Ambient illuminance detection method and device, correction coefficient calculation method and device and electronic equipment

Abstract

The embodiment of the invention provides an ambient illumination detection method and device, a correction coefficient calculation method and device and electronic equipment. The ambient illuminance detection method comprises the steps of filtering ambient light based on a monochromatic channel to enable a quantum effect curve of filtered light to match a spectral luminous efficiency curve; and carrying out photoelectric detection on the filtered light to obtain the illuminance of the ambient light. In the scheme of the embodiment of the invention, the processing of photoelectric detection can be equivalent to the convolution calculation based on the spectral luminous efficiency curve to obtain the light illumination, so that when the quantum effect curve of the monochromatic wave band obtained by filtering the ambient light based on the monochromatic channel matches the spectral luminous efficiency curve, a reliable spectral luminous efficiency curve is obtained with a small calculation amount; and when photoelectric detection is carried out on the filtered light, a large calculation amount caused by collection of light of a plurality of wave bands is avoided while reliable illumination of the ambient light is ensured.

Description

technical field [0001] The embodiments of the present application relate to the field of optics, and in particular to a method, device, and electronic device for detecting ambient light and calculating correction coefficients. Background technique [0002] With the development and popularization of smart electronic devices, users have higher and higher requirements for their own visual experience and the power saving and battery life of the devices. The highly integrated and high-precision ambient light sensor enables the system to adjust the screen brightness according to changes in ambient light, which improves the user's visual experience and saves power consumption of the system. [0003] Generally, the ambient light sensor matches the visible light bands that the human eye can sense, and matches the sensitivity of the human eye to light in different bands, so as to simulate the intensity of the surrounding ambient light obtained by the human eye. [0004] In the prior ...

AI Technical Summary

Problems solved by technology

[0004] In the prior art, an under-screen ambient light sensor chip equipped with various filtering channels is used for processing to calculate the illuminance of ambient light. However, this kind of under-screen ambient light sensor chip requires a large amount of calculation.

Images