TWM553500U - Mobile device - Google Patents

Abstract

A mobile device includes a metal mechanism element, a ground plane, a feeding element, a first connection element, a second connection element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a fifth radiation element, a shorting element, and a dielectric substrate. The metal mechanism element has a slot. The feeding element extends across the slot. The first radiation element extends across at least a portion of the slot. The second radiation element is coupled through the second connection element and the first connection element to the feeding element. The shorting element is coupled between the second connection element and the ground plane. An antenna structure is formed by the feeding element, the first radiation element, the second radiation element, the third radiation element, the fourth radiation element, the fifth radiation element, the first connection element, the second connection element, the shorting element, and the slot of the metal mechanism element.

Description

Mobile device

This creation relates to a mobile device, in particular to a mobile device and its antenna structure.

With the development of mobile communication technologies, mobile devices have become more and more popular in recent years, such as portable computers, mobile phones, multimedia players, and other portable electronic devices with mixed functions. In order to meet people's needs, mobile devices usually have the function of wireless communication. Some cover long-range wireless communication range. For example, mobile phones use 2G, 3G, LTE (Long Term Evolution) systems and their 700MHz, 850MHz, 900MHz, 1800MHz, 1900MHz, 2100MHz, 2300MHz, 2500MHz and 2700MHz bands for communication. And some cover short-range wireless communication range, for example: Wi-Fi, Bluetooth systems use 2.4GHz, 5.2GHz and 5.8GHz frequency band for communication.

In order to pursue a beautiful appearance, today's designers often add elements of metal components to mobile devices. However, the added metal components are likely to have a negative impact on the antennas that support wireless communication in mobile devices, thereby reducing the overall communication quality of the mobile device. Therefore, it is necessary to propose a new mobile device and antenna structure to overcome the problems faced by traditional technologies.

In a preferred embodiment, the present invention provides a mobile device comprising: a metal mechanism component having a slot; a ground plane coupled to the metal mechanism component; and a feed component coupled to a signal source, wherein The feeding portion extends across the slot; a first radiating portion is coupled to the feeding portion, wherein the first radiating portion extends across at least a portion of the slot; a first connecting portion is coupled to a feeding portion and the grounding surface; a second connecting portion coupled to the first connecting portion; a second radiating portion coupled to the feeding portion via the second connecting portion and the first connecting portion; a third radiating portion coupled to the first connecting portion; a fourth radiating portion coupled to the feeding portion and the grounding surface; a fifth radiating portion coupled to the second connecting portion and the second radiating portion The fifth radiating portion and the second radiating portion extend in opposite directions; a shorting portion coupled between the second connecting portion and the grounding surface; and a dielectric substrate, wherein the grounding surface, the Feeding portion, the first radiating portion, the second radiating portion, the third radiation The fourth radiating portion, the fifth radiating portion, the first connecting portion, the second connecting portion, and the shorting portion are all disposed on the dielectric substrate; wherein the feeding portion, the first radiating portion, the first portion The second radiating portion, the third radiating portion, the fourth radiating portion, the fifth radiating portion, the first connecting portion, the second connecting portion, the shorting portion, and the slot of the metal mechanism component are formed together An antenna structure.

In some embodiments, the slot is an L-shaped open slot having an open end and a closed end.

In some embodiments, the antenna structure includes a low frequency band, a first high frequency band, and a second high frequency band, the low frequency band being between about 700 MHz and 960 MHz, the first high frequency band being approximately Between 1700MHz and 2400MHz, and the second high frequency band is between 2500MHz and 2900MHz between.

In some embodiments, the length of the slot is approximately equal to 0.25 times the wavelength of the low frequency band.

In some embodiments, the total length of the feed portion and the first radiating portion is substantially equal to 0.5 times the wavelength of the low frequency band.

In some embodiments, the total length of the first connection portion, the second connection portion, and the second radiation portion is substantially equal to 0.5 times the wavelength of the low frequency band.

In some embodiments, the total length of the first connection portion and the third radiation portion is substantially equal to 0.25 times the wavelength of the low frequency band.

In some embodiments, the length of the fourth radiating portion and the length of the feeding portion are both approximately equal to 0.25 times the wavelength of the first high frequency band.

In some embodiments, the total length of the first connection portion, the second connection portion, and the fifth radiation portion is substantially equal to 0.5 times the wavelength of the first high frequency band.

In some embodiments, the mobile device further includes: a first adjusting portion coupled to the first radiating portion; a second adjusting portion coupled to the fourth radiating portion; and a third adjusting portion coupled To the first connecting portion, wherein the third adjusting portion is disposed in a notch defined by the first connecting portion and the third radiating portion; and a fourth adjusting portion coupled to the first connecting portion, The fourth adjustment portion and the third adjustment portion extend in opposite directions; and a fifth adjustment portion coupled to the second connection portion, wherein the fifth adjustment portion is disposed on the short circuit portion and the first Between the five radiation departments.

100, 500‧‧‧ mobile devices

110‧‧‧Metal mechanism components

111‧‧‧The edge of the metalwork components

120‧‧‧ slots

121‧‧‧Open end of the second slot

122‧‧‧Closed end of the second slot

140‧‧‧ Ground plane

150‧‧‧Feeding Department

151‧‧ ‧ the first end of the feeding department

152‧‧ ‧ the second end of the feeding department

160‧‧‧First connection

161‧‧‧The first end of the first connection

162‧‧‧The second end of the first connection

170‧‧‧Second connection

171‧‧‧The first end of the second connection

172‧‧‧second end of the second connection

180‧‧‧Media substrate

190‧‧‧Signal source

210‧‧‧First Radiation Department

211‧‧‧ First end of the first radiation department

212‧‧‧The second end of the first radiation department

215‧‧‧S-shaped part of the first radiation department

220‧‧‧Second Radiation Department

221‧‧‧ First end of the second radiation department

222‧‧‧ second end of the second radiation department

225‧‧‧ U-shaped part of the second radiation department

230‧‧‧ Third Radiation Department

231‧‧‧ First end of the third radiation department

232‧‧‧ second end of the third radiation department

240‧‧‧Fourth Radiation Department

241‧‧‧ First end of the fourth radiation department

242‧‧‧ the second end of the fourth radiation department

250‧‧‧ Fifth Radiation Department

251‧‧‧ the first end of the fifth radiation department

252‧‧‧second end of the fifth radiation department

260‧‧‧ Short circuit

261‧‧‧The first end of the short circuit

262‧‧‧The second end of the short circuit

265‧‧‧Rectangular widening of the short circuit

471‧‧‧First Adjustment Department

472‧‧‧Second Adjustment Department

473‧‧‧ Third Adjustment Department

474‧‧‧ Fourth Adjustment Department

475‧‧‧ Fifth Adjustment Department

477‧‧ ‧ gap

503‧‧‧ first position

504‧‧‧The hinge of the notebook computer

510‧‧‧Note computer cover

520‧‧‧Note screen border of notebook computer

523‧‧‧second position

The first surface of the E1‧‧• dielectric substrate

E2‧‧‧ second surface of the dielectric substrate

FBL‧‧‧Low frequency band

FBH1‧‧‧ first high frequency band

FBH2‧‧‧second high frequency band

L1‧‧‧ length

W1‧‧‧Width

1A is a perspective view showing a mobile device according to an embodiment of the present invention; FIG. 1B is a schematic view showing a lower portion of a mobile device according to an embodiment of the present invention; FIG. 1D is a cross-sectional view showing a mobile device according to an embodiment of the present invention; FIG. 2 is a cross-sectional view showing a mobile device according to an embodiment of the present invention; Return loss map of the antenna structure of the mobile device; FIG. 3 is an antenna efficiency diagram of the antenna structure of the mobile device according to an embodiment of the present invention; and FIG. 4 is a view showing an action according to another embodiment of the present creation A perspective view of the device; FIG. 5A is a schematic view showing a mobile device according to an embodiment of the present invention; and FIG. 5B is a schematic view showing a mobile device according to another embodiment of the present creative.

In order to make the purpose, the features and the advantages of the present invention more obvious and obvious, the specific embodiments of the present invention are described below, and the drawings are described in detail below.

Some words are used in the specification and patent application scope. Refers to a specific component. Those skilled in the art will appreciate that a hardware manufacturer may refer to the same component by a different noun. The scope of the present specification and the patent application do not use the difference in the name as the means for distinguishing the elements, but the difference in function of the elements as the criterion for distinguishing. The words "including" and "including" as used throughout the specification and patent application are open-ended terms and should be interpreted as "including but not limited to". The term "substantially" means that within the acceptable error range, those skilled in the art will be able to solve the technical problems within a certain error range to achieve the basic technical effects. In addition, the term "coupled" is used in this specification to include any direct and indirect electrical connection means. Therefore, if a first device is coupled to a second device, the first device can be directly electrically connected to the second device, or indirectly connected to the second device via other devices or connection means. Two devices.

Fig. 1A is a perspective view showing a mobile device 100 according to an embodiment of the present invention. FIG. 1B is a schematic diagram showing a lower portion of the mobile device 100 according to an embodiment of the present invention. 1C is a schematic diagram showing the upper layer portion of the mobile device 100 according to an embodiment of the present invention. 1D is a cross-sectional view showing a mobile device 100 according to an embodiment of the present invention. Please refer to Figures 1A, 1B, 1C, and 1D together. The mobile device 100 can be a smart phone, a tablet computer, or a notebook computer. In the embodiment of the first embodiment, the mobile device 100 includes a metal mechanism element 110, a ground plane 140, a feeding element 150, and a feeding unit. a first connection portion (Connection Element) 160, a second connection portion 170, a dielectric substrate (Dielectric Substrate) 180, a first radiation A Radiation Element 210, a second radiating portion 220, a third radiating portion 230, a fourth radiating portion 240, a fifth radiating portion 250, and a shorting element 260. It should be understood that although not shown in the 1A, 1B, 1C, and 1D drawings, the mobile device 100 may further include other components, such as a processor and a touch control panel. , a speaker, a battery module, and a housing.

The metal mechanism component 110 can be a metal plate that can be an Appearance Element of the mobile device 100. The metal mechanism component 110 has a slot 120, wherein the slot 120 can be generally an L-shape. For example, a portion of the slot 120 can be substantially parallel to one edge 111 of the metal mechanism member 110, and another portion of the slot 120 can be substantially perpendicular to the edge 111 of the metal mechanism member 110. In detail, the slot 120 is an open slot having an open end 121 and a closed end 122 away from each other, and the open end 121 of the slot 120 is located The edge 111 of the metal mechanism element 110.

a ground plane 140, a feeding portion 150, a first connecting portion 160, a second connecting portion 170, a first radiating portion 210, a second radiating portion 220, a third radiating portion 230, a fourth radiating portion 240, and a fifth radiating portion 250, And the short-circuit portion 260 is made of a metal material such as copper, silver, aluminum, iron, or an alloy thereof. The dielectric substrate 180 can be a FR4 (Flame Retardant 4) substrate or a Flexible Printed Circuit Board (FPCB). The dielectric substrate 180 may have a first surface E1 and a second surface E2, wherein the ground plane 140, the feeding portion 150, the first connecting portion 160, the second connecting portion 170, the first radiating portion 210, and the The second radiating portion 220, the third radiating portion 230, the fourth radiating portion 240, the fifth radiating portion 250, and the shorting portion 260 are all disposed on the first surface E1 of the dielectric substrate 180, and the second surface E2 of the dielectric substrate 180 is Close to or directly attached to the metal mechanism component 110 (adjacent or in contact with the slot 120).

The ground plane 140 is coupled to the metal mechanism component 110, which can provide a ground potential for the mobile device 100. For example, the ground plane 140 can be a ground copper foil that can be extended from the dielectric substrate 180 to the metal mechanism component 110. The ground plane 140 may be flush with one of the edges of the slot 120 or may partially overlap one of the slots 120.

The feed portion 150 can be substantially straight. The feeding portion 150 has a first end 151 and a second end 152. The first end 151 of the feeding portion 150 is coupled to a signal source 190, and the second end 152 of the feeding portion 150 extends across Slot 120 of metal mechanism component 110. For example, one of the vertical projections of the feed portion 150 on the metal mechanism component 110 can span the entire width W1 of the slot 120. The signal source 190 can be a radio frequency (RF) module that can be used to generate a transmit signal or process a received signal.

The first radiating portion 210 may be substantially U-shaped. The first radiating portion 210 has a first end 211 and a second end 212. The first end 211 of the first radiating portion 210 is coupled to the second end 152 of the feeding portion 150, and the first radiating portion 210 is The second end 212 is an open end and extends across at least a portion of the slot 120. The second end 212 of the first radiating portion 210 extends further toward the fourth radiating portion 240. For example, a vertical projection of the first radiating portion 210 on one of the metal mechanism elements 110 can span at least one third of the width W1 of the slot 120. The first radiating portion 210 is more packaged One of the S-shaped portions 215 is adjacent to the second end 212 of the first radiating portion 210. The meandering shape of the first radiating portion 210 helps to increase its equivalent resonant length and reduce its overall area.

The first connecting portion 160 may be substantially in an L shape. The first connecting portion 160 has a first end 161 and a second end 162. The first end 161 of the first connecting portion 160 is coupled to the first end 151 of the feeding portion 150 and the grounding surface 140, and the first connection The second end 162 of the portion 160 extends away from the ground plane 140. The second connecting portion 170 may be substantially straight. The second connecting portion 170 has a first end 171 and a second end 172. The first end 171 of the second connecting portion 170 is coupled to the second end 162 of the first connecting portion 160, and the second connecting portion 170 The second end 172 extends away from the feed portion 150.

The second radiating portion 220 may be substantially straight. The second radiating portion 220 has a first end 221 and a second end 222. The first end 221 of the second radiating portion 220 is coupled to the feeding portion 150 via the second connecting portion 170 and the first connecting portion 160. One end 151 and the second end 222 of the second radiating portion 220 are an open end. The second radiating portion 220 may further include a concave portion 225 adjacent to the first end 221 of the second radiating portion 220. The meandering shape of the second radiating portion 220 helps to increase its equivalent resonance length and reduce its overall area.

The third radiating portion 230 may be substantially straight. The third radiating portion 230 has a first end 231 and a second end 232, wherein the first end 231 of the third radiating portion 230 is coupled to the second end 162 of the first connecting portion 160, and the third radiating portion 230 The second end 232 is an open end and extends toward the feed portion 150.

The fourth radiating portion 240 may be substantially straight, which may be perpendicular to Feeding unit 150. The fourth radiating portion 240 has a first end 241 and a second end 242, wherein the first end 241 of the fourth radiating portion 240 is coupled to the first end 151 of the feeding portion 150 and the ground plane 140, and the fourth radiation The second end 242 of the portion 240 is also coupled to the ground plane 140 and extends away from the feed portion 150.

The fifth radiating portion 250 may be substantially straight. The fifth radiating portion 250 has a first end 251 and a second end 252. The first end 251 of the fifth radiating portion 250 is coupled to the second end 172 and the second radiating portion 220 of the second connecting portion 170. The first end 221 and the second end 252 of the fifth radiating portion 250 are an open end and extend in opposite directions from the second end 222 of the second radiating portion 220.

The short-circuit portion 260 may have an irregular shape. The shorting portion 260 has a first end 261 and a second end 262, wherein the first end 261 of the shorting portion 260 is coupled to the second end 172 of the second connecting portion 170, and the second end 262 of the shorting portion 260 is The ground plane 140 is coupled to the ground plane 140. The shorting portion 260 may further include a rectangular widening portion 265 including a second end 262 and coupled to the ground plane 140. The rectangular widened portion 265 of the shorting portion 260 can simultaneously adjust the high and low frequency impedance matching of the antenna structure.

In a preferred embodiment, the feeding portion 150, the first radiating portion 210, the second radiating portion 220, the third radiating portion 230, the fourth radiating portion 240, the fifth radiating portion 250, the first connecting portion 160, and the second connection Portion 170, shorting portion 260, and slot 120 of metal mechanism component 110 together form an antenna structure, the characteristics of which will be as described in the following embodiments.

2 is a diagram showing a Return Loss diagram of an antenna structure of a mobile device 100 according to an embodiment of the present invention, wherein the horizontal axis represents the operating frequency (MHz) and the vertical axis represents the return loss (dB). Measure the knot according to the amount in Figure 2 The antenna structure of the mobile device 100 may include a low frequency band FBL, a first high frequency band FBH1, and a second high frequency band FBH2, wherein the low frequency band FBL may be approximately 700 MHz to when receiving or transmitting a wireless signal. Between 960 MHz, the first high frequency band FBH1 may be between about 1700 MHz and 2400 MHz, and the second high frequency band FBH2 may be between about 2500 MHz and 2900 MHz. Therefore, the antenna structure of the mobile device 100 can support at least a wide operation of multiple bands such as LTE (Long Term Evolution), GSM (Global System for Mobile Communications), WLAN (Wireless Local Area Networks), and Bluetooth.

In some embodiments, the principle of operation of the antenna structure of mobile device 100 can be as follows. The feeding portion 150, the first radiating portion 210, the first connecting portion 160, the second connecting portion 170, the second radiating portion 220, the third radiating portion 230, the short-circuit portion 260, and the slot 120 of the metal mechanism member 110 are excited to generate A fundamental acoustic resonance mode (Fundamental Resonant Mode) to form the aforementioned low frequency band FBL. Furthermore, the feeding portion 150, the first connecting portion 160, the second connecting portion 170, the third radiating portion 230, the fourth radiating portion 240, the fifth radiating portion 250, the short-circuit portion 260, and the slot of the metal mechanism member 110 The 120 series excitation produces another fundamental frequency resonant mode to form the aforementioned first high frequency band FBH1. In addition, the feeding portion 150, the first radiating portion 210, the first connecting portion 160, the second connecting portion 170, the second radiating portion 220, the third radiating portion 230, the short-circuit portion 260, and the slot 120 of the metal mechanism member 110 are further The excitation generates a High-order Resonant Mode (Triple Frequency) to form the aforementioned second high frequency band FBH2. Since the low frequency band FBL, the first high frequency band FBH1, and the second high frequency band FBH2 at least partially share the same resonant path, the design will effectively reduce the action. The overall area of the antenna structure of device 100.

In some embodiments, the component dimensions of the mobile device 100 can be as described below. The length L1 of the slot 120 is approximately equal to 0.25 times the wavelength (λ/4) of the low frequency band FBL. The width W1 of the slot 120 is approximately 3 mm. The total length of the feeding portion 150 and the first radiating portion 210 (from the first end 151 through the second end 152, the first end 211 to the second end 212) is substantially equal to 0.5 times the wavelength of the low frequency band FBL (λ/2) ). The total length of the first connecting portion 160, the second connecting portion 170, and the second radiating portion 220 (from the first end 161 through the second end 162, the first end 171, the second end 172, the first end 221, and then The second end 222 is substantially equal to 0.5 times the wavelength (λ/2) of the low frequency band FBL. The total length of the first connecting portion 160 and the third radiating portion 230 (from the first end 161 through the second end 162, the first end 231 to the second end 232) is substantially equal to 0.25 times the wavelength of the low frequency band FBL (λ) /4), or approximately equal to 0.5 times the wavelength (λ/2) of the first high frequency band FBH1. The length of the fourth radiating portion 240 (from the first end 241 to the second end 242) is substantially equal to 0.25 times the wavelength (λ/4) of the first high frequency band FBH1. The length of the feed portion 150 (from the first end 151 to the second end 152) is substantially equal to 0.25 times the wavelength (λ/4) of the first high frequency band FBH1. The total length of the first connecting portion 160, the second connecting portion 170, and the fifth radiating portion 250 (from the first end 161 through the second end 162, the first end 171, the second end 172, the first end 251, and then The second end 252 is substantially equal to 0.5 times the wavelength (λ/2) of the first high frequency band FBH1. The above component size range is obtained from a plurality of experimental results, which contributes to optimizing the operating band and impedance matching of the antenna structure of the mobile device 100.

Fig. 3 is a diagram showing an antenna efficiency of an antenna structure of a mobile device 100 according to an embodiment of the present invention, wherein the horizontal axis represents the operating frequency (MHz) and the vertical axis represents the antenna efficiency (dB). According to the third As shown in the figure, the antenna structure of the mobile device 100 has an antenna efficiency of about -3 dB in the low frequency band FBL, and the antenna efficiency in the first high frequency band FBH1 and the second high frequency band FBH2 is about -4 dB. This has met the practical application needs of general mobile communication devices.

Figure 4 is a perspective view showing a mobile device 400 according to another embodiment of the present creation. Figure 4 is similar to Figure 1A. In the embodiment of FIG. 4, the mobile device 400 further includes a first adjustment unit (Tuning Element) 471, a second adjustment unit 472, a third adjustment unit 473, a fourth adjustment unit 474, and a fifth. Adjustment unit 475. Each of the above adjustment sections can finely adjust the impedance matching of the antenna structure of the mobile device 400, thereby improving the radiation efficiency of the antenna structure. The first adjustment portion 471 may be substantially a rectangle or a square. The first adjusting portion 471 is coupled to the S-shaped portion 215 of the first radiating portion 210. The second adjustment portion 472 can be substantially a rectangle or a square. The second adjusting portion 472 is coupled to the second end 242 of the fourth radiating portion 240 . The third adjustment portion 473 may be substantially straight. The third adjusting portion 473 is coupled to the first connecting portion 160 , wherein the third adjusting portion 473 and the third radiating portion 230 extend in the same direction and parallel to each other. In detail, the third adjusting portion 473 is disposed in one of the notches 477 defined by the first connecting portion 160 and the third radiating portion 230. The fourth adjustment portion 474 may be substantially straight. The fourth adjusting portion 474 is coupled to the first connecting portion 160 , wherein the fourth adjusting portion 474 and the third adjusting portion 473 extend in opposite directions. The fifth adjustment portion 475 may be substantially an oblique straight strip shape. The fifth adjusting portion 475 is coupled to the second end 172 of the second connecting portion 170 , wherein the fifth adjusting portion 475 is disposed between the short-circuit portion 260 and the fifth radiating portion 250 . In detail, the first adjustment unit 471 is used to fine-tune the impedance matching between the low frequency band FBL and the second high frequency band FBH2; and the second adjustment unit 472 and the third adjustment unit 473, fourth adjustment unit 474, and fifth adjustment unit 475 are used to fine-tune the impedance matching of the first high frequency band FBH1. It must be understood that all of the above adjustment parts are optional elements, and may be removed in other embodiments.

Figure 5A is a schematic diagram showing a mobile device 500 according to an embodiment of the present invention. In the embodiment of FIG. 5A, the mobile device 500 is a notebook computer, and the metal mechanism component 110 can be a cover case 510 (commonly referred to as "A" in a notebook computer). If the antenna structure described above is implemented in the notebook upper cover housing 510, the slot 120 can be adjacent to one of the hinges 504 of the notebook computer. That is, the slot 120 can be formed in a first position 503 of the upper cover housing 510.

FIG. 5B is a schematic diagram showing a mobile device 500 according to another embodiment of the present creation. In the embodiment of FIG. 5B, the mobile device 500 is a notebook computer, and the metal mechanism component 110 can be a screen frame 520 of a notebook computer (commonly referred to as a "B component" in a notebook computer). If the antenna structure described above is implemented on the screen frame 520 of the notebook computer, the slot 120 can be adjacent to one of the rotating shafts 504 of the notebook computer. That is, the slot 120 can be formed in a second position 523 of the screen bezel 520.

Whether the aforementioned antenna structure is located at a first location 503 of the upper cover housing 510 or a second position 523 of the screen bezel 520, it can cover the wideband operating band of LTE and provide sufficient antenna efficiency. It must be noted that one of the upper cover housing 510 and the screen bezel 520 may be made of a metal material (forming an antenna structure), and the other of which may be made of a non-conductor material to avoid interference with the radiation pattern of the antenna structure. If both the upper cover case 510 and the screen frame 520 are made of gold When the material is made, the screen frame 520 should have an opening, and the vertical projection of the opening is substantially aligned with the antenna structure of the upper cover housing 510, so that electromagnetic waves of the antenna structure can be transmitted through the opening. Since the antenna structure is adjacent to the rotating shaft 504 of the notebook computer, it will not need to occupy the space above the display, so it is suitable for notebook computers with various Narrow Border designs.

This creation proposes a novel antenna structure that covers wideband operation with a single slot. When the antenna structure is applied to a mobile device having a metal back cover (for example, a metal cover upper cover), since the metal back cover can be regarded as an extension of the antenna structure, the metal back cover can be effectively avoided. The quality of communication has a negative impact. It should also be noted that this creation can further improve the design of the mobile device without using any antenna window (Antenna Window) on the metal back cover. All in all, this creation has the advantages of small size, wide frequency band, and beautification of the appearance of the device, so it is suitable for use in a variety of various types of mobile communication devices.

It should be noted that the component sizes, component parameters, component shapes, and frequency ranges described above are not limitations of this creation. The antenna designer can adjust these settings according to different needs. In addition, the antenna structure of the present invention is not limited to the state illustrated in Figures 1-5. This creation may include only one or a plurality of features of any one or a plurality of embodiments of Figures 1-5. In other words, not all of the illustrated features must be implemented simultaneously in the antenna structure of the present invention.

The ordinal numbers in this specification and the scope of the patent application, such as "first", "second", "third", etc., have no sequential relationship with each other, and are only used to indicate that two are identical. Different components of the name.

Although the present invention is disclosed above in the preferred embodiment, it is not used Limiting the scope of this creation, any person skilled in the art can make some changes and refinements without departing from the spirit and scope of this creation. Therefore, the scope of protection of this creation is defined by the scope of the patent application attached. Prevail.

100‧‧‧ mobile devices

110‧‧‧Metal mechanism components

111‧‧‧The edge of the metalwork components

120‧‧‧ slots

121‧‧‧Open end of the second slot

122‧‧‧Closed end of the second slot

140‧‧‧ Ground plane

150‧‧‧Feeding Department

160‧‧‧First connection

170‧‧‧Second connection

180‧‧‧Media substrate

190‧‧‧Signal source

210‧‧‧First Radiation Department

220‧‧‧Second Radiation Department

230‧‧‧ Third Radiation Department

240‧‧‧Fourth Radiation Department

250‧‧‧ Fifth Radiation Department

260‧‧‧ Short circuit

Claims (10)

A mobile device includes: a metal mechanism component having a slot; a ground plane coupled to the metal mechanism component; a feed component coupled to a signal source, wherein the feedthrough extends across the slot; a first radiating portion is coupled to the feeding portion, wherein the first radiating portion extends across at least a portion of the slot; a first connecting portion is coupled to the feeding portion and the grounding surface; a second connecting portion coupled to the first connecting portion; a second radiating portion coupled to the feeding portion via the second connecting portion and the first connecting portion; a third radiating portion coupled to the first portion a fourth radiating portion coupled to the feeding portion and the grounding surface; a fifth radiating portion coupled to the second connecting portion and the second radiating portion, wherein the fifth radiating portion is coupled to the The second radiating portion extends in an opposite direction; a shorting portion coupled between the second connecting portion and the grounding surface; and a dielectric substrate, wherein the grounding surface, the feeding portion, the first radiating portion, the a second radiating portion, the third radiating portion, the fourth radiating portion, the fifth spoke The first connecting portion, the second connecting portion, and the shorting portion are all disposed on the dielectric substrate; wherein the feeding portion, the first radiating portion, the second radiating portion, the third radiating portion, the The fourth radiating portion, the fifth radiating portion, the first connecting portion, the second connecting portion, the shorting portion, and the slot of the metal mechanism component are formed together An antenna structure. The mobile device of claim 1, wherein the slot is an L-shaped open slot having an open end and a closed end. The mobile device of claim 1, wherein the antenna structure comprises a low frequency band, a first high frequency band, and a second high frequency band, the low frequency band being between 700 MHz and 960 MHz, The first high frequency band is between about 1700 MHz and 2400 MHz, and the second high frequency band is between about 2500 MHz and 2900 MHz. The mobile device of claim 3, wherein the slot has a length substantially equal to 0.25 times the wavelength of the low frequency band. The mobile device of claim 3, wherein the total length of the feeding portion and the first radiating portion is substantially equal to 0.5 times the wavelength of the low frequency band. The mobile device of claim 3, wherein the total length of the first connecting portion, the second connecting portion, and the second radiating portion is substantially equal to 0.5 times the wavelength of the low frequency band. The mobile device of claim 3, wherein the total length of the first connecting portion and the third radiating portion is substantially equal to 0.25 times the wavelength of the low frequency band. The mobile device of claim 3, wherein the length of the fourth radiating portion and the length of the feeding portion are substantially equal to 0.25 times the wavelength of the first high frequency band. The mobile device of claim 3, wherein the total length of the first connecting portion, the second connecting portion, and the fifth radiating portion is substantially equal to 0.5 times a wavelength of the first high frequency band. The mobile device of claim 1, further comprising: a first adjusting portion coupled to the first radiating portion; a second adjusting portion coupled to the fourth radiating portion; a third adjustment And the third adjusting portion is disposed in a notch defined by the first connecting portion and the third radiating portion; and a fourth adjusting portion coupled to the first portion a connecting portion, wherein the fourth adjusting portion and the third adjusting portion extend in opposite directions; and a fifth adjusting portion coupled to the second connecting portion, wherein the fifth adjusting portion is disposed on the short circuit Between the portion and the fifth radiating portion.