LED module for lighting.

Explanation of main component symbols in the drawings

Light-emitting part (10); base (11); light-emitting source (12); light-emitting chip (13); fixing frame (14); The light part (30); the lower end surface (31); the refraction surface (32); the luminous part (41); the lens (42); the lamp (43);

Detailed ways

In order to have a further understanding and understanding of the purpose, features and effects of the present utility model, the following details are described in conjunction with the accompanying drawings.

Please refer to Figure 1 and Figure 2, a light-emitting module structure for LED lighting, which includes: a combination of a light-emitting element (10), a light-guiding element (20) and a light-transmitting element (30), A light-emitting element (10) is composed of a base (11) and a light-emitting source (12). A light source (12), and a plurality of light-emitting chips (13) are packaged in the light-emitting source (12), that is, a polycrystalline light-emitting source (12), and the outer edge of the base (11) can be locked with a fixing frame ( 14), and the fixing frame (14) has heat conduction characteristics, a light guide (20) is combined with the upper end surface of the light emitting source (12), and a reflective groove ( 21), the inner wall of the reflection groove (21) is a reflection surface (22) that gradually expands upwards from the bottom end, and the reflection surface (22) is coated with a material with a reflection effect, and a light-transmitting member (30) is The lower end surface (31) with a concave curved surface is arranged on the upper end of the light guide (20), and can cooperate with the light emitting member (10) and the light guide (20) to form a strip-shaped lens, and the light-transmitting member ( 31) has a refraction surface (32) protruding from the arc shape of the upper end surface, wherein, the lower end of the light-transmitting member (30) can be clamped with a fixing frame (14) and locked on the base (11), and can also be directly locked on the base On the seat (11) (as shown in Figure 4).

For its actual usage, please refer to Figs. 1, 2, and 3, the base (11) of its luminous element (10) is a board made of aluminum oxide, aluminum nitride or silicon carbide, and is made of The high heat dissipation of the material enables the heat generated by the light source (12) to be dissipated quickly through conduction. The light source (12) is made of semiconductor material, and current is passed through the two ends of the light source (12) Through the combination of electrons and holes, the energy can be excited and released in the form of light to achieve the effect of light emission. When the light emitted by the light source (12) passes through the reflection groove (21) of the light guide (20), part of the Part of the light is projected on the reflective surface (22) to produce an effect of upward reflection, so that the light from the light source (12) is concentrated in the area of the reflective groove (21), and the light is transmitted from the lower end surface (31) into the light-transmitting member (30), and by the design of the curved surface of the refraction surface (32), the light can be diffused in a transverse rectangle according to an appropriate refraction path, so as to achieve the lighting effect of the light source (12).

Please refer back to Fig. 5, which is an extension of the use state of the present utility model. The end surface of the base (11) is provided with a light source (12), and a plurality of light-emitting chips ( 13), that is to form a polycrystalline light-emitting source (12), and the light-transmitting member (30) cooperates with the light-emitting member (10) and the light-guiding member (20) to form a strip-shaped lens, so that the light-emitting member (10) The light-emitting source (12) can be arrayed on the base (11) in the axial direction, and the light-emitting element (10) composed of the light-emitting source (12) and the base (11) can be axially arranged by a plurality of light-emitting elements (10). Arranged in an array, and combined with a single light guide (20) and a single light-transmitting member (30), through the light-collecting effect of the light-guiding member (20) and the refraction angle of the light-transmitting member (30), the its lighting properties.

By the structure of above-mentioned specific embodiment, can obtain following benefit:

(1) The light emitted by the light source (12) packaged in a single base (11) is concentrated and projected on the light-transmitting member (30) through the reflection of the light-guiding member (20), and the single light-transmitting member is used to (30) The curved surface produces refraction, which makes the light form a horizontal rectangular diffusion, so as to eliminate the overlap of light, that is, it will not produce glare and affect the lighting effect, so as to increase its comfort;

(2) A plurality of light emitting sources (12) are packaged on a single base (11), and a single light-transmitting member (30) is used to form a horizontal rectangular diffusion of light, thereby reducing the distribution of a plurality of light emitting sources (12). The adjustment process of packaging process and light distribution can achieve the effect of reducing production cost with simple packaging method;

(3) A single light-transmitting member (30) diffuses light from multiple light sources (12) in a rectangular shape, thereby eliminating overlap of light, increasing light utilization, and reducing power consumption.

The above is only a preferred embodiment of the utility model, and should not limit the scope of the utility model implementation; that is, all equal changes and modifications made according to the utility model should still belong to the utility model application within the scope of the claims.

Claims (8)

1. A light-emitting module structure for LED lighting, characterized in that it includes: a combination of a light-emitting part, a light-guiding part and a light-transmitting part; A light-emitting element is composed of a base and a light-emitting source. A light-emitting source is provided on the end surface of the base, and a plurality of light-emitting chips are packaged in the light-emitting source, which forms a polycrystalline light-emitting source; A light guide is combined with the upper end surface of the light source, and a reflective groove is provided on the chip package position of the light source, and the inner wall of the reflective groove is a reflective surface gradually expanding upward from the bottom end; A light-transmitting member is arranged on the upper end of the light-guiding member with a concave curved lower end surface, and can cooperate with the light-emitting member and the light-guiding member to form a strip-shaped lens, and the upper end surface of the light-transmitting member is curved and convex Refractive surface; The light emitted by a plurality of light emitting sources packaged in a single base is concentrated and projected on the light-transmitting part through the reflection of the light-guiding part, and is refracted by the curved surface of the single light-transmitting part, so that the light forms a horizontal rectangular diffusion. 2. The light-emitting module structure for LED lighting according to claim 1, wherein the base of the light-emitting element is a plate made of aluminum oxide, aluminum nitride or silicon carbide with thermal conductivity. 3. The light-emitting module structure for LED lighting according to claim 1, wherein the reflective surface is coated with a reflective material. 4. The light-emitting module structure for LED lighting according to claim 1, characterized in that, the light-emitting sources of the light-emitting element are arrayed axially on the base. 5. The light-emitting module structure for LED lighting according to claim 1, wherein the light-emitting element is composed of a light-emitting source and a base, and a plurality of light-emitting elements are arranged in axial arrays, and a single light-guiding element and a single Light-transmitting parts form a bond. 6. The light-emitting module structure for LED lighting according to claim 1, wherein the lower end of the light-transmitting member is directly locked on the base. 7. The light-emitting module structure for LED lighting according to claim 1, wherein a fixing frame is locked on the outer edge of the base, and the fixing frame has heat conduction properties. 8. The light-emitting module structure for LED lighting according to claim 7, wherein the lower end of the light-transmitting member is interposed with a fixing frame and locked to the base.

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