Photoelectric conversion apparatus, photoelectric conversion system, device, and signal processing method for photoelectric conversion apparatus
AssigneeCanon Kabushiki Kaisha
InventorsHIDETOSHI HAYASHI, KAZUNORI MATSUYAMA, SHINYA IGARASHI, HIROTAKA SHUKURI, NORIYUKI SHIKINA
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Abstract
A conversion apparatus including a plurality of pixels disposed in a matrix, the conversion apparatus including a first pixel and a second pixel disposed in a first row, a first microlens corresponding to the first pixel, and a second microlens corresponding to the second pixel, wherein using a first control line, a set of a signal based on a first charge and a signal based on a fourth charge is output for use in focus detection and image generation.
Claims20
A conversion apparatus including a plurality of pixels disposed in a matrix, the conversion apparatus comprising:
- a first pixel and a second pixel disposed in a first row;
- a first microlens corresponding to the first pixel;
- and
- a second microlens corresponding to the second pixel,
- wherein the first pixel includes a first conversion element configured to convert light passing through the first microlens, thereby generating a first charge, a second conversion element configured to convert light passing through the first microlens, thereby generating a second charge, a first floating diffusion configured to accumulate at least one of the first and second charges, a first transfer transistor configured to transfer the first charge to the first floating diffusion, and a second transfer transistor configured to transfer the second charge to the first floating diffusion, and
- wherein the second pixel includes a third conversion element configured to convert light passing through the second microlens, thereby generating a third charge, a fourth conversion element configured to convert light passing through the second microlens, thereby generating a fourth charge, a second floating diffusion configured to accumulate at least one of the third and fourth charges, a third transfer transistor configured to transfer the third charge to the second floating diffusion, and a fourth transfer transistor configured to transfer the fourth charge to the second floating diffusion,
- the conversion apparatus comprising a first control line connected to the first and fourth transfer transistors and a second control line connected to the second and third transfer transistors,
- wherein the third and fourth conversion elements are disposed in order in a direction from the first conversion element to the second conversion element, and
- wherein using the first control line, a set of a signal based on the first charge and a signal based on the fourth charge is output for use in focus detection and image generation.
A signal processing method for a conversion apparatus comprising:
- a plurality of pixels disposed in a matrix;
- a first pixel and a second pixel disposed in a first row;
- a first microlens corresponding to the first pixel;
- and
- a second microlens corresponding to the second pixel,
- wherein the first pixel includes a first conversion element configured to convert light passing through the first microlens, thereby generating a first charge, a second conversion element configured to convert light passing through the first microlens, thereby generating a second charge, a first floating diffusion configured to accumulate at least one of the first and second charges, a first transfer transistor configured to transfer the first charge to the first floating diffusion, and a second transfer transistor configured to transfer the second charge to the first floating diffusion, and
- wherein the second pixel includes a third conversion element configured to convert light passing through the second microlens, thereby generating a third charge, a fourth conversion element configured to convert light passing through the second microlens, thereby generating a fourth charge, a second floating diffusion configured to accumulate at least one of the third and fourth charges, a third transfer transistor configured to transfer the third charge to the second floating diffusion, and a fourth transfer transistor configured to transfer the fourth charge to the second floating diffusion,
- the conversion apparatus comprising a first control line connected to the first and fourth transfer transistors and a second control line connected to the second and third transfer transistors,
- wherein the third and fourth conversion elements are disposed in order in a direction from the first conversion element to the second conversion element, and
- wherein using the first control line, a set of a signal based on the first charge and a signal based on the fourth charge is output for use in focus detection and image generation,
- the signal processing method comprising:
- performing focus detection and image generation using the set of the signal based on the first charge and the signal based on the fourth charge output from the conversion apparatus.
Dependencies are inferred from the claim text.