| 摘要 |
PURPOSE: A liquid crystal display apparatus using a back light unit is provided to prevent problem of causing Lattice Mura and resolve problem of generating scratch on a diffusion plate contained in optical film layer. CONSTITUTION: A liquid crystal display apparatus comprises a cover bottom(180), print circuit substrate(120), light emitting device(130), optical film layer(150), and guide(140). The cover bottom is formed by strong material, such as durability and heat resistance. The print circuit substrate is supported by the cover bottom. The light emitting device is placed on the print circuit substrate. The optical film layer is supported by the cover bottom and placed on the print circuit substrate.
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