BALA CYNWYD, Pa.--(BUSINESS WIRE)--Law office of Brodsky & Smith, LLC announces that it is investigating potential claims against the Board of Directors of Planar Systems, Inc. ("Planar” or "the Company") (Nasdaq: PLNR) for possible breaches of fiduciary duty and other violations of state law in connection with the sale of the Company to Leyard Optoelectronic Co., Ltd. (“Leyard”). Click here to learn more about the investigation http://brodsky-smith.com/971-plnr-planar-systems-inc.html, or