| 摘要 |
PURPOSE: An optical assembly, a backlight unit, and a display apparatus having the same are provided to improve display quality and reduce the thickness of the display apparatus. CONSTITUTION: An optical assembly of a display apparatus comprises a first layer(210), a plurality of light sources(220) which is arranged on the first layer, and a second layer in which a plurality of protrusions(271) are formed on the front surface of the second layer. The second layer is placed in front of the first layer. The cross section of the protrusions has a triangle, a rectangular, or a semi sphere shape. |
