Electronic device comprising antenna

Abstract

An electronic device of the present disclosure comprises: a communication circuit; a printed circuit board on which a first ground terminal, a second ground terminal, a third ground terminal, a feeding terminal disposed between the second ground terminal and the third ground terminal, and a plurality of connection wirings are disposed; and an antenna radiator electrically connected to the printed circuit board, wherein the antenna radiator includes a first radiator electrically connected to the feeding terminal and the first ground terminal, and a second radiator electrically connected to the second ground terminal or the third ground terminal through a switch, and the printed circuit board may include a ground pattern electrically connected to the second radiator and the second ground terminal through the switch while crossing a feeding line connecting the feeding terminal to the first radiator.

Description

Electronic device including an antenna

[0001] The present disclosure relates to an electronic device including an antenna.

[0002] With the recent advancement of digital technology, a variety of electronic devices capable of communication and personal information processing while on the move, such as mobile communication terminals, PDAs (personal digital assistants), electronic notebooks, smartphones, and tablet PCs (personal computers), are being released, and the thickness of these devices is gradually becoming slimmer.

[0003] The information described above may be provided as related art for the purpose of aiding understanding of the present disclosure. No claim or determination is made as to whether any of the foregoing may be applied as prior art related to the present disclosure.

[0004] An electronic device according to one embodiment of the present disclosure may include a communication circuit.

[0005] An electronic device according to one embodiment of the present disclosure may include a first ground terminal, a second ground terminal, a third ground terminal, a feeding terminal disposed between the second ground terminal and the third ground terminal, and a printed circuit board having a plurality of connecting wires disposed therein.

[0006] An electronic device according to one embodiment of the present disclosure may include an antenna radiator electrically connected to the printed circuit board.

[0007] The antenna radiator according to one embodiment of the present disclosure may include a first radiator electrically connected to the feeding terminal and the first ground terminal.

[0008] According to one embodiment of the present disclosure, the antenna radiator may include a second radiator that is electrically connected to the second ground terminal or the third ground terminal through a switch.

[0009] According to one embodiment of the present disclosure, the printed circuit board may include a ground pattern that electrically connects the second radiator and the second ground terminal through the switch while crossing a feeding line connecting the feeding terminal and the first radiator.

[0010] In relation to the description of the drawings, the same or similar reference numerals may be used for identical or similar components.

[0011] FIG. 1 is a block diagram of an exemplary electronic device capable of performing the operations described in the present disclosure.

[0012] FIG. 2 is a drawing showing a front view of an electronic device according to one embodiment of the present disclosure.

[0013] FIG. 3 is a drawing showing a cross-sectional view of the electronic device of FIG. 2 in the AB direction according to one embodiment of the present disclosure.

[0014] FIG. 4 is a diagram showing the electrical connection relationship between a printed circuit board and an antenna radiator included in an electronic device according to one embodiment.

[0015] FIG. 5 is a diagram showing the electrical connection relationship between the printed circuit board of FIG. 4 and the antenna radiator according to one embodiment as an equivalent circuit.

[0016] FIG. 6a is a graph showing the total radiation efficiency by frequency band radiated from an antenna of an electronic device according to one embodiment.

[0017] FIG. 6b is a graph showing the total radiation efficiency by frequency band radiated from an antenna of an electronic device according to one embodiment.

[0018] FIG. 6c is a graph showing the total radiation efficiency by frequency band radiated from an antenna of an electronic device according to one embodiment.

[0019] FIG. 7a is a diagram showing the current distribution of an electronic device in a specific frequency band when the third radiator and the fourth radiator are spaced apart and there is no overlapping portion.

[0020] FIG. 7b is a diagram showing the current distribution of an electronic device in a specific frequency band when the length of the fourth radiator is extended in the y-axis direction without changing the length of the third radiator in FIG. 7a.

[0021] FIG. 7c is a diagram showing the current distribution of an electronic device in a specific frequency band when the length of the fourth radiator is extended in the x-axis direction without changing the length of the third radiator in FIG. 7a.

[0022] FIG. 7d is a diagram showing the current distribution of an electronic device in a specific frequency band when the length of the third radiator in FIG. 7a is extended in the x-axis direction and the length of the fourth radiator is extended in the x-axis direction and the third radiator and the fourth radiator intersect.

[0023] Figure 8 is a graph showing the modal significance of the electronic devices of Figures 7a, 7b, 7c, and 7d by frequency band.

[0024] FIG. 9a is a diagram showing the current distribution of an electronic device in a specific frequency band when the length of the portion parallel to the x-axis of the fifth radiator is greater than the length of the portion parallel to the x-axis of the sixth radiator.

[0025] FIG. 9b is a diagram showing the current distribution of an electronic device in a specific frequency band when the length of the 6th radiator is extended in the y-axis direction without changing the length of the 5th radiator.

[0026] FIG. 9c is a diagram showing the current distribution of an electronic device in a specific frequency band when the length of the fifth radiator is not changed, the length of the sixth radiator is extended in the x-axis direction, and the fifth radiator and the sixth radiator intersect.

[0027] Figure 10 is a graph showing the modal significance of the electronic devices of Figures 9a, 9b, and 9c by frequency band.

[0028] FIG. 11 is a graph comparing the modal significans by frequency band of an electronic device according to one embodiment and the modal significans by frequency band of an electronic device according to the prior art.

[0029] FIG. 12 is a drawing showing a printed circuit board (310) and an antenna of an electronic device according to one embodiment.

[0030] FIG. 13 is a graph comparing the total radiation efficiency by frequency band of an electronic device according to one embodiment with the total radiation efficiency by frequency band of an electronic device according to the prior art.

[0031] FIG. 14 is a graph comparing the total radiation efficiency by frequency band of an electronic device according to one embodiment with the total radiation efficiency by frequency band of an electronic device according to the prior art.

[0032] FIG. 15 is a diagram visually showing the electric field strength of an electronic device according to one embodiment and the electric field strength of an electronic device according to the prior art at a specific frequency.

[0033] FIG. 16 is a graph comparing the radiation performance of an electronic device according to one embodiment with the radiation performance of an electronic device according to the prior art.

[0034] FIG. 17 is a drawing showing a printed circuit board of an electronic device according to one embodiment.

[0035] FIG. 18 is a drawing showing a printed circuit board of an electronic device according to one embodiment.

[0036] FIG. 19 is a graph comparing the radiation performance of an antenna radiator combined with the printed circuit board of FIG. 17 according to one embodiment with the radiation performance of an electronic device according to the prior art.

[0037] FIG. 20 is a graph comparing the radiation performance of an antenna radiator combined with the printed circuit board of FIG. 18 or FIG. 4 according to one embodiment with the radiation performance of an electronic device according to the prior art.

[0038] FIG. 21 is a diagram showing a switching control operation in an equivalent circuit of the printed circuit board and antenna radiator of FIG. 5 according to one embodiment.

[0039] FIG. 22 is a graph comparing the total radiation efficiency by frequency band of an electronic device according to one embodiment with the total radiation efficiency by frequency band of an electronic device according to the prior art.

[0040] FIG. 23a is a circuit diagram including all layers of a printed circuit board according to one embodiment.

[0041] FIG. 23b is a circuit diagram of a printed circuit board according to one embodiment, viewed from the first layer.

[0042] FIG. 23c is a circuit diagram including a printed circuit board according to one embodiment as viewed from the second layer.

[0043] FIG. 24a is a diagram showing the connection relationship between a first switch and elements included in a printed circuit board according to one embodiment.

[0044] FIG. 24b is a diagram showing the connection relationship between the second switch and the elements included in the printed circuit board (310) according to one embodiment.

[0045] FIG. 25 is a graph showing the total radiation efficiency for the resonance formed in the antenna radiator based on the switching control operation according to one embodiment.

[0046] FIG. 26 is a circuit diagram showing a printed circuit board according to one embodiment.

[0047] FIG. 27 is a drawing showing an electronic device having a multi-foldable form factor according to one embodiment.

[0048] FIG. 28 is a drawing showing an electronic device having a foldable form factor according to one embodiment.

[0049] Due to the recent miniaturization of electronic devices, difficulties arise as the distance between the display and the antenna decreases or space for antenna placement becomes insufficient. Consequently, it may be difficult to secure performance in specific antenna bands (e.g., low bands).

[0050] According to one embodiment, an electronic device including an antenna may include an extended ground connection wiring.

[0051] According to one embodiment, an electronic device including an antenna can add a ground pattern using a slit area included in a printed circuit board.

[0052] According to one embodiment, an electronic device including an antenna may add a ground pattern to at least a part of the antenna.

[0053] According to one embodiment, an electronic device including an antenna can improve the performance of a second radiator that performs coupling feeding through an extended ground connection wiring.

[0054] According to one embodiment, an electronic device including an antenna can improve the overall performance of the antenna by improving the performance of the second radiator.

[0055] FIG. 1 is a block diagram of an exemplary electronic device (100) capable of performing the operations described in the present disclosure.

[0056] Referring to FIG. 1, the electronic device (100) may be one of various forms of electronic devices, such as a notebook (190), smartphones (191) having various form factors (e.g., a bar-type smartphone (191-1), a foldable-type smartphone (191-2), or a sliderable (or rollable)-type smartphone (191-3)), a tablet (192), a cellular phone (not shown), and other similar computing devices (not shown). The components, their relationships, and their functions illustrated in FIG. 1 are illustrative only and are not intended to limit the implementations described or claimed in this disclosure. The electronic device (100) may be referred to as a mobile device, a user device, a multifunction device, a portable device, or a server.

[0057] The electronic device (100) may include components comprising at least one processor (110) (hereinafter referred to as processor (110)), at least one memory (120) (hereinafter referred to as memory (120)), at least one display (140) (hereinafter referred to as display (140)), at least one image sensor (150) (hereinafter referred to as image sensor (150)), at least one communication circuit (160) (hereinafter referred to as communication circuit (160)), and / or at least one sensor (170) (hereinafter referred to as sensor (170)). The components are merely exemplary. For example, the electronic device (100) may include other components (e.g., power management integrated circuitry (PMIC), audio processing circuit, antenna, rechargeable battery, or input / output interface). For example, some components may be omitted from the electronic device (100). For example, some components may be integrated into a single component.

[0058] The processor (110) may be implemented as one or more IC (integrated circuit (or circuitry)) chips and may perform various data processing operations. The processor (110) may include at least one electrical circuit and may process instructions (or programs, data, etc.) stored in memory (120) individually or collectively in a distributed manner. The processor (110) may include a processor assembly comprising one or more processing circuits. The processor (110) may include any processing circuit that is operative to control the performance and operations of one or more components of the electronic device (100) (e.g., memory (120), display (140), image sensor (150), communication circuit (160), and / or sensor (170)). For example, the processor (110) (e.g., application processor (AP)) may be implemented as a system on chip (SoC) (e.g., a single chip or chipset). For example, the processor (110) may be implemented with a plurality of cores (or at least one core circuit), a plurality of chips, or a plurality of chipsets. For example, the processor (110) may include one or more processing circuits. For example, the processor (110) may include one or more processing circuits configured to perform the various functions of the present disclosure individually and / or collectively. As an example without limitation, at least a portion of the processor (110) may be included in a first chip of the electronic device (100), and at least another portion of the processor (110) may be included in a second chip of the electronic device (100) different from the first chip of the electronic device (100).

[0059] For example, the processor (110) may include a central processing unit (111), a graphics processing unit (112), a neural processing unit (113), an image signal processor (114), a display controller (115), a memory controller (116), a storage controller (117), a communication processor (118), and / or a sensor interface (119). These components of the processor (110) are merely exemplary. For example, the processor (110) may include other components. For example, some components of the processor (110) may be omitted from the processor (110). For example, some components of the processor (110) may be included as separate components of the electronic device (100) outside of the processor (110). For example, some components of the processor (110) (e.g., memory controller (116)) may be included in other components (e.g., at least part of memory (120), an interface (e.g. available for connection to at least one component of the electronic device (100)), a display (140) and / or an image sensor (150)).

[0060] The processor (110) may cause other components of the electronic device (100) to perform various operations by executing instructions stored in memory (120). The CPU (111) (or central processing circuit) may be configured to control the components of the processor (110) based on the execution of instructions stored in memory (120) (e.g., volatile memory (121) and / or non-volatile memory (122)). The GPU (112) (or graphics processing circuit) may be configured to execute parallel operations (e.g., rendering). The NPU (113) (or neural processing circuit, or AI (artificial intelligence) chip) may be configured to execute operations for an artificial intelligence model (e.g., convolution computation). An ISP (114) (or image signal processing circuit) may be configured to process a raw image acquired through an image sensor (150) into a format suitable for a component within the electronic device (100) or a component of the processor (110). A display controller (115) (or display control circuit, or DPU (display processing unit)) may be configured to process an image acquired from a CPU (111), GPU (112), ISP (114), or memory (120) (e.g., volatile memory (121)) into a format suitable for a display (140). A memory controller (116) (or memory control circuit) may be configured to control reading data from the volatile memory (121) and writing data to the volatile memory (121). A storage controller (117) (or storage control circuit) may be configured to control reading data from the non-volatile memory (122) and writing data to the non-volatile memory (122).The CP (118) (communication processing circuit) may be configured to process data obtained from a component of the processor (110) into a format suitable for transmitting to another electronic device via the communication circuit (160), or to process data obtained from another electronic device via the communication circuit (160) into a format suitable for processing by the component of the processor (110). For example, the communication circuit (160) may include one or more communication circuits. The sensor interface (119) (or sensing data processing circuit, sensor hub) may be configured to process data regarding the state of the electronic device (100) and / or the state around the electronic device (100), obtained through the sensor (170), into a format suitable for the component of the processor (110).

[0061] Memory (120) may include one or more storage media (or one or more storage devices). For example, memory (120) may include a memory assembly comprising one or more storage media. For example, the one or more storage media may include a hard drive, a permanent memory such as flash memory, read-only memory (ROM) (e.g., non-volatile memory (122)), a semi-permanent memory such as random access memory (RAM) (e.g., volatile memory (121)), any other suitable type of storage (or storage assembly), or any combination thereof. Memory (120) may include a cache memory, which is one or more different types of memory used to temporarily store data for a function or feature of the electronic device (100). As an example not limited to, the cache memory may be included within the processor (110). The memory (120) may be fixedly embedded within the electronic device (100) or incorporated into one or more suitable types of components (e.g., a SIM (subscriber identity module) card and / or an SD (secure digital) card) that can be repeatedly inserted into and removed from the electronic device (100).

[0062] For example, memory (120) may store one or more software applications, such as operating system (or system) software applications, firmware software applications, driver software applications, plugin (e.g., add-in, add-on, and / or applet) software applications, and / or any other suitable software applications. For example, the one or more software applications may include instructions executable by the processor (110). For example, memory (120) may store instructions that can be called by an application programming interface (API). For example, memory (120) may store instructions within a library.

[0063] FIG. 2 is a drawing showing a front view of an electronic device (100) according to one embodiment of the present disclosure.

[0064] FIG. 3 is a drawing showing a cross-sectional view of the electronic device (100) of FIG. 2 according to one embodiment of the present disclosure, cut in the AB direction.

[0065] Referring to FIGS. 2 and 3, the electronic device (100) may include a third surface (203) that surrounds the space of the first surface (201) and the second surface (202).

[0066] Referring to FIG. 3, in one embodiment, the electronic device (100) may include a display (140), a printed circuit board (310), an antenna radiator (320), a support member (330), a rear cover (340), and / or a frame (350). For example, the support member (330) may be positioned between the display (140) and the printed circuit board (310). The support member (330) may support the display (140) and the printed circuit board (310). The frame (350) may form a third side (203) and an internal space of the electronic device (100). The frame (350) may support the rear cover (340) positioned on the second side (202) or the display (140) positioned on the first side (201). For example, the antenna radiator (320) may be positioned between the frame (350) and the printed circuit board (310). An antenna radiator (320) may be placed between the rear cover (340) and the printed circuit board (310). The printed circuit board (310) may be placed between the support member (330) and the antenna radiator (320). The printed circuit board (310) may be placed between the display (140) and the antenna radiator (320).

[0067] In one embodiment, the electronic device (100) may place a display (140) on a first surface (201). The electronic device (100) may place a rear cover (340) on a second surface (202).

[0068] In one embodiment, the third surface (203) of the electronic device (100) may include a plurality of sides (231, 232, 233, 234). The first side (231) and the third side (233) may be parallel to each other. The second side (232) and the fourth side (234) may be parallel to each other. The first side (231) and the second side (232) may be substantially perpendicular to each other.

[0069] For example, a first side (231) and a third side (233) may be positioned in the long axis direction (e.g., y-axis direction) of the electronic device (100), and a second side (232) and a fourth side (234) may be positioned in the short axis direction (e.g., x-axis direction) of the electronic device (100).

[0070] In one embodiment, the bottom of the electronic device (100) may include a second side (232) and a specific distance adjacent in the y-axis direction from the second side (232). For example, the bottom of the electronic device (100) may include a second side (232) and a specific distance adjacent in the direction of the fourth side (234) from the second side (232).

[0071] In one embodiment, the printed circuit board (310) and the antenna radiator (320) may be placed at the bottom of the electronic device (100). The printed circuit board (310) and the antenna radiator (320) may be placed adjacent to the second side (232).

[0072] FIG. 4 is a diagram showing the electrical connection relationship between a printed circuit board (310) and an antenna radiator (320) included in an electronic device (100) according to one embodiment.

[0073] FIG. 5 is a diagram showing the electrical connection relationship between the printed circuit board (310) of FIG. 4 and the antenna radiator (320) according to one embodiment as an equivalent circuit.

[0074] Referring to FIGS. 4 and 5, in one embodiment, the printed circuit board (310) may include a first ground terminal (311), a second ground terminal (312), a feeding terminal (313), and a third ground terminal (314).

[0075] In one embodiment, the first ground terminal (311) may be electrically connected to the first switch (521), the first wiring (341), and the first contact area (351).

[0076] In one embodiment, the second ground terminal (312) may be electrically connected to the ground pattern (330) and the second switch (522).

[0077] In one embodiment, the feeding terminal (313) may be electrically connected to the second wiring (342) and the second contact area (352).

[0078] In one embodiment, the third ground terminal (314) can be optionally electrically connected to the ground pattern (330), the second ground terminal (312), the third contact area (353), and the third wiring (343) through the second switch (522).

[0079] In one embodiment, the antenna radiator (320) may be formed from a flexible printed circuit board (FPCB). The antenna radiator (320) may include an FPCB. The antenna radiator (320) may include a thin-film antenna radiator. For example, the antenna radiator (320) may include a metal foil antenna (MFA) radiator.

[0080] In one embodiment, the antenna radiator (320) may include an FPCB to which a metal foil processed into an antenna pattern is adhered.

[0081] In one embodiment, the antenna radiator (320) may include a first radiator (321) and a second radiator (322).

[0082] In one embodiment, the first radiator (321) may include a fourth contact area (361) and a fifth contact area (362). The second radiator (322) may include a sixth contact area (363).

[0083] In one embodiment, the printed circuit board (310) may be electrically or physically connected to the antenna radiator (320). For example, the antenna radiator (320) may be placed in the electronic device (100) in a manner that covers at least a portion of the printed circuit board (310). At least a portion of the antenna radiator (320) and at least a portion of the printed circuit board (310) may be electrically connected.

[0084] In one embodiment, the first contact area (351) of the printed circuit board (310) and the fourth contact area (361) of the antenna radiator (320) can be electrically connected to each other.

[0085] In one embodiment, the first ground terminal (311) may be electrically connected to the first radiator (321) through the first contact area (351) and the fourth contact area (361) that are connected to each other.

[0086] In one embodiment, the second contact area (352) of the printed circuit board (310) and the fifth contact area (362) of the antenna radiator (320) can be electrically connected to each other.

[0087] In one embodiment, the feeding terminal (313) may be electrically connected to the first radiator (321) through a second contact area (352) and a fifth contact area (362) that are connected to each other.

[0088] In one embodiment, the third contact area (353) of the printed circuit board (310) and the sixth contact area (363) of the antenna radiator (320) can be electrically connected to each other.

[0089] In one embodiment, the third ground terminal (314) can be electrically connected to the second radiator (322) through the third contact area (353) and the sixth contact area (363) that are connected to each other.

[0090] In one embodiment, the first contact area (351), the second contact area (352), the third contact area (353), the fourth contact area (361), the fifth contact area (362), and the sixth contact area (363) may be electrically connected through a wire or a connector such as a via, surface mounted technology (SMT), or a clip.

[0091] In one embodiment, the second wiring (342) and the third wiring (343) may be electrically connected to the first coupling capacitor (371).

[0092] In one embodiment, the first radiator (321) and the second radiator (322) may be electrically connected to the second coupling capacitor (372).

[0093] In one embodiment, when the first radiator (321) receives power through the feeding terminal (313), the second radiator (322) can be fed through the first coupling capacitor (371) and the second coupling capacitor (372). The second radiator (322) can be coupled fed using the first coupling capacitor (371) and the second coupling capacitor (372).

[0094] In one embodiment, the first coupling capacitor (371) can be implemented through the capacitance resulting from the gap between the second wiring (342) and the third wiring (343) without separate components.

[0095] In one embodiment, the second coupling capacitor (372) can be implemented through the capacitance resulting from the gap between the first radiator (321) and the second radiator (322) without separate parts.

[0096] In one embodiment, the first switch (521) may be electrically connected to the elements included in the printed circuit board (310).

[0097] In one embodiment, the second switch (522) may be electrically connected to the elements included in the printed circuit board (310).

[0098] In one embodiment, the electronic device (100) may store instructions in a memory (120) comprising one or more storage media. The electronic device (100) may include a processor (110) comprising processing circuitry and a communication circuit (160). The communication circuit (160) may process signals transmitted and received through an antenna radiator (320) and a printed circuit board (310).

[0099] In one embodiment, the instructions can control the switching operation of the first switch (521) by resonant frequency band when executed individually or collectively by the processor (110).

[0100] In one embodiment, the instructions can control the switching operation of the second switch (522) by resonant frequency band when executed individually or collectively by the processor (110).

[0101] In one embodiment, according to the switching control operation of the electronic device (100), the first switch (521) can control the electrical connection between the elements included in the printed circuit board (310) and the first radiator (321). The electronic device (100) can control the resonant frequency band formed in the first radiator (321) based on the electrical connection state between the elements and the first radiator (321).

[0102] In one embodiment, depending on the switching control operation of the electronic device (100), the second switch (522) can control the electrical connection between the elements included in the printed circuit board (310) and the second radiator (322). The electronic device (100) can control the resonant frequency band formed in the second radiator (322) based on the electrical connection state between the elements and the second radiator (322).

[0103] In one embodiment, the electronic device (100) can supply power to the first radiator (321) through the feeding terminal (313). The electronic device (100) can power the first radiator (321) through the feeding terminal (313) and electrically connect the first ground terminal (311) and the first radiator (321) through the first switch (521). When the first radiator (321) is powered and connected to the first ground terminal (311), the first radiator (321) may form resonance in a first frequency band (e.g., a low band). For example, the first frequency band may include a band of about 1 GHz or less.

[0104] In one embodiment, when the first radiator (321) is powered, the second radiator (322) may also be powered through coupling power. The electronic device (100) may allow the second radiator (322) to be electrically connected to the second ground terminal (312) and / or the third ground terminal (314) through the second switch (522).

[0105] In one embodiment, when the second radiator (322) is fed and the second radiator (322) is electrically connected to the third ground terminal (314), the second radiator (322) may form resonance in a second frequency band (e.g., middle band) and a third frequency band (e.g., high band).

[0106] In one embodiment, the electronic device (100) can determine whether it is necessary to communicate in a first frequency band or to improve the performance of the first frequency band of the antenna radiator (320).

[0107] In one embodiment, if it is determined that there is a need to communicate in a first frequency band or to improve the performance of the first frequency band of the antenna radiator (320), the electronic device (100) may electrically connect the second radiator (322) to the second ground terminal (312) through the second switch (522) and block the connection between the second radiator (322) and the third ground terminal (314).

[0108] In one embodiment, if it is determined that there is a need to communicate in a first frequency band or to improve the performance of the first frequency band of the antenna radiator (320), the electronic device (100) controls the second switch (522) to electrically connect the second radiator (322) to the second ground terminal (312) through the ground pattern (330), and can block the connection between the second radiator (322) and the third ground terminal (314).

[0109] In one embodiment, the second radiator (322) can be operated as a coupling radiator electrically connected to the second ground terminal (312).

[0110] In one embodiment, the ground pattern (330) may intersect the feeding line (412) or radiation pattern that electrically connects the feeding terminal (313) and the first radiator (321).

[0111] In one embodiment, the ground pattern (330) may be placed on a printed circuit board (310), but is not limited thereto, and may be placed on a printed circuit board or carrier containing a radiator of an antenna radiator (320). For example, the ground pattern (330) placed on a printed circuit board or carrier containing a radiator of an antenna radiator (320) may be electrically connected to a second ground terminal (312) and may cross a feeding line (412) or a radiation pattern.

[0112] Referring to FIGS. 4 and 5, the antenna radiator (320) may be connected in a manner that overlaps at least a portion of the printed circuit board (310). The second wiring (342), the second contact area (352), and the fifth contact area (362) may be electrically connected to form a feeding line. An equivalent replacement of the feeding line between the second wiring (342), the second contact area (352), and the fifth contact area (362) of FIG. 4 may correspond to the feeding line (412) (or feeding wiring) (412) of FIG. 5.

[0113] Referring to FIGS. 4 and 5, the first wiring (341), the first contact area (351), and the fourth contact area (361) can be electrically connected to form the seventh wiring (411). The connection path between the first wiring (341), the first contact area (351), and the fourth contact area (361) of FIG. 4 can be equivalently substituted to correspond to the seventh wiring (411) of FIG. 5.

[0114] Referring to FIGS. 4 and 5, the third wiring (343), the third contact area (353), and the sixth contact area (363) can be electrically connected to form the eighth wiring (413). The connection path between the third wiring (343), the third contact area (353), and the sixth contact area (363) of FIG. 4 can be equivalently substituted to correspond to the eighth wiring (413) of FIG. 5.

[0115] Referring to FIG. 5, in one embodiment, the printed circuit board (310) may include a plurality of regions. The first region (501) may include a first ground terminal (311), a second ground terminal (312), a feeding terminal (313), and a third ground terminal (314). The second region (502) may include a first switch (521) and a second switch (522). For example, the second region (502) may include a peel-cut region from which the ground layer has been removed.

[0116] Referring to FIG. 5, the first ground terminal (311) can be electrically connected to the first radiator (321) through the seventh wiring (411) and the first switch (521). The feeding terminal (313) can be connected to the first radiator (321) through the feeding line (or, feeding wiring) (412). For example, the second ground terminal (312) can be electrically connected to the second radiator (322) through the ground pattern (330), the eighth wiring (413), and the second switch (522). For example, the second ground terminal (312) can be electrically connected to the second radiator (322) through the ground pattern (330) and the eighth wiring (413). The third ground terminal (314) can be electrically connected to the second radiator (322) through the eighth wiring (413) and the second switch (522).

[0117] Throughout this specification, the terms ‘first wiring (341)’ and ‘first ground pattern (341)’ may be used interchangeably. Unless otherwise noted, ‘first wiring (341)’ and ‘first ground pattern (341)’ may represent the same component.

[0118] Throughout this specification, the terms ‘second wiring (342)’ and ‘radiation pattern (342)’ may be used interchangeably. Unless otherwise noted, ‘second wiring (342)’ and ‘radiation pattern (342)’ may represent the same component.

[0119] Throughout this specification, the terms ‘third wiring (343)’ and ‘third ground pattern (343)’ may be used interchangeably. Unless otherwise noted, ‘third wiring (343)’ and ‘third ground pattern (343)’ may represent the same component.

[0120] Throughout this specification, the terms ‘first radiator (321)’ and ‘first antenna radiator (321)’ may be used interchangeably. Unless otherwise noted, ‘first radiator (321)’ and ‘first antenna radiator (321)’ may represent the same component.

[0121] Throughout this specification, the terms ‘second radiator (322)’ and ‘second antenna radiator (322)’ may be used interchangeably. Unless otherwise noted, ‘second radiator (322)’ and ‘second antenna radiator (322)’ may represent the same component.

[0122] FIG. 6a is a graph showing the total radiation efficiency by frequency band radiated from an antenna of an electronic device (100) according to one embodiment.

[0123] FIG. 6b is a graph showing the total radiation efficiency by frequency band radiated from the antenna of an electronic device (100) according to one embodiment.

[0124] FIG. 6c is a graph showing the total radiation efficiency by frequency band radiated from the antenna of an electronic device (100) according to one embodiment.

[0125] Referring to FIGS. 5 and 6a, the electronic device (100) can power a first radiator (321) through a feeding terminal (313) and electrically connect the first ground terminal (311) and the first radiator (321) through a first switch (521). The first radiator (321) can form resonance in a first frequency band (601).

[0126] Referring to FIG. 6a, in the first frequency band (601), the antenna radiator (320) may have a total radiation efficiency corresponding to a reference value (603).

[0127] Referring to FIGS. 5 and 6b, when the first radiator (321) is powered, the second radiator (322) can also be powered through coupling power. The electronic device (100) can allow the second radiator (322) to be electrically connected to the third ground terminal (314).

[0128] In one embodiment, when the second radiator (322) is coupled and the second radiator (322) is electrically connected to the third ground terminal (314), the second radiator (322) can form resonance in the second frequency band (602).

[0129] Referring to the graphs (621, 622, 623) for total radiation efficiency in FIG. 6b, when the second radiator (322) is electrically connected to the third ground terminal (314), the antenna radiator (320) can have a total radiation efficiency greater than the reference value (603) in the second frequency band (602).

[0130] Referring to FIG. 5 and FIG. 6c, in one embodiment, the electronic device (100) can determine whether it is necessary to communicate in a first frequency band or to improve the performance of the first frequency band of the antenna radiator (320).

[0131] In one embodiment, if it is determined that there is a need to communicate in a first frequency band or to improve the performance of the first frequency band of the antenna radiator (320), the electronic device (100) may electrically connect the second radiator (322) to the second ground terminal (312) and block the connection between the second radiator (322) and the third ground terminal (314).

[0132] In one embodiment, if it is determined that there is a need to communicate in a first frequency band or to improve the performance of the first frequency band of the antenna radiator (320), the electronic device (100) may electrically connect the second radiator (322) to the second ground terminal (312) through the ground pattern (330) and block the connection between the second radiator (322) and the third ground terminal (314).

[0133] Referring to the graphs (611, 612, 613) for total radiation efficiency in FIG. 6c, in the first frequency band (601), the antenna radiator (320) can have a total radiation efficiency greater than the reference value (603).

[0134] Comparing FIG. 6a and FIG. 6c, the ground pattern (330) can be intersected with the feeding line (412) by changing the second radiator (322) to be electrically connected to the second ground terminal (312) between the first ground terminal (311) and the feeding terminal (313) through the ground pattern (330). When the ground pattern (330) and the feeding line (412) intersect, the radiation performance of the first frequency band (e.g., low frequency band) of the antenna radiator (320) can be improved.

[0135] FIG. 7a is a diagram showing the current distribution of an electronic device (100) in a specific frequency band when the third radiator (711) and the fourth radiator (712) are spaced apart and there is no overlapping portion.

[0136] FIG. 7b is a diagram showing the current distribution of an electronic device (100) in a specific frequency band when the length of the fourth radiator (712) is extended in the y-axis direction without changing the length of the third radiator (711) in FIG. 7a.

[0137] FIG. 7c is a diagram showing the current distribution of an electronic device (100) in a specific frequency band when the length of the fourth radiator (712) is extended in the x-axis direction without changing the length of the third radiator (711) in FIG. 7a.

[0138] FIG. 7d is a diagram showing the current distribution of an electronic device (100) in a specific frequency band when the length of the third radiator (711) in FIG. 7a is extended in the x-axis direction and the length of the fourth radiator (712) is extended in the x-axis direction and the third radiator (711) and the fourth radiator (712) intersect.

[0139] FIG. 8 is a graph showing the modal significance of the electronic devices (100) of FIG. 7a, FIG. 7b, FIG. 7c and FIG. 7d by frequency band.

[0140] FIGS. 7a, FIGS. 7b, FIGS. 7c, FIGS. 7d, and FIGS. 8 are test results for explaining the operating principle of the electronic device (100) of the present invention, wherein the third radiator (711) and the fourth radiator (712) included in FIG. 7d may be identical or similar to the operating principle according to one embodiment. The third radiator (711) included in FIG. 7d may correspond to the first radiator (321) according to one embodiment. The fourth radiator (712) included in FIG. 7d may correspond to the second radiator (322) according to one embodiment.

[0141] FIGS. 7a, FIGS. 7b, FIGS. 7c, FIGS. 7d, and FIGS. 8 may show the results of testing with the respective lengths of the third radiator (711) and the fourth radiator (712) of FIGS. 7a set to default, and the lengths of the third radiator (711) or the fourth radiator (712) of FIGS. 7b, FIGS. 7c, and FIGS. 7d ​​changed.

[0142] Referring to 701 in FIG. 7a, the electronic device (100) may include a first side (231) and a third side (233) in the y-axis direction, and a second side (232) and a fourth side (234) in the x-axis direction.

[0143] In one embodiment, the third radiator (711) may be placed on at least a portion of the second side (232) and at least a portion of the third side (233). The fourth radiator (712) may be placed on at least a portion of the second side (232) and at least a portion of the first side (231).

[0144] In 702 of FIG. 7a, when the lengths of the third radiator (711) and the fourth radiator (712) are not changed, the current distribution of the electronic device (100) in a specific frequency band can be seen to show that the current density in a part of the third side (233) (720) is higher than in other areas.

[0145] In 702 of FIG. 7a, when the lengths of the third radiator (711) and the fourth radiator (712) are not changed, the current distribution of the electronic device (100) in a specific frequency band can be seen to show that the current density in some region (720) in the y-axis direction of the electronic device (100) is higher than in other regions.

[0146] Referring to 703 in FIG. 7b, the electronic device (100) may include a first side (231) and a third side (233) in the y-axis direction, and a second side (232) and a fourth side (234) in the x-axis direction.

[0147] In one embodiment, the third radiator (711) may be placed on at least a portion of the second side (232) and at least a portion of the third side (233). The fourth radiator (712) may be placed on at least a portion of the second side (232) and at least a portion of the first side (231).

[0148] In one embodiment, the fourth radiator (712) of FIG. 7b may include a length (7122) that extends in the direction of the first side (231) more than the fourth radiator (712) of FIG. 7a.

[0149] In 704 of FIG. 7b, when the length of the fourth radiator (712) is extended in the y-axis direction without changing the length of the third radiator (711), it can be seen that in a specific frequency band, the current distribution of the electronic device (100) shows that the current density in a part area (721) of the third side (233) and a part area (722) of the fourth side (233) is higher than in other areas. For example, the part area (721) of the third side (233) and the part area (722) of the fourth side (233) may correspond to the area where the third radiator (711) and the fourth radiator (712) are located.

[0150] Referring to 705 in FIG. 7c, the electronic device (100) may include a first side (231) and a third side (233) in the y-axis direction, and a second side (232) and a fourth side (234) in the x-axis direction.

[0151] In one embodiment, the third radiator (711) may be placed on at least a portion of the second side (232) and at least a portion of the third side (233). The fourth radiator (712) may be placed on at least a portion of the second side (232) and at least a portion of the first side (231).

[0152] In one embodiment, the fourth radiator (712) of FIG. 7c may include a length (7123) that extends in the direction of the second side (232) more than the fourth radiator (712) of FIG. 7a.

[0153] In 706 of FIG. 7c, when the length of the fourth radiator (712) is extended in the x-axis direction without changing the length of the third radiator (711), it can be seen that in a specific frequency band, the current distribution of the electronic device (100) shows that the current density in a part of the third side (233) (723) and a part of the fourth side (233) (724) is higher than in other areas.

[0154] In 706 of FIG. 7c, when the length of the fourth radiator (712) is extended in the x-axis direction without changing the length of the third radiator (711), the current distribution of the electronic device (100) in a specific frequency band can be seen to show that the current density in some regions (723, 724) in the y-axis direction of the electronic device (100) is higher than in other regions.

[0155] Referring to 707 in FIG. 7d, the electronic device (100) may include a first side (231) and a third side (233) in the y-axis direction, and a second side (232) and a fourth side (234) in the x-axis direction.

[0156] In one embodiment, the third radiator (711) may be placed on at least a portion of the second side (232) and at least a portion of the third side (233). The fourth radiator (712) may be placed on at least a portion of the second side (232) and at least a portion of the first side (231).

[0157] In one embodiment, the third radiator (711) of FIG. 7d may include a length (7124) extended in the direction of the second side (232) more than the third radiator (711) of FIG. 7a. The fourth radiator (712) of FIG. 7d may include a length (7123) extended in the direction of the second side (232) more than the fourth radiator (712) of FIG. 7a. The third radiator (711) of FIG. 7d and the fourth radiator (712) of FIG. 7d may intersect each other.

[0158] In 708 of FIG. 7d, when the length of the third radiator (711) is extended in the x-axis direction and the length of the fourth radiator (712) is extended in the x-axis direction and the third radiator (711) and the fourth radiator (712) intersect, it can be seen that in a specific frequency band, the current distribution of the electronic device (100) shows that the current density in a specific region (725) of the second side (231), the third side (233), and the fourth side (233) is higher than in other regions.

[0159] In 708 of FIG. 7d, when the length of the third radiator (711) is extended in the x-axis direction and the length of the fourth radiator (712) is extended in the x-axis direction and the third radiator (711) and the fourth radiator (712) intersect, it can be seen that in a specific frequency band, the current distribution of the electronic device (100) has a higher current density in a specific region (725) of the second side (231), the third side (233), and the fourth side (233) than in other regions.

[0160] Referring to FIG. 8, graphs 801 and 802 represent modal significance (MS) values ​​measured in a first frequency band (e.g., approximately 0.6–1 GHz band) when radio waves are radiated using the radiators of FIG. 7a. Graphs 803 and 804 represent modal significance values ​​measured in a first frequency band (e.g., approximately 0.6–1 GHz band) when radio waves are radiated using the radiators of FIG. 7b. Graphs 805 and 806 represent modal significance values ​​measured in a first frequency band (e.g., approximately 0.6–1 GHz band) when radio waves are radiated using the radiators of FIG. 7c. Graphs 807 and 808 show the modal significance values ​​measured in the first frequency band (e.g., about 0.6 to 1 GHz band) when radiating radio waves using the radiators of Fig. 7d.

[0161] For example, the closer the modal significance is to 1, the better the resonance formation; the closer it is to 0, the worse the resonance formation.

[0162] Referring to graphs 807 and 808, it can be seen that when radio waves are radiated using the radiators of FIG. 7d, the modal significance value measured in the first frequency band (e.g., about 0.6 to 1 GHz band) is improved compared to when radio waves are radiated through other radiators. For example, when radio waves are radiated using the radiators of FIG. 7d in the frequency band (810) around 0.95 GHz and the frequency band (820) around 0.65 GHz, it can be seen that the modal significance value is improved compared to when radio waves are radiated through other radiators.

[0163] FIG. 9a is a diagram showing the current distribution of an electronic device (100) in a specific frequency band when the length of the portion parallel to the x-axis of the fifth radiator (911) is greater than the length of the portion parallel to the x-axis of the sixth radiator (912).

[0164] The fifth radiator (911) of FIG. 9a, FIG. 9b and FIG. 9c may further include a radiator (9111) with a length extended in the x-axis direction compared to the third radiator (711) of FIG. 7a.

[0165] FIG. 9b is a diagram showing the current distribution of an electronic device (100) in a specific frequency band when the length of the sixth radiator (912) is extended in the y-axis direction without changing the length of the fifth radiator (911).

[0166] FIG. 9c is a diagram showing the current distribution of an electronic device (100) in a specific frequency band when the length of the fifth radiator (911) is not changed, and the length (9123) of the sixth radiator (912) is extended in the x-axis direction, and the fifth radiator (911) and the sixth radiator (912) intersect.

[0167] FIG. 10 is a graph showing the modal significance of the electronic devices (100) of FIG. 9a, FIG. 9b and FIG. 9c by frequency band.

[0168] FIGS. 9a, FIGS. 9b, FIGS. 9c and FIGS. 10 are test results for explaining the operating principle of the electronic device (100) of the present invention, wherein the fifth radiator (911) and the sixth radiator (912) included in FIG. 9c may be identical or similar to the operating principle according to one embodiment. The fifth radiator (911) included in FIG. 9c may correspond to the first radiator (321) according to one embodiment. The sixth radiator (912) included in FIG. 9c may correspond to the second radiator (322) according to one embodiment.

[0169] FIGS. 9a, FIGS. 9b, FIGS. 9c and FIGS. 10 may show the results of testing by setting the respective lengths of the fifth radiator (911) and the sixth radiator (912) of FIGS. 9a to default and changing the length of the fourth radiator (712) of FIGS. 9b and FIGS. 9c to the y-axis or x-axis.

[0170] Referring to 901 in FIG. 9a, the electronic device (100) may include a first side (231) and a third side (233) in the y-axis direction, and a second side (232) and a fourth side (234) in the x-axis direction.

[0171] In one embodiment, the fifth radiator (911) may be placed on at least a portion of the second side (232) and at least a portion of the third side (233). The sixth radiator (912) may be placed on at least a portion of the second side (232) and at least a portion of the first side (231).

[0172] In 902 of FIG. 9a, when the length of the portion parallel to the x-axis of the fifth radiator (911) and the length of the portion parallel to the x-axis of the sixth radiator (912) are greater, the current distribution of the electronic device (100) in a specific frequency band can be seen to have a higher current density in a portion of the second side (232) (920) than in other areas.

[0173] Referring to 903 in FIG. 9b, the electronic device (100) may include a first side (231) and a third side (233) in the y-axis direction, and a second side (232) and a fourth side (234) in the x-axis direction.

[0174] In one embodiment, the fifth radiator (911) may be placed on at least a portion of the second side (232) and at least a portion of the third side (233). The sixth radiator (912) may be placed on at least a portion of the second side (232) and at least a portion of the first side (231).

[0175] In one embodiment, the sixth radiator (912) of FIG. 9b may include a length (9121) extended in the direction of the first side (231) or the y-axis direction compared to the sixth radiator (912) of FIG. 9a.

[0176] In 904 of FIG. 9b, when the length of the 6th radiator (912) is extended in the y-axis direction without changing the length of the 5th radiator (911), it can be seen that in a specific frequency band, the current distribution of the electronic device (100) shows that the current density in a part of the 2nd side (232) (921) and a part of the 1st side (231) (922) is higher than in other areas.

[0177] Referring to 905 in FIG. 9c, the electronic device (100) may include a first side (231) and a third side (233) in the y-axis direction, and a second side (232) and a fourth side (234) in the x-axis direction.

[0178] In one embodiment, the fifth radiator (911) may be placed on at least a portion of the second side (232) and at least a portion of the third side (233). The sixth radiator (912) may be placed on at least a portion of the second side (232) and at least a portion of the first side (231).

[0179] In one embodiment, the sixth radiator (912) of FIG. 9c may include a length (9123) extended in the direction of the second side (232) compared to the sixth radiator (912) of FIG. 9a. The fifth radiator (911) of FIG. 9c and the sixth radiator (912) of FIG. 9c may intersect each other.

[0180] In 906 of FIG. 9c, when the fifth radiator (911) and the sixth radiator (912) intersect, the current distribution of the electronic device (100) in a specific frequency band can be seen to have a current density in a specific region (923) of the second side (231), the third side (233), and the fourth side (233) higher than in other regions.

[0181] Referring to FIG. 10, graphs 1001 and 1002 represent modal significance (MS) values ​​measured in a first frequency band (e.g., approximately 0.6–1 GHz band) when radio waves are radiated using the radiators of FIG. 9a. Graphs 1003 and 1004 represent modal significance values ​​measured in a first frequency band (e.g., approximately 0.6–1 GHz band) when radio waves are radiated using the radiators of FIG. 9b. Graphs 1005 and 1006 represent modal significance values ​​measured in a first frequency band (e.g., approximately 0.6–1 GHz band) when radio waves are radiated using the radiators of FIG. 9c.

[0182] For example, the closer the modal significance is to 1, the better the resonance formation; the closer it is to 0, the worse the resonance formation.

[0183] Referring to graphs 1005 and 1006, it can be seen that when radio waves are radiated using the radiators of FIG. 9c, the modal significance value measured in the first frequency band (e.g., about 0.6 to 1 GHz band) is improved compared to when radio waves are radiated through other radiators. For example, when radio waves are radiated using the radiators of FIG. 9c in the frequency band (1010) around 0.95 GHz and the frequency band (1020) around 0.65 GHz, it can be seen that the modal significance value is improved compared to when radio waves are radiated through other radiators.

[0184] FIG. 11 is a graph comparing the modal significans by frequency band of an electronic device (100) according to one embodiment and the modal significans by frequency band of an electronic device according to the prior art.

[0185] Referring to FIG. 11, graphs 1101 and 1102 show modal significance (MS) values ​​measured in a first frequency band (e.g., about 0.6 to 1 GHz band) when radiating radio waves using an electronic device according to the prior art. Graphs 1103 and 1104 show modal significance values ​​measured in a first frequency band (e.g., about 0.6 to 1 GHz band) when radiating radio waves using an antenna radiator (320) according to one embodiment.

[0186] For example, the closer the modal significance is to 1, the better the resonance formation; the closer it is to 0, the worse the resonance formation.

[0187] Referring to graphs 1103 and 1104, it can be seen that when radio waves are radiated using an antenna radiator (320) according to one embodiment, the modal significance value measured in a first frequency band (e.g., a band of about 0.6 to 1 GHz) is improved compared to when radio waves are radiated through a conventional electronic device. For example, when radio waves are radiated using an antenna radiator (320) according to one embodiment in a frequency band (1110) around 0.95 GHz and a frequency band (1120) around 0.65 GHz, it can be seen that the modal significance value is improved compared to when radio waves are radiated through a conventional electronic device.

[0188] FIG. 12 is a drawing showing a printed circuit board (310) and an antenna radiator (320) of an electronic device (100) according to one embodiment.

[0189] Reference number 1201 shows the state in which the antenna radiator (320) is combined with the printed circuit board (310), and reference number 1203 shows the printed circuit board (310) after removing the antenna radiator (320).

[0190] Referring to FIG. 12, the printed circuit board (310) may include a first ground terminal (311), a second ground terminal (312), a feeding terminal (313), and a third ground terminal (314).

[0191] In one embodiment, the first ground terminal (311) may be electrically connected to the first wiring (341) and the first contact area (351).

[0192] In one embodiment, the second ground terminal (312) can be electrically connected to the ground pattern (330).

[0193] In one embodiment, the feeding terminal (313) may be electrically connected to the second wiring (342) and the second contact area (352).

[0194] In one embodiment, the third ground terminal (314) may be electrically connected to the third contact area (353) and the third wiring (343).

[0195] In one embodiment, the antenna radiator (320) may include a first radiator (321) and a second radiator (322).

[0196] In one embodiment, the printed circuit board (310) may be electrically or physically connected to the antenna radiator (320). The antenna radiator (320) may be placed in the electronic device (100) in a manner that covers the printed circuit board (310). At least a portion of the antenna radiator (320) and at least a portion of the printed circuit board (310) may be electrically connected.

[0197] In one embodiment, the first ground terminal (311) can be electrically connected to the first radiator (321) through the first contact area (351).

[0198] In one embodiment, the feeding terminal (313) can be electrically connected to the first radiator (321) through the second contact area (352).

[0199] In one embodiment, the second ground terminal (312) may be electrically connected to the second radiator (322) through the third contact area (353) and the second switch (522).

[0200] In one embodiment, the third ground terminal (314) can be electrically connected to the second radiator (322) through the third contact area (353).

[0201] In one embodiment, the second wiring (342) and the third wiring (343) may be electrically connected to the first coupling capacitor (371).

[0202] In one embodiment, the first radiator (321) and the second radiator (322) may be electrically connected to the second coupling capacitor (372).

[0203] In one embodiment, when the first radiator (321) receives power through the feeding terminal (313), the second radiator (322) can be fed through the first coupling capacitor (371) and the second coupling capacitor (372). The second radiator (322) can be coupled fed using the first coupling capacitor (371) and the second coupling capacitor (372).

[0204] In one embodiment, the first coupling capacitor (371) can be implemented through the capacitance resulting from the gap between the second wiring (342) and the third wiring (343) without separate components.

[0205] In one embodiment, the second coupling capacitor (372) can be implemented through the capacitance resulting from the gap between the first radiator (321) and the second radiator (322) without separate parts.

[0206] FIG. 13 is a graph comparing the total radiation efficiency by frequency band of an electronic device (100) according to one embodiment with the total radiation efficiency by frequency band of an electronic device according to the prior art.

[0207] Referring to FIG. 13, graph 1301 shows the total radiation efficiency value (unit: dB) measured in a first frequency band (e.g., about 0.6 to 1.2 GHz band) when radiating radio waves using an electronic device according to the prior art. Graph 1303 shows the total radiation efficiency value measured in a first frequency band (e.g., about 0.6 to 1.2 GHz band) when radiating radio waves using an antenna radiator (320) according to one embodiment.

[0208] Referring to graphs 1301 and 1303, it can be seen that when radio waves are radiated using an antenna radiator (320) according to one embodiment, the total radiation efficiency value measured in a first frequency band (e.g., a band of about 0.6 to 1.2 GHz) is improved compared to when radio waves are radiated through a conventional electronic device. For example, when radio waves are radiated using an antenna radiator (320) according to one embodiment in a frequency band (1310) around 0.95 GHz, it can be seen that the total radiation efficiency value is improved compared to when radio waves are radiated through a conventional electronic device.

[0209] FIG. 14 is a graph comparing the total radiation efficiency by frequency band of an electronic device (100) according to one embodiment with the total radiation efficiency by frequency band of an electronic device according to the prior art.

[0210] Referring to FIG. 14, graph 1401 shows the total radiation efficiency values ​​(unit: dB) measured in the first frequency band (e.g., about 0.6 to 1.2 GHz band), the second and third frequency bands (e.g., about 1.2 to 5 GHz) when radiating radio waves using a first electronic device according to the prior art.

[0211] Graph 1403 shows the total radiation efficiency values ​​(unit: dB) measured in the first frequency band (e.g., approximately 0.6 to 1.2 GHz band) and the second and third frequency bands (e.g., approximately 1.2 to 5 GHz) when radiating radio waves using a second electronic device according to the prior art. By referring to Graph 1403, it can be confirmed that there is no change in the total radiation efficiency of the second electronic device according to the prior art.

[0212] 1405 The graph shows the total radiation efficiency values ​​measured in the first frequency band (e.g., about 0.6 to 1.2 GHz band), the second and third frequency bands (e.g., about 1.2 to 5 GHz) when radiating radio waves using an antenna radiator (320) according to one embodiment.

[0213] Referring to graphs 1401, 1403, and 1405, it can be seen that when radio waves are radiated using an antenna radiator (320) according to one embodiment, the total radiation efficiency value measured in the first frequency band (e.g., about 0.6 to 1.2 GHz band) is improved compared to when radio waves are radiated through a conventional electronic device.

[0214] FIG. 15 is a diagram visually showing the electric field strength of an electronic device (100) according to one embodiment and the electric field strength of an electronic device according to the prior art at a specific frequency.

[0215] The closer it is to the first color (1521), the higher the electric field strength, and the closer it is to the second color (1522), the lower the electric field strength.

[0216] The first column (1501) represents the electric field strength of an electronic device according to the prior art, and the second column may represent the electric field strength of an electronic device (100) according to one embodiment.

[0217] When comparing the drawing (1511) showing the electric field strength of an electronic device according to the prior art at a first frequency (e.g., about 0.7 GHz) with the drawing (1531) showing the electric field strength of an electronic device (100) according to one embodiment, it can be seen that the electric field strength of the electronic device (100) according to one embodiment is formed higher than that of the electronic device according to the prior art near the second radiator (322). At the first frequency (e.g., about 0.7 GHz), it can be seen that the radiation performance of the second radiator (322) of the electronic device (100) according to one embodiment is improved.

[0218] When comparing the drawing (1513) showing the electric field strength of an electronic device according to the prior art at a second frequency (e.g., about 0.95 GHz) with the drawing (1532) showing the electric field strength of an electronic device (100) according to one embodiment, it can be seen that the electric field strength of the electronic device (100) according to one embodiment is formed higher than that of the electronic device according to the prior art near the second radiator (322). At the second frequency (e.g., about 0.95 GHz), it can be seen that the radiation performance of the second radiator (321) of the electronic device (100) according to one embodiment is improved.

[0219] FIG. 16 is a graph comparing the radiation performance of an electronic device (100) according to one embodiment with the radiation performance of an electronic device according to the prior art.

[0220] Reference number 1621 is a graph comparing the total radiation efficiency by frequency band of an electronic device (100) according to one embodiment with the total radiation efficiency by frequency band of an electronic device according to the prior art.

[0221] Referring to reference number 1621, graph 1601 shows the total radiation efficiency value (unit: dB) measured in a first frequency band (e.g., approximately 650 to 1050 MHz band) when radiating radio waves using an electronic device according to the prior art. Graph 1603 shows the total radiation efficiency value measured in a first frequency band (e.g., approximately 650 to 1050 MHz band) when radiating radio waves using an antenna radiator (320) according to one embodiment.

[0222] Referring to graphs 1601 and 1603, it can be seen that when radio waves are radiated using an antenna radiator (320) according to one embodiment, the total radiation efficiency value measured in a first frequency band (e.g., a band of about 650 to 1050 MHz) is improved compared to when radio waves are radiated through a conventional electronic device. For example, in a frequency band (1630) around about 650 MHz to about 800 MHz, when radio waves are radiated using an antenna radiator (320) according to one embodiment, it can be seen that the total radiation efficiency value is improved compared to when radio waves are radiated through a conventional electronic device.

[0223] Reference number 1622 is a graph comparing the radiation efficiency by frequency band of an electronic device (100) according to one embodiment and the radiation efficiency by frequency band of an electronic device according to the prior art.

[0224] Referring to reference number 1622, graph 1605 shows the radiation efficiency value (unit: dB) measured in a first frequency band (e.g., approximately 650 to 1050 MHz band) when radiating radio waves using an electronic device according to the prior art. Graph 1607 shows the radiation efficiency value measured in a first frequency band (e.g., approximately 650 to 1050 MHz band) when radiating radio waves using an antenna radiator (320) according to one embodiment.

[0225] Referring to graphs 1605 and 1607, it can be seen that when radio waves are radiated using an antenna radiator (320) according to one embodiment, the radiation efficiency value measured in a first frequency band (e.g., a band of about 650 to 1050 MHz) is improved compared to when radio waves are radiated through a conventional electronic device. For example, when radio waves are radiated using an antenna radiator (320) according to one embodiment in a frequency band (1630) of about 650 MHz to about 800 MHz, it can be seen that the radiation efficiency value is improved compared to when radio waves are radiated through a conventional electronic device.

[0226] Reference number 1623 is a graph comparing the reflection coefficient by frequency band of an electronic device (100) according to one embodiment with the reflection coefficient by frequency band of an electronic device according to the prior art.

[0227] Referring to reference number 1623, graph 1609 shows the reflection coefficient value (unit: dB) measured in a first frequency band (e.g., approximately 650 to 1050 MHz band) when radiating radio waves using an electronic device according to the prior art. Graph 1611 shows the reflection coefficient value measured in a first frequency band (e.g., approximately 650 to 1050 MHz band) when radiating radio waves using an antenna radiator (320) according to one embodiment.

[0228] Referring to graphs 1609 and 1611, it can be seen that when radio waves are radiated using an antenna radiator (320) according to one embodiment, the reflection coefficient value measured in a first frequency band (e.g., a band of about 650 to 1050 MHz) is improved compared to when radio waves are radiated through a conventional electronic device. For example, in a frequency band (1630) around about 650 MHz to about 800 MHz, when radio waves are radiated using an antenna radiator (320) according to one embodiment, it can be seen that the reflection coefficient value is improved compared to when radio waves are radiated through a conventional electronic device.

[0229] FIG. 17 is a drawing showing a printed circuit board (1700) of an electronic device (100) according to one embodiment.

[0230] The printed circuit board (1700) of FIG. 17 may differ from the printed circuit board (310) of FIG. 4 in its electrical components (1710) and ground pattern (331), while the rest of the parts may be substantially the same. In describing FIG. 17, parts that overlap with FIG. 4 may be replaced by the description of FIG. 4. According to one embodiment, when comparing the electrical components (1710) of FIG. 17 and the ground pattern (331) of FIG. 17 with FIG. 4, the electrical components (1710) of FIG. 17 may be rotated 90 degrees so that the slit area (1720) is reduced. As a result, the ground pattern (331) of FIG. 17 may be shorter than the ground pattern (330) of FIG. 4. The slit area of ​​the printed circuit board (1700) may include an area of ​​the printed circuit board (1700) that does not contain a pattern. The slit region (1720) of the printed circuit board (1700) may include a peel-cut region from which the ground layer has been removed. A ground pattern (331) may be placed at a position corresponding to the slit region (1720). At least a portion of the slit region (1720) may correspond to an electrical component (1710).

[0231] FIG. 18 is a drawing showing a printed circuit board (310) of an electronic device (100) according to one embodiment.

[0232] In explaining Fig. 18, parts that overlap with Fig. 4 may be replaced with the explanation of Fig. 4.

[0233] According to one embodiment, the slit area (1810) of FIG. 18 may be extended beyond the slit area (1720) of FIG. 17. To extend the slit area (1810) of FIG. 18 beyond the slit area (1720) of FIG. 17, the arrangement of the electrical component (1710) may be changed. For example, the electrical component of FIG. 17 and FIG. 18 may include a microphone. Since the slit area (1810) of FIG. 18 is extended beyond the slit area (1720) of FIG. 17, the printed circuit board (310) may include a ground pattern (1820) that is longer than the ground pattern (331) of FIG. 17. The ground pattern (330) may be placed at a position corresponding to the slit area (1810). At least a portion of the slit area (1810) may correspond to the electrical component (1710).

[0234] Referring to FIGS. 17 and 18, the length of the ground pattern (331, 1820) according to one embodiment may be changed by changing the arrangement of electrical components on the printed circuit board (310). Referring to FIGS. 17 and 18, the length of the ground pattern (331, 1820) according to one embodiment may be changed by design. The length of the ground pattern (331, 1820) according to one embodiment may be designed or changed based on the resonant frequency band required for the antenna radiator (320).

[0235] FIG. 19 is a graph comparing the radiation performance of an antenna radiator (320) combined with a printed circuit board (1700) of FIG. 17 according to one embodiment with the radiation performance of an electronic device according to the prior art.

[0236] Reference number 1901 is a graph comparing the total radiation efficiency by frequency band of an antenna radiator (320) combined with a printed circuit board (1700) of FIG. 17 according to one embodiment with the total radiation efficiency by frequency band of an electronic device according to the prior art.

[0237] Referring to reference number 1901, graph 1910 shows the total radiation efficiency value (unit: dB) measured in a first frequency band (e.g., approximately 650 to 1100 MHz band) when radiating radio waves using an electronic device according to the prior art. Graph 1920 shows the total radiation efficiency value measured in a first frequency band (e.g., approximately 650 to 1100 MHz band) when radiating radio waves using an antenna radiator (320) combined with a printed circuit board (1700) of FIG. 17 according to one embodiment.

[0238] Referring to graphs 1910 and 1920, it can be seen that when radio waves are radiated using an antenna radiator (320) combined with a printed circuit board (1700) of FIG. 17 according to one embodiment, the total radiation efficiency value measured in a first frequency band (e.g., a band of about 650 to 1100 MHz) is improved compared to when radio waves are radiated through a conventional electronic device. For example, in a frequency band (1950) around 700 MHz, when radio waves are radiated using an antenna radiator (320) combined with a printed circuit board (1700) of FIG. 17 according to one embodiment, it can be seen that the total radiation efficiency value is improved compared to when radio waves are radiated through a conventional electronic device.

[0239] Reference number 1903 is a graph comparing the reflection coefficient by frequency band of an antenna radiator (320) combined with a printed circuit board (1700) of FIG. 17 according to one embodiment with the reflection coefficient by frequency band of an electronic device according to the prior art.

[0240] Referring to reference number 1903, graph 1930 shows the reflection coefficient value (unit: dB) measured in a first frequency band (e.g., approximately 650 to 1100 MHz band) when radiating radio waves using an electronic device according to the prior art. Graph 1940 shows the reflection coefficient value measured in a first frequency band (e.g., approximately 650 to 1100 MHz band) when radiating radio waves using an antenna radiator (320) combined with a printed circuit board (1700) of FIG. 17 according to one embodiment.

[0241] Referring to graphs 1930 and 1940, it can be seen that when radio waves are radiated using an antenna radiator (320) combined with a printed circuit board (1700) of FIG. 17 according to one embodiment, the reflection coefficient value measured in a first frequency band (e.g., a band of about 650 to 1100 MHz) is improved compared to when radio waves are radiated through a conventional electronic device. For example, when radio waves are radiated using an antenna radiator (320) combined with a printed circuit board (1700) of FIG. 17 according to one embodiment in a frequency band (1950) around about 700 MHz, it can be seen that the reflection coefficient value is improved compared to when radio waves are radiated through a conventional electronic device.

[0242] FIG. 20 is a graph comparing the radiation performance of an antenna radiator (320) combined with a printed circuit board (310) of FIG. 18 or FIG. 4 according to one embodiment with the radiation performance of an electronic device according to the prior art.

[0243] Reference number 2001 is a graph comparing the total radiation efficiency by frequency band of an antenna radiator (320) combined with a printed circuit board (310) of FIG. 18 or FIG. 4 according to one embodiment with the total radiation efficiency by frequency band of an electronic device according to the prior art.

[0244] Referring to reference number 2001, graph 2010 shows the total radiation efficiency value (unit: dB) measured in a first frequency band (e.g., approximately 650 to 1100 MHz band) when radiating radio waves using an electronic device according to the prior art. Graph 2020 shows the total radiation efficiency value measured in a first frequency band (e.g., approximately 650 to 1100 MHz band) when radiating radio waves using an antenna radiator (320) combined with a printed circuit board (310) of FIG. 18 or FIG. 4 according to one embodiment.

[0245] Referring to graphs 2010 and 2020, when radio waves are radiated using an antenna radiator (320) combined with a printed circuit board (310) of FIG. 18 or FIG. 4 according to one embodiment, it can be confirmed that the total radiation efficiency value measured in a first frequency band (e.g., a band of about 650 to 1100 MHz) is improved compared to when radio waves are radiated through a conventional electronic device. For example, when radio waves are radiated using an antenna radiator (320) combined with a printed circuit board (310) of FIG. 18 or FIG. 4 according to one embodiment in a frequency band (2050) around about 700 MHz, it can be confirmed that the total radiation efficiency value is improved compared to when radio waves are radiated through a conventional electronic device.

[0246] Reference number 2003 is a graph comparing the reflection coefficient by frequency band of an antenna radiator (320) combined with a printed circuit board (310) of FIG. 18 or FIG. 4 according to one embodiment with the reflection coefficient by frequency band of an electronic device according to the prior art.

[0247] Referring to reference number 2003, graph 2030 shows the reflection coefficient value (unit: dB) measured in a first frequency band (e.g., about 650 to 1100 MHz band) when radiating radio waves using an electronic device according to the prior art. Graph 2040 shows the reflection coefficient value measured in a first frequency band (e.g., about 650 to 1100 MHz band) when radiating radio waves using an antenna radiator (320) combined with a printed circuit board (310) of FIG. 18 or FIG. 4 according to one embodiment.

[0248] Referring to graphs 2030 and 2040, it can be seen that when radio waves are radiated using an antenna radiator (320) combined with a printed circuit board (310) of FIG. 18 or FIG. 4 according to one embodiment, the reflection coefficient value measured in a first frequency band (e.g., about 650 to 1100 MHz band) is improved compared to when radio waves are radiated through a conventional electronic device. For example, in a frequency band (2030) around about 700 MHz, when radio waves are radiated using an antenna radiator (320) combined with a printed circuit board (310) of FIG. 18 or FIG. 4 according to one embodiment, it can be seen that the reflection coefficient value is improved compared to when radio waves are radiated through a conventional electronic device.

[0249] FIG. 21 is a diagram showing a switching control operation in an equivalent circuit of the printed circuit board (310) and antenna radiator (320) of FIG. 5 according to one embodiment.

[0250] The equivalent circuit of the printed circuit board (310) and the antenna radiator (320) of FIG. 21 may be identical to the equivalent circuit of the printed circuit board (310) and the antenna radiator (320) of FIG. 5. In describing FIG. 21, any parts that overlap with FIG. 5 may be replaced with the description of FIG. 5.

[0251] In one embodiment, the instructions can control the switching operation of the second switch (522) by resonant frequency band when executed individually or collectively by the processor (110).

[0252] In one embodiment, at reference numeral 2101, according to the switching control operation of the electronic device (100), the first switch (521) can control the electrical connection between the first ground terminal (311) and the first radiator (321). The second switch (522) can control the electrical connection between the second ground terminal (312), the third ground terminal (314), and the second radiator (322). The electronic device (100) can supply power to the first radiator (321) through the feeding terminal (313). The electronic device (100) can power the first radiator (321) through the feeding terminal (313) and electrically connect the first ground terminal (311) and the first radiator (321) through the first switch (521). When the first radiator (321) is powered and connected to the first ground terminal (311), the first radiator (321) may form resonance in a first frequency band (e.g., a low band). For example, the first frequency band may include a band of about 1 GHz or less. In one embodiment, when the first radiator (321) is powered, power may also be supplied to the second radiator (322) through coupling power. The electronic device (100) may allow the second radiator (322) to be electrically connected to the second ground terminal (312) or the third ground terminal (314). When the second radiator (322) is electrically connected to the third ground terminal (314), the second radiator (322) can form resonance in a second frequency band (e.g., middle band, e.g., about 1 to 2.2 GHz) and a third frequency band (e.g., high band, e.g., about 2.2 to 3 GHz).

[0253] In reference numeral 2103, an electronic device (100) according to one embodiment may determine whether there is a need to communicate in a first frequency band or to improve the performance of the first frequency band of the antenna radiator (320). If it is determined that there is a need to communicate in a first frequency band or to improve the performance of the first frequency band of the antenna radiator (320), the electronic device (100) may cause the second radiator (322) to be electrically connected to the second ground terminal (312) through the ground pattern (330) and may block the connection between the second radiator (322) and the third ground terminal (314).

[0254] In reference number 2103, the second radiator (322) can be powered through a coupling feed with a ground pattern (330) electrically connected to the second ground terminal (312). The ground pattern (330) may cross a feeding line (412) or a radiation pattern electrically connecting the feeding terminal (313) and the first radiator (321).

[0255] FIG. 22 is a graph comparing the total radiation efficiency by frequency band of an electronic device (100) according to one embodiment with the total radiation efficiency by frequency band of an electronic device according to the prior art.

[0256] Referring to FIG. 22, graph 2210 shows the total radiation efficiency value (unit: dB) measured in a first frequency band (e.g., about 700 to 1000 MHz band) when radiating radio waves using an electronic device according to the prior art. Graph 2220 shows the total radiation efficiency value measured in a first frequency band (e.g., about 700 to 1000 MHz band) when radiating radio waves using an antenna radiator (320) according to one embodiment.

[0257] Referring to graphs 2210 and 2220, it can be seen that when radio waves are radiated using an antenna radiator (320) according to one embodiment, the total radiation efficiency value measured in the first frequency band (e.g., about 700 to 1000 MHz band) is improved compared to when radio waves are radiated through a conventional electronic device.

[0258] FIG. 23a is a circuit diagram including all layers of a printed circuit board (310) according to one embodiment, FIG. 23b is a circuit diagram of a printed circuit board (310) according to one embodiment viewed from a first layer (e.g., upper layer), and FIG. 23c is a circuit diagram of a printed circuit board (310) according to one embodiment viewed from a second layer (e.g., lower layer).

[0259] The printed circuit board (310) of FIGS. 23a, FIGS. 23b, and FIGS. 23c may be substantially the same as the printed circuit board (310) of FIGS. 4. In describing FIGS. 23a, FIGS. 23b, and FIGS. 23c, any parts that overlap with FIGS. 4 may be replaced with the description of FIGS. 4.

[0260] Referring to FIG. 23a, FIG. 23b, and FIG. 23c, at least a portion of the ground pattern (330) according to one embodiment may be placed on a first layer (e.g., an upper layer), and at least a portion of the ground pattern (330) may be placed on a second layer (e.g., a lower layer).

[0261] In one embodiment, the ground pattern (330) may include a first segment pattern (2301) and a second segment pattern (2303). Referring to FIG. 23b, the first segment pattern (2301) may be placed on a first layer (e.g., an upper layer). Referring to FIG. 23c, the second segment pattern (2303) may be placed on a second layer (e.g., a lower layer).

[0262] In one embodiment, the first segment pattern (2301) and the second segment pattern (2303) may be electrically connected through a via.

[0263] In one embodiment, in order to bypass electrical components on a printed circuit board (310), an electronic device (100) according to one embodiment may be placed on a printed circuit board (310) by dividing a ground pattern (330).

[0264] FIG. 24a is a diagram showing the connection relationship between the first switch (521) and the elements included in the printed circuit board (310) according to one embodiment.

[0265] Referring to FIG. 24a, the first switch (521) can be connected to components included in the electronic device (100) through the address identification pin (USID), power supply pin (VIO), bus clock pin (SCLK), and bus data pin (SDATA). The first switch (521) can receive power from the voltage output at the node (N1) between the voltage (V1) supplied from the electronic device (100) and the first capacitor (C1).

[0266] Referring to FIG. 24a, the first switch (521) can be electrically connected to the first radiator (321). The first radiator (321) and the first inductor (L1) can be connected in parallel.

[0267] Referring to FIG. 24a, in one embodiment, the components included in the printed circuit board (310) may include a first inductor (L1), a first capacitor (C1), a first reactive element (RF1), a second reactive element (RF2), a third reactive element (RF3) and / or a fourth reactive element (RF4). The first reactive element (RF1) may include an inductor having a specific inductance (e.g., about 6.8 nH). The second reactive element (RF2) may include an inductor having a specific inductance (e.g., about 2.7 nH). The third reactive element (RF3) may include an inductor having a specific inductance (e.g., about 12 nH). The fourth reactive element (RF4) may include an inductor having a specific inductance (e.g., about 33 nH).

[0268] In one embodiment, the electronic device (100) can adjust the communication frequency band using a first switch (521) and electronic components connected to the first switch (521) (e.g., a first inductor (L1), a first capacitor (C1), a first reactive element (RF1), a second reactive element (RF2), a third reactive element (RF3) and / or a fourth reactive element (RF4)) under the control of a processor (110).

[0269] FIG. 24b is a diagram showing the connection relationship between the second switch (522) and the elements included in the printed circuit board (310) according to one embodiment.

[0270] Referring to FIG. 24b, the second switch (522) can be connected to the electronic device (100) through the address identification pin (USID), power supply pin (VIO), bus clock pin (SCLK) and / or bus data pin (SDATA). The second switch (522) can receive power from the voltage (V1) supplied from the electronic device (100) and the voltage output from the node (N2) between the third capacitor (C3).

[0271] Referring to FIG. 24b, the second switch (522) can be electrically connected to the second radiator (322). The second radiator (322), the second inductor (L2), and the second capacitor (C2) can be connected in parallel.

[0272] Referring to FIG. 24b, in one embodiment, the components included in the printed circuit board (310) may include a second inductor (L2), a second capacitor (C2), a third capacitor (C3), a fifth reactive element (RF5), a sixth reactive element (RF6), a seventh reactive element (RF7) and / or an eighth reactive element (RF8). The fifth reactive element (RF5) may include a capacitor having a specific capacitance (e.g., about 4.7 pF). The sixth reactive element (RF6) may include a capacitor having a specific capacitance (e.g., about 10 pF). The seventh reactive element (RF7) may include a capacitor having a specific capacitance (e.g., about 100 pF). The eighth reactive element (RF8) may include a capacitor having a specific capacitance (e.g., about 100 pF). The seventh reactive element (RF7) may be electrically connected to the ground pattern (330). The second switch (522) may be electrically connected to the ground pattern (330) through the seventh reactive element (RF7).

[0273] In one embodiment, the electronic device (100) can adjust the communication frequency band using a second switch (522) and electronic components connected to the second switch (522) (e.g., a second inductor (L2), a second capacitor (C2), a third capacitor (C3), a fifth reactive element (RF5), a sixth reactive element (RF6), a seventh reactive element (RF7) and / or an eighth reactive element (RF8)) under the control of a processor (110).

[0274] FIG. 25 is a graph showing the total radiation efficiency for the resonance formed in the antenna radiator (320) based on the switching control operation according to one embodiment.

[0275] Referring to FIGS. 24a and FIGS. 24b, the instructions can control the switching operation of the first switch (521) and the second switch (522) by resonant frequency band when executed individually or collectively by the processor (110).

[0276] Referring to FIG. 24a and FIG. 24b, in one embodiment, by controlling the on / off of four reactive elements (RF1, RF2, RF3, RF4) connected to the first switch (521), the resonance formed in the antenna radiator (320) can be changed in 16 different ways in which the reactive elements (RF1, RF2, RF3, RF4) are connected to the switch.

[0277] Referring to FIG. 24a and FIG. 24b, in one embodiment, by controlling the on / off of four reactive elements (RF5, RF6, RF7, RF8) connected to the second switch (522), the resonance formed in the antenna radiator (320) can be changed in 16 different cases where the reactive elements (RF5, RF6, RF7, RF8) are connected to the switch.

[0278] Referring to FIG. 24a and FIG. 24b, by controlling the connection between the switches and the reactive elements connected to each of the first switch (521) and the second switch (522), the resonance formed in the antenna radiator (320) can be changed in 32 different ways.

[0279] In FIG. 25, graph 2511 is a graph showing the total radiation efficiency by frequency band of the antenna radiator (320) when the fifth reactive element (RF5), the sixth reactive element (RF6), the seventh reactive element (RF7) and the eighth reactive element (RF8) are connected to the antenna radiator (320) through the second switch (522).

[0280] 2512 The graph is a graph showing the total radiation efficiency by frequency band of the antenna radiator (320) when the 5th reactive element (RF5) and the 7th reactive element (RF7) are connected to the antenna radiator (320) through the 2nd switch (522).

[0281] 2514 Graph is a graph showing the total radiation efficiency by frequency band of the antenna radiator (320) when the fifth reactive element (RF5) is connected to the antenna radiator (320) through the second switch (522).

[0282] 2515 The graph is a graph showing the total radiation efficiency of the antenna radiator (320) by frequency band when the 5th reactive element (RF5), the 6th reactive element (RF6), the 7th reactive element (RF7) and the 8th reactive element (RF8) are not connected to the 2nd switch (522).

[0283] 2516 is a graph showing the total radiation efficiency by frequency band of the antenna radiator (320) when the 7th reactive element (RF7) is connected to the antenna radiator (320) through the 2nd switch (522).

[0284] 2518 The graph is a graph showing the total radiation efficiency by frequency band of the antenna radiator (320) when the third reactive element (RF3) and the fourth reactive element (RF4) are connected to the antenna radiator (320) through the first switch (521).

[0285] 2520 is a graph showing the total radiation efficiency by frequency band of the antenna radiator (320) when the fourth reactive element (RF4) is connected to the antenna radiator (320) through the first switch (521).

[0286] 2521 The graph is a graph showing the total radiation efficiency by frequency band of the antenna radiator (320) when the first reactive element (RF1) and the third reactive element (RF3) are connected to the antenna radiator (320) through the first switch (521).

[0287] FIG. 26 is a circuit diagram showing a printed circuit board (310) according to one embodiment.

[0288] The printed circuit board (310) of FIG. 26 according to one embodiment may be substantially identical to the printed circuit board (310) of FIG. 4, except for the third switch (2610). In describing FIG. 26, parts that overlap with FIG. 4 may be replaced with the description of FIG. 4.

[0289] In one embodiment, the printed circuit board (310) may include a third switch (2610) capable of controlling the length of the ground pattern (330). The ground pattern (330) may be segmented based on the third switch (2610). The ground pattern (330) may include a segmented pattern between the second ground terminal (312) and the third switch (2610) and a segmented pattern between the second switch (252) and the third switch (2610). The electronic device (100) may control the length of the ground pattern (330) by controlling the third switch (2610) to connect or disconnect the segmented pattern between the second ground terminal (312) and the third switch (2610).

[0290] In one embodiment, the third switch (2610) and / or the second switch (252) may be connected to ground (G).

[0291] FIG. 27 is a drawing showing an electronic device (2700) having a multi-foldable form factor according to one embodiment.

[0292] An electronic device according to one embodiment may include an electronic device (100) having a bar-type form factor as well as an electronic device (2700) having a multi-foldable form factor.

[0293] In one embodiment, an electronic device (2700) having a multi-foldable form factor may include a housing (2701, 2702, 2703) that can be folded inward or outward through a hinge.

[0294] In one embodiment, an electronic device (2700) having a multi-foldable form factor may include a bottom side (2751), a left side (2752), a top side (2753), and a right side (2754).

[0295] In one embodiment, an electronic device (2700) having a multi-foldable form factor may include a feeding terminal (2731) on the bottom side (2751) of a first housing portion (2701) or in an area adjacent to the bottom side (2751). An electronic device (2700) having a multi-foldable form factor may include a fourth ground terminal (2732) on a second housing portion (2702). An electronic device (2700) having a multi-foldable form factor may include a fifth ground terminal (2733) on a third housing portion (2703). For example, the feeding terminal (2731), the fourth ground terminal (2732), and the fifth ground terminal (2733) may be placed on a printed circuit board. The antenna radiator (2740) may include a seventh radiator (2741), an eighth radiator (2742), and a ninth radiator (2743). The antenna radiator (2740) may be electrically connected to a printed circuit board including a feeding terminal (2731), a fourth ground terminal (2732), and a fifth ground terminal (2733).

[0296] In one embodiment, the feeding terminal (2731) may be electrically connected to the seventh radiator (2741). The fourth ground terminal (2732) may be electrically connected to the eighth radiator (2742). The fifth ground terminal (2733) may be electrically connected to the ninth radiator (2743).

[0297] In one embodiment, the feeding terminal (2731) may be placed in the first housing portion (2701). The fourth ground terminal (2732) may be placed in the second housing portion (2702). The fifth ground terminal (2733) may be placed in the third housing portion (2703).

[0298] Reference number 2710 indicates the connection and wiring status between an antenna radiator (2740) and a printed circuit board including a feeding terminal (2731), a fourth ground terminal (2732), and a fifth ground terminal (2733) when a plurality of housings (2701, 2702, 2703) are fully unfolded.

[0299] Reference number 2720 indicates the connection and wiring state between the antenna radiator (2740) and the printed circuit board including the feeding terminal (2731), the fourth ground terminal (2732), and the fifth ground terminal (2733) when the housing (2701, 2702, 2703) is in a fully folded state.

[0300] In reference number 2720, the wiring connecting the ninth radiator (2743) and the fifth ground terminal (2733) and the wiring connecting the feeding terminal (2731) and the seventh radiator (2741) may cross each other. When the wiring connecting the ninth radiator (2743) and the fifth ground terminal (2733) and the wiring connecting the feeding terminal (2731) and the seventh radiator (2741) cross each other, the radiation performance in the first frequency band of the electronic device (2700) may be improved. When the wiring connecting the ninth radiator (2743) and the fifth ground terminal (2733) and the wiring connecting the feeding terminal (2731) and the seventh radiator (2741) cross each other, the radiation performance in a specific frequency band of the electronic device (2700) may be improved.

[0301] In one embodiment, the wiring connecting the eighth radiator (2742) and the fourth ground terminal (2732) and the wiring connecting the feeding terminal (2731) and the seventh radiator (2741) may cross each other. When the wiring connecting the eighth radiator (2742) and the fourth ground terminal (2732) and the wiring connecting the feeding terminal (2731) and the seventh radiator (2741) cross each other, the radiation performance in the first frequency band of the electronic device (2700) may be improved. When the wiring connecting the eighth radiator (2742) and the fourth ground terminal (2732) and the wiring connecting the feeding terminal (2731) and the seventh radiator (2741) cross each other, the radiation performance in a specific frequency band of the electronic device (2700) may be improved.

[0302] FIG. 28 is a drawing showing an electronic device (2800) having a foldable form factor according to one embodiment.

[0303] An electronic device according to one embodiment may include an electronic device (100) having a bar-type form factor as well as an electronic device (2800) having a foldable form factor.

[0304] In one embodiment, an electronic device (2800) having a foldable form factor may include a housing (2811, 2812) that can be folded inward or outward through a hinge.

[0305] In one embodiment, an electronic device (2800) having a foldable form factor may include a bottom side (2851), a left side (2852), a top side (2853), and a right side (2854).

[0306] In one embodiment, an electronic device (2800) having a foldable form factor may include a feeding terminal (2821) and a sixth ground terminal (2822) in a bottom side (2851) or in an area adjacent to the bottom side (2851). The feeding terminal (2821) and the sixth ground terminal (2822) may be placed on a printed circuit board. An antenna radiator (2830) may include a tenth radiator (2831) and an eleventh radiator (2832). The antenna radiator (2830) may be electrically connected to a printed circuit board including the feeding terminal (2821) and the sixth ground terminal (2822).

[0307] In one embodiment, the feeding terminal (2821) may be electrically connected to the 10th radiator (2831). The 6th ground terminal (2822) may be electrically connected to the 11th radiator (2832).

[0308] In one embodiment, the feeding terminal (2821) may be placed in the first housing (2811). The sixth ground terminal (2822) may be placed in the second housing (2812).

[0309] Reference number 2801 indicates the connection and wiring status between a printed circuit board including a sixth ground terminal (2822) and an antenna radiator (2830) when the housing (2811, 2812) is fully unfolded.

[0310] Reference number 2802 indicates the connection and wiring status between the printed circuit board including the sixth ground terminal (2822) and the antenna radiator (2830) when the housing (2811, 2812) is in a fully folded state.

[0311] In reference number 2802, the wiring connecting the 11th radiator (2832) and the 6th ground terminal (2822) and the wiring connecting the feeding terminal (2821) and the 10th radiator (2831) may cross each other. When the wiring connecting the 11th radiator (2832) and the 6th ground terminal (2822) and the wiring connecting the feeding terminal (2821) and the 10th radiator (2831) cross each other, the radiation performance in the first frequency band of the electronic device (2800) may be improved. When the wiring connecting the 11th radiator (2832) and the 6th ground terminal (2822) and the wiring connecting the feeding terminal (2821) and the 10th radiator (2831) cross each other, the radiation performance in a specific frequency band of the electronic device (2800) may be improved.

[0312] In one embodiment, the electronic device (100) comprises: a communication circuit (160); a first ground terminal (e.g., first ground terminal (311)), a second ground terminal (e.g., second ground terminal (312)), a third ground terminal (e.g., third ground terminal (314)), a feeding terminal (e.g., feeding terminal (313)) disposed between the second ground terminal (e.g., second ground terminal (312)) and the third ground terminal (e.g., third ground terminal (314)); and a printed circuit board (e.g., printed circuit board (310)) on which a plurality of connecting wires are disposed; The apparatus includes an antenna radiator (e.g., antenna radiator (320)) electrically connected to a printed circuit board (e.g., printed circuit board (310)), wherein the antenna radiator (e.g., antenna radiator (320)) includes a first radiator (e.g., first radiator (321)) electrically connected to a feeding terminal (e.g., feeding terminal (313)) and a first ground terminal (e.g., first ground terminal (311)), and a second radiator (e.g., second radiator (322)) electrically connected to a second ground terminal (e.g., second ground terminal (312)) or a third ground terminal (e.g., third ground terminal (314)) via a switch, and the printed circuit board (e.g., printed circuit board (310)) includes a feeding terminal (e.g., feeding terminal (313)) and the first radiator (e.g., first radiator (321)). It may include a ground pattern (e.g., ground pattern (330)) that electrically connects a second radiator (e.g., second radiator (322)) and a second ground terminal (e.g., second ground terminal (312)) through a switch while crossing a line (e.g., feeding line (412)).

[0313] In one embodiment, when power is supplied to the first radiator (e.g., the first radiator (321)) through a feeding terminal (e.g., the feeding terminal (313)), resonance may be formed in a first frequency band.

[0314] In one embodiment, when power is supplied to the first radiator (e.g., the second radiator (322)), the second radiator (e.g., the first radiator (321)) is coupled through a first wiring connected to a third ground terminal, and resonance can be formed in the second frequency band and the third frequency band.

[0315] In one embodiment, when the second radiator (e.g., second radiator (322)) is disconnected from the third ground terminal (e.g., third ground terminal (314)), resonance may be formed in the first frequency band.

[0316] In one embodiment, a second ground terminal (e.g., second ground terminal (312)) and a ground pattern (e.g., ground pattern (330)) may be electrically connected to a second radiator (e.g., second radiator (322)).

[0317] In one embodiment, a ground pattern (e.g., ground pattern (330)) may be placed at a position corresponding to a slit area placed on a printed circuit board (e.g., printed circuit board (310)).

[0318] In one embodiment, the electronic device (100) may further include a first switch (e.g., a first switch (521)) connected between a first ground terminal (e.g., a first ground terminal (311)) and a first radiator (e.g., a first radiator (321)); and a second switch (e.g., a second switch (522)) connected between a second ground terminal (e.g., a second ground terminal (312)), a third ground terminal (e.g., a third ground terminal (314)) and a second radiator (e.g., a second radiator (322)).

[0319] In one embodiment, the electronic device (100) may further include a processor (110) comprising one or more processing circuits; and a memory (120) that stores instructions, comprising one or more storage media.

[0320] In one embodiment, when instructions are executed individually or collectively by the processor (110), the electronic device (100) may control a second switch (e.g., second switch (522)) to connect a ground pattern (e.g., ground pattern (330)) and a third ground terminal (e.g., third ground terminal (314)) with a second radiator (e.g., second radiator (322)).

[0321] In one embodiment, when the instructions are executed individually or collectively by the processor (110), the electronic device (100) may control a second switch (e.g., second switch (522)) to block the connection with a third ground terminal (e.g., third ground terminal (314)) and connect a ground pattern (e.g., ground pattern (330)) with a second radiator (e.g., second radiator (322)).

[0322] In one embodiment, the printed circuit board (e.g., printed circuit board (310)) may further include a third switch connected to a ground pattern (e.g., ground pattern (330)).

[0323] In one embodiment, when the instructions are executed individually or collectively by the processor (110), the electronic device (100) may control the length of the ground pattern (e.g., ground pattern (330)) by controlling the third switch.

[0324] In one embodiment, when instructions are executed individually or collectively by the processor (110), the electronic device (100) may control the electrical connection with the elements connected to each of the first switch (e.g., the first switch (521)) and the second switch (e.g., the second switch (522)) to control the radiation performance by frequency band.

[0325] In one embodiment, a ground pattern (e.g., ground pattern (330)) may be placed on at least a portion of an antenna radiator (e.g., antenna radiator (320)).

[0326] In one embodiment, a printed circuit board (e.g., printed circuit board (310)) is positioned between an antenna radiator (e.g., antenna radiator (320)) and a display, and the antenna radiator (e.g., antenna radiator (320)) may be positioned between a rear cover and a printed circuit board (e.g., printed circuit board (310)).

[0327] In one embodiment, the display is placed on the first surface of the electronic device (100), and the rear cover may be placed on the second surface of the electronic device (100).

[0328] In one embodiment, the electronic device (100) may include first sides that are parallel to each other and surround the space between the first surface and the second surface; and second sides that surround the space between the first surface and the second surface and are perpendicular to the first sides.

[0329] In one embodiment, a printed circuit board (e.g., printed circuit board (310)) and an antenna radiator (e.g., antenna radiator (320)) may be positioned adjacent to at least one of the second sides.

[0330] In one embodiment, the electronic device (100) may include at least one of a bar-type housing, a foldable housing, or a multi-foldable housing.

[0331] In one embodiment, if the electronic device (100) includes a foldable housing, a feeding terminal (e.g., feeding terminal (313)) may be placed in the first housing, and a second ground terminal (e.g., second ground terminal (312)) may be placed in the second housing.

[0332] In one embodiment, if the electronic device (100) includes a multi-foldable housing, a feeding terminal (e.g., feeding terminal (313)) may be placed in the first housing, a third ground terminal (e.g., third ground terminal (314)) may be placed in the second housing, and a second ground terminal (e.g., second ground terminal (312)) may be placed in the third housing.

[0333] In one embodiment, an antenna radiator (e.g., antenna radiator (320)) is formed from an FPCB, and a first radiator (e.g., first radiator (321)) and a second radiator (e.g., second radiator (322)) may be formed by bonding a processed metal foil onto the FPCB.

[0334] In one embodiment, the second radiator (e.g., the second radiator (322)) can be fed by coupling the first wiring to the feeding line (e.g., the feeding line (412)).

[0335] An electronic device according to one embodiment disclosed in this document may be of various forms. The electronic device may include, for example, a portable communication device (e.g., a smartphone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a consumer electronics device. The electronic device according to the embodiment of this document is not limited to the aforementioned devices.

[0336] The embodiments of this document and the terms used therein are not intended to limit the technical features described in this document to specific embodiments, and should be understood to include various modifications, equivalents, or substitutions of said embodiments. In connection with the description of the drawings, similar reference numerals may be used for similar or related components. The singular form of a noun corresponding to an item may include one or more of said items unless the relevant context clearly indicates otherwise. In this document, phrases such as "A or B," "at least one of A and B," "at least one of A or B," "A, B or C," "at least one of A, B and C," and "at least one of A, B, or C" may each include any one of the items listed together in the corresponding phrase, or all possible combinations thereof. Terms such as "first," "second," or "first" or "second" may be used simply to distinguish said components from other said components and do not limit said components in any other aspect (e.g., importance or order). Where any (e.g., 1st) component is referred to as “coupled” or “connected” to another (e.g., 2nd) component, with or without the terms “functionally” or “communicationly,” it means that said any component may be connected to said other component directly (e.g., via a wire), wirelessly, or through a third component.

[0337] As used in one embodiment of this document, the term “module” may include a unit implemented in hardware, software, or firmware, and may be used interchangeably with terms such as logic, logic block, component, or circuit, for example. A module may be a component formed integrally, or a minimum unit of said component or a part thereof that performs one or more functions. For example, according to one embodiment, a module may be implemented in the form of an application-specific integrated circuit (ASIC).

[0338] One embodiment of the present document may be implemented as software (e.g., a program) comprising one or more instructions stored in a storage medium (e.g., internal memory) or external memory that is readable by a machine (e.g., an electronic device (100)). For example, a processor (e.g., a processor (110)) of the machine (e.g., an electronic device (100)) may call at least one of the one or more instructions stored in the storage medium and execute it. This enables the machine to operate to perform at least one function according to the at least one called instruction. The one or more instructions may include code generated by a compiler or code that can be executed by an interpreter. The storage medium readable by the machine may be provided in the form of a non-transitory storage medium. Here, 'non-temporary' simply means that the storage medium is a tangible device and does not contain a signal (e.g., electromagnetic waves), and the term does not distinguish between cases where data is stored semi-permanently and cases where it is stored temporarily.

[0339] According to one embodiment, the method according to one embodiment disclosed herein may be provided by being included in a computer program product. The computer program product may be traded between a seller and a buyer as a product. The computer program product may be distributed in the form of a device-readable storage medium (e.g., compact disc read-only memory (CD-ROM)) or an application store (e.g., Play Store). TM It can be distributed online (e.g., downloaded or uploaded) through ) or directly between two user devices (e.g., smartphones). In the case of online distribution, at least a portion of the computer program product may be temporarily stored or temporarily created on a device-readable storage medium, such as the memory of a manufacturer's server, an application store's server, or a relay server.

[0340] According to one embodiment, each component (e.g., module or program) of the components described above may include a singular or multiple entities, and some of the multiple entities may be separated and placed in other components. According to one embodiment, one or more of the components or operations among the aforementioned components may be omitted, or one or more other components or operations may be added. Generally or additionally, multiple components (e.g., module or program) may be integrated into a single component. In this case, the integrated component may perform one or more functions of each of the multiple components in the same or similar manner as those performed by the corresponding component among the multiple components prior to integration. According to one embodiment, operations performed by the module, program, or other components may be executed sequentially, in parallel, iteratively, or heuristically, or one or more of the operations may be executed in a different order, omitted, or one or more other operations may be added.

Claims

1. In an electronic device, Communication circuit; A printed circuit board having a first ground terminal, a second ground terminal, a third ground terminal, a feeding terminal disposed between the second ground terminal and the third ground terminal, and a plurality of connecting wires disposed thereon; It includes an antenna radiator electrically connected to the above printed circuit board, and The above antenna radiator A first radiator electrically connected to the above-mentioned feeding terminal and the above-mentioned first ground terminal, and It includes a second radiator electrically connected to the second ground terminal or the third ground terminal through a switch, The above printed circuit board is An electronic device comprising a ground pattern that electrically connects the second radiator and the second ground terminal through the switch while crossing a feeding line connecting the feeding terminal and the first radiator.

2. In Paragraph 1, The above first radiator When power is supplied through the above-mentioned feeding terminal, resonance is formed in the first frequency band, and The above second radiator An electronic device in which resonance is formed in the first frequency band when the connection with the third ground terminal is cut off.

3. In Paragraph 1, The above second radiator When power is supplied to the first radiator, coupling power is supplied through the first wiring connected to the third ground terminal, and resonance is formed in the second frequency band and the third frequency band, and An electronic device to which the above feeding line and the above first wiring are coupled and supplied with power.

4. In Paragraph 1, The above second ground terminal and the above ground pattern are an electronic device electrically connected to the above second radiator.

5. In Paragraph 4, The above ground pattern is An electronic device positioned at a location corresponding to a slit area placed on the printed circuit board.

6. In Paragraph 4, A first switch connected between the first ground terminal and the first radiator; and An electronic device further comprising a second switch connected between the second ground terminal, the third ground terminal, and the second radiator.

7. In Paragraph 6, A processor comprising one or more processing circuits; and It includes one or more storage media, and further includes memory for storing instructions, When the above instructions are executed individually or collectively by the processor, the electronic device, By controlling the second switch, the ground pattern and the third ground terminal are connected to the second radiator, and By controlling the second switch above, the connection with the third ground terminal is blocked, and the ground pattern and the second radiator are connected, An electronic device that controls radiation performance by frequency band by controlling electrical connections with elements connected to each of the first switch and the second switch.

8. In Paragraph 1, The above printed circuit board is An electronic device further comprising a third switch connected to the above ground pattern.

9. In Paragraph 8, A processor comprising one or more processing circuits; and It includes one or more storage media, and further includes memory for storing instructions, When the above instructions are executed individually or collectively by the processor, the electronic device, An electronic device that controls the length of the ground pattern by controlling the third switch.

10. In Paragraph 4, The above ground pattern is An electronic device disposed on at least a portion of the above-mentioned antenna radiator.

11. In Paragraph 1, The above printed circuit board is placed between the antenna radiator and the display, and The above antenna radiator is positioned between the rear cover and the printed circuit board, and The above display is positioned on a first surface of the electronic device, and The above rear cover is disposed on the second side of the electronic device, and The above electronic device First sides parallel to each other surrounding the space between the first surface and the second surface; and It surrounds the space between the first surface and the second surface and includes second surfaces that are perpendicular to the first surfaces, The above printed circuit board and the above antenna radiator An electronic device disposed adjacent to at least one of the second sides.

12. In Paragraph 1, The above electronic device An electronic device comprising at least one of a bar-type housing, a foldable housing, or a multi-foldable housing.

13. In Paragraph 12, An electronic device in which the above electronic device includes a foldable housing, wherein the feeding terminal is disposed in the first housing and the second ground terminal is disposed in the second housing.

14. In Paragraph 12, An electronic device comprising a multi-foldable housing, wherein the feeding terminal is disposed in the first housing, the third ground terminal is disposed in the second housing, and the second ground terminal is disposed in the third housing.

15. In Paragraph 1, The above antenna radiator It is formed as an FPCB, and The above first radiator and the above second radiator are An electronic device formed by bonding a processed metal foil onto the above FPCB.

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