Apparatus, systems and methods for improving strength of a thin glass cover for an electronic device are disclosed. In one embodiment, the glass member can have improved strength by forming its edges with a predetermined geometry and/or by chemically strengthening the edges. Advantageously, the glass member can be not only thin but also adequately strong to limit susceptibility to damage. In one embodiment, the glass member can pertain to a glass cover for a housing for an electronic device. The glass cover can be provided over or integrated with a display, such as a Liquid Crystal Display (LCD) display.

Techniques for Strengthening Glass Covers for Portable Electronic Devices

Coated substrates comprising an inorganic barrier coating and an interfacial coating, wherein the interfacial coating comprises a cured product of a silicone resin having silicon-bonded radiation-sensitive groups; and methods of preparing the coated substrates.

Coated substrates and methods for their preparation

Methods and apparatus for protecting the thin films during chemical and/or thermal edge strengthening treatment. In one embodiment, a portion of each individual sheet is laminated. Pairs of sheets are then sealed together such that the thin film sides face inward to form a thin film sandwich. In some embodiments, the sandwich in then immersed in a chemical strengthener. In other embodiments, a localized treatment is applied to the unstrengthened edges.

Full perimeter chemical strengthening of substrates

An electronic device having a housing structure that is configured to receive at least one glass cover is disclosed. The glass cover serves to cover a display assembly provided within the electronic device. The glass cover can be secured to the housing structure so as to facilitate providing a narrow border between an active display area and an outer edge of the housing structure. The enclosure for the electronic device can be thin yet be sufficiently strong to be suitable for use in electronic devices, such as portable electronic devices.

Housing for portable electronic device with reduced border region

An aqueous primer composition for facilitating and promoting good adhesion across an interface between a nonporous substrate and a polymeric coating composition contains from about 005 to about 03 parts by weight of an amimopropylsilane or a mercaptopropylsilane per 100 parts by weight of water and, optionally to facilitate adhesion under wet conditions, up to about 04 parts by weight of a hydrophobic silane per 100 parts by weight of water and aminopropylsilane or mercaptopropylsilane The primer composition is nontoxic, nonflammable and free or substantially free of any environmentally undesirable volatile organic components In accordance with a preferred aspect of the invention, the primer composition includes an effective amount of a conventional surfactant sufficient to uniformly wet the surface of the substrate to enable uniform dispersion of the silane coupling agent over the surface The primer composition is also preferably adjusted to a pH of from about 20 to about 55 to inhibit condensation or oligomerization of the silane coupling agent and thereby increase the useful shelf-life of the composition

Aqueous silane coupling agent solution for use as a sealant primer

A method is described for strengthening or restoring strength to a flat brittle oxide substrate (12) which includes the steps of coating the edges of the brittle oxide substrate (12) with a strengthening composition without coating a significant portion of the major flat surfaces of the substrate (12). The strengthened brittle oxide substrate (12), such as glass, and a window containing as a window pane the edge strengthened glass (12) are also provided.

Strengthening flat glass by edge coating

A method is described for strengthening or restoring strength to a brittle oxide substrate which includes the steps of coating the brittle oxide substrate with an aqueous solution containing a silane-based composition, and curing the coating to form a transparent layer on the brittle oxide substrate. Also disclosed are novel compositions used to coat brittle oxide substrates, and silane-coated brittle oxide containers.

Method for strengthening a brittle oxide substrate

Method for strengthening a brittle oxide substrate, silane-based compositions, and a polymerized cross-linked siloxane coated brittle oxide substrate

An improvement in the functional properties of a brittle substrate such as glass is achieved by application of an aqueous solution of a silane to the surface of the substrate. The solution comprises monomeric materials containing silanols, and incorporates at least one function such as strength, color and radiation modification. The materials of principal interest are silanes with at least one alkoxy group connected to silicon, and preferably having three alkoxy groups. The alkoxy silanes are dissolved in an aqueous solution in concentrations of from 1 to 100% by weight. After application, the coatings are cured. Coated articles are provided with useful characteristics.

Method and means for incorporating functionality into an article, and the article so produced

Brittle oxide substrates strengthened by cross-linkable silanes

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