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US 10,766,222 B2Granted
Glass substrate and method for manufacturing the same, cover glass and method for manufacturing the same, personal digital assistant, and display device
AssigneeAGC Inc.
InventorsMasao Ozeki, Masahiko Tada, Makoto Sano, Osami Taito
Life of this patent
Estimating the term…
Abstract
In a glass substrate for extracting therefrom a plurality of cover glasses to protect a protection object, plural concave portions are provided in a front surface or back surface of the glass substrate. The glass substrate includes plural thin portions formed by providing the plural concave portions and a thick portion connecting to the thin portion, and a haze value of the thin portion is 8% or less.
Claims19
A cover glass to protect a protection object, wherein:
- at least one concave portion is provided in a front surface or back surface of the cover glass,
- the cover glass comprises a thin portion formed by providing the concave portion and a thick portion connecting to the thin portion,
- an anti-glare treated layer is included in at least a part of a surface of the cover glass,
- a refractive index of the anti-glare treated layer is smaller than that of a center part of the thick portion in a thickness direction of the cover glass in a section view, and
- a haze value of the thin portion is 8% or less.
2 more elements
A cover glass to protect a protection object, wherein:
- at least one concave portion is provided in a back surface of the cover glass,
- the cover glass comprises a thin portion formed by providing the concave portion and a thick portion connecting to the thin portion,
- a haze value of the thin portion is 8% or less,
- a printing layer is provided in the back surface of the cover glass, and
- the printing layer provided in the concave portion and the printing layer provided in the flat part not having the concave portion are different in a printing color or a printing texture.
2 more elements
A cover glass to protect a protection object, wherein:
- at least one concave portion is provided in a back surface of the cover glass,
- the cover glass comprises a thin portion formed by providing the concave portion and a thick portion connecting to the thin portion,
- a haze value of the thin portion is 8% or less,
- a printing layer is provided in the back surface of the cover glass, and
- the printing layer provided in a peripheral part of the concave portion is thicker than the printing layer provided in the thick portion.
2 more elements
Dependencies are inferred from the claim text.