KR101709471B1 - Metal frame of mobile terminal having excellent aesthetic sense and method for manufacturing the same - Google Patents

Metal frame of mobile terminal having excellent aesthetic sense and method for manufacturing the same Download PDF

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Publication number
KR101709471B1
KR101709471B1 KR1020150082532A KR20150082532A KR101709471B1 KR 101709471 B1 KR101709471 B1 KR 101709471B1 KR 1020150082532 A KR1020150082532 A KR 1020150082532A KR 20150082532 A KR20150082532 A KR 20150082532A KR 101709471 B1 KR101709471 B1 KR 101709471B1
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KR
South Korea
Prior art keywords
metal frame
resin
mobile terminal
groove
groove portion
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Application number
KR1020150082532A
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Korean (ko)
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KR20160147090A (en
Inventor
장현
오상정
이영섭
하상우
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(주) 장원테크
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Priority to KR1020150082532A priority Critical patent/KR101709471B1/en
Publication of KR20160147090A publication Critical patent/KR20160147090A/en
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Publication of KR101709471B1 publication Critical patent/KR101709471B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)

Abstract

A metal frame for a mobile terminal having excellent aesthetics and a method of manufacturing the same are disclosed. A metal frame for a mobile terminal having excellent esthetics, which is one aspect of the present invention, includes a metal frame having a groove formed in a part of the surface of the mobile terminal, a resin filled in the groove of the metal frame, The surface of the metal frame has a continuous plane or a curved surface with no step and the resin and the metal frame are different from each other in at least one of color, lightness, saturation and hue, the groove portion is formed as one along the longitudinal direction of the side portion of the mobile terminal, The surface of the groove portion can be activated by etching or by sanding to maximize the surface area before the resin is filled in the groove portion of the groove.

Description

FIELD OF THE INVENTION [0001] The present invention relates to a metal frame for a mobile terminal,

The present invention relates to a metal frame for a mobile terminal and a method of manufacturing the same.

As the functions are diversified, the terminal is implemented in the form of a multimedia device having a complex function of, for example, taking pictures or moving pictures, playing music or moving picture files, receiving games and receiving broadcasts have.

Meanwhile, a terminal can be divided into a mobile terminal (mobile / portable terminal) and a stationary terminal according to whether the terminal can be moved. Among them, the mobile terminal is a portable device having at least one function that can carry out voice and video communication, a function to input and output information, and a function to store data while being portable.

Among various components of the mobile terminal, since the metal frame is exposed to the external appearance of the mobile terminal, a variety of new designs are required rather than a simple shape of a single color.

An aspect of the present invention is to provide a metal frame for a mobile terminal having excellent aesthetics and a method of manufacturing the same.

According to one aspect of the present invention, there is provided a metal frame for a mobile terminal, which has excellent aesthetics, including: a metal frame having a groove formed in a part of a surface of the mobile terminal; Wherein the surface of the resin and the metal frame has a continuous flat or curved surface without a step, and the resin and the metal frame are different in color, lightness, saturation, and color tone from each other The grooves are formed along the longitudinal direction of the side surface of the mobile terminal, and the surface of the grooves is etched or sanded by etching before filling the grooves of the metal frame with the resin. And the surface of the groove portion is activated by maximizing the surface area.

According to another aspect of the present invention, there is provided a method of manufacturing a metal frame for a mobile terminal, the method comprising the steps of: preparing a metal frame having a groove formed in a part of a surface of the mobile terminal; Activating a surface of the groove by etching or etching the surface of the groove of the prepared metal frame to maximize the surface area by sanding; Injecting a resin into the groove of the metal frame and drying the resin; And machining a surface of the resin and the metal frame so that the surfaces of the resin and the metal frame have continuous planes or curved surfaces without a step, wherein the grooves are formed as one unit along the longitudinal direction of the side portion of the mobile terminal And the resin and the metal frame are characterized in that at least one of hue, lightness, saturation and hue is different.

In addition, the solution of the above-mentioned problems does not list all the features of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS The various features and advantages and effects of the present invention will become more fully understood with reference to the following specific embodiments.

The mobile terminal including the metal frame for a mobile terminal according to an embodiment of the present invention has a merit that a unique pattern can be realized in the appearance to bring about a unique aesthetic feeling and a high quality appearance.

1 is a schematic view schematically showing the appearance of a typical mobile terminal.
2 is a schematic view illustrating the appearance of a mobile terminal equipped with a metal frame for a mobile terminal according to an embodiment of the present invention.
3 is a schematic view schematically illustrating a metal frame for a mobile terminal according to an embodiment of the present invention.
FIG. 4A is a side view of FIG. 3 viewed from direction A, and FIG. 4B is a cross-sectional view of FIG. 3 taken along line BB '.
5 is a schematic view illustrating a process of manufacturing a metal frame for a mobile terminal according to an embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

However, the embodiments of the present invention may be modified into various other forms, and the scope of the present invention is not limited to the embodiments described below. The shape and the size of the elements in the drawings may be exaggerated for clarity and the same elements are denoted by the same reference numerals in the drawings. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise.

The mobile terminal 100 described in the present specification may be a cellular phone, a smart phone, a laptop computer, a tablet PC, a digital broadcasting terminal, a PDA (personal digital assistant), a portable multimedia Player), navigation, and the like.

However, it will be readily appreciated by those of ordinary skill in the art that the configuration according to the embodiments described herein may be applied to fixed terminals such as a digital TV, a desktop computer, and the like, .

1 is a schematic view schematically showing the appearance of a typical mobile terminal. 1, the mobile terminal 100 may have a bar-like appearance. The bar-shaped mobile terminal 100 includes a front case 10 having a display device, an input device, A rear case 30 formed separately for attaching and detaching the battery pack, and a metal frame 20 positioned between the front case and the rear case to form an outer appearance of the mobile terminal and serving as a base member for providing durability can do.

However, the present invention is not limited thereto. The metal frame may be a slide type in which two or more bodies are relatively movably coupled, a bar type, a folder type, a swing type , Swivel type, and so on. In addition, when the front case 10 or the rear case 30 of FIG. 1 is made of metal, the present invention is also applicable to these cases.

FIG. 2 is a schematic view illustrating the outer appearance of a mobile terminal 100 equipped with a metal frame 20 for a mobile terminal according to an embodiment of the present invention. FIG. 3 is a schematic view illustrating a mobile terminal 100 according to an embodiment of the present invention. FIG. 4A is a side view of the metal frame 20 taken along the line A in FIG. 3, and FIG. 4B is a cross-sectional view of the metal frame 20 taken along line BB ' to be. Hereinafter, a metal frame 20 for a mobile terminal, which is one aspect of the present invention, will be described in detail with reference to FIGS.

The metal frame 20 for a mobile terminal, which is one aspect of the present invention and has excellent aesthetics, includes a metal frame 21 on which a groove 22 is formed on a part of the surface forming the outer appearance of the mobile terminal; And a resin (24) filled in a groove (22) of the metal frame, wherein the surface of the resin and the metal frame has a continuous plane or curved surface without a step, and the resin and the metal frame have color, brightness, And at least one of color tones is different.

The material of the metal frame 21 on which the groove is formed is not particularly limited, and may be, for example, any one of aluminum alloy, magnesium alloy, titanium alloy and stainless steel.

According to an embodiment of the present invention, the outer surface of the mobile terminal is the surface of the side surface of the mobile terminal, and the groove 22 may be formed in the longitudinal direction of the side surface of the mobile terminal.

According to an embodiment of the present invention, the groove portion 22 may have a cross-sectional shape, for example, a trapezoidal shape, in which the entrance is narrowed in the direction in which the resin is injected. As described above, when the cross-sectional shape of the entrance has a narrow trapezoidal shape, the contact area between the metal frame and the resin is widened to further improve the adhesion, and it is possible to easily prevent the resin from escaping. However, the present invention is not limited thereto, and the present invention can be easily applied to any shape of the cross section if the entrance is narrow and the resin can be easily prevented from being separated.

In the present invention, the specific kind of the resin (24) is not particularly limited and may be, for example, a thermosetting resin such as an epoxy resin.

Although not shown in FIGS. 2 to 4, according to one embodiment of the present invention, a UV coating layer or a resin coating layer is formed on the surface of the resin and the metal frame, or an anodic oxidation coating and an electrodeposition coating layer formed by an anodizing treatment are formed . In this case, the completeness of the product is increased, the corrosion resistance is improved, the reliability of the product can be secured, and various colors can be added.

5 is a schematic view illustrating a process of manufacturing the metal frame 20 for a mobile terminal according to an embodiment of the present invention. Hereinafter, a method of manufacturing a metal frame for a mobile terminal according to another aspect of the present invention will be described in detail with reference to FIG.

According to another aspect of the present invention, there is provided a method of manufacturing a metal frame for a mobile terminal having excellent aesthetics, comprising: preparing a metal frame having a groove part formed on a part of a surface of the mobile terminal; Injecting a resin (24) into the groove (22) of the metal frame (21) and drying the resin (24); And processing the surface of the resin and the metal frame such that the surface of the resin and the metal frame has a continuous plane or curved surface without a step, the resin and the metal frame being at least one of color, lightness, Or more.

According to one embodiment of the present invention, the groove portion 22 of the metal frame can be formed by any one of press working, extrusion machining, CNC machining, electric pole machining, mechanical cutting machining, and chemical machining.

According to an embodiment of the present invention, in order to further improve the adhesion between the metal frame and the resin, a step of activating the surface of the groove before injecting resin into the groove of the metal frame may be further included. At this time, activation of the surface of the groove portion can be achieved by etching the surface of the groove portion by etching or by maximizing the surface area by sanding.

The method of processing the surface of the resin and the metal frame is not particularly limited and may be, for example, mechanical cutting or chemical removal.

According to one embodiment of the present invention, after the surface processing of the resin and the metal frame, the surface of the resin and the metal frame can be light-buffed and cleaned.

According to an embodiment of the present invention, a UV coating layer or a resin coating layer may be formed on the surface of the resin and the metal frame, or an anodic oxidation layer may be formed by anodizing treatment after the light buffing and cleaning, After the film is formed, an electrodeposition coating layer can be formed.

When the metal frame for a mobile terminal as described above is applied to a mobile terminal, a distinctive pattern can be realized to give a unique aesthetic appearance and an advantage of having a high-grade appearance.

The metal frame for a mobile terminal and the method of manufacturing the same described above are not limited to the configuration and method of the embodiments described above, and the embodiments may be applied to all or some of the embodiments May be selectively combined.

10: front case 20: metal frame
21: metal frame with groove portion 22:
24: Resin 30: Rear case
100: mobile terminal

Claims (14)

A metal frame on which a groove is formed in a part of a surface of the mobile terminal;
And a resin filled in the groove portion of the metal frame,
Wherein the surface of the resin and the metal frame has a continuous plane or curved surface without a step,
Wherein the resin and the metal frame differ in at least one of hue, brightness, saturation and hue,
Wherein the groove portion is formed as one along the longitudinal direction of the side portion of the mobile terminal,
Characterized by activating the surface of the groove portion by maximizing the surface area by etching or sanding the surface of the groove portion by etching before filling the groove portion of the metal frame with the resin, Excellent metal frame for mobile terminals.
The method according to claim 1,
Wherein the material of the metal frame is one of an aluminum alloy, a magnesium alloy, a titanium alloy, and a stainless steel.
The method according to claim 1,
The metal frame for a mobile terminal according to claim 1, wherein the surface of the mobile terminal is a surface of a side portion of the mobile terminal.
The method according to claim 1,
Wherein the groove portion has a cross section in the form of a narrow entrance when viewed from the direction in which the resin is injected.
The method according to claim 1,
And further comprising a UV coating layer or a resin coating layer formed on the surface of the resin and the metal frame.
The method according to claim 1,
And an electrodeposited coating layer sequentially formed on the surface of the resin and the metal frame.
Preparing a metal frame having a groove formed in a part of a surface of the mobile terminal;
Activating a surface of the groove by etching or etching the surface of the groove of the prepared metal frame to maximize the surface area by sanding;
Injecting a resin into the groove of the metal frame and drying the resin; And
And processing the surface of the resin and the metal frame such that the surface of the resin and the metal frame has a continuous plane or curved surface without a step,
Wherein the groove portion is formed as one along the longitudinal direction of the side portion of the mobile terminal,
Wherein the resin and the metal frame are different in at least one of hue, lightness, saturation, and color tone.
8. The method of claim 7,
Wherein the groove portion of the metal frame is formed by any one of press working, extrusion machining, CNC machining, electric pole machining, mechanical machining, and chemical machining.
delete delete 8. The method of claim 7,
Wherein the surface of the resin and the metal frame is excellent in aesthetic sense by mechanical cutting or chemical removal.
8. The method of claim 7,
Further comprising the step of light-buffing and cleaning the surface of the resin and the metal frame after surface processing of the resin and the metal frame.
13. The method of claim 12,
Further comprising forming a UV coating layer or a resin coating layer on the surface of the resin and the metal frame after the light buffing and cleaning.
13. The method of claim 12,
Anodizing the surface of the resin and the metal frame to form an anodized film after the light buffing and cleaning; And
And forming an electrodeposition coating layer on the surface of the anodized coating film.
KR1020150082532A 2015-06-11 2015-06-11 Metal frame of mobile terminal having excellent aesthetic sense and method for manufacturing the same KR101709471B1 (en)

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KR101709471B1 true KR101709471B1 (en) 2017-02-27

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CN108901154B (en) * 2018-06-29 2020-06-30 Oppo广东移动通信有限公司 Middle frame manufacturing method, middle frame and electronic device
KR102521326B1 (en) * 2018-07-06 2023-04-13 삼성전자주식회사 Case of electronic device and manufacturing method thereof
KR102518399B1 (en) * 2018-10-26 2023-04-06 삼성전자주식회사 Member of metal structure and nonmetal structure in electronic device, and method for manufacturing the same
EP4319111A4 (en) 2021-07-08 2024-10-16 Samsung Electronics Co Ltd Electronic device comprising support member
WO2023282440A1 (en) * 2021-07-08 2023-01-12 삼성전자 주식회사 Electronic device comprising support member

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KR101452766B1 (en) * 2008-08-01 2014-10-21 엘지전자 주식회사 Portable terminal case, portable terminal having the same and method for manufacturing portable terminal case
KR101100081B1 (en) * 2009-06-19 2011-12-29 케이씨케미칼 주식회사 Resin-integrated metal case for electronic proudct and method for manufacturing the same
KR101240273B1 (en) * 2011-06-01 2013-03-11 엘지전자 주식회사 Mobile terminal

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