Patent ID: 7209211
Filing Date: 2007-04-24
Classification: G02F,G09G

Abstract:
1. A liquid crystal display apparatus comprising: a liquid crystal panel including a pair of polarizers; and a back light having a light source provided at a back side of said liquid crystal panel for illumination thereof; wherein said liquid crystal panel is an active matrix type liquid crystal panel enabling display in a double refraction mode, and has a characteristic of spectral transmittance required to satisfy the following equation, x>y>z, when a drive voltage is applied thereto so as to vary at all voltages of the drive voltage in the range of a minimum voltage required for a visual display on said liquid crystal panel to a maximum voltage, where: “x” is a value of the transmittance in said liquid crystal panel at a wavelength which corresponds to a longest wavelength in the range of wavelengths designated for blue light illuminated from said light source; “y” is a value of the transmittance in said liquid crystal panel at a wavelength which corresponds to a maximum value of the intensity in the range of wavelengths designated for green light illuminated from said light source; and “z” is a value of the transmittance in said liquid crystal panel at a wavelength which corresponds to a maximum value of the intensity in the range of wavelengths designated for red light illuminated from said light source.