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Light detection method and electronic device

An electronic device and light detection technology, applied in the field of light detection, can solve the problem of reducing color resolution, etc., and achieve the effect of improving photosensitive efficiency and resolution

Inactive Publication Date: 2016-01-27
LENOVO (BEIJING) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, if the photosensitive area of ​​a single color is enlarged, the resolution of the color will be reduced.

Method used

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  • Light detection method and electronic device
  • Light detection method and electronic device
  • Light detection method and electronic device

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Embodiment Construction

[0024] In order to understand the characteristics and technical contents of the embodiments of the present invention in more detail, the implementation of the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. The attached drawings are only for reference and description, and are not intended to limit the embodiments of the present invention.

[0025] figure 1 It is a schematic flow chart of a photodetection method in Embodiment 1 of the present invention. The photodetection method in this example is applied to an electronic device, and the electronic device has a photonic crystal layer and a photosensitive layer; figure 1 As shown, the photodetection method comprises the following steps:

[0026] Step 101: Utilize the photonic crystal layer to transmit a first part of the first light and reflect a second part of the first light.

[0027] Wherein, the first light is composed of the first part and the second par...

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Abstract

The invention discloses a light detection method and an electronic device. The light detection method is applied to the electronic device. The electronic device comprises a photonic crystal layer and a photosensitive layer. The light detection method comprises steps of: transmitting a first portion of first light and reflecting a second portion of the first light by using the photonic crystal layer, wherein the first light is composed of the first portion and the second portion and the wavelength of the second portion is a first wavelength; acquiring a light intensity value of the first portion by using the photosensitive layer; and acquiring the light intensity value of the first portion for N times and computing a fundamental color light parameter of the first light on the basis of the acquired N light intensity values, wherein N is more than or equal to 3.

Description

technical field [0001] The invention relates to light detection technology, in particular to a light detection method and electronic equipment. Background technique [0002] A color filter (CF, ColorFilter) is a main device used to realize color display, and a complementary metal oxide semiconductor (CMOS, ComplementaryMetalOxideSemiconductor) is used as a photosensitive material to detect the intensity of light filtered by CF. At present, the light-sensing efficiency of CMOS photosensitive devices in the form of area array is low, because the light filtered by CF only accounts for 1 / 3 of the original light at most. However, if the photosensitive area of ​​a single color is enlarged, the resolution of the color will be reduced. Contents of the invention [0003] In order to solve the above technical problems, embodiments of the present invention provide a light detection method and electronic equipment. [0004] The photodetection method provided by the embodiment of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J1/42
Inventor 阳光张振华
Owner LENOVO (BEIJING) LTD