GUTE TEK PLASTIC 14 inches light diffuser film for laptop computer

The main function of light diffusion film is to provide a uniform surface light source for LCD. The main material for making diffusion film is PET-polyethylene terephthalate.

Light Diffuser Film

The diffusion film is mainly composed of three layers, including the anti-scratch layer at the bottom, the transparent substrate layer at the middle and the diffusion layer at the top. The working principle of light diffusing sheet is that the light injects into anti-scratch layer from the bottom, penetrates the transparent substrate and then scatters in diffusion layer. Diffusion layer is full of diffusion particle. Most of them are spherical and the function is similar with convex lens. Different particle size of diffusion particles ensure the light cannot shoot our from the diffusion layer directly and make the light more uniform.

Generally speaking, 14 inches laptops are suitable for many occasions, with good performance, good heat dissipation, large visual area and moderate portability. China light diffuser sheet supplier GUTE TEK Plastic manufactures 14 inch Optical diffusion film for liquid crystal display(LCD) backlight unit of the notebook.

   

Light Diffusion Film

Item	Content		Unit	Results	Method
Thermal Property	Thermal shock test	60℃, 90%RH, 500h	/	Good	GUTE TEK Plastic Method
	Thermal shock test	-25℃*1h-65℃*1h, 60%RH, 50cycles	/	Good
	Heat stability	85℃, 240h	/	Good
	Heat stability	'-20℃, 240h	/	Good
Mechanical Property	Tensile Strength	MD(Machine Direction) MD≥60	MPa	≥80	GB/T 13542.4-2009
		TD(Transverse Direction) TD≥60	MPa	≥73
	Tensile Elongation	MD(Machine Direction) MD≥40	%	≥70	GB/T 13542.4-2009
		TD(Transverse Direction) TD≥40	%	≥49
	Heat Shrinkage	MD(Machine Direction) MD≤0.5	%	≤0.26	GB/T 13542.4-2009 (85℃, 30 min)
		TD(Transverse Direction) TD≤0.2	%	≤0.07

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