Electronic device including flexible printed circuit board
An electronic device is provided. The electronic device includes a flexible printed circuit board comprising a housing, a first printed circuit board disposed in an inner space of the housing, a second printed circuit board disposed so as to be spaced apart from the first printed circuit board, a connection part electrically connecting the first printed circuit board and the second printed circuit board and connected to the second printed circuit board, and a coupling part including a bent part extending from the connection part and capable of being at least partially bent.
1. An electronic device comprising: a housing; a printed circuit board disposed in the housing; and a flexible printed circuit board electrically connected with the printed circuit board, the flexible printed circuit board, in a top view thereof, including a connection part overlapped with and, at least partially, physically connected with the printed circuit board and a linkage part extended from the connection part, the flexible printed circuit board, including: a dielectric substrate; one or more first conductive layers disposed over the dielectric substrate in a first direction, the one or more first conductive layers including a first region in which, at least, a portion of the one or more first conductive layer is removed, the first region at least partially overlapped with the connection part; a first cover layer disposed over the one or more first conductive layers in the first direction; one or more second conductive layers disposed over the dielectric substrate in a second direction opposite to the first direction, the one or more second conductive layers including a second region in which, at least, a portion of the one or more second conductive layers is removed, the second region formed as spaced apart from the first region in a length direction of the linkage part; and a second cover layer disposed over the one or more second conductive layers in the second direction, wherein at least one conductive layer of the one or more first conductive layers or the one or more second conductive layers includes: a third region in which, at least, a portion of the at least one conductive layer is removed, the third region not overlapped with the connection part.
2. The electronic device of claim 1 , wherein the third region is formed as spaced apart from the first region and the second region in the length direction of the linkage part.
3. The electronic device of claim 1 , wherein the connection part includes:
a first set of one or more conductive terminals and a second set of one or more conductive terminals formed through the first cover layer as electrically connected with at least one of the one or more first conductive layers, the second set of one or more conductive terminals disposed at a greater distance from the second region than the first set of one or more conductive terminals.
4. The electronic device of claim 1 , wherein the first region and the second region form at least part of a first bending portion and a second bending portion of the flexible printed circuit board, respectively.
5. The electronic device of claim 1 ,
wherein the one or more first conductive layers includes a first copper portion and the one or more second conductive layers includes a second copper portion, and
wherein the first region and the second region are formed in the first copper portion and the second copper portion, respectively.
6. The electronic device of claim 1 , wherein the connection part includes a rigidity reinforcing layer disposed on the second cover layer.
7. The electronic device of claim 6 , wherein the rigidity reinforcing layer includes an epoxy member or a tape member applied to the second cover layer.
8. The electronic device of claim 1 , wherein the connection part includes a photosensitizer (PSR) layer disposed on the second cover layer.
9. A flexible printed circuit board including a connection part and a linkage part extended from the connection part, the flexible printed circuit board comprising: a dielectric substrate; one or more first conductive layers disposed over the dielectric substrate in a first direction, the one or more first conductive layers including a first region in which, at least, a portion of the one or more first conductive layer is removed, the first region at least partially overlapped with the connection part; a first cover layer disposed over the one or more first conductive layers in the first direction; one or more second conductive layers disposed over the dielectric substrate in a second direction opposite to the first direction, the one or more second conductive layers including a second region in which, at least, a portion of the one or more second conductive layers is removed, the second region formed as spaced apart from the first region in a length direction of the linkage part; and a second cover layer disposed over the one or more second conductive layers in the second direction, wherein at least one conductive layer of the one or more first conductive layers or the one or more second conductive layers includes: a third region in which, at least, a portion of the at least one conductive layer is removed, the third region not overlapped with the connection part.
10. The flexible printed circuit board of claim 9 , wherein the third region is formed as spaced apart from the first region and the second region in the length direction of the linkage part.
11. The flexible printed circuit board of claim 9 , wherein the connection part includes:
a first set of one or more conductive terminals and a second set of one or more conductive terminals formed through the first cover layer as electrically connected with at least one of the one or more first conductive layers, the second set of one or more conductive terminals disposed at a greater distance from the second region than the first set of one or more conductive terminals.
12. The flexible printed circuit board of claim 9 , wherein the first region and the second region form at least part of a first bending portion and a second bending portion of the flexible printed circuit board, respectively.
13. The flexible printed circuit board of claim 9 ,
wherein the one or more first conductive layers includes a first copper portion and the one or more second conductive layers includes a second copper portion, and
wherein the first region and the second region are formed in the first copper portion and the second copper portion, respectively.
14. The flexible printed circuit board of claim 9 , wherein the connection part includes a rigidity reinforcing layer disposed on the second cover layer.
15. The flexible printed circuit board of claim 14 , wherein the rigidity reinforcing layer includes an epoxy member or a tape member applied to the second cover layer.
16. The flexible printed circuit board of claim 9 , wherein the connection part includes a photosensitizer (PSR) layer disposed on the second cover layer.