US2008049305A1PendingUtilityA1
Image display device and evaluating method of glass substrate for use in it
Est. expiryNov 29, 2022(expired)· nominal 20-yr term from priority
G09F 9/30H01J 11/44G01N 21/33H01J 11/34H01J 11/12H01J 2211/442Y10S359/90
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Claims
Abstract
The present invention provides an image display device capable of displaying a good image by suppressing yellowing of a glass substrate, and an evaluating method of the glass substrate. The image display device is formed using the glass substrate where reflectance at wavelength of 220 nm is 5% or lower. In the evaluating method of the glass substrate for the image display device, Sn ++ content in the glass substrate is analyzed using reflectance at wavelength of 220 nm.
Claims
exact text as granted — not AI-modified1 - 5 . (canceled)
6 . An image display device employing a glass substrate in which a mean reflectance at wavelength of 200 to 250 nm is 5% or lower.
7 - 11 . (canceled)
12 . An evaluating method of a glass substrate for an image display device,
wherein Sn ++ content in the glass substrate is analyzed using a mean reflectance at wavelength of 200 to 250 nm.Join the waitlist — get patent alerts
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