Provided is a display device including a display panel, a polarizing layer on the display panel and including a linear polarizer having a stretched polymer film, an adhesive member directly on the linear polarizer, and a window on the adhesive member, wherein the adhesive member absorbs 90% or greater of light having a wavelength in a range of about 300 nm to about 380 nm, and may thus effectively protect the polarizing layer from ultraviolet light incident from the outside. In addition, the display device may obtain thinner thickness, thereby exhibiting excellent reliability.

A display apparatus including a frame, light emitting diode chips separated from each other and regularly arranged in a matrix on the frame, an optical part including a display panel and at least one of a phosphor sheet and an optical sheet, a light guide plate disposed between the frame and the optical part to cover the light emitting diode chips, at least one reflector disposed between the frame and the light guide plate to reflect at least part of light emitted from the light emitting diode chip to direct at least part of light emitted therefrom to the light guide plate, and a first-type electrode and a second-type electrode, in which at least one of the light emitting diode chips is a flip-chip type and includes a first-type semiconductor layer electrically connected to the first-type electrode and a second-type semiconductor layer electrically connected to the second-type electrode.

An electrochromic device includes a light transmissive first substrate, a working electrode disposed on the first substrate, a light transmissive second substrate facing the first substrate, a counter electrode disposed on the second substrate, and a lithium-rich anti-perovskite (LiRAP) material disposed between the first and second substrates. The LiRAP material includes an ionically conductive and electrically insulating LiRAP material.

There are provided a light absorption filter containing a resin, a dye having a main absorption wavelength band in a wavelength range of 400 to 700 nm, and a compound that generates a radical upon ultraviolet irradiation, where the resin is composed of a polymer having both a high affinity part and a low affinity part with respect to the dye and the compound that generates a radical upon ultraviolet irradiation, or a light absorption filter containing a dye having a main absorption wavelength band in a wavelength range of 400 to 700 nm and a resin composed of a polymer including a partial structure that generates a radical upon ultraviolet irradiation, an optical filter, a self-luminous display device, an organic electroluminescent display device, and a liquid crystal display device, in which this light absorption filter is used, as well as a manufacturing method for an optical filter.

A window and a transparent display device are provided. The window includes a transparent display panel, a transparent substrate, and an ultraviolet light shielding layer. The transparent substrate is disposed on the transparent display panel. The ultraviolet light shielding layer is disposed on the transparent display panel.

Disclosed are curved electrochromic devices comprising an electrochromic apparatus disposed between first and second curved layers of transparent material, and the first and second curved layers have exterior and inner surfaces, wherein the inner surfaces face the electrochromic apparatus. Also disclosed are processes for manufacturing the disclosed bubble visors.

According to one embodiment, a display device includes a display panel having a first surface, a second surface on a side opposite to the first surface, and a display area including pixels, a first cover member overlapping the display area and opposed to the first surface, and a second cover member overlapping the display area and opposed to the second surface. The first cover member has a first side surface close to a first end portion of the display panel, the second cover member has a second side surface close to the first end portion, and the first side surface is located between the first end portion and the second side surface in planar view.

A liquid crystal retardation film, a polarizing plate for light emitting displays including the same, and a light emitting display including the same are provided. The liquid crystal retardation film includes: a first retardation layer having no alignment layer, a UV absorbent primer layer, and a second retardation layer sequentially formed in the stated order, wherein each of the first retardation layer and the second retardation layer may be a liquid crystal layer.

A headset for augmented reality applications is provided. The headset includes at least one eyepiece configured to provide a see-through image to a user via a transparent optical component, and to provide an artificial image through a display, and a dimming shutter configured to adjust a transparency level of the transparent optical component. The dimming shutter further includes an active liquid crystal layer configured to adjust a transparency level according to an electrical power provided between two electrodes, and a photoactive layer configured to adjust the transparency level upon absorption of an ultraviolet radiation for a selected period of time. A default orientation of a host material in the active liquid crystal layer may be in a dark state or in a clear state, when no electrical power is provided. A method and a memory storing instructions to execute the method for use of the above device are also provided.

In the display device according to an embodiment, optical functional elements such as a prism sheet and a light diffusion layer are combined, and an optical composite sheet to which a light absorbing layer that selectively absorbs light of a specific wavelength band is inserted is used, so that the color gamut can be enhanced as compared with the prior art.