Omnivision Improves its Gross Margin to 31.37%

BlueChipCorporateReview quotes some data from Will Semiconductor quarterly report:

• Omnivision's business accounts for 74% of Will Semi revenue
• Omnivision and Superpix subsidiaries account for 77% of the total Will Semi revenue
• CMOS sensors gross profit margin have risen to 31.37% in 2021
• The cost structure of the company's CMOS image sensor:
  55.09% - wafer cost
  6.01% - color filters
  10.19% - packaging and testing
  1.4% - other expenses
  This does not add up to 100%. Not sure why.
• Camera module cost structure:
  52% - image sensor
  20% - lens
  19% - module packaging
  6% - motors
  3% - IR filter