Large wide-angle spreadlight lens and lamp

By designing a wide-angle polarized lens, using a symmetrical convex hull and reflective surface structure to change the light path, and combining a wavy output surface and a conical entrance hole, the problem of insufficient wide-angle light spot structure of existing lenses in lamps is solved, achieving a more uniform and wider-range lighting effect.

CN223448211UActive Publication Date: 2025-10-17YANGZHOU LEDLINK OPTICS
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423179821.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-10-17
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing diffuser lenses make it difficult to achieve a wide-angle light spot structure in lamps, resulting in insufficient lighting uniformity and illumination range.

Method used

A wide-angle polarized lens is designed. By configuring symmetrical first and second convex hulls on the lens, setting multiple reflective surfaces to change the optical path structure, and adopting a wavy structure on the output surface to increase the output angle, combined with a tapered incident aperture design, a large range of refraction and overlap of light can be achieved.

Benefits of technology

The formation of a large wide-angle light spot structure is achieved, the lighting uniformity and illumination range are improved, and the lighting effect of the lamp is enhanced.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223448211U_ABST
    Figure CN223448211U_ABST
Patent Text Reader

Abstract

A first convex hull and a second convex hull which are provided with incident holes are arranged at the lower end of the lens, the first convex hull is provided with a first reflecting surface A and a first reflecting surface B, the second convex hull is provided with a second reflecting surface A and a second reflecting surface B. The first reflecting surface A is arranged on the peripheral surface of one side facing the center of the lens, and the second reflecting surface B is arranged on the peripheral surface of the other side facing the center of the lens. The first reflecting surface A is arranged on the outer peripheral surface of one side of the lens, the first reflecting surface B is arranged on the outer peripheral surface of the other side, the second reflecting surface A is arranged on the outer peripheral surface of one side facing the center of the lens, the second reflecting surface B is arranged on the outer peripheral surface of the other side, the first reflecting surface A, the first reflecting surface B, the second reflecting surface A and the second reflecting surface B are bent towards the emergent surface, and the bending degree is larger at the position closer to the emergent surface. The first reflecting surface A is matched with the first reflecting surface B for reflecting to change the light path structure, the second reflecting surface A is matched with the second reflecting surface B for reflecting to change the light path structure, emergent light with a large inclination angle is formed on the two sides of the lens, and therefore a large-range aperture structure is deflected.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a lens technical field, especially a big wide-angle polarizing lens and lamp. BACKGROUND

[0002] The lens is very widely used in the field of lamps and lanterns, and it is mainly used for adjusting and controlling the emission direction and distribution of light, so as to improve the lighting efficiency and improve the visual experience. There are various types of lenses, including converging lenses, diffusing lenses and reflecting lenses, etc. These lenses have different optical properties and can meet different lighting needs.

[0003] At present, the diffusing lens is very widely used in the field of lamps and lanterns, and its main function is to make the light more soft and wide, reduce the contrast between light and dark, and improve the lighting uniformity. The diffusing lens has a wide demand in indoor lighting, outdoor lighting and shopping mall lighting. It is necessary to design a corresponding lens for the above-mentioned demand. INVENTION CONTENT

[0004] The embodiment of the application provides a big wide-angle polarizing lens for enlarging the illumination area of a light source. The embodiment of the application provides a lamp adopting the big wide-angle polarizing lens.

[0005] The first aspect of the application provides a big wide-angle polarizing lens, the upper end of the lens is configured with an exit surface, the lower end is configured with a first protrusion and a second protrusion, the first protrusion has at least one first convex hull, and the second protrusion has at least one second convex hull.

[0006] The first convex hull and the second convex hull are both provided with an incident hole, the first convex hull has a first reflection surface A and a first reflection surface B, the second convex hull has a second reflection surface A and a second reflection surface B, the first reflection surface A is arranged on the outer peripheral surface of the side facing the lens center, the first reflection surface B is arranged on the outer peripheral surface of the side away from the lens center, the second reflection surface A is arranged on the outer peripheral surface of the side facing the lens center, and the second reflection surface B is arranged on the outer peripheral surface of the side away from the lens center. The first reflection surface A, the first reflection surface B, the second reflection surface A and the second reflection surface B are all curved towards the direction of the exit surface, and the degree of curvature is greater at the position closer to the exit surface. At the same height position, the degree of curvature of the first reflection surface A is greater than that of the first reflection surface B, and the degree of curvature of the second reflection surface A is greater than that of the second reflection surface B.

[0007] The beneficial effects of the above embodiments are that: by configuring the first convex and the second convex, the first reflecting surface A cooperates with the first reflecting surface B to change the light path structure, and the second reflecting surface A cooperates with the second reflecting surface B to change the light path structure, and large-angle outgoing light rays are formed on both sides of the lens, so that the lens can deflect a large-range aperture structure, and has an overlapping area, and therefore the lens can form a large-FOV light spot structure.

[0008] On the basis of the above embodiments, the embodiments of the present application can also be improved as follows:

[0009] In one of the embodiments of the present application: the first convex and the second convex are symmetrical structures. The beneficial effect of this step is that the light spot can be uniform.

[0010] In one of the embodiments of the present application: the first convex is multiple and continuously arranged at the bottom of the lens, the second convex is multiple and continuously arranged at the bottom of the lens, and the first convex and the second convex between adjacent ones have gaps. The beneficial effect of this step is that multiple continuous first convexes and second convexes are used to refract light rays in a large-FOV and large-range, so as to further expand the light spot range.

[0011] In one of the embodiments of the present application: the hole wall of the incident hole is a conical structure with a large end at the bottom and a small end at the top. The beneficial effect of this step is that the hole wall of the incident hole is designed to make the light rays further tilt towards the direction of the first reflecting surface A, the first reflecting surface B, the second reflecting surface A or the second reflecting surface B after being incident into the lens.

[0012] In one of the embodiments of the present application: the outgoing surface is a continuous wave-shaped structure. The beneficial effect of this step is that the wave-shaped structure of the outgoing surface refracts the light rays, which can increase the outgoing angle of the outgoing light rays, that is, the outgoing light rays further form a large-FOV structure.

[0013] The second aspect of the present application provides a lamp comprising the large-FOV polarizing lens. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual proportions.

[0015] Figure 1 It is a structural schematic diagram of the first embodiment;

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the first embodiment;

[0017] Figure 3 Figure 1 is a schematic diagram of the optical path of the embodiment one;

[0018] Figure 4 Figure 2 is a schematic diagram of the structure of the embodiment two;

[0019] Figure 5 Figure 3 is a schematic diagram of the three-dimensional structure of the embodiment two;

[0020] Figure 6 Figure 4 is a schematic diagram of the optical path of the embodiment two.

[0021] Wherein, 1 first convex hull, 2 second convex hull, 3 incident hole, 4 first reflection surface A, 5 first reflection surface B, 6 second reflection surface A, 7 second reflection surface B, 8 positioning column A, 9 positioning column B. DETAILED DESCRIPTION

[0022] In the present application, unless otherwise explicitly specified and limited, the terms in the present application should be understood in a broad sense, such as the connection can be fixed connection, can also be detachable connection or integrated, can be directly connected, can also be indirectly connected through intermediate medium. For those skilled in the art, different terms in the present application can be understood according to the specific meaning in the specific context, and the scope of the specific meaning should be limited to the function of the present application.

[0023] In the description of the present application, it should be understood that the orientation terms or position relationship descriptions are based on the orientation or position relationship shown in the drawings, or based on the orientation or position relationship in actual use, only for the convenience of describing the content of the present application and simplifying the description, and not indicating or implying that the device or element must have a specific orientation, structure and operation, therefore, it cannot be understood as a limitation of the present application.

[0024] Embodiment one

[0025] As Figure 1 , 2As shown in the figure, a large wide-angle polarizing lens is provided with an exit surface at the upper end of the lens and a first protrusion and a second protrusion at the lower end of the lens, the first protrusion has at least one first convex 1, and the second protrusion has at least one second convex 2; the first convex 1 and the second convex 2 are both provided with an incident hole 3, the first convex 1 has a first reflection surface A4 and a first reflection surface B5, the second convex 2 has a second reflection surface A6 and a second reflection surface B7, the first reflection surface A4 is arranged on the outer peripheral surface on the side facing the center of the lens, the first reflection surface B5 is arranged on the outer peripheral surface on the side away from the center of the lens, the second reflection surface A6 is arranged on the outer peripheral surface on the side facing the center of the lens, and the second reflection surface B7 is arranged on the outer peripheral surface on the side away from the center of the lens, the first reflection surface A4, the first reflection surface B5, the second reflection surface A6 and the second reflection surface B7 are all curved towards the direction of the exit surface and the degree of curvature increases as the position approaches the exit surface, at the same height position, the degree of curvature of the first reflection surface A4 is greater than that of the first reflection surface B5, and the degree of curvature of the second reflection surface A6 is greater than that of the second reflection surface B7.

[0026] Specifically, as shown in the figure, Figure 1 , 2 the upper end of the lens is a plate structure, and a first convex 1 and a second convex 2 are respectively provided on the lower end of the plate structure, and the first convex 1 and the second convex 2 have a gap therebetween.

[0027] Specifically, as shown in the figure, Figure 1 , 2 the first convex 1 and the second convex 2 are symmetrical structures, and through the symmetrical structures, the light spots can be uniformly emitted.

[0028] Specifically, as shown in the figure, Figure 1 the hole wall of the incident hole 3 is a tapered structure with a large end at the bottom and a small end at the top, and through the design of the hole wall of the incident hole 3, the light rays are further inclined towards the direction of the first reflection surface A4, the first reflection surface B5, the second reflection surface A6 or the second reflection surface B7 after being incident into the lens.

[0029] Specifically, as shown in the figure, Figure 1 the exit surface is a continuous wavy structure, and through the wavy structure of the exit surface, the exit angle of the refracted light rays can be increased, that is, the exit light rays are further formed into a large wide-angle structure, and the light spots are uniformly emitted.

[0030] As shown in the figure, Figure 3 by arranging the first convex 1 and the second convex 2, the light path structure is changed by the cooperation of the first reflection surface A4 and the first reflection surface B5, and the light path structure is changed by the cooperation of the second reflection surface A6 and the second reflection surface B7, and large-angled exit light rays are respectively formed on both sides of the lens, so that the lens can deflect a large range of aperture structure and has an overlapping area, and therefore the lens can form a large wide-angle light spot structure.

[0031] Embodiment two

[0032] As shown in Figure 4 , 5 , embodiment two differs from embodiment one in that the first convex bump 1 is two and is arranged continuously at the bottom of the lens, the second convex bump 2 is two and is arranged continuously at the bottom of the lens, and there is a gap between adjacent first convex bump 1 and second convex bump 2. A large wide-angle, large-range refraction of light is achieved by a plurality of continuous first convex bump 1 and second convex bump 2, thereby further expanding the light spot range.

[0033] Specifically, as shown in Figure 4 , 5 , 6, the lens is further provided with two positioning columns A8 and positioning columns B9, respectively. One of the positioning columns A8 and the positioning columns B9 are located on both sides of the two first convex bumps 1, and the other positioning columns A8 and the positioning columns B9 are located on both sides of the two second convex bumps 2. The positioning column A8 has a plug-in end, and the positioning column B9 has a plug-in slot. The plug-in end and the plug-in slot are respectively inserted or sleeved with the corresponding structure in the lamp cover for positioning, so as to position the lens in the lamp cover.

[0034] Embodiment three

[0035] A lamp, comprising the large wide-angle polarizing lens disclosed in embodiment one or embodiment two.

[0036] The above is only an embodiment of the present application, and the specific structure and characteristics of the scheme known in the art are not described in detail. The ordinary skilled person in the art knows all the ordinary technical knowledge in the technical field of the application before the filing date or the priority date, can know all the prior art in the field, and has the ability to apply conventional experimental means before that date. The ordinary skilled person in the art can improve and implement the present scheme based on their own ability under the guidance of the present application. Some typical known structures or known methods should not be an obstacle for the ordinary skilled person in the art to implement the present application. It should be noted that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application. These will not affect the effect and practicality of the present application.

Claims

1. A wide-angle polarized lens, characterized in that: The lens is provided with an exit surface at the upper end and a first convex block and a second convex block at the lower end, wherein the first convex block has at least one first convex hull and the second convex block has at least one second convex hull; Both the first convex hull and the second convex hull are provided with an incident hole, the first convex hull has a first reflecting surface A and a first reflecting surface B, the second convex hull has a second reflecting surface A and a second reflecting surface B, the first reflecting surface A is arranged on the outer peripheral surface facing the center of the lens, the first reflecting surface B is arranged on the outer peripheral surface away from the center of the lens, the second reflecting surface A is arranged on the outer peripheral surface facing the center of the lens, and the second reflecting surface B is arranged on the outer peripheral surface away from the center of the lens, the first reflecting surface A, the first reflecting surface B, the second reflecting surface A, and the second reflecting surface B are all curved toward the exit surface, and the closer to the exit surface, the greater the degree of curvature. At the same height, the curvature of the first reflecting surface A is greater than that of the first reflecting surface B, and the curvature of the second reflecting surface A is greater than that of the second reflecting surface B.

2. The wide-angle polarized lens according to claim 1, characterized in that: The first convex hull and the second convex hull are symmetrical structures.

3. The wide-angle polarized lens according to claim 1, characterized in that: There are a plurality of first convex hulls which are continuously arranged at the bottom of the lens, and there are a plurality of second convex hulls which are continuously arranged at the bottom of the lens, and there are gaps between adjacent first convex hulls and second convex hulls.

4. The wide-angle polarized lens according to claim 1, characterized in that: The hole wall of the incident hole is a conical structure with the large end at the bottom and the small end at the top.

5. The wide-angle polarized lens according to claim 1, characterized in that: The emitting surface is a continuous wavy structure.

6. A lamp, characterized in that: The invention comprises the wide-angle polarized lens according to any one of claims 1 to 5.