CN202691910U - Omnidirectional projected light guide column structure - Google Patents

Abstract

The utility model provides a leaded light post structure of qxcomm technology projection is equipped with at least one refraction area between the income light end of a cylinder and the light-emitting end that income light end is relative, borrows to be followed by the light that income light end incides the refraction area and this light-emitting end or this light-emitting side of direction global, borrow this, as an incident light source by the income light end incidence of this cylinder, its incident light is through the refraction of a refraction area, partly by the global projection of light-emitting side, though partly still by this light-emitting end through the refraction, and lead to that the light-emitting can more evenly distributed in this light-emitting end or this light-emitting side global to reach the even efficiency of light-emitting, and the structure retrencies and forms this cheap. The refraction area is hollow, can be in one or more of a diamond shape, a circular shape, an oval shape, a conical shape and an irregular shape, and can be combined into a plurality of hollow structures, and can be applied to uniformizing the light emitted by the LED.

Description

Omni-directional projection light guide column structure

technical field

The utility model relates to a light guide column structure for omnidirectional projection, especially a light guide column applied to an LED light source, and uses its refraction area to refract the light directly projected forward by the LED into an omnidirectional projection, and at the same time increases the uniformity of the light output. area. the

Background technique

Due to the limitation of luminous characteristics, LED light-emitting elements have the characteristic of projecting light directly forward. LED light-emitting sources using LED light-emitting elements as light sources used to have the advantage of concentrating light forward, but it is also a disadvantage, because if In order to obtain uniform and omnidirectional light projection, many LEDs must be installed, but this not only complicates the structure, but also costs a lot. Otherwise, we must start with its mask and light guide elements. the

In order to overcome the problem that the light generated by the LED light source is directly projected forward, there is a component with a light guide column in the lamp. Bright, but the surrounding will still be dark, that is, its light projection angle is still limited. the

In order to improve such shortcomings, there are several current methods, one of which is to coat the light-diffusing agent on the inner surface of the photomask, but this method can only achieve a 180-degree projection angle, and another current method is to increase LED light emission The number of components or boards can achieve a larger projection angle, but the structure is complicated, and that will greatly increase the cost. the

Another method, which is also the current mainstream method, is to change the structure of the front, middle, rear, and side ends of the light guide column so that it can evenly emit light from the LED light-emitting element, instead of only brightening the front. The most common method, It is a structure that adds refraction or reflection to the outside of the light guide column, and a homogenization layer is arranged at the front end of the light guide column. The light can be partially scattered or reflected, so that the light output of the entire light output surface is softened, but the increased light output area is limited, only around the uniform layer of the light guide column. the

From the above, it is obvious that the known technology has the problem of limited increased uniform light output area or high cost. the

The utility model provides a light guide column structure for omnidirectional projection aiming at the disadvantages of limited uniform light output area and high cost of the existing light guide column. the

Utility model content

The purpose of this utility model is to provide a light guide column structure for omnidirectional projection, which is provided with at least one refraction zone in the light guide section of the light guide column, and guides the incident light through the refraction zone to the front of the light guide column. The light-emitting end or the light-emitting side peripheral surface on the side thereof causes the emitted light to be more uniformly distributed in front or side of the light guide column, and achieves the effect of uniform light emission, and the structure is simplified and the cost is low. the

For this reason, the utility model proposes a light guide column structure for omnidirectional projection, which is a column body, including a light incident end, a light exit end opposite to the light entrance end, and a light exit side peripheral surface. There is a light-guiding section between the light-emitting ends, and at least one refraction area is set in the light-guiding section of the cylinder, so as to guide the light incident from the light-incoming end to the light-emitting end or the light-emitting area through the refraction area. The side peripheral surface, whereby when an incident light source, such as an LED light source, is incident from the light-incident end of the cylinder, the incident light projected to the light-emitting end is refracted through the refraction zone, and part of it is projected from the light-emitting side peripheral surface, Part of it is refracted and still passes through the light outlet, so that the light will be more uniformly distributed on the light outlet or the peripheral surface of the light outlet, and achieve the effect of uniform light output, while increasing the uniform area of light output. the

The omnidirectional projection light guide column structure, wherein the refraction area is a rhombus, a circle, an ellipse, a cone, or a combination of multiple shapes or multiple hollow structures, so as to achieve a simple structure It also has the effect of uniform light. the

In the omnidirectional projecting light guide column structure, the refraction area is hollow, and it can also be a structure that runs through the peripheral surface of the light exit side, so as to achieve the advantages of simple structure and low cost. the

The omnidirectional projection light guide column structure, wherein the column is a transparent column, the light guide section is a transparent light guide section, and the body is a glass cylinder or a plastic cylinder, so as to achieve The efficacy and advantages of good light transmission and low production cost. the

The omnidirectional projection light guide column structure, wherein the refraction zone is an irregular space, so as to refract light irregularly to achieve the effect of dispersing or softening the light distribution; however, the refraction zone is hollow and has multiple, and wherein the refraction zones are irregularly distributed, the omnidirectional projected light guide column structure can actually be a transparent and irregularly distributed multi-irregular refraction zone, an example of which can be It is a light guide column structure full of bubbles. the

From the above, it can be seen that the omnidirectional projection light guide column structure provided by the present invention has a simple structure and low cost, and achieves the effect of uniform light output, and at the same time increases the area of uniform light output. the

Description of drawings

FIG. 1 is a schematic diagram of the structure of a light guide column arranged in an LED lighting fixture according to the first embodiment of the present invention. the

FIG. 2 is a perspective view showing the light guide column of the first embodiment. the

FIG. 3 is a cross-sectional view showing the light guide column of the first embodiment. the

FIG. 4 is a schematic diagram of the light-transmitting column of the light guide column according to the first embodiment of the present invention. the

FIG. 5 is a schematic diagram of a light guide column according to a second embodiment of the present invention. the

FIG. 6 is a schematic diagram of a light guide column according to a third embodiment of the present invention. the

FIG. 7 is a schematic diagram of a light guide column according to a fourth embodiment of the present invention. the

FIG. 8 is a schematic diagram of a light guide column according to a fifth embodiment of the present invention. the

FIG. 9 is a schematic diagram of a light guide column according to a sixth embodiment of the present invention. the

Description of the main component labels:

Detailed ways

In order to have a clearer understanding of the technical features, purposes and effects of the present utility model, the specific implementation of the present utility model is now described with reference to the accompanying drawings:

An omnidirectional projection light guide column structure proposed by the present utility model, please refer to FIG. 1, which is a structural schematic diagram of a light guide column configured in an LED lighting fixture 1 according to the first embodiment of the present utility model. FIG. 2 shows a perspective view of the light guide column , and Figure 3 shows a cross-sectional view of the light guide rod. The light guide column has a column body 10 , including a light incident end 11 , a light exit end 12 opposite to the light incident end 11 , and a light exit peripheral surface 13 . A light guide section 14 is defined between the light incident end 11 and the light exit end 12 . The light incident end 11 is provided with a recess 111 as a space for accommodating the LED light source 20 . the

The light guide section 14 of the cylinder 10 is provided with at least one refraction area 15 , so as to guide the light incident from the light input end 11 to the light output end 12 or the light output side peripheral surface 13 through the refraction area 15 . the

As shown in Figure 4, it is a schematic diagram of the light transmission of the light guide column of the embodiment of the present invention, and a schematic diagram of LED light projection. When an incident light source, such as an LED light source 20, is incident from the light incident end 11 of the column 10, The incident light projected to the light-emitting end 12 is refracted by the refraction zone 15, and part of it is projected by the light-emitting side peripheral surface 13, and part is still passed through the light-emitting end 12 after refraction, so that the emitted light will be more evenly distributed on the light-emitting end. 12 or the light-emitting side peripheral surface 13, and achieve the effect of uniform light emission. the

The embodiments of the refraction zone of the omnidirectional projection light guide column structure can have various forms, wherein except that the first embodiment shows a rhombus, as shown in Figure 5, the refraction zone 15A of the column 10A It is an ellipse; as shown in FIG. 6 , the refraction zone 15B of the cylinder 10B is a circle; as shown in FIG. 7 , the refraction zone 15C of the cylinder 10C is a cone. the

The above-mentioned omnidirectional projection light guide column structure, wherein the column is a transparent column, the light guide section is a transparent light guide section, and the body is one of a glass cylinder or a plastic cylinder, so as to The effects and advantages of good light transmission and low manufacturing cost are achieved. the

As shown in FIG. 8 , the refraction zone 15D of the light guide column body 10D is an irregular space, through irregular refraction of light, the effect of dispersing or softening the light distribution is achieved; and the refraction zone 15D is hollow. , There are multiple and irregularly distributed hollow structures, a specific example can be a transparent and irregularly distributed multiple irregular refraction regions 15D, that is, it can be a light guide column 10D structure full of bubble-like structures . the

FIG. 9 is a schematic diagram of a light guide column according to a sixth embodiment of the present invention. The refraction area 15E of the light guide column body 10E is another irregular space, through irregular refraction of light, the light distribution can be diffused or softened. the

Through the detailed description of the above-mentioned embodiments, including the structural explanations of various application examples, the light guide column can achieve the effect of uniform light output by setting the refraction area with a simplified structure, and at the same time increase the area of uniform light output, and the cost is low . the

The above descriptions are only illustrative specific implementations of the present utility model, and are not intended to limit the scope of the present utility model. Any equivalent changes and modifications made by those skilled in the art without departing from the concept and principles of the present invention shall fall within the protection scope of the present invention. the

Claims (5)

1. A light guide column structure for omnidirectional projection, the light guide column structure is a cylinder, including a light incident end, a light exit end opposite to the light entrance end and a light exit side peripheral surface, the light entrance end and the light exit Between the ends is a light guide section, which is characterized in that: The light guide section of the cylinder is provided with at least one refraction area capable of guiding the light incident from the light input end to the light output end or the peripheral surface of the light output side. 2. The omnidirectional projection light guide column structure according to claim 1, wherein the refraction zone is one of a rhombus, a circle, an ellipse, a cone, or a combination of multiple shapes or more a hollow structure. 3 . The omnidirectional projection light guide column structure according to claim 2 , wherein the refractive region is hollow. 4 . 4. The omnidirectional projection light guide column structure as claimed in claim 1, wherein the column is a transparent column, and the light guide section is a transparent light guide section. 5. The omnidirectional projection light guide column structure as claimed in claim 4, wherein the column is a glass column or a plastic column. the

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