Abstract:
A radiator frame includes: a radiator including an antenna pattern part configured to transmit or receive a signal and a terminal connection part configured to electrically connect the antenna pattern part and a circuit board to each other; a molding frame surrounding the radiator, wherein the antenna pattern part is exposed to a first surface of the molding frame and the terminal connection part is exposed to a second surface of the molding frame; and an extension frame formed separately from the molding frame and enclosing at least a portion of edges of the molding frame.

Description:
CROSS-REFERENCE TO RELATED APPLICATION(S) 
       [0001]    This application claims the benefit of Korean Patent Application No. 10-2015-0013821 filed on Jan. 28, 2015 in the Korean Intellectual Property Office, the entire disclosure of which is incorporated herein by reference for all purposes. 
       BACKGROUND 
       [0002]    1. Field 
         [0003]    The following description relates to a radiator frame having an antenna pattern embedded therein and an electronic device including the same. 
         [0004]    2. Description of Related Art 
         [0005]    Recently, a method of using an injection-molding process to embed a radiator in a radiator frame and a method using two injection-molding processes to embed a radiator in an antenna pattern frame or an electronic device case have been used. That is, according to the related art, a method of forming a radiator frame by injection-molding the radiator frame around an antenna radiator and mechanically attaching the radiator frame to the electronic device case or integrating the radiator frame with the electronic device case by additional injection-molding has been used. 
         [0006]    However, in a method including forming a radiator frame by performing injection-molding, a significant amount of time and effort may be required and manufacturing costs may be increased. 
       SUMMARY 
       [0007]    This Summary is provided to introduce a selection of concepts in a simplified form that are further described below in the Detailed Description. This Summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter. 
         [0008]    According to one general aspect, a radiator frame includes: a radiator including an antenna pattern part configured to transmit or receive a signal, and a terminal connection part configured to electrically connect the antenna pattern part and a circuit board to each other; a molding frame surrounding the radiator, wherein the antenna pattern part is exposed to a first surface of the molding frame and the terminal connection part is exposed to a second surface of the molding frame; and an extension frame formed separately from the molding frame and enclosing at least a portion of edges of the molding frame. 
         [0009]    The extension frame may be formed by injection-molding. 
         [0010]    The extension frame may include a seating part to which the molding frame is configured to be fitted. 
         [0011]    The seating part may include an opening having a same shape as a shape of the edges of the molding frame. 
         [0012]    The seating part may include a recess having a same shape as a shape of the portion of the edges of the molding frame. 
         [0013]    The molding frame may be configured to be slid and coupled to the seating part and may be configured to be fixed to the seating part by using an adhesive. 
         [0014]    The molding frame may be configured to be fixed to the seating part by press-fitting. 
         [0015]    The extension frame may be integrally molded with the molding frame. 
         [0016]    The molding frame and the extension frame may be formed of a same material. 
         [0017]    An electronic device may include: an electronic device case; the radiator frame mounted in the electronic device case; and the circuit board, wherein the circuit board is electrically connected to the terminal connection part and configured to receive a signal from the radiator or transmit a signal to the radiator. 
         [0018]    According to another general aspect, a method of manufacturing a radiator frame includes: embedding a radiator in a molding frame by performing an injection-molding process; providing an extension frame that is formed separately from the molding frame; and enclosing at least a portion of edges of the molding frame in the extension frame. 
         [0019]    Providing the extension frame may include performing an additional injection-molding process to form the extension frame. 
         [0020]    Performing the additional injection-molding process may include integrally molding the extension frame with the molding frame. 
         [0021]    The method may further include fitting the molding frame to a seating part of the extension frame. 
         [0022]    The seating part may include an opening having a same shape as a shape of the edges of the molding frame. 
         [0023]    The seating part may include a recess having a same shape as a shape of the portion of the edges of the molding frame. 
         [0024]    Fitting the molding frame to the seating part may include sliding the molding frame into the seating part and fixing the molding frame to the seating part by using an adhesive. 
         [0025]    Fitting the molding frame to the seating part may include fixing the molding frame to the seating part by press-fitting. 
         [0026]    Other features and aspects will be apparent from the following detailed description, the drawings, and the claims. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0027]      FIG. 1  is a schematic perspective view illustrating a manner in which a radiator frame is coupled to a case of a mobile communications terminal, according to an embodiment. 
           [0028]      FIG. 2  is a schematic exploded perspective view illustrating a mobile communications terminal manufactured using a radiator frame, according to an embodiment. 
           [0029]      FIG. 3  is a schematic perspective view illustrating a radiator provided in a radiator frame, according to an embodiment. 
           [0030]      FIG. 4  is a schematic perspective view illustrating a radiator frame, according to an embodiment. 
           [0031]      FIG. 5  is a schematic cross-sectional view taken along line A-A′ of  FIG. 4 . 
           [0032]      FIG. 6  is an exploded perspective view of a radiator frame which is separated into a molding frame and an extension frame, according to an embodiment. 
           [0033]      FIG. 7  is an exploded perspective view of a radiator frame, according to another embodiment. 
       
    
    
       [0034]    Throughout the drawings and the detailed description, the same reference numerals refer to the same elements. The drawings may not be to scale, and the relative size, proportions, and depiction of elements in the drawings may be exaggerated for clarity, illustration, and convenience. 
       DETAILED DESCRIPTION 
       [0035]    The following detailed description is provided to assist the reader in gaining a comprehensive understanding of the methods, apparatuses, and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatuses, and/or systems described herein will be apparent to one of ordinary skill in the art. The sequences of operations described herein are merely examples, and are not limited to those set forth herein, but may be changed as will be apparent to one of ordinary skill in the art, with the exception of operations necessarily occurring in a certain order. Also, descriptions of functions and constructions that are well known to one of ordinary skill in the art may be omitted for increased clarity and conciseness. 
         [0036]    The features described herein may be embodied in different forms, and are not to be construed as being limited to the examples described herein. Rather, the examples described herein have been provided so that this disclosure will be thorough and complete, and will convey the full scope of the disclosure to one of ordinary skill in the art. 
         [0037]      FIG. 1  is a schematic perspective view illustrating a manner in which a radiator frame  200  is coupled to a case  410  of a mobile communications terminal  400 , which is an electronic device, according to an embodiment.  FIG. 2  is a schematic exploded perspective view schematically illustrating the mobile communications terminal  400  manufactured using the radiator frame  200 , according to an embodiment. 
         [0038]    Referring to  FIGS. 1 and 2 , the mobile communications terminal  400  includes the case  410  forming an exterior of the terminal  400 , and a battery cover  420  covering a battery mounting part  430  and the radiator frame  200 . 
         [0039]    The radiator frame  200  includes a molding frame  210  in which a radiator  100  is embedded, and an extension frame  230  surrounding outer edges of the molding frame  210 . The molding frame  210  is formed by injection-molding a moldable material (e.g., a thermoplastic material) around the radiator  100 , and the molding frame  210  may be slightly larger than the radiator  100 , whereby a manufacturing yield and manufacturing reliability of the molding frame  210  may be improved. 
         [0040]    Since a molding frame having an insufficient size may be supplemented with the extension frame  230  surrounding and extending from the outer edges of the molding frame  210 , flexibility of production of a product may be increased, whereby productivity of the product may be improved. For example, the molding frame  210  may be formed by only adjusting a mold for an antenna shape that may be changed at any time without changing the shape of the extension frame  230 , whereby the productivity of the product may be improved. 
         [0041]    The radiator  100  includes a terminal connection part  130  configured to be connected to a terminal  510  of a circuit board  500 . Thus, the radiator frame  200  may be mounted in the mobile communications terminal  400  such that the connection part  130  is connected to the terminal  510  and the radiator frame  200  thereby serves as an antenna in the mobile communications terminal  400 . 
         [0042]    In a case in which an antenna pattern part  110  is mounted in an electronic device such as the mobile communications terminal  400 , or the like, when the radiator frame  200  is not covered with the battery cover  420 , the antenna pattern part  110  may be exposed to an external environment. Therefore, a protective coating (not illustrated) may be provided on one surface of the radiator frame  200  to which the antenna pattern part  110  is exposed or on the antenna pattern part  110 . For example, the protective coating may be immediately formed by spraying a liquid by painting, or the like, or may be simply formed by attaching a ready-made article such as a film, a coating, or the like. 
         [0043]      FIG. 3  is a schematic perspective view illustrating the radiator  100  according to an embodiment. 
         [0044]    As shown in  FIG. 3 , the radiator  100  includes the antenna pattern part  110  configured to transmit or receive signals, a connecting part  120 , and the terminal connection part  130  configured to allow the signals to be transmitted to or received from the circuit board  500 . The radiator  100  is formed of a conductive material such as aluminum, copper, or the like, and is configured to receive external signals and transmit the received signals to a signal processing device of the mobile communications terminal  400 . In addition, the antenna pattern part  110  forms a meandering line in order to receive external signals in various bands. 
         [0045]    In addition, the antenna pattern part  110  and the terminal connection part  130  are connected to each other by the connecting part  120 , and the antenna pattern part  110  and the terminal connection part  130  are bent with respect to each other such that the radiator  100  has a three-dimensional structure. More specifically, the connecting part  120  connects the antenna pattern part  110  and the terminal connection part  130  to each other such that the antenna pattern part  110  is formed on one surface of the molding frame  210  and the terminal connection part  130  is formed on the other surface of the molding frame  210  that opposes the one surface of the molding frame  210 . 
         [0046]    The terminal connection part  130  transmits signals received by the antenna pattern part  110  to the circuit board  500  or transmits signals to be transmitted externally from the circuit board  500  to the antenna pattern part  110 , and elastically contacts the terminal  510  of the circuit board  500  in order to provide a reliable connection between the terminal connection part  130  and the terminal  510 , and thereby provide reliability in transmitting the signals. 
         [0047]    A component for providing elastic force may be added to the terminal connection part  130 . That is, after the radiator frame  200  in which the antenna pattern  110  is embedded is injection-molded, external force may be applied to the terminal connection part  130  to bend the terminal connection part  130  in order to provide elasticity to the terminal connection part  130 . In this case, a reinforcing member (not illustrated) such as a reinforcing embossing, or the like, may be formed on a boundary between the connecting part  120  and the terminal connection part  130 , thereby providing the elastic force of the terminal connection part  130 . 
         [0048]    Referring to  FIGS. 4 through 6 , as described above, the radiator frame  200 , according to an embodiment, includes the radiator  100 , the molding frame  210 , and the extension frame  230 .  FIG. 4  is a schematic perspective view illustrating the radiator frame  200  according to an embodiment.  FIG. 5  is a schematic cross-sectional view taken along line A-A′ of  FIG. 4 .  FIG. 6  is an exploded perspective view of the radiator frame  200  with the molding frame  210  and the extension frame  230  separated from each other. 
         [0049]    As discussed above, the molding frame  210  is manufactured by injection-molding the radiator  100 , and the connection terminal  130  has elasticity. That is, when the injection-molding to embed the radiator  100  in the molding frame  210  is completed, the terminal connection part  130  is rotated and bent to be spaced apart from the molding frame  210 . In this case, since an elastic body is provided as the radiator  100 , the terminal connection part  130  naturally has elasticity. Since other structures for reinforcing the elastic force have been described above in detail, further descriptions thereof will be omitted. 
         [0050]    The antenna pattern part  110  is formed on one surface  210   a  of the molding frame  210 , and the terminal connection part  130  is formed on another surface  210   b  of the molding frame  210  that opposes the surface  210   a.  Also, as previously described, the extension frame  230  surrounds and encloses the outer edges of the molding frame  210 . 
         [0051]    The extension frame  230  is manufactured separately from the molding frame  210  by, for example, injection-molding. However, the extension frame  230  is not limited to being manufactured by injection-molding, but may be manufactured by various manufacturing methods. In addition, the extension frame  230  includes a seating part  231  to which the molding frame  210  is fitted. The seating part  231  is, for example, an opening in the extension frame  230  and has the same shape as that of the edge of the molding frame  210 . 
         [0052]    The molding frame  210  may be fitted into and attached to the seating part  231  of the extension frame  230 . For example, the molding frame  210  may be slid and coupled to the seating part  231  and may then be fixed to the seating part  231  by using an adhesive or may be fixed to the seating part  231  by press-fitting. Also, in case in which the molding frame  210  is press-fitted into the seating part  231 , additional bonding may be performed by applying an adhesive to secure the molding frame  210  in the seating part  231 . 
         [0053]    Alternatively, the extension frame  230  may be manufactured by injection-molding a molding material for the extension frame  230  around the molding frame  210 . In this case, the extension frame  230  is formed integrally with the molding frame  210  is manufactured by fixing the molding frame  210 , which is manufactured in advance, to a mold and injecting an injection-molding solution into the mold. In addition, the injection-molding solution may be injected to entirely enclose the outer edges of the molding frame  210 , such that the radiator frame  200  having the extension frame  230  enclosing the entire edge of the molding frame  210  is formed. The injection-molding solutions used for manufacturing the molding frame  210  and the extension frame  230  may be formed of the same material. 
         [0054]      FIG. 7  is an exploded perspective view of a radiator frame  300  according to another embodiment. 
         [0055]    As shown in  FIG. 7 , the radiator frame  300  includes an extension frame  330  enclosing the outer edges of the molding frame  210 . In this case, the extension frame  330  includes a seating part  331  that is a recess in an edge or a corner of the extension frame  330 . The seating part  331  may have the same shape as that of a portion of the outer edges of the molding frame  210 . 
         [0056]    In addition, the molding frame  210  may be fitted into and attached to the seating part  331 . For example, the molding frame  210  may be slid and coupled to the seating part  331  and be then fixed to the seating part  331  by using an adhesive, or may be fixed to the seating part  331  by press-fitting. Also, in case in which the molding frame  210  is press-fitted into the seating part  331 , additional bonding may be performed by applying an adhesive to secure the molding frame  210  in the seating part  331 . 
         [0057]    Alternatively, the extension frame  230  may be manufactured by injection-molding a molding material for the extension frame  330  around the molding frame  210 . In this case, the extension frame  330  is formed integrally with the molding frame  210  and is manufactured by fixing the molding frame  210 , which is manufactured in advance, to a mold and injecting an injection-molding solution into the mold. In addition, the injection-molding solution may be injected to enclose a portion of the outer edges of the molding frame  210 , such that the radiator frame  300  having the extension frame  330  enclosing the portion of the outer edges of the molding frame  210  is formed. The injection-molding solutions used for manufacturing the molding frame  210  and the extension frame  330  may be formed of the same material. 
         [0058]    As set forth above, according to the embodiments disclosed herein, a radiator frame having high reliability and good manufacturing yields through a simple structural change may be provided. 
         [0059]    While this disclosure includes specific examples, it will be apparent to one of ordinary skill in the art that various changes in form and details may be made in these examples without departing from the spirit and scope of the claims and their equivalents. The examples described herein are to be considered in a descriptive sense only, and not for purposes of limitation. Descriptions of features or aspects in each example are to be considered as being applicable to similar features or aspects in other examples. Suitable results may be achieved if the described techniques are performed in a different order, and/or if components in a described system, architecture, device, or circuit are combined in a different manner, and/or replaced or supplemented by other components or their equivalents. Therefore, the scope of the disclosure is defined not by the detailed description, but by the claims and their equivalents, and all variations within the scope of the claims and their equivalents are to be construed as being included in the disclosure.