Talking about China-based CIS companies, recently Superpix announced its first 1.75um pixel design - the 2MP SP2518. Galaxycore announced its second generation 1.75um pixel sensor the GC2015. The first generation one was announced a year ago.
Meanwhile, the third China's image sensor company, Brigates, launches its first sensor targeting high end security cameras, the MCCD-BG0601. Its IR sensitivity is said to be 3 times of that of CCDs. The D1 (PAL) resolution sensor uses 8.3um x 8.6um pixels.
Update: Credit Suisse report from Nov. 15 gives some more data about Galaxycore sales, #4 in China's biggest fabless companies list:
"In the CMOS image sensor market, SMIC’s key customer – GalaxyCore (private) – shipped around 600 mn units in 2011, an increase of 70% from 350 mn units in 2010. The majority of GalaxyCore’s CIS has resolution is under 2Mpixels and it mainly serves the China feature phone market and is preparing for higher-pixel products for the booming smartphone market."
