Disclosed are a diimmonium salt and a near infrared ray absorption film including the same which is used for blocking the near infrared ray. The input waveguide has an input port for receiving the inputted signal. The clamping module includes structure for a rigid coupling thereof to the machining module. The liquid crystal display further includes a data driver receiving the image data for selecting and outputting gray voltages corresponding to the image data, and an inverter controlling a lamp to emit light with a luminance of 80 cdm2 or more.