
LCD smartphones that use a 0.4t LED chip for backlighting have a bottom bezel of 4.0-4.5mm. The 0.3t LED chips allows for a reduction of the bottom bezel to 2.0-2.5mm.
Packaging of 0.3t LED chips for side-view backlighting of LTPS-LCD smartphone panels is more difficult in accuracy and stability than that of 0.4t LED chips, the sources noted, adding Nichia began trial production of 0.3t LED chips for use in high-end smartphone models launched by China- and Japan-based vendors in the first half of 2018.
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