LG Display Co., Ltd.
Speaker and display apparatus including the same

Abstract:

A speaker includes: a vibration plate, a piezoelectric member on a surface of the vibration plate, and a first adhesive member between the vibration plate and the piezoelectric member, wherein: the piezoelectric member is a unimorph piezoelectric member, and the first adhesive member has a high elastic modulus, or the piezoelectric member is a bimorph piezoelectric member, and the first adhesive member has a low elastic modulus.