An optical coating has a siloxane polymer and noble metal particles. The coating has an index of refraction that is different for in-plane and out-of-plane. The coating has reverse optical dispersion within the visible wavelength range, and preferably a maximum absorption peak between 400-1000 nm wavelength range is greater than 700 nm. In one example the metal particles are noble metal nanorods having an average particle width of less than 400 nm.

A polarizing component and a display panel are provided in embodiments of the disclosure, the polarizing component comprising: a first polarizer on a light-incident side thereof, and configured to polarize a light incident thereon into a first linearly polarized light; a wave plate layer on a surface of the first polarizer facing away from the light-incident side; and a second polarizer on a surface of the wave plate layer facing away from the light-incident side, on a light-emergent side opposite to the light-incident side, and configured to polarize a light incident thereon into a second linearly polarized light; the wave plate layer comprises a phase delay portion configured to delay a phase of the first linearly polarized light incident thereon in a direction different from a direction of an optical axis of the phase delay portion such that a polarized light exiting the phase delay portion comprises a first polarized light in a first polarization direction and a second polarized light in a second polarization direction, without incurring any phase delay of the first linearly polarized light incident on the phase delay portion in a direction consistent with the direction of the optical axis of the phase delay portion.

Provided are a phase difference film that has a small change in tint in a case where the phase difference film is combined with a polarizer and then applied as a circularly polarizing plate to a display device, and the display device is observed from an oblique direction at all azimuthal angles; as well as a circularly polarizing plate and a display device. The phase difference film includes a first optically anisotropic layer, a second optically anisotropic layer, a third optically anisotropic layer, and a fourth optically anisotropic layer in this order, in which the first optically anisotropic layer is a C-plate, the second optically anisotropic layer is an A-plate, the third optically anisotropic layer is a layer formed by fixing a liquid crystal compound twist-aligned along a helical axis extending in a thickness direction, and the first, second third, and fourth optically anisotropic layers have a predetermined configuration.

A vertical alignment liquid crystal display module including a vertical alignment liquid crystal display panel and an image color switch film is provided. The image color switch film is disposed on the vertical alignment liquid crystal display panel. In various viewing angle directions having included angles of 60 degrees to 75 degrees with respect to a normal of the image color switch film, the image color switch film has a following optical characteristic: an average transmittance of a visible light transmittance spectrum of the image color switch film at an end of short wavelength is less than an average transmittance of the visible light transmittance spectrum of the image color switch film at an end of long wavelength.

Systems and methods for providing a display for an electronic device that includes a liquid crystal display panel assembly, a backlight assembly that includes a light source, and a spatially varying polarizer that provides phase retardation that varies as a function of propagation length away from the light source. The display may also include a linear polarizer and other optical components that improve the efficiency of the backlight assembly, thereby reducing power consumption, cost, space requirements, and provide other advantages.

A wearable display system includes an eyepiece stack having a world side and a user side opposite the world side. During use, a user positioned on the user side views displayed images delivered by the wearable display system via the eyepiece stack which augment the user's field of view of the user's environment. The system also includes an optical attenuator arranged on the world side of the of the eyepiece stack, the optical attenuator having a layer of a birefringent material having a plurality of domains each having a principal optic axis oriented in a corresponding direction different from the direction of other domains. Each domain of the optical attenuator reduces transmission of visible light incident on the optical attenuator for a corresponding different range of angles of incidence.

A transmissive liquid crystal diffraction element includes a rod-like liquid crystal layer where a rod-like liquid crystal compound is aligned and a disk-like liquid crystal layer where a disk-like liquid crystal compound is aligned that are alternately laminated, in which each of the liquid crystal layers has a predetermined liquid crystal alignment pattern, rotation directions of optical axes in the liquid crystal alignment patterns are the same, single periods of the liquid crystal alignment patterns are the same, a thickness direction retardation |Rth| of each of the liquid crystal layers is 65 nm or less, and at an interface between the liquid crystal layers, longitudinal directions of the liquid crystal compounds match with each other.

Provided is a liquid crystal display device and a polarizing plate capable of improving the contrast ratio in the front direction. The polarizing plate includes a pair of polarizers including a first polarizer and a second polarizer whose transmission axes are parallel to each other; a retarder between the paired polarizers; and a diffusion layer in at least one of a region between the paired polarizers or a region on a side without the retarder of the first polarizer.

Systems and methods for providing a polarization recycling structure for use in applications, such as display systems that include a liquid crystal display assembly. The polarization recycling structure may include a first spatially varying polarizer spaced apart from a second spatially varying polarizer. The first spatially varying polarizer may include a lens array that receives light from a light source and focuses light of a first polarization state and passes light of a second polarization state. The second spatially varying polarizer receive light from the first spatially varying polarizer, passes the focused light of the first polarization state, and transforms the light of the second polarization state into the first polarization state, thereby providing only light of the first polarization state at the output of the polarization recycling structure. The polarization recycling structures improve the efficiency of lighting subsystems, thereby reducing power consumption, cost, space requirements, and providing other advantages.

A vertical alignment liquid crystal display module including a vertical alignment liquid crystal display panel and an image color switch film is provided. The image color switch film is disposed on the vertical alignment liquid crystal display panel. In various viewing angle directions having included angles of 60 degrees to 75 degrees with respect to a normal of the image color switch film, the image color switch film has a following optical characteristic: an average transmittance of a visible light transmittance spectrum of the image color switch film at an end of short wavelength is less than an average transmittance of the visible light transmittance spectrum of the image color switch film at an end of long wavelength.