Light guide ring and beauty mirror with the light guide ring
By designing the aperture guide with the light inlet, middle and tail section, a uniform light output of 360 degrees is achieved, solving the problem of uneven light distribution of existing cosmetic mirrors and improving the makeup lighting effect.
Patent Information
- Application Number
- CN201911112683.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-11-14
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2039-11-14
AI Technical Summary
The existing cosmetic mirrors cannot guide light at 360 degrees, and the light distribution is uneven, resulting in poor makeup lighting effects.
A light guide is designed, and the inner surface of the circle body extends out of the light guide segment. The light guide segment includes the incoming light, the middle and the tail segments. The diffuse reflection and conduction of these segments make the entire circle emit light, achieving a uniform light output of 360 degrees.
It achieves uniform light emission of 360 degrees, improves the makeup lighting effect, and avoids the problems of uneven light distribution and glare.
Smart Images

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Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of lighting equipment, and in particular to a light guide ring and a beauty mirror having the light guide ring. Background Art
[0002] With the improvement of women's economy and status, modern women have more income and opportunities, and more and more women begin to pay attention to their appearance. Beauty mirrors with light-guiding devices can provide better quality and softer light sources, allowing female friends to stay beautiful at all times.
[0003] Existing makeup mirrors usually place LED lamp beads in the middle of the light guide ring. This method will cause the light to be concentrated in the middle of the light guide ring, causing glare. The light guide part cannot emit light 360 degrees, and there is no light in some parts, resulting in uneven light distribution, irritating the eyes, and failing to achieve a good makeup lighting effect. Summary of the invention
[0004] The main purpose of the present invention is to provide a light guide ring and a beauty mirror having the light guide ring, aiming to solve the technical problems that the existing beauty mirror cannot guide light 360 degrees, the light distribution is uneven, and the makeup lighting effect is poor.
[0005] To achieve the above-mentioned purpose, the light guide ring proposed in the present invention includes a ring body, and at least one light guide segment extends and protrudes from the inner ring surface of the ring body; the light guide segment includes a light entrance segment, a middle segment and a tail segment, the middle segment is connected between the light entrance segment and the tail segment, the light entrance segment includes a light entrance surface, the thickness of the light entrance segment gradually increases from the light entrance surface to the end where the light entrance segment is connected to the middle segment, and the thickness of the tail segment gradually increases from the end where the tail segment is connected to the middle segment to the end of the tail segment; the thickness of the end where the middle segment is connected to the light entrance segment is greater than the thickness of the end where the middle segment is connected to the tail segment.
[0006] Optionally, the light entrance section is smoothly connected to the middle section, and the middle section is smoothly connected to the tail section.
[0007] Optionally, the length of the middle section is greater than the length of the light incident section, and the length of the middle section is greater than the length of the tail section.
[0008] Optionally, the thickness of the middle section gradually decreases from one end where the middle section is connected to the light incident section to one end where the middle section is connected to the tail section.
[0009] Optionally, the middle section includes an odd number of first sub-middle sections with gradually increasing thickness and an even number of second sub-middle sections with gradually decreasing thickness, the second sub-middle sections are connected to the light entrance section or the tail section, and the first sub-middle section is connected between the second sub-middle sections.
[0010] Optionally, the light incident surface is a high-gloss surface, a coupling bowl is provided on the light incident surface, the bottom surface of the coupling bowl is a first refractive surface, the peripheral surface of the coupling bowl is a second refractive surface, the curvature radius of the first refractive surface is 2.5 mm, and the curvature radius of the second refractive surface is 6.5 mm.
[0011] Optionally, one side surface of the ring body is a light emitting surface, which is an etched surface or a highlight surface; the other side surface of the ring body is a bottom reflective surface, which is a highlight surface, and a hemispherical light-guiding grid is arranged on the bottom reflective surface.
[0012] Optionally, the outer ring surface of the ring body is an outer reflective surface, and reflective paper is pasted on the outer reflective surface or highly reflective paint is sprayed on the outer reflective surface.
[0013] Optionally, the inner side surface of the light guide segment is an inner reflective surface, and the inner reflective surface is a high-gloss surface; or the inner reflective surface is a high-gloss serrated surface, and the tooth depth of the high-gloss serrated surface is 0.5mm to 2mm, and the tooth front spacing is 0.5mm to 2mm.
[0014] To achieve the above-mentioned purpose, the present invention further provides a beauty mirror, which comprises a light source and a light guide ring as described in any one of the above items; the light source is arranged on one side of the light incident surface of the light guide ring, and the light emitted by the light source enters the light guide ring through the light incident surface.
[0015] In the technical solution proposed by the present invention, a light-guiding section is extended and protruded on the inner ring surface of the ring body, and the light-guiding section includes a light-entering section, a middle section and a tail section, and the middle section is connected between the light-entering section and the tail section, and the light-entering section includes a light-entering surface. Light enters the light-guiding section from the light-entering surface, and enters the ring body through conduction of the light-guiding section. After multiple diffuse reflections and conductions, the entire ring body is illuminated, and the light-guiding ring can emit light 360 degrees, and the light emission is uniform, and the lighting effect is good. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.
[0017] Figure 1 It is a front view structural schematic diagram of the light guide ring of the present invention;
[0018] Figure 2 It is a structural schematic diagram of a light guide segment in a second embodiment of a light guide ring of the present invention;
[0019] Figure 3Schematic diagram of the structure of the third embodiment of the light guide ring of the present invention;
[0020] Figure 4 It is a structural schematic diagram of a light guide segment in a fourth embodiment of a light guide ring of the present invention;
[0021] Figure 5 It is a schematic structural diagram of the inner reflective surface in another embodiment of the light guide ring of the present invention;
[0022] Figure 6 is a schematic diagram of the cross-sectional structure of the light guide ring of the present invention;
[0023] Figure 7 for Figure 6 A schematic diagram of the enlarged structure of part A;
[0024] Figure 8 is a rear view structural schematic diagram of the light guide ring of the present invention;
[0025] Fig. 9 It is a schematic diagram of the disassembled structure of the beauty mirror of the present invention.
[0026] Description of Figure Numbers:
[0027] Label name Label name 100 Aperture 23 First refractive surface 10 Circle 24 Second refractive surface 11 External reflective surface 25 Light section 12 Inner reflective surface 26 Middle 13 High gloss jagged surface 261 The first sub-section 14 Bottom reflective surface 262 second middle section 15 Light emitting surface 27 End 17 Light guide points 30 LED Light Board 20 Light guide section 40 Mirror 21 Light incident surface 50 Outer decorative ring 22 Coupling bowl 60 Back shell
[0028] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0030] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0031] In addition, in the present invention, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0032] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0033] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.
[0034] The present invention provides a light guide ring 100 .
[0035] See also Figure 1 In an embodiment of the present invention, the light guide ring 100 includes a ring body 10, and at least one light guide segment 20 extends and protrudes from the inner ring surface of the ring body 10; the light guide segment 20 includes a light input segment 25, a middle segment 26 and a tail segment 27, the middle segment 26 is connected between the light input segment 25 and the tail segment 27, the light input segment 25 includes a light input surface 21, the thickness of the light input segment 25 gradually increases from the light input surface 21 to the end where the light input segment 25 is connected to the middle segment 26, and the thickness of the tail segment 27 gradually increases from the end where the tail segment 27 is connected to the middle segment 26 to the end of the tail segment 27; the thickness of the end where the middle segment 26 is connected to the light input segment 25 is greater than the thickness of the end where the middle segment 26 is connected to the tail segment 27.
[0036] In the technical solution proposed by the present invention, a light guiding segment 20 is extended and protruded on the inner ring surface of the ring body 10, and the light guiding segment 20 includes a light input segment 25, a middle segment 26 and a tail segment 27. The middle segment 26 is connected between the light input segment 25 and the tail segment 27. The light input segment 25 includes a light input surface 21. Light enters the light guiding segment 20 from the light input surface 21, and enters the ring body 10 through conduction of the light guiding segment 20. After multiple diffuse reflections and conductions, the entire ring body 10 is illuminated. The light guide ring 100 can emit light 360 degrees, and the light output is uniform, and the lighting effect is good.
[0037] As a preferred implementation manner, the light incident section 25 is smoothly connected to the middle section 26 , and the middle section 26 is smoothly connected to the tail section 27 .
[0038] Specifically, see Figure 2In the second embodiment of the present invention, the connection between the light incident section 25, the middle section 26 and the tail end 27 may also be a non-smooth connection.
[0039] Furthermore, the length of the middle section 26 is greater than the length of the light incident section 25 , and the length of the middle section 26 is greater than the length of the tail section 27 .
[0040] Furthermore, the thickness of the middle section 26 gradually decreases from one end of the middle section 26 connected to the light incident section 25 to one end of the middle section 26 connected to the tail section 27 .
[0041] See also Figure 3 In the third embodiment of the present invention, the thickness of the light incident section 25 gradually decreases from the light incident surface 21 to the end where the light incident section 25 is connected to the middle section 26, and the thickness of the tail section 27 gradually decreases from the end where the tail section 27 is connected to the middle section 26 to the end of the tail section 27; the thickness of the end where the middle section 26 is connected to the light incident section 25 is less than the thickness of the end where the middle section 26 is connected to the tail section 27.
[0042] Furthermore, the thickness of the middle section 26 gradually increases from one end of the middle section 26 connected to the light incident section 25 to one end of the middle section 26 connected to the tail section 27 .
[0043] See also Figure 4 In the fourth embodiment of the present invention, the middle section 26 includes an odd number of first sub-middle sections 261 with gradually increasing thickness and an even number of second sub-middle sections 262 with gradually decreasing thickness, the second sub-middle sections 262 are connected to the light incident section 25 or the tail section 27, and the first sub-middle section 261 is connected between the second sub-middle sections 262.
[0044] In different embodiments of the present invention, there may be multiple light guide segments 20 , and the multiple light guide segments 20 are uniformly arranged at intervals along the clockwise or counterclockwise direction of the ring body 10 , and the intervals between each light guide segment 20 are specifically the same.
[0045] For further information, see Figure 5 The light incident surface 21 is close to an LED light board 30, and 6 to 12 dual-color temperature LED lamp beads are arranged on the LED light board 30. The light incident surface 21 is a high-gloss surface, which is a surface with high surface smoothness after polishing, which can improve the incident efficiency of light.
[0046] Please also refer to Figure 6 and Figure 7The light incident surface 21 is provided with a coupling bowl 22, which is a bowl-shaped groove, the bottom surface of the coupling bowl 22 is a first refractive surface 23, the peripheral surface of the coupling bowl 22 is a second refractive surface 24, the curvature radius of the first refractive surface 23 is 2.5 mm, and the curvature radius of the second refractive surface 24 is 6.5 mm. The coupling bowl 22 can improve the utilization rate of light energy and make the dual-color temperature LED lamp mix light evenly.
[0047] For details, please refer again to Figure 1 One side of the ring body 10 is a light emitting surface 15, and the light emitting surface 15 is an etched surface or a high-gloss surface. The etched surface is a surface that has been etched. The light emitting surface 15 is a curved surface or a plane, and the cross-sectional line of the light emitting surface 15 is a spline curve or a straight line.
[0048] For details, please refer to Figure 8 In the embodiment of the present invention, one side of the ring body 10 is the bottom reflective surface 14, the inner side of the light guide segment 20 is the inner reflective surface 12, and both the bottom reflective surface 14 and the inner reflective surface 12 are high-gloss surfaces. In order to enhance the light uniformity effect, pulse laser engraving technology is used to make 3D hemispherical light guide dots 17 on the bottom reflective surface 14 and the inner reflective surface 12. In other embodiments, the light guide dots 17 can also be made using gradient silk screen printing technology or gradient etching technology to improve the light energy utilization rate and make the dual-color temperature LED light mixing uniform.
[0049] As a preferred implementation, please refer to Figure 5 In other embodiments, the inner reflective surface 12 may also be a high-gloss sawtooth surface 13, which is a high-gloss surface with sawtooth. Since the LED light is a near-Lambertian light source, the light is bright in the middle and dark around the periphery. In order to achieve uniform illumination, eliminate glare, and destroy total reflection, the tooth depth of the high-gloss sawtooth surface 13 is set to 0.5mm-2mm, and the tooth front spacing is set to 0.5mm-2mm.
[0050] Specifically, the outer ring surface of the ring body 10 is an outer reflective surface 11, and reflective paper or highly reflective paint is pasted on the outer reflective surface 11. The reflective paper and reflective paint can have the characteristics of high reflectivity, and the light attenuation is small when reflected in the light guide ring 100, and the light utilization rate is high.
[0051] See also Fig. 9The present invention further provides a beauty mirror, which includes a light source and a light guide ring 100 as described in any of the above embodiments, wherein the light source is the above-mentioned LED light board 30; the beauty mirror also includes a mirror surface 40, an outer decorative ring 50 and a rear shell 60, wherein the mirror surface 40 is adhered to the light emitting surface 15 of the light guide ring 100, and the connection between the mirror surface 40 and the light emitting surface 15 of the light guide ring 100 is transparent and can transmit light; the rear shell 60 is arranged on the bottom reflective surface 14 of the light guide ring 100, and the rear shell 60 cannot transmit light, the outer decorative ring 50 is sleeved on the outer reflective surface 11, and is arranged closely to the ring body, the mirror surface 40, the outer decorative ring 50 and the rear shell 60 package the light guide ring 100 inside, and the light guide ring 100 is made of transparent material.
[0052] The present invention utilizes a light guide ring 100 of the transmission light guiding type, and simultaneously improves the uniformity of the light emitting surface 15 and the light guiding efficiency of the light guide ring 100, thereby achieving a good light guiding effect. The annular light guide ring 100 adopts the transmission light guiding type soft light technology, and the light uniformity is as high as 99%, and the brightness can be freely and infinitely adjusted. The mirror surface 40 has no gaps, and evenly illuminates the entire face, and there is no dead angle when applying makeup, and 360-degree light guiding technology. At the same time, it can effectively improve the uniformity of the light emitting surface 15 and the softness of the light, ensuring that the diffuse reflection light guide ring 100 has a high light guiding efficiency and a good light guiding effect.
[0053] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.
Claims
1. A light guide ring, characterized in that: It comprises a ring body, and at least one light-guiding section is extended and protruded on the inner ring surface of the ring body; the light-guiding section comprises a light-entering section, a middle section and a tail section, the middle section is connected between the light-entering section and the tail section, the light-entering section comprises a light-entering surface, the thickness of the light-entering section gradually increases from the light-entering surface to the end where the light-entering section is connected to the middle section, and the thickness of the tail section gradually increases from the end where the tail section is connected to the middle section to the end of the tail section; the thickness of the end where the middle section is connected to the light-entering section is greater than the thickness of the end where the middle section is connected to the tail section; A coupling bowl is provided on the light incident surface, the bottom surface of the coupling bowl is a first refractive surface, and the peripheral surface of the coupling bowl is a second refractive surface. Light enters the light guide segment from the coupling bowl of the light incident surface and enters the ring body through conduction of the light guide segment.
2. The light guide ring according to claim 1, wherein: The light incident section is smoothly connected to the middle section, and the middle section is smoothly connected to the tail section.
3. The light guide ring according to claim 1, wherein: The length of the middle section is greater than the length of the light incident section, and the length of the middle section is greater than the length of the tail section.
4. The light guide ring according to any one of claims 1 to 3, characterized in that: The thickness of the middle section gradually decreases from one end where the middle section is connected to the light incident section to one end where the middle section is connected to the tail section.
5. The light guide ring according to claim 1, wherein: The middle section includes an odd number of first sub-middle sections with gradually increasing thickness and an even number of second sub-middle sections with gradually decreasing thickness. The second sub-middle sections are connected to the light incident section or the tail section, and the first sub-middle sections are connected between the second sub-middle sections.
6. The light guide ring according to claim 1, wherein: The light incident surface is a high light surface, the curvature radius of the first refractive surface is 2.5 mm, and the curvature radius of the second refractive surface is 6.5 mm.
7. The light guide ring according to claim 1, wherein: One side surface of the ring body is a light emitting surface, which is an etched surface or a highlight surface; the other side surface of the ring body is a bottom reflective surface, which is a highlight surface, and a hemispherical light guiding grid point is arranged on the bottom reflective surface.
8. The light guide ring according to claim 1, wherein: The outer ring surface of the ring body is an outer reflective surface, and reflective paper is pasted on the outer reflective surface or highly reflective paint is sprayed on the outer reflective surface.
9. The light guide ring according to claim 1, wherein: The inner side surface of the light guide segment is an inner reflective surface, and the inner reflective surface is a high-gloss surface; or the inner reflective surface is a high-gloss serrated surface, and the tooth depth of the high-gloss serrated surface is 0.5mm~2mm, and the tooth front spacing is 0.5mm~2mm.
10. A makeup mirror, characterized in that: It comprises a light source and a light guide ring as described in any one of claims 1 to 8; the light source is arranged on one side of a light incident surface of the light guide ring, and light emitted by the light source enters the light guide ring through the light incident surface.
Citation Information
Patent Citations
Circular light guide plate and light supplementing cosmetic mirror adopting light guide plate
CN208821833U
Light guide ring and cosmetic mirror with same
CN210605063U