Display device and display method

A display device, comprising a receiving circuit, a brightness information generating circuit, a conversion curve generating circuit, a frame conversion circuit and an image display module, wherein:

• the receiving circuit is configured to receive an input image signal, wherein the input image signal comprises a plurality of original frames, and each of the plurality of original frames comprises a plurality of original pixels;
• the brightness information generating circuit electrically connected to the receiving circuit is configured to receive the input image signal from the receiving circuit, and the brightness information generating circuit obtains original brightness information of each of the plurality of original frames according to the input image signal, and generates set brightness information corresponding to each of the plurality of original frames according to the original brightness information;
• the conversion curve generating circuit electrically connected to the brightness information generating circuit is configured to generate an electro-optical transfer lookup table according to the set brightness information of each of the plurality of original frames and a conversion function;
• the frame conversion circuit electrically connected to the receiving circuit and the conversion curve generating circuit is configured to receive the electro-optical transfer lookup table corresponding to each of the plurality of original frames from the conversion curve generating circuit, and receive the input image signal from the receiving circuit and generate an output image signal;
• wherein the frame conversion circuit performs electro-optical transfer lookup on each of the plurality of original frames of the input image signal according to the electro-optical transfer lookup table corresponding to each of the plurality of original frames to generate a plurality of output frames of the output image signal, wherein each of the plurality of output frames comprises a plurality of output pixels;
• and
• the image display module electrically connected to the frame conversion circuit is configured to receive the output image signal and display an output image according to the output image signal.