| 摘要 |
PURPOSE: A pixel alignment part of an image sensor keep the characteristics of an image sensor uniformly regardless of the change of use environments, thereby extending the application of the image sensor. CONSTITUTION: A pixel alignment part of an image sensor includes first pixel groups(20) having unit pixels of NxM(N,M are natural numbers), second pixel groups(21) such as shield pixel array lines disposed at both sides of the first pixel groups in the row direction, and third pixel groups(22) disposed between the first and second pixel groups and outside the second pixel groups. The first pixel groups is to be core pixel array lines. The second pixel groups calculate an offset value for black level for the pixels, wherein the offset value is an average value for the offset values of the entire pixels of the second pixel groups. The third pixel groups block the incident light for the second pixel groups and include dummy pixel array lines but not address.
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