A head-up display device that is to be mounted in a moving vehicle and enables an occupant in the moving vehicle to view a virtual image based on a reflected image of S-polarized light in a projection section, the head-up display device including: an image projector configured to apply projection light including S-polarized light; and the projection section on which the projection light is to be projected. The projection section includes laminated glass including a first glass plate defining a surface of the laminated glass on which the projection light is to be incident, a second glass plate defining a surface of the laminated glass from which the projection light is to be emitted, and a half-wave plate disposed between the first glass plate and the second glass plate. The first glass plate and the second glass plate each are formed from a glass composition containing silicon oxide, iron oxide, and an alkali metal oxide. At least one of the first glass plate or the second glass plate has a thickness of 0.3 mm to 3 mm, a total iron oxide content in terms of Fe.sub.2O.sub.3 in the glass composition of 0.2% by mass to 2.0% by mass, and a FeO content of 0.1% by mass to 0.5% by mass. The half-wave plate has visible light transmittivity and is configured to transmit light with an a* value of −2.5 to 4.5 and a b* value of −1.0 to 7.0 in a CIE color system. The reflected image is formed on a surface of the first glass plate which is to face an inside of the vehicle. The second glass plate is configured to emit from a surface thereof which is to face an outside of the vehicle the projection light converted to P-polarized light.

The present invention relates to the technical field of head-up display, and particularly relates to a head-up display system for an automobile. The head-up display system comprises a projection light source and laminated glass, and further comprises a transparent nanofilm; said film comprises at least two dielectric layers and at least one metallic layer; the projection light source is used for generating p-polarized light; the p-polarized light is incident on a surface of an internal glass panel distal to an intermediate film, said light having an angle of incidence of 42 to 72 degrees, such that the transparent nanofilm can reflect part of the incident p-polarized light.

A display device includes a display panel including a front surface and a second surface which is opposite to the front surface; a front laminated structure attached to the front surface of the display panel; and a rear laminated structure attached to the second surface of the display panel. Each of the front laminated structure and the rear laminated structure includes a bonding member, and an average modulus of the bonding member of the front laminated structure is smaller than an average modulus of the bonding member of the rear laminated structure.

Methods for preparing multi-layer optical laminates include placing an optical film that is free form an adhesive layer between first and second glass substrates that are free of an adhesive layer, placing this laminate under vacuum, and then heating the laminate under pressure to a temperature above the softening temperature of the optical film. The glass substrates are free of an adhesive layer but may include a silane surface treatment. The resulting multi-layer laminate is optically clear and does not show scattering of reflected light by the optical film.

Objects are to provide a projection-image-displaying laminate film that enables, when used for, for example, a HUD, displaying of undistorted projection images of high-quality screen images, a laminated glass using the projection-image-displaying laminate film, and an image display system using the laminated glass. The objects are achieved with a projection-image-displaying laminate film including a half-mirror film including a selective reflection layer configured to wavelength-selectively reflect light, and a heat-sealing layer disposed on one surface of the half-mirror film, wherein the half-mirror film has a stiffness at 25° C. of 4.0 N.Math.mm or less, and the heat-sealing layer has a thickness of 40 μm or less, contains a thermoplastic resin, and has a surface opposite from the half-mirror film, the surface having a static coefficient of friction of 1.0 or less.

Provided is an optical laminate capable of contributing to reduction in weight and improvement in impact resistance of a display apparatus. The optical laminate includes a thin glass having a thickness of 100 μm or less and a polarizing plate arranged on one side of the thin glass, in which the polarizing plate includes a polarizer and a protective film arranged on a surface of the polarizer on a thin glass side. In one embodiment, the optical laminate of the present invention further includes an adhesion layer between the thin glass and the polarizing plate.

A projection assembly for a head-up display (HUD) includes a windshield, including an outer and inner pane joined to one another via a thermoplastic intermediate layer, and having an HUD region; and a projector directed at the HUD region. The radiation of the projector is predominantly p-polarised, and the windshield is provided with a reflective coating, which is suitable for reflecting p-polarised radiation. The reflective coating has exactly one electrically conductive layer and arranged one above and one below the electrically conductive layer are two dielectric layer sequences, each including n low-optical-refraction layers having an index of refraction less than 1.8 and (n+1) high-optical-refraction layers having an index of refraction greater than 1.8, arranged alternatingly in each case, wherein n is an integer greater than or equal to 1.

The present disclosure relates to an optical film includes (A) an optical functional layer and (B) a block layer, and (B) the block layer has a cured product of a resin composition containing (B-1) a thermoplastic resin and (B-2) an ultraviolet curable resin.

A composite pane for a head-up display, includes a first pane having a first surface and a second surface, a second pane having a first surface and a second surface, and a thermoplastic intermediate layer, which is arranged between the second surface of the first pane and the first surface (III) of the second pane, an HUD region, and a first coating for reflecting p-polarized radiation and has exactly one electrically conductive layer based on silver, wherein a second coating for reducing the total transmitted thermal radiation is provided.

A automobile laminated glass according to the present invention includes: a first glass plate that is formed into a rectangular shape; a second glass plate that is disposed so as to face the first glass plate, and is formed into a rectangular shape; an intermediate film that is disposed between the first glass plate and the second glass plate; a functional layer that is disposed between the first glass plate and the second glass plate; and an obstructing layer that is laminated on a peripheral edge portion of at least one of the first glass plate and the second glass plate, wherein the functional layer is formed so that an outer edge of at least a portion of the functional layer is located outward of an inner edge of the obstructing layer.