Image sensor including phase detection pixel
AssigneeSamsung Electronics Co., Ltd.
InventorsMin-ji Hwang, Seung-jin Lee, Young-woo Lee, Seok-yong Hong
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Abstract
Provided is an image sensor including a pixel array which provides a plurality of pixels arranged in rows and columns. The plurality of pixels include: a plurality of image sensing pixels each including a plurality of image sensing sub pixels that include the same color filter; and a plurality of phase detection pixels each including at least one phase detection sub pixel which generates a phase signal for calculating a phase difference between images, wherein the plurality of image sensing sub pixels included in the same image sensing pixel are connected to one selection signal line and receive the same selection signal.
Claims14
An image sensor including a pixel array which provides a plurality of pixels arranged in rows and columns, wherein
- the plurality of pixels comprises:
- a plurality of image sensing pixels each including a plurality of image sensing sub pixels that include the same color filter;
- and
- a plurality of phase detection pixels each including at least one phase detection sub pixel configured to generate a phase signal for calculating a phase difference between images,
- wherein the plurality of image sensing sub pixels included in the same image sensing pixel are connected to one selection signal line and receive the same selection signal, and
- wherein each phase detection pixel includes an image sensing sub pixel, and the at least one phase detection sub pixel and the image sensing sub pixel included in the same phase detection pixel are connected to the same selection signal line and share the same color filter.
An image sensor including a pixel array providing a plurality of pixels arranged in a first direction and a second direction, wherein
- the plurality of pixels comprise:
- a plurality of image sensing pixels each configured to generate an image signal;
- and
- a first phase detection pixel and a second phase detection pixel configured to generate different phase signals for calculating phase differences between images,
- wherein a ratio of the number of the first phase detection pixels and the number of the second phase detection pixels to the number of the plurality of pixels arranged in the pixel array has a value of 1/16 or 1/32,
- wherein each of the first phase detection pixel and the second phase detection pixel includes an optical sensing element and a light-shielding layer formed on the optical sensing element, and
- wherein the first phase detection pixel and the second phase detection pixel are arranged in the first direction and three image sensing pixels are arranged between the first phase detection pixel and the second phase detection pixel in the first direction.
An image sensor comprising:
- a pixel array including a plurality of phase detection pixels and a plurality of image sensing pixels;
- and
- a row driver configured to generate signals for controlling the pixel array,
- wherein each of the plurality of phase detection pixels includes at least one phase detection sub pixel,
- wherein each of the plurality of image sensing pixels includes a plurality of image sensing sub pixels connected to the row driver through one selection signal line and receive the same selection signal,
- wherein each of the plurality of phase detection pixels includes four phase detection sub pixels sharing one micro lens,
- wherein the plurality of image sensing pixels includes a first image sensing pixel and a second image sensing pixel, and
- wherein the first image sensing pixel, the second image sensing pixel, and a portion of the plurality of phase detection pixels are arranged in the same row.
Dependencies are inferred from the claim text.