The story
The company was founded in 1995 by Silicon Valley engineers David Lee and Brian Underwood. In October 1999 it raised $46.8 million in an initial public offering.
March 2000: Silicon Image Inc. agreed to buy the closely held DVDO Inc. for $45 million in stock to add technology for digital televisions, DVD players and high-definition video
June 2001: acquired CMD Technology Inc., a provider of SCSI and Fibre Channel storage controllers for the UNIX, Open Systems and PC markets as well as a supplier of IDE/Ultra ATA semiconductors (including CMD064x chips) for the PC and embedded markets
January 2007: Silicon Image completes acquisition of Sci-worx GmbH
June 2007: Silicon Image shipped its 1 millionth DTV input processor
January 2009: Silicon Image wins Emmy Award for HDMI technology
December 2010: Silicon Image introduces ViaPort technology
February 2011: Silicon Image completes acquisition of Anchor Bay Technologies
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May 2011: Silicon Image completes acquisition of SiBEAM, Inc.
May 2011: Silicon Image unveils third-generation WirelessHD 60 GHz chipsets
August 2013: MHL Consortium announces new specification with major advancements for mobile and consumer electronics connectivity
September 2013: Silicon Image announces first 4K UltraHD MHL 3.0 receiver IC with HDCP 2.2 in support of secure premium content
March 2015: Silicon Image is acquired by Lattice Semiconductor for $600 million.
From Wikipedia’s article on Silicon Image, shared under CC BY-SA 4.0.6