Composite electronic component and board having the same

1. A composite electronic component comprising:

an interposer board; and

first and second electronic components mounted on upper and lower surfaces of the interposer board, respectively,

wherein the first and second electronic components are electrically connected to each other by an electrical connection part provided on the interposer board,

wherein the electrical connection part includes:

a pair of first terminal electrodes disposed on the upper surface of the interposer board; and

a pair of second terminal electrodes disposed on the lower surface of the interposer board to face the pair of first terminal electrodes, respectively, and

wherein the pair of first terminal electrodes and the pair of second terminal electrodes are electrically connected to each other.

2. The composite electronic component of claim 1 , wherein the electrical connection part further includes:

first and second via electrodes formed in the interposer board in a thickness direction of the interposer board to connect the pair of first terminal electrodes to each other and the pair of second terminal electrodes to each other, respectively.

3. The composite electronic component of claim 2 , wherein the first and second terminal electrodes are disposed to be adjacent to both side surfaces of the interposer board in a width direction of the interposer board, respectively,

the first electronic component includes first and second external electrodes extended from both side surfaces of the first electronic component in the width direction onto portions of a lower surface of the interposer so as to be connected to the first and second terminal electrodes, respectively, and

the second electronic component includes third and fourth external electrodes extended from both side surfaces of the second electronic component in the width direction onto portions of an upper surface of the second electronic component so as to be connected to the first and second terminal electrodes, respectively; and

fifth and sixth external electrodes disposed on both end portions of the second electronic component in a length direction of the second electronic component.

4. The composite electronic component of claim 1 , wherein the electrical connection part further includes:

first and second groove portions formed in both side surfaces of the interposer board in the length direction so that upper and lower portions of the first and second groove portions are open; and

first and second connection conductors disposed on the first and second groove portions,

wherein the pair of first terminal electrodes being connected to each other by the first connection conductor and the pair of second terminal electrodes being connected to each other by the second connection conductor.

5. The composite electronic component of claim 4 , wherein the first electronic component includes first and second external electrodes extended from both side surfaces of the first electronic component in the width direction onto portions of a lower surface of the first electronic component so as to be connected to the first and second terminal electrodes, respectively, and

the second electronic component includes third and fourth external electrodes extended from both side surfaces of the second electronic component in the width direction onto portions of an upper surface of the second electronic component so as to be connected to the first and second terminal electrodes, respectively; and

fifth and sixth external electrodes disposed on both end portions of the second electronic component in the length direction.

6. The composite electronic component of claim 1 , wherein the electrical connection part further includes:

first and second groove portions formed in both end portions of the interposer board in the length direction so that upper and lower portions of the first and second groove portions are open; and

first and second connection conductors disposed on the first and second groove portions,

wherein the pair of first terminal electrodes being connected to each other by the first connection conductor and the pair of second terminal electrodes being connected to each other by the second connection conductor.

7. The composite electronic component of claim 6 , wherein the first electronic component includes first and second external electrodes extended from both end portions of the first electronic component in the length direction onto portions of a lower surface of the first electronic component so as to be connected to the first and second terminal electrodes, respectively, and

the second electronic component includes third and fourth external electrodes extended from both end surfaces of the second electronic component in the length direction onto portions of an upper surface of the second electronic component so as to be connected to the first and second terminal electrodes, respectively, and fifth and sixth external electrodes disposed on both side surfaces of the second electronic component in the width direction, respectively.

8. The composite electronic component of claim 1 , wherein the first and second electronic components are connected to the electrical connection part by a conductive adhesive.

9. The composite electronic component of claim 1 , wherein the first electronic component is an inductor, and the second electronic component is a capacitor.

10. The composite electronic component of claim 1 , wherein the first electronic component is a capacitor, and the second electronic component is an inductor.

11. A board having a composite electronic component, the board comprising:

a circuit board on which a land pattern are formed; and

the composite electronic component mounted on the land pattern,

wherein the composite electronic component includes:

an interposer board; and

first and second electronic components mounted on upper and lower surfaces of the interposer board, respectively,

the first and second electronic components being electrically connected to each other by an electrical connection part provided on the interposer board,

wherein the electrical connection part includes:

a pair of first terminal electrodes disposed on the upper surface of the interposer board; and

a pair of second terminal electrodes disposed on the lower surface of the interposer board to face the pair of first terminal electrodes, respectively, and

wherein the pair of first terminal electrodes and the pair of second terminal electrodes are electrically connected to each other.

12. The board of claim 11 , wherein in the composite electronic component, the electrical connection part further includes:

first and second via electrodes formed in the interposer board in a thickness direction of the interposer board to connect the pair of first terminal electrodes to each other and the pair of second terminal electrodes to each other, respectively.

13. The board of claim 12 , wherein in the composite electronic component, the first and second terminal electrodes are disposed to be adjacent to both side surfaces of the interposer board in a width direction of the interposer board, respectively; the first electronic component includes first and second external electrodes extended from both side surfaces of the first electronic component in the width direction onto portions of a lower surface of the first electronic component so as to be connected to the first and second terminal electrodes, respectively; and the second electronic component includes third and fourth external electrodes extended from both side surfaces of the second electronic component in the width direction onto portions of an upper surface of the second electronic component so as to be connected to the first and second terminal electrodes, respectively, and fifth and sixth external electrodes disposed on both end portions of the second electronic component in a length direction of the second electronic component.

14. The board of claim 13 , wherein the land pattern of the circuit board includes:

a first land pattern connected to the fifth external electrode of the second electronic component;

a second land pattern simultaneously connected to the third and sixth external electrodes of the second electronic component; and

a third land pattern connected to the fourth external electrode of the second electronic component.

15. The board of claim 11 , wherein in the composite electronic component, the electrical connection part further includes:

first and second groove portions formed in both side surfaces of the interposer board in the width direction so that upper and lower portions of the first and second groove portions are open; and

first and second connection conductors disposed on the first and second groove portions,

wherein the pair of first terminal electrodes being connected to each other by the first connection conductor and the pair of second terminal electrodes being connected to each other by the second connection conductor.

16. The board of claim 15 , wherein in the composite electronic component, the first electronic component includes first and second external electrodes extended from both side surfaces of the first electronic component in the width direction onto portions of a lower surface of the first electronic component so as to be connected to the first and second terminal electrodes, respectively, and the second electronic component includes third and fourth external electrodes extended from both side surfaces of the second electronic component in the width direction onto portions of an upper surface of the second electronic component so as to be connected to the first and second terminal electrodes, respectively, and fifth and sixth external electrodes disposed on both end portions of the second electronic component in the length direction.

17. The board of claim 16 , wherein the land pattern of the circuit board includes:

a first land pattern connected to the fifth external electrode of the second electronic component;

a second land pattern simultaneously connected to the third and sixth external electrodes of the second electronic component; and

a third land pattern connected to the fourth external electrode of the second electronic component.

18. The board of claim 11 , wherein in the composite electronic component, the electrical connection part further includes: first and second groove portions formed in both end portions of the interposer board in the length direction so that upper and lower portions of the first and second groove portions are open; and first and second connection conductors disposed on the first and second groove portions, wherein the pair of first terminal electrodes being connected to each other by the first connection conductor and the pair of second terminal electrodes being connected to each other by the second connection conductor.

19. The board of claim 18 , wherein in the composite electronic component, the first electronic component includes first and second external electrodes extended from both end portions of the first electronic component in the length direction onto portions of a lower surface of the first electronic component so as to be connected to the first and second terminal electrodes, respectively, and the second electronic component includes third and fourth external electrodes extended from both end portions of the second electronic component in the length direction onto portions of an upper surface of the second electronic component so as to be connected to the first and second terminal electrodes, respectively; and fifth and sixth external electrodes disposed on both side surfaces of the second electronic component in the width direction.

20. The board of claim 19 , wherein the land pattern of the circuit board includes:

a first land pattern connected to the third external electrode of the second electronic component;

a second land pattern simultaneously connected to the fourth and sixth external electrodes of the second electronic component; and

a third land pattern connected to the fifth external electrode of the second electronic component.