Image display device integrated with antenna and antenna for image display device
An image display device according to an embodiment of the present invention includes a printed circuit board, an antenna mounted on the printed circuit board, a display panel disposed on the printed circuit board, and a transmission line disposed on the display panel and electrically connected to the antenna. The transmission line is disposed on the display panel to shorten a signal path and reduce noises.
1. An image display device, comprising:
a printed circuit board;
an antenna mounted on the printed circuit board;
a display panel disposed on the printed circuit board
a transmission line disposed on the display panel and electrically connected to the antenna; and
a connection structure electrically connecting the transmission line and the antenna with each other.
2. The image display device according to claim 1 , further comprising an electronic device mounted on the printed circuit board.
3. The image display device according to claim 2 , wherein the electronic device comprises a display driving integrated circuit (IC) chip and a memory device.
4. The image display device according to claim 2 , wherein the electronic device and the antenna are mounted on the same surface of the printed circuit board.
5. The image display device according to claim 1 , wherein the connection structure comprises a flexible printed circuit board (FPCB).
6. The image display device according to claim 1 , wherein image display device comprises a display area and a peripheral area; and
the connection structure is connected to an end portion of the transmission line, and extends toward the printed circuit board through the peripheral area to be connected to the antenna.
7. The image display device according to claim 1 , wherein the antenna comprises a plurality of antennas electrically connected to each other via the connection structure and the transmission line.
8. The image display device according to claim 1 , wherein the transmission line includes a mesh structure.
9. The image display device according to claim 8 , further comprising a dummy pattern disposed around the transmission line, the dummy pattern including a mesh structure which is the same as that of the transmission line.
10. The image display device according to claim 1 , further comprising a dielectric layer disposed between the display panel and the transmission line.
11. The image display device according to claim 10 , wherein the transmission line comprises:
a pair of ground lines; and
a signal line interposed between the pair of ground lines.
12. The image display device according to claim 10 , further comprising a ground layer disposed on a bottom surface of the dielectric layer.
13. The image display device according to claim 12 , wherein the display panel comprises a thin film transistor array substrate, a display layer and an electrode serving as the ground layer.
14. The image display device according to claim 1 , further comprising:
an upper encapsulation layer disposed on the transmission line; and
a window substrate disposed on the upper encapsulation layer.
15. The image display device according to claim 1 , wherein the antenna and the transmission line are disposed at different levels from each other with respect to the display panel.
16. An image display device, comprising:
a printed circuit board;
an antenna mounted on the printed circuit board;
a display panel disposed on the printed circuit board;
a dielectric layer disposed on the display panel; and
a transmission line disposed on a top surface of the dielectric layer and electrically connected to the antenna, the transmission line comprising a pair of ground lines and a signal line interposed between the ground lines.
17. The image display device according to claim 16 , further comprising a ground layer disposed on a bottom surface of the dielectric layer.