A color filter substrate includes: a first base, a first metal wire grid polarizing layer, and first sub-pixel units, second sub-pixel units and third sub-pixel units. The first sub-pixel unit includes a first light conversion pattern emitting light of a second color under excitation of incident light of a first color and a first reflective pattern reflecting the light of the first color and transmitting the light of the second color. The second sub-pixel unit includes a second light conversion pattern emitting light of a third color under the excitation of the incident light of the first color and a second reflective pattern reflecting the light of the first color and transmitting the light of the third color. The third sub-pixel unit is configured to receive the light of the first color and emit light of a fourth color or the light of the first color.