TAUNTON, Mass., Dec. 10 -- The board of directors of flat-panel maker Kopin Corp. has approved a two-for-one stock split in the form of a stock dividend. The split is subject to approval by Kopin's stockholders of an increase in the number of authorized shares of company common stock from 20 million to 60 million.A special meeting will be held in Boston on December 15, 1999, for a vote on the proposed share increase by stockholders of record as of October 29, 1999. On or about December 29, 1999 -- provided the stock split is approved -- the transfer agent will mail certificates representing one additional share for each share held on the record date of December 20, 1999. The stock split would increase the number of Kopin shares outstanding from approximately 15 million to approximately 30 million.