Nippon Electric Glass has patented a display cover member with an uneven surface to reduce background reflection and improve anti-sparkle properties. The coating film is made of silicon oxide, without scattering particles, and meets specific roughness criteria. GlobalData’s report on Nippon Electric Glass gives a 360-degree view of the company including its patenting strategy. Buy the report here.
According to GlobalData’s company profile on Nippon Electric Glass, Hydrogen storage alloys was a key innovation area identified from patents. Nippon Electric Glass's grant share as of January 2024 was 25%. Grant share is based on the ratio of number of grants to total number of patents.
Display cover member with anti-sparkle properties and less reflection
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A recently granted patent (Publication Number: US11884576B2) discloses a display cover member with a unique coating film that covers a light-transmissive plate. The coating film, made of silicon oxide and without scattering particles, features an uneven surface with specific roughness parameters defined by JIS B 0601-2013. The patent claims specify requirements for the mean width of roughness profile elements, the ratio between the average inclined angle and kurtosis of the roughness profile, as well as other characteristics such as haze, arithmetic mean roughness, skewness, and pencil hardness.
Furthermore, the patent also includes a method for producing the display cover member, involving the formation of the coating film by spraying on a light-transmissive plate. The method highlights the use of a glass plate as the light-transmissive plate, with the option of chemically strengthening the glass plate after the coating film is applied. The patent emphasizes the importance of using a strengthened glass plate in the production process, aligning with the specific requirements outlined in the claims for the display cover member's coating film and overall characteristics.
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