Diaphragm with exciter, and vehicle window glass

An exciter-attached diaphragm, comprising:

• a glass plate;
• an exciter attached on a main surface side of the glass plate and configured to vibrate the glass plate;
• and
• a vibration damping member located on a periphery of the exciter, surrounding at least a part of the exciter, and attached on the main surface side in a plan view of the glass plate, wherein
• the vibration damping member comprises a vibration attenuation layer and a vibration damping material laminated from the main surface side of the glass plate,
• the exciter is disposed apart from the vibration damping member, and
• the exciter has a T-shaped cross section or an inverted L-shaped cross section, and
• in the plan view of the glass plate, a part of the exciter and at least a part of the vibration damping member are disposed so as to overlap each other with a gap therebetween.