An electronic device is provided. The electronic device includes a first substrate and a second substrate. The second substrate is disposed opposite to the first substrate. A light control layer is disposed between the first substrate and the second substrate, and the light control layer includes a first optical axis. A negative phase retardation layer is disposed between the first substrate and the second substrate. The negative phase retardation layer includes a second optical axis. The first optical axis and the second optical axis are parallel to each other.

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.

An optical composite film includes a reflection grating film layer, an optically-uniaxial optical film layer, and a substrate layer. The optically-uniaxial optical film layer includes a plate-shaped portion and a plurality of refraction portions, where the plate-shaped portion is stacked on the reflection grating film layer, the plurality of refraction portions is disposed on a side of the plate-shaped portion away from the reflection grating film layer, and the plurality of refraction portions is selected from one type of camber columns and quadrangular prisms; and the substrate layer is stacked on a side of the plate-shaped portion close to the refraction portion, where the plurality of refraction portions is accommodated in the substrate layer, and a refractive index of the substrate layer is less than an extraordinary light refractive index of the optically-uniaxial optical film layer.

An optical composite film layer, comprising a first uniaxial optical film layer, a second uniaxial optical film layer, and a first grating film layer. The first uniaxial optical film layer comprises a platy portion and multiple refraction portions disposed on one side of the platy portion, and the multiple refraction portions are selected from one of cambered columns or quadrangular columns; the second uniaxial optical film layer is laminated on one side, close to the refraction portions, of the platy portion, the multiple refraction portions are received in the second uniaxial optical film layer, and the extraordinary light refractive index of the first uniaxial optical film layer is greater than the ordinary light refractive index of the second uniaxial optical film layer; and the first grating film layer is disposed on one side, far away from the first uniaxial optical film layer, of the second uniaxial optical film layer.

A light modulation device is disclosed herein. In some embodiments, a light modulation device includes a first polymer film substrate, a second polymer film substrate, an active liquid crystal layer disposed between the first and second polymer film substrates, wherein the active liquid crystal layer is capable of switching between a vertical orientation state and a twisting orientation state upon application of a voltage, each of the first and second polymer film substrates has an in-plane retardation of 4,000 nm or more for light having a wavelength of 550 nm, a ratio of an elongation (E1) in a first direction to an elongation (E2) in a second direction perpendicular to the first direction of 3 or more, and wherein an angle formed by the first directions of the first and second polymer film substrates is in a range of 0 degrees to 10 degrees.

This application relates to a laminate comprising: a first half wave plate; a second half wave plate; and a positive C plate provided between the first half wave plate and the second half wave plate and a liquid crystal display comprising the same.

A liquid crystal panel includes a substrate and a display medium layer. The display medium layer is located on the substrate. The display medium layer includes multiple first liquid crystal capsules and multiple second liquid crystal capsules. Each of the first liquid crystal capsules includes multiple first liquid crystal molecules. A dielectric anisotropy Δε of the first liquid crystal molecules is greater than 0. A refractive index of the first liquid crystal capsules on the z-axis is greater than refractive indices of the first liquid crystal capsules on the x-axis and on the y-axis. Each of the second liquid crystal capsules includes second liquid crystal molecules. A dielectric anisotropy Δε of the second liquid crystal molecules is greater than 0. A refractive index of the second liquid crystal capsules on the z-axis is smaller than refractive indices of the second liquid crystal capsules on the x-axis and on the y-axis.

A head-mounted display, or other near-to-eye display, incorporates optics that include a spatially-varying retarder (SVR). The SVR may be manufactured with a correction factor applied thereto in order to compensate for one or more manufacturing errors that are exhibited in a molded lens and/or a polarizing beam splitter included in the optics of the system.

The present invention provides a curved liquid crystal display panel and a display device. The curved liquid crystal display panel includes a middle region, an edge region, and has a cross-sectional structure including a first substrate, a second substrate disposed opposite to the first substrate, a liquid crystal layer disposed between the first substrate and the second substrate, a compensation layer disposed on a side of the second substrate in the middle region away from the liquid crystal layer, and compensating liquid crystal molecules filling a space between the second substrate and the compensation layer. A difference between a middle thickness of the middle region of the curved liquid crystal display panel and an edge thickness of the edge region of the curved liquid crystal display panel is less than or equal to a preset value. The present invention can improve transmittance and reduce color shift, thereby improving display effects.

A head-mounted display, or other near-to-eye display, incorporates optics that include a spatially-varying retarder (SVR). The SVR may be manufactured with a correction factor applied thereto in order to compensate for one or more manufacturing errors that are exhibited in a molded lens and/or a polarizing beam splitter included in the optics of the system.