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Anti-blooming pixel sensor cell with active neutral density filter, methods of manufacture, and design structure

  • US 8,618,588 B2
  • Filed: 10/29/2010
  • Issued: 12/31/2013
  • Est. Priority Date: 10/29/2010
  • Status: Expired due to Fees
First Claim
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1. A method of preventing blooming in a pixel array, comprising:

  • affecting an amount of light that impinges on a photoelectric conversion element by adjusting a transmissivity of an electrochromic element based on an output of the photoelectric conversion element, wherein the adjusting the transmissivity of the electrochromic element comprises turning the electrochromic element opaque prior to the photoelectric conversion element becoming saturated.

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