Display device

摘要

A display device includes a backlight module and a display panel. A spectrum of the backlight module has three peaks, so that the backlight module can emit a white light, wherein a full width at half maximum (FWHM) of the peak in a range of a green wavelength is less than or equal to 55 nm. The display panel is disposed on a light emitting surface of the backlight module, and includes a pixel array and a color filter array disposed correspondingly to the pixel array. The color filter array includes a red, a green and a blue filter patterns. The green filter pattern and the backlight module satisfy the following relations:;∑553562⁢⁢BL⁡(λ)×CFGreen⁡(λ)×Δλ≤4∑580600⁢⁢BL⁡(λ)×CFGreen⁡(λ)×Δλ≤2∑601650⁢⁢BL⁡(λ)×CFGreen⁡(λ)×Δλ≤1.2.
Besides, a x coordinate of green light of CIE is less than 0.22 and a y coordinate of green light of CIE is greater than 0.70.

主权项

1. A display device, comprising:
a backlight module, a spectrum of the backlight module having three peaks for the backlight module to emit a white light, wherein a full width at half maximum of the peak (FWHM) in a range of a green wavelength among the three peaks is less than or equal to 55 nm; and a display panel disposed on a light emitting surface of the backlight module, the display panel including a pixel array and a color filter array disposed correspondingly to the pixel array, the color filter array including a red filter pattern, a green filter patter and a blue filter pattern, and the green filter pattern and the backlight module satisfying following relation:∑553562⁢⁢BL⁡(λ)×CFGreen⁡(λ)×Δλ≤4∑580600⁢⁢BL⁡(λ)×CFGreen⁡(λ)×Δλ≤2∑601650⁢⁢BL⁡(λ)×CFGreen⁡(λ)×Δλ≤1.2 wherein BL(λ)×CFGreen(λ) represents a normalized result of a product of a luminance spectrum in a specific wavelength range and a transmittance of light in the specific wavelength range passing through the green filter pattern, and Δλ is a light wavelength interval, wherein a x coordinate of green light displayed by the display device corresponding to a chromaticity coordinates of CIE is less than 0.22 and a y coordinate of the green light displayed by the display device corresponding to the chromaticity coordinates of CIE is greater than 0.70.