公开(公告)号：US11780770B2

公开(公告)日：2023-10-10

申请号：US17468900

申请日：2021-09-08

Applicant: SCHOTT AG

Inventor： Ricarda Krechel ,  Vera Steigenberger ,  Michael Schwall ,  Daniel Caldwell ,  Ioannis Neitzel ,  Kurt Nattermann

IPC: C03C17/04 ,  C03C3/078 ,  C03C8/04 ,  C03C8/06 ,  C03C8/08 ,  C03C8/14 ,  C03C17/00

CPC classification number: C03C17/04 ,  C03C3/078 ,  C03C8/04 ,  C03C8/06 ,  C03C8/08 ,  C03C8/14 ,  C03C17/007 ,  C03C2207/00 ,  C03C2217/452 ,  C03C2217/485

Abstract: Glass elements are provided that include a coating and a sheet-like glass substrate. The sheet-like glass substrate has a first surface and a second surface opposite the first surface. The coating is disposed in at least some areas of at least one of the first and second surfaces. The coating is an inorganic glass-based coating that includes at least one glassy component; at least one pigment comprising pigment particles; and a filler. The filler is inorganic and includes filler particles with a d50 value, based on an equivalent diameter, of at least 0.1 μm and less than 10 μm.

公开(公告)号：US11609363B2

公开(公告)日：2023-03-21

申请号：US17034595

申请日：2020-09-28

Applicant: SCHOTT AG

Inventor： Kurt Nattermann ,  Jens Ulrich Thomas ,  Frank-Thomas Lentes ,  Thorsten Damm ,  Peter Naß

IPC: G02B5/00 ,  G02B27/01 ,  G02B1/115 ,  G06F3/01 ,  G06F3/02

Abstract: The present disclosure relates to a layered optical composite, in particular for use in an augmented reality device. In particular, the disclosure relates to a layered optical composite and a process for its preparation, a device comprising the layered optical composite and a process for its preparation, and the use of a layered optical composite in an augmented reality device.
The present disclosure relates to a layered optical composite comprising: a. a substrate having a front face and a back face, b. a coating comprising: i. a type T layer, and ii. a type C region comprising one or more type C layers; in which the substrate has: i. a thickness tG in the range from 0.2 to 1.2 mm; ii. a refractive index nG at a wavelength λ in the range from 1.6 to 2.4; and iii. an optical absorption coefficient KG at the wavelength λ of less than 10 cm−1; in which the type C layers individually and independently have: i. a thickness tC in the range from 9 to 250 nm; ii. a refractive index nC at the wavelength λ in the range from 1.35 to 2.43; and iii. an optical absorption coefficient KC at the wavelength λ of less than 106 cm−1; in which at least one type C layer has: i. an optical absorption coefficient at the wavelength λ of at least 100 cm−1; in which the type T layer has: i. a thickness tT in the range from 50 to 300 nm; ii. a refractive index nT at the wavelength λ in the range from 1.35 to 1.96; and iii. an optical absorption coefficient KT of less than 80 cm−1; in which the type C region and the type T layer are each superimposed over one face of the substrate with the type C region further than the type T layer from the substrate; in which λ is in the range from 430 to 670 nm.

公开(公告)号：US20220073420A1

公开(公告)日：2022-03-10

申请号：US17468900

申请日：2021-09-08

Applicant: SCHOTT AG

Inventor： Ricarda Krechel ,  Vera Steigenberger ,  Michael Schwall ,  Daniel Caldwell ,  Ioannis Neitzel ,  Kurt Nattermann

IPC: C03C17/04 ,  C03C17/00 ,  C03C8/14 ,  C03C8/04 ,  C03C8/06 ,  C03C8/08 ,  C03C3/078

Abstract: Glass elements are provided that include a coating and a sheet-like glass substrate. The sheet-like glass substrate has a first surface and a second surface opposite the first surface. The coating is disposed in at least some areas of at least one of the first and second surfaces. The coating is an inorganic glass-based coating that includes at least one glassy component; at least one pigment comprising pigment particles; and a filler. The filler is inorganic and includes filler particles with a d50 value, based on an equivalent diameter, of at least 0.1 μm and less than 10 μm.

公开(公告)号：US10416055B2

公开(公告)日：2019-09-17

申请号：US15444656

申请日：2017-02-28

Applicant: SCHOTT AG

Inventor： Markus Heiss-Chouquet ,  Kurt Nattermann ,  Clemens Ottermann

IPC: G01N3/10 ,  G01N33/38 ,  G01N3/08 ,  G01N3/20

Abstract: An improved measurement method and a corresponding measurement device are provided that measure the edge strength of plate-shaped elements made of brittle-fracture material. For this purpose, a long sample is drawn apart at the short edges, wherein the force transmission points lie next to the center of gravity of the base surface of the sample.