CN112118341B

CN112118341B - Electronic equipment and LED lamp subassembly thereof

Info

Publication number: CN112118341B
Application number: CN201910543929.1A
Authority: CN
Inventors: 贾玉虎
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2022-04-01
Anticipated expiration: 2039-06-21
Also published as: CN112118341A

Abstract

The application provides an electronic equipment and LED banks spare thereof, LED banks spare includes: the LED lamp comprises an LED lamp, a lampshade, a light emitting structure and a light guide structure; the lampshade comprises a first end face, a second end face and a side face, wherein the first end face and the second end face are oppositely arranged, and the side face is connected with the first end face and the second end face; the first end face is arranged corresponding to the LED lamp; the second end face is used as a light-emitting face of the flashlight function; the light guide structure is arranged corresponding to the side face of the lampshade and used for guiding light to the light emergent structure. The electronic equipment and LED banks spare thereof that this application embodiment provided, through light guide structure with the light guide of LED lamp to light-emitting structure, make the LED lamp can regard as flash light and light-emitting structure's light source to use simultaneously, make electronic equipment's casing have luminous function, promote the outward appearance expressive force of electronic equipment product, and can satisfy customer's individualized demand.

Description

Electronic equipment and LED lamp subassembly thereof

Technical Field

The invention relates to the technical field of a shell light-emitting structure of electronic equipment, in particular to electronic equipment and an LED lamp assembly thereof.

Background

With the improvement of the requirements of people on the appearance of electronic equipment, the large screen occupation ratio on the front side is one aspect; however, most of the structures on the back of the electronic device are single, and generally, the back cover is of an integral structure, and the flash lamp, the camera and other structures are arranged on the back cover through the opening. In addition, when the electronic equipment is used at night or in a dark environment, the identification degree of the back of the electronic equipment is poor, the brand, the individuation and other information of the electronic equipment cannot be identified, the current requirements of young people on the appearance of the electronic equipment are higher and higher, and the electronic equipment rear shell with the traditional structure cannot meet the requirements of users on the appearance of the electronic equipment.

Disclosure of Invention

An aspect of an embodiment of the present application provides an LED lamp assembly, including:

an LED lamp;

the lampshade comprises a first end face, a second end face and a side face, wherein the first end face and the second end face are oppositely arranged, and the side face is connected with the first end face and the second end face; the first end face is arranged corresponding to the LED lamp; the second end face is used as a light-emitting face of the flashlight function;

a light emitting structure;

and the light guide structure is arranged corresponding to the side surface of the lampshade and used for guiding light to the light emergent structure.

Another aspect of the embodiments of the present application further provides an electronic device, where the electronic device includes: a housing, a circuit board, and the LED lamp assembly of any of the above embodiments; the LED lamp is fixed on the circuit board, a through hole is formed in the shell, and one end, close to the second end face, of the lampshade is embedded in the through hole.

The electronic equipment and LED banks spare thereof that this application embodiment provided, through light guide structure with the light guide of LED lamp to light-emitting structure, make the LED lamp can regard as flash light and light-emitting structure's light source to use simultaneously, make electronic equipment's casing have luminous function, promote the outward appearance expressive force of electronic equipment product, and can satisfy customer's individualized demand.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, 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 diagram of a partial structure of an embodiment of an electronic device according to the present application;

FIG. 2 is a schematic diagram of a disassembled structure of the electronic device of FIG. 1;

FIG. 3 is a schematic diagram of the LED lamp assembly of FIG. 1 with the structure broken away;

FIG. 4 is a partially disassembled view of the light cover and the light guide structure;

FIG. 5 is a schematic view of a lamp housing;

FIG. 6 is a schematic diagram of an LED lamp and a light guide structure;

FIG. 7 is a schematic cross-sectional view of the structure at A-A in FIG. 1;

FIG. 8 is a schematic diagram of a structure split of an embodiment of a light extraction structure;

fig. 9 is a schematic sectional view of the structure at B-B in fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only illustrative of the present invention, and do not limit the scope of the present invention. Likewise, the following examples are only some but not all examples of the present invention, and all other examples obtained by those skilled in the art without any inventive step are within the scope of the present invention.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

As used herein, an "electronic device" (or simply "terminal") includes, but is not limited to, an apparatus that is configured to receive/transmit communication signals via a wireline connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface (e.g., for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal). A communication terminal arranged to communicate over a wireless interface may be referred to as a "wireless communication terminal", "wireless terminal" or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; a Personal Communications System (PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; PDAs that may include radiotelephones, pagers, internet/intranet access, Web browsers, notepads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver. A cellular phone is an electronic device equipped with a cellular communication module.

A flash lamp (matched with a rear camera) of a traditional electronic device (taking a mobile phone as an example) is generally positioned on a rear cover and only has the function of the flash lamp; in addition, the housing (particularly, the rear cover) does not generally have a light emitting function. The embodiment of the application just solves the above-mentioned problem of current product, and the LED lamp that will use as the flash light utilizes, makes it as the light source of the casing that can give out light, and then realizes the function and the outward appearance effect that the local position of casing can give out light.

Referring to fig. 1 and fig. 2 together, fig. 1 is a schematic partial structure diagram of an embodiment of an electronic device of the present application, and fig. 2 is a schematic exploded structure diagram of the electronic device in fig. 1; it should be noted that the electronic device in the present application may include a mobile phone, a tablet computer, a notebook computer, a wearable device, and other terminal devices having a flash function. The electronic device includes, but is not limited to, a housing 100, a circuit board 200, and an LED lamp assembly 300. The structural components related to the present application are only shown in the drawings of the electronic device structure and the component description process in this embodiment, and other structural components of the electronic device (such as a display screen, a battery, etc.) will not be specifically described in this application. It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the embodiments of the present application, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or may alternatively include other steps or elements inherent to such process, method, article, or apparatus.

Specifically, referring to fig. 3, fig. 3 is a schematic diagram illustrating a structure of the LED lamp assembly 300 in fig. 1 being disassembled, and the LED lamp assembly 300 in the present embodiment includes an LED lamp 310, a lampshade 320, a light guide structure 330, and a light exit structure 340. The LED lamp 310 is fixed on the circuit board 200, the housing 100 is provided with a through hole 110, and one end of the lamp shade 320 is embedded in the through hole 110.

Optionally, referring to fig. 4 and 5 together, fig. 4 is a schematic partial structure disassembly diagram of the lamp cover and the light guiding structure, and fig. 5 is a schematic structural diagram of the lamp cover; the lampshade 320 comprises a first end face 321, a second end face 322 and a side face 323 connecting the first end face and the second end face which are oppositely arranged; the first end face 321 is disposed corresponding to the LED lamp 310; referring to fig. 6, fig. 6 is a schematic structural diagram of an LED lamp and a light guide structure. The second end surface 322 serves as a light emitting surface of the flash function of the electronic device. One end of the lamp cover 320 close to the second end 322 is embedded in the through hole 110 of the housing 100. It should be noted that the terms "first", "second" and "third" in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Alternatively, the lampshade 320 may be a Fresnel lens structure, Fresnel lenses (Fresnel lenses), also known as screw lenses, generally a sheet made of injection-molded transparent resin material (such as polyolefin material), or made of glass, and the lens surface has a smooth surface (corresponding to the second end surface 322) on one side and concentric circles from small to large on the other side (corresponding to the first end surface 321) recorded thereon, and the texture thereof may be designed according to the requirements of interference with light and relative sensitivity and receiving angle. The continuous surface portion of the lens is "collapsed" to a plane. The surface of the material is composed of a series of sawtooth-shaped grooves when viewed in cross section, and the central part of the material is an elliptic arc. Each groove has a different angle with the adjacent groove, but concentrates the light to a point forming a central focal point, i.e., the focal point of the lens. Each groove can be viewed as a separate lenslet that collimates or concentrates light. Such a lens is also capable of eliminating partial spherical aberration.

Further, the first end 321 of the lamp cover 320 is larger than the second end 322; i.e., the end of the first end of the lamp housing 320 is larger than the end of the second end. Optionally, in this embodiment, the first end face 321 and the second end face 322 of the lamp cover 320 are both circular structures. The side 323 further includes a first side 3231, a step surface 3233, and a second side 3232; first side 3231's both ends are connected respectively first terminal surface 321 and stair surface 3233, the both ends of second side 3232 are connected respectively stair surface 3233 and second terminal surface 322.

Referring to fig. 7, fig. 7 is a schematic cross-sectional view of the structure at a-a in fig. 1, a second end of the lamp cover 320 is inserted into the through hole 110 of the housing 100, light emitted from the second end 322 serves as light for a flashlight function of the electronic device, and the second end 322 may be flush with the outer surface 101 of the housing 100 or embedded in the through hole 110. The stepped surface 3233 of the lamp housing 320 abuts against the inner surface 102 of the housing 100, and the second side surface 3232 abuts against the inner sidewall of the through hole 110. The light guide structure 330 and the light exit structure 340 may be attached to the inner surface 102 of the casing 100, or embedded in the casing 100, and the illustration of the embodiment of the present application is that the light guide structure 330 and the light exit structure 340 are attached to the inner surface 102 of the casing 100, and the arrangement relationship between the light guide structure 330 and the light exit structure 340 and the casing 100 is not specifically limited.

With continued reference to fig. 3 and fig. 7, the light guiding structure 330 is used for guiding the light emitted from the LED lamp to the light emitting structure 340. The light guide structure 330 in this embodiment includes a light-gathering ring 331 and an optical fiber 332. Optionally, the light-gathering ring 331 is disposed around the side 323 of the lamp housing 320. Specifically, the light gathering ring 331 is annularly disposed on the periphery of the first side surface 3231, and the first side surface 3231 serves as another light emitting surface. The light-gathering ring 331 is made of opaque material. In this embodiment, the first end face 321 of the lamp cover 320 is used as a light incident surface and is disposed corresponding to the LED lamp 310, and the second end face 322 is used as a first light emitting surface, where light emitted from the first light emitting surface is used as light rays of a flash function of the electronic device; the first side surface 3231 serves as a second light emitting surface, and the light emitted from the first side surface 3231 is transmitted to the light guiding structure 330.

Optionally, a light guide hole 3311 is disposed on the light-gathering ring 331, and one end of the optical fiber 332 is inserted into the light guide hole 3311 and disposed corresponding to the first side surface 3231 of the lampshade 320 so as to be in optical path conduction with the lampshade 320; the other end of the optical fiber 332 is connected to the light-emitting structure 340. Optionally, the light guide structure 330 in this embodiment includes a plurality of optical fibers 332, a plurality of light guide holes 3311 are disposed on the light gathering ring 331, each optical fiber 332 is respectively inserted into different light guide holes 3311, the light guide amount can be made larger by the structural arrangement of the plurality of optical fibers 332, and the light exit structure 340 can receive more light. It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Referring to fig. 8 and 9 together, fig. 8 is a schematic structure splitting diagram of an embodiment of the light exit structure, and fig. 9 is a schematic structural cross-sectional view at B-B in fig. 1. Optionally, the light exit structure 340 in this embodiment includes a light guide plate 341, a light exit plate 342, and a reflection plate 343; the light guide plate 341 is sandwiched between the light emitting plate 342 and the reflective plate 343, and the light emitting plate 342 is provided with a light emitting pattern 3421; the reflective plate 343 is used to prevent the light guide plate 341 from leaking from a side away from the light-emitting plate 342, and can improve the reflection of light, so that light can be emitted from the light-emitting plate 342 more uniformly. In addition, a light shielding structure (not shown) may be attached or coated around the side of the light emitting structure 340 for shielding the side light leakage.

Alternatively, the light guide plate 341 may be made of resin or glass, and the reflective plate 343 may be a reflective film plated on the surface of the light guide plate 341, such as a coating of a metal material, such as silver. The light emitting plate 342 may be made of a translucent or opaque resin material, and the light emitting plate 342 corresponding to the light emitting pattern 3421 may be a hollow structure, or may be made of a transparent material at the light emitting pattern 3421 to form a light transmitting region. The light emitting pattern 3421 may be a LOGO or a customized pattern. In addition, the light emitting plate 342 may be made of transparent resin, and the surface of the light emitting plate may be coated with light shielding ink, and the position corresponding to the light emitting pattern 3421 may be coated with semi-transparent ink or not coated with ink.

Alternatively, referring to fig. 3 and 8, the end of the optical fiber 332 is disposed corresponding to the side surface of the light guide plate 341. The light guide structure 340 further includes a light shielding film 344, and the light shielding film 344 is attached to a connection portion of the optical fiber 332 and the light exit structure 340, specifically to the outer side surfaces of the light exit plate 342 and the reflection plate 343 and the local side surface of the light exit structure 340 respectively. The light shielding film 344 is used to prevent light leakage at the connection between the optical fiber 332 and the light-emitting structure 340. The light shielding film 344 may be made of light shielding glue or light shielding foam.

Referring to fig. 7, the casing 100 of the present embodiment includes a body 120 made of a transparent material and a coating structure (not shown) coated on the body 120, wherein the coating structure may be coated on the inner surface 102 of the casing 100. Optionally, the coating structure is a semi-transparent coating or a transparent coating at the position (labeled 130 in fig. 2) corresponding to the light-emitting pattern 3421 on the light-emitting plate 342 of the light-emitting structure 340; thereby allowing the light structure 340 to pass therethrough. Further optionally, a light shielding layer (not shown) is disposed on a side surface of the lamp shade 320 contacting the housing 100, and specifically, referring to fig. 5, in this embodiment, the light shielding layer may be coated on the step surface 3233 and the second side surface 3232 of the lamp shade 320 to prevent light from leaking into the body 120 made of the transparent material of the housing 100.

The electronic equipment and LED banks spare thereof that this application embodiment provided, through light guide structure with the light guide of LED lamp to light-emitting structure, make the LED lamp can regard as flash light and light-emitting structure's light source to use simultaneously, make electronic equipment's casing have luminous function, promote the outward appearance expressive force of electronic equipment product, and can satisfy customer's individualized demand. The electronic equipment provided by the embodiment of the application can combine the functions of call reminding or photographing, dynamic sound effects and the like, and further generate the effect of a specific atmosphere. The electronic equipment is more emotional and humanized. The electronic device structure in this embodiment uses a built-in LED lamp (flash lamp) as a light source, avoiding resetting the light source. Has the characteristics of simple structure and low cost.

The above description is only a part of the embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes performed by the present invention through the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An LED lamp assembly, comprising:

an LED lamp;

the lampshade comprises a first end face, a second end face and a side face, wherein the first end face and the second end face are oppositely arranged, and the side face is connected with the first end face and the second end face; the first end face is arranged corresponding to the LED lamp; the second end face is used as a light-emitting face of the flashlight function; the lampshade is of a Fresnel lens structure; the first end surface of the lampshade is larger than the second end surface; the side surfaces comprise a first side surface, a step surface and a second side surface; the two ends of the first side surface are respectively connected with the first end surface and the step surface, and the two ends of the second side surface are respectively connected with the step surface and the second end surface;

the light emitting structure comprises a light guide plate, a light emitting plate and a reflecting plate; the light guide plate is clamped between the light emitting plate and the reflecting plate, and light emitting patterns are arranged on the light emitting plate;

the light guide structure is arranged corresponding to the side surface of the lampshade and used for guiding light rays to the light emergent structure;

the light guide structure comprises a light gathering ring and a plurality of optical fibers, and the light gathering ring is annularly arranged on the periphery of the first side face of the lampshade; the light gathering ring is provided with a plurality of light guide holes, and each optical fiber is correspondingly inserted into different light guide holes; one end of the optical fiber is inserted into the light guide hole and arranged corresponding to the side surface of the lampshade so as to be communicated with the light path of the lampshade; the other end of the optical fiber is connected with the light emitting structure and is arranged corresponding to the side face of the light guide plate.

2. The LED lamp assembly of claim 1, wherein the light guide structure further comprises a light shielding film attached to the connection between the optical fiber and the light exit structure for preventing light leakage at the connection between the optical fiber and the light exit structure.

3. The LED lamp assembly of claim 1 wherein the light exit pattern is a product LOGO.

4. An electronic device, characterized in that the electronic device comprises: a housing, a circuit board, and the LED lamp assembly of any of claims 1-3; the LED lamp is fixed on the circuit board, a through hole is formed in the shell, and one end, close to the second end face, of the lampshade is embedded in the through hole.

5. The electronic device of claim 4, wherein the housing comprises a body made of a transparent material and a coating structure coated on the body; the coating structure is a semi-transparent coating or a transparent coating at the position corresponding to the light-emitting pattern on the light-emitting plate of the light-emitting structure; and a shading layer is arranged on the side surface of the lampshade, which is in contact with the shell.