WO2019024655A1

WO2019024655A1 - Electronic device, mobile phone, and terminal housing of electronic device and mobile phone

Info

Publication number: WO2019024655A1
Application number: PCT/CN2018/094676
Authority: WO
Inventors: 林晨东; 吉斌
Original assignee: Oppo广东移动通信有限公司
Priority date: 2017-07-31
Filing date: 2018-07-05
Publication date: 2019-02-07

Abstract

A terminal housing (300) comprises a metal body (320), a filling portion (340), and a film layer (360). The metal body (320) comprises an outer surface (322) and an inner surface (324) opposite to each other. The metal body (320) is provided with an antenna opening (326) running through the outer surface (322) and the inner surface (324). The filling portion (340) is located in the antenna opening (326). The film layer (360) covers the filling portion (340) and is located at the side where the outer surface (322) is located. The film layer (360) comprises a resin matrix and metal oxide particles distributed in the resin matrix.

Description

Electronic device, mobile phone and terminal housing thereof

Technical field

The present invention relates to the technical field of electronic products, and in particular to an electronic device, a mobile phone, and a terminal housing thereof.

Background technique

Openings are often required on the metal backshell of a mobile phone to accommodate structures such as partition strips or fingerprint modules. However, the arrangement of the openings affects the overall consistency and aesthetics of the appearance of the metal backshell.

Summary of the invention

Based on this, it is necessary to provide an electronic device, a mobile phone, and a terminal housing thereof.

A terminal housing includes:

a metal body comprising opposite outer and inner surfaces, the metal body being provided with an antenna opening extending through the outer surface and the inner surface;

a filling portion, the filling portion being located within the antenna opening;

a film layer covering the filling portion and located on a side where the outer surface is located; the film layer including a resin substrate and metal oxide particles distributed in the resin substrate.

An electronic device comprising the terminal housing described above.

A mobile phone comprising:

Display screen

Antenna module;

The terminal housing, the terminal housing and the display screen enclose a receiving cavity, the antenna module is located in the accommodating cavity, and the antenna module transmits a signal through the antenna opening.

In the above electronic device, the mobile phone and the terminal housing thereof, the metal body of the terminal housing is provided with an opening for accommodating the component, and the film layer covers the component. Since the film layer containing the metal oxide particles can exhibit a metallic texture, the terminal shell can be made The appearance of the body is overall consistent and aesthetic.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and those skilled in the art can obtain drawings of other embodiments according to the drawings without any creative work.

Figure 1 is a perspective view of a mobile phone in an embodiment;

Figure 2 is a rear elevational view of the handset of Figure 1;

Figure 3 is a rear elevational view of the metal body of the mobile phone of Figure 1;

Figure 4 is a partial cross-sectional view of the mobile phone of Figure 1;

Figure 5 is a partial cross-sectional view of the mobile phone in still another embodiment;

Figure 6 is a rear elevational view of the handset in yet another embodiment;

Figure 7 is a partial cross-sectional view of the mobile phone of Figure 6;

Figure 8 is a partial cross-sectional view of the mobile phone in still another embodiment;

Figure 9 is a partial cross-sectional view of the mobile phone in still another embodiment;

Figure 10 is a rear elevational view of the handset in yet another embodiment;

Figure 11 is a schematic view showing a method of processing a terminal housing in an embodiment;

Figure 12 is a schematic view showing a processing method of a terminal housing in still another embodiment;

Figure 13 is a schematic view showing a processing method of a terminal housing in still another embodiment;

Figure 14 is a schematic illustration of a method of processing a terminal housing in yet another embodiment.

Detailed ways

In order to facilitate the understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the invention are shown in the drawings. However, the invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the understanding of the present disclosure will be more fully understood.

"Terminal device" as used herein refers to a device capable of receiving and/or transmitting a communication signal, including but not limited to being connected via any one or more of the following connection methods:

(1) via wired line connection, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Line (DSL), digital cable, direct cable connection;

(2) via a wireless interface, such as 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.

A terminal device that is set to communicate through a wireless interface may be referred to as a "mobile terminal." Examples of mobile terminals include, but are not limited to, the following electronic devices:

(1) a satellite phone or a cellular phone;

(2) Personal Communication System (PCS) terminals that can combine cellular radiotelephone with data processing, fax, and data communication capabilities;

(3) Radiotelephone, pager, Internet/Intranet access, Web browser, Notepad, calendar, Personal Digital Assistant (PDA) equipped with a Global Positioning System (GPS) receiver;

(4) conventional laptop and/or palm receivers;

(5) Conventional laptop and/or palm-type radiotelephone transceivers and the like.

As shown in FIG. 1 and FIG. 2, the electronic device of an embodiment is a mobile phone 10, and the mobile phone 10 can include a display screen 100, an antenna module 200, and a terminal housing 300. In other embodiments, the electronic product may also be any electronic device such as a tablet computer, a PDA (Personal Digital Assistant), a POS (Point of Sales), a wearable device, or the like.

3, FIG. 4, the terminal housing 300 includes a metal body 320, a filling portion 340, and a film layer 360. In an embodiment, the metal body 320 may be made of an aluminum alloy, and in other embodiments, Other metal materials such as stainless steel. The metal body 320 includes an outer surface 322 and an inner surface 324 disposed opposite each other, and the metal body 320 is provided with an antenna opening 326 extending through the outer surface 322 and the inner surface 324. The fill portion 340 is located within the antenna opening 326. In one embodiment, the material of the filling portion 340 is an insulating material such as plastic or the like. The filling portion 340 can be used to connect the metal bodies 320 separated by the antenna openings 326 and to insulate the separated portions of the metal bodies 320. The film layer 360 covers the filling portion 340 and is located on the side where the outer surface 322 is located. The film layer 360 includes a resin substrate and metal oxide particles distributed in the resin substrate. In one embodiment, the terminal housing 300 and the display screen 100 enclose an accommodating cavity 380. The antenna module 200 is located in the accommodating cavity 380, and the antenna module 200 transmits signals through the antenna opening 326. The arrangement of the antenna opening 326 and the filling portion 340 can reduce the shielding effect of the metal body 320 on the antenna signal of the mobile phone 10.

The metal body 320 is provided with an antenna opening 326 for transmitting a wireless signal, and the film layer 360 covers the filling portion 340 for filling the antenna opening 326. The film layer 360 covers the filling portion 340 and is located on the side where the outer surface 322 is located, due to the inclusion of metal. The film layer 360 of oxide particles can exhibit a metallic texture, and thus the appearance of the terminal housing 300 can be made uniform and aesthetic.

Referring again to FIG. 3, in an embodiment, the antenna opening 326 is elongated and extends through both sides of the metal body 320 to separate the metal body 320 into two relatively independent portions. In other embodiments, the antenna opening 326 may also have other shapes such as a circle, a ring, a square, etc., to function as an antenna signal.

Referring again to FIG. 4, in an embodiment, the film layer 360 extends over all or a portion of the outer surface 322. In one embodiment, the film layer 360 has a first surface 362 and a second surface 364 disposed opposite each other, the first surface 362 being smooth, and the second surface 364 closely conforming to the filling portion 340 and the outer surface 322. The film layer 360 may cover the gap between the filling portion 340 and the metal body 320, so that the appearance of the terminal housing 300 has better overall consistency and aesthetics. Referring to FIG. 5, in other embodiments, the film layer 360 may also cover only the filling portion 340. Since the material processed into the film layer 360 is gel-covered on the filling portion 340, during the pressing and curing process, The material may be tightly coupled to the filling portion 340 and the inner wall of the metal body 320 corresponding to the antenna opening 326, so that the metal film layer 360 and the outer surface 322 of the metal body 320 exhibit overall consistency, thereby having better aesthetics. .

Referring again to FIGS. 1 and 3, in an embodiment, the metal body 320 may include a cover portion 328 and a frame portion 329 connected to an edge of the cover portion 328. The cover portion 328 and the frame portion 329 may be integrally connected. Can be detachable connection. Further, in an embodiment, the film layer 360 may extend to cover the cover portion 328. The film layer 360 may cover a portion of the cover portion 328 or may cover all of the cover portions 328, and the overall uniformity and aesthetics of the entire cover portion 328 may be better. Specifically, in an embodiment, the cover portion 328 and the frame portion 329 are an integral connection structure, and the film layer 360 may further extend over the entire cover portion 328 and all or part of the frame portion 329. The film layer 360 may cover a portion of the frame portion 329 or may extend over the entire frame portion 329 such that the cover portion 328 and the frame portion 329 covered by the film layer 360 exhibit better overall consistency and aesthetics. It will be appreciated that the film layer 360 also extends over the overall consistency and aesthetics of the entire cover portion 328 and the entire bezel portion 329.

Referring also to FIGS. 6 and 7, in another embodiment, the film layer 360 is formed with an exposed opening 366 at a portion of the portion covering the outer surface 322 to expose a portion of the metal body 320. The exposed portion can be used for heat dissipation, and can also be used to form a logo or the like for decoration or logo. Alternatively, the exposed opening 366 may be embedded with a decorative component, which may be a trademark or other structure capable of playing a decorative or marking function. The exposed portion can also be used for other purposes, such as forming a connection.

In an embodiment, the position of the metal body 320 connected to the film layer 360 may be rough. The above structure can strengthen the connection strength between the metal body 320 and the film layer 360, and avoid the film layer 360 falling off due to prolonged use. Specifically, in an embodiment, the position of the metal body 320 connected to the film layer 360 may be provided with micro holes. The micropores of the metal body 320 can be formed by a nanocrystallization process. The above-described nanocrystallization treatment may be T treatment, laser engraving treatment or the like.

In an embodiment, the position of the metal body 320 connected to the filling portion 340 may also be rough, and the rough connecting surface may strengthen the connection strength between the metal body 320 and the filling portion 340. Specifically, in an embodiment, the metal body 320 is provided with micropores at a position connected to the filling portion 340. The micropores of the metal body 320 can be formed by a nanocrystallization process. The above-described nanocrystallization treatment may be T treatment, laser engraving treatment or the like. In an embodiment, the fill portion 340 can be formed within the antenna opening 326 by nano-injection.

Referring again to FIG. 4, in an embodiment, the fills 340 can all be located within the antenna opening 326. Referring also to FIG. 8, in another embodiment, a portion 342 of the fill portion 340 is located within the antenna opening 326, and another portion 344 of the fill portion 340 is located outside of the antenna opening 326 and is coupled to the inner surface 324 to reinforce the fill portion 340 and the metal The connection strength of the body 320.

Referring again to FIG. 4, in an embodiment, the fill portion 340 fills the antenna opening 326. Referring to FIG. 5 and FIG. 9, in another embodiment, the filling portion 340 fills a portion of the antenna opening 326, and the film layer 360 fills the antenna opening 326 of other portions. The gel-like material can be squeezed into the antenna opening 326 during the pressing and curing process to fill the antenna opening 326. In embodiments where the fill portion 340 fills the antenna opening 326, the thickness of the film layer 360 is more uniform, making it easier to manage quality.

In one of the embodiments, the film layer 360 may have a thickness of 5 μm to 100 μm. The thickness of the film layer 360 is generally greater than the difference between the filling portion 340 and the outer surface 322 of the metal body 320. In one embodiment, the metal oxide particles are made of alumina.

In one embodiment, the metal oxide particles are Al ₂ O ₃ flakes having a thickness of 500 nm or more, a D50 value of 15-30 μm, and a D90 value of 30-45 μm. Further, in one embodiment, the Al ₂ O ₃ flakes are typically alpha-alumina flakes. The D50 value and the D90 value are the particle size distribution values of the Gaussian distribution, and the particle size distribution D50 is also called the median diameter or the median value of the particle size distribution, which refers to the particle diameter of the largest particle equivalent diameter at 50% in the cumulative distribution. Value. Accordingly, D90 refers to the value of the particle diameter at 90% of the equivalent diameter of the largest particle in the cumulative distribution. The Al ₂ O ₃ flakes in this numerical range have better optical properties, in particular, glittering effect, chroma and gloss, can produce a better metallic texture, and have better chemical stability, even if long-term use of visual effects will not change. In one embodiment, the Al ₂ O ₃ flakes are coated with at least one layer of a metal oxide or a mixture of at least two metal oxides to produce a rich metallic luster and metallic texture.

In one embodiment, the metal oxide particles may be alumina particles or other metal oxide particles such as zinc oxide particles or titanium oxide particles. In one embodiment, the metal oxide particles have a particle size of less than 20 μm. Further, in one embodiment, the metal oxide particles have a particle diameter of from 2 μm to 10 μm, the metal texture is more uniform, and the metal feel is stronger. In one embodiment, the weight ratio of the metal oxide particles in the film layer 360 is less than or equal to 5%. If it is greater than 5%, the communication effect of the antenna module 200 may be affected. Further, in an embodiment, the weight ratio of the metal oxide particles in the film layer 360 is 3% or less. Within this range, the film layer 360 has little influence on the communication effect of the antenna module 200, and the communication effect is better. .

In one embodiment, the film layer 360 may further include bead powder distributed in the resin substrate, and the bead powder may cause the film layer 360 to produce a pearlescent effect. In one embodiment, the bead powder may be pearl powder, may also be mica powder, or may be a mixture of pearl powder and mica powder. In another embodiment, the bead powder may be flake-shaped particles. Specifically, the bead powder is a particulate material coated with an Al ₂ O ₃ flake and coated with a pearlescent effect coating. Further, in one embodiment, the Al ₂ O ₃ flakes have a thickness of 500 nm or more, a D50 value of 15-30 μm, and a D90 value of 30-45 μm, and the Al ₂ O ₃ flakes are generally α-alumina flakes. The Al ₂ O ₃ sheet in this numerical range is suitable as a substrate for preparing an effect pigment, and a pearlescent pigment having high quality, high gloss, and good stability can be obtained.

In one of the embodiments, the material of the resin substrate is an aqueous resin. In an embodiment, the film layer 360 may also include a coating that is distributed in the resin substrate, and the different coatings may cause the film layer 360 to assume a different color. Further, in an embodiment, the coating material may be flake-shaped particles. Specifically, the coating material comprises particles coated with an Al ₂ O ₃ sheet and coated with a color effect coating. Similar to the bead powder, in one embodiment, the Al ₂ O ₃ flakes have a thickness of 500 nm or more, a D50 value of 15 to 30 μm, and a D90 value of 30 to 45 μm, and the Al ₂ O ₃ flakes are α-alumina flakes. The Al ₂ O ₃ sheet in this numerical range is suitable as a substrate for preparing an effect pigment, and an effect color pigment having high quality, high gloss, and good stability can be obtained.

In order to control the particle size, thickness, optical properties and/or surface morphology of the above Al ₂ O ₃ flakes, 0.01 to 5% by weight of one or more dopants may be added based on the Al ₂ O ₃ flakes. The dopant may be selected from one or more of the following compounds: TiO ₂ , ZrO ₂ , SiO ₂ , In ₂ O ₃ , SnO ₂ and ZnO. In one embodiment, the dopant is TiO ₂ and is used in an amount of 0.05 to 3% by weight based on the Al ₂ O ₃ flakes. The above metal oxide particles, bead powder or coating are generally uniformly distributed in the resin substrate.

In another embodiment, a coating may be used in place of the metal oxide particles in the above embodiments. Specifically, in the terminal housing 300 of the present embodiment, the film layer 360 covers the filling portion 340 and all or a portion of the outer surface 322. The film layer 360 includes a resin substrate and a coating material distributed in the resin substrate. Other features can be referred to the above embodiment. The metal body 320 is provided with an antenna opening 326 for transmitting a wireless signal, and the film layer 360 covers the filling portion 340 for filling the antenna opening 326. The film layer 360 covers the filling portion 340 and all or part of the metal body 320, since the film layer 360 can The interface between the filling portion 340 and the metal body 320 is covered, so that the appearance of the terminal housing 300 can be made uniform and beautiful.

In yet another embodiment, the film layer 360 can cover the openings and components of the component, in addition to the antenna opening 326 and filler described above, other openings and components. Specifically, the terminal housing 300 of the present embodiment includes a metal body 320, a component and a film layer 360. The metal body 320 includes an outer surface 322 and an inner surface 324 disposed opposite to each other. The metal body 320 is provided with an outer surface 322 and an inner surface. The opening of 324. The part is located inside the opening. The film layer 360 covers the component and is located on the side where the outer surface 322 is located. The film layer 360 includes a resin substrate and metal oxide particles distributed in the resin substrate.

As shown in FIG. 10, further, in an embodiment, the opening may be the antenna opening 326 in the above embodiment, the component is the filling portion 340 in the above embodiment, and the opening may also be a fingerprint identification opening, and the component may also be It is a fingerprint recognition module 400. In an embodiment, the thickness of the film layer 360 is less than or equal to 100 μm and does not affect the detection during fingerprint recognition. The metal body 320 is provided with an opening for accommodating the component, and the film layer 360 covers the component. Since the film layer 360 containing the metal oxide particles can exhibit a metallic texture, the appearance of the terminal housing 300 can be made uniform and beautiful.

Referring to FIG. 11, an embodiment of the present invention further provides a processing method of the terminal housing 300, which can be used to process the terminal housing 300 in the above embodiment. Including the following steps:

S100, providing a metal body 320 having an antenna opening 326. Specifically, in an embodiment, the aluminum alloy substrate may be processed by CNC, forging, stamping or die casting to form the metal body 320.

S300, injection molding is formed on the metal body 320 to form a filling portion 340 filled in the antenna opening 326.

S500, covering a gel-like material on the filling portion 340, wherein the material comprises a resin substrate and metal oxide particles distributed in the resin substrate.

S700, pressing and solidifying the material on the metal body 320 to form a film layer 360. In one embodiment, the side of the material facing away from the metal body 320 is smooth after the material is pressed against the metal body 320. In one embodiment, the material is pressed onto the metal body 320 by vacuum pressing. In one embodiment, the material can be cured by baking and/or ultraviolet light.

The metal body 320 is provided with an antenna opening 326 for transmitting a wireless signal, the film layer 360 covers a filling portion 340 for filling the antenna opening 326, and the film layer 360 covers the filling portion 340, since the film layer 360 containing metal oxide particles can be presented The metal texture makes it possible to have an overall consistency and aesthetic appearance of the terminal housing 300.

Referring to FIG. 12, in an embodiment, between step S300 and step S500, a step of sanding the outer surface 322 of the metal body 320 is further included (step S400). Sanding can flatten the surface of the metal body 320 and the filling portion 340 to improve product yield.

In an embodiment, in step S300, the filling portion 340 may be formed by nano-injection molding, the processing precision is higher, and the connection is more stable after curing. Referring to FIG. 13 again, in an embodiment, between step S100 and step S300, a step of performing nanocrystallization processing at a position for connecting with the filling portion 340 of the metal body 320 to form a micro hole is further included (step S200). ). During the nano-injection process, the filling portion 340 can enter the micro-holes to strengthen the connection with the metal body 320. Further, in an embodiment, the nanocrystallization process may include a T process or a laser engraving process.

Referring to FIG. 14 , in an embodiment, between step S100 and step S500, a step of performing nano-processing on the position of the metal body 320 for connecting with the film layer 360 to form micro-holes may be further included. S200a). Step S200a may be combined with step S200 as one step, or may be two separate steps. Step S200a may be before step S500, and is not limited to between S100 and step S300. Further, in an embodiment, the nanocrystallization process may include a T process or a laser engraving process. The gel-like material can enter the micropores, and the film layer 360 formed after curing is stronger than the metal body 320, and the film layer 360 may be prevented from falling off due to prolonged use.

For the materials used in the processing method of the present embodiment, and the specific structure formed, reference may be made to the terminal housing 300 in the embodiment shown in FIGS. 1 to 10 described above.

The technical features of the above-described embodiments may be arbitrarily combined. For the sake of brevity of description, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be considered as the scope of this manual.

The above-described embodiments are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the invention. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be determined by the appended claims.

Claims

A terminal housing includes:

a metal body comprising opposite outer and inner surfaces, the metal body being provided with an antenna opening extending through the outer surface and the inner surface;

a filling portion, the filling portion being located within the antenna opening;

a film layer covering the filling portion and located on a side where the outer surface is located; the film layer including a resin substrate and metal oxide particles distributed in the resin substrate.
The terminal housing of claim 1 wherein said film layer extends over all or a portion of said outer surface.
The terminal housing according to claim 2, wherein the metal body comprises a cover portion and a frame portion connected to an edge of the cover portion, the cover portion and the frame portion being integrally connected or a detachable connection; the film layer extends over the entire cover portion, and the film layer extends to cover all or part of the frame portion.
The terminal housing according to claim 1, wherein a position of the metal body that is connected to the film layer is rough.
The terminal housing according to claim 1, wherein a position of the metal body that is connected to the filling portion is rough.
The terminal housing according to claim 1, wherein the filling portion is entirely located in the antenna opening; or

A portion of the filling portion is located within the antenna opening, and another portion of the filling portion is located outside the antenna opening and is coupled to the inner surface.
The terminal housing according to claim 1, wherein the filling portion fills the antenna opening; or

The filling portion fills the antenna opening of the portion, and the film layer fills the antenna opening of the other portion.
The terminal housing according to claim 1, wherein the metal body is made of aluminum alloy or stainless steel; and the metal oxide particles are made of alumina.
The terminal housing according to claim 1, wherein said metal oxide particles have a particle diameter of less than 20 μm, and said metal oxide particles in said film layer have a weight ratio of 5% or less.
The terminal housing according to claim 1, wherein the film layer further comprises bead powder distributed in the resin substrate, the bead powder comprising one or both of pearl powder and mica powder .
The terminal housing according to claim 1, wherein the film layer further comprises bead powder distributed in the resin substrate, the bead powder being coated with Al 2 O 3 flakes and coated Particulate matter with a pearlescent effect coating.
The terminal housing according to claim 1, wherein the material of the resin substrate is an aqueous resin.
The terminal housing according to claim 1, wherein the film layer further comprises a coating material distributed in the resin substrate.
The terminal housing according to claim 13, wherein the coating comprises particles coated with an Al 2 O 3 sheet and coated with a color effect coating.
An electronic device comprising the terminal housing according to any one of claims 1 to 14.
A mobile phone comprising:

Display screen

Antenna module;

The terminal housing according to any one of claims 1 to 14, wherein the terminal housing and the display screen enclose an accommodating cavity, and the antenna module is located in the accommodating cavity, the antenna module The group transmits signals through the antenna opening.
A terminal housing includes:

a metal body comprising opposite outer and inner surfaces, the metal body being provided with an antenna opening extending through the outer surface and the inner surface;

a filling portion, the filling portion being located within the antenna opening;

a film layer covering the filling portion and all or a portion of the outer surface; the film layer comprising a resin substrate and a coating material distributed in the resin substrate.
A terminal housing includes:

a metal body comprising opposite outer and inner surfaces, the metal body being provided with an opening extending through the outer surface and the inner surface;

a component, the component being located within the opening;

a film layer covering the member; the film layer comprising a resin substrate and metal oxide particles distributed in the resin substrate.
The terminal housing according to claim 18, wherein the opening is an antenna opening and the component is a filling portion.
The terminal housing according to claim 18, wherein the opening is a fingerprint recognition opening, and the component is a fingerprint recognition module.