Display apparatus having a back-light unit

Abstract

A display apparatus including a back-light unit is provided. The back-light unit includes light-source devices and a color conversion sheet. The color conversion sheet includes a first conversion substrate on the light-source devices, a conversion sheet layer on the first conversion substrate, light-emitting bodies dispersed within the conversion sheet layer, and a second conversion substrate on the conversion sheet layer. SBR patterns are disposed side by side on at least one surface of the second conversion substrate to selectively reflect short-wavelength blue light. A display panel is disposed on the second conversion substrate. Through this configuration, the ratio of short-wavelength blue light in the light supplied to the display panel is reduced, while the efficiency of color conversion and overall luminance are maintained, thereby providing improved optical performance and reduced blue-light emission from the display apparatus.

Dependencies are inferred from the claim text.