B32B17/10633

LAMINATED GLAZING REFLECTING INFRARED
20220184929 · 2022-06-16 ·

A laminated glazing includes an outer sheet of clear glass and an inner sheet of clear glass, which are joined to one another by an interlayer of plastic, includes the succession of the following elements, from the inside to the outside of the glazing: the inner sheet of clear glass, a stack of layers reflecting infrared radiation between 780 nm and 2500 nm, the interlayer including successively a) a first thin sheet including a layer of a polymer compound or of a varnish, the polymer compound or the varnish including a dye, the dye absorbing substantially all of the light within the visible region and being substantially transparent to the infrared, b) a second thin sheet of an untinted plastic, the outer sheet of clear glass.

Sunroof for a motor vehicle
11358373 · 2022-06-14 · ·

The invention relates to a sunroof for a motor vehicle including two glass sheets (1, 3) joined together by a thermoplastic insert (2), wherein the sheet (1) directed toward the outside is annealed, and the sheet (3) directed toward the inside is made of tempered glass, the total thickness of the glass sheets being no greater than 5 mm, and preferably no greater than 4.5 mm.

Laminated Glazing and Process
20220176681 · 2022-06-09 · ·

A laminated glazing has a first glass ply having first and second surfaces, a second glass ply having third and fourth surfaces, an obscuration band around at least a portion of the glazing periphery, the obscuration band having a sensor window and comprising first and second obscuration layers, the first obscuration layer adhered to at least a portion of the periphery of the first/second surface and comprising a first sensor window portion having a first sensor window portion optical distortion, the second obscuration layer adhered to at least a portion of the periphery of the third/fourth surface and comprising a second sensor window portion having a second sensor window portion optical distortion. first and second sensor window portion optical distortions are each controlled so the absolute magnitude of the optical distortion of the sensor window is lower than the absolute magnitude of the first and second sensor window optical distortions.

POLYMER COATING LAYERS FOR USE WITH HOLOGRAPHIC OPTICAL ELEMENTS
20220161525 · 2022-05-26 · ·

Tie layers and structures that exhibit superior properties and that provide desirable optical properties when incorporated into laminates, such as windshields, windows or other glazings containing a holographic optical element (HOE) are disclosed. The tie layers, when used in a laminate in conjunction with the HOE film, optionally with additional polymer layers, maintain and do not detract from the HOE film properties.

THERMOPLASTIC FILM AND LAMINATED GLASS

A thermoplastic film 10 is a thermoplastic film comprising a light-emitting layer 11, wherein the light-emitting layer 11 comprises a thermoplastic resin and a light-emitting material that emits light by being irradiated with excitation light, and a change in yellowness of laminated glass obtained by bonding two sheets of clear glass in accordance with JIS R 3211 (1998) having a thickness of 2.5 mm with the thermoplastic film interposed therebetween after conducting a light resistance test for 2000 hours based on JIS R3205 2005 is 4 or less. The present invention provides a thermoplastic film comprising a light-emitting material, in which the emission intensity is unlikely to lower even when the thermoplastic film is exposed to ultraviolet rays for a long period of time.

Laminated glass

Provided is laminated glass capable of preventing generation of a void in the interlayer film in an end part of laminated glass, and keeping the appearance of laminated glass excellent. Laminated glass according to the present invention is laminate glass including a first lamination glass member, a second lamination glass member, and an interlayer film containing a thermoplastic resin, and no void is generated in the interlayer film irradiated with light in an end part of the laminated glass after a first light irradiation test: “conducting 4 cycles each cycle including the process of irradiating the laminated glass with xenon light 180 W/m.sup.2 at a black panel temperature of 83° C. and a humidity of 50% RH for 144 hours, and dipping the laminated glass in pure water at 80° C. for 24 hours”, or a void is generated within a length of 1 mm or less inwardly from an end part of the interlayer film irradiated with light in the end part of the laminated glass after the first light irradiation test.

THERMOPLASTIC FILM AND LAMINATED GLASS

A thermoplastic film 10 is a thermoplastic film comprising a light-emitting layer 11, wherein the light-emitting layer 11 comprises a thermoplastic resin and a light-emitting material that emits light by being irradiated with excitation light, and when laminated glass obtained by bonding two sheets of clear glass in accordance with JIS R 3211(1998) having a thickness of 2.5 mm with the thermoplastic film interposed therebetween is irradiated, from one surface, with excitation light, which the light-emitting material is capable of absorbing, in a quantity of light of 7 mW/cm.sup.2, a difference between luminance A observed on a side of the one surface and luminance B observed on a side of the other surface, (A-B), is 5 cd/m.sup.2 or more. According to the present invention, a thermoplastic film such that when laminated glass is made using the thermoplastic film, information is displayed relatively strongly on one surface, and the information is displayed relatively weakly on the other surface, and a laminated glass comprising this thermoplastic film can be provided.

LAMINATED GLASS AND VEHICLE SYSTEM

The present invention is a laminated glass having an average transmittance TA of 15% or less at a wavelength of 900 to 1300 nm through thereof from one face. According to the present invention, there can be provided a laminated glass by which monitoring can be properly carried out using infrared radiation even when an infrared monitoring system is introduced in various vehicles.

LAMINATED GLASS AND VEHICLE SYSTEM

The laminated glass of the present invention is a laminated glass comprising an infrared reflective layer, wherein an average reflectance R(A) at a wavelength of 900 to 1300 nm at an incident angle of 60° on one face is 20% or less. According to the present invention, even when an infrared reflective layer is provided in the laminated glass, infrared radiation incident on one face is prevented from being reflected on the infrared reflective layer, and monitoring accuracy in the infrared monitoring system is improved.

LAMINATED GLASS AND VEHICLE SYSTEM

The laminated glass of the present invention has a T/R rate (A) of larger than 1, the T/R rate (A) being calculated from the following formula (1):


T/R rate (A)=log 10(TA/100)/log 10(RA/100)  (1)

wherein an average transmittance at a wavelength of 900 to 1300 nm through one face is represented by TA, and a maximum reflectance at a wavelength of 900 to 1300 nm at an incident angle of 60° on the other face is represented by RA.