An LCD apparatus is provided. The LCD apparatus includes the color film layer and a blue backlight module. The color film layer includes red, green, cyan and blue filter layer. The red filter layer includes a red filter film and a red QD film on the red filter film. The green filter layer includes a green filter film and a green QD film on the green filter film. The cyan filter layer includes a green QD film. The QD material is used to mix blue backlight and color film layer to realize four-color scheme, improving QD utilization and improving display color domain.