TWM485366U - Optical device - Google Patents

Description

Optical structure

This creation is about an optical structure for adjusting the angle and density of the beam. In addition to improving the structure of the conventional optical structure, it can achieve higher light extraction efficiency and a smaller half-light angle, and can also change the convergence of light. The degree of light effectively controls the angle of light to make the beam shrink or enlarge more evenly.

According to the general optical structure, in order to achieve the effect of the creation, most of the optical structures are used to achieve a small angle of light exiting angle. In addition to the large volume, the material cost cannot be effectively reduced, and the overall lighting device is also changed. Big and cumbersome.

The main purpose of this creation is to improve the structure of the traditional optical structure to achieve higher light extraction efficiency and smaller half-light intensity angle, and also to change the degree of light concentration, effectively control the light angle, and make the beam more evenly shrink. Or zoom in.

For the purpose of the above, the present invention is an optical structure having a bottom surface, a first incident surface/first refractive surface and a second incident surface/second refractive surface disposed on the bottom surface, and a bottom surface disposed on the bottom surface a control surface at a corresponding position above and a first exit surface/third refraction surface extending upward from a bottom of the control surface a third exit surface/fifth refractive surface, a second exit surface/fourth refraction surface connected to the control surface, and a reflective surface connected to the bottom surface and the second exit surface/fourth refraction surface.

In one embodiment of the present invention, the optical structure is a light transmissive material such as plastic or glass.

In one embodiment of the present invention, the reflecting surface is at least a straight line or a curve calculated according to a calculation by Snell's Law, and the light is totally reflected and then advanced toward the second exit surface/fourth refractive surface.

In an embodiment of the present invention, the first incident surface/first refractive surface may have a surface microstructure such as a polished, atomized, beaded or scaled structure.

In an embodiment of the present invention, the second incident surface/second refractive surface may have a surface microstructure such as a polished, atomized, beaded or scaled structure.

In an embodiment of the present invention, the first exit surface/third refractive surface may have a surface microstructure such as a polished, atomized, beaded or scaled structure.

In an embodiment of the present invention, the second exit surface/fourth refraction surface may have a surface microstructure such as a polishing, atomization, bead or scale structure.

In an embodiment of the present invention, the third exit surface/fifth refractive surface may have a surface microstructure such as a polished, atomized, beaded or scaled structure.

In one embodiment of the present invention, the reflective surface can have a surface microstructure such as a polished, atomized, beaded or scaled structure.

In one embodiment of the present invention, the control surface may have a surface microstructure such as a polished, atomized, beaded or scaled structure.

In an embodiment of the present invention, the optical structure may further be provided with a fixing device for connecting and fixing the reflective surface and the second exit surface/fourth refractive surface.

1‧‧‧Optical structure

11‧‧‧ bottom

111‧‧‧First incident surface/first refractive surface

112‧‧‧second incident surface/second refractive surface

12‧‧‧reflecting surface

13‧‧‧First exit surface/third refractive surface

14‧‧‧Second exit/fourth refraction surface

15‧‧‧ Third exit surface/fifth refraction surface

16‧‧‧Control surface

17‧‧‧Fixed devices

18‧‧‧Light source

Fig. 1 is a schematic view showing the appearance of the optical structure of the first embodiment of the present invention.

Fig. 2 is a schematic view showing the appearance of the optical structure of the second embodiment of the present invention.

Figure 3 is a schematic diagram of the implementation of the optical structure of the present invention.

Please refer to FIG. 1 , FIG. 2 and FIG. 3 , FIG. 1 is a schematic view showing the appearance of the optical structure of the first embodiment of the present invention; FIG. 2 is a schematic view showing the appearance of the optical structure of the second embodiment of the present invention; Figure 3 is a schematic diagram of the implementation of the optical structure of the present invention.

Please refer to FIG. 1 , which is a schematic view showing the appearance of an optical structure according to a first embodiment of the present invention. The present invention is an optical structure 1 having a bottom surface 11 , a first incident surface/first refractive surface 111 and a second incident surface/second refractive surface 112 disposed on the bottom surface, and a corresponding arrangement on the bottom surface. a control surface 16 of the position and a first exit surface/third refraction surface 13 and a third exit surface/fifth refraction surface 15 extending upward from the bottom of the control surface 16, and a second exit surface connected to the control surface 16 The fourth refractive surface 14 and a reflective surface 12 connected to the bottom surface 11 and the second exit surface/fourth refractive surface 14. The optical structure 1 is made of a light transmissive material such as plastic or glass. The reflecting surface 12 is based on Snell’s At least a straight line or curve calculated by Law allows the light to be totally reflected and then advanced toward the second exit surface/fourth refractive surface 14. In addition, the first incident surface/first refractive surface 111, the second incident surface/second refractive surface 112, the first exit surface/third refractive surface 13, the second exit surface/fourth refractive surface 14, The third exit surface/fifth refractive surface 15, the reflective surface 12 and the control surface 16 may have a surface microstructure such as a polished, atomized, beaded or scaled structure.

Please refer to FIG. 2 , which is a schematic diagram of the appearance of the optical structure of the second embodiment of the present invention. The difference from the first embodiment is that the optical structure 1 can be further provided with a fixing device 15 for connecting and fixing the total emitting surface 12 and the second emitting surface/fourth refractive surface 14.

Please refer to FIG. 3 , which is a schematic diagram of the implementation of the first embodiment of the optical structure of the present invention. When the light source 18 enters from the first incident surface/first refractive surface 111 and the second incident surface/second refractive surface 112 of the bottom surface 11, the main effective light path has three: one, the light passes through the first incident surface/the first a refractive surface 111 is refracted to the third exit surface/fifth refractive surface 15; secondly, light is refracted through the second incident surface/second refractive surface 112 to the first exit surface/third refractive surface 13 After the control surface 16 is refracted, the reflective surface 12 is reflected to the second exit surface/fourth refractive surface 14 and then emitted; third, the light is refracted to the reflective surface 12 via the second incident surface/second refractive surface 112. After being reflected to the second exit surface/fourth refraction surface 14, it is emitted.

In summary, in addition to improving the structure of the conventional optical structure, the optical structure of the present invention can achieve higher light extraction efficiency and a smaller half-light intensity angle, and can also be modified. The degree of concentrating light is changed to effectively control the angle of light, so that the beam is more evenly reduced or enlarged, so that the creation of the creation can be more advanced, more practical, and more in line with the needs of consumers. Essentials, 提出 file a patent application in accordance with the law.

However, the above is only a preferred embodiment of the present invention, and the scope of the present invention cannot be limited by this; therefore, the simple equivalent changes and modifications made by the scope of the patent application and the content of the creation specification are All should remain within the scope of this creation patent.

1‧‧‧Optical structure

11‧‧‧ bottom

111‧‧‧First incident surface/first refractive surface

112‧‧‧second incident surface/second refractive surface

12‧‧‧reflecting surface

13‧‧‧First exit surface/third refractive surface

14‧‧‧Second exit/fourth refraction surface

15‧‧‧ Third exit surface/fifth refraction surface

16‧‧‧Control surface

Claims (11)

An optical structure having: a bottom surface; a first incident surface/first refractive surface and a second incident surface/second refractive surface disposed on the bottom surface; a control surface disposed at a corresponding position above the bottom surface and a first exit surface/third refraction surface and a third exit surface/fifth refraction surface extending upward from a bottom of the control surface; a second exit surface/fourth refraction surface connected to the control surface; and a connection to the bottom surface and a reflecting surface of the second exit surface/fourth refraction surface. The optical structure according to claim 1, wherein the optical structure is a light transmissive material such as plastic or glass. The optical structure according to claim 1, wherein the reflective surface is at least a straight line or a curve calculated according to a method of Snell's Law, and the light is totally reflected and then advanced to the second exit surface/fourth refractive surface. . The optical structure of claim 1, wherein the first incident surface/first refractive surface may have a surface microstructure such as a polished, atomized, beaded or scaled structure. The optical structure of claim 1, wherein the second incident surface/second refractive surface may have a surface microstructure such as a polished, atomized, beaded or scaled structure. The optical structure of claim 1, wherein the first exit surface/third refractive surface may have a surface microstructure such as a polished, atomized, beaded or scaled structure. The optical structure of claim 1, wherein the second exit surface/fourth refractive surface may have a surface microstructure such as a polished, atomized, beaded or scaled structure. The optical structure according to claim 1, wherein the third exit surface/fifth refractive surface may have a surface microstructure such as a polishing, atomization, bead or scale structure. The optical structure of claim 1, wherein the reflective surface can have a surface microstructure such as a polished, atomized, beaded or scaled structure. The optical structure of claim 1, wherein the control surface can have a surface microstructure such as a polished, atomized, beaded or scaled structure. The optical structure of claim 1, wherein the optical structure is further provided with a fixing device for connecting and fixing the reflecting surface and the second emitting surface/fourth refractive surface.