KR20220068039A - Electronic device with radiant heat structure - Google Patents

Abstract

According to an embodiment of the present invention, an electronic device comprises: a housing; a battery disposed in the housing and having a first surface facing in a first direction and a second surface facing in a second direction opposite to the first direction; an adhesive layer for allowing the battery to be attached to the housing; a circuit board including at least one heating element and disposed in the housing; and a heat dissipation diffusion sheet having a first portion disposed in the housing and disposed to allow the first portion to overlap the battery, and a second portion disposed to be in contact with the heating element and disposed not to overlap the battery, and for transferring heat generated from the heating element to the battery or the housing. Other various embodiments are possible. Therefore, the present invention has the effect of improving the heat dissipation performance of a heating element included in the electronic device by attaching the heat dissipation diffusion sheet to the battery mounting area in the housing.

Description

Electronic device including a heat dissipation structure {ELECTRONIC DEVICE WITH RADIANT HEAT STRUCTURE}

Various embodiments of the present invention relate to an electronic device including a heat dissipation structure.

BACKGROUND Electronic devices are being developed in a portable or worn form to improve mobility and accessibility. These electronic devices are becoming lighter and thinner for portability, and are evolving for ease of use.

For example, a foldable electronic device having a flexible display provides a relatively larger screen than a bar-type electronic device, and reduces its size when folded, resulting in portability Since this can be improved, it is in the spotlight as an electronic device for satisfying consumer preferences.

The foldable electronic device includes a flexible display and a plurality of housings, the plurality of housings are connected by a hinge assembly, and the housing and the flexible display may be rotated within a specified range according to a user's manipulation. Through a process of rotating the plurality of housings and the flexible display, the electronic device may be switched from a folded state to an unfolded state or from an unfolded state to a folded state.

However, in the foldable electronic device, the attachment area of the heat dissipation diffusion sheet may not be sufficient due to the mounting area of the hinge assembly.

By reducing the area of the printed circuit board assembly to secure the battery capacity, the attachment area of the heat dissipation diffusion sheet is reduced, and thus the performance of the foldable electronic device may deteriorate.

According to various embodiments of the present disclosure, it is an object of the present invention to provide an electronic device including a heat dissipation structure in which a heat dissipation diffusion sheet can be attached to a battery mounting area of a housing, and the heat dissipation diffusion sheet attachment area is increased.

According to various embodiments of the present disclosure, an electronic device includes: a housing; a battery disposed in the housing and including a first surface facing a first direction and a second surface facing a second direction opposite to the first direction; an adhesive layer for attaching the battery to the housing; a circuit board including at least one heating element and disposed in the housing; and a first part disposed in the housing, the first part overlapping the battery, and a second part disposed in contact with the heating element and not overlapping the battery, wherein the heat generated by the heating element may include a heat dissipation diffusion sheet for transferring the to the battery or the housing.

According to various embodiments of the present disclosure, an electronic device includes: a housing; a battery disposed in the housing and including a first surface facing a first direction and a second surface facing a second direction opposite to the first direction; a battery mounting rib including at least one opening and formed in the housing to support the battery; an adhesive layer for attaching the battery to the housing; a circuit board including at least one heating element and disposed in the housing; and a first part disposed in the housing, the first part overlapping the battery, and a second part disposed in contact with the heating element and not overlapping the battery, wherein the heat generated by the heating element may include a heat dissipation diffusion sheet for transferring the to the battery or the housing.

According to various embodiments of the present disclosure, by attaching the heat dissipation diffusion sheet to the battery mounting area in the housing, the heat dissipation performance of the heating element included in the electronic device may be improved.

According to various embodiments of the present disclosure, the temperature of the front and rear surfaces of the housing of the foldable electronic device may decrease due to the heat dissipation structure.

1A to 1C are views illustrating a foldable electronic device in a folded state according to an exemplary embodiment. FIG. 1A is a perspective view, FIG. 1B is a front view, and FIG. 1C is a rear view.
2A to 2C are views illustrating a foldable electronic device in a 180 degree unfolded state according to an exemplary embodiment. FIG. 2A is a perspective view, FIG. 2B is a front view, and FIG. 2C is a rear view.
3 is an exploded view of an electronic device according to an exemplary embodiment and a diagram illustrating an unfolded state.
4 is an exploded perspective view illustrating an internal structure of an electronic device according to an exemplary embodiment.
5A is a plan view illustrating a housing in which a heat dissipation structure is disposed according to various embodiments of the present disclosure;
5B is a perspective view illustrating a state in which a heat dissipation diffusion sheet is attached to a housing according to various embodiments of the present disclosure;
5C is a cross-sectional view schematically showing a heat dissipation structure of a heating element according to various embodiments of the present disclosure;
5D is a longitudinal cross-sectional view schematically illustrating a heat dissipation structure of a heating element according to various embodiments of the present disclosure;
6 is a perspective view illustrating a housing before attaching a heat dissipation diffusion sheet according to various embodiments of the present disclosure;
7 is a perspective view illustrating a state in which a battery mounting rib is fastened according to various embodiments of the present disclosure;
8 is a perspective view illustrating a housing in which a battery is mounted according to various embodiments of the present disclosure;
9 is a plan view illustrating a housing in which a heat dissipation structure is disposed according to various other embodiments of the present invention.
10 is a longitudinal cross-sectional view schematically illustrating a heat dissipation structure of a heating element according to various other exemplary embodiments of the present invention.

Hereinafter, various embodiments of the present disclosure are described with reference to the accompanying drawings. However, this is not intended to limit the present disclosure to specific embodiments, and it should be understood to cover various modifications, equivalents, and/or alternatives of the embodiments of the present disclosure. In connection with the description of the drawings, like reference numerals may be used for like components.

The electronic device according to various embodiments of the present disclosure may include, for example, a smartphone, a tablet personal computer (PC), a mobile phone, a video phone, and an e-book reader (e-). book reader), desktop PC (desktop personal computer), laptop PC (laptop personal computer), netbook computer (workstation), server, PDA (personal digital assistant), PMP (portable multimedia player), MP3 Players, mobile medical devices, cameras, or wearable devices (e.g. smart glasses, head-mounted-device (HMD)), electronic garments, electronic bracelets, electronic necklaces, electronic apps accessory, electronic tattoo, smart mirror, or smart watch).

1A to 1C are views illustrating a foldable electronic device in a folded state according to an exemplary embodiment. FIG. 1A is a perspective view, FIG. 1B is a front view, and FIG. 1C is a rear view. 2A to 2C are views illustrating a foldable electronic device in a 180 degree unfolded state according to an exemplary embodiment. FIG. 2A is a perspective view, FIG. 2B is a front view, and FIG. 2C is a rear view.

1A to 2C , an electronic device 101 (eg, the electronic device 101 of FIG. 1 ) according to an embodiment includes a folder including a first housing 211 and a second housing 212 . It may include a flexible housing 210 (or “housing”), a flexible display 220 , a hinge assembly 300 , and a cover 230 (or “back cover”). According to an embodiment, the cover 230 may include a first cover 2301 included in the first housing 211 and a second cover 2302 included in the second housing 212 .

According to an embodiment, the first housing 211 and the second housing 212 form a space in which electronic components (eg, a printed circuit board, a battery, a processor, etc.) of the electronic device 101 can be disposed, , may form a side surface of the electronic device 101 . As an example, various types of components for performing various functions of the electronic device 101 may be disposed inside the first housing 211 and the second housing 212 . For example, electronic components such as a front camera, a receiver, and a sensor (eg, a proximity sensor) may be disposed inside the first housing 211 and the second housing 212 . Although not shown in the drawing, the above-described electronic components may be exposed on the front surface of the electronic device 101 through at least one opening 220d or a recess provided on the flexible display 220 . .

As an example, the first housing 211 and the second housing 212 may be disposed side by side when the electronic device 101 is in an unfolded state. As another example, when the electronic device 101 is in a folded state, the first housing 211 rotates (or rotates) with respect to the second housing 212 , so that one surface of the first housing 211 is rotated. and one surface of the second housing 212 may be disposed to face each other.

According to an embodiment, the first housing 211 and the second housing 212 may form a recess for accommodating the flexible display 220, and the flexible display 220 is seated in the recess. It may be supported by the first housing 211 and the second housing 212 . According to another embodiment, the flexible display 220 includes a first support plate ( FIG. 3 221 ) and/or a second support positioned between the flexible display 220 , the first housing 211 , and the second housing 212 . It may be supported by a plate (FIG. 3 222), and a detailed description thereof will be described later. The first housing 211 and the second housing 212 may be formed of a metal material and/or a non-metal material having a specified rigidity to support the flexible display 220 .

According to an embodiment, the flexible display 220 is disposed on the first housing 211 and the second housing 212 , and when the electronic device 101 is in an unfolded state, the front surface of the electronic device 101 (eg, : the surface in the +y direction of FIG. 2A) can be formed. That is, the flexible display 220 may be disposed to extend from one area of the first housing 211 to at least one area of the second housing 212 across the hinge assembly 300 . According to an embodiment, the flexible display 220 is seated in a recess formed by the first housing 211 and the second housing 212 and disposed on the first housing 211 and the second housing 212 . can be

In one example, the flexible display 220 includes a first area 220a corresponding to at least one area of the first housing 211 , a second area 220b corresponding to at least one area of the second housing 212 , It may include a folding area 220c positioned between the first area 220a and the second area 220b and having a flexible characteristic. However, the present invention is not limited to the above-described embodiment, and according to an embodiment, the first region 220a, the second region 220b, and the folding region 220c of the flexible display 220 may all be formed to have flexible characteristics. may be In one example, the first area 220a, the folding area 220c, and the second area 220b face the same direction (eg, the +y direction of FIG. 2A ) and are side by side when the electronic device 101 is in an unfolded state. can be arranged. In contrast, when the electronic device 101 is in a folded state, the folding area 220c may be bent so that the first area 220a and the second area 220b may be disposed to face each other.

According to an embodiment, at least one area (eg, the first area 220a and the second area 220b ) of the flexible display 220 includes one surface of the first housing 211 and one surface of the second housing 212 . can be attached to According to another embodiment, the flexible display 220 includes the first housing 211 through the support plates 221 and 222 positioned between the flexible display 220 and the first housing 211 and the second housing 212 . It may be attached to one surface of the , and one surface of the second housing 212 .

For example, the support plates 221 and 222 are attached to at least one area of the first housing 211 to support the first area 220a of the flexible display 220 and the first support plate 221 and the second 2 It may include a second support plate 222 attached to at least one area of the housing 212 to support the second area 220b of the flexible display 220 . The first support plate 221 may be attached to at least a portion of the first area 220a of the flexible display 220 to support the flexible display 220 . Similarly, the second support plate 222 may be attached to at least a portion of the second region 220b of the flexible display 220 to support the flexible display 220 . The first support plate 221 and the second support plate 222 may be formed of a material having rigidity to support the flexible display 220 .

According to an embodiment, the hinge assembly 300 connects the first housing 211 and the second housing 212 , and moves the second housing 212 with respect to the first housing 211 within a specified rotation range. Alternatively, the first housing 211 may be rotated within a specified rotation range with respect to the second housing 212 .

In one example, a recess 211c is formed in a region where the first housing 211 and the second housing 212 are connected, so that the hinge assembly 300 is connected to the first housing 211 and the second housing. 212 may be disposed between. The above-described recess 211c may be formed in a groove shape having a constant curvature as an example, but is not limited thereto.

According to an embodiment, the hinge housing 300c may be disposed between the first and second housings 211 and 212 , and the hinge assembly 300 may be assembled to the hinge housing 300c. According to an embodiment, the hinge housing 300c may be viewed from the outside of the electronic device 101 or covered by the foldable housing 210 depending on the state of the electronic device 101 . As an example (eg, refer to FIG. 3C ), when the electronic device 101 is in an unfolded state, the hinge housing 300c may be covered by the foldable housing 210 so that it cannot be seen from the outside of the electronic device 101 . In another example (see, for example, FIGS. 2A to 2C ), when the electronic device 101 is in a folded state, the hinge housing 300c may rotate the first housing 211 and the second housing 212 to the electronic device ( 101) can be seen outside. However, a detailed description of the components of the hinge assembly 300 will be described later.

In one example, the cover 230 may be positioned at lower ends (eg, -y direction in FIG. 2A ) of the first housing 211 and the second housing 212 to form the rear surface of the electronic device 101 . . As an example, the cover 230 may include a first cover 2301 coupled to the first housing 211 , and a second cover 2302 coupled to the second housing 212 . As another example, the first cover and the first housing 211 may be integrally formed, and the second cover and the second housing 212 may also be integrally formed.

3 is an exploded view of an electronic device according to an exemplary embodiment and a diagram illustrating an unfolded state. 4 is an exploded perspective view illustrating an internal structure of an electronic device according to an exemplary embodiment.

3 and 4 , a foldable electronic device (eg, the electronic device 101 illustrated in FIG. 2A ) according to an embodiment includes a flexible display 220 and first and second housings (eg, FIG. 1A ). It may include the first and second housings 211 and 212), the hinge assembly 300, at least one or more batteries B1 and B2, and at least one or more printed circuit boards 224 (pcb).

According to an embodiment, the foldable housing 210 may include a first housing 211 and a second housing 212 . The first and second housings 211 and 212 may be physically and rotatably connected to each other by the hinge assembly 300 . For example, the first housing 211 includes a first side member 211a and a first cover 2301 coupled to the first side member 211a, and the second housing 212 includes a second side member ( 212a) and a second cover 2302 coupled to the second side member 212a may be included.

According to an embodiment, the at least one battery may include a first battery B1 disposed in the first housing 211 and a second battery B2 disposed in the second housing 212 . For example, the capacity of the second battery B2 may be greater than the capacity of the first battery B1, and may be heavier.

According to an embodiment, at least one or more printed circuit boards include a main printed circuit board (pcb), at least one or more first electronic components disposed in the first housing 211 , and at least one disposed in the second housing 212 . It may include an auxiliary circuit board (not shown) electrically connecting one or more second electronic components. For example, the auxiliary printed circuit board may be a flexible printed circuit board (FPCB) passing through the hinge housing 300c.

According to an embodiment, the hinge assembly 300 may include hinge hinge structures 300a and 300b. According to an embodiment, the hinge structures 300a and 300b may be disposed on the hinge housing 300c. According to an exemplary embodiment, the first and second hinge plates 300d and 300e may be respectively disposed on the first and second housings 211 and 212 . According to one embodiment, the cap (c) may be coupled to the support portion of the hinge structure. According to an embodiment, the hinge structures 300a and 300b provide rotation axes of the first and second housings 211 and 212 and maintain the state of the electronic device at a specific angle, for example, 0 degree, 45 degree, 90 degree or 180 degree. can provide power.

5A is a plan view illustrating a housing in which a heat dissipation structure is disposed according to various embodiments of the present disclosure; 5B is a perspective view illustrating a state in which a heat dissipation diffusion sheet is attached to a housing according to various embodiments of the present disclosure; 5C is a cross-sectional view schematically illustrating a heat dissipation structure of a heating element according to various embodiments of the present disclosure; 5D is a longitudinal cross-sectional view schematically illustrating a heat dissipation structure of a heating element according to various embodiments of the present disclosure;

5A to 5D , the foldable electronic device 101 according to an embodiment may include a heat dissipation structure for transferring heat generated from a heating element, for example, an AP (AP) to a battery or a housing 211 . can The heat dissipation structure according to an embodiment is a structure in which the attachment area of the heat dissipation diffusion sheet 41 attached to the housing 211 is enlarged, and may be related to the battery B2 mounting structure.

According to an embodiment, in the foldable electronic device 101 , the auxiliary battery B2 may be disposed in the first housing 211 , and the main battery B1 may be disposed in the second housing 212 .

Hereinafter, a heat dissipation structure applied to the first housing (hereinafter referred to as a housing) will be described as an example. Hereinafter, the auxiliary battery B2 will be referred to as a battery.

According to one embodiment, the foldable electronic device 101 may include a housing 211 , at least one heating element 43 , a battery B2 , an adhesive layer 42 , and a heat dissipation diffusion sheet 41 . have.

Referring to FIG. 5A , according to an embodiment, the battery B2 may be seated in the housing 211 . According to one embodiment, when viewed from the top of the housing 211 , the battery B2 has a rectangular shape and may include a pair of long sides 401 and a pair of short sides 402 . According to one embodiment, the battery B2 may be connected to the housing 211 by the heat dissipation diffusion sheet 41 . For example, heat transferred from the heating element 45 may be transferred to the relatively low-temperature battery B2 or the housing 211 through the heat dissipation diffusion sheet 41 . For example, the heating element 45 may include any one or two or more of an application processor (AP), a WiFi module, a charger IC, or a power amplifier.

According to one embodiment, the battery B2 may be seated on the heat dissipation diffusion sheet 41 attached to the housing 211 by the battery mounting rib 43 fastened to the housing 211 .

Referring to FIG. 5B , according to an embodiment, the heat dissipation diffusion sheet 41 may be disposed in contact with the housing 211 . For example, the heat dissipation diffusion sheet 41 may be attached to the housing 211 using an adhesive material. According to an embodiment, the heat dissipation diffusion sheet 41 may be divided into a first portion 410 and a second portion 412 depending on whether a portion overlaps with the battery B2 . According to one embodiment, the heat dissipation diffusion sheet 41 may include a first portion 410 disposed to overlap the battery B2 and a second portion 412 not overlapped with the battery B2 . According to one embodiment, according to an embodiment, the first portion 410 may be disposed between the first and second adhesive layers 420 and 422 . For example, the heat dissipation diffusion sheet 41 may be made of graphite.

5C and 5D , according to one embodiment, the battery B2 has a first surface 40a facing a first direction and a second surface 40b facing a second direction opposite to the first direction. ) may be included. According to one embodiment, the second surface 40b of the battery B2 may be a surface attached to the first portion 410 of the heat dissipation diffusion sheet 41, and may be a surface attached to the first and second adhesive layers 420 and 422. have.

According to one embodiment, the adhesive layer 42 may include first and second adhesive layers 420 and 422 . According to an embodiment, the adhesive layer 42 includes a first adhesive layer 420 attached to one end of the battery 403 and a second adhesive layer spaced apart from the first adhesive layer 420 and attached to the other end of the battery 404 . (422). For example, when viewed from above the housing 211 , each of the first and second adhesive layers 420 and 422 may have a rectangular shape. For example, the first and second adhesive layers 420 and 422 may be double-sided tapes.

According to one embodiment, the battery one end portion 403, the first adhesive layer 420, and the housing 211 overlap, the battery other end portion 404, the second adhesive layer 422 and the housing 211 are to be overlapped. can According to an embodiment, the first part 410 may be disposed to be surrounded by the housing 211 , the adhesive layer 42 , and the battery B2 .

According to one embodiment, the central portion 405 between the battery one end portion 403 and the other end portion 404 , the first portion 410 and the housing 211 may be disposed to overlap each other. According to one embodiment, the heat dissipation diffusion sheet 41 may be located in approximately the same layer as the first and second adhesive layers 420 and 422 . According to one embodiment, the first portion 410 may be attached to all of the second surface 40b of the central portion 405 of the battery.

When heat is generated from the heating element 45 during operation of the foldable electronic device 101 having such a heat dissipation structure, the generated heat is transferred to the first portion 410 of the heat dissipation diffusion sheet 41, and the heat to be transferred is relatively As a result, it may have a heat transfer path that is transferred to the low-temperature battery B2 and the housing 211 . For this heat transfer path, the first portion of the heat dissipation diffusion sheet 41 may be in close contact with one surface of the heating element 45 , and the second portion 412 may be disposed in close contact with the battery B2 and the housing 211 . have. According to one embodiment, the above-listed adhesion state may be a structure maintained. Reference numeral 46 may be a flexible circuit board (FPCB).

According to an embodiment, when the foldable electronic device is in operation, the temperature of the heating element 45 is the highest, the temperature of the housing 211 is the lowest, and when the temperature of the battery B2 is medium, the heating element 45 is ) may be transferred to the battery B2 and the housing 211 through the heat dissipation diffusion sheet 41 , and then heat transferred to the battery B2 may be transferred to the housing 211 .

6 is a perspective view illustrating a housing before attaching a heat dissipation diffusion sheet according to various embodiments of the present disclosure; 7 is a perspective view illustrating a state in which a battery mounting rib is fastened according to various embodiments of the present disclosure; 8 is a perspective view illustrating a housing in which a battery is mounted according to various embodiments of the present disclosure;

The assembly process of the heat dissipation structure is as follows with reference to FIGS. 5B and 6 to 8 .

Referring to FIG. 6 , according to one embodiment, the inner surface of the housing 211 may include a battery mounting area 211a for mounting the battery B2 and an attachment area for the heat dissipation diffusion sheet 41 . For example, the battery mounting region 211a and the heat dissipation diffusion sheet attaching region 211b may be flat.

Referring to FIG. 5B , in the housing 211 according to an exemplary embodiment, first and second adhesive layers 420 and 422 may be attached to both ends of the battery mounting region 211a, and the heat dissipation diffusion sheet attaching region 211b and the battery The heat dissipation diffusion sheet 41 may be attached to portions other than both ends of the mounting region 211a. According to an embodiment, the heat dissipation diffusion sheet 41 may include a first portion 410 overlapping the battery B2 and a second portion 412 not overlapping the battery B2 .

Referring to FIG. 7 , according to one embodiment, the battery mounting rib 43 for mounting the battery B2 to the housing 211 to which the heat dissipation diffusion sheet 41 is attached is to be fastened by a fastener (not shown). can According to one embodiment, the fastened battery mounting rib 43 may cross the heat dissipation diffusion sheet 41 in a horizontal direction and be disposed on the heat dissipation diffusion sheet 41 .

According to one embodiment, the battery mounting rib 43 may protrude in the first direction (eg, the first direction (①) shown in FIG. 5C ) and extend along the battery long side 401 . For example, the battery mounting rib 43 may be disposed along the long side 401 adjacent to the second portion 412 among the long sides 401 of the battery B2 . For example, the battery mounting rib 43 may be made of a rubber material or a thin metal material such as a suspension. A state in which the battery B2 is mounted after the battery mounting rib 43 is fastened to the housing 211 is illustrated in FIG. 8 .

9 is a plan view illustrating a housing in which a heat dissipation structure is disposed according to various other exemplary embodiments of the present invention. 10 is a longitudinal cross-sectional view schematically illustrating a heat dissipation structure of a heating element according to various other exemplary embodiments of the present invention.

9 and 10 , the heat dissipation structure disposed in the housing 211 according to an embodiment is different from the heat dissipation structure illustrated in FIGS. 5A to 5D , only the battery mounting structure is different, and the rest of the structures are the same. Therefore, a detailed description of the same structure will be omitted to avoid overlapping description.

According to one embodiment, the battery B2 mounting structure for mounting the battery B2 in the housing 211 may include a battery mounting rib 47 and an opening 470 . According to one embodiment, the battery mounting rib 47 is integrally injection-molded with the housing 211 and may support one side of the battery B2 . According to one embodiment, the battery mounting rib 47 may include an opening 470 . According to one embodiment, the opening 470 may be a hole through which the heat dissipation diffusion sheet 41 passes. According to one embodiment, the opening 470 may extend along a direction in which the battery mounting rib 47 extends, and may be formed adjacent to the inner surface of the housing 211 . For example, the opening 470 may continuously extend along the long side of the battery B2 (eg, the long side 401 shown in FIG. 5A ), and the heat dissipation diffusion sheet 41 through which the heat dissipation diffusion sheet 41 passes. ) can be extended to a length greater than or equal to the width of

According to one embodiment, the opening 470 is formed in a bottom portion of the battery mounting rib, has a width greater than the thickness of the heat dissipation diffusion sheet 41 , and has a height smaller than the protruding height of the battery mounting rib 47 . can be

According to one embodiment, the heat dissipation diffusion sheet 41 has an opening 470 to be attached to the first and second regions of the housing 211 (eg, the first and second regions 410 and 412 shown in FIG. 5B ). It can be placed through. For example, the heat dissipation diffusion sheet 41 may pass through the battery mounting rib 47 through the opening 470 after being attached to the second region 412 , and then may be attached to the first region 410 .

According to various embodiments of the present disclosure, the temperature of the front and rear surfaces of the housing of the foldable electronic device may decrease by about 1°C to about 2°C due to the heat dissipation structure.

Various embodiments of the present disclosure disclosed in the present specification and drawings are merely presented as specific examples to easily explain the technical content of the present disclosure and help the understanding of the present disclosure, and are not intended to limit the scope of the present disclosure. Therefore, the scope of the present disclosure should be construed as including all changes or modifications derived from the technical spirit of the present disclosure in addition to the embodiments disclosed herein as being included in the scope of the present disclosure.

Claims (20)

In an electronic device,
housing;
a battery disposed in the housing and including a first surface facing a first direction and a second surface facing a second direction opposite to the first direction;
an adhesive layer for attaching the battery to the housing;
a circuit board including at least one heating element and disposed in the housing; and
Doedoe disposed in the housing, the first portion includes a first portion disposed to overlap with the battery, and a second portion disposed in contact with the heating element, but disposed not to overlap with the battery, the heat generated by the heating element and a heat dissipation diffusion sheet for transmitting to the battery or the housing. According to claim 1, wherein the adhesive layer
a first adhesive layer attached to one end of the battery; and
and a second adhesive layer spaced apart from the first adhesive layer and attached to the other end of the battery. The electronic device of claim 2 , wherein the first portion is disposed between the first and second adhesive layers, and is positioned approximately in the same layer as the first and second adhesive layers. The foldable electronic device of claim 1 , wherein the first portion is surrounded by the first housing, the first and second adhesive layers, and the battery. The foldable electronic device of claim 3 , wherein the one end portion of the battery, the first adhesive layer, and the housing overlap, and the other end portion of the battery, the second adhesive layer, and the housing overlap. The electronic device of claim 1, wherein a central portion between the one end portion and the other end portion of the battery, the first portion, and the first housing are disposed to overlap each other. The method according to claim 1, wherein the battery has a rectangular shape when viewed from above, and includes a pair of long sides and a pair of short sides,
A battery mounting rib is fastened to the housing along one long side of the pair of long sides that is adjacent to the second part. The electronic device of claim 7 , wherein the battery mounting rib protrudes in the first direction and extends along the one long side. The foldable electronic device of claim 1 , wherein the battery mounting rib is located on the heat dissipation diffusion sheet and crosses the heat dissipation diffusion sheet in a horizontal direction. The foldable electronic device of claim 9 , wherein the battery mounting rib is disposed on the heat radiation diffusion sheet after the heat radiation diffusion sheet is attached to the first housing and is fastened to the housing. The foldable electronic device of claim 1 , wherein the heat dissipation diffusion sheet comprises a graphite material. The electronic device of claim 1 , wherein the circuit board is a flexible circuit board and is disposed not to overlap the battery. According to claim 1, wherein the housing is
a first housing;
a second housing;
a hinge assembly rotatably connecting the first and second housings; and
and a flexible display disposed from one area of the first housing to at least one area of the second housing across the hinge assembly. In an electronic device,
housing;
a battery disposed in the housing and including a first surface facing a first direction and a second surface facing a second direction opposite to the first direction;
a battery mounting rib including at least one opening and formed in the housing to support the battery;
an adhesive layer for attaching the battery to the housing;
a circuit board including at least one heating element and disposed in the housing; and
Doedoe disposed in the housing, the first portion includes a first portion disposed to overlap with the battery, and a second portion disposed in contact with the heating element, but disposed not to overlap with the battery, the heat generated by the heating element and a heat dissipation diffusion sheet for transmitting to the battery or the housing. The electronic device of claim 14 , wherein the opening is a through hole through which the heat dissipation diffusion sheet passes. 16. The electronic device of claim 15, wherein the opening extends along the battery mounting rib. 16. The electronic device of claim 15, wherein the opening is formed in a bottom portion of the battery mounting rib. The electronic device of claim 14 , wherein the opening is formed to have a height smaller than a protrusion height of the battery mounting rib and greater than a thickness of the heat dissipation diffusion sheet. 15. The method of claim 14, wherein the adhesive layer
a first adhesive layer attached to one end of the battery; and
and a second adhesive layer spaced apart from the first adhesive layer and attached to the other end of the battery,
The first portion is disposed between the first and second adhesive layers, and is positioned on the same layer as the first and second adhesive layers. 15. The electronic device of claim 14, wherein the battery mounting rib is located on the heat dissipation diffusion sheet and crosses the heat dissipation diffusion sheet in a horizontal direction.

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