A prevent fold optics diaphragm for backlight unit

The utility model discloses a prevent fold optics diaphragm for backlight unit, including the sticky tape, the outside of sticky tape is encircleed and is equipped with the PET layer, one side that PET kept away from on the layer sticky tape is around being equipped with protecting border, be equipped with first fixed bed on the sticky tape, still be equipped with the second fixed bed on the sticky tape, and first fixed bed and second fixed bed with mutually perpendicular's structure setting on the sticky tape, the upper end of sticky tape is equipped with the waterproof layer, one side that the waterproof layer was kept away from to the sticky tape is equipped with optics die. The utility model discloses the outside of sticky tape is equipped with protecting border, can protect before the sticky tape uses, is equipped with the PET layer between protecting border and sticky tape, and paper fold that can effectual improvement letter patience experimental produced is equipped with the fixed bed of two perpendic