WO2016086896A1 - 电子装置 - Google Patents

电子装置 Download PDF

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Publication number
WO2016086896A1
WO2016086896A1 PCT/CN2015/096460 CN2015096460W WO2016086896A1 WO 2016086896 A1 WO2016086896 A1 WO 2016086896A1 CN 2015096460 W CN2015096460 W CN 2015096460W WO 2016086896 A1 WO2016086896 A1 WO 2016086896A1
Authority
WO
WIPO (PCT)
Prior art keywords
electronic device
unit
coupler
metal plate
plate body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2015/096460
Other languages
English (en)
French (fr)
Inventor
钟光永
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Molex Interconnect Shanghai Co Ltd
Molex LLC
Original Assignee
Molex Interconnect Shanghai Co Ltd
Molex LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Molex Interconnect Shanghai Co Ltd, Molex LLC filed Critical Molex Interconnect Shanghai Co Ltd
Priority to KR1020177017026A priority Critical patent/KR20170085589A/ko
Priority to US15/529,248 priority patent/US20170264722A1/en
Publication of WO2016086896A1 publication Critical patent/WO2016086896A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0249—Details of the mechanical connection between the housing parts or relating to the method of assembly
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364—Creating multiple current paths
    • H01Q5/371—Branching current paths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly

Definitions

  • the present invention relates to an electronic device having an antenna structure.
  • U.S. Patent No. 8,207,914 discloses a sidewall structure of a device that can be implemented using a conductive material and can be implemented substantially around a conductive ring member of a rectangular perimeter of the display.
  • the sidewall structure can act as a bezel that holds the display to the front side of the device.
  • the sidewall structure can sometimes be referred to as a bezel structure or a bezel.
  • the bezel extends around the rectangular perimeter of the device and display.
  • the border can have one or more gaps.
  • the gap is placed along the periphery of the device and the housing of the display, and is therefore sometimes referred to as a peripheral gap.
  • the gap separates the bezel (ie, there is typically no conductive portion of the bezel in the gap).
  • the bezel and gap (and its associated plastic filler structure) can form part of one or more antennas in the device.
  • the portions of the bezel and the gap may be combined with the internal conductive structure to form one or more loop antennas.
  • the inner conductive structure may comprise a printed circuit board structure, a frame member or other support structure, or other suitable conductive structure, wherein the conductive structure may be fed via a grounded antenna feed terminal and a positive antenna feed terminal coupled to the radio frequency transceiver.
  • the electric field strength of the RF antenna signal near the gap can be enhanced, but if the user places the finger near the gap, the operation of the antenna may be disturbed.
  • the device of US Pat. No. 8,207,914 only has a metal frame.
  • the radiation energy of the antenna cannot be transmitted smoothly. Go out. Therefore, the use of an all-metal casing on electronic products is still an issue that the industry still needs to work hard.
  • an object of the present invention is to correspondingly propose a new electronic device having an antenna.
  • the technical solution adopted by the present invention provides an electronic device including an internal circuit and a surface structure.
  • the internal circuit includes a circuit board, a feed unit, and a coupler.
  • the surface structure comprises a rectangular display, a metal shell, an elongated metal plate body, a connecting unit, a resonant unit and a dielectric material.
  • a reference ground plane and a transceiver are provided on the circuit board.
  • the power feeding unit is electrically connected to the transceiver.
  • the coupler is electrically connected to the feed portion.
  • a rectangular display is located on the top surface of the electronic device.
  • the metal shell electrically connects the reference ground plane of the board to form an integral reference ground.
  • the elongated metal plate body is located on one side of the electronic device and is separated from the edge of the metal case by a gap.
  • the connecting unit is located in the gap and connects the elongated metal plate body and the metal shell.
  • the resonant unit includes a portion of the edge of the joined elongated metal plate body, the connecting unit, and a portion of the edge of the metal shell.
  • the resonant unit is isolated from the coupler.
  • the coupler is capacitively coupled to the resonant unit.
  • the dielectric material fills the gap.
  • the metal casing comprises a lower casing located on a bottom surface of the electronic device, wherein the lower casing electrically connects the reference ground plane of the circuit board.
  • the metal case includes an upper case on a top surface of the electronic device and a lower case on a bottom surface of the electronic device, wherein the lower case electrically connects the reference ground plane of the circuit board, the lower
  • the housing is connected to the upper housing portion, the elongated metal plate body is located between the upper housing and the lower housing, and the connecting unit connects the elongated metal plate body and the upper housing or connects the elongated shape a metal plate body and the lower case.
  • the lower casing and the upper casing are partially connected by the two side plates respectively extending from two sides of the lower casing to the upper casing.
  • the elongated metal plate body extends to a corner of the electronic device and is bent to extend to an adjacent side surface connecting the corners.
  • the resonance unit comprises a length which is a multiple of a quarter wavelength of a radiation wave transmitted by the resonance unit.
  • the length of the resonant unit is an odd multiple of a quarter wavelength of a radiated wave transmitted by the resonant unit.
  • the power receiving portion receives energy from the transceiver and provides the energy to the coupler, the coupler coupling the energy to the resonant unit by capacitive coupling.
  • the energy received by the resonating unit is transferred to the transceiver via the coupler via capacitive coupling and a connection provided by the connecting unit to the reference ground plane.
  • the coupler being isolated from the universal serial bus circuit, wherein the coupler is capacitively coupled to the universal serial bus circuit.
  • the universal serial bus bar circuit comprises a ground circuit
  • the reference ground plane of the circuit board is connected to the universal serial bus bar connector
  • the metal shell is connected to the ground circuit of the universal serial bus circuit.
  • the coupler comprises a laser direct structuring layer.
  • the invention has the beneficial effects that the electronic device can use the full metal shell without being shielded; the connecting unit is used to connect the metal plate body and the upper casing and/or the metal plate body and the lower casing to form an antenna.
  • Resonant unit adjusting the position of the connecting unit to obtain the radiated wave of the desired frequency; coupling the energy to the metal shell by the non-direct feeding method, can avoid the contact of the antenna feeding point with the metal shell, thereby improving the convenience of design;
  • the feed mode couples energy to the metal shell and avoids poor antenna performance due to poor contact during production.
  • the bandwidth can be increased in the same antenna environment.
  • FIG. 1 is a schematic diagram of an electronic device according to an embodiment of the present invention.
  • FIG 2 is another schematic diagram of an electronic device according to an embodiment of the invention.
  • FIG. 3 is an exploded perspective view of an electronic device according to an embodiment of the invention.
  • FIG. 4 is another exploded schematic view of an electronic device according to an embodiment of the invention.
  • FIG. 5 is a schematic diagram of an antenna system according to an embodiment of the present invention.
  • FIG. 6 is another schematic diagram of an antenna system according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a coupler and a power feeding unit according to an embodiment of the present invention.
  • FIG. 8 is another schematic diagram of a coupler and a power feeding unit according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a universal serial bus circuit according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of another antenna system according to an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of a coupler and a power feeding unit of another antenna system according to an embodiment of the present invention.
  • Figure 12 is a resonance diagram of an embodiment of the present invention.
  • Figure 13 is a resonance diagram of another embodiment of the present invention.
  • Figure 14 is a resonance diagram of another embodiment of the present invention.
  • Figure 15 is a resonance diagram of another embodiment of the present invention.
  • the electronic device 1 includes a wireless communication circuit that can support wireless communication in at least one wireless communication band, the wireless communication circuit can include one or more antenna.
  • the electronic device 1 can be a small portable computer such as a laptop or a portable computer, a mini-notebook, and a tablet.
  • the electronic device 1 can also be a smaller electronic device such as a wristwatch electronic device, a pendant electronic device, a head mounted electronic device and a headset electronic device, or other wearable and miniature electronic device.
  • the electronic device 1 can be a handheld electronic device such as a cell phone, a media player with wireless communication capabilities, a handheld computer (sometimes referred to as a personal digital assistant), a remote control, a global positioning system ( GPS) electronic device, or handheld game electronics.
  • GPS global positioning system
  • the electronic device 1 supports high frequency communication, for example, above 1 GHz. In some embodiments, the electronic device 1 supports 1700 MHz to 2700 MHz. In at least some embodiments, the electronic device 1 supports lower frequency communications, such as below 1 GHz.
  • the electronic device 1 may be substantially rectangular, and may include a top surface, a bottom surface, and a plurality of sides. The side may be perpendicular to the top or bottom surface, but the invention is not limited thereto.
  • the electronic device 1 includes a surface structure 1a and an internal circuit 1b.
  • the surface structure 1a includes a rectangular display 11, a metal shell 12, and at least one long The metal plate body 123, 123a or 123b, at least one connecting unit 124, a resonating unit 120, 120a or 120b and a dielectric material 13.
  • the internal circuit 1b includes at least one circuit board 14 or 14a, at least one power feeding portion 127 or 127a, and at least one coupler 126a, 126b or 126c.
  • a rectangular display 11 is located on the top surface of the electronic device 1.
  • the rectangular display 11 can be a touch display with capacitive touch electrodes.
  • the rectangular display 11 can include image pixels formed from light emitting diodes (LEDs), organic LEDs (OLEDs), plasma units, electronic ink elements, liquid crystal display (LCD) components, or other suitable image pixel structures.
  • the electronic device 1 may include a cover glass member, and the cover glass member may cover the surface of the rectangular display 11.
  • the metal plate body 123, 123a or 123b is located on one side of the electronic device 1.
  • the metal plate body 123, 123a or 123b is separated from the edge of the metal shell 12 by a corresponding gap 125, 125a or 125b.
  • the connecting unit 124 is located in the corresponding gap 125, 125a or 125b and connects the metal shell 12 with the corresponding metal plate body 123, 123a or 123b.
  • the resonating unit 120, 120a or 120b includes a portion of the edge of the connected metal plate body 123, 123a or 123b, a corresponding connecting unit 124, and a portion of the edge of the metal shell 12.
  • Resonant unit 120, 120a or 120b is isolated from corresponding coupler 126a, 126b or 126c.
  • Coupler 126a, 126b or 126c is capacitively coupled to corresponding resonant unit 120, 120a or 120b.
  • the dielectric material 13 fills the gaps 125, 125a or 125b.
  • the dielectric material 13 may be plastic, glass or sapphire, but the invention is not limited thereto.
  • a reference ground plane 140 or 140a and a transceiver 15 or 15a are provided on the circuit board 14 or 14a of the internal circuit 1b.
  • the metal shell 12 is electrically connected to the reference ground plane 140 or 140a of the circuit board 14 or 14a of the internal circuit 1b to form an integral reference ground.
  • the power feeding portion 127 or 127a is electrically connected to the corresponding transceiver 15 or 15a.
  • the coupler 126a, 126b or 126c is electrically connected to the corresponding feed portion 127 or 127a.
  • Feeder 127 or 127a provides an input that allows the corresponding resonant unit 120, 120a or 120b to emit energy (signal).
  • the coupler 126a, 126b or 126c is not in direct contact with the corresponding resonant unit 120, 120a or 120b or the metal shell 12, which reduces the complexity of the antenna design and improves reliability.
  • the antenna on the metal shell 12 adopts an indirect or indirect feeding technique, which can effectively expand the bandwidth of the antenna.
  • the metal shell 12 includes a lower housing 122.
  • the lower case 122 is located on the bottom surface of the electronic device 1.
  • the connecting unit 124 connects the lower housing 122 with the corresponding metal plate body 123, 123a or 123b.
  • the metal shell 12 includes an upper housing 121 and a lower housing 122.
  • the upper casing 121 is located on the top surface of the electronic device 1.
  • the lower case 122 is located on the bottom surface of the electronic device 1.
  • the lower housing 122 is electrically connected to the aforementioned reference ground plane 140 or 140a.
  • the lower housing 122 is partially connected to the upper housing 121.
  • the metal plate body 123, 123a or 123b is located between the upper casing 121 and the lower casing 122.
  • the connecting unit 124 connects the corresponding metal plate body 123, 123a or 123b with the upper casing 121, or the connecting unit 124 connects the corresponding metal plate body 123, 123a or 123b and the lower casing 122.
  • a portion of the metal shell 12 can be used as an antenna.
  • at least one corner of the metal shell 12 acts as an antenna.
  • a non-corner on the metal shell 12 can be used as an antenna.
  • the metal shell 12, the metal plate body 123, 123a or 123b and the corresponding connecting unit 124 cooperate to form the conductive path 5, 5a, 5b or 5c, wherein the conductive path 5, 5a, 5b or 5c passes through the connecting unit 124, Moreover, the current path 2a, 2b, 2c or 2d is located on the conductive path.
  • the power feeding portion 127 or 127a is connected to the transceiver 15 or 15a via a transmission line 16 or 16a.
  • Feeder 127 or 127a may comprise circuit elements, which may be one or more elements that provide better impedance matching between transceiver 15 or 15a and coupler 126a, 126b or 126c.
  • Feeder 127 or 127a is in electrical communication with corresponding transceiver 15 or 15a via transmission line 16 or 16a and extends to the corresponding coupler 126a, 126b or 126c.
  • Feeder 127 or 127a may be constructed of any suitable conductive element and may have an impedance of approximately 50 ohms in one embodiment.
  • Feeder 127 or 127a receives energy from transceiver 15 or 15a (via transmission line 16 or 16a) and provides energy to a corresponding coupler 126a, 126b or 126c, which couples energy by capacitive coupling Coupled to a corresponding resonant unit 120, 120a or 120b.
  • the energy received by the resonant unit 120, 120a or 120b is capacitively coupled via the corresponding coupler 126a, 126b or 126c and provided by the corresponding connection unit 124.
  • the connection to the reference ground plane 140 or 140a is passed to the corresponding transceiver 15 or 15a.
  • transmission line 16 or 16a is a trace on a wire or circuit board.
  • the circuit board 14 and the circuit board 14a can be integrated into one.
  • the transceiver 15 and the transceiver 15a can be integrated into one.
  • the antenna on the metal shell 12 is a non-direct feed (indirect feed) antenna.
  • the electronic device 1 may further include a coupler 126a and a power feeding portion 127. Coupler 126a is electrically isolated from resonant unit 120. The coupler 126a is capacitively coupled to the resonant unit 120. The power feeding unit 127 is connected to the coupler 126a. The coupler 126a is not in direct contact with the resonant unit 120 or the metal shell 12, which reduces the complexity of the antenna design and improves reliability.
  • the antenna on the metal shell 12 adopts an indirect or indirect feeding technique, which can effectively expand the bandwidth of the antenna.
  • Resonant unit 120 can be used to form the desired current path to produce the desired resonant frequency.
  • the lower housing 122 includes a recess 1221 that is recessed inwardly from the side 12c.
  • the connecting unit 124 is coupled to the lower case 122.
  • the resonant unit 120 includes a length (generally the length of the current path 2a) that is substantially equal to a multiple or an odd multiple of a wavelength of a quarter of the low frequency radiation transmitted by the resonant unit 120.
  • the low frequency radiated wave operating frequency is at GSM 900, or lower GSM 850; in some embodiments, resonant unit 120 produces radiation having a frequency less than or equal to 960 MHz, as shown in FIG.
  • the length includes a length 2a-1 of the long lower edge 1232 of the metal plate body 123 between the one end 1231 of the metal plate body 123 closer to the center of the side surface 12c and the connecting unit 124 connecting the lower case 122, and the lower case 122 is connected thereto.
  • the metal plate body 123 may be disposed only on one side 12c of the electronic device 1 when a sufficient current path 2a can be provided.
  • the metal plate bodies 123 extend from a side surface 12c to a corner 128 of the electronic device 1 and are bent to extend to an adjacent side surface 12c connecting the corners 128, thereby providing a sufficiently long current path. 2a.
  • the electronic device 1 includes a metal plate body 123a.
  • the metal plate body 123a may be located on at least one side 12c of the electronic device 1.
  • the metal plate body 123a is spaced apart from the metal plate body 123 by a space 129 on the side surface 12c provided.
  • the metal plate body 123a may be located between the upper case 121 and the lower case 122, and is separated from the upper case 121 and the lower case 122 by a gap 125a, respectively.
  • the electronic device 1 is generally rectangular, wherein the interval 129 is located on a short side 12c of the electronic device 1.
  • the upper casing 121, the lower casing 122, the metal plate body 123a, and the other connecting unit 124 cooperate to form a resonating unit 120a.
  • the coupler 126b is coupled to the feed portion 127 and electrically isolated from the resonant unit 120a and capacitively coupled to the resonant unit 120a.
  • the coupler 126b is not in direct contact with the resonant unit 120a or the metal shell 12, which reduces the complexity of the antenna design and improves reliability.
  • the antenna on the metal shell 12 adopts an indirect or indirect feeding technique, which can effectively expand the bandwidth of the antenna.
  • the resonant unit 120a can generate higher frequency radiated waves, such as radiation waves above 1.71 GHz, as shown in FIG.
  • a connecting unit 124 is disposed in the gap 125a to connect the metal plate body 123a with the upper case 121.
  • two connection units 124 are disposed in the gap 125a, and the two connection units 124 respectively connect the metal plate body 123a and the upper case 121 and the connection metal plate body 123a and the lower case 121.
  • the upper housing 121 includes a recess 1211 that is recessed inwardly from the side 12c.
  • the resonance unit 120a includes a length (generally the length of the current path 2b) which is approximately equal to a multiple or an odd multiple of a wavelength of a quarter of the high frequency radiation wave transmitted by the resonance unit 120a.
  • This length includes the length 2b-1 of the upper long edge of the metal plate body 123a and the length 2b-2 of the connecting unit 124 on the metal plate body 123a from the one end 1231a near the center of the side surface 12c to the connection unit 124.
  • the metal plate body 123a may be disposed only on one side 12c of the electronic device 1 when a sufficient current path 2b can be provided.
  • the metal plate bodies 123a extend from one side surface 12c to a corner 128a of the electronic device 1 and are bent and extended. To an adjacent side 12c connecting the corners 128a, thereby providing a sufficiently long current path 2b.
  • only one of the metal plate body 123 and the metal plate body 123a extends over the corner of the electronic device 1. In some embodiments, the metal plate body 123 and the metal plate body 123a extend respectively at different corners of the electronic device 1.
  • the electronic device 1 includes a circuit board 14 , a transceiver 15 , a metal shell 12 , at least one metal plate 123 or 123 a , at least one connecting unit 124 , and a dielectric
  • the material 13 a universal serial bus (USB) circuit 130, a coupler 126b, and a feed unit 127, wherein the coupler 126b is capacitively coupled to the USB circuit 130, and the coupler 126b and the USB circuit 130 are electrically isolated.
  • USB universal serial bus
  • the electronic device 1 includes a metal case of a USB connector
  • the USB circuit 130 includes a ground circuit
  • the reference ground plane 140 of the circuit board 14 connects the metal case of the USB connector with the ground circuit of the USB circuit 130.
  • Coupler 126b can excite a resonant or current path 2f
  • the current path 2f may be partially located on the circuit board 14 and partially located in the USB circuit 130.
  • the length of the current path 2f is substantially equal to a multiple or an odd multiple of a wavelength of a quarter of the second high frequency radiation wave transmitted by the USB circuit 130.
  • USB circuit 130 can excite radiation waves having a frequency of about 1.71 GHz, as shown in FIG.
  • the electronic device 1 includes a USB plug interface 131 in which the universal serial bus circuit 130 extends toward the plug interface 131.
  • the universal serial bus circuit 130 can function as a parasitic element of the antenna system 10a including the resonant unit 120 and the resonant unit 120a.
  • the parasitic unit resonates in a high frequency operating frequency band, such as 1.71 GHz.
  • coupler 126a or 126b includes a sheet metal body. In some embodiments, coupler 126a or 126b includes a laser direct structuring layer.
  • the antenna system 10a is disposed at one end of the electronic device 1, and the other opposite end of the electronic device 1 is provided with another antenna system 10b.
  • the electronic device 1 includes a metal plate body 123 b and at least one connecting unit 124 .
  • the metal plate body 123b is provided on the other side surface 12c of the electronic device 1.
  • the metal plate body 123b is located between the upper casing 121 and the lower casing 122, and is separated from the upper casing 121 and the lower casing 122 by a gap 125b.
  • the connecting unit 124 is located in the gap 125b and connects the metal plate body 123b and the upper casing 121.
  • the dielectric material 13 is filled in the gap 125b.
  • the upper casing 121, the lower casing 122, the metal plate body 123b, and the connecting unit 124 cooperate to form the resonance unit 120b of the other antenna system 10b.
  • the electronic device 1 may further include a coupler 126c and a power feeding portion 127a. Coupler 126c is electrically isolated from resonant unit 120b. The coupler 126c is capacitively coupled to the resonant unit 120b. The power feeding unit 127a is connected to the coupler 126c. The coupler 126c is not in direct contact with the resonant unit 120b or the metal shell 12, which reduces the complexity of the antenna design and improves reliability. In addition, the antenna on the metal shell 12 adopts an indirect or indirect feeding technique, which can effectively expand the bandwidth of the antenna.
  • Resonant cell 120b can be used to form the desired current path to produce the desired resonant frequency.
  • the lower housing 122 includes a recess 1222.
  • Resonant unit 120b includes a length (generally the length of current path 2c). The length is substantially equal to a multiple or an odd multiple of a wavelength of one quarter of the high frequency radiation wave transmitted by the resonance unit 120b.
  • the frequency of the high frequency radiation wave comprises a GPS frequency, as shown in FIG.
  • the length includes the length 2c-1 of the lower long edge of the metal plate body 123b between the portion extending in the vertical direction in the gap 125b and the concave portion 1222, the length 2c-2 of one end of the metal plate body 123b, and the length 2c-2 of the connecting unit 124. 3 and an edge length 2c-4 of the upper casing 121 above the gap 125b extending in the vertical direction.
  • the upper housing 121 includes a recess 1223.
  • Resonant unit 120b includes another length (generally the length of current path 2d).
  • the other length is a multiple or an odd multiple of a wavelength of a quarter of a radiation wave transmitted by the resonant unit 120b.
  • the radiation wave comprises WIFI 802.11b/g/n low frequency radiation, such as 2.4 GHz WIFI radiation, as shown in FIG.
  • the other length includes the length 2d-1 of the connecting unit 124, the length 2d-2 of the upper long edge of the metal plate body 123c adjacent to the gap 125b between the recess 1223 and the connecting unit 124, and the length of the edge of the partial upper casing 121, and the like. 2d-3.
  • the lower housing 122 includes a recess 1222.
  • Resonant unit 120b includes A length (generally the length of the current path 2e).
  • the further length is a multiple or an odd multiple of a wavelength of a quarter of a radiation wave transmitted by the resonant unit 120b.
  • the radiation wave comprises WIFI 802.11a/h/j high frequency radiation, such as 5.5 GHz WIFI radiation, as shown in FIG.
  • the further length includes a length 2e-1 of the edge of the recess 1222, and an edge length 2e-2 of the lower casing 122 between the recess 1222 and the gap 125 extending in the vertical direction.
  • the metal shell 12 includes two side plates 133.
  • the lower case 122 and the upper case 121 extend from the two sides of the lower case 122 to the upper case 121 by the two side plates 133, respectively, to achieve partial connection.
  • the two side panels 133 extend from the sides of the upper housing 121 to the lower housing 122, respectively, to achieve partial connection.
  • connection unit 124 of the resonance unit 120 moves toward the center of the electronic device 1 (as indicated by the arrow A), the resonance unit 120 Will produce lower frequency radiation waves. Therefore, adjusting the position of the connecting unit can obtain a radiation wave of a desired frequency.
  • the electronic device includes a metal shell.
  • a portion of the metal shell is used as an antenna. Direct use of the metal shell portion as an antenna simplifies the design and manufacture of electronic devices. Direct use of the metal shell portion as an antenna makes it easier for electronic devices to achieve the goal of using a full metal shell.
  • the electronic device includes an upper housing, a lower housing, and a metal plate body.
  • the metal plate body is located on one side of the electronic device.
  • the metal plate body is separated from the upper case.
  • the metal plate body is separated from the lower case.
  • the metal plate body and the upper case and/or the metal plate body and the lower case are connected by a connecting unit to form an antenna resonating unit.
  • connection unit is utilized to cause the antenna resonating unit to include a multiple of a quarter wavelength or an odd multiple of a transmittable radiation wave to produce resonance.
  • the main antenna, the GPS antenna, and the WIFI antenna are exemplified, but are not limited thereto.
  • other antennas such as MIMO are also included in the present invention.
  • the antenna resonating unit is directly electrically connected to the metal shell of the ground plane, so that static electricity can be effectively eliminated, thereby effectively protecting the electronic device.
  • the power is coupled to the metal shell in an indirect feed mode, which eliminates the need to consider how the antenna feed point contacts the metal shell, improving design convenience. Coupling power to the metal shell in an indirect feed mode and avoiding performance problems due to poor contact during production. In addition, using the indirect feed method, the bandwidth can be increased in the same antenna environment.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

本发明涉及一种电子装置，其包括一内部电路及一表面结构。内部电路包括一电路板、一馈电部及一耦合器。表面结构包括一矩形的显示器、一金属壳、一长形金属板体、一连接单元、一谐振单元及一介电质材料。电路板上设有一参考地平面及一收发器。馈电部电连接收发器。耦合器电连接馈电部。矩形显示器位于电子装置顶面。金属壳电连接电路板参考地平面形成一个整体参考地。长形金属板体位于电子装置一侧面且与金属壳的边缘以一间隙相隔离。连接单元位于间隙内并连接长形金属板体与金属壳。谐振单元包括相连接的长形金属板体的边缘一部分、连接单元及金属壳的边缘一部分。谐振单元与耦合器隔离。耦合器电容耦合到谐振单元。介电质材料填充间隙。

Description

电子装置 技术领域
本发明涉及一种具有天线结构的电子装置。
背景技术
美国专利US8270914公开了一种器件的侧壁结构，该侧壁结构可使用导电材料实施，并可以实质上围绕显示器的矩形周边的导电环部件来实施。侧壁结构可充当将显示器固持至器件的正面的边框。侧壁结构有时可称为边框结构或边框。边框在器件及显示器的矩形周边周围延伸。
边框可具备一个或多个间隙。间隙沿器件及显示器的外壳的周边置放，且因此有时称作周边间隙。间隙分开边框(亦即，在间隙中通常不存在边框的导电部分)。边框及间隙(及其相关联的塑料填充剂结构)可形成器件中的一个或多个天线的部分。边框的部分及间隙可结合内部导电结构而形成一个或多个回圈天线。内部导电结构可包括印刷电路板结构、框架部件或其他支撑结构，或其他适当的导电结构，其中导电结构可经由接地天线馈入端子及正天线馈入端子耦接射频收发器来馈入。
当天线的馈入端不位于间隙附近时，可增强间隙附近的射频天线信号的电场强度，但若使用者将手指放置于间隙附近，会干扰天线的操作。
美国专利US8270914的器件只有边框为金属，然而在电子产品频频追求具有设计质感的外观设计下，往往希望将其外壳以金属材料制成，但因为金属的屏蔽作用，导致天线的辐射能量无法顺利传播出去。因此，在电子产品上运用一个全金属外壳是业界仍需努力的课题。
发明内容
根据上述问题，本发明的目的在于对应地提出新的具有天线的电子装置。
为了达到上述目的，本发明所采用的技术方案为提供一种电子装置，其包括一内部电路及一表面结构。内部电路包括一电路板、一馈电部及一耦合器。表面结构包括一矩形的显示器、一金属壳、一长形金属板体、一连接单元、一谐振单元及一介电质材料。电路板上设有一参考地平面及一收发器。馈电部电连接收发器。耦合器电连接馈电部。矩形的显示器位于电子装置的顶面。金属壳电连接电路板的参考地平面，形成一个整体的参考地。长形金属板体位于电子装置的一侧面，且与金属壳的边缘以一间隙相隔离。连接单元位于间隙内，并连接长形金属板体与金属壳。谐振单元包括相连接的长形金属板体的边缘一部分、连接单元及金属壳的边缘一部分。谐振单元与耦合器隔离。耦合器电容耦合到谐振单元。介电质材料填充间隙。
优选地，其中所述金属壳包括一下壳体，位于该电子装置的底面，其中该下壳体电连接该电路板的该参考地平面。
优选地，其中所述金属壳包括一位于该电子装置顶面的上壳体与一位于该电子装置底面的下壳体，其中该下壳体电连接该电路板的该参考地平面，该下壳体与该上壳体部分连接，该长形金属板体位于该上壳体与该下壳体之间，及该连接单元连接该长形金属板体与该上壳体或连接该长形金属板体与该下壳体。
优选地，其中所述下壳体与该上壳体以两个侧板分别由该下壳体的两侧延伸至该上壳体达到部分连接。
优选地，其中所述长形金属板体延伸至该电子装置的一角落，并弯折延伸至连接该角落的一相邻侧面。
优选地，其中所述谐振单元包含一长度，该长度为该谐振单元传递的一辐射波的四分之一波长的倍数。
优选地，其中所述谐振单元的长度为该谐振单元传递的一辐射波的四分之一波长的奇数倍。
优选地，其中所述馈电部接收来自该收发器的能量，且将该能量提供给该耦合器，该耦合器通过电容耦合把该能量耦合到该谐振单元。
优选地，其中当能量由该谐振单元接收时，由该谐振单元接收到的该能量经由该耦合器通过电容耦合及由该连接单元提供的到该参考地平面的连接传递到该收发器。
优选地，其中进一步包括一通用串列汇流排电路，该耦合器与该通用串列汇流排电路隔离，其中该耦合器电容耦合该通用串列汇流排电路。
优选地，其中所述电子装置包括一通用串列汇流排连接器的金属壳，该通用串列汇流排电路包括一接地电路，该电路板的该参考地平面连接该通用串列汇流排连接器的金属壳与该通用串列汇流排电路的接地电路。
优选地，其中所述耦合器包括激光直接成型层。
本发明的有益效果为：电子装置可使用全金属壳而不会有被屏蔽的状况发生；使用连接单元连接金属板体与上壳体及/或连接金属板体与下壳体，以形成天线谐振单元；调整连接单元的位置可得到所需频率的辐射波；以非直接馈电方式耦合能量于金属壳，可不需考虑天线馈点如何与金属壳接触，提高设计的便利性；以非直接馈电方式耦合能量于金属壳并且可避免生产过程中由于接触不良而引起的天线性能不良问题。使用非直接馈电方法，可以在相同的天线环境下提高频宽。
附图说明
图1为本发明一实施例的电子装置的示意图。
图2为本发明一实施例的电子装置的另一示意图。
图3为本发明一实施例的电子装置的分解示意图。
图4为本发明一实施例的电子装置的另一分解示意图。
图5为本发明一实施例的天线系统的示意图。
图6为本发明一实施例的天线系统的另一示意图。
图7为本发明一实施例的耦合器与馈电部的示意图。
图8为本发明一实施例的耦合器与馈电部的另一示意图。
图9为本发明一实施例的通用串列汇流排电路的示意图。
图10为本发明一实施例的另一天线系统的示意图。
图11为本发明一实施例的另一天线系统的耦合器与馈电部的示意图。
图12为本发明一实施例的谐振图。
图13为本发明另一实施例的谐振图。
图14为本发明另一实施例的谐振图。
图15为本发明另一实施例的谐振图。
主要部件符号说明：
1   装置
1a 表面结构
1b 内部电路
2a、2b、2c、2d、2e、2f 电流路径
2a-1、2a-2、2a-3、2a-4 长度
2b-1、2b-2 长度
2c-1、2c-2、2c-3、2c-4 长度
2d-1、2d-2、2d-3 长度
2e-1、2e-2 长度
5、5a、5b、5c 导电路径
10a、10b 天线系统
11  矩形的显示器
12  金属壳
12a 正面
12b 背面
12c 侧面
13  介电质材料
14、14a 电路板
15、15a 收发器
16、16a 传输线
120、120a、120b 谐振单元
121 上壳体
122 下壳体
123、123a、123b、123c 金属板体
124 连接单元
125、125a、125b 间隙
126a、126b、126c 耦合器
127、127a 馈电部
128、128a 角落
129 间隔
130 通用串列汇流排电路
131 USB插接口
133 侧板
140、140a 参考地平面
1211、1221、1222、1223 凹部
1224 边缘
1231、1231a 末端
1232  长下边缘
12211 侧边缘
A     箭头。
具体实施方式
参照图1与图2所示，在至少一些实施例中，电子装置1包括无线通信电路，该无线通信电路可支持至少一无线通信频带中的无线通信，该无线通信电路可包括一个或多个天线。
在至少一些实施例中，电子装置1可为膝上型电脑或携带型电脑、迷你笔记型电脑及平板电脑等的小型携带型电脑。电子装置1亦可为更小一些的电子装置，例如：腕表电子装置、垂饰电子装置、头戴式电子装置及耳机电子装置、或其他可佩戴且微型的电子装置。在至少一些实施例中，电子装置1可为手持式电子装置，例如：手机、具有无线通信能力的媒体播放器、手持式电脑(有时亦称作个人数字助理)、遥控器、全球定位系统(GPS)电子装置、或手持式游戏电子装置。
在至少一些实施例中，电子装置1支持高频通讯，例如：高于1GHz。在一些实施例中，电子装置1支持1700MHz至2700MHz。在至少一些实施例中，电子装置1支持较低频率通讯，例如：低于1GHz。
参照图1所示，电子装置1可大体上为矩形，其可包括顶面、底面及多个侧面。侧面可与顶面或底面垂直，但本发明不以此为限。参照图1至图11所示，电子装置1包括一表面结构1a和一内部电路1b。表面结构1a包括矩形的显示器11、金属壳12、至少一长 形金属板体123、123a或123b、至少一连接单元124、一谐振单元120、120a或120b及一介电质材料13。内部电路1b包括至少一电路板14或14a、至少一馈电部127或127a及至少一耦合器126a、126b或126c。
矩形的显示器11位于电子装置1的顶面。矩形的显示器11可为具有电容性触控电极的触控式显示器。矩形的显示器11可包括由发光二极管(LED)、有机LED(OLED)、电浆单元、电子墨水元件、液晶显示(LCD)组件、或其他适当影像像素结构形成的影像像素。电子装置1可包括防护玻璃罩部件，而防护玻璃罩部件可覆盖矩形的显示器11的表面。
金属板体123、123a或123b位于电子装置1的一侧。金属板体123、123a或123b与金属壳12的边缘以对应的间隙125、125a或125b相隔离。
连接单元124位于对应的间隙125、125a或125b内，并连接金属壳12与对应的金属板体123、123a或123b。
谐振单元120、120a或120b包括相连接的金属板体123、123a或123b的边缘一部分、对应的连接单元124及金属壳12的边缘一部分。谐振单元120、120a或120b与对应的耦合器126a、126b或126c隔离。耦合器126a、126b或126c电容耦合到对应的谐振单元120、120a或120b。
介电质材料13填充间隙125、125a或125b。在一些实施例中，介电质材料13可以是塑料、玻璃或蓝宝石，但本发明不以此为限。
内部电路1b的电路板14或14a上设有一参考地平面140或140a及收发器15或15a。金属壳12电连接内部电路1b的电路板14或14a的参考地平面140或140a，形成一个整体的参考地。
馈电部127或127a电连接对应的收发器15或15a。耦合器126a、126b或126c电连接对应的馈电部127或127a。馈电部127或127a提供允许对应的谐振单元120、120a或120b发射能量(信号)的一输入。耦合器126a、126b或126c不直接与对应的谐振单元120、120a或120b或金属壳12接触，可减少天线设计的复杂性及可提高可靠性。此外，金属壳12上的天线采用非直接或间接馈入技术，可有效地拓展天线的带宽。
在一些实施例中，金属壳12包括一下壳体122。下壳体122位于电子装置1的底面。在一些实施例中，连接单元124连接下壳体122与对应的金属板体123、123a或123b。
在一些实施例中，金属壳12包括一上壳体121及一下壳体122。上壳体121位于电子装置1的顶面。下壳体122位于电子装置1的底面。下壳体122电连接前述的参考地平面140或140a。下壳体122与上壳体121部分连接。金属板体123、123a或123b位于上壳体121与下壳体122之间。连接单元124连接对应的金属板体123、123a或123b与上壳体121，或者连接单元124连接对应的金属板体123、123a或123b与下壳体122。
金属壳12的部分可用作天线。在一些实施例中，金属壳12的至少一角落用作天线。在一些实施例中，金属壳12上非角落处可用作天线。参照图1至图6、图10所示，在一 些实施例中，金属壳12、金属板体123、123a或123b及对应的连接单元124配合形成导电路径5、5a、5b或5c，其中导电路径5、5a、5b或5c通过连接单元124，而且电流路径2a、2b、2c或2d位于导电路径上。
参照图7与图11所示，馈电部127或127a经由传输线16或16a连接收发器15或15a。馈电部127或127a可包括电路元件，电路元件可以是提供收发器15或15a与耦合器126a、126b或126c之间的较好阻抗匹配的一个或多个元件。馈电部127或127a经由传输线16或16a与对应的收发器15或15a电气通讯，并延伸连接对应的耦合器126a、126b或126c。馈电部127或127a可由任一恰当导电元件构成且在一实施例中可具有大概50欧姆的一阻抗。馈电部127或127a接收来自收发器15或15a的能量(经由传输线16或16a)，且将能量提供给对应的耦合器126a、126b或126c，耦合器126a、126b或126c通过电容耦合把能量耦合到对应的谐振单元120、120a或120b。同样，当能量正在由谐振单元120、120a或120b接收时，由谐振单元120、120a或120b接收到的能量经由对应的耦合器126a、126b或126c通过电容耦合及由对应的连接单元124提供的到参考地平面140或140a的连接传递到对应的收发器15或15a。在一些实施例中，传输线16或16a为电线或电路板上的迹线(trace)。在一些实施例中，电路板14及电路板14a可整合为一个。在一些实施例中，收发器15及收发器15a可整合为一个。
参照图3至图8所示，在一些实施例中，金属壳12上的天线为非直接馈入(间接馈入)天线。参照图5至图8所示，上壳体121、下壳体122、金属板体123和间隙125配合形成一谐振单元120。电子装置1可进一步包括耦合器126a及馈电部127。耦合器126a与谐振单元120电气隔离。耦合器126a电容性地耦接谐振单元120。馈电部127连接耦合器126a。耦合器126a不直接与谐振单元120或金属壳12接触，可减少天线设计的复杂性及可提高可靠性。此外，金属壳12上的天线采用非直接或间接馈入技术，可有效地拓展天线的带宽。
谐振单元120可用于形成所需的电流路径，以产生所需的谐振频率。参照图5、图6与图12所示，在一些实施例中，下壳体122包括一凹部1221，凹部1221从侧面12c向内凹入。连接单元124连接着下壳体122。谐振单元120包含一长度(大体上为电流路径2a的长度)，该长度大体上等于谐振单元120所传递的低频辐射波的四分之一的波长的倍数或奇数倍。在一些实施例中，该低频辐射波工作频率在GSM900，或更低的GSM850；在一些实施例中，谐振单元120产生频率小于等于960MHz的辐射，如图12所示。该长度包含金属板体123上较靠近侧面12c中央的一末端1231与连接下壳体122的连接单元124间的金属板体123的长下边缘1232的长度2a-1、连接着下壳体122的连接单元124的长度2a-2、在间隙125旁且位于连接单元124与凹部1221之间的下壳体122的边缘1224的长度2a-3及凹部1221的侧边缘12211的长度2a-4。
在一些实施例中，当能提供足够的电流路径2a时，金属板体123可仅设置在电子装置1的一侧面12c。当金属板体123仅设置在电子装置1的一侧面12c，而无法提供足够 长的电流路径2a时，金属板体123一起从一侧面12c延伸至电子装置1的一角落128，并弯折延伸至连接该角落128的一相邻侧面12c，由此提供足够长的电流路径2a。
参照图5与图6所示，电子装置1包括金属板体123a。金属板体123a可位于电子装置1的至少一侧面12c上。金属板体123a在其所设置的侧面12c上与上述金属板体123相隔一间隔129。金属板体123a可位于上壳体121与下壳体122之间，并以一间隙125a分别和上壳体121与下壳体122相隔离。在一些实施例中，电子装置1大体为矩形，其中该间隔129位于电子装置1的一短侧面12c。
参照图3至图8所示，上壳体121、下壳体122、金属板体123a和另一连接单元124配合形成一谐振单元120a。耦合器126b连接馈电部127，并与谐振单元120a电气隔离，且电容性地耦接谐振单元120a。耦合器126b不直接与谐振单元120a或金属壳12接触，可减少天线设计的复杂性及可提高可靠性。此外，金属壳12上的天线采用非直接或间接馈入技术，可有效地拓展天线的带宽。
在一些实施例中，谐振单元120a可产生较高频的辐射波，例如：高于1.71GHz的辐射波，如图12所示。
参照图6所示，在一些实施例中，一连接单元124设置在间隙125a内，连接金属板体123a与上壳体121。在一些实施例中，两个连接单元124设置在间隙125a，两个连接单元124分别连接金属板体123a与上壳体121和连接金属板体123a与下壳体121。
参照图5、图6与图12所示，在一些实施例中，上壳体121包括一凹部1211，凹部1211从侧面12c向内凹入。谐振单元120a包含一长度(大体上为电流路径2b的长度)，该长度约略等于谐振单元120a所传递的高频辐射波的四分之一的波长的倍数或奇数倍。该长度包含在金属板体123a上靠近侧面12c中央的一末端1231a至连接单元124为止的金属板体123a的上长边缘的长度2b-1及连接单元124的长度2b-2。
在一些实施例中，当能提供足够的电流路径2b时，金属板体123a可仅设置在电子装置1的一侧面12c。当金属板体123a仅设置在电子装置1的一侧面12c，但无法提供足够长的电流路径2b时，金属板体123a一起从一侧面12c延伸至电子装置1的一角落128a，并弯折延伸至连接该角落128a的一相邻侧面12c，由此提供足够长的电流路径2b。
在一些实施例中，金属板体123与金属板体123a中仅一者在电子装置1的角落上延伸。在一些实施例中，金属板体123与金属板体123a分别在电子装置1的不同角落上延伸。
参照图3、图9所示，在一些实施例中，电子装置1包括电路板14、收发器15、金属壳12、至少一金属板体123或123a、至少一连接单元124、一介电质材料13、一通用串列汇流排(USB)电路130、耦合器126b及一馈电部127，其中耦合器126b电容性耦接USB电路130，耦合器126b和USB电路130电气隔离。在一些实施例中，电子装置1包括USB连接器的金属壳，USB电路130包括接地电路，电路板14的参考地平面140连接USB连接器的金属壳与USB电路130的接地电路。耦合器126b可激发出谐振或电流路径 2f，电流路径2f可部分位于电路板14，而部分位于USB电路130。电流路径2f的长度大体上等于USB电路130所传递的第二高频辐射波的四分之一的波长的倍数或奇数倍。在一些实施例中，USB电路130可激发出频率(frequency)约为1.71GHz的辐射波，如图12所示。在一些实施例中，电子装置1包括一USB插接口131，其中通用串列汇流排电路130往插接口131延伸。在一些实施例中，通用串列汇流排电路130可作为包括谐振单元120与谐振单元120a的天线系统10a的寄生单元。在一些实施例中，该寄生单元在高频工作频段谐振，如1.71GHz。
参照图7与图8所示，在一些实施例中，耦合器126a或126b包括一金属片体。在一些实施例中，耦合器126a或126b包括激光直接成型(laser direct structuring)层。
参照图1所示，在一些实施例中，天线系统10a设置在电子装置1的一端部，而电子装置1的另一相对端部设置另一天线系统10b。
参照图1、图2、图10与图11所示，电子装置1包括一金属板体123b及至少一连接单元124。金属板体123b设置在电子装置1的另一侧面12c。金属板体123b位于上壳体121与下壳体122之间，并以一间隙125b分别和上壳体121与下壳体122相隔离。连接单元124位于间隙125b内，并连接金属板体123b与上壳体121。介电质材料13填充于间隙125b。上壳体121、下壳体122、金属板体123b和连接单元124配合形成另一天线系统10b的谐振单元120b。电子装置1可进一步包括耦合器126c及馈电部127a。耦合器126c与谐振单元120b电气隔离。耦合器126c电容性地耦接谐振单元120b。馈电部127a连接耦合器126c。耦合器126c不直接与谐振单元120b或金属壳12接触，可减少天线设计的复杂性及可提高可靠性。此外，金属壳12上的天线采用非直接或间接馈入技术，可有效地拓展天线的带宽。
谐振单元120b可用于形成所需的电流路径，以产生所需的谐振频率。
参照图4与图10所示，在一些实施例中，下壳体122包括凹部1222。谐振单元120b包含一长度(大体上为电流路径2c的长度)。该长度大体上等于谐振单元120b所传递的高频辐射波的四分之一的波长的倍数或奇数倍。在一些实施例中，该高频辐射波的频率包含GPS频率，如图13所示。该长度包含间隙125b中垂直方向延伸的部分与凹部1222间的金属板体123b的下长边缘的长度2c-1、金属板体123b的一末端的长度2c-2、连接单元124的长度2c-3及在垂直方向延伸的间隙125b的上方的上壳体121的边缘长度2c-4。
在一些实施例中，上壳体121包括凹部1223。谐振单元120b包含另一长度(大体上为电流路径2d的长度)。另一长度为谐振单元120b所传递的一辐射波的四分之一的波长的倍数或奇数倍。在一些实施例中，该辐射波包含WIFI 802.11b/g/n低频辐射，例如：2.4GHz WIFI辐射，如图14所示。该另一长度包含连接单元124的长度2d-1、凹部1223至连接单元124间的间隙125b旁的金属板体123c的上长边缘的长度2d-2和部分上壳体121的边缘等的长度2d-3。
参照图4所示，在一些实施例中，下壳体122包括凹部1222。谐振单元120b包含又 一长度(大体上为电流路径2e的长度)。该又一长度为谐振单元120b所传递的一辐射波的四分之一的波长的倍数或奇数倍。在一些实施例中，该辐射波包含WIFI 802.11a/h/j高频辐射，例如：5.5GHz WIFI辐射，如图14所示。该又一长度包含凹部1222的边缘的长度2e-1、凹部1222至垂直方向延伸的间隙125之间的下壳体122的边缘长度2e-2。
参照图1与图3所示，金属壳12包括两个侧板133。在一些实施例中，下壳体122与上壳体121以两个侧板133分别由下壳体122的两侧延伸至上壳体121，达到部分连接。在一些实施例中，两个侧板133分别由上壳体121的两侧延伸至下壳体122，达到部分连接。
在一些实施例中，在一些实施例中，如图5与图15所示，当谐振单元120的连接单元124往电子装置1的中央处移动时(如箭头A所示方向)，谐振单元120会产生较低频的辐射波。因此，调整连接单元的位置可得到所需频率的辐射波。
在一些实施例中，电子装置包括金属壳。金属壳的部分用作天线。直接使用金属壳的部分作为天线，可简化电子装置的设计制造。直接使用金属壳的部分作为天线可让电子装置更容易达成使用全金属壳的目的。
在一些实施例中，电子装置包括上壳体、下壳体及金属板体。金属板体位于电子装置的一侧面。金属板体与上壳体分离。金属板体与下壳体分离。利用连接单元连接金属板体与上壳体及/或连接金属板体与下壳体，以形成天线谐振单元。
在一些实施例中，利用连接单元，使天线谐振单元包含可传递的一辐射波的四分之一波长的倍数或奇数倍的长度，从而产生谐振。一些实施例中，上述以主天线、GPS天线及WIFI天线为例，但不限于此，例如：MIMO等其他天线亦包含于本发明。
在一些实施例中，天线谐振单元直接为电连接参考地平面的金属壳，如此可有效消除静电，从而有效保护电子设备。
在一些实施例中，以非直接馈电方式耦合功率于金属壳，可不需考虑天线馈点如何与金属壳接触，提高设计的便利性。以非直接馈电方式耦合功率于金属壳并可避免生产过程中由于接触不良而引起的性能问题。此外，使用非直接馈电方法，可以在相同的天线环境下提高频宽。
本发明的技术内容及技术特点已揭示如上，然而本领域技术人员仍可能基于本发明的教示及揭示而作种种不背离本发明精神的替换及修饰。因此，本发明的保护范围应不限于实施例所揭示内容，而应包括各种不背离本发明的替换及修饰，并为所附的权利要求书所列的权利范围所涵盖。

Claims (12)

  1. 一种电子装置，所述电子装置包括：
    一内部电路，所述内部电路包括：
    一电路板，所述电路板上设有一参考地平面及一收发器；
    一馈电部，所述馈电部电连接该收发器；及
    一耦合器，所述耦合器电连接该馈电部；以及
    一表面结构，所述表面结构包括：
    一矩形的显示器，所述矩形的显示器位于该电子装置的顶面；
    一金属壳，所述金属壳电连接该电路板的该参考地平面；
    一长形金属板体，所述长形金属板体位于该电子装置的一侧面，且与该金属壳的边缘以一间隙相隔离；
    一连接单元，所述连接单元位于该间隙内，并连接该长形金属板体与该金属壳；
    一谐振单元，所述谐振单元包括相连接的该长形金属板体的边缘一部分、该连接单元及该金属壳的边缘一部分，该谐振单元与该耦合器隔离，该耦合器电容耦合到该谐振单元；及
    一介电质材料，所述介电质材料填充该间隙。
  2. 根据权利要求1所述的电子装置，其中所述金属壳包括一下壳体，所述下壳体位于该电子装置的底面，其中该下壳体电连接该电路板的该参考地平面。
  3. 根据权利要求1所述的电子装置，其中所述金属壳包括一位于该电子装置顶面的上壳体与一位于该电子装置底面的下壳体，其中该下壳体电连接该电路板的该参考地平面，该下壳体与该上壳体部分连接，该长形金属板体位于该上壳体与该下壳体之间，及该连接单元连接该长形金属板体与该上壳体或连接该长形金属板体与该下壳体。
  4. 根据权利要求3所述的电子装置，其中所述下壳体与该上壳体以两个侧板分别由该下壳体的两侧延伸至该上壳体达到部分连接。
  5. 根据权利要求1所述的电子装置，其中所述长形金属板体延伸至该电子装置的一角落，并弯折延伸至连接该角落的一相邻侧面。
  6. 根据权利要求1所述的电子装置，其中所述谐振单元包含一长度，该长度为该谐振单元传递的一辐射波的四分之一波长的倍数。
  7. 根据权利要求1所述的电子装置，其中所述谐振单元的长度为该谐振单元传递的一辐射波的四分之一波长的奇数倍。
  8. 根据权利要求1所述的电子装置，其中所述馈电部接收来自该收发器的能量，且将该能量提供给该耦合器，该耦合器通过电容耦合把该能量耦合到该谐振单元。
  9. 根据权利要求1所述的电子装置，其中当能量由该谐振单元接收时，由该谐振单元接收到的该能量经由该耦合器通过电容耦合及由该连接单元提供的到该参考地平面的连接传递到该收发器。
  10. 根据权利要求1所述的电子装置，其中所述电子装置还包括一通用串列汇流排电路，该耦合器与该通用串列汇流排电路隔离，其中该耦合器电容耦合该通用串列汇流排电路。
  11. 根据权利要求10所述的电子装置，其中所述电子装置包括一通用串列汇流排连接器的金属壳，该通用串列汇流排电路包括一接地电路，该电路板的该参考地平面连接该通用串列汇流排连接器的金属壳与该通用串列汇流排电路的接地电路。
  12. 根据权利要求1所述的电子装置，其中所述耦合器包括激光直接成型层。
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TWM512223U (zh) 2015-11-11
US20170264722A1 (en) 2017-09-14
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CN105720366A (zh) 2016-06-29
CN105720366B (zh) 2018-09-11
TWI563725B (en) 2016-12-21

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