Patent ID: 8891039
Filing Date: 2014-11-18
Classification: G02B,G02F

Abstract:
1. A display module comprising: a display panel configured to display an image; and a backlight unit comprising a light guide panel configured to guide light to the display panel, a light source configured to supply light to a side of the light guide panel such that light beams from the light source travel in a horizontal direction through the light guide panel and that at least one color component of the light beams would be disproportionately absorbed while light beams are traveling in the horizontal direction, wherein the backlight unit further comprises a reflection sheet disposed over a rear surface of the light guide panel opposite to the display panel, wherein the reflection sheet is configured such that the disproportionate absorption of the at least one color component of the light beams traveling therethrough is at least partially compensated, and wherein the reflection sheet comprises a chromaticity compensation material, the chromaticity compensation material comprising a pigment in the amount of about 0.1 weight percent of a total weight of the reflection sheet.