WO2022197039A1

WO2022197039A1 - Battery having reinforcing structure and electronic device comprising same

Info

Publication number: WO2022197039A1
Application number: PCT/KR2022/003534
Authority: WO
Inventors: 이연일; 최재만; 박종규; 정신영
Original assignee: 삼성전자 주식회사
Priority date: 2021-03-15
Filing date: 2022-03-14
Publication date: 2022-09-22
Also published as: KR20220128848A

Abstract

One embodiment of the present invention discloses an electronic device comprising: a housing; a battery disposed inside the housing; and at least one electronic component disposed inside the housing or exposed to the outside through the housing and electrically connected to the battery, wherein the battery includes: an electrode assembly including a cathode, an anode, and a separator disposed between the cathode and the anode; a first reinforcing member in which an end of each of the cathode, the anode, and the separator in a first direction is extended; at least one second reinforcing member coupled to at least one region of the first reinforcing member; and a casing including an internal space for accommodating the electrode assembly, wherein the casing is configured such that a sealing area corresponding to at least a portion of an edge region of the casing overlaps with at least one area of the at least one second reinforcing member in a state in which the electrode assembly is accommodated in the internal space.

Description

Reinforced battery and electronic device including same

Various embodiments disclosed in this document relate to a battery having a reinforcing structure and an electronic device including the same.

The battery may include a casing made of an aluminum laminate sheet and an electrode assembly, and the electrode assembly may be accommodated in an inner space of the casing. For example, in a state in which the electrode assembly is accommodated in the inner space of the casing, the electrode tabs included in the electrode assembly may be combined with electrode leads supporting an electrical connection with an external component, and the electrode leads are disposed outside the casing. It may extend between the upper sheet and the lower sheet of the exterior material so as to be drawn out to be sealed together with the sheets. Accordingly, the electrode assembly may be locally fixed to a region of the casing in which the electrode leads are sealed, based on the electrode tabs and the electrode leads.

In the manufacturing process of a battery, a separation space according to an assembly tolerance may occur between the inner space of the exterior material and the electrode assembly accommodated in the inner space. Alternatively, in consideration of the injection space of the electrolyte into the inner space of the casing, a separation space may be generated between the inner space of the casing and the electrode assembly.

When an external impact is applied to the battery, the electrode assembly may flow in the interior space of the exterior material due to the separation space as described above, and the repeated flow of the electrode assembly may act as a stress to the bonding region between the electrode tabs and the electrode leads. have. Such stress may lead to damage (eg, breakage or deterioration of mechanical strength) of the electrode tabs or electrode leads, and thus a battery stability problem (eg, reduced output, heat generation, ignition, or explosion).

Various embodiments disclosed in this document, based on at least one reinforcing member that suppresses the flow of an electrode assembly, can relieve stress acting on electrode tabs or electrode leads, and a battery having a reinforcing structure including the same An electronic device may be provided.

The battery according to an embodiment includes an electrode assembly including a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode, and ends of the positive electrode, the negative electrode, and the separator each extending in a first direction are formed and a first reinforcing member to be formed, at least one second reinforcing member coupled to at least one region of the first reinforcing member, and a casing including an internal space for accommodating the electrode assembly.

According to an embodiment, in the case, in a state in which the electrode assembly is accommodated in the inner space, a sealing area corresponding to at least a portion of an edge region of the case is at least one area of the at least one second reinforcing member can be overlapped with

An electronic device according to an embodiment includes a housing including a first surface, a second surface, and a third surface surrounding a space between the first surface and the second surface, a battery disposed inside the housing; and at least one electronic component disposed inside the housing or exposed to the outside through the housing and electrically connected to the battery.

According to various embodiments, the mechanical strength and stability of the battery may be improved by alleviating stress acting on the electrode tabs or the electrode leads based on the at least one reinforcing member that suppresses the flow of the electrode assembly.

According to various embodiments, the stability of the electronic device including the battery having improved mechanical strength and stability may be improved.

In addition, various effects directly or indirectly identified through this document may be provided.

1 is a diagram illustrating a battery according to an embodiment.

2 is a view illustrating an electrode assembly and a plurality of reinforcing members according to an exemplary embodiment.

3 is a view illustrating an electrode assembly and a plurality of reinforcing members according to another exemplary embodiment.

4 is a view illustrating an exterior material according to an embodiment.

5 is a view illustrating an electrode assembly accommodated in a casing according to an embodiment.

6 is a view illustrating an electrode assembly accommodated in a casing viewed from one direction according to an exemplary embodiment.

7 is a view illustrating an electrode assembly accommodated in a casing viewed from one direction according to another embodiment.

8 is a diagram illustrating a front side of an electronic device according to an exemplary embodiment.

9 is a view illustrating a rear surface of an electronic device according to an exemplary embodiment.

10 is a diagram illustrating a deployed state of an electronic device according to an exemplary embodiment.

In connection with the description of the drawings, the same reference numerals may be assigned to the same or corresponding components.

Hereinafter, various embodiments of the present invention will be described with reference to the accompanying drawings. However, this is not intended to limit the present invention to specific embodiments, and it should be understood that various modifications, equivalents, and/or alternatives of the embodiments of the present invention are included.

1 is a diagram illustrating a battery according to an embodiment. 2 is a view illustrating an electrode assembly and a plurality of reinforcing members according to an exemplary embodiment. 3 is a view illustrating an electrode assembly and a plurality of reinforcing members according to another exemplary embodiment.

1 and 2 , the battery 100 according to an embodiment includes an electrode assembly 110 , a plurality of electrode leads (eg, a first electrode (positive electrode) lead 121 and a second electrode (negative electrode)). lead 123 ), a plurality of reinforcing members (eg, the first reinforcing member 125 and at least one second reinforcing

member

127a or 127b in FIG. 3 ), and at least one of the exterior material 130 . can According to various embodiments, the battery 100 may omit at least one of the above-described components or may additionally include other components. For example, the battery 100 may further include an electrolyte solution injected into the inner space of the casing 130 to be impregnated with the electrode assembly 110 accommodated in the inner space of the casing 130 .

According to an embodiment, in the electrode assembly 110 , a plurality of positive electrodes 111 and a plurality of negative electrodes 115 are alternately stacked, and between the plurality of positive electrodes 111 and the plurality of negative electrodes 115 . It may include a stack-type structure in which a separator 113 made of an insulating material is interposed therebetween.

In an embodiment, each of the plurality of positive electrodes 111 may be formed by coating one or both surfaces of a positive electrode current collector with a positive electrode active material (eg, a slurry containing the positive electrode active material is applied and dried). In one embodiment, the first electrode (positive electrode) tab 117 is coupled to an end region of each of the positive electrode current collectors constituting the plurality of positive electrodes 111 facing the first direction (eg, the +X direction). (eg, welded). Similarly, each of the plurality of negative electrodes 115 may be formed by coating a negative electrode active material on one or both surfaces of a negative electrode current collector (eg, a slurry containing the negative electrode active material is applied and dried), and the negative electrode current collectors A second electrode (cathode) tab 119 may be coupled (eg, welded) to one end region facing each of the first directions (eg, the +X direction).

In one embodiment, at least one region of the plurality of first electrode tabs 117 coupled to each of the plurality of positive electrodes 111 may be coupled (eg, welded) to each other in the form of a bundle, the shape of the bundle The region coupled to the first electrode (positive electrode) lead ( 121) may be combined (eg, welded) to form a first electrode (positive electrode) terminal. Similarly, at least one region of the plurality of second electrode tabs 119 coupled to each of the plurality of negative electrodes 115 may be coupled (eg, welded) to each other in the form of a bundle, and the plurality of second electrode tabs 119 may be coupled to each other in the form of a bundle. The region may be combined (eg, welded) with the second electrode (cathode) lead 123 made of a conductive material that supports electrical connection with the external component to form a second electrode (cathode) terminal.

In an embodiment, the electrode assembly 110 may include a first reinforcing member 125 . For example, the electrode assembly 110 may have an end of each of the plurality of positive electrodes 111 , the plurality of separators 113 , and the plurality of negative electrodes 115 facing the first direction (eg, the +X direction). It may include a first reinforcing member 125 formed by extending one region. In an embodiment, the first reinforcing member 125 includes a plurality of positive electrode reinforcing members and a plurality of separators formed by extending one region of an end of each of the plurality of positive electrodes 111 in the first direction (eg, the +X direction). A plurality of separator reinforcement members formed by extending one region of an end of each of the first directions (eg, +X direction), and a plurality of negative electrodes 115 , respectively, in a first direction (eg, +X direction) ) may include a combination of a plurality of negative electrode reinforcement members formed by extending one region of the end. In another embodiment, the first reinforcing member 125 includes one positive electrode reinforcing member formed by extending one region of an end of one positive electrode 111 in the first direction (eg, in the +X direction), the one positive electrode ( 111), one separator reinforcing member formed by extending one region of an end of one separator 113 in the first direction (eg, in the +X direction), and one negative electrode in contact with the one separator 113 ( 115) may include a combination of one negative reinforcing member formed by extending one region of an end in the first direction (eg, the +X direction). In various embodiments, the positive electrode reinforcing member and the negative reinforcing member may have the same shape as each other. Alternatively, the positive electrode reinforcing member may be formed in a shape including a first portion and a second portion extending at different lengths from one region of an end of the positive electrode 111 in the first direction (eg, the +X direction), The negative electrode reinforcing member may have a shape symmetrical to that of the positive electrode reinforcing member including the first and second portions.

In an embodiment, when the electrode assembly 110 is viewed in a second direction (eg: -Z direction) perpendicular to a plane different from the first direction (eg, the +X direction), the positive electrode reinforcing member and the separator are reinforced The member and the negative reinforcing member may be aligned side by side without protruding portions to form the first reinforcing member 125 . For example, each of the positive electrode reinforcing member, the separator reinforcing member, and the negative electrode reinforcing member may be disposed between a first direction (eg, a +X direction) and a third direction (eg, a -X direction) opposite to the first direction. 1 The length may be the same or similar, and a fourth direction (eg, +Y direction) perpendicular to the same plane as the first direction (eg, +X direction) and a fifth direction (eg, the fourth direction) opposite to the fourth direction : -Y direction) may have the same or similar second lengths.

In an embodiment, the first reinforcing member 125 may be formed between the plurality of first electrode tabs 117 and the plurality of second electrode tabs 119 . For example, at an end of each of the plurality of anodes 111 , the plurality of separators 113 , and the plurality of cathodes 115 in the first direction (eg, the +X direction), the plurality of first electrodes One region of the second length corresponding to between the tabs 117 and the plurality of second electrode tabs 119 may extend to the first length to form a first reinforcing member 125 . According to an embodiment, a first length between the first direction (eg, the +X direction) and the third direction (eg, the -X direction) of the first reinforcing member 125 is a plurality of positive electrodes 111 . and a plurality of first electrode tabs 117 and a plurality of second electrode tabs 119 coupled (eg, welded) to each of the plurality of negative electrodes 115 in the first direction (eg, +X direction) and the second direction It may be equal to, longer than, or shorter than the third length between the three directions (eg, the -X direction). According to an embodiment, a second length between the fourth direction (eg, the +Y direction) and the fifth direction (eg, the -Y direction) of the first reinforcing member 125 may be a length of the plurality of first electrode tabs. The fourth length between the 117 and the plurality of second electrode tabs 119 in the fourth direction (eg, the +Y direction) and the fifth direction (eg, the -Y direction) may be similar to or shorter than the fourth length.

In an embodiment, the battery 100 may include at least one second reinforcing member 127a coupled (eg, welded) to the first reinforcing member 125 of the electrode assembly 110 . According to an embodiment, the at least one second reinforcing member 127a has a region oriented in a third direction (eg, -X direction) to a first surface (eg, second direction) of the first reinforcing member 125 . (Bottom surface facing (-Z direction)) and a second surface (eg, upper surface facing the sixth direction (+Z direction) opposite to the second direction (-Z direction)) The first reinforcing member 125 may be coupled (eg, welded), and the other region facing the first direction (eg, the +X direction) may extend to a specified length. In an embodiment, the specified length is to be accommodated in the inner space of the exterior material 130 to be described later by the electrode assembly 110 in a state in which the first reinforcing member 125 and the at least one second reinforcing member 127a are coupled. In this case, the other region of the at least one second reinforcing member 127a in the first direction (eg, the +X direction) overlaps the edge of the exterior material 130 , but is not drawn out of the exterior material 130 . It can be determined by the length of the inner. According to an embodiment, a region of the at least one second reinforcing member 127a facing the third direction (eg, -X direction) includes at least partially a metal material (eg, at least one of aluminum and nickel). can do. In addition, the other region of the at least one second reinforcing member 127a facing the first direction (eg, the +X direction) may at least partially include an insulating material (eg, plastic).

In an embodiment, the at least one second reinforcing member 127a has a space for engaging at least a portion of the first reinforcing member 125 in a region oriented in the third direction (eg, -X direction). As much as possible, one region facing the third direction (eg, -X direction) may be folded. For example, a region of the at least one second reinforcing member 127a oriented in a third direction (eg, -X direction) is first folded in the first direction (eg, +X direction) and then A second folded shape may be included in a direction (eg, a -X direction). According to an embodiment, the first reinforcing member 125 is in a space formed in an area in the third direction (eg, -X direction) of the at least one second reinforcing member 127a by the first folding and the second folding. ) may be nested in at least a part of it. At least a portion of a third surface (eg, a surface facing the second direction (-Z direction) of one region facing the third direction (-X direction)) of the at least one second reinforcing member 127a constituting the space is the The second surface (eg, the upper surface facing the sixth direction (+Z direction)) of the first reinforcing member 125 inserted into the space may come into contact with at least a portion and may be coupled (eg, welded). In addition, at least a portion of a fourth surface (eg, a surface facing the sixth direction (+Z direction) of one region facing the third direction (-X direction)) of the at least one second reinforcing member 127a constituting the space may be combined (eg, welded) in contact with at least a portion of the first surface (eg, the bottom surface facing the second direction (-Z direction)) of the first reinforcing member 125 inserted into the space.

In various embodiments, the shape of the at least one second reinforcing member 127a and the coupling method between the at least one second reinforcing member 127a and the first reinforcing member 125 are not limited to the above-described examples. For example, as long as the at least one second reinforcing member 127a can be coupled to the first reinforcing member 125 , the shape of the at least one second reinforcing member 127a and the at least one second reinforcing member A coupling method between the 127a and the first reinforcing member 125 may be variously modified.

According to various embodiments, an end region of each of the plurality of positive electrodes 111 , the plurality of separators 113 , and the plurality of negative electrodes 115 is extended in a first direction (eg, a +X direction). From the viewpoint that a first reinforcing member 125 is formed, and at least one second reinforcing member 127a is fixed to the first reinforcing member 125 (eg, coupled by welding), the first reinforcing member ( 125 may also be referred to as a fixed end of the electrode assembly 110 .

Referring to FIG. 3 , the second reinforcing member 127b according to an exemplary embodiment may be formed in a cap shape capable of accommodating at least a portion of the first reinforcing member 125 . For example, the second reinforcing member 127b may be formed in a cap shape including an internal space in which one region (eg, one region facing the third direction (-X direction)) is open, and the open one At least a portion of the first reinforcing member 125 may be accommodated in the inner space through the region. In various embodiments, the entire volume of the first reinforcing member 125 is accommodated in the internal space of the second reinforcing member 127b, or a volume of a specified ratio to the total volume of the first reinforcing member 125 is accommodated. can be When the second reinforcing member 127b accommodates a specified proportion of the volume of the first reinforcing member 125 , one surface of the second reinforcing member 127b facing the second direction (eg, -Z direction) has a step difference It can be formed to have. For example, in the second reinforcing member 127b, a first portion of one surface in the second direction (eg, -Z direction) that does not correspond to the inner space of the second reinforcing member 127b corresponds to the inner space. The second direction (eg, -Z direction) may be formed in a lower stage than the second portion of the surface. According to an embodiment, the second reinforcing member 127b may at least partially include an insulating material (eg, polypropylene) having a non-stretch property.

1, 2, and 3 , the electrode assembly 110 in which the first reinforcing member 125 and the at least one second reinforcing

member

127a or 127b are coupled is the interior of the casing 130 . space can be accommodated. In this regard, the exterior material 130 may be formed by laminating a plurality of insulating films (eg, a polypropylene film or a nylon film) and a plurality of metal sheets (eg, an aluminum sheet), and the upper exterior material 131 ) and a lower exterior material 133 . In one embodiment, the upper casing 131 and the lower casing 133 are formed to have a shape corresponding to each other and are sealed to match at least a portion of each edge region, thereby accommodating the electrode assembly 110 . An inner space of the exterior material 130 may be formed.

In an embodiment, when the electrode assembly 110 in which the first reinforcing member 125 and the at least one second reinforcing

member

127a or 127b are coupled is accommodated in the inner space of the casing 130 , the The at least one second reinforcing

member

127a or 127b may not be drawn out or exposed to the outside of the exterior member 130 .

4 is a view illustrating an exterior material according to an embodiment. 5 is a view illustrating an electrode assembly accommodated in a casing according to an embodiment. 6 is a view illustrating an electrode assembly accommodated in a casing viewed from one direction according to an exemplary embodiment. The one direction may be referred to as a second direction (eg, -Z direction) shown in FIG. 5 .

At least one of the components of the battery shown in FIGS. 4, 5, or 6 may be the same or similar to the components described with reference to FIGS. 1, 2, or 3, and hereinafter the same or similar A duplicate description of the components may be omitted.

4 and 5 , the upper casing 131 and the lower casing 133 according to an exemplary embodiment may form the casing 130 by sealing at least a portion of each edge region. In an embodiment, the upper casing 131 and the lower casing 133 may be provided in a form in which edge regions facing a third direction (eg, -X direction) are combined. In this case, the lower exterior material 133 may include a first sealing area 10a facing a first direction (eg, +X direction), a second sealing area 20a facing a fifth direction (eg -Y direction), and It may include a third sealing area 30a facing the fourth direction (eg, the +Y direction). In addition, the upper exterior material 131 includes a fourth sealing area 10b corresponding to the first sealing area 10a, a fifth sealing area 20b corresponding to the second sealing area 20a, and the third sealing area 10b. A sixth sealing area 30b corresponding to the sealing area 30a may be included. In another embodiment, the upper casing 131 and the lower casing 133 may be provided in an independent form that is not coupled. In this case, the lower exterior material 133 may further include a seventh sealing area oriented in a third direction (eg, -X direction) in addition to the above-described sealing areas, and the upper exterior material 131 may include, in addition to the sealing areas, in addition to the sealing areas. An eighth sealing area corresponding to the seventh sealing area of the lower exterior member 133 may be further included. In an embodiment, corresponding sealing regions of the upper casing 131 and the lower casing 133 may be sealed by a thermosetting process or a photocuring process, and correspondingly, the inner space of the casing 130 is sealed from the outside. (135) may be formed.

Referring to FIGS. 5 and 6A , in the sealing process between the upper casing 131 and the lower casing 133 , the electrode assembly 110 may be accommodated in the inner space 135 of the casing 130 . For example, in the inner space 135 of the exterior material 130 , the first electrode lead 121 and the second electrode lead 123 are provided in the plurality of first electrode tabs 117 and the plurality of second electrode tabs 119 , respectively. ) is coupled, and the electrode assembly 110 in which at least one second reinforcing member 127a is coupled to the first reinforcing member 125 may be accommodated.

According to an embodiment, when the electrode assembly 110 is accommodated in the inner space 135 of the casing 130 , at least one second reinforcement coupled to the first reinforcement member 125 of the electrode assembly 110 . One region of the member 127a may be interposed between the upper casing 131 and the lower casing 133 . For example, a region of the at least one second reinforcing member 127a extending to a specified length in the first direction (eg, the +X direction) (eg, a region that does not engage the first reinforcing member 125 ) may be interposed between the first sealing area 10a of the lower casing 133 and the fourth sealing area 10b of the upper casing 131 .

In an embodiment, a region of the at least one second reinforcing member 127a oriented in a first direction (eg, a +X direction) may include the first sealing region 10a and the fourth sealing region 10b, respectively. a length less than a specified ratio with respect to the length between the first direction (eg, the +X direction) and the third direction (eg, the -X direction) of the first sealing region 10a and the fourth sealing region 10b Each can be nested. For example, an end of the one region that faces the first direction (eg, the +X direction) of the at least one second reinforcing member 127a may have a first sealing region 10a and a fourth sealing region 10b, respectively. It overlaps, but may not reach (or contact) an end of each of the first sealing region 10a and the second sealing region 10b in the first direction (eg, the +X direction).

In an embodiment, one region in the first direction (eg, the +X direction) of the at least one second reinforcing member 127a interposed between the first sealing region 10a and the fourth sealing region 10b may include: It may be sealed together with the first sealing region 10a and the fourth sealing region 10b by a curing process or a photocuring process. According to various embodiments, before the sealing process between the first sealing area 10a and the fourth sealing area 10b, the second reinforcing member 127a overlapping the first sealing area 10a is formed. The fifth side (eg, the side facing the second direction (-Z direction)) of the one region facing the 1 direction (eg, the +X direction) is the first side based on the adhesive member (eg, an adhesive film or an adhesive tape) It may be adhered to the sealing region 10a.

5 and 6 ( b ), when the electrode assembly 110 is accommodated in the inner space 135 of the exterior material 130 , the electrode assembly 110 is coupled to the first reinforcing member 125 of the electrode assembly 110 . One area of the cap-shaped second reinforcing member 127b (which accommodates at least a portion of the first reinforcing member 125 ) includes the first sealing area 10a of the lower casing 133 and the upper casing 131 . may be interposed between the fourth sealing regions 10b of the In an embodiment, a region of the second reinforcing member 127b having the cap shape in the first direction (eg, in the +X direction) may be formed in a region of the first sealing region 10a and the fourth sealing region 10b, respectively. A length less than a specified ratio with respect to the length between the first direction (eg, the +X direction) and the third direction (eg, the -X direction), respectively, the first sealing region 10a and the fourth sealing region 10b can be overlapped with For example, the end of the one region that faces the first direction (eg, the +X direction) of the second reinforcing member 127b having a cap shape may include the first sealing region 10a and the fourth sealing region 10b, respectively. It overlaps, but may not reach (or contact) an end of each of the first sealing region 10a and the second sealing region 10b in the first direction (eg, the +X direction). In an embodiment, one region in the first direction (eg, the +X direction) of the cap-shaped second reinforcing member 127B interposed between the first sealing region 10a and the fourth sealing region 10b is It may be sealed together with the first sealing region 10a and the fourth sealing region 10b by a curing process or a photocuring process.

5, 6 (a), and 6 (b), when the space between the upper casing 131 and the lower casing 133 is sealed, the second reinforcing

member

127a or 127b is the casing 130 ) may not be withdrawn or exposed to the outside. In addition, one area of the second reinforcing

member

127a or 127b overlapped with the first sealing area 10a of the lower casing 133 and the fourth sealing area 10b of the upper casing 131 and sealed together 2 By the first reinforcing member 125 coupled to the other region of the reinforcing

member

127a or 127b, the electrode assembly 110 may receive a fixing force in the inner space 135 of the exterior material 130, and external impact flow can be suppressed.

At least one of the components of the battery shown in FIG. 7 may be the same as or similar to the components described with reference to FIGS. 1, 2, 3, 4, 5, or 6, and hereinafter the same Alternatively, overlapping descriptions of similar components may be omitted.

2, 4, 5, and 7 , the electrode assembly 110 according to an embodiment may include a plurality of first reinforcing members. For example, the plurality of first reinforcing members may have ends facing each of the plurality of positive electrodes 111 , the plurality of separators 113 , and the plurality of negative electrodes 115 in the first direction (eg, the +X direction). A reinforcing member 125a formed by extending a region of ) of the reinforcing member 125b formed by extending one region of the end toward the , and a fifth direction ( For example, it may include a reinforcing member 125c formed by extending one region of an end portion facing the -Y direction.

In an embodiment, at least one second reinforcing member 127a (or a cap-shaped second reinforcing member (127b in FIG. 3 )) is coupled to each of the plurality of first reinforcing

members

125a, 125b, and 125c. can be One region of at least one second reinforcing

member

127a or 127b coupled to each of the plurality of first reinforcing

members

125a, 125b, and 125c is interposed between the upper casing 131 and the lower casing 133, , may overlap the upper exterior material 131 and the lower exterior material 133 . For example, one area of the at least one second reinforcing

member

127a or 127b coupled to the reinforcing member 125a facing the first direction (eg, the +X direction) is a first sealing area of the lower casing 133 . It may overlap the fourth sealing area 10b of the 10a and the upper casing 131 to be sealed together with the first sealing area 10a and the fourth sealing area 10b. For another example, one region of the at least one second reinforcing

member

127a or 127b coupled with the reinforcing member 125b facing the fourth direction (eg, the +Y direction) may be a third sealing member of the lower exterior member 133 . It may overlap the region 30a and the sixth sealing region 30b of the upper casing 131 to be sealed together with the third sealing region 30a and the sixth sealing region 30b. As another example, one region of the at least one second reinforcing

member

127a or 127b coupled to the reinforcing member 125c facing the fifth direction (eg, the -Y direction) may be the second portion of the lower exterior member 133 . It may overlap the sealing area 20a and the fifth sealing area 20b of the upper exterior material 131 to be sealed together with the second sealing area 20a and the fifth sealing area 20b. According to an embodiment, at least one second reinforcing

member

127a or 127b coupled to each of the plurality of first reinforcing

members

125a, 125b, and 125c may be formed between the upper casing 131 and the lower casing 133. It may not be drawn out or exposed to the outside of the exterior material 130 formed by sealing.

Hereinafter, an electronic device including a battery (eg, the battery 100 of FIGS. 1 and 5 ) according to various embodiments described above may be exemplified with reference to FIGS. 8 , 9 , and 10 .

8 is a diagram illustrating a front side of an electronic device according to an exemplary embodiment. 9 is a view illustrating a rear surface of an electronic device according to an exemplary embodiment.

8 and 9 , the electronic device 800 according to an embodiment has a first surface 810A (or a front surface) oriented in the +Z direction, and a first surface 810A (or front surface) oriented in the -Z direction opposite to the +Z direction. 2 surface 810B (or rear surface), and the first surface 810A facing at least one of a +X direction, a -X direction, a +Y direction, and a -Y direction perpendicular to the +Z direction or the -Z direction ) and a third surface 810C (or a side surface) surrounding the space between the second surface 810B may include a housing. In various embodiments, the housing may refer to a structure forming a portion of the first surface 810A, the second surface 810B, and the third surface 810C.

According to an embodiment, the first surface 810A may be formed by a front plate 802 (eg, a glass plate or a polymer plate including various coating layers) at least a portion of which is substantially transparent. In various embodiments, the front plate 802 is curved and extends seamlessly from the first side 810A toward the back plate 811 forming the second side 810B, at least at a side edge portion. It may include a curved portion that becomes

According to an embodiment, the second surface 810B may be formed by a substantially opaque back plate 811 . The back plate 811 may include, for example, coated or tinted glass, ceramic, polymer, metal (eg, aluminum, stainless steel, or magnesium), or a combination of at least two of the foregoing. In various embodiments, the back plate 811 may include, at at least one end, a curved portion that extends seamlessly from the second side 810B toward the front plate 802 forming the first side 810A. .

According to an embodiment, the third surface 810C may be formed by a side member 818 (or a bracket) coupled to the front plate 802 and the rear plate 811 . In various embodiments, the side member 818 may include at least one of a metal and a polymer. In various embodiments, the back plate 811 and the side member 818 may be integrally formed and may include the same material (eg, a metal material such as aluminum).

According to an embodiment, the electronic device 800 includes a display 801 , an audio module 803 , at least one

camera module

805 , 812 , 813 , 814 , and 815 ), a flash 806 , and a key. It may include at least one of an input device 817 and a connector hole 808 . In various embodiments, the electronic device 800 may not include at least one of the above-described components (eg, the key input device 817 ) or may additionally include other components. For example, the electronic device 800 may further include a sensor module, and the sensor module may include at least one of an optical sensor, an ultrasonic sensor, and a capacitive sensor. In an embodiment, the sensor module is located on at least one of a lower portion of a screen display area of the display 801 (eg, an area of the display 801 viewed through the front plate 802 ) and a peripheral area of the display 801 . can be placed. In various embodiments, the electronic device 800 may further include a light emitting device, and the light emitting device may be disposed adjacent to the display 801 in an area provided by the front plate 802 . The light emitting device may provide, for example, state information of the electronic device 800 in the form of light. As another example, the light emitting device may provide a light source that is interlocked with the operation of the first camera module 805 . In various embodiments, the light emitting device may include at least one of an LED, an IR LED, and a xenon lamp.

The display 801 can be seen from the outside of the electronic device 800 through a significant portion of the front plate 802 . In various embodiments, the edge of the display 801 may be substantially identical to an outer shape (eg, a curved surface) of the adjacent front plate 802 . In various embodiments, in order to expand the area to which the display 801 is visually exposed, the distance between the outer periphery of the display 801 and the outer periphery of the front plate 802 may be substantially the same. In various embodiments, a recess, a notch, or an opening may be formed in a portion of the screen display area of the display 801 , and the electronic device 800 may display the recess, the notch, or An electronic component aligned with the opening may include, for example, a first camera module 805 , a proximity sensor, or an illuminance sensor.

In various embodiments, the electronic device 800 includes at least one camera module (at least one of 805, 812, 813, 814, and 815) disposed below the screen display area of the display 801, a fingerprint sensor, and a flash ( 806) may be included. In various embodiments, the display 801 is disposed adjacent to or coupled to at least one of a touch sensing circuit, a pressure sensor capable of measuring the intensity of a touch (eg, pressure), and a digitizer detecting a magnetic field type stylus pen. can be

The audio module 803 may include at least one of a microphone hole and a speaker hole. A microphone for acquiring an external sound may be disposed inside the microphone hole, and, for example, a plurality of microphones may be disposed to sense the direction of the sound. In various embodiments, the microphone hole and the speaker hole may be implemented as one hole (eg, the audio module 803 ), or a speaker (eg, a piezo speaker) may be included in the electronic device 800 without the speaker hole. In various embodiments, the speaker hole may include at least one of an external speaker hole and a receiver hole for a call.

In an embodiment, the electronic device 800 may generate an electrical signal or data value corresponding to an internal operating state or an external environmental state using a sensor module (not shown). The sensor module may include, for example, at least one of a proximity sensor disposed on the first surface 810A of the housing and a biometric sensor (eg, a heart rate monitoring (HRM) sensor) disposed on the second surface 810B of the housing. may include. In various embodiments, the sensor module may further include at least one of a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a color sensor, an infrared (IR) sensor, a temperature sensor, and a humidity sensor have.

A first camera module 805 of the one or

more camera modules

805 , 812 , 813 , 814 , and 815 may be disposed on the first surface 810A of the electronic device 800 , and the second At least one of the

camera modules

812 , 813 , 814 , and 815 ) and the flash 806 may be disposed on the second surface 810B of the electronic device 800 . The at least one camera module (at least one of 805, 812, 813, 814, and 815) may include, for example, at least one of one or a plurality of lenses, an image sensor, and an image signal processor. In various embodiments, the plurality of lenses (eg, a wide-angle lens and a telephoto lens) and an image sensor may be disposed on one surface of the electronic device 800 . The flash 806 may include, for example, a light emitting diode or a xenon lamp.

The key input device 817 may be disposed on the third surface 810C of the housing. In various embodiments, the electronic device 800 may not include some or all of the key input devices 817 , and the non-included key input devices 817 may be displayed on the display 801 such as soft keys. It can be implemented in the form In various embodiments, the key input device 817 may include at least a portion of a fingerprint sensor disposed on the second surface 810B of the housing.

The connector hole 808 may accommodate at least one of a connector for transmitting/receiving at least one of power and data with an external electronic device and a connector for transmitting/receiving an audio signal with the external electronic device. The connector hole 808 may accommodate, for example, at least one of a USB connector and an earphone jack. In various embodiments, the electronic device 800 may transmit/receive at least one of power and data or transmit/receive an audio signal to/from an external electronic device without the connector hole 808 .

Referring to FIG. 10 , an electronic device 1000 (eg, the electronic device 800 of FIGS. 8 and 9 ) according to an embodiment includes a front plate (eg, the front plate 802 of FIG. 8 ) and a display 1010 . ) (eg, display 801 of FIG. 8 ), side member 1020 (eg, side member 818 of FIGS. 8 and 9 ), at least one printed circuit board 1030 , first support structure 1040 ) ) (eg, a shield can), a second support structure 1050 , a battery 1060 (eg, the battery 100 of FIGS. 1 and 5 ), and a back plate 1070 (eg, FIG. 9 ) of at least one of the rear plate 811). At least one of the components of the electronic device 1000 illustrated in FIG. 10 may be the same as or similar to the components described with reference to FIGS. 8 and 9 , and repeated descriptions below may be omitted.

According to an embodiment, the side member 1020 may include at least one of the metal frame structure 1021 and the support member 1022 . In an embodiment, the metal frame structure 1021 may be formed of a conductive material (eg, metal) to form a side surface (eg, the third surface 810C of FIG. 8 ) of the electronic device 1000 . The metal frame structure 1021 may include, for example, at least one conductive portion and at least one non-conductive portion insulating the at least one conductive portion. The at least one conductive portion may function as an antenna radiator for transmitting and receiving RF signals of a specified frequency band. In an embodiment, the support member 1022 may include at least one of a metallic material and a non-metallic material (eg, a polymer) to provide a space for electronic components to be disposed in the electronic device 1000 . can For example, the display 1010 may be disposed on one surface of the support member 1022 (eg, one surface facing the +Z direction), and the other surface of the support member 1022 (eg, the -Z direction). At least one printed circuit board 1030 may be disposed on one side facing the In various embodiments, the support member 1022 may be connected to the metal frame structure 1021 or may be integrally formed with the metal frame structure 1021 .

In an embodiment, a plurality of electronic components may be disposed on the at least one printed circuit board 1030 . For example, at least one of a processor, a memory, and an interface may be disposed on the at least one printed circuit board 1030 . The processor may include, for example, at least one of a central processing unit, an application processor, a graphic processing unit, an image signal processor, a sensor hub processor, and a communication processor. The memory may include, for example, at least one of a volatile memory and a non-volatile memory. The interface may include, for example, at least one of a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, and an audio interface. In an embodiment, the interface may electrically or physically connect the electronic device 1000 to an external electronic device, and may include at least one of a USB connector, an SD card, an MMC connector, and an audio connector.

According to an embodiment, the at least one printed circuit board 1030 may include at least one of the first printed circuit board 1031 and the second printed circuit board 1032 . In an embodiment, the first printed circuit board 1031 may be disposed in one area (eg, one area facing the +Y direction) of the support member 1022 , and the second printed circuit board 1032 may be 1 It may be disposed in another area (eg, one area facing the -Y direction) of the support member 1022 spaced apart from the printed circuit board 1031 . In an embodiment, the first printed circuit board 1031 and the second printed circuit board 1032 may be electrically connected through an electrical connection member 1033 . The electrical connection member 1033 may include, for example, at least one of a flexible printed circuit board, a coaxial cable, and a B to B (board to board) connector. The structure of the at least one printed circuit board 1030 is not limited to the illustrated example, and in various embodiments, the at least one printed circuit board 1030 may be implemented as one printed circuit board.

In an embodiment, the first support structure 1040 (eg, a shield can) is formed to include a conductive material (eg, metal), and may be disposed on at least one printed circuit board 1030 . According to an embodiment, a patch antenna may be disposed in at least one region (eg, one region oriented in the -Z direction) of the first support structure 1040 , and the first support structure 1040 is the A patch antenna can be supported. The patch antenna may function, for example, as an antenna radiator for transmitting and receiving an ultra-wide band RF signal.

In an embodiment, the first support structure 1040 may shield a plurality of electronic components disposed on the at least one printed circuit board 1030 . For example, the first support structure 1040 may surround or cover the plurality of electronic components to block noise generated from the plurality of electronic components.

According to an embodiment, the second support structure 1050 may be formed of a material different from that of the first support structure 1040 . For example, the second support structure 1050 may be formed of a non-conductive material (eg, plastic), but is not limited thereto. In an embodiment, the second support structure 1050 is disposed on one area of the at least one printed circuit board 1030 , so that a plurality of electronic components disposed on the at least one printed circuit board 1030 are protected from external impact. damage can be prevented. In an embodiment, the second support structure 1050 is disposed so as not to overlap the first support structure 1040 when viewed from an upper portion of the at least one printed circuit board 1030 (eg, an upper portion oriented in the -Z direction). can be In another embodiment, the second support structure 1050 may be disposed to overlap at least a portion of the first support structure 1040 .

According to an embodiment, the battery 1060 may supply power to at least one component of the electronic device 1000 and may include, for example, a non-rechargeable primary battery, a rechargeable secondary battery, or a fuel cell. can In an embodiment, at least a portion of the battery 1060 may be disposed substantially on the same plane as the at least one printed circuit board 1030 . In various embodiments, the battery 1060 may be integrally disposed inside the electronic device 1000 or may be disposed detachably from the electronic device 1000 .

According to an embodiment, the rear plate 1070 may form the rear surface (eg, the second surface 810B of FIG. 9 ) of the electronic device 1000 . The back plate 1070 may protect, for example, internal components of the electronic device 1000 from external impact or foreign matter inflow.

The battery according to the various embodiments described above includes an electrode assembly including a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode, and ends of the positive electrode, the negative electrode, and the separator each extending in a first direction and a casing including a first reinforcing member formed by being formed by the first reinforcing member, at least one second reinforcing member coupled to at least one region of the first reinforcing member, and an internal space for accommodating the electrode assembly.

According to various embodiments of the present disclosure, in the case in which the electrode assembly is accommodated in the inner space, a sealing area corresponding to at least a portion of an edge region of the case is at least one area of the at least one second reinforcing member. can be overlapped with

According to various embodiments, in the at least one second reinforcing member, a region oriented in a second direction opposite to the first direction engages a portion of an upper surface and a portion of a lower surface of the first reinforcing member, and 1 may be combined with a reinforcing member.

According to various embodiments, in the at least one second reinforcing member, one region facing the second direction is first folded toward the first direction and then is second folded toward the second direction. and a space formed therein, and may be coupled to the first reinforcing member by engaging a portion of an upper surface and a portion of a lower surface of the first reinforcing member through the space.

According to various embodiments, the exterior material is formed in a shape corresponding to the upper exterior material and the upper exterior material including the first sealing area in at least a part of the edge area, and is sealed with the first sealing area in at least a part of the edge area. It may include a lower exterior material including a second sealing area for the.

According to various embodiments, a region of the at least one second reinforcing member facing the first direction may be interposed between the first sealing region and the second sealing region.

According to various embodiments, in the at least one second reinforcing member, a region facing the first direction may be opposite to the first direction and the first direction of the first sealing region and the second sealing region, respectively. In a length less than a specified ratio with respect to the length between the second directions, it may overlap each of the first sealing area and the second sealing area.

According to various embodiments of the present disclosure, in the at least one second reinforcing member, an end of one region facing the first direction overlaps an end of each of the first sealing region and the second sealing region facing the first direction it may not be

According to various embodiments, in the at least one second reinforcing member, one region facing the first direction is based on a thermosetting process or a photocuring process, together with the first sealing region and the second sealing region. can be sealed.

According to various embodiments, in the at least one second reinforcing member, one area facing the first direction may be sealed together with the first sealing area and the second sealing area so as not to be exposed to the outside of the exterior material. have.

According to various embodiments, in the at least one second reinforcing member, a region facing the first direction at least partially includes an insulating material, and a region facing the second direction at least partially includes a metal material can do.

According to various embodiments, the at least one second reinforcing member includes a cap shape including an inner space in which a region facing a second direction opposite to the first direction is opened, and the open region Through this, at least a portion of the first reinforcing member may be accommodated in the inner space to be coupled to the first reinforcing member.

According to various embodiments, the at least one second reinforcing member may at least partially include an insulating material having a non-stretch property.

According to various embodiments, the first reinforcing member may include a reinforcing member in which ends of each of the positive electrode, the negative electrode, and the separator extending in the first direction extend, the positive electrode, the negative electrode, and each of the separator A reinforcing member formed by extending end portions facing a third direction perpendicular to the first direction, and end portions facing a fourth direction opposite to the third direction of each of the anode, the cathode, and the separator are formed to extend It may include a reinforcing member.

According to various embodiments, the at least one second reinforcing member may include at least one of a reinforcing member corresponding to the first direction, a reinforcing member corresponding to the third direction, and a reinforcing member corresponding to the fourth direction, respectively. It can be combined with a realm.

The electronic device according to various embodiments described above includes a housing including a first surface, a second surface, and a third surface surrounding a space between the first surface and the second surface, the housing being disposed inside the housing It may include a battery and at least one electronic component disposed inside the housing or exposed to the outside through the housing and electrically connected to the battery.

According to various embodiments, the battery includes an electrode assembly including a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode, and ends of the positive electrode, the negative electrode, and the separator each extending in a first direction and a casing including a first reinforcing member formed by being formed by the first reinforcing member, at least one second reinforcing member coupled to at least one region of the first reinforcing member, and an internal space for accommodating the electrode assembly.

The electronic device according to various embodiments disclosed in this document may be a device of various types. The electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device. The electronic device according to the embodiment of the present document is not limited to the above-described devices.

The various embodiments of this document and the terms used therein are not intended to limit the technical features described in this document to specific embodiments, and should be understood to include various modifications, equivalents, or substitutions of the embodiments. In connection with the description of the drawings, like reference numerals may be used for similar or related components. The singular form of the noun corresponding to the item may include one or more of the item, unless the relevant context clearly dictates otherwise. As used herein, “A or B”, “at least one of A and B”, “at least one of A or B,” “A, B or C,” “at least one of A, B and C,” and “A , B, or C," each of which may include any one of the items listed together in the corresponding one of the phrases, or all possible combinations thereof. Terms such as “first”, “second”, or “first” or “second” may simply be used to distinguish the component from other such components, and refer to those components in other aspects (e.g., importance or order) is not limited. As “coupled” or “connected” to one (eg, first) component to another (eg, second) component, with or without the terms “functionally” or “communicatively” When referenced, it means that one component can be connected to the other component directly (eg by wire), wirelessly, or through a third component.

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

According to various embodiments of the present document, one or more instructions stored in a storage medium (eg, internal memory 136 or external memory 138) readable by a machine (eg, electronic device 101) may be implemented as software (eg, the program 140) including For example, the processor (eg, the processor 120 ) of the device (eg, the electronic device 101 ) may call at least one of the one or more instructions stored from the storage medium and execute it. This makes it possible for the device to be operated to perform at least one function according to the called at least one command. The one or more instructions may include code generated by a compiler or code executable by an interpreter. The device-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-transitory' only means that the storage medium is a tangible device and does not contain a signal (eg, electromagnetic wave), and this term is used in cases where data is semi-permanently stored in the storage medium and It does not distinguish between temporary storage cases.

According to an embodiment, the method according to various embodiments disclosed in this document may be provided by being included in a computer program product. Computer program products may be traded between sellers and buyers as commodities. The computer program product is distributed in the form of a machine-readable storage medium (eg compact disc read only memory (CD-ROM)), or via an application store (eg Play Store ^TM ) or on two user devices ( It can be distributed (eg downloaded or uploaded) directly or online between smartphones (eg smartphones). In the case of online distribution, at least a portion of the computer program product may be temporarily stored or temporarily generated in a machine-readable storage medium such as a memory of a server of a manufacturer, a server of an application store, or a memory of a relay server.

According to various embodiments, each component (eg, a module or a program) of the above-described components may include a singular or a plurality of entities. According to various embodiments, one or more components or operations among the above-described corresponding components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (eg, a module or a program) may be integrated into one component. In this case, the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. . According to various embodiments, operations performed by a module, program, or other component are executed sequentially, in parallel, repeatedly, or heuristically, or one or more of the operations are executed in a different order, omitted, or , or one or more other operations may be added.

Claims

in the battery,

an electrode assembly including an anode, a cathode, and a separator disposed between the anode and the cathode;

a first reinforcing member in which ends of the positive electrode, the negative electrode, and the separator each extend in a first direction;

at least one second reinforcing member coupled to at least one region of the first reinforcing member; and

and a casing including an internal space for accommodating the electrode assembly,

The exterior material is

In a state in which the electrode assembly is accommodated in the inner space, a sealing area corresponding to at least a portion of an edge area of the casing overlaps with at least one area of the at least one second reinforcing member.
The method of claim 1,

the at least one second reinforcing member,

A region facing a second direction opposite to the first direction is coupled to the first reinforcing member while engaging a portion of an upper surface and a portion of a lower surface of the first reinforcing member.
The method of claim 1,

The exterior material is

an upper exterior member including a first sealing area in at least a portion of the edge area; and

and a lower casing formed in a shape corresponding to the upper casing, and including a second sealing area to be sealed with the first sealing area in at least a portion of an edge area;

the at least one second reinforcing member,

One region facing the first direction is interposed between the first sealing region and the second sealing region.
4. The method of claim 3,

the at least one second reinforcing member,

One region facing the first direction has a length less than a specified ratio with respect to a length between the first direction and a second direction opposite to the first direction of each of the first sealing region and the second sealing region; The battery overlaps each of the first sealing area and the second sealing area.
4. The method of claim 3,

the at least one second reinforcing member,

The battery, wherein an end of the one region facing the first direction does not overlap with an end facing the first direction of each of the first sealing region and the second sealing region.
4. The method of claim 3,

the at least one second reinforcing member,

The one area facing the first direction is sealed together with the first sealing area and the second sealing area based on a thermosetting process or a photocuring process, and thus is not exposed to the outside of the exterior material.
3. The method of claim 2,

The at least one second reinforcing member,

The battery, wherein a region facing the first direction at least partially includes an insulating material, and a region facing the second direction at least partially includes a metal material.
The method of claim 1,

the at least one second reinforcing member,

and a cap shape including an open inner space in which a region facing a second direction opposite to the first direction is opened,

The battery is coupled to the first reinforcing member by receiving at least a portion of the first reinforcing member in the inner space through the open region.
The method of claim 1,

The first reinforcing member,

a reinforcing member formed by extending end portions of the positive electrode, the negative electrode, and the separator in the first direction;

a reinforcing member in which ends of the positive electrode, the negative electrode, and the separator each extend in a third direction perpendicular to the first direction; and

The positive electrode, the negative electrode, and each of the separator includes a reinforcing member formed by extending end portions facing a fourth direction opposite to the third direction,

the at least one second reinforcing member,

The battery is coupled to at least one region of each of the reinforcing member corresponding to the first direction, the reinforcing member corresponding to the third direction, and the reinforcing member corresponding to the fourth direction.
In an electronic device,

a housing comprising a first surface, a second surface, and a third surface surrounding a space between the first surface and the second surface;

a battery disposed inside the housing; and

At least one electronic component disposed inside the housing or exposed to the outside through the housing and electrically connected to the battery,

The battery is

an electrode assembly including an anode, a cathode, and a separator disposed between the anode and the cathode;

a first reinforcing member in which ends of the positive electrode, the negative electrode, and the separator each extend in a first direction;

at least one second reinforcing member coupled to at least one region of the first reinforcing member; and

and a casing including an internal space for accommodating the electrode assembly,

The exterior material is

In a state in which the electrode assembly is accommodated in the inner space, a sealing area corresponding to at least a portion of an edge area of the exterior material overlaps with at least one area of the at least one second reinforcing member.
11. The method of claim 10,

the at least one second reinforcing member,

and a region facing a second direction opposite to the first direction is coupled to the first reinforcing member by engaging a portion of an upper surface and a portion of a lower surface of the first reinforcing member.
11. The method of claim 10,

The exterior material is

an upper exterior member including a first sealing area in at least a portion of the edge area; and

and a lower casing formed in a shape corresponding to the upper casing, and including a second sealing area to be sealed with the first sealing area in at least a portion of an edge area;

The at least one second reinforcing member,

An area facing the first direction is interposed between the first sealing area and the second sealing area.
13. The method of claim 12,

the at least one second reinforcing member,

One region facing the first direction has a length less than a specified ratio with respect to a length between the first direction and a second direction opposite to the first direction of each of the first sealing region and the second sealing region; The electronic device overlaps each of the first sealing area and the second sealing area.
13. The method of claim 12,

the at least one second reinforcing member,

The electronic device, wherein an end of the one region facing the first direction does not overlap with an end facing the first direction of each of the first sealing region and the second sealing region.
13. The method of claim 12,

the at least one second reinforcing member,

The one region facing the first direction is sealed together with the first sealing region and the second sealing region based on a thermosetting process or a photocuring process, and thus is not exposed to the outside of the exterior material.