Visual timer

A visual timer, comprising a back shell (1), a PCB (2), an encoder (3), a color display screen (4), an adjusting knob (301), and a knob sleeve (302) wherein, the back shell (1) comprises a bottom wall and a side wall around the bottom wall to define an accommodating space, the PCB (2), the encoder (3) and the color display screen (4) are arranged inside the accommodating space, the PCB (2) is arranged on a front side of the bottom wall of the back shell (1), the color display screen (4) is arranged on a front side of the PCB (2) away from the bottom wall, and the encoder (3) is arranged the front side of the PCB (2), wherein the color display screen (4) comprises an upper glass substrate (41) and a lower glass substrate (42);

• a rear side of the lower glass substrate (42) away from the upper glass substrate (41) is provided with a lower polarizer (43), and a rear side of the lower polarizer (43) away from the lower glass substrate (42) is provided with a color film (44);
• the color film (44) is provided with a silk screen printing region (441), and a rear side of the color film (44) away from the lower polarizer (43) is provided with a film (45);
• a front side of the lower glass substrate (42) away from the lower polarizer (43) is provided with a lower alignment layer (46);
• the adjusting knob (301) is arranged on a front side of the encoder (3) away from the PCB (2), and the knob sleeve (302) is arranged on a front side of the adjusting knob (301) away from the encoder (3).