Display device
The present disclosure relates to a display device which includes a cover window; a display panel disposed under the cover window; at least one plate disposed under the display panel; a vibration bracket attached to a lower portion of the at least one plate; and a vibration film attached to a lower portion of the vibration bracket, wherein the vibration bracket includes a leg protruding upward. A leg structure of the vibration bracket can reinforce vibrations in a depth direction, and a bridge structure can reinforce vibrations in a planar direction. A user may experience an in-depth haptic response and sound. The display device according to the present disclosure may be applied to a display for a vehicle.
1 . A display device comprising:
a cover window;
a display panel disposed under the cover window;
at least one plate disposed under the display panel;
a vibration bracket attached to a lower portion of the at least one plate;
a plurality of vibration films attached to a lower portion of the vibration bracket; and
a plurality of connectors electrically connecting the vibration film with a control board;
wherein the vibration bracket includes a leg protruding upward,
wherein the vibration bracket further includes a plurality of bridges extending from the leg and disposed between the plurality of vibration films adjacent to each other, and
wherein the vibration film includes a plurality of vibration films at one side of the display device which are commonly connected to one first connector of the plurality of connectors and a plurality of vibration films at the other side of the display device which are commonly connected to one second connector of the plurality of connectors.
2 . The display device of claim 1 , wherein the leg includes a first leg disposed at one side of the display device and a second leg disposed at the other side thereof.
3 . The display device of claim 1 , wherein a separation space is formed between a horizontal part of the vibration bracket and the at least one plate.
4 . The display device of claim 3 , further comprising a piezoelectric material disposed in the separation space.
5 . The display device of claim 3 , wherein the horizontal part includes a plurality of horizontal parts including a first horizontal part and a second horizontal part, and
the vibration film is attached to each of the plurality of horizontal parts.
6 . The display device of claim 1 , wherein the at least one plate includes a first plate disposed under the display panel and a second plate disposed under the first plate, and
the second plate is made of a metal material.
7 . The display device of claim 6 , wherein the second plate and the vibration bracket are directly attached through a bonding material.
8 . The display device of claim 1 , further comprising a first terminal connected to the vibration film and a second terminal connected to a control board.
9 . The display device of claim 8 , wherein the number of first terminals is larger than the number of second terminals.
10 . The display device of claim 8 , wherein the number of first terminals is the same as the number of second terminals.
11 . The display device of claim 8 , wherein some of the plurality of connectors overlap each other.
12 . The display device of claim 11 , wherein a number of the connectors is the same as a number of the first terminals and a number of the second terminals.
13 . The display device of claim 1 , wherein the vibration bracket includes a plurality of brackets including a first bracket and a second bracket.
14 . The display device of claim 13 , wherein the vibration film includes a plurality of vibration films attached to the first bracket and a plurality of vibration films attached to the second bracket.
15 . The display device of claim 1 , wherein the vibration film includes an anode, a cathode, and piezoelectric ceramic between the anode and the cathode.
16 . The display device of claim 1 , wherein the vibration film includes a plurality of vibration films attached to one vibration bracket.
17 . The display device of claim 1 , wherein the first connector and the second connector are connected to one control board through a second terminal.
18 . A display device comprising:
a cover window;
a display panel disposed under the cover window;
at least one plate disposed under the display panel;
a vibration bracket attached to a lower portion of the at least one plate; and
a plurality of vibration films attached to a lower portion of the vibration bracket,
wherein the vibration bracket includes a leg protruding upward,
wherein the vibration bracket further includes a plurality of bridges extending from the legs and disposed between the plurality of vibration films adjacent to each other,
wherein the vibration bracket further includes a horizontal part to which the vibration film is attached, and
wherein the leg includes a first leg that protrudes upward from one side of the horizontal part and a second leg that protrudes upward from the other side of the horizontal part.