Electronic device and information processing method

1. An electronic device, comprising:

a light detector, including a photonic crystal layer configured to reflect and transmit light with a first wavelength in a first incident light according to a voltage applied to the photonic crystal layer; and a photosensitive layer arranged at a light transmission side of the photonic crystal layer and configured to detect a first parameter of a first transmission light transmitted through the photonic crystal layer when the light with the first wavelength is reflected by the photonic crystal layer, and detect a second parameter of a second transmission light transmitted through the photonic crystal layer when the light with the first wavelength is transmitted through the photonic crystal layer; and

a hardware processor configured to form a spectrum of the first waveform according to the first parameter and the second parameter, wherein,

the first parameter is indicative of an intensity of the first transmission light, and the second parameter is indicative of an intensity of the second transmission light.

2. The electronic device according to claim 1 , wherein,

the light unit detector further comprises a light diffusion layer configured to enable the first incident light, which is incident on the light detector in an angle, to be incident uniformly on the photonic crystal layer.

3. The electronic device according to claim 1 , wherein,

the light detector further comprises a beam orientation layer configured to select the first incident light transmitted in a first direction.

4. The electronic device according to claim 1 , wherein,

the light detector further comprises a first transparent electrode layer and a second transparent electrode layer;

the photonic crystal layer is arranged between the first transparent electrode layer and the second transparent electrode layer, wherein,

the first transparent electrode layer and the second transparent electrode layer are configured to apply a voltage to the photonic crystal layer.

5. The electronic device according to claim 4 , wherein,

the first transparent electrode layer comprises M first transparent electrodes;

the second transparent electrode layer comprises M second transparent electrodes;

the photonic crystal layer comprises M regions;

an m th first transparent electrode and an m th second transparent electrode form an m th electrode group which is controllable independently;

vertical projections of the m th first transparent electrode and the m th second transparent electrode on the photonic crystal layer are located in an m th region of the photonic crystal layer, wherein,

the m th electrode group is configured to apply a voltage to the m th region; and

M is an integer not less than 2, and m is a positive integer not more than M.

6. The electronic device according to claim 1 , wherein,

the hardware processor is configured to determine a third intensity of the light with the first wavelength according to a difference between the second parameter and the first parameter, and determine the spectrum of the first wavelength according to the third intensity.

7. The electronic device according to claim 6 , further comprising:

a display connected to the hardware processor, wherein the hardware processor is configured to determine a color temperature value of an environment in which the electronic device is located according to the spectrum, determine an output parameter of the display according to the color temperature value, and control display of the display according to the output parameter.