Patent ID: 11884577
Assignee: NIPPON ELECTRIC GLASS CO., LTD.
Field: Optics (Instruments)
Classification: CPC C  G | IPC C  G

Claim 0:
1. A display cover member comprising:
a light-transmissive plate; and
an inorganic film that covers at least a portion of a principal surface of the light-transmissive plate and has an uneven surface; wherein the inorganic film is made of an inorganic oxide;
the inorganic film contains no scattering particles and is a homogeneous film; and
a mean width of roughness profile elements (RSm) of the uneven surface defined by JIS B 0601-2013 is not less than 1 μm and not more than 30 μm; an average inclined angle (θ) of the roughness profile of the uneven surface is not less than 1.2° and not more than 7° ; and a kurtosis of the roughness profile (Rku) of the uneven surface defined by JIS B 0601-2013 is not less than 2.2 and not more than 10.