TWI620891B - A light engine device - Google Patents

Abstract

A light engine device includes a base, a light source module, a light collecting unit, an optical module and a sleeve. The light source module has a light emitting diode unit and a substrate. The light collecting unit has a first opening, a cup body and a second opening. The first opening houses the light emitting diode unit. The first opening and the second opening are respectively formed on two sides of the cup. The optical module has an interface portion and a lens portion, one side of the interface portion is stacked on the second opening, and the lens portion is formed on the other side of the interface portion. The sleeve has a first opening, a cylinder and a second opening, the first opening is fixed to the base, the cylinder enclosing the light source module, the light collecting unit and at least a portion of the optical Module. A light generated by the light-emitting diode unit adjusts the light shape and light intensity of an outgoing light by a primary optical action and a secondary optical action.

Description

Light engine unit

The present invention relates to the technical field of lighting devices, and more particularly to a light engine device having low loss and high efficiency light guiding.

Due to the low energy consumption, high luminous efficiency and long service life of the light-emitting diodes, many lighting manufacturers have replaced the light-emitting systems of other types of light sources with the light-emitting diodes, such as white heat bulbs, fluorescent bulbs or conventional tungsten. Silk bulb.

However, these lighting manufacturers are almost designed with technology in mind. There is no common standard between these lighting manufacturers. Therefore, although these lighting manufacturers have many technologies, the specifications cannot be standardized, and it is difficult to extend. A large industrial scale.

The illuminating diode lighting system is assembled by different components. The lighting system generally comprises a light engine module, an optical component and a power supply. Typically, a lighting system is assembled that goes to a number of different suppliers for each of the individual components and then assembles the different components from different suppliers. The purchase of these various components from different sources has different specifications and it is difficult to integrate them into a functional system. Such an unintegrated method cannot effectively utilize the illumination system.

In view of the aforementioned problems, in 2010, the ZHAGA Alliance was developed. The alliance builds a light engine platform and develops an open specification, for example, the open specification includes a standard interface and a uniform specification.

The light engine developed in the ZHAGA Alliance is primarily based on traditional luminaires. The light engine mainly uses a light-emitting diode light source and a light collector to integrate the light source direction. Therefore, the light engine does not fully utilize the characteristics of high directivity and small light-emitting area of the light-emitting diode.

In view of this, the present invention proposes a light engine device to address the deficiencies of the prior art.

An object of the present invention is to provide a light engine device that allows a light generated by a light-emitting diode to achieve a low-loss and high-efficiency light-guiding illumination effect through primary optical action and secondary optical action.

Another object of the present invention is to improve the light intensity of the light-emitting diode and to easily adjust the light shape emitted by the light-emitting diode according to the light engine device described above.

To achieve the above and other objects, the present invention provides a light engine device, which includes a base, a light source module, a light collecting unit, an optical module and a sleeve. The light source module is disposed on one side of the base. The light source module has a light emitting diode unit and a substrate. The light emitting diode unit is disposed on one side of the substrate. The light collecting unit is disposed on the same side of the light emitting diode unit of the light source module. The light collecting unit has a first opening, a cup body and a second opening. The first opening houses the light emitting diode unit. The first opening and the second opening are respectively formed on two sides of the cup. The diameter of the second opening is greater than the diameter of the first opening. The optical module has an interface portion and a lens portion. One side of the interface portion is stacked on the second opening, the interface portion is connected to the second opening, and the lens portion is formed on the other side of the interface portion. The sleeve has a first port, a barrel and a second port. The first port is fixed to the base. The cylinder encloses the light source module, the light collecting unit and at least a portion of the optical module. A light generated by the light emitting diode unit forms an optical reflection effect through the light collecting unit, and the reflected light forms one of a focusing and a diffusing effect of the secondary optics via the lens portion.

10‧‧‧Light engine installation

12‧‧‧Base

122‧‧‧First cylinder

124‧‧‧Second cylinder

126‧‧‧ drive circuit

128‧‧‧Connecting terminal

14‧‧‧Light source module

142‧‧‧Lighting diode unit

144‧‧‧Substrate

16‧‧‧Light collecting unit

162‧‧‧ first opening

164, 164’‧‧‧ cup

1642‧‧‧reflective layer

166‧‧‧ second opening

18‧‧‧Optical module

182‧‧‧Interface Department

184‧‧‧ lens department

20‧‧‧ sleeve

202‧‧‧ first port

204‧‧‧Cylinder

206‧‧‧second port

BL, BL'‧‧‧ rays

1 is a schematic exploded view of a light engine device according to an embodiment of the present invention; FIG. 2 is a schematic view showing another embodiment of a base in the light engine device of the above embodiment; FIG. 3 is a schematic view showing the combination of the components shown in FIG. Figure 4 is a schematic view showing another embodiment of the cup body in the light engine device of the above embodiment; Figure 5 is a schematic view showing the optical path of the light engine device of the above embodiment of Figure 4; Figure 6a-6e is a view showing the above embodiment Experimental power diagram of the light engine device.

The present invention is explained by the following embodiments in order to fully understand the objects, features and advantages of the present invention. However, the description in the embodiments is merely illustrative of the technical contents of the present invention. And its intended purpose, rather than to directly limit the invention. It should be noted that in the following embodiments and the drawings, elements that are not directly related to the present invention have been omitted and are not shown; and the sizes and relative positional relationships of the elements in the drawings are only used for illustration and not for use. Limit the implementation scale and size.

Please refer to FIG. 1, which is an exploded perspective view of a light engine device according to an embodiment of the present invention. In FIG. 1 , the light engine device 10 includes a base 12 , a light source module 14 , a light collecting unit 16 , an optical module 18 , and a sleeve 20 .

In this embodiment, the base 12 is illustrated by a first cylindrical body 122 and a second cylindrical body 124. Since the diameter of the first cylinder 122 is larger than the diameter of the second cylinder 124, a hierarchical protrusion is formed in the first cylinder 122. The material of the first cylinder 122 and the second cylinder 124 can be respectively formed of a high thermal conductive material to rapidly dissipate the heat energy generated by the light source module 14 and/or the light collecting unit 16, for example, the high thermal conductivity. The material is a metal, a ceramic, a graphite or a diamond.

It should be noted that those skilled in the art should understand that the base 12 is more likely to include a driving circuit 126 and/or a connection terminal 128, and can refer to FIG. 2, which illustrates the light in FIG. A side view of another embodiment of the base 12 of the engine unit 10. In FIG. 2, the driving circuit 126 can be used to drive the light source module 14 to generate a light ray BL, and the connecting terminal 128 can be used to connect, for example, a conventional lamp holder, which will not be described herein.

Returning to FIG. 1 , the light source module 14 is disposed above the base 12 . The light source module 14 includes a light emitting diode unit 142 and a substrate 144.

The LED unit 142 is disposed above the substrate 144. In this embodiment, the LED unit 142 can be a single or a plurality of LED packages (LED Chip on The light-emitting diode package is a Lambertian surface light source having high light-emitting power and a large light-emitting angle, for example, the light-emitting angle ranges from 15 degrees to 140 degrees.

The light collecting unit 16 reflects the large light emitting angle of the light emitting diode unit 142 to generate the light ray BL, so that the light ray BL can generate another light ray BL' by one optical reflection. The material of the light collecting unit 16 is a metal.

The light collecting unit 16 includes a first opening 162, a cup body 164 and a second opening 166. The light collecting unit 16 is disposed above the light source module 14 , and the first opening 162 is located on the upper side of the light emitting diode unit 142 to accommodate the light emitting diode unit 142 . The first opening 162 and the second opening 166 are respectively formed on two sides of the cup 164. In this embodiment, the diameter of the second opening 166 is larger than the diameter of the first opening 162, so that the cup 164 has an annular slope.

It should be noted that the diameter of the first opening 162 and the diameter of the second opening 166 can be adjusted according to actual needs, and an optical effect is applied to a certain range of illumination angles of the light ray BL.

In the embodiment, the diameter of the first opening 162 is approximately equal to the diameter of the LED unit 142, and the first opening 162 can accommodate the LED unit 142. In another embodiment, the diameter of the first opening 162 may also be larger than the diameter of the LED unit 142.

The optical module 18 has the light ray BL′ from the concentrating unit 16 and the ray BL from the illuminating unit 142 and not reflected by the concentrating unit 16 , that is, the optical modulo Group 18 achieves excellent results in changing the path of the light. The optical module 18 is made of polymethyl methacrylate (PMMA), a polycarbonate (PC) or a glass.

The optical module 18 includes an interface portion 182 and a lens portion 184. The assembly of the interface portion 182 from the lens portion 184 is either a unitary, unitary component. The optical module 18 is stacked in the first The second opening 166 is configured such that the lower side of the interface portion 182 communicates with the second opening 166, and the lens portion 184 is formed on the upper side of the interface portion 182. In another embodiment, the interface portion 182 has an annular bevel extending from the outer edge of the interface portion 182 toward the light collecting unit 16. The lens portion 184 can be an aspherical lens structure or a Fresnel lens structure, depending on the desired light shape adjustment of the outgoing light. In the present embodiment, the shape of the lens portion 184 is of a bullet type.

Therefore, the concentrating unit 16 collects the light ray BL of the illuminating diode unit 142, and uniformizes the collected light path of the ray BL into the narrow ray BL, BL', and then uses the optical The module 18 diffuses and converges the rays BL, BL' to form different light distribution curves. In other words, by adjusting the LED unit 142, the light collecting unit 16 and the optical module 18, the fast switching effect can be dynamically achieved for different environments.

In another embodiment, a bead ring (not shown) may be disposed between the light collecting unit 16 and the optical module 18, in addition to increasing the tightness of the light collecting unit 16 and the optical module 18. In addition, it can improve the waterproofness of the entire light engine device.

The sleeve 20 includes a first port 202, a barrel 204 and a second port 206. In this embodiment, the outer side of the first port 202 is formed as a layered ring cover. However, the present level ring cover is only an example of the embodiment, and those skilled in the art can easily change to other embodiments. The material of the sleeve 20 can be a metal and a plastic.

The first port 202 is fixed to the base 12, and the layer ring cover covers the layer protrusion. The cylindrical body 204 covers the light source module 14 , the light collecting unit 16 and the optical module 18 , and the lens portion 184 protrudes from the second opening 206 . In another embodiment, the lens portion 184 can also be completely covered on the sleeve 20.

One can refer to FIG. 3 for a schematic diagram of the combination of the components described in FIG. In FIG. 3, the upper portion of the light engine device 10 is the lens portion 184, and the lens portion 184 has a bullet-shaped outer shape, and the lens portion 184 protrudes from the second opening 206. The lower portion of the light engine device 10 is a circular base.

Referring to FIG. 4, a schematic view of another embodiment of the cup body in the light engine device of the above embodiment is illustrated. In FIG. 4, the cup 164' includes a reflective layer 1642. The reflective layer 1642 is formed on the inner wall of the cup 164' to enhance the light intensity of the parallel light. For example, the material of the reflective layer 1642 may be an aluminum oxide (Al ₂ O ₃ ), a YBO ₃ , a barium sulfate ( BaSO4), at least one of titanium dioxide (TiO2), calcium pyrophosphate (CA2P2O7), calcium monohalide phosphate and magnesium oxide (MgO).

Referring to FIG. 5, a schematic diagram of an optical path of the light engine device of the above embodiment of FIG. 4 is illustrated. In FIG. 5, the light emitting diode unit 142 on the base 12 generates the light ray BL, and the light ray BL of a small light emitting angle is directly transmitted through the light collecting unit 16 to the interface portion 182, and the large illuminating angle is The ray BL is emitted to the cup 164, and another ray BL' that is parallel is produced by the cup 164. Both of the light rays BL, BL' are emitted to the interface portion 182, and are emitted to the outside of the light engine device 10 via the lens portion 184.

Referring to Figures 6a-6e, an experimental power diagram of the light engine device of the above embodiment is illustrated. In Fig. 6a, the light intensity of the light generated by the light-emitting diode unit 122 after being driven is shown. It can be understood from the figure that the light intensity in the middle portion of the light is the strongest, about 350 cd/klm.

In Fig. 6b, the light is shown to pass through the light collecting unit 14, and the light intensity of the light is increased to 600 cd/klm.

In Fig. 6c, the light is directly transmitted through the optical module 16, and the light intensity of the light is increased to 680 cd/klm.

In Figures 6b and 6c, the light passes through only one optics, and the light intensity of the light is only approximately doubled.

In FIG. 6d, the primary optical action and the secondary optical action of the light passing through the light collecting unit 14 and the optical module 16 are shown, and the light intensity of the light is increased to 2200 cd/klm, about 6-7 times.

In addition, the optical module 18 of the present invention can control the light shape of the emitted light to form a rectangular light type required for long-distance projection, which is an effect that cannot be achieved by the conventional light-emitting diode lamp, and the light-shaped figure is as shown in the figure. Shown at 6e.

The invention has been described above in terms of the preferred embodiments, and it should be understood by those skilled in the art that the present invention is not intended to limit the scope of the invention. It should be noted that variations and permutations equivalent to those of the embodiments are intended to be included within the scope of the present invention. Therefore, the scope of protection of the present invention is defined by the scope of the patent application.

Claims (11)

A light engine device includes: a base comprising a first cylinder and a second cylinder, the diameter of the first cylinder being larger than the diameter of the second cylinder, the base forming a hierarchical structure; a light source module The light source module has a light emitting diode unit and a substrate, the light emitting diode unit is disposed on one side of the substrate; and a light collecting unit is disposed in the light source mold The light collecting unit has a first opening, a cup body and a second opening, the first opening receiving the light emitting diode unit, the first opening and the first opening The two openings are respectively formed on two sides of the cup body, wherein the diameter of the second opening is larger than the diameter of the first opening, the cup body has an annular slope; an optical module has an interface portion and a lens a side of the interface portion is stacked on the second opening, the interface portion is connected to the second opening, and the lens portion is formed on the other side of the interface portion, the lens portion is in the shape of a bullet; and a sleeve With a first port, one And a second port, the first port is fixed to the base, the tube envelops the light source module, the light collecting unit and at least a part of the optical module, and the outer side of the first port is a layer The ring cover corresponds to the hierarchical structure of the base; a light generated by the light emitting diode unit forms a primary optical light for reflection through the light collecting unit, and the primary optical light and the unreflected light pass through the lens portion A secondary optical light that forms one of a focusing action and a diffusing effect, wherein the light intensity of the secondary optical light is about 6 to 7 times greater than the light intensity of the light that has not passed through the light collecting unit and the optical module. The light engine device of claim 1, wherein the light intensity of the primary optical light is about 1 times the light intensity of the light that has not passed through the light collecting unit. The light engine device of claim 1, wherein the lens portion protrudes from the second port. The light engine device of claim 1, wherein the base is composed of a high thermal conductive material of a metal, a ceramic, a graphite or a diamond. The light engine device of claim 1, wherein the light collecting unit is composed of a metal material. The light engine device of claim 5, wherein the light collecting unit comprises a reflective layer formed on an inner wall of the cup. The light engine device of claim 5, wherein the material of the reflective layer is aluminum oxide (Al ₂ O ₃ ), a YBO ₃ , barium sulfate (BaSO ₄ ), titanium dioxide (TiO ₂ ), and a coke. At least one of calcium phosphate (CA ₂ P ₂ O ₇ ), monohalogenated calcium phosphate and magnesium oxide (MgO). The light engine device of claim 1, wherein the optical module is composed of a material of polymethyl methacrylate (PMMA), a polycarbonate (PC) or a glass. The light engine device of claim 1, wherein the lens portion is an aspherical lens structure or a Fresnel lens structure. The light engine device of claim 1, wherein the sleeve is made of a metal and a plastic material. The light engine device of claim 1, further comprising a rubber ring disposed between the light collecting unit and the optical module.