DISPLAY DEVICE
First Claim
Patent Images
1. A display device, comprising:
- a display panel configured to display an image;
a backlight unit disposed on a rear surface of the display panel; and
a rear chassis including;
a first protruding region protruded in a rear direction;
a first vibration plate; and
at least one first acoustic element disposed in the vibration plate,wherein the at least one first acoustic element includes a first electrode, a second electrode facing the first electrode, and a vibration material layer provided between the first and second electrodes, andwherein the first protruding region and the first vibration plate are made of different materials.
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Abstract
A display device is provided. The display device includes a display panel, a backlight unit, and a rear chassis. The display panel is configured to display an image. The backlight unit is provided on a rear surface of the display panel. The rear chassis includes a protruding region, a vibration plate, and at least one acoustic element. The protruding region is protruded in a rear direction. The at least one acoustic element is provided in the vibration plate and includes a pair of electrodes and a vibration material layer provided therebetween. The protruding region and the vibration plate are made of different materials.
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Citations
20 Claims
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1. A display device, comprising:
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a display panel configured to display an image; a backlight unit disposed on a rear surface of the display panel; and a rear chassis including; a first protruding region protruded in a rear direction; a first vibration plate; and at least one first acoustic element disposed in the vibration plate, wherein the at least one first acoustic element includes a first electrode, a second electrode facing the first electrode, and a vibration material layer provided between the first and second electrodes, and wherein the first protruding region and the first vibration plate are made of different materials. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A rear chassis in a display device, comprising:
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a vibration plate; a protruding region having a first sub protruding region and a second protruding region protruded in the first sub protruding region; and at least one acoustic element disposed in the vibration plate, wherein the at least one acoustic element includes; a first electrode through which the at least acoustic element is disposed in the vibration plate, a vibration material layer disposed on the first electrode; a second electrode disposed on the vibration material layer; and an electrode pad spaced apart from the second electrode, wherein the electrode pad is disposed on the vibration material layer, and is connected to the first electrode through a side of the vibration material layer.
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Specification