Fujifilm is talking about organic sensor from past three months, fuji said its interchangeable lens camera will surpass the 35mm full size. According to latest rumors the new fujifilm Mirrorless will have a new organic APS-C sensor. The patent details are published by egami today,
Patent literature, self-interpretation and summary (Translated by google)
- Patent Publication No. 2011-253861
- Published 2011.12.15
- Filing date 2010.5.31
- Known art
- Silicon way to isolate the difference in the depth of color
- So-called Foveon ‘s tiered
- Overlap the absorption range of RGB, color separation is poor
- Organic imaging device
- Has published a variety of techniques
- There is no good technical performance
- Silicon way to isolate the difference in the depth of color
- Fujifilm’s patents
- BGR photoelectric conversion layer
- The first electrode, electron blocking layer, merocyanine dyes, hole blocking layer, a second electrode that order
- Absorption maximum wavelength in the visible region of the merocyanine dye in solution is in the range 400-520nm (blue)
- Wet deposition method to deposit or dry deposition method
- Pixel size
- Preferably 3 ~ 8um
- Than 20nm resolution is poor
- Less than 2um is likely to decrease the interference resolution
- OLPF unnecessary
See the Fujifilm Research Paper PDF, published in 2010, with the title: “Proposal of new organic CMOS image sensor for reduction in pixel size”. The abstract says: “We experimentally made trial products of the proposed sensor, verified their potential capability, and proved the validity of the organic CMOS sensor”.
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