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    • 2. 发明申请
    • Process for making a retarder and a polarizer having the retarder
    • 用于制造具有延迟器的延迟器和偏振器的方法
    • US20070023130A1
    • 2007-02-01
    • US11370031
    • 2006-03-08
    • Hong DuzChang SenWu Hai
    • Hong DuzChang SenWu Hai
    • B32B27/00B05D3/00C08F2/46C08J7/18
    • G02B5/3033B32B27/00G02B5/3083Y10T428/31504
    • A process for making retarder film characterized by laminating onto a substrate in sequence an alignment layer and a retardation material. In the process where the alignment layer of the retarder film is cured by ultraviolet light to undergo crosslinking reaction, the alignment layer is exposed to air or inert gas (with oxygen content no less than 1%) and provided with O.5 wt %˜10 wt % photoinitiator to achieve better adhesion to the substrate. At the same time, proper amount of active acrylate residue is left on the surface of alignment layer to facilitate subsequently the adhesion of retardation material thereon. This process results in polarizer with built-in retarder. Consequently, not only the polarizer has larger viewing ranges and better displaying quality because of the effect of optical compensation, the thickness of the polarizer is also smaller, and its transparency and optic characteristics are better than prior art.
    • 一种制造延迟膜的方法,其特征在于依次层压到基板上的取向层和延迟材料。 在通过紫外线固化延迟膜的取向层进行交联反应的过程中,将取向层暴露于空气或惰性气体(氧含量不低于1%),并提供O.5wt%〜 10重量%的光引发剂以实现对基材的更好的粘附。 同时,适当量的活性丙烯酸酯残留物残留在取向层的表面上,以便随后在其上粘附延迟材料。 该过程产生带有内置延迟器的偏振器。 因此,由于光学补偿的影响,偏振器不仅具有更大的观看范围和更好的显示质量,所以偏振器的厚度也更小,并且其透明度和光学特性优于现有技术。