Friday, February 20, 2015

Samsung Proposes Color Splitter

Samsung patent application US20150041940 "Image sensor and electronic device including the same" by Gae Hwang Lee, Kyu Sik Kim, and Yong Wan Jin proposes a micro color splitter instead of color filter in front of the pixels, somewhat similar to what Panasonic presented 2 years ago. Samsung's application shows nano-structures splitting the light:

Update: Incidentally, Nokia patent application US20150042850 "Apparatus and a method for imaging" by Radu Bilcu and Martin Schrader published almost simultaneously with the Samsung one. Nokia presents a hierarchical color splitter between different image sensors or parts of them:

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