Semiconductor Energy Laboratory Co. v. Chi Mei Optoelectronics Corp.

MEMORANDUM & ORDER

Re: Motions for Summary Judgment

Plaintiff Semiconductor Energy Laboratory Company Ltd. (“SEL”) brought this patent infringement action against defendant Chi Mei Optoelectronics Corp. (“CMO”) et al., alleging infringement of four United States patents related generally to the design and manufacture of liquid crystal display (“LCD”) devices. Two patents in suit currently remain. Now before the court are the parties’ motions for summary judgment. Having considered the parties’ arguments and submissions, and for the reasons set forth below, the court enters the following memorandum and order.

BACKGROUND

An overview of the relevant technology and summaries of the asserted patents are provided in this court’s Claim Construction Order. Docket Entry 111 at 1-6 (hereinafter “Claim Construction Order”). SEL filed this action on November 3, 2004, alleging that CMO had infringed and was infringing various patents. On August 11, 2006 the parties filed a stipulation dismissing with prejudice all claims regarding U.S. Patent No. 5,995,189 . April 19, 2007 this court entered an order granting summary judgment of noninfringement of U.S. Patent No. 4,691,995 (“the '995…