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US 11,641,781 B2Granted
Display apparatus
AssigneeLG Electronics Inc.
InventorJongha Park
Life of this patent
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Abstract
A display apparatus is disclosed. The display apparatus includes a display panel, a piezoelectric vibration unit attached to a rear surface of the display panel, and a member attached to at least one of a rear surface of the piezoelectric vibration unit and a portion of the rear surface of the display panel that surrounds the piezoelectric vibration unit. The display apparatus includes a display panel, a damping member attached to a rear surface of the display panel, and a piezoelectric vibration unit attached to a rear surface of the damping member.
Claims24
A display apparatus comprising:
- a display panel;
- at least one piezoelectric vibration unit comprising a first side coupled to a rear side of the display panel;
- a member attached to at least a second side of the piezoelectric vibration unit opposite the first side or a portion of the rear side of the display panel surrounding the piezoelectric vibration unit;
- and
- a damping member attached to the rear side of the display panel;
- wherein the piezoelectric vibration unit is coupled to the display panel via the damping member interposed between the piezoelectric vibration unit and the display panel,
- wherein the damping member comprises:
- a first adhesive layer attached to the display panel;
- a second adhesive layer attached to the piezoelectric vibration unit;
- and
- a damping layer between the first adhesive layer and the second adhesive layer and comprising two or more layers formed of two or more different materials.
8 more elements
Dependencies are inferred from the claim text.