JP2011250325A5 - - Google Patents

Description

An imaging device according to the present invention is an imaging device having a solid-state imaging device including a plurality of pixels arranged in a two-dimensional array on a semiconductor substrate, and the plurality of pixels detect a phase difference in one direction. Pixel addition means for driving and controlling the solid-state imaging device and adding a detection signal for each of the plurality of pixels , the pixel addition means other than the phase difference detection pixels The pixel is subjected to the addition between the pixels, the phase difference detection pixel is subjected to the addition between the phase difference detection pixels, and an addition target pixel of one phase difference detection pixel of the pair is determined as the pair. The above addition is performed as the other phase difference detection pixel .

The drive control method for an image pickup apparatus according to the present invention is a drive control method for an image pickup apparatus having a solid-state image pickup device including a plurality of pixels arrayed in a two-dimensional array on a semiconductor substrate. A pixel addition step that includes a pair of closest phase difference detection pixels for detecting a phase difference in a direction, drives the solid-state imaging device, and adds a detection signal for each of the plurality of pixels, the pixel addition step Then, the pixels other than the phase difference detection pixels are subjected to the addition between the pixels, the phase difference detection pixels are subjected to the addition between the phase difference detection pixels, and one phase difference detection of the pair is performed. The addition is performed using the pixel to be added as the other phase difference detection pixel of the pair .

Claims (14)

An imaging apparatus having a solid-state imaging device comprising a plurality of pixels arranged in a two-dimensional array on a semiconductor substrate,
The plurality of pixels includes a pair of closest phase difference detection pixels for detecting a phase difference in one direction,
Pixel addition means for controlling the driving of the solid-state imaging device and adding a detection signal for each of the plurality of pixels ;
The pixel adding means performs the addition between the pixels other than the phase difference detection pixel, performs the addition between the phase difference detection pixels for the phase difference detection pixel, and one of the pairs An imaging apparatus that performs the addition using the addition target pixel of the phase difference detection pixel of the other phase difference detection pixel as the other phase difference detection pixel of the pair . The imaging apparatus according to claim 1,
An imaging apparatus including an image processing unit that generates a subject image using a signal after addition of detection signals of each pair of the phase difference detection pixels. The imaging device according to claim 1 or 2 , wherein a plurality of ranging areas are provided at discrete positions on a light receiving surface of the solid-state imaging element, and a part of the pixels in each ranging area is provided. An imaging device in which the phase difference detection pixels are disposed only. 4. The imaging apparatus according to claim 1, wherein the phase difference detection pixel is configured by shifting a light shielding film opening or a micro lens to one of left and right. 5. The imaging apparatus according to claim 4, first the phase difference detecting pixels, the second of said phase difference detection pixels and said pairs are shifted to the other of the left and right shifted into one of the right and left And the phase difference detection pixels are arranged on the light receiving surface of the solid-state imaging device in units of the pairs. 6. The imaging device according to claim 5 , wherein the plurality of pixels are arranged such that even rows of pixels are shifted by 1/2 pixel pitch with respect to odd rows of pixels, and three primary colors with respect to the odd rows of pixels. An image pickup apparatus in which three color filters are arranged in a Bayer array and three primary color color filters are arranged in a Bayer array for the pixels in the even-numbered rows. 7. The image pickup apparatus according to claim 6 , wherein the pixel addition means uses two pixels that are diagonally nearest to each other having a color filter of the same color as a pixel addition unit, and a plurality of pixel addition units of the same color arranged in the vertical direction. An imaging apparatus that performs pixel addition of n (n = 2, 3,...) Multiples of two pixels by adding pixel signals. The imaging apparatus according to claim 6 , wherein two diagonally adjacent pixels having a color filter of the same color are used as a pixel addition unit, and the pair of the two adjacent phase difference detection pixels diagonally adjacent to each other, An imaging apparatus in which two pairs of the phase difference detection pixels adjacent to each other in the vertical direction are set as one set, and a plurality of the sets are checkered on the light receiving surface of the solid-state imaging device. 6. The imaging apparatus according to claim 5 , wherein the plurality of pixels are arranged in a square lattice pattern, and color filters of three primary colors are Bayer arranged for each pixel. 10. The imaging device according to claim 9 , wherein the pixel addition unit uses two pixels closest in the vertical direction having a color filter of the same color as a pixel addition unit, and a plurality of pixel addition units of the same color arranged in the horizontal direction. An imaging apparatus that performs pixel addition of n (n = 2, 3,...) Multiples of two pixels by adding pixel signals. 10. The imaging device according to claim 9 , wherein two pairs of the phase difference detection pixels that are closest to each other in the vertical direction and two pairs of the phase difference detection pixels that are closest to the pair in the horizontal direction are combined into one set. An imaging apparatus in which a plurality of the sets are arranged in a checkered pattern on the light receiving surface of the solid-state imaging device. The solid-state image sensor mounted in the imaging device of any one of Claim 1 thru | or 11 . 13. The solid-state imaging device according to claim 12 , wherein a unit is an n × m (n, m is a positive integer) pixel range that is added when the addition of a plurality of pixels is performed according to a predetermined rule. A phase difference detection group in which some of the n × m pixels are the phase difference detection pixels, and a normal pixel group that does not have the phase difference detection pixels in all the n × m pixels configured in the unit. The solid-state image sensor arranged on the light receiving surface of the solid-state image sensor. A drive control method for an imaging apparatus having a solid-state imaging device comprising a plurality of pixels arranged in a two-dimensional array on a semiconductor substrate ,
The plurality of pixels includes a pair of closest phase difference detection pixels for detecting a phase difference in one direction,
A pixel addition step of controlling the driving of the solid-state imaging device and adding a detection signal for each of the plurality of pixels;
In the pixel addition step, for the pixels other than the phase difference detection pixels, the addition is performed between the pixels, for the phase difference detection pixels, the addition is performed between the phase difference detection pixels, and one of the pairs A drive control method for an imaging apparatus that performs the addition using the addition target pixel of the other phase difference detection pixels as the other phase difference detection pixel of the pair .