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Modulates the light incident on the imaging sensor

An image sensor and controller technology, applied in the field of sensors, can solve problems such as inability to obtain optical radiation

Active Publication Date: 2019-09-10
SONY CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, when capturing a scene that includes a wide range of brightness, such as from direct sunlight to deep shadows, and exposing the image to get a good signal in dark areas, stronger light in bright areas will cause the sensing element to Saturation, and cannot obtain actual optical radiation

Method used

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  • Modulates the light incident on the imaging sensor
  • Modulates the light incident on the imaging sensor
  • Modulates the light incident on the imaging sensor

Examples

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Embodiment Construction

[0013] A number of implementations as disclosed herein provide for having an attenuating layer coupled to a sensing layer of an image sensor to modulate the amount of light incident on the image sensor. Thus, in one implementation, the attenuating layer modulates light incident on the sensing layer using a layer of attenuating elements with adjustable transparency. In one implementation, the image sensor is configured with a sensing layer comprising multiple sensing elements (or sensors), while the attenuation layer is configured with multiple attenuating elements placed on top of the sensing elements. In one implementation, the attenuating layer is configured with the same or less number of attenuating elements than sensing elements in the sensing layer. Thus, the attenuating element attenuates the amount of light reaching the corresponding sensor placed below the attenuating element. Each attenuating element is configured with a material that attenuates the amount of light....

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PUM

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Abstract

One aspect of the present disclosure relates to modulating light incident on an imaging sensor, an image sensor comprising: a sensing layer having a plurality of sensing elements each configured to record impinging photons; and coupled to the An attenuating layer of the sensing layer configured with a plurality of attenuating elements to modulate light incident on the sensing layer. Keywords include sensing layer and attenuating layer.

Description

technical field [0001] The present invention relates to sensors, and more particularly, to a sensor coupled to an attenuating layer. Background technique [0002] Imaging systems rely on image sensors to generate electronic representations of visual images. Examples of image sensors include charge coupled device (CCD) image sensors and active pixel sensor (APS) devices. Typically, these imaging sensors include a plurality of light-sensitive pixels (or sensing elements) arranged in a regular pattern of rows and columns. [0003] The quality of images captured on an imaging sensor depends in part on the dynamic range of light recorded by the sensor. Accordingly, image sensors capable of providing a wider dynamic range than conventional image sensors provide are desirable. For example, when capturing a scene that includes a wide range of brightness, such as from direct sunlight to deep shadows, and exposing the image to get a good signal in dark areas, stronger light in brig...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/235
CPCH04N23/741G02F2203/12G02F1/0121H04N23/55
Inventor 田中一规
Owner SONY CORP