Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
July 28, 2009
Patent Application Number
11222694
Date Filed
September 9, 2005
Patent Primary Examiner
Patent abstract
Image sensors and methods of fabricating the same are provided. The image sensor includes a blocking pattern disposed on photodiodes. The blocking pattern is formed of insulation material having a metal diffusion coefficient which is lower than a silicon oxide diffusion coefficient. Therefore, dark defects of the image sensor are reduced. In addition, the image sensor includes a color-ratio control layer. The color ratio control layer controls color ratios between the sensitivities to blue, green and red. As a result, color distinction of the picture that is embodied by the image sensor can be improved.
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