Lamp board

By setting spherical protrusions and light guide teeth on the light-incident surface of the light guide component, the light is dispersed, solving the problem of uneven light on the light sign and improving the uniformity of light and the user's viewing experience.

CN223638085UActive Publication Date: 2025-12-05GUANGZHOU SHIYUAN ELECTRONICS CO LTD +1
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Patent Information

Application Number
CN202422966025.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-12-05
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

Uneven lighting on the signboard causes shadows, affecting the user's viewing experience.

Method used

Multiple arrayed spherical protrusions are set on the first light-incident surface of the light guide component of the light sign, and multiple light-incident teeth are set on the second light-incident surface. The light is scattered by refraction and reflection, so that the light enters the light guide component more evenly.

Benefits of technology

It improves the uniformity of light, reduces the generation of lamp shadows, and enhances the user's viewing experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the utility model relates to the technical field of indicator lamps, and discloses a lamp board which comprises a shell, a light guide part and a lamp set, and the shell is provided with a mounting hole communicated with the outside; the light guide part is provided with a first light inlet surface, a second light inlet surface and a light outlet surface, at least part of the light guide part penetrates through the mounting hole, at least part of the light outlet surface is exposed to the outside, the first light inlet surface is provided with a plurality of spherical protrusions distributed in an array mode, and the second light inlet surface is provided with a plurality of first light guide teeth distributed at intervals; the lamp set is installed on the shell, the lamp set and the light guide part are spaced, and the first light inlet face and the second light inlet face both face the lamp set, so that part of light emitted by the lamp set enters the light guide part from the first light inlet face and is emitted out from the light outlet face, and the other part of light emitted by the lamp set enters the light guide part from the second light inlet face and is emitted out from the light outlet face. The spherical protrusions and the first light guide teeth are used for refracting and reflecting at least part of light entering the light guide part. According to the embodiment of the invention, the generation of lamp shadows can be reduced.
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Description

TECHNICAL FIELD

[0001] The embodiment of the present application relates to the technical field of indicating lamp, in particular to a lamp board. BACKGROUND

[0002] In the commercial or educational scene, different colors are usually displayed by the lamp board to remind the user. The lamp board has a light guide, and the light emitted by the lamp beads in the lamp board is guided by the light guide and emitted to the outside.

[0003] In the related art, the light emitted by the lamp beads is not uniform, which leads to the non-uniform light emitted from the light guide, so that the lamp board is prone to have the lamp shadow, resulting in the poor visual experience of the user. CONTENT OF THE UTILITY MODEL

[0004] The technical problem solved by the embodiment of the present application is to provide a lamp board which can improve the uniformity of the light and reduce the generation of the lamp shadow.

[0005] To solve the above technical problem, the technical scheme adopted by the embodiment of the present application is to provide a lamp board, which comprises a shell, a light guide and a lamp group, the shell is provided with a mounting hole communicating with the outside; the light guide is provided with a first light entrance surface, a second light entrance surface and a light exit surface, the light guide is installed on the shell, at least part of the light guide is arranged in the mounting hole, at least part of the light exit surface is exposed to the outside, the first light entrance surface is provided with a plurality of arrayed spherical protrusions, and the second light entrance surface is provided with a plurality of spaced first light guide teeth; the lamp group is installed on the shell, the lamp group is spaced from the light guide, and the first light entrance surface and the second light entrance surface are both directed to the lamp group, so that part of the light emitted by the lamp group enters the light guide from the first light entrance surface and is emitted from the light exit surface, and another part of the light emitted by the lamp group enters the light guide from the second light entrance surface and is emitted from the light exit surface, wherein the spherical protrusions are used for refracting and reflecting at least part of the light entering the light guide from the first light entrance surface, and the first light guide teeth are used for refracting and reflecting at least part of the light entering the light guide from the second light entrance surface. In the embodiment, a plurality of arrayed spherical protrusions are arranged on the first light entrance surface, when the light irradiates the spherical protrusions, the spherical protrusions can refract and reflect the light, so as to scatter the light, so that the light is more uniformly entered into the light guide from the first light entrance surface, which is beneficial to improve the uniformity of the light emitted from the light exit surface and reduce the generation of the lamp shadow, thereby improving the visual experience of the user and reducing the visual discomfort to the user. In addition, compared with other shapes (such as conical shape), the refractive path of the light by the spherical protrusions is more uniform, and the structure is more stable. Furthermore, the first light guide teeth are arranged on the second light entrance surface, when the light irradiates the first light guide teeth, the first light guide teeth can refract and reflect the light, so as to scatter the light, so that the light is more uniformly entered into the light guide from the second light entrance surface, which can further improve the uniformity of the light and reduce the generation of the lamp shadow.

[0006] In some embodiments, the second light-incident surface is provided with a plurality of second light-guiding teeth distributed at intervals, and the first light-guiding teeth and the second light-guiding teeth are opposite to each other along a first direction, which is perpendicular to the arrangement direction of the lamp group and the light guide. In the present embodiment, the uniformity of the light can be further improved and the generation of the lamp shadow can be reduced by providing the second light-guiding teeth on the second light-incident surface.

[0007] In some embodiments, the light guide is provided with a light mixing groove on the side facing the lamp group, and the first light-incident surface constitutes a bottom wall of the light mixing groove. In the present embodiment, the space for light mixing is formed between the first light-incident surface and the lamp group by providing the light mixing groove, which is beneficial to improve the uniformity of the light and reduce the generation of the lamp shadow.

[0008] In some embodiments, the lamp panel includes a light-shielding sheet, and the light- emitting surface is provided with a groove, and the light-shielding sheet is accommodated in the groove. By providing the light-shielding sheet, the light-shielding sheet is used to shield part of the light-emitting surface to shape the pattern formed by the light.

[0009] In some embodiments, the light guide includes a mounting portion and a protruding portion, the protruding portion is connected with the mounting portion, the mounting portion is fixed to the inner wall of the shell, the protruding portion is arranged in the mounting hole, the light-emitting surface and the first light-incident surface are arranged on the protruding portion, and the second light-incident surface is arranged on the mounting portion.

[0010] In some embodiments, the mounting portion is fixed to the inner wall of the shell by adhesive. By fixing with adhesive, the assembly is simple and the connection is stable.

[0011] In some embodiments, the lamp panel includes a connecting piece, one end of the connecting piece is fixed with the lamp group, and the other end of the connecting piece is fixed with the shell. In the present embodiment, the lamp group and the shell are fixed by providing the connecting piece, without the need to provide a structure on the shell for mounting and cooperating with the lamp group, and only the mounting and fixing between the connecting piece is needed, which is beneficial to simplify the structure of the shell and facilitate the installation and layout of the lamp group.

[0012] In some embodiments, the lamp panel includes a plurality of fasteners, the lamp group and the connecting piece are fixed by one fastener, and the connecting piece and the shell are fixed by another fastener. The lamp group, the connecting piece and the shell are fixed by the fasteners, and the connection is stable.

[0013] In some embodiments, the lamp group includes a circuit board and a plurality of lamp beads, the plurality of lamp beads are arranged at intervals on the circuit board along a third direction, and the projections of the plurality of lamp beads are all located within the projection of the light guide along a second direction, the second direction is parallel to the arrangement direction of the light-emitting surface, the first light-incident surface and the lamp group, and the third direction is perpendicular to the second direction. By making the projections of the plurality of lamp beads all located within the projection of the light guide, the light emitted by the lamp beads enters the light guide from the first light-incident surface or the second light-incident surface, which is beneficial to improve the utilization rate of the light; in addition, by providing the plurality of lamp beads, the brightness of the lamp panel can be improved.

[0014] In some embodiments, the number of light guides and the number of lamp groups are both two, the shell is provided with two mounting holes distributed oppositely, at least part of a light guide is arranged in a mounting hole, at least part of each light guide is exposed to the outside, the first light-incident surface of each light guide is provided with a plurality of array-distributed spherical protrusions, the first light-incident surface of a light guide is located between a lamp group and the light-egress surface of a light guide, part of light emitted by a lamp group enters a light guide from the first light-incident surface of a light guide and is emitted from the light-egress surface of the light guide. By arranging two light guides and two lamp groups, the light board can emit light in at least two positions, which is beneficial to expand the use of the light board and expand the application scenario of the light board.

[0015] The beneficial effects of the embodiments of the present application are: different from the prior art, in the embodiments of the present application, a plurality of array-distributed spherical protrusions are arranged on the first light-incident surface, when light irradiates the spherical protrusions, the spherical protrusions can refract and reflect the light, so as to scatter the light, so that the light enters the light guide from the first light-incident surface more uniformly, which is beneficial to improve the uniformity of the light emitted from the light-egress surface, reduce the generation of light shadow, and thus improve the user's perception and reduce the visual discomfort to the user; in addition, the first light guide tooth is arranged on the second light-incident surface, when the light irradiates the first light guide tooth, the first light guide tooth can refract and reflect the light, so as to scatter the light, so that the light enters the light guide from the second light-incident surface more uniformly, which can further improve the uniformity of the light and reduce the generation of light shadow. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the specific embodiments of the present application or 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.

[0017] Figure 1 is a light-emitting luminance distribution diagram of a lamp bead;

[0018] Figure 2 is a structural schematic diagram of a light board at a first viewing angle provided in the embodiments of the present application;

[0019] Figure 3 is an exploded structural schematic diagram of a light board provided in the embodiments of the present application;

[0020] Figure 4 is a structural schematic diagram of a light board at a second viewing angle provided in the embodiments of the present application;

[0021] Figure 5 is Figure 4 a cross-sectional structural schematic diagram of A-A in

[0022] Figure 6 is Figure 5 is an enlarged view of the area indicated by B in FIG. 1;

[0023] Figure 7 is a structural schematic view of a light guide provided in an embodiment of the present application;

[0024] Figure 8 is Figure 7 is an enlarged view of the area indicated by D in FIG. 2;

[0025] Figure 9 is a structural schematic view of a plurality of first light guide teeth provided in an embodiment of the present application;

[0026] Figure 10 is Figure 3 is an enlarged view of the area indicated by A in FIG. 3;

[0027] Figure 11 is a structural schematic view of a light board in a third perspective provided in an embodiment of the present application;

[0028] Figure 12 is a structural schematic view of a housing provided in an embodiment of the present application;

[0029] Figure 13 is Figure 5 is a large view of the area indicated by C in FIG. 4.

[0030] Label Explanation

[0031]

[0032] DETAILED DESCRIPTION

[0033] In order to facilitate the understanding of the present application, the present application will be described in more detail below in conjunction with the drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element or one or more intervening elements can be present therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element or one or more intervening elements can be present therebetween. The terms "upper", "lower", "inner", "outer", "vertical", "horizontal", and the like used in the present specification indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance.

[0034] Unless otherwise defined, all technical and scientific terms used in the present disclosure have the same meanings as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. All publications, patent applications, patents, and other references mentioned in this specification are herein incorporated by reference in their entirety for the purpose of describing and disclosing, for example, the methodologies described in such publications, which might provide useful background to the present application.

[0035] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict.

[0036] In commercial or educational scenarios, it is often necessary to use a light board to prompt users, and the light board can display different colors to remind users. For example, at the entrance of a classroom, students can distinguish between class time and rest time by the color displayed on the light board, so as to prompt the students to enter the classroom in time to prepare for class when the class time arrives.

[0037] In the related art, the light board has a light guide piece, and the light emitted by the lamp beads is guided by the light guide piece and then emitted to the outside. Please refer to Figure 1 Since the light emitted by the lamp beads is roughly conical, and the light emitted is not uniform, the closer to the edge area, the darker the light, resulting in non-uniform light in the light guide piece, non-uniform light emitted from the light guide piece, and the light board is prone to have light shadows, affecting the user's perception, and even easily causing discomfort to the user.

[0038] To solve the above problems, the present application provides a light board, by arranging a plurality of arrayed spherical protrusions on the first light entrance surface, the light is scattered by the spherical protrusions, so that the light in the light guide piece is more uniform, which is conducive to reducing the generation of light shadows and improving the user's perception.

[0039] The specific structure and function of the present application are described below.

[0040] Please refer to Figure 2 , Figure 3 and Figure 6The light board 100 comprises a housing 1, a light guide 2 and a lamp group 3, and the light guide 2 and the lamp group 3 are both mounted on the housing 1. The housing 1 is provided with a mounting hole 11, and at least part of the light guide 2 is arranged in the mounting hole 11. The light guide 2 is provided with a first light inlet surface 221 and a light outlet surface 222, at least part of the light guide 2 passes through the mounting hole 11, and at least part of the light outlet surface 222 is exposed to the outside, so that a user can observe the light emitted from the light outlet surface 222 from the outside. The lamp group 3 is spaced apart from the light guide 2, and the first light inlet surface 221 faces the lamp group 3, and the light outlet surface 222 faces away from the lamp group 3, so that part of the light emitted by the lamp group 3 can enter the light guide 2 from the first light inlet surface 221, and under the refraction and total reflection of the light guide 2, the light is emitted from the light outlet surface 222. The first light inlet surface 221 is provided with a plurality of arrayed spherical protrusions 2211, when the light irradiates the spherical protrusions 2211, the spherical protrusions 2211 can refract and reflect the light, thereby dispersing the light, so that the light is more uniformly entered into the light guide 2 from the first light inlet surface 221 and emitted from the light outlet surface 222, which is beneficial to improve the uniformity of the light emitted from the light outlet surface 222, reduce the generation of shadows, thereby improving the user's visual experience and reducing the visual discomfort to the user. In addition, compared with other shapes (such as conical shape), the spherical protrusions 2211 have more uniform refraction path for the light, and the structure is more stable.

[0041] In some embodiments, the radius of the spherical protrusion 2211 is 0.3mm-0.5mm.

[0042] In some embodiments, referring to Figure 6 , Figure 7 and Figure 8 , the light guide 2 is provided with a second light inlet surface 211, and along the second direction Y, the second light inlet surface 211 is located between the lamp group 3 and the first light inlet surface 221, and the second direction Y is parallel to the arrangement direction of the light outlet surface 222, the first light inlet surface 221 and the lamp group 3. At least part of the light emitted by the lamp group 3 can enter the light guide 2 from the second light inlet surface 211, and under the refraction and total reflection of the light guide 2, the light is emitted from the light outlet surface 222. The second light inlet surface 211 is provided with a plurality of first light guide teeth 2111, and the plurality of first light guide teeth 2111 are spaced apart along the third direction Z, and the third direction Z is perpendicular to the second direction Y. The first light guide teeth 2111 are used to refract and reflect the light, thereby dispersing the light, so that the part of the light entering the light guide 2 from the second light inlet surface 211 is more uniform, which is beneficial to improve the uniformity of the light emitted from the light outlet surface 222. In the present embodiment, by arranging the second light inlet surface 211, the area of the light guide 2 receiving light can be increased, thereby improving the utilization rate of the light and reducing the waste of the light, which is beneficial to increase the brightness of the light outlet surface 222; and by arranging the first light guide teeth 2111, the uniformity of the light can be improved, and the generation of shadows can be reduced.

[0043] In some embodiments, referring to Figure 9 , the first light guide teeth 2111 are in the shape of sawteeth, and the interval F between the tooth tips of two adjacent first light guide teeth 2111 is 0.4mm-0.6mm.

[0044] In some embodiments, the included angle a between the surfaces of two adjacent first light guide teeth 2111 facing each other is 105°-135°.

[0045] In some embodiments, the first light guide teeth 2111 can also be in the shape of spheres, which is not limited in the present application.

[0046] In some embodiments, referring to Figure 6 and Figure 8 , the second light entrance surface 211 is provided with a plurality of second light guide teeth 2112, the plurality of second light guide teeth 2112 are distributed at intervals along the third direction Z, and the first light guide teeth 2111 and the second light guide teeth 2112 are opposite along the first direction X, wherein the first direction X is perpendicular to the arrangement direction of the lamp group 3 and the light guide 2, and the first direction X, the second direction Y and the third direction Z are perpendicular to each other. The second light guide teeth 2112 are used to refract and reflect part of the light emitted to the second light entrance surface 211, so that the light is more uniformly entered into the light guide 2 from the second light entrance surface 211, so as to further improve the uniformity of the light emitted from the light exit surface 222, reduce the generation of shadows, and improve the user's perception.

[0047] In some embodiments, referring to Figure 6 , the side of the light guide 2 facing the lamp group 3 is provided with a light mixing groove 23, wherein the first light entrance surface 221 described above constitutes the bottom wall of the light mixing groove 23, so that the lamp group 3 and the first light entrance surface 221 have a space for light mixing, and then part of the light emitted by the lamp group 3 is mixed in the light mixing groove 23 and then enters the light guide 2 from the first light entrance surface 221, which is conducive to further improving the uniformity of the light emitted from the light exit surface 222, further reducing the generation of shadows, and improving the user's perception.

[0048] In some embodiments, referring to Figure 3 and Figure 6 , the light guide 2 comprises a mounting portion 21 and a protruding portion 22, one end of the protruding portion 22 is connected with the mounting portion 21, the mounting portion 21 is fixed to the inner wall of the shell 1, and the protruding portion 22 is arranged in the mounting hole 11, wherein the mounting portion 21 and the protruding portion 22 jointly constitute the light mixing groove 23 described above, the first light entrance surface 221 and the light exit surface 222 are both arranged on the protruding portion 22, and the light exit surface 222 is located at one end of the protruding portion 22 protruding from the mounting hole 11, so as to facilitate the user to watch the light emitted from the light exit surface 222, and the second light entrance surface 211 is arranged on the mounting portion 21.

[0049] In some embodiments, the surface of the mounting portion 21 away from the second light-incident surface 211 is fixed to the inner wall of the shell 1 by adhesive (not shown in the figure). In this embodiment, the mounting portion 21 is fixed to the shell 1 by adhesive, thereby achieving the fixation between the light guide 2 and the shell 1, simple assembly, and stable connection.

[0050] In some embodiments, referring to Figure 3 and Figure 6 , the lamp group 3 includes a circuit board 31 and a plurality of lamp beads 32, the plurality of lamp beads 32 are arranged on the circuit board 31 along the third direction Z, and the projections of the plurality of lamp beads 32 are all located within the projection of the light guide 2 along the second direction Y, so that the light emitted by the lamp beads 32 enters the light guide 2 from the first light-incident surface 221 or the second light-incident surface 211, and the utilization rate of the light is improved.

[0051] In some embodiments, the projections of the plurality of lamp beads 32 are all located within the projection of the light mixing groove 23 along the second direction Y, so that the light emitted by the plurality of lamp beads 32 is concentrated to the light mixing groove 23, mixed in the light mixing groove 23, enters the light guide 2 from the first light-incident surface 221, and then is emitted from the light- emitting surface 222, which is beneficial to improving the uniformity of the light emitted from the light-emitting surface 222, reducing the generation of shadows, and improving the user's perception.

[0052] In some embodiments, referring to Figure 6 and Figure 10 , the distance between the two adjacent lamp beads 32 is P, the distance between the first light-incident surface 221 and the circuit board 31 along the second direction Y is D, and P≤D≤1.1*P is satisfied. The greater the value of D is, the greater the light mixing distance of the light is, and the better the uniformity of the light is, but the volume of the lamp panel 100 is also greater. Therefore, in this embodiment, by satisfying P≤D≤1.1*P, the uniformity of the light is improved, and the space is saved.

[0053] In some embodiments, referring to Figure 6 and Figure 10 , the distance between the second light-incident surface 211 and the circuit board 31 along the second direction Y is S, and 0.4*P≤S≤0.6*P is satisfied, so that there is a light mixing space between the lamp beads 32 and the second light-incident surface 211, which is beneficial to improving the uniformity of the light.

[0054] In some embodiments, 7mm≤P≤7.1mm.

[0055] In some embodiments, 7.4mm≤D≤7.5mm.

[0056] In some embodiments, 3.6mm≤3.8mm.

[0057] In some embodiments, referring toFigure 3 and Figure 6 The lamp panel 100 comprises a light shield 4, the light exit surface 222 is provided with a recess 2221, and the light shield 4 is fixedly bonded in the recess 2221. The light shield 4 is used to shield part of the light exit surface 222, so as to shape the pattern displayed by the light.

[0058] In some embodiments, referring to Figure 3 and Figure 11 The lamp panel 100 comprises a connecting piece 5, one end of the connecting piece 5 is fixed with the circuit board 31, and the other end of the connecting piece 5 is fixed with the shell 1, so as to realize the fixation between the lamp group 3 and the shell 1. In this embodiment, the lamp group 3 and the shell 1 are fixed by the connecting piece 5, and only the installation and fixation between the lamp group 3 and the connecting piece 5 are needed, which is beneficial to simplify the structure of the shell 1 and facilitate the installation and layout of the lamp group 3.

[0059] In some embodiments, the lamp panel 100 comprises at least two fasteners 6, one fastener 6 is used to fix the lamp group 3 with the connecting piece 5, and the other fastener 6 is used to fix the connecting piece 5 with the shell 1. In this embodiment, the lamp group 3, the connecting piece 5 and the shell 1 are fixed by the fasteners 6, and the connection is stable.

[0060] In some embodiments, the fastener 6 is a screw.

[0061] In some embodiments, referring to Figure 5 , Figure 12 and Figure 13 The number of the light guide piece 2 and the lamp group 3 is two, the shell 1 is provided with two installation holes 11, and the two light guide pieces 2 and the two lamp groups 3 are installed in the shell 1. One light guide piece 2 is arranged in one installation hole 11, and the light exit surface 222 of each light guide piece 2 is at least partially exposed to the outside. The first light entrance surface 221 of each light guide piece 2 is provided with a plurality of arrayed spherical protrusions 2211. The first light entrance surface 221 of one light guide piece 2 is located between one lamp group 3 and the light exit surface 222 of one light guide piece 2. Part of the light emitted by one lamp group 3 enters one light guide piece 2 from the first light entrance surface 221 of one light guide piece 2, and then is emitted from the light exit surface 222 of one light guide piece 2. In this embodiment, by arranging two light guide pieces 2 and two lamp groups 3, the lamp panel 100 can emit light at least at two positions, which is beneficial to expand the use of the lamp panel 100 and expand the application scenarios of the lamp panel 100.

[0062] In the embodiment of the present application, by arranging the plurality of array distributed spherical protrusions 2211 on the first light-incident surface 221, when the light rays irradiate on the spherical protrusions 2211, the spherical protrusions 2211 can refract and reflect the light rays, thereby dispersing the light rays to make the light rays more uniformly enter the light guide member 2 from the first light-incident surface 221, which is beneficial to improve the uniformity of the light rays emitted from the light- emitting surface 222, reduce the generation of light shadow, thereby improving the user's perception and reducing the visual discomfort to the user; in addition, by arranging the first light guide tooth 2111 on the second light-incident surface 211, when the light rays irradiate on the first light guide tooth 2111, the first light guide tooth 2111 can refract and reflect the light rays, thereby dispersing the light rays to make the light rays more uniformly enter the light guide member 2 from the second light-incident surface 211, which can further improve the uniformity of the light rays and reduce the generation of light shadow.

[0063] The above description is only an embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A light panel (100) characterized by, The lamp panel (100) comprises a shell (1) provided with a mounting hole (11) communicating with the outside; a light guide member (2) provided with a first light inlet surface (221), a second light inlet surface (211) and a light outlet surface (222), the light guide member (2) being mounted on the shell (1), at least part of the light guide member (2) penetrating the mounting hole (11), at least part of the light outlet surface (222) being exposed to the outside, the first light inlet surface (221) being provided with a plurality of arrayed spherical protrusions (2211), the second light inlet surface (211) being provided with a plurality of spaced first light guide teeth (2111); and a lamp group (3) mounted on the shell (1), the lamp group (3) being spaced from the light guide member (2), the first light inlet surface (221) and the second light inlet surface (211) both being directed towards the lamp group (3), so that part of the light emitted by the lamp group (3) enters the light guide member (2) from the first light inlet surface (221) and is emitted from the light outlet surface (222), and another part of the light emitted by the lamp group (3) enters the light guide member (2) from the second light inlet surface (211) and is emitted from the light outlet surface (222), wherein the spherical protrusions (2211) are used for refracting and reflecting at least part of the light entering the light guide member (2) from the first light inlet surface (221), and the first light guide teeth (2111) are used for refracting and reflecting at least part of the light entering the light guide member (2) from the second light inlet surface (211).

2. The lamp panel (100) according to claim 1, wherein the second light inlet surface (211) is provided with a plurality of spaced second light guide teeth (2112), the first light guide teeth (2111) and the second light guide teeth (2112) being opposite to each other along a first direction (X), the first direction (X) being perpendicular to the arrangement direction of the lamp group (3) and the light guide member (2).

3. The lamp panel (100) according to claim 1, wherein the side of the light guide member (2) directed towards the lamp group (3) is provided with a light mixing groove (23), and the first light inlet surface (221) constitutes the bottom wall of the light mixing groove (23).

4. The lamp panel (100) according to claim 1, wherein the lamp panel (100) comprises a light shielding sheet (4), and the light outlet surface (222) is provided with a recess (2221), and the light shielding sheet (4) is accommodated in the recess (2221).

5. The lamp panel (100) according to claim 1, wherein the light guide member (2) comprises a mounting portion (21) and a protruding portion (22), the protruding portion (22) being connected with the mounting portion (21), the mounting portion (21) being fixed to the inner wall of the shell (1), the protruding portion (22) penetrating the mounting hole (11), the light outlet surface (222) and the first light inlet surface (221) both being provided on the protruding portion (22), and the second light inlet surface (211) being provided on the mounting portion (21). ​ ​ ​ ​ ​ ​ ​ 6. The lamp panel (100) according to claim 5, characterized in that, the mounting portion (21) is fixedly connected to the inner wall of the shell (1) by adhesive.

7. The lamp panel (100) according to claim 1, characterized in that, the lamp panel (100) comprises a connecting member (5), one end of the connecting member (5) is fixedly connected to the lamp group (3), and the other end of the connecting member (5) is fixedly connected to the shell (1).

8. The lamp panel (100) according to claim 7, characterized in that, the lamp panel (100) comprises a plurality of fasteners (6), the lamp group (3) and the connecting member (5) are fixedly connected by one of the fasteners (6), and the connecting member (5) and the shell (1) are fixedly connected by another of the fasteners (6).

9. The lamp panel (100) according to claim 1, characterized in that, the lamp group (3) comprises a circuit board (31) and a plurality of lamp beads (32), the plurality of lamp beads (32) are arranged at intervals along a third direction (Z) on the circuit board (31), and the projections of the plurality of lamp beads (32) are located within the projection of the light guide member (2) along a second direction (Y), the second direction (Y) is parallel to the light-out surface (222), the first light-in surface (221) and the arrangement direction of the lamp group (3), and the third direction (Z) is perpendicular to the second direction (Y).

10. The lamp panel (100) according to any one of claims 1-9, characterized in that, the number of the light guide member (2) and the number of the lamp group (3) are both two, the shell (1) is provided with two oppositely distributed mounting holes (11), at least part of the light guide member (2) is arranged in one of the mounting holes (11), the light-out surface (222) of each light guide member (2) is at least partially exposed to the outside, the first light-in surface (221) of each light guide member (2) is provided with a plurality of arrayed spherical protrusions (2211), the first light-in surface (221) of one light guide member (2) is located between one lamp group (3) and the light-out surface (222) of one light guide member (2), and part of the light emitted by one lamp group (3) enters one light guide member (2) from the first light-in surface (221) of one light guide member (2) and is emitted from the light-out surface (222) of one light guide member (2).