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Color filtering array and image receiving method thereof

A technology of color filtering and image receiving, which is applied in the field of color filter array and its image receiving, and can solve the problems of increasing the manufacturing cost of image sensors

Active Publication Date: 2016-04-13
NOVATEK MICROELECTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

From the above, it can be known that the existing image sensor must use the infrared light cut filter and the components that move the infrared light cut filter, thereby increasing the manufacturing cost of the image sensor

Method used

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  • Color filtering array and image receiving method thereof
  • Color filtering array and image receiving method thereof
  • Color filtering array and image receiving method thereof

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Embodiment Construction

[0034] Please refer to Figure 1A , Figure 1A It is a schematic diagram of a filtering pattern (pattern) 10 according to an embodiment of the present invention. The filter pattern 10 can be used in an image sensing device (such as a camera and other electronic devices with image sensing function). By repeatedly arranging the filter pattern 10, a color filter array in the image sensing device can be formed, so that the image sensing device can obtain image data with color information. like Figure 1A As shown, the filtering pattern 10 includes pixels P1 - P5 , and the pixels P1 - P5 correspond to red R, infrared IR1 , green G, infrared IR2 and blue B, respectively. That is to say, the pixels P1 - P5 are respectively used to receive light in different wavelength ranges. By repeatedly arranging the color filter array formed by the filter pattern 10, the image sensing device can obtain light intensity information of five different wavelength ranges at the same time. In this cas...

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Abstract

The invention discloses a color filtering array and an image receiving method thereof. The color filtering array is used for an image sensing device, and comprises a plurality of filtering patterns which are arranged in a repeated manner, wherein each filtering pattern comprises at least one first filter which is corresponding to a first wavelength range of a first color. Each pattern also comprises at least one second filter which is corresponding to a second wavelength range of a second color; at least one third filter which is corresponding to a third wavelength range of a third color; at least one fourth filter which is corresponding to a first infrared wavelength range, wherein the first infrared wavelength range is an overlapped wavelength range of the first wavelength range and the second wavelength range; at least one fifth filter which is corresponding to a second infrared wavelength range, wherein the second infrared wavelength range is an overlapped wavelength range of the first wavelength range and the third wavelength range.

Description

technical field [0001] The invention relates to a color filter array and an image receiving method thereof, in particular to a color filter array capable of simultaneously detecting infrared light and visible light and an image receiving method thereof. Background technique [0002] Image sensors, such as CMOS image sensors (CMOS image sensors, CIS) and charge-coupled (Charge-Coupled Device, CCD) image sensors, have been widely used in digital cameras, personal digital assistants, tablet computers and intelligent communication systems, etc. Consumer Electronics. Generally speaking, an image sensor needs to use a color filter to sense visible light information of a specific color (such as red, blue, green) to obtain a color image. However, color filters cannot filter infrared light (infrared ray, IR). If the image sensor receives the infrared light information, it will cause the color distortion of the color image. Therefore, the existing image sensor usually needs to use ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N9/04
Inventor 陈毅修王淑芳萧博仁
Owner NOVATEK MICROELECTRONICS CORP