Himax quarterly earnings report updates on the company's image sensor business:
"Himax’s CMOS image sensors also experienced a down quarter since 4G smartphone adoption in China remained weak. The lack of smartphone replacement demand hurt the shipments of Himax’s high end product offerings. The Company is optimistic of the possibility of securing significant design-wins in the second half of the year with its 8-megapixel and 13-megapixel sensors."
From the company's May 2015 presentation: