Hugo Gaggion, Sony Broadcast & Professional Solutions CTO, presented 2K/4K roadmap at NYC 2010 HD World show in mid-October. Sony published a video of this presentation discussing color filter pattern innovations, among many other things.
The previous generation of Sony CineAlta CCD-based Super 35mm cameras used linear RGB pattern:
To maintain the high resolution in green in all directions, including diagonal one, Sony proposes a new Q67 pattern for new 4K camera systems:
Bayer Pattern can produce a lot of artifacts:
Sony Q67 pattern produces less color artifacts:
Eventually Sony plans to switch over to full-color 4K sensors:
The competitive landscape on Super 35mm camera market, as Sony sees it:
Thanks to A.A. for sending me the link!