LED collimating optic for a vision training and ophthalmic treatment device

Abstract

The application discloses an LED collimating optical lens of a visual training and ophthalmic treatment device, which comprises a seat body, wherein a first plane convex mirror, a second plane convex mirror and a double-face convex mirror are sequentially arranged on an LED light source light outlet channel. The three lenses are combined to effectively converge light and accurately project the light on a required position, so that the light spot is collimated and the irradiation effect with high light uniformity is achieved, thereby realizing effective light treatment and low manufacturing cost.

Description

Technical Field

[0001] This invention relates to the field of ophthalmic treatment device technology, and more particularly to an LED collimating optical lens for a vision training and ophthalmic treatment device. Background Technology

[0002] In the medical field of vision training and ophthalmic treatment devices, light therapy is one of the common treatment methods. It can help patients restore or improve their vision, alleviate visual problems of varying degrees, and alleviate other symptoms caused by visual dysfunction. Light therapy uses light sources to illuminate the eyes at different intensities, colors, and frequencies, thereby activating and stimulating retinal photoreceptor cells and brain nerves, promoting the normal function of the visual system.

[0003] Currently, the method of using LED light sources for phototherapy has some drawbacks: because the light emission angle of LED light sources exceeds 120°, the emitted light spot is very diffuse, glare-prone, and easily forms a large area of ​​diffuse spot, which can cause discomfort and light pollution to the eyes of other people during training or treatment. Therefore, how to collimate the light spot of LED light sources to the patient's eyes evenly has become an urgent problem to be solved in the industry. To this end, the present invention provides an LED collimating optical lens for a vision training and ophthalmic treatment device. Summary of the Invention

[0004] The purpose of this invention is to provide an LED collimating optical lens for a vision training and ophthalmic treatment device, thereby addressing the problems mentioned in the background section. To achieve the above objective, this invention provides the following technical solution:

[0005] An LED collimating optical lens for a vision training and ophthalmic treatment device includes a base, wherein a first planar convex lens, a second planar convex lens, and a double-sided convex lens are arranged sequentially on the light output channel of an LED light source.

[0006] Furthermore, it also includes a third planar convex mirror, which is disposed between the second planar convex mirror and the double-sided convex mirror.

[0007] Furthermore, the base includes a connecting seat, an adjusting positioning ring, and a focal length adjusting seat; the first planar convex mirror and the second planar convex mirror are sequentially disposed in the connecting seat, and the double-sided convex mirror is disposed at the upper end of the focal length adjusting seat; the connecting seat is provided with an external thread, and the adjusting positioning ring and the focal length adjusting seat are both provided with internal threads and are sequentially screwed into the external thread of the connecting seat to adjust the distance and included angle between the double-sided convex mirror and the second planar convex mirror.

[0008] Furthermore, the connecting seat is also provided with an internal thread, and the connecting seat is provided with a first fixing inner ring for fixing the first planar convex mirror and a second fixing inner ring for fixing the second planar convex mirror. Both the first fixing inner ring and the second fixing inner ring are provided with external threads and are sequentially screwed into the internal thread of the connecting seat.

[0009] Furthermore, the lower end of the connector is provided with an internal thread for screwing into the LED light source.

[0010] The beneficial effects of this invention are as follows: by working together with three lenses, this invention effectively focuses light and accurately projects it onto the desired position, achieving a collimated light spot and high uniformity of illumination, thereby realizing effective phototherapy, and with low manufacturing cost. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the structure of the present invention.

[0013] Figure 2 This is an exploded structural diagram of the present invention.

[0014] Figure 3 This is a cross-sectional schematic diagram of the present invention.

[0015] Figure 4 This is a schematic diagram of the combined state of the LED collimating optical lens and the LED light source of the present invention.

[0016] It should be noted that the accompanying drawings are not necessarily drawn to scale, but are shown only in a schematic manner without affecting the reader's understanding. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] In this invention, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing the invention and its embodiments, and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to be constructed and operated in a specific orientation.

[0019] Furthermore, in addition to indicating direction or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in certain situations to indicate a dependency or connection. Those skilled in the art can understand the specific meaning of these terms in this invention based on the specific circumstances.

[0020] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this invention based on the specific circumstances.

[0021] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, elements, or components (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, elements, or components. Unless otherwise stated, "a plurality of" means two or more.

[0022] It should also be understood that the terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the invention. As used in this specification and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0023] It should also be further understood that the term "and / or" as used in this specification and the appended claims refers to any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0024] like Figures 1 to 4 As shown, an LED collimating optical lens for a vision training and ophthalmic treatment device includes a base 1, in which a first planar convex lens 2, a second planar convex lens 3, and a double-sided convex lens 4 are arranged sequentially on the light output channel of an LED light source.

[0025] In this embodiment, the first planar convex mirror 2 is used to initially collimate the light beam emitted by the LED light source, making the beams approximately parallel and with roughly consistent emission angles, thereby forming a uniform light spot near the emission end of the first planar convex mirror 2. The second planar convex mirror 3 is used to further collimate and homogenize the initially collimated light beams, making them more parallel and their emission angles more consistent, further aligning the divergence angle of the beams towards the axis of the system. Simultaneously, by adding the second planar convex mirror 3 outside the first planar convex mirror 2, the image of the LED light source chip's light-emitting structure can be eliminated, preventing the chip image from interfering with the eyes. The light beam emitted from the second planar convex mirror 3 is then focused and collimated by the double-sided convex mirror 4, forming a highly uniform light spot at the distal end of the double-sided convex mirror 4. This LED collimating optical lens, through the combined action of three lenses, effectively converges the light and accurately projects it to the desired location, achieving a collimated light spot and high uniformity illumination effect, thus realizing effective phototherapy at a low manufacturing cost.

[0026] Furthermore, it also includes a third planar convex mirror, which is positioned between the second planar convex mirror 3 and the double-sided convex mirror 4. Specifically, the inventors discovered through numerous experiments that using a single-planar convex mirror results in low light collection efficiency and poor light collimation and uniformity; a double-planar convex mirror significantly improves the effect compared to a single-planar convex mirror; a triple-planar convex mirror still shows a slight improvement compared to a double-planar convex mirror; while using four or more planar convex mirrors offers only a slight improvement over a triple-planar convex mirror, making it difficult to distinguish the difference, and also increases cost and the size of the LED collimating optical lens. Therefore, using two or three planar convex mirrors yields the best effect and offers the most suitable cost-performance ratio.

[0027] Further, the base 1 includes a connecting seat 11, an adjusting positioning ring 12, and a focus adjustment seat 13; a first planar convex mirror 2 and a second planar convex mirror 3 are sequentially disposed in the connecting seat 11, and a double-sided convex mirror 4 is disposed at the upper end of the focus adjustment seat 13; the connecting seat 11 is provided with external threads, and the adjusting positioning ring 12 and the focus adjustment seat 13 are both provided with internal threads and are sequentially screwed into the external threads of the connecting seat 11 to adjust the distance and angle between the double-sided convex mirror 4 and the second planar convex mirror 3. Specifically, by adjusting the screw length between the focus adjustment seat 13 and the connecting seat 11, the distance and angle between the double-sided convex mirror 4 and the second planar convex mirror 3 are changed, so that the double-sided convex mirror 4 can achieve the best light-gathering and collimating effect; after adjustment, the adjusting positioning ring 12 is rotated until it contacts the focus adjustment seat 13 to limit the relative position of the focus adjustment seat 13 and the connecting seat 11.

[0028] Furthermore, the connecting seat 11 is also provided with an internal thread. The connecting seat 11 is provided with a first fixing inner ring 14 for fixing the first planar convex mirror 2 and a second fixing inner ring 15 for fixing the second planar convex mirror 3. Both the first fixing inner ring 14 and the second fixing inner ring 15 are provided with external threads and are screwed into the internal thread of the connecting seat 11 in sequence. Specifically, the connecting base 11 is provided with a platform for placing the first planar convex mirror 2. A light inlet hole is opened at the center of the platform, and a circular through hole is opened at the center of the first fixing inner ring 14 and the second fixing inner ring 15. When the first planar convex mirror 2 is placed on the platform in the connecting base 11, it is pressed and fixed by the first fixing inner ring 14, and the circular through hole of the first fixing inner ring 14 makes the center of the first planar convex mirror 2 and the center of the light inlet hole coaxial. Similarly, the second planar convex mirror 3 is placed above the first fixing inner ring 14 and pressed and fixed by the second fixing inner ring 15, and the circular through hole of the second fixing inner ring 15 makes the center of the second planar convex mirror 3, the first planar convex mirror 2 and the center of the light inlet hole coaxial. This realizes the functions of installing and fixing the second planar convex mirror 3 and the first planar convex mirror 2 and automatically calibrating the axis.

[0029] Furthermore, the lower end of the connector 11 is provided with an internal thread for screwing into the LED light source. Specifically, the LED light source is provided with an external thread mounting seat that mates with the internal thread at the lower end of the connector 11. An LED bead is installed in the mounting seat. By screwing the connector 11 into the mounting seat, the LED collimating optical lens is fixed to the LED light source, achieving collimation and uniformity of light, making assembly simple and convenient.

[0030] Regarding the embodiments of the present invention, it should also be noted that, without conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other to obtain new embodiments.

[0031] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. The scope of protection of the present invention should be determined by the scope of the claims. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. An LED collimating optical lens for a vision training and ophthalmic treatment device, characterized in that: The system includes a base, in which a first planar convex mirror, a second planar convex mirror, and a double-sided convex mirror are arranged sequentially on the light emission channel of the LED light source. The first planar convex mirror is used to initially collimate the light beam emitted by the LED light source to form a uniform light spot; The second planar convex mirror is used to further collimate the beam after initial collimation and to eliminate the image of the light-emitting structure of the LED light source chip; The double-sided convex mirror is used to focus and collimate the light beam, forming a highly uniform light spot at the far end; The base includes a connecting seat, an adjusting positioning ring, and a focus adjusting seat; The first planar convex mirror and the second planar convex mirror are sequentially disposed in the connecting seat, and the double-sided convex mirror is disposed at the upper end of the focal length adjustment seat; The connecting seat is provided with an external thread, and the adjusting positioning ring and the focal length adjusting seat are both provided with internal threads and are sequentially screwed into the external thread of the connecting seat to adjust the distance and included angle between the double-sided convex mirror and the second planar convex mirror.

2. The LED collimating optical lens of the vision training and ophthalmic treatment device according to claim 1, characterized in that: It also includes a third planar convex mirror, which is disposed between the second planar convex mirror and the double-sided convex mirror.

3. The LED collimating optical lens of the vision training and ophthalmic treatment device according to claim 1, characterized in that: The connecting seat is also provided with an internal thread. The connecting seat is provided with a first fixing inner ring for fixing the first planar convex mirror and a second fixing inner ring for fixing the second planar convex mirror. Both the first fixing inner ring and the second fixing inner ring are provided with external threads and are screwed into the internal thread of the connecting seat in sequence.

4. The LED collimating optical lens of the vision training and ophthalmic treatment device according to claim 3, characterized in that: The lower end of the connector is provided with an internal thread for screwing into the LED light source.

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