Test apparatus of liquid crystal display

A test apparatus of a liquid crystal display, comprising:

• a heating platform, a temperature control box, a tubular assembly, a photoelectric detector assembly and a shutter assembly;
• wherein an upper surface of the heating platform is provided with a heating area, the temperature control box is disposed on the heating area, an opening is defined in a top of the temperature control box, the tubular assembly is connected to the temperature control box around the opening and communicates with an inside of the temperature control box, the shutter assembly is disposed within the tubular assembly, the photoelectric detector assembly is disposed on a top of the tubular assembly and faces toward to the temperature control box, the shutter assembly is opened when test is carried out and closed when the heating platform heats or cools;
• wherein the tubular assembly includes a through hole in a wall thereof, the through hole is positioned above the shutter assembly and connects with an inlet pipe to entrance of drying gas;
• wherein the photoelectric detector assembly includes a photoelectric detector, a photoelectric detection lens and an interface structure;
• and
• wherein the interface structure is disposed on the top of the tubular assembly, the photoelectric detection lens is disposed on a bottom of the photoelectric detector, the photoelectric detection lens is connected to the interface structure and is coaxially arranged with the tubular assembly, the interface structure is provided with a hollow communicating with the tubular assembly, the photoelectric detection lens is docked in the hollow.