In 2012 AppAdvice asked the question: "Will an Anti-Reflective Screen Ever Come to the iPhone and iPad?" Well, the US Patent & Trademark Office published a patent application from Apple today titled "UV Mask with Anti-Reflection Coating and UV Absorption Material," that answers that question. Apple's patent reveals that an anti-reflection film will be added to the manufacturing process of a future iPad display. The new anti-reflective process may extend to other products in the future including the iPhone, other portables and a television.
According to Apple's patent filing; patent FIG. 5 noted above illustrates a UV mask that includes an anti-reflection film and a UV absorption film to prevent reflections from the mask to the mother glass. In this embodiment, the UV mask may include a metal coating or a black mask (BM). As shown, the UV absorption film is adjacent to and covers the UV mask. The anti-reflection film or coating is provided over the UV absorbing film. An adhesive may be used to adhere the UV absorber to the mask. As such, the antireflection film is placed on top of the UV mask, with the anti-reflection layer facing towards the LCD assembly.
In one embodiment, the UV blocking layer on the mask (e.g., metal and/or BM) are on the same side of the glass as the anti-reflection film. The antireflection film may generally include a plastic substrate that contains UV absorbers and an anti-reflection coating that is effective in the UV range of the spectrum.
Apple credits Cheng Chen, Kyung-Wook Kim and John Zhong as the inventors of this patent application which was originally filed in Q4 2012. To review this technical patent, see Apple's patent application 20130233482.
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