WO2009098844A1 - Dispositif terminal portatif - Google Patents

Dispositif terminal portatif Download PDF

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Publication number
WO2009098844A1
WO2009098844A1 PCT/JP2009/000312 JP2009000312W WO2009098844A1 WO 2009098844 A1 WO2009098844 A1 WO 2009098844A1 JP 2009000312 W JP2009000312 W JP 2009000312W WO 2009098844 A1 WO2009098844 A1 WO 2009098844A1
Authority
WO
WIPO (PCT)
Prior art keywords
waterproof
sided tape
wiring board
waterproof double
double
Prior art date
Application number
PCT/JP2009/000312
Other languages
English (en)
Japanese (ja)
Inventor
Shinya Aoyama
Toshihiro Sakatsume
Suguru Suzuki
Original Assignee
Panasonic Corporation
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 Panasonic Corporation filed Critical Panasonic Corporation
Publication of WO2009098844A1 publication Critical patent/WO2009098844A1/fr

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Classifications

    • 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
    • H04M1/0277—Details of the structure or mounting of specific components for a printed circuit board assembly
    • 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
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/14—Structural association of two or more printed circuits
    • H05K1/147—Structural association of two or more printed circuits at least one of the printed circuits being bent or folded, e.g. by using a flexible printed circuit
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings
    • H05K5/069—Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
    • 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
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/01—Tools for processing; Objects used during processing
    • H05K2203/0191—Using tape or non-metallic foil in a process, e.g. during filling of a hole with conductive paste
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/11—Treatments characterised by their effect, e.g. heating, cooling, roughening
    • H05K2203/1147—Sealing or impregnating, e.g. of pores

Definitions

  • the present invention relates to a portable terminal device, and more particularly to a waterproof cellular phone device with a thin casing.
  • a waterproof method is used to prevent water from entering by sandwiching a rubber annular packing between a pair of housings fitted together.
  • a so-called straight-type waterproof portable wireless device that forms a single housing by fitting a pair of housings, all electronic circuits are contained in a single housing, so this method provides a practical level of waterproofing. I was able to.
  • foldable mobile phone devices have become widespread with the increase in size and functionality of the display screen.
  • Many foldable mobile phone devices have two housings each containing an electronic circuit, and a flexible printed wiring board is provided between the two housings for electrical connection between the electronic circuits in the two housings. It is connected with. For this reason, waterproofing including the part which takes out a flexible printed wiring board out of a housing
  • casing is needed.
  • a cellular phone device is considered in which a flexible printed wiring board is taken out of the housing using a waterproof cap in a part different from the rubber annular packing (see, for example, Patent Document 1).
  • a waterproof cap in a part different from the rubber annular packing (see, for example, Patent Document 1).
  • the manufacturing cost is increased by the provision of the waterproof cap.
  • FIG. 34 shows an exploded perspective view of a housing, packing, and the like so that the waterproof structure of a conventional folding cellular phone device can be seen.
  • the waterproof structure of the conventional folding cellular phone device shown in FIG. 34 includes a pair of housings 80 and 81, a flexible printed wiring board 82, and a pair of packings 83 and 84.
  • FIG. 34 shows an exploded perspective view of a housing, packing, and the like so that the waterproof structure of a conventional folding cellular phone device can be seen.
  • the waterproof structure of the conventional folding cellular phone device shown in FIG. 34 includes a pair of housings 80 and 81, a flexible printed wiring board 82, and a pair of packings 83 and 84.
  • FIG. 35 shows a portion of the flexible printed wiring board 82 sandwiched from above and below by the pair of packings 83 and 84 in a state where the pair of housings 80 and 81 are fitted to form a single housing. Sectional drawing of the width direction is shown.
  • the present invention electrically connects an electronic circuit in a space surrounded by a waterproof wall in the casing and an electronic circuit in another casing while maintaining waterproofness and reducing the thickness of the casing.
  • An object of the present invention is to provide a mobile terminal device such as a foldable mobile phone device that can be connected to the mobile phone.
  • the portable terminal device is a casing, a waterproof wall surrounding a part or the whole of one surface of the casing, and an upper surface of the waterproof wall, and is surrounded by the waterproof wall.
  • the pair of waterproof double-sided tapes includes a first waterproof double-sided tape and a second waterproof double-sided tape
  • the flexible wiring board includes the first waterproof type A configuration having a portion sandwiched between the double-sided tape and the second waterproof double-sided tape is adopted.
  • the flexible wiring board is sandwiched between the first waterproof double-sided tape and the second waterproof double-sided tape in a configuration in which a pair of waterproof double-sided tapes adheres the waterproof wall and the waterproof sheet. Since there is a portion, even if there is a step in the flexible wiring board, the adhesive surfaces of the first waterproof double-sided tape and the second waterproof double-sided tape are in close contact. In addition, since the packing is not pressed by the pair of housings, no reaction force is generated when assembled into one housing, and a strong structure for preventing deformation of the housing is not necessary. For this reason, the electronic circuit in the space surrounded by the waterproof wall in the casing is electrically connected to the electronic circuit in the other casing while maintaining waterproofness and reducing the thickness of the casing. be able to.
  • the first waterproof double-sided tape is attached to the upper surface of the waterproof wall, and the flexible wiring board is attached to the first waterproof double-sided tape.
  • the second waterproof double-sided tape is attached to the first waterproof double-sided tape and the flexible wiring board, and the waterproof sheet is attached to the upper surface of the second waterproof double-sided tape.
  • the space surrounded by the waterproof wall of the housing is sealed with the waterproof sheet.
  • the flexible wiring board is a multilayer flexible wiring board, and the multilayer flexible wiring board is sandwiched between the first waterproof double-sided tape and the second waterproof double-sided tape. In such a portion, the multilayer flexible wiring board is laminated so that the thickness thereof changes stepwise in the width direction.
  • the flexible wiring board is a multilayer flexible wiring board, and the multilayer flexible wiring board is sandwiched between the first waterproof double-sided tape and the second waterproof double-sided tape.
  • the width of the uppermost layer or the lowermost layer is smaller than the width of the adjacent layer, and the width other than the uppermost layer and the lowermost layer is larger than the width of at least one of the two adjacent layers.
  • both or one of the first waterproof double-sided tape and the second waterproof double-sided tape may include the flexible wiring board and the second waterproof double-sided tape.
  • the width of the portion sandwiched between the waterproof double-sided tape is larger than the width of the other portions.
  • both or one of the first waterproof double-sided tape and the second waterproof double-sided tape may include the flexible wiring board and the second waterproof double-sided tape.
  • the width of the portion sandwiched by the waterproof double-sided tape is smaller than the width of the other portions.
  • both or one of the first waterproof double-sided tape and the second waterproof double-sided tape may include the flexible wiring board and the second waterproof double-sided tape.
  • interposed with the waterproofing type double-sided tape is taken.
  • the flexible wiring board includes a portion sandwiched between the first waterproof double-sided tape and the second waterproof double-sided tape and a portion disposed inside the hinge portion.
  • the width of the folded portion disposed between the hinge portion and the hinge portion is smaller than the width of the portion sandwiched between the first waterproof double-sided tape and the second waterproof double-sided tape.
  • the waterproof double-sided tape and flexible wiring board firmly adhere to each other even in a stepped portion where the thickness of the flexible wiring board changes, maintaining waterproofness and reducing the thickness of the housing, It is possible to achieve both an actual connection and a small hinge part.
  • the foldable portable terminal device includes a first housing, a second housing, a waterproof wall surrounding a part or the whole of one surface of the first housing, and the waterproof A waterproof sheet that is attached to the upper surface of the wall and seals the space surrounded by the waterproof wall; a pair of waterproof double-sided tapes that attach the waterproof wall and the waterproof sheet; and the first housing.
  • a flexible wiring board that electrically connects the electronic circuit in the space surrounded by the waterproof wall of the body and the electronic circuit in the second housing, the set of waterproof double-sided tape, A first waterproof double-sided tape and a second waterproof double-sided tape, wherein the flexible wiring board is sandwiched between the first waterproof double-sided tape and the second waterproof double-sided tape.
  • the flexible wiring board is sandwiched between the first waterproof double-sided tape and the second waterproof double-sided tape in a configuration in which a pair of waterproof double-sided tapes adheres the waterproof wall and the waterproof sheet. Since there is a portion, even if there is a step in the flexible wiring board, the adhesive surfaces of the first waterproof double-sided tape and the second waterproof double-sided tape are in close contact. In addition, since the packing is not pressed with a pair of housings, a strong structure is provided to prevent deformation of the first housing without generating a reaction force when the first housing is assembled into one housing. Is not necessary. For this reason, the electronic circuit in the space surrounded by the waterproof wall of the first casing and the electronic circuit in the second casing are realized while maintaining waterproofness and reducing the thickness of the first casing. Can be electrically connected.
  • the flexible wiring board in a configuration in which a pair of waterproof double-sided tapes adheres a waterproof wall and a waterproof sheet, the flexible wiring board includes a first waterproof double-sided tape and a second waterproof double-sided tape. Therefore, even if there is a step between the flexible wiring boards, the adhesive surfaces of the first waterproof double-sided tape and the second waterproof double-sided tape are in close contact with each other. In addition, since the packing is not pressed by the pair of housings, no reaction force is generated when assembled into one housing, and a strong structure for preventing deformation of the housing is not necessary. For this reason, the electronic circuit in the space surrounded by the waterproof wall in the casing is electrically connected to the electronic circuit in the other casing while maintaining waterproofness and reducing the thickness of the casing. be able to.
  • the foldable portable terminal device has a structure in which a pair of waterproof double-sided tapes adheres a waterproof wall and a waterproof sheet, and the flexible wiring board includes the first waterproof double-sided tape and the second waterproof type. Since it has the part pinched
  • the packing is not pressed with a pair of housings, a strong structure is provided to prevent deformation of the first housing without generating a reaction force when the first housing is assembled into one housing. Is not necessary. For this reason, the electronic circuit in the space surrounded by the waterproof wall of the first casing and the electronic circuit in the second casing are realized while maintaining waterproofness and reducing the thickness of the first casing. Can be electrically connected.
  • 1 is an external view of a foldable mobile phone device according to a first embodiment of the present invention.
  • 1 is an external view of a foldable mobile phone device according to a first embodiment of the present invention.
  • 1 is an exploded perspective view of an upper housing of a foldable mobile phone device according to a first embodiment of the present invention.
  • 1 is a plan view of a flexible printed wiring board of a foldable mobile phone device according to a first embodiment of the present invention.
  • Sectional drawing of the flexible printed wiring board of the foldable mobile telephone apparatus of Embodiment 1 of this invention (A) The figure which shows a state when a waterproof type double-sided tape is affixed on the flexible printed wiring board of Embodiment 1 of this invention (b) A waterproof type double-sided tape is attached to the flexible printed wiring board of Embodiment 1 of this invention.
  • the figure which shows the state which affixed (c) The figure which shows the state which affixed the waterproof double-sided tape to the flexible printed wiring board of Embodiment 1 of this invention (d) The flexible printed wiring board of Embodiment 1 of this invention Figure showing a state where waterproof double-sided tape is attached to 1 is an exploded perspective view of an upper housing of a foldable mobile phone device according to a first embodiment of the present invention. 1 is an exploded perspective view of an upper housing of a foldable mobile phone device according to a first embodiment of the present invention.
  • FIG. 1 Figure showing the pasted state
  • 4 is an exploded perspective view of a waterproof double-sided tape and a flexible printed wiring board according to a fourth embodiment of the present invention.
  • FIG. 1 shows an external view of a foldable mobile phone device 100 which is a mobile terminal device according to the first embodiment.
  • the foldable mobile phone device 100 has a hinge portion 5 in which an upper housing 4 having a main display 3 such as a liquid crystal display portion is connected to a lower housing 2 having an operation key 1 such as a dial button. It is connected to open and close freely.
  • FIG. 1 shows a state in which the upper housing 4 of the foldable mobile phone device 100 is opened.
  • FIG. 2 shows an external view when the upper housing 4 of the foldable mobile phone device 100 is closed. Even when the upper housing 4 is closed, the sub-display 6 such as a liquid crystal display can be seen on the surface.
  • FIG. 3 shows an exploded perspective view when the components of the upper casing 4 of the foldable mobile phone device 100 are disassembled.
  • the upper housing 4 is composed of a lower housing 20 and an upper housing 26 in appearance.
  • the lower housing 20 is shown in the lowermost part of the drawing, the upper housing 26 is shown in the uppermost part, and the components housed in both housings are shown in the middle.
  • the lower housing 20 is formed with a hinge hollow projection 20a at the end. Further, around the lower housing 20, a waterproof wall 20b is provided on the surface of the lower housing 20 so as to protrude as a substantially rectangular frame-shaped rib.
  • the waterproof wall 20b may be provided so as to protrude by integral molding of the lower housing 20 and the resin, or may be provided so as to protrude in close contact with the lower housing 20 as a separate part.
  • FIG. 3 shows a display circuit board 21 on the lower housing 20.
  • the display circuit board 21 has the sub-display 6 on the upper side and the main display 3 on the lower side.
  • the display circuit board 21 is provided with a connector 21a on the upper surface.
  • the display circuit board 21 may further include other electronic circuits.
  • the display circuit board 21 is accommodated in a space surrounded by the waterproof wall 20b of the lower housing 20, and is fixed by fixing means (not shown).
  • the shape of the first waterproof double-sided tape 22 is the same as the shape of the upper surface of the waterproof wall 20 b of the lower housing 20.
  • the waterproof double-sided tapes 22 and 24 are cushion materials having a thickness of about 0.2 mm to 0.4 mm, and those having adhesive glue applied to the two front and back surfaces can be used. Further, since the cushion material used for the waterproof double-sided tapes 22 and 24 needs to be impermeable to water, a discontinuous foam type or closed cell type cushion material is preferably used.
  • the flexible printed wiring board 23 which is a flexible wiring board is provided with a terminal portion 23a.
  • the terminal portion 23a is connected to the connector 21a of the display circuit board 21 described above.
  • a first waterproof double-sided tape 22 is attached to the flexible printed wiring board 23.
  • the second waterproof double-sided tape 24 has the same shape as the first waterproof double-sided tape 22 and is opposite to the surface of the flexible printed wiring board 23 to which the first waterproof double-sided tape 22 is attached. Adhere to the surface.
  • the waterproof sheet 25 is a plastic sheet such as a polyurethane film.
  • the waterproof sheet 25 can be a transparent thin plastic sheet.
  • the outer shape of the waterproof sheet 25 is the same as the outer shape of the waterproof double-sided tapes 22 and 24 and the upper surface of the waterproof wall 20b of the lower housing 20.
  • the upper housing 26 is fixed to the lower housing 20 with screws (not shown).
  • the display circuit board 21 is accommodated in a space surrounded by the waterproof wall 20 b of the lower housing 20 and fixed by a fixing means (not shown).
  • the first waterproof double-sided tape 22 is attached to the upper surface of the waterproof wall 20 b of the housing, and the flexible printed wiring board 23 is attached to the first waterproof double-sided tape 22.
  • the terminal 23 a of the flexible printed wiring board 23 is connected to the connector 21 a of the display circuit board 21.
  • a second waterproof double-sided tape 24 is attached on the flexible printed wiring board 23 and the first waterproof double-sided tape 22.
  • the waterproof sheet 25 is further placed on the second waterproof double-sided tape 24. Adhere like a lid with. Thus, the space surrounded by the waterproof wall 20b of the housing is sealed.
  • FIG. 4 shows a plan view of the flexible printed wiring board 23.
  • FIG. 5 is a cross-sectional view taken along the line CC of the flexible printed wiring board 23 of FIG.
  • FIG. 5 shows a structure in which the flexible thin wires 23b, which are conductors, are arranged in a horizontal line and are surrounded by a flexible resin sheet 23c, which is an insulator.
  • FIG. 6 shows a state in which the first waterproof double-sided tape 22 and the second waterproof double-sided tape 24 are attached to the flexible printed wiring board 23.
  • FIG. 6A is a cross-sectional view when the first waterproof double-sided tape 22 and the second waterproof double-sided tape 24 are arranged above and below the flexible printed wiring board 23. The first waterproof double-sided tape 22 and the second waterproof double-sided tape 24 are pressed and adhered to the surface of the flexible printed wiring board 23 from the direction of arrow A or arrow B, respectively.
  • FIG. 6B shows a state where the first waterproof double-sided tape 22 and the second waterproof double-sided tape 24 are attached to the flexible printed wiring board 23.
  • the first waterproof double-sided tape 22 is attached to the waterproof wall 20b of the lower housing 20, the flexible printed wiring board 23 is attached thereon, and the second waterproof double-sided tape 24 is further attached. If it sticks, it can stick like FIG.6 (b).
  • FIG. 6B shows the flexible printed wiring when the upper surface of the waterproof wall 20b of the lower housing 20 (the portion on which the flexible printed wiring board 23 on the surface on which the first waterproof double-sided tape 22 is applied) is flat. A state in which the first waterproof double-sided tape 22 and the second waterproof double-sided tape 24 are attached to the plate 23 is shown.
  • FIG. 6C and FIG. 6D the first waterproof type is shown in the flexible printed wiring board 23 when the upper surface of the waterproof wall 20b of the lower housing 20 is dented. The state which stuck the double-sided tape 22 and the 2nd waterproofing type double-sided tape 24 is shown.
  • FIG. 6C shows a state in which the upper surface of the waterproof wall 20b is shaped to be recessed about half the thickness of the flexible printed wiring board 23.
  • FIG. 6D shows a state in which the upper surface of the waterproof wall 20 b is shaped to be dented to the same extent as the thickness of the flexible printed wiring board 23.
  • the thickness of the flexible printed wiring board 23 and the pair of waterproof double-sided tapes 22 and 24 is drawn large so as to be visible, but the specific thickness of the flexible printed wiring board 23 is 0.
  • the thickness of the waterproof double-sided tapes 22 and 24 is about 0.2 mm to 0.4 mm.
  • the flexible printed wiring board 23 has a certain degree of rigidity. Further, the waterproof double-sided tapes 22 and 24 have almost no rigidity (a cushion material is used).
  • the flexible printed wiring board 23 is sandwiched between a pair of waterproof double-sided tapes 22 and 24 and is deformed when a pressing force is applied, so that the waterproof double-sided tapes 22 and 24 are in close contact with the side surface of the flexible printed wiring board 23.
  • the waterproof double-sided tapes 22 and 24 are also in close contact with the upper surface or the lower surface of the flexible printed wiring board 23. As described above, the flexible printed wiring board 23 is covered with the waterproof double-sided tapes 22 and 24. Since the waterproof double-sided tapes 22 and 24 are in close contact with the flexible printed wiring board 23 including the side surfaces, water can be prevented from entering.
  • the first waterproof double-sided surface is first attached to the flexible printed wiring board 23 using a jig.
  • the tape 22 and the second waterproof double-sided tape 24 may be adhered.
  • FIG. 7 shows a procedure for assembling the upper housing 4 after the first waterproof double-sided tape 22 and the second waterproof double-sided tape 24 are previously attached to the flexible printed wiring board 23.
  • the display circuit board 21 is housed and fixed in the space surrounded by the waterproof wall 20 b of the lower housing 20.
  • the flexible printed wiring board 23 sandwiched between the first waterproof double-sided tape 22 and the second waterproof double-sided tape 24 is connected to the first waterproof double-sided tape 22. It sticks on the upper surface of the lower housing 20 using an adhesive surface.
  • the terminal part 23a of the flexible printed wiring board 23 is connected to the connector 21a of the circuit board 21 for display demonstrated previously.
  • the waterproof sheet 25 is stuck on the upper surface of the second waterproof double-sided tape 24 and sealed.
  • the space surrounded by the waterproof wall 20b of the lower housing 20 becomes a space sealed by the waterproof sheet 25, and the display circuit board 21 housed in the space is waterproofed.
  • the waterproof sheet 25 and the upper housing are used during the manufacturing process, during use of the product, or during maintenance after product sales. Even if 4 is pressed, the polyurethane sheet is freely deformed as the lower housing 20 is deformed. Therefore, the waterproof double-sided tapes 22 and 24 are not easily peeled off, and the waterproof function is maintained.
  • the waterproof sheet 25 is adhered to the upper surface of the second waterproof double-sided tape 24 by the process shown in FIG. 7, and the space surrounded by the waterproof wall 20 b of the upper housing 4 is sealed with the waterproof sheet 25.
  • This state is shown in a perspective view. In this state, the upper housing 26 is fixed to the lower housing 20 and the upper housing 4 is assembled.
  • the waterproof sheet 25 is described as a polyurethane sheet, but the waterproof sheet 25 may be a rigid resin plate (for example, ABS resin) instead of the polyurethane sheet.
  • the waterproof sheet 25 is made of a rigid resin plate
  • the upper housing 4 is placed on a single box made up of the lower housing 20 and the rigid resin sheet waterproof sheet 25, and the lower housing 20 and the upper housing 26. It becomes the structure of the double box which piled up the box which consists of. Therefore, there is an effect that the rigidity of the thinned upper housing 4 is increased.
  • the function of the upper housing 26 can be given to the waterproof sheet 25.
  • the waterproof sheet 25 of a resin plate can be exposed on the surface (without being covered with the upper housing 26). Even when the waterproof sheet 25 of the resin plate is exposed on the surface, the side surface on the upper housing 26 side of the upper housing 4 may be covered with the upper housing 26.
  • the foldable mobile phone device 100 which is the mobile terminal device according to the first embodiment, has a configuration in which a pair of waterproof double-sided tapes 22 and 24 attach the waterproof wall 20b and the waterproof sheet 25 to each other.
  • the flexible printed wiring board 23 which is a flexible wiring board, has a portion sandwiched between the first waterproof double-sided tape 22 and the second waterproof double-sided tape 24, there is a step in the flexible printed wiring board 23.
  • the adhesive surfaces of the first waterproof double-sided tape 22 and the second waterproof double-sided tape 24 are in close contact with each other.
  • the packing is not pressed by the pair of housings, a reaction force is not generated when the upper housing 4 is assembled into one housing, and a strong structure for preventing the deformation of the upper housing 4 is necessary. Absent. For this reason, the electronic circuit and the lower housing in the space (inside the internal unit) surrounded by the waterproof wall 20b in the upper housing 4 while maintaining waterproofness and reducing the thickness of the upper housing 4
  • the electronic circuit in 2 can be electrically connected.
  • the foldable mobile phone device 100 which is a mobile terminal device that can maintain the waterproofness and realize the electrical connection of the wiring while realizing the thinning of the upper housing 4.
  • the foldable mobile phone device according to the second embodiment of the present invention is characterized in that the flexible printed wiring board is multilayered.
  • parts not particularly mentioned are the same as those of the foldable mobile phone device according to the first embodiment.
  • symbol is attached
  • Recent mobile phone devices such as foldable mobile phone devices have been improved in functionality, such as those with a TV broadcast receiving function being put into practical use. For this reason, in order to transmit many received signals to the display means, the number of wires passed through the flexible printed wiring board connecting the first casing and the second casing increases, and the flexible printed wiring board may be multilayered. It is done. When the flexible printed wiring board is multilayered, the thickness of the flexible printed wiring board increases. As the thickness of the flexible printed wiring board increases, the gap 85 on the side surface of the flexible printed wiring board 82 of FIG. 35 already described increases. When the gap 85 becomes large, water easily enters.
  • FIG. 9 shows a plan view of the multilayer flexible printed wiring board 40 of the foldable mobile phone device according to the second embodiment of the present invention.
  • FIG. 9 shows that the flexible printed wiring board 40 having a certain width is bent on one plane.
  • the portion 41 sandwiched between the first waterproof double-sided tape 22 and the second waterproof double-sided tape 24 of the flexible printed wiring board 40 has a flexible thin wire that is a wiring portion of each layer arranged in the center of each layer, Dummy portions are formed on both sides of the portion to change the width of each layer. For this reason, the portion 41 sandwiched between the first waterproof double-sided tape 22 and the second waterproof double-sided tape 24 of the flexible printed wiring board 40 is wider than the other portions.
  • FIG. 10 shows an HH cross-sectional view of a portion 41 sandwiched between the first waterproof double-sided tape 22 and the second waterproof double-sided tape 24 of the flexible printed wiring board 40 of FIG.
  • the flexible printed wiring board 40 is a multilayer (specifically, an example of four layers) flexible printed wiring board.
  • the thickness of the multilayer flexible wiring board is wide at the portion 41 sandwiched between the first waterproof double-sided tape 22 and the second waterproof double-sided tape 24.
  • the layers are stacked so as to change stepwise in the direction. Specifically, as shown in FIG.
  • the wiring portion is arranged in the center in the layer arranged almost in the center in the vertical direction, that is, in the layer 41a in the second stage from the top. There are no wiring parts on the left and right sides of the part, and dummy parts made of only a resin sheet are provided to maximize the width.
  • the multilayer flexible printed wiring board 40 has the maximum width of the layers arranged near the center in the vertical direction.
  • the width is narrowed from the layer arranged near the center to the outside, that is, upward or downward.
  • the third layer 41b from the top like the layer 41a, has the wiring portion arranged at the center, but the width of the left and right dummy portions of the wiring portion is reduced to a second width.
  • the width is For the uppermost layer 40a and the lowermost layer 40b in the vertical direction, although the wiring portion is arranged in the center, the left and right dummy portions of the wiring portion are not provided and the width is set to the minimum width.
  • the change in the width direction of the thickness of the flexible printed wiring board 40 can be reduced.
  • the flexible printed wiring board 40 is not limited to the method of lamination as shown in FIG. 10A.
  • the width of the uppermost layer or the lowermost layer is smaller than the width of adjacent layers, and the uppermost layer and the lowermost layer.
  • the same effect can be obtained by laminating such that the width other than is larger than the width of at least one of the two adjacent layers.
  • the width of the uppermost layer 40a is smaller than the width of the adjacent layer (second layer 41a from the top), and the width of the lowermost layer 40b is adjacent. It is smaller than the width of the layer (the third layer 41b from the top).
  • the width of the second layer 41a from the top which is a layer other than the uppermost layer or the lowermost layer, is at least one of the two adjacent layers (the uppermost layer 40a and the third layer 41b from the top) (in this case) , Both the uppermost layer 40a and the third layer 41b from the top) are wider than the width of the uppermost layer 40a.
  • the width of the third layer 41b from the top which is a layer other than the uppermost layer or the lowermost layer, is at least one of the two adjacent layers (the second layer 41a from the top and the lowermost layer 40b) (the lowermost layer). Larger than the width of 40b).
  • the lamination as shown in FIGS. 10B and 10C may be used.
  • the width of the uppermost layer or the lowermost layer is smaller than the width of the adjacent layer, and the width other than the uppermost layer and the lowermost layer is adjacent.
  • the width of at least one layer is demonstrated.
  • FIG. 11 illustrates a state where a pair of waterproof double-sided tapes 22 and 24 are attached from above and below the multilayer flexible printed wiring board 40 of the foldable mobile phone device according to the second embodiment of the present invention.
  • FIG. 11A shows a cross-sectional view in which a flexible printed wiring board 40 and a pair of waterproof double-sided tapes 22 and 24 are arranged above and below it. Waterproof double-sided tapes 24 and 22 are pressed from the top and bottom of the flexible printed wiring board 40 as indicated by arrows I and J. Then, as shown in FIG. 11B, the waterproof double-sided tape is in close contact with the side surface or the stepped portion of the flexible printed wiring board 40. A gap is not formed on the side surface of the flexible printed wiring board 40, and water can be prevented from entering. The point that the upper surface of the waterproof wall 20b of the lower housing 20 may be dented is the same as in the first embodiment.
  • FIG. 12 shows a procedure in which the flexible printed wiring board 40 according to the second embodiment of the present invention is sandwiched between waterproof double-sided tapes and then attached to the lower housing 20 and sealed with the waterproof sheet 25. Since the procedure is the same as that described in the first embodiment, the description thereof is omitted.
  • the foldable mobile phone device that is the mobile terminal device according to the second embodiment can reduce the change in the width direction of the thickness of the flexible printed wiring board 40 that is the flexible wiring board.
  • the waterproof double-sided tapes 22 and 24 and the flexible printed wiring board 40 are firmly adhered to each other at the step portion where the thickness of the board 40 changes, and the waterproofness is improved. As a result, more wirings can be electrically connected while maintaining waterproofness and reducing the thickness of the upper housing 4.
  • the foldable mobile phone device according to the third embodiment of the present invention is characterized in that the width of the waterproof double-sided tape is particularly wide at the portion (the sandwiching portion or the covering portion) that is in close contact with the flexible printed wiring board 40. .
  • the width of the portion sandwiching the flexible printed wiring board 23 which is a flexible wiring board, between the first waterproof double-sided tape and the second waterproof double-sided tape
  • the width of the second waterproof double-sided tape is larger than the width of the flexible printed circuit board 23 between the first waterproof double-sided tape and the second waterproof double-sided tape. Also try to be big. By widening the width, the adhesion area between the waterproof double-sided tape and the flexible printed wiring board is increased, and the waterproof effect can be enhanced.
  • the reason why the width of the waterproof double-sided tape is not increased except for the portion that is in close contact with the flexible printed wiring board 40 is that if it is increased, the size of the entire folding cellular phone device will be increased accordingly. .
  • the parts not particularly mentioned are the same as those of the foldable mobile phone device according to the first embodiment. Moreover, the same code
  • FIG. 13 shows an exploded perspective view of the waterproof double-sided tapes 52 and 54 and the flexible printed wiring board 23 of the foldable mobile phone device according to the third embodiment of the present invention.
  • the same flexible printed wiring board 23 as in the first embodiment is used, but the areas of the portions 52a and 54a to which the flexible printed wiring board 23 adheres are increased in the pair of waterproof double-sided tapes 52 and 54. is doing. Further, the area of the waterproof wall 20b and the waterproof sheet 25 of the lower housing 20 (not shown) is also increased.
  • FIG. 14 shows a state where the waterproof double-sided tapes 52 and 54 and the flexible printed wiring board 23 of the foldable mobile phone device according to the third embodiment of the present invention are attached together.
  • the length of the waterproof double-sided tape 52a, 54a where the flexible printed wiring board 23 adheres is large.
  • the flexible printed wiring board sandwiched between the waterproof double-sided tapes in such a large area is pressed in this way, no gap is formed on the side surface of the flexible printed wiring board 23, and water can be prevented from entering. Further, even if a gap is generated in part, the possibility of forming a gap penetrating the side surface of the flexible printed wiring board 23 is suppressed to a low level, so that high waterproof performance is realized.
  • the waterproof double-sided tapes 52 and 54 can be thinned, and the waterproofness can be maintained and the electrical connection of the wiring can be achieved.
  • the foldable mobile phone device can be thinned while realizing the above. In addition, there is an effect that positioning for attaching the waterproof double-sided tapes 52 and 54 is easy in the manufacturing process.
  • a square area may be projected as shown in FIG. 14, or a triangular or circular area may be projected. .
  • FIG. 15 is a plan view in which a pair of waterproof double-sided tapes 55 (not shown) and 56 are widened along the side surface of the flexible printed wiring board 23 to increase the area as if they were H-shaped. Indicates.
  • the waterproof double-sided tapes 55 (not shown) and 56 in FIG. 15 are different from those shown in FIG. 13 in which the entire width of the waterproof double-sided tape covering the flexible printed wiring board 23 is uniform.
  • the area where the waterproof double-sided tape 55 (not shown) and 56 are attached along the side surface of the flexible printed wiring board 23 is increased by an area corresponding to 55a (not shown) or 56a.
  • both of the pair of waterproof double-sided tapes 55 and 56 may be provided with a portion having a shape like an H-shape.
  • one (the waterproof double-sided tape 56 in the case of FIG. 17) is provided with an H-shaped portion, and the other (the waterproof double-sided tape 57 in the case of FIG. 17) is widened. It may be a belt. In both cases, the waterproofness is increased by the increase in the area where the waterproof double-sided tape is attached along the side surface of the flexible printed wiring board 23.
  • the foldable mobile phone device which is the mobile terminal device according to the third embodiment, has a large area where the flexible printed wiring board 23 and the pair of waterproof double-sided tapes 52, 54, etc. are in close contact with each other.
  • the waterproof double-sided tapes 52 and 54 and the flexible printed wiring board 23 are firmly adhered to each other at the stepped portion where the thickness of the flexible printed wiring board 23 changes, and the waterproofness is improved. As a result, it is possible to achieve electrical connection of wiring while maintaining waterproofness and realizing the thinning of the upper housing 4.
  • the upper surface of the waterproof wall 20b of the lower housing 20 can be shaped to be dented.
  • the width of the waterproof double-sided tape is narrowed at the portion (the sandwiching portion or the covering portion) that is in close contact with the flexible printed wiring board 23.
  • the width of the portion sandwiching the flexible printed wiring board 23, which is a flexible wiring board, between the first waterproof double-sided tape and the second waterproof double-sided tape is smaller than the width, and the width of the portion sandwiching the flexible printed wiring board 23 between the first waterproof double-sided tape and the second waterproof double-sided tape is larger than the width of the other portions. Also try to be small.
  • the repelling force or restoring force of the waterproof double-sided tape when the repelling force or restoring force of the waterproof double-sided tape is large, the repelling force of the waterproof double-sided tape (repulsive force due to the waterproof double-sided tape that is usually applied to a flat surface being applied to a non-planar part) ) Or restoring force (restoring force that the waterproof double-sided tape is crushed by the flexible printed wiring board 23 to return to the original state) can be suppressed.
  • FIG. 18 is an exploded perspective view of the waterproof double-sided tapes 62 and 64 and the flexible printed wiring board 23 of the foldable mobile phone device according to the fourth embodiment of the present invention.
  • the same flexible printed wiring board 23 as in the first embodiment is used, but the areas of the portions 62a and 64a to which the flexible printed wiring board 23 adheres are reduced in the pair of waterproof double-sided tapes 62 and 64. is doing.
  • the area of the waterproof wall of the lower housing (not shown) is reduced.
  • FIG. 19 shows a state in which the waterproof double-sided tapes 62 and 64 and the flexible printed wiring board 23 of the foldable mobile phone device according to the fourth embodiment of the present invention are bonded together. Since the area of 64a shown in FIG. 19 is small, the length that the waterproof double-sided tapes 62a and 64a are in close contact with the side surface of the flexible printed wiring board 23 is shortened. When the flexible printed wiring board sandwiched between the waterproof double-sided tapes in such a small area is pressed in this way, no gap is formed on the side surface of the flexible printed wiring board 23 and water can be prevented from entering. This is the same as the embodiment.
  • the waterproof double-sided tapes 62, 64 even if the repelling force or restoring force of the waterproof double-sided tapes 62, 64 is large, the waterproof double-sided tapes 62, 64 overlapping the flexible printed wiring board 23 have a small area.
  • the repulsive force or restoring force of 62, 64 is small, and there is an effect that the waterproof double-sided tapes 62, 64 do not lift up due to the repelling force or restoring force over time.
  • the waterproof double-sided tapes 62 and 64 can be thinned, and the foldable mobile phone device can be thinned.
  • FIG. 20 is a plan view of a pair of waterproof double-sided tapes 65 (not shown) and 66 in which the area covering the flexible printed wiring board 23 is reduced to reduce the area.
  • the waterproof double-sided tape 65 (not shown) and 66 in FIG. 20 are cut out only on one side of the waterproof double-sided tape that covers (pinches) the flexible printed wiring board 23 as already shown in FIGS. Unlike the one with a smaller width and a smaller area, both sides of the waterproof double-sided tape are cut away to make the width smaller and the area smaller.
  • notches 65a and 66a may be provided in both sets of waterproof double-sided tape. That is, in the first waterproof double-sided tape 65, the width of the portion where the flexible printed wiring board 23 is sandwiched between the first waterproof double-sided tape 65 and the second waterproof double-sided tape 66 is the rest of the width. The second waterproof double-sided tape 66 is smaller than the width, and the width of the portion where the flexible printed wiring board 23 is sandwiched between the first waterproof double-sided tape 65 and the second waterproof double-sided tape 66 is other than that. You may make it smaller than the width
  • a cutout portion may be provided on one side and the other may be formed in a wide band shape.
  • the waterproof double-sided tape is reduced to the extent that the area of the waterproof double-sided tape that covers the flexible printed wiring board 23 is reduced. The repulsive force or the restoring force is reduced and the waterproof property is increased.
  • a triangle may be cut to narrow the width little by little.
  • a pair of waterproof double-sided tapes 68 (not shown) and 69 are provided, and triangular cutout portions 68a (not shown) and 69a are provided in a portion covering the flexible printed wiring board 23. The top view at the time of narrowing and reducing an area is shown.
  • triangular cutout portions 68a and 69a may be provided on both sets of waterproof double-sided tape. Further, as shown in FIG. 25, a triangular cutout portion 92a may be provided on one end surface on one side, and a triangular cutout portion 94a may be provided on the other end surface on the other. In this case, by overlapping the cutouts alternately, the overlap of the waterproof double-sided tape covering the flexible printed wiring board 23 is reduced, and even if the restoring force of the waterproof double-sided tape is applied, the waterproof printed double-sided tape 23 is protected from the waterproof double-sided tape. The tape is difficult to peel off. As a result, waterproofness becomes high.
  • the foldable mobile phone device that is the mobile terminal device according to the fourth embodiment has the waterproof double-sided tapes 68 and 69 when the repelling force or restoring force of the waterproof double-sided tapes 68 and 69 is large. Therefore, no gap is generated between the side surface of the flexible printed wiring board 23, which is a flexible wiring board, and the waterproof double-sided tapes 68, 69, and the like. Therefore, waterproofness is improved. As a result, it is possible to achieve electrical connection of wiring while maintaining waterproofness and realizing the thinning of the upper housing 4.
  • the upper surface of the waterproof wall 20b of the lower housing 20 can be shaped to be dented.
  • the foldable mobile phone device according to the fifth embodiment of the present invention is characterized in that a slit is provided in a waterproof double-sided tape.
  • FIG. 26 is a plan view of a pair of waterproof double-sided tapes in which the width of the portion covering the flexible printed wiring board (contact portion or sandwiching portion) is reduced and the slit is provided in the center in the width direction to reduce the area.
  • the figure is shown.
  • 27 (a) and 27 (b) show the shapes of waterproof double-sided tapes 95 and 96.
  • the waterproof double-sided tapes 95 and 96 are narrowed like 95a and 96a, respectively, and slits 95b and 96b are provided in the center in the width direction to reduce the area.
  • the width of one waterproof double-sided tape 96 may be narrowed, a slit may be provided, and the other waterproof double-sided tape 97 may be formed in a wide band shape.
  • FIG. 29 shows a plan view of a pair of waterproof double-sided tapes when the width of the portion covering the flexible printed wiring board is widened and a slit is provided at the center in the width direction.
  • 30 (a) and 30 (b) show the shapes of waterproof double-sided tapes 98 and 99.
  • the waterproof double-sided tapes 98 and 99 are wide as 98a and 99a, respectively, and a slit 98b and 99b is provided in the center in the width direction.
  • the number of slits may be one or more.
  • the width of one waterproof double-sided tape 99 may be widened, a slit may be provided, and the other waterproof double-sided tape 97 may be formed in a wide band shape.
  • the width of the waterproof double-sided tape is widened, and the waterproof double-sided tape covering the flexible printed wiring board 23 is provided with a slit,
  • the adhesive area of the waterproof double-sided tape covering the flexible printed wiring board 23 is shown by the width of the waterproof double-sided tape, while the repulsive force or restoring force of the waterproof double-sided tape is reduced to improve adhesion. Since it increases more than the case shown in FIG. 26 thru
  • the upper surface of the waterproof wall 20b of the lower housing 20 can be shaped to be dented.
  • the foldable mobile phone device according to the sixth embodiment of the present invention is characterized in that a foldable flexible printed wiring board is used.
  • a bending type flexible printed wiring board 70 is used as the flexible printed wiring board.
  • the right half portion 70a of the B-shaped portion of the flexible printed wiring board 70 having a B-shape is bent, and as shown in FIG.
  • the overlapped portion becomes two apparent layers.
  • the portion to which the waterproof double-sided tape is attached remains a single layer, and the gap can be made less likely to be formed on the side surface of the flexible printed wiring board by the thin portion.
  • the flexible printed wiring board As the thickness of the flexible printed wiring board is thin, a pair of waterproof double-sided tapes sandwiching the flexible printed wiring board is more closely attached and is difficult to peel off. Furthermore, although the flexible printed wiring board sandwiched between waterproof double-sided tapes is wide, the flexible printed wiring board passing through the hinge part is folded so that the width is reduced to about half. There is an effect that can be compatible.
  • a multilayer flexible printed wiring board can also be used as the flexible printed wiring board 70.
  • the pair of waterproof double-sided tapes sandwiching the flexible printed wiring board 70 at the portion where the waterproof double-sided tape is stuck is more closely attached, and is difficult to peel off.
  • the flexible printed wiring board sandwiched between the waterproof double-sided tapes is wide, but the flexible printed wiring board passing through the hinge portion is folded so that the width is reduced to about half. There is an effect that it is possible to make the part small.
  • the width of the flexible printed wiring board the width of the folded portion disposed inside the hinge portion is sandwiched between the first waterproof double-sided tape and the second waterproof double-sided tape. It becomes smaller than the width of the part.
  • the flexible printed wiring board is bent between a portion sandwiched between the first waterproof double-sided tape and the second waterproof double-sided tape and a portion disposed inside the hinge portion.
  • the foldable mobile phone device which is the mobile terminal device of the sixth embodiment, has a flexible printed circuit board such as the waterproof double-sided tape 22, 24 even at the step portion where the thickness of the flexible printed wiring board 70 changes. It is possible to achieve both the electrical connection of the wiring and the reduction of the hinge portion 5 while the wiring board 70 is firmly adhered, the waterproof property is maintained, and the upper casing 4 is thinned.
  • the flexible printed wiring board 70 of the sixth embodiment is not limited to a single layer, and may be a flexible printed board having a multilayer structure as described in the second embodiment. Further, at this time, as described in the second embodiment, the upper surface of the waterproof wall 20b of the lower housing 20 can be shaped to be dented.
  • the waterproof double-sided tape is not limited to the one described in the first embodiment, and the one described in the third, fourth, and fifth embodiments may be used. it can. The same applies to the corresponding part of the waterproof wall 20b of the lower housing 20.
  • the waterproof housing 20b in the upper housing 4 is maintained while maintaining the waterproof property of the upper housing 4 of the foldable mobile phone device and reducing the thickness of the upper housing 4.
  • the foldable mobile phone device that can electrically connect the electronic circuit in the space surrounded by the electronic circuit and the electronic circuit in the lower housing 2 has been described. The same applies to.
  • the battery lid such as a battery lid (not shown) may be opened by a user during normal use. It is practically preferable to use a conventional rubber packing such as a ring for waterproofing and apply the waterproof structure described in the first to sixth embodiments to the other portions.
  • the foldable mobile phone device of the first to sixth embodiments has been described as a foldable mobile phone device, but the waterproof structure in the upper housing 4 in the first to fifth embodiments is a foldable mobile phone.
  • the present invention can be applied to various mobile terminal devices such as mobile phones such as so-called slide-type mobile phone devices, mobile game devices, and mobile TV receivers.
  • the present invention electrically connects an electronic circuit in a space surrounded by a waterproof wall in an enclosure and an electronic circuit in another enclosure while maintaining waterproofness and reducing the thickness of the enclosure. Therefore, the present invention can be applied to a mobile terminal device such as a foldable mobile phone device.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Mounting Of Printed Circuit Boards And The Like (AREA)

Abstract

L'invention concerne un dispositif terminal portatif mince repliable comportant deux boîtiers recevant chacun des circuits électriques, les parties des boîtiers par lesquelles sont introduites des cartes imprimées souples présentant une étanchéité à l'eau particulièrement efficace. Le dispositif terminal portatif comprend un boîtier (20) duquel fait saillie une paroi (20b) à nervures étanche à l'eau, une carte imprimée souple (23), une feuille (25) étanche à l'eau collée sur la surface supérieure de la paroi étanche à l'eau, et un jeu de bandes double face (22, 24) étanches à l'eau destinées à coller la feuille étanche à l'eau sur le boîtier. La première bande double face (22) étanche à l'eau est collée sur la surface supérieure de la paroi (20b) étanche à l'eau du boîtier (20) ; la carte imprimée souple (23) est collée sur la première bande double face (22) étanche à l'eau ; la deuxième bande double face (24) étanche à l'eau est collée sur la carte imprimée souple (23) de manière à maintenir celle-ci entre les première et deuxième bandes double face (22, 24) étanches à l'eau ; et la feuille (25) étanche à l'eau est collée sur la deuxième bande double face (24) étanche à l'eau de manière à la recouvrir et à obturer hermétiquement l'espace délimité par la paroi (20b) étanche à l'eau.
PCT/JP2009/000312 2008-02-04 2009-01-27 Dispositif terminal portatif WO2009098844A1 (fr)

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Application Number Priority Date Filing Date Title
JP2008-023605 2008-02-04
JP2008023605A JP2009188488A (ja) 2008-02-04 2008-02-04 携帯端末装置

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US11191177B2 (en) 2015-10-02 2021-11-30 Samsung Electronics Co., Ltd. Electronic device including waterproof structure
EP3151524A1 (fr) * 2015-10-02 2017-04-05 Samsung Electronics Co., Ltd. Dispositif électronique incluant une structure étanche
KR20170040082A (ko) * 2015-10-02 2017-04-12 삼성전자주식회사 방수 구조를 포함하는 전자 장치
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US20190041917A1 (en) * 2017-08-04 2019-02-07 Samsung Electronics Co., Ltd. Wearable device and electronic device
CN109388185B (zh) * 2017-08-04 2024-03-08 三星电子株式会社 可穿戴设备和电子设备
WO2021016173A1 (fr) * 2019-07-22 2021-01-28 Sensus Spectrum Llc Circuits flexibles destinés à être utilisés avec des joints dans un équipement électronique et systèmes et compteurs associés
US11510322B2 (en) 2019-07-22 2022-11-22 Sensus Spectrum, Llc Flexible circuits for use with gaskets in electronic equipment and related systems and meters

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