JP2008040087A5

JP2008040087A5 -

Info

Publication number: JP2008040087A5
Application number: JP2006213438A
Authority: JP
Filing date: 2006-08-04
Publication date: 2009-09-03
Anticipated expiration: 2026-08-04

Claims

An imaging device that regularly arranges a plurality of types of imaging pixels having different spectral sensitivity characteristics in a two-dimensional manner and captures an image formed by an optical system,
A part of the imaging pixel along a predetermined direction is configured as a focus detection pixel, and has the same spectral sensitivity characteristic as the imaging pixel located at the position of the focus detection pixel in the regular array. The imaging pixels and the focus detection pixels are mixedly arranged on the pixel array in the predetermined direction so that the imaging pixels are arranged between the plurality of focus detection pixels. An image sensor.

An imaging device that regularly arranges a plurality of types of imaging pixels having different spectral sensitivity characteristics in a two-dimensional manner and captures an image formed by an optical system,
A part of the imaging pixels along a predetermined direction is configured as a focus detection pixel, and all types of the imaging pixels on the pixel array in the predetermined direction in the regular array have a plurality of the focal points. An imaging device, wherein the imaging pixels and the focus detection pixels are mixedly arranged on the pixel array in the predetermined direction so as to be arranged between the detection pixels.

The imaging device according to claim 1 or 2,
The imaging device, wherein the plurality of types of imaging pixels are arranged in a square, and the predetermined direction is a direction of each side or diagonal line of the square arrangement.

The imaging device according to claim 1 or 2,
The focus detection pixel receives a pair of light fluxes passing through different pupil portions along the predetermined direction in the exit pupil of the optical system.

The imaging device according to claim 1 or 2,
The focus detection pixel includes a microlens and a photoelectric conversion unit, and the photoelectric conversion unit and the exit pupil of the optical system are conjugate with respect to the microlens.

The imaging device according to claim 5,
The focus detection pixel includes a pair of photoelectric conversion units, and each photoelectric conversion unit receives a pair of light fluxes passing through different pupil portions of the optical system.

The imaging device according to claim 5,
The focus detection pixel receives one of a pair of light beams passing through different pupil portions of the optical system by the photoelectric conversion unit.

The image pickup device according to claim 7,
An image pickup device comprising a plurality of pairs of focus detection pixels that respectively receive a pair of light beams passing through different pupil portions of the optical system.

In the image sensor according to any one of claims 1 to 8,
The imaging element, wherein the focus detection pixel has a spectral sensitivity characteristic different from that of the imaging pixel.

In the image sensor according to any one of claims 1 to 8,
The imaging element, wherein the focus detection pixels have the same spectral sensitivity characteristics as the imaging pixels located at the position of the focus detection pixels in the regular array.

The imaging device according to claim 1, comprising three types of imaging pixels that receive RGB light.

The imaging device according to claim 11,
An image pickup device, wherein the three types of image pickup pixels that receive RGB are Bayer-arranged.

In the imaging device according to any one of claims 1 to 12,
The imaging pixel includes a microlens and a photoelectric conversion unit, and the photoelectric conversion unit and the exit pupil of the optical system are conjugate with respect to the microlens.

The image sensor according to claim 13, wherein
An image sensor, wherein the optical characteristics of the microlens of the imaging pixel are different from the optical characteristics of the microlens of the focus detection pixel.

The imaging device according to any one of claims 1 to 10,
A focus detection device comprising: focus detection means for detecting a focus adjustment state of the optical system based on output data of the focus detection pixels of the image sensor.

The image sensor according to any one of claims 1 to 14,
An imaging apparatus comprising: an interpolation calculation means for performing interpolation calculation on image data at the position of the focus detection pixel based on output data of the imaging pixel in the vicinity of the focus detection pixel of the imaging element. .

  An imaging device that images a plurality of types of imaging pixels having different spectral sensitivity characteristics regularly and squarely in a two-dimensional manner and forms an image formed by an optical system,
  While configuring a part of the image sensor as a focus detection pixel,
  The imaging pixels having the same spectral sensitivity characteristics as the imaging pixels to be positioned at the focus detection pixels in the regular array are arranged on the sides of the square array and in the diagonal direction of the focus detection pixels. An image pickup device, wherein the focus detection pixels are arranged so that the focus detection pixels are not arranged at a position arranged closest to the position.