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A color filter array and image sensor

A technology of color filter array and color filter, which is applied in the field of image sensors, can solve problems such as weak sensing ability and reduced sensitivity of image sensors, and achieve the effect of improving sensitivity and area

Active Publication Date: 2019-03-29
SMARTSENS TECH SHENZHEN CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] However, the smaller the area of ​​the color filter pixel integrated on the image sensor, the weaker the image sensor's ability to sense light, resulting in reduced sensitivity of the image sensor

Method used

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  • A color filter array and image sensor
  • A color filter array and image sensor
  • A color filter array and image sensor

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Embodiment Construction

[0034] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the embodiment of the present invention. Some examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0035] The terms "comprising" and any variations thereof in the description and claims of the present invention and the above drawings are intended to cover non-exclusive inclusion. For example, a process, method or system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also inc...

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Abstract

The present invention provides a color filter array and an image sensor. The color filter array includes a plurality of color filter units; the color filter units are composed of a first pixel, a second pixel, a third pixel and a fourth pixel. Composed of 4 rectangular pixels, the long side of the rectangular pixel is twice the short side, the first pixel and the second pixel are sequentially aligned along the first direction where the long side is located, and the short side is aligned Arranged in close proximity, the third pixel and the fourth pixel are arranged in close proximity in sequence along the first direction and in a short-side aligned manner, the first pixel and the third pixel are arranged on the short side In the second direction where they are located, they are arranged in a staggered close proximity with the length of the short side as the stagger distance. The invention can maximize the area of ​​a unit color filter pixel and improve the sensitivity of the image sensor without reducing the resolution of the image sensor.

Description

technical field [0001] Embodiments of the present invention belong to the technical field of image sensors, and in particular relate to a color filter array and an image sensor. Background technique [0002] With the continuous development of image sensor technology, people have higher and higher requirements for the resolution of the image sensor. Therefore, it is necessary to integrate more color filter pixels per unit area of ​​the image sensor to improve its resolution. At the same time, in view of the cost requirements and the continuous reduction in the size of various smart terminals such as mobile phones, tablet computers, and digital cameras used in image sensors, it is necessary to continuously reduce the area of ​​the color filter pixels integrated on the image sensor to meet the requirements of reducing the size of the image sensor. volume and the requirement to increase its resolution. [0003] However, the smaller the area of ​​the color filter pixels integrat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N9/04H04N5/225
CPCH04N23/55H04N23/10
Inventor 彭茂张小军胡文阁
Owner SMARTSENS TECH SHENZHEN CO LTD
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