CN211786206U - Light guide element, light assembly and electronic equipment - Google Patents

Light guide element, light assembly and electronic equipment Download PDF

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Publication number
CN211786206U
CN211786206U CN202020164133.3U CN202020164133U CN211786206U CN 211786206 U CN211786206 U CN 211786206U CN 202020164133 U CN202020164133 U CN 202020164133U CN 211786206 U CN211786206 U CN 211786206U
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China
Prior art keywords
light
curved surface
guide element
light guide
incident
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CN202020164133.3U
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Chinese (zh)
Inventor
杨朋
陈佳
游延筠
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Shenzhen Lutuo Technology Co Ltd
Shenzhen Lumi United Technology Co Ltd
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Shenzhen Lutuo Technology Co Ltd
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Abstract

The embodiment of the application provides a light guide element, light subassembly and electronic equipment, and light guide element is including going into light curved surface, light-emitting curved surface and plane of reflection, goes into the light curved surface and outwards bulges towards light guide element, and the light-emitting curved surface is sunken towards light guide element is inwards gone into, goes into the light curved surface and is used for making incident light converge after the plane of reflection reflect to the light-emitting curved surface and exit. The embodiment of the application provides a light guide element, the income light curved surface of light subassembly and electronic equipment utilizes convex lens imaging principle to spotlight incident light, the collimation, help light guide element to collect and the collimation incident light effectively, simultaneously because the light-emitting curved surface utilizes concave lens imaging principle to disperse the light through the reflection plane reflection, the luminance that helps the light of light guide element outgoing distributes comparatively evenly, the condition of bright dark inequality is difficult to appear to the light that has sent by the electronic equipment that has used light guide element, electronic equipment's light-emitting homogeneity has been promoted.

Description

Light guide element, light assembly and electronic equipment
Technical Field
The application relates to the technical field of intelligent household equipment, in particular to a light guide element, a light component and electronic equipment.
Background
Electronic devices are often equipped with lights that provide night lighting or otherwise indicate the operational status of the electronic device. Since the light of the lamp generally transmits the light beam to the outside of the electronic device through the light guide element, the structure of the light guide element is particularly important for the light emitting effect of the electronic device.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a light guide element, a light component and an electronic device, so as to solve the technical problem.
The embodiment of the application realizes the aim through the following technical scheme.
In a first aspect, an embodiment of the present application provides a light guide element, where the light guide element includes an incident curved surface, an emergent curved surface, and a reflecting plane, the incident curved surface protrudes outward from the light guide element, the emergent curved surface is recessed inward from the light guide element, and the incident curved surface is used to converge incident light and then reflect the incident light to the emergent curved surface through the reflecting plane and emit the incident light.
In some embodiments, the light directing element is annular.
In some embodiments, the light-incident curved surface includes a plurality of convex surfaces, and the light-exiting curved surface includes a plurality of concave surfaces.
In some embodiments, the optical axis of the light incident curved surface is perpendicular to the optical axis of the light emergent curved surface.
In some embodiments, an included angle between the optical axis of the light incident curved surface and the reflection plane is equal to an included angle between the optical axis of the light emergent curved surface and the reflection plane.
In a second aspect, an embodiment of the present application further provides a light assembly, where the light assembly includes the light guide element and the light source of any of the above embodiments, and the light source is disposed on one side of the incident curved surface.
In some embodiments, the light source includes a plurality of light emitting units, and a distance between each light emitting unit and the light incident curved surface is equal to a focal length of the light incident curved surface.
In some embodiments, the light source includes a circuit board and a plurality of light emitting diode chips disposed on the circuit board.
In a third aspect, an embodiment of the present application further provides an electronic device, where the electronic device includes a housing and the light guide element of any of the embodiments, and the light guide element is disposed in the housing.
In some embodiments, the housing includes a first shell and a second shell, the first shell and the second shell are mutually matched, the incident light curved surface is disposed between the first shell and the second shell, and the light-emitting curved surface faces the outside of the electronic device.
The embodiment of the application provides a light guide element, the income light curved surface of light subassembly and electronic equipment utilizes convex lens imaging principle to spotlight incident light, the collimation, help light guide element to collect and the collimation incident light effectively, simultaneously because the light-emitting curved surface utilizes concave lens imaging principle to disperse the light through the reflection plane reflection, the luminance that helps the light of light guide element outgoing distributes comparatively evenly, the condition of bright dark inequality is difficult to appear to the light that has sent by the electronic equipment that has used light guide element, electronic equipment's light-emitting homogeneity has been promoted.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a light guide element according to an embodiment of the present application.
Fig. 2 is a schematic cross-sectional view of the light guide element of fig. 1.
Fig. 3 is a schematic structural diagram of a light guide body of a light guide element according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a light guide element according to another embodiment of the present application.
Fig. 5 is a schematic structural diagram of a light guide element according to another embodiment of the present application.
Fig. 6 is an exploded schematic view of a light assembly according to an embodiment of the present disclosure.
Fig. 7 is a schematic structural diagram of a light guide element and a light emitting unit of a light assembly according to an embodiment of the present disclosure.
Fig. 8 is a schematic cross-sectional view of the light guide element and the light emitting unit of the light assembly of fig. 7.
Fig. 9 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Fig. 10 is an exploded schematic view of the electronic device of fig. 9.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
Referring to fig. 1, an embodiment of the present invention provides a Light guide element 100, where the Light guide element 100 is adapted to an electronic device such as a camera and an intelligent gateway, and the Light guide element 100 is used for guiding Light emitted by a Light Emitting body in the electronic device to emit, where the Light Emitting body may be a Light Emitting Diode (LED) lamp, a fluorescent lamp, a halogen tungsten lamp, or the like.
Referring to fig. 1 and fig. 2, the light guide element 100 includes an incident curved surface 10, an emergent curved surface 20 and a reflection plane 30, the incident curved surface 10 protrudes outward from the light guide element 100, the emergent curved surface 20 is recessed inward from the light guide element 100, and the incident curved surface 10 is used for converging incident light, and then the incident light is reflected to the emergent curved surface 20 by the reflection plane 30 and exits.
The light guide element 100 may be made of Polycarbonate (PC) or Polymethyl methacrylate (PMMA) and formed by an injection molding process, which is helpful to ensure good light transmittance of the light incident curved surface 10 and the light exit curved surface 20, reduce loss generated after light is guided and emitted by the light guide element 100, and improve light utilization rate.
Light directing element 100 may be affixed with optical films to enhance optical performance. For example, the reflective plane 30 may be attached with a reflective film to increase the reflectivity of the reflective plane 30 to light. The reflective film may be a metallic reflective film, an all dielectric reflective film, or a metal dielectric reflective film. The light incident curved surface 10 and the light emergent curved surface 20 may be both attached with an antireflection film to enhance the light transmission amount, which is helpful to further reduce the light loss. The light incident curved surface 10 and the light exit curved surface 20 may be attached with a light uniformizing film to diffuse light, which helps to make the brightness distribution of the light spots of the light emitted through the light guide element 100 more uniform. In addition, according to the light-emitting effect required by the electronic device, the light-emitting curved surface 20 may further be attached with a corresponding type of filter to facilitate forming the light-emitting effect of the electronic device.
The embodiment of the application provides a light guide element 100's income light curved surface 10 utilizes the convex lens imaging principle to spotlight incident light, the collimation, help light guide element 100 to collect and the collimation incident light effectively, simultaneously because the light-emitting curved surface 20 utilizes the concave lens imaging principle to disperse the light of reflection through reflection plane 30, the luminance that helps the light of light guide element 100 outgoing distributes comparatively evenly, make the light that has used light guide element 100's electronic equipment to send be difficult to appear bright dark uneven condition, electronic equipment's light-emitting homogeneity has been promoted. In addition, when the light emitted from the electronic device is used as a small night light, the light guide element 100 can make the brightness of the light be more uniform when the electronic device is used by a user at night, which helps to prevent the local too strong light from irritating human eyes.
In some embodiments, referring to fig. 1, the light guide element 100 is ring-shaped. For example, the light guide element 100 may have an elliptical ring shape, a circular ring shape, a rectangular ring shape, and the like, which is helpful for an electronic device using the light guide element 100 having the above-mentioned structural shape to form a ring-shaped light with a better effect. In addition, the annular light guide element 100 helps to reduce the space occupied in the electronic device compared with the columnar light guide element 100, so that other parts can fully utilize the space surrounded by the annular light guide element 100.
As shown in fig. 1, the light guide element 100 may be a unitary structure. In other embodiments, as shown in fig. 3, the light guide element 100 may also include a plurality of light guide bodies 101, each light guide body 101 is of an independent structure, each light guide body 101 includes a light incident curved surface 10, a light exiting curved surface 20, and a reflection plane 30, and the plurality of light guide bodies 101 surround to form an annular structure. In this application, "plurality" means greater than or equal to two. For example, as shown in fig. 4, the number of the light guide bodies 101 is two, each light guide body 101 is arc-shaped, and the two light guide bodies 101 surround each other in an annular structure. In other embodiments, the number of the light guide bodies 101 may be four, each light guide body 101 is in a linear shape, and the four light guide bodies 101 surround a rectangular ring structure. In other embodiments, the number of the light guide bodies 101 is three or five or six, etc., and an arbitrary shape is composed of a plurality of light guide bodies 101.
In some embodiments, the optical axis of the light-entering curved surface 10 is perpendicular to the optical axis of the light-exiting curved surface 20, so that the light guided through the light guide element 100 is changed by 90 ° in the propagation direction. The embodiment facilitates the distribution of the light guide element 100 and the light emitters along the height direction of the electronic device, and the light emitters and the light guide element 100 do not need to be limited and distributed on the same horizontal plane, so that the space occupied inside the electronic device in the width direction is reduced.
The included angle between the optical axis of the light incident curved surface 10 and the reflection plane 30 is equal to the included angle between the optical axis of the light emergent curved surface 20 and the reflection plane 30. In this embodiment, an included angle between the optical axis of the curved incident light surface 10 and the reflecting plane 30 is 45 °. Under the condition that the reflection plane 30 reflects the light conducted by the incident curved surface 10 to the emergent curved surface 20, the light guide element 100 is also facilitated to form a reserved space from one side of the reflection plane 30 along the optical axis direction of the incident curved surface 10 and the optical axis direction of the emergent curved surface 20, so that the occupied space of the electronic device is reduced, and meanwhile, other parts can be facilitated to extend into the reserved space to facilitate the compact arrangement of the parts.
In some embodiments, referring to fig. 5, the light incident curved surface 10 includes a plurality of convex surfaces 11, the convex surfaces 11 may be sequentially arranged at intervals according to a predetermined interval, and the convex surfaces 11 may also be closely connected to each other. In this embodiment, the convex surfaces 11 are arranged at intervals. The positional relationship between the convex surfaces 11 may be changed according to the positional arrangement of the luminous bodies. Similarly, the light exit curved surface 20 includes a plurality of concave surfaces 21. The number of the concave surfaces 21 is the same as that of the convex surfaces 11, the position relationship between the concave surfaces 21 is matched with that between the convex surfaces 11, and each convex surface 11 receives the light of the corresponding luminous body and reflects the light to the corresponding concave surface 21 through the reflection plane 30.
Referring to fig. 6, an embodiment of the present disclosure further provides a light assembly 200, where the light assembly 200 includes the light guide element 100 of any of the embodiments and a light source 201, and the light source 201 may be an LED lamp, a fluorescent lamp, a halogen tungsten lamp, or the like. The light source 201 is arranged on one side of the incident light curved surface 10, light emitted by the light source 201 enters the light guide element 100 from the incident light curved surface 10, the incident light curved surface 10 condenses incident light by using a convex lens imaging principle, collimation is facilitated, the light guide element 100 effectively collects and collimates incident light, meanwhile, because the light emitting curved surface 20 disperses light reflected by the reflecting plane 30 by using a concave lens imaging principle, the brightness of the light emitted by the light guide element 100 is facilitated to be uniformly distributed, the condition that brightness is not uniform is not easy to appear in the light emitted by the electronic equipment using the light component 200, and the light emitting uniformity of the electronic equipment is improved. In addition, in the case where the light emitted from the electronic device is used as a small night light, for example, when the user uses the light at night, the light guide element 100 makes the brightness of the light be distributed more uniformly, which helps to prevent the local too strong light from irritating the human eyes.
In some embodiments, referring to fig. 6, the light source 201 includes a circuit board 2010 and a plurality of led chips 2011, and the plurality of led chips 2011 are disposed on the circuit board 2010. The circuit Board 2010 may be a PCBA (printedcuiit Board + Assembly), the led chip 2011 may be soldered to the circuit Board 2010, and the led chip 2011 may emit light of a plurality of different colors, which helps the user to set the circuit Board 2010 individually and control the led chip 2011 to emit light of a desired color, thereby providing a rich visual effect for the user.
In some embodiments, referring to fig. 7 and 8, the light source 201 includes a plurality of light emitting units 2012, and the light emitting units 2012 may be the light emitting diode chips 2011 or the light emitters. Two adjacent light emitting units 2012 may be spaced apart from each other. The distance between each light emitting unit 2012 and the light incident curved surface 10 is equal to the focal length of the light incident curved surface 10, and light emitted by the light emitting unit 2012 can be approximated to a point light source 201, so that the light emitted by the light emitting unit 2012 located at the focal length of the light incident curved surface 10 is emitted to the reflection plane 30 along the optical axis parallel to the light incident curved surface 10 after entering the light incident curved surface 10, and the light is more diverged after being emitted from the light emitting curved surface 20.
Referring to fig. 9, an electronic device 300 is further provided in the embodiment of the present application, where the electronic device 300 may be a camera, an intelligent gateway, or the like. The electronic device 300 includes a housing 301 and the light guide element 100 of any of the above embodiments, the outer contour of the housing 301 may be a cylindrical structure, an elliptic cylindrical structure, a prismatic structure, and the like, and in this embodiment, the outer contour of the housing 301 is a cylindrical structure. The light guide element 100 is disposed on the housing 301. The light guide element 100 may be exposed outside the housing 301, and the light guide element 100 is used for guiding the light emitted by the light source 201 in the housing 301 to the outside of the electronic device 300.
The embodiment of the application provides a casing 301 of electronic equipment 300 is used for bearing leaded light component 100, income light curved surface 10 utilizes the convex lens imaging principle to spotlight incident light, the collimation, help leaded light component 100 to collect and the collimation incident light effectively, simultaneously because the light-emitting curved surface 20 utilizes the concave lens imaging principle to disperse the light of reflection through reflection plane 30, the luminance that helps the light of leaded light component 100 outgoing distributes comparatively evenly, make the light that electronic equipment 300 sent be difficult to appear bright dark uneven condition, electronic equipment 300's light-emitting homogeneity has been promoted. In addition, in the case where the light emitted from the electronic device 300 is used as a small night light, for example, when the user uses the light at night, the light guide element 100 makes the brightness of the light be distributed more uniformly, which helps to prevent the local too strong light from irritating the human eyes.
In some embodiments, referring to fig. 9, the housing 301 includes a first shell 3010 and a second shell 3011, the first shell 3010 and the second shell 3011 mating with each other. For example, in the process of assembling the electronic device 300, the light guide element 100 is installed on the first shell 3010, the second shell 3011 is installed on the light guide element 100 and clamps the light guide element 100 together with the first shell 3010, the first shell 3010 and the second shell 3011 are connected by a fastener such as a screw, and the light guide element 100 is fixed together, so that the light incident curved surface 10 is disposed between the first shell 3010 and the second shell 3011, the light incident curved surface 10 and the reflection plane 30 can face the inside of the housing 301, and the light exit curved surface 20 faces the outside of the electronic device 300, so that the light guide element 100 guides the light emitted by the light source 201 located in the housing 301 to the outside of the electronic device 300.
In some embodiments, referring to fig. 10, the electronic device 300 may further include a light source 201, the light source 201 is disposed on one side of the incident curved surface 10, the light source 201 includes a circuit board 2010 and a plurality of light emitting diode chips 2011, and the plurality of light emitting diode chips 2011 are disposed on the circuit board 2010. Circuit board 2010 may be a PCBA and led chip 2011 may be soldered to circuit board 2010.
In this application, the terms "mounted," "connected," "secured," and the like are to be construed broadly unless otherwise specifically stated or limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through the inside of two elements, or they may be connected only through surface contact or through surface contact of an intermediate member. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "first," "second," and the like are used merely for distinguishing between descriptions and not intended to imply or imply a particular structure. The description of the terms "some embodiments," "other embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiments or examples is included in at least one embodiment or example of the invention. In this application, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this application can be combined and combined by those skilled in the art without contradiction.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims (10)

1. The utility model provides a light guide element, its characterized in that, includes income light curved surface, light-emitting curved surface and plane of reflection, the income light curved surface court the light guide element is outer protruding, the light-emitting curved surface court the light guide element is interior sunken, the income light curved surface is used for making the incident light converge the back warp reflection plane arrives light-emitting curved surface and outgoing.
2. A light-guiding element as claimed in claim 1, wherein the light-guiding element is annular.
3. A light guide element according to claim 1, wherein the light incident curved surface comprises a plurality of convex surfaces, and the light emergent curved surface comprises a plurality of concave surfaces.
4. A light guide element according to any one of claims 1 to 3, wherein the optical axis of the light incident curved surface is perpendicular to the optical axis of the light emergent curved surface.
5. A light guide element according to claim 4, wherein an included angle between the optical axis of the light incident curved surface and the reflection plane is equal to an included angle between the optical axis of the light emergent curved surface and the reflection plane.
6. A light assembly, comprising:
the light-guiding element of any one of claims 1 to 5; and
the light source is arranged on one side of the incident light curved surface.
7. The light assembly of claim 6, wherein the light source comprises a plurality of light emitting units, and a distance between each light emitting unit and the light incident curved surface is equal to a focal length of the light incident curved surface.
8. The light assembly of claim 6, wherein the light source comprises a circuit board and a plurality of LED chips disposed on the circuit board.
9. An electronic device, comprising:
a housing; and
the light directing element of any of claims 1-5, disposed in the housing.
10. The electronic device of claim 9, wherein the housing comprises a first shell and a second shell, the first shell and the second shell are matched with each other, the light incident curved surface is disposed between the first shell and the second shell, and the light exit curved surface faces the outside of the electronic device.
CN202020164133.3U 2020-02-12 2020-02-12 Light guide element, light assembly and electronic equipment Active CN211786206U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020164133.3U CN211786206U (en) 2020-02-12 2020-02-12 Light guide element, light assembly and electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020164133.3U CN211786206U (en) 2020-02-12 2020-02-12 Light guide element, light assembly and electronic equipment

Publications (1)

Publication Number Publication Date
CN211786206U true CN211786206U (en) 2020-10-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020164133.3U Active CN211786206U (en) 2020-02-12 2020-02-12 Light guide element, light assembly and electronic equipment

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Country Link
CN (1) CN211786206U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113993327A (en) * 2021-11-16 2022-01-28 维沃移动通信有限公司 Electronic device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113993327A (en) * 2021-11-16 2022-01-28 维沃移动通信有限公司 Electronic device
CN113993327B (en) * 2021-11-16 2023-09-01 维沃移动通信有限公司 Electronic equipment

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