An image sensing device may include a plurality of test pixel blocks and a signal processing unit. The test pixel blocks may be simultaneously heated to different temperatures. The signal processing unit may be in communication with the test blocks and configured to obtain pixel signals for different colors, respectively, based on dark current information associated with the temperatures of the test pixel blocks.

Herein disclosed is an imaging device having an imaging optical system, the device including: an imaging element configured to include a plurality of first pixels and a plurality of second pixels arranged along a predetermined direction; a first processor configured to execute focal detection processing by a phase difference detection system based on charge signals obtained from the plurality of second pixels; and a second processor configured to execute specific processing based on charge signals obtained from the plurality of first pixels, the specific processing being different from the focal detection processing by a phase difference detection system and being necessary for a function of the imaging device.

The present disclosure relates to a CMOS image sensor having a multiple deep trench isolation (MDTI) structure, and an associated method of formation. In some embodiments, a plurality of pixel regions is disposed within a substrate and respectively comprising a photodiode. A boundary deep trench isolation (BDTI) structure is disposed between adjacent pixel regions, extending from a back-side of the substrate to a first depth within the substrate, and surrounding the photodiode. A multiple deep trench isolation (MDTI) structure is disposed within the individual pixel region, extending from the back-side of the substrate to a second depth within the substrate, and overlying the photodiode. A dielectric layer fills in a BDTI trench of the BDTI structure and a MDTI trench of the MDTI structure.

A three dimensional (3D) device is formed from a first level and a second level that are attached together. The first level includes a backside illuminated two dimensional (2D) image sensor including an array of first pixels sensitive to visible light. The second level includes a frontside illuminated depth sensor including an array of second pixels sensitive to near infrared light. The first and second levels are attached in a manner such that radiation, in particular the near infrared light, received at the backside of the first level passes through the first level to reach the depth sensor in the second level.

A focus detection device includes a field lens, a secondary image forming lens configured to capture a light flux from the field lens and to form a pair of images from light fluxes from different pupil positions, and a photoelectric conversion device including a pixel region including at least one focus detection region pair that detects the pair of images. The photoelectric conversion device includes pixels arranged in the pixel region in a matrix. The photoelectric conversion device includes control lines each supplying control signal to at least a part of pixels on a corresponding row, and output lines each receiving a signal from at least a part of pixels on a corresponding column. At least a pair of the pixels connected to a common control line or a common output line form the at least one focus detection region pair and output signals to be used for focus detection.

An endoscope apparatus includes an imaging element, a video signal generating circuit, an illuminator, a light quantity detector, and one or more controllers. An imaging area in which a plurality of pixels are disposed includes a scanning area. The one or more controllers control the imaging element such that at least parts of exposure periods of the pixels disposed in at least a part of the scanning area overlap each other, in a case in which the light quantity is less than a predetermined quantity. The one or more controllers control the illuminator such that the light source is turned on in a period in which at least parts of the exposure periods of the pixels disposed in at least a part of the scanning area overlap each other, in a case in which the light quantity is less than the predetermined quantity.

An imaging device for evaluating focusing of light by one or more optical elements on an imaging sensor, the imaging device having one or more processors configured to compare a first value of a characteristic of a first signal from a first photoelectric conversion structure of the imaging sensor having a first light-receiving surface area and a second value of the characteristic of a second signal from a second photoelectric conversion structure of the imaging sensor having a second light-receiving surface area smaller than the first light-receiving surface area, and to determine whether focusing is achieved by the one or more optical elements.

A device for extracting depth information according to one embodiment of the present invention comprises: a light outputting unit for outputting IR (InfraRed) light; a light inputting unit for inputting light reflected from an object after outputting from the light outputting unit; a light adjusting unit for adjusting the angle of the light so as to radiate the light into a first area including the object, and then for adjusting the angle of the light so as to radiate the light into a second area; and a controlling unit for estimating the motion of the object by using at least one of the lights between the light inputted to the first area and the light inputted to the second area.

An image sensor includes two or more phase-difference detection pixels disposed adjacent to each other, a plurality of general pixels spaced apart from the phase-difference detection pixels, first and second peripheral pixels, and first to third light shields. The first and second peripheral pixels are adjacent to the phase-difference detection pixels, and between the phase-difference detection pixels and the general pixels. The first light shield is disposed in one of the general pixels and has a first width. The second light shield extends into the first peripheral pixel from a first area between the phase-difference detection pixels and the first peripheral pixel, and has a second width different from the first width. The third light shield extends into the second peripheral pixel from a second area between the phase-difference detection pixels and the second peripheral pixel, and has a third width different from the first width.

A camera assembly and a mobile electronic device are provided. The camera assembly includes at least two image sensors. Each image sensor includes a pixel array and a control circuit. The pixel array includes a light sensing region and an imaging region. The control circuit is configured to control the light sensing region to detect an illumination intensity when receiving a light sensing instruction and to control the imaging region to obtain an image when receiving an imaging instruction. The mobile electronic device includes a camera assembly and a processor. The processor is configured to generate the light sensing instruction and the imaging instruction.