Denso Corporation

Akira Wada

Noriyuki Matsushita

Shotaro Miyawaki

Hiroki Sasaki

Kazuhiro Aoyama

Kouji Satou

Satoru Wakiyama

A camera module is configured to capture an optical image of a target area and includes a lens member, an imager, a light transmitting member, and a seat. The lens member is configured to receive light from the target area. The imager has a curved portion convex in a direction away from the lens member and is configured to capture the optical image formed on the curved portion. The light transmitting member optically couples the lens member and the imager. The seat has a supporting portion that supports an outer rim of the imager and a fluid space defined inside the supporting portion. A heat dissipation fluid undergoes convection in the fluid space. The curved portion is interposed between the light transmitting member and the seat having the supporting portion and the fluid space.

Camera module having curved imager

A piezoelectric element includes a first electrode having a film shape and provided on a base portion, a second electrode having a film shape and opposed to the first electrode on an opposite side of the first electrode from the base portion, a piezoelectric film interposed between the first electrode and the second electrode and partially covered with the second electrode, and an insulation film covering the second electrode and the piezoelectric film with extending over at least a part of an outer edge of the second electrode. The insulation film may cover a whole of the outer edge of the second electrode without covering an inner region of the second electrode. Accordingly, a withstand voltage of the piezoelectric film can be increased.

Piezoelectric element

Growing community of inventors

Chiryu, Japan

Akira Wada