Power supply device and electronic device comprising the same

Patent metadata

Field	Value
Publication number	US-2018228021-A1
Application number	US-201815883253-A
Country	US
Kind code	A1
Filing date	Jan 30, 2018
Priority date	Feb 6, 2017
Publication date	Aug 9, 2018
Grant date	—

Abstract

A power supply device includes a first power module including a first printed circuit board in which a first protrusion part is formed along a first side surface of the first printed circuit board facing a first direction, a second power module including a second printed circuit board in which a first groove is formed along a second side surface of the printed circuit board facing the first side surface of the first printed circuit board in a second direction, and a third power module including a third printed circuit board electrically connecting the first printed circuit board and the second printed circuit board. The first protrusion part is inserted into the first groove to physically connect the first printed circuit board to the second printed circuit board.

First claim

What is claimed is:

1 . A power supply device comprising:
a first power module comprising a first printed circuit board comprising a first protrusion part formed along a first side surface of the first printed circuit board facing a first direction; a second power module comprising a second printed circuit board comprising a first groove formed along a second side surface of the second printed circuit board facing the first side surface of the first printed circuit board in a second direction; and a third power module comprising a third printed circuit board configured to electrically connect the first printed circuit board and the second printed circuit board, wherein the first protrusion part is configured to be inserted into the first groove to physically connect the first printed circuit board to the second printed circuit board.

2 . The power supply device of claim 1 , wherein the first groove is formed in an oblique direction with respect to an upper surface or a lower surface of the second printed circuit board.

3 . The power supply device of claim 1 , wherein the first printed circuit board is a single-layer printed circuit board,
wherein the second printed circuit board is a multilayer printed circuit board, and wherein the third printed circuit board is a single-layer printed circuit board.

4 . The power supply device of claim 1 , wherein a dummy pattern having strength higher than specified strength is formed on at least one of an upper portion and a lower portion of the first groove inside the second printed circuit board.

5 . The power supply device of claim 1 , wherein the third power module comprises:
at least one capacitor disposed on the third printed circuit board and configured to reduce electromagnetic interference (EMI).

6 . The power supply device of claim 1 , wherein the first power module comprises:
at least one light emitting diode (LED) disposed on the first printed circuit board and configured to turn on or off based on an operating state of the first power module, and wherein the second power module comprises: at least one LED disposed on the second printed circuit board and configured to turn on or off based on an operating state of the second power module.

7 . The power supply device of claim 1 , further comprising:
a fixing member coupled to the first printed circuit board and the second printed circuit board and configured to fixedly hold the first printed circuit board and the second printed circuit board.

8 . The power supply device of claim 1 , further comprising:
a first connection member comprising a first conductive material and configured to electrically connect the first printed circuit board and the third printed circuit board; and a second connection member comprising a second conductive material and configured to electrically connect the second printed circuit board and the third printed circuit board.

9 . The power supply device of claim 1 , further comprising:
a fourth power module comprising a fourth printed circuit board comprising a second protrusion part formed along a fourth side surface of the fourth printed circuit board facing a third side surface of the second printed circuit board, wherein the second printed circuit board further comprises a second groove formed along the third side surface facing a direction different from the second direction faced by the second side surface of the second printed circuit board, and wherein the second protrusion part is configured to be inserted into the second groove to connect the fourth printed circuit board to the second printed circuit board.

10 . The power supply device of claim 9 , wherein the fourth printed circuit board is a single-layer printed circuit board.

11 . A power supply device comprising:
a first power module comprising a first printed circuit board comprising a plurality of first fixing pins on a first surface of the first printed circuit board facing a first direction; and a second power module comprising a second printed circuit board comprising a plurality of first recesses formed on a second surface of the second printed circuit board facing the first surface of the first printed circuit board in a second direction, wherein one or more of the plurality of first fixing pins is configured to be inserted into one or more of the plurality of first recesses, respectively, to electrically connect the first printed circuit board to the second printed circuit board.

12 . The power supply device of claim 11 , wherein the first power module comprises:
a first housing member surrounding a periphery of the first power module and configured to house the first power module, and wherein the second power module comprises: a second housing member surrounding a periphery of the second power module and configured to house the second power module.

13 . The power supply device of claim 11 , wherein the first printed circuit board is a single-layer printed circuit board, and
wherein the second printed circuit board is a multilayer printed circuit board.

14 . The power supply device of claim 11 , wherein the one or more of the plurality of first fixing pins has a first height,
wherein the one or more of the plurality of first recesses is formed over an area from a first point of the second surface to a second point of the second surface, wherein the one or more of the plurality of first recesses has a second height at the first point, the second height being higher than the first height, and wherein the one or more of the plurality of first recesses has a third height at the second point, the third height being lower than the first height.

15 . The power supply device of claim 14 , wherein the one or more of the plurality of first fixing pins is configured to be respectively inserted into the one or more of the plurality of first recesses from the first point to fix the one or more of the plurality of first fixing pins at a third point between the first point and the second point.

16 . The power supply device of claim 11 , wherein the first power module comprises:
at least one LED disposed on the first printed circuit board and configured to turn on or off based on an operating state of the first power module, and wherein the second power module comprises: at least one LED disposed on the second printed circuit board and configured to turn on or off based on an operating state of the second power module.

17 . The power supply device of claim 11 , further comprising:
a third power module comprising a third printed circuit board comprising a plurality of second recesses formed on a fourth surface of the third printed circuit board facing a third surface of the second printed circuit board, wherein the second printed circuit board further comprises a plurality of second fixing pins formed on the third surface facing a direction different from the second direction faced by the second surface of the second printed circuit board, and wherein one or more of the plurality of second fixing pins is configured to be respectively inserted into one or more of the plurality of second recesses to electrically connect to the third printed circuit board to the second printed circuit board.

18 . The power supply device of claim 17 , wherein the third printed circuit board is a multilayer printed circuit board.

19 . An electronic device comprising:
a housing member configured to house the electronic device; a display exposed to the outside through the housing member; and a powe

Assignees

• Samsung Electronics Co Ltd

Inventors

• Kang Shin Ho
• Joo Sung Yong
• Lee Yong Joo

Classifications

• H05K2203/176

  Removing, replacing or disconnecting component; Easily removable component · CPC title

• H05K2201/09081

  Tongue or tail integrated in planar structure, e.g. obtained by cutting from the planar structure · CPC title

• H05K1/142

  Arrangements of planar printed circuit boards in the same plane, e.g. auxiliary printed circuit insert mounted in a main printed circuit · CPC title

• H05K1/141

  One or more single auxiliary printed circuits mounted on a main printed circuit, e.g. modules, adapters (H05K1/142 and H05K1/147 take precedence) · CPC title

• H05K2201/10106

  Light emitting diode [LED] · CPC title