Provided is a liquid crystal device that includes a liquid crystal panel and a holder that holds the liquid crystal panel. The holder includes a placement part on which the liquid crystal panel is placed, and a fixing part that is provided at the placement part and fixed to the liquid crystal panel via an adhesive. The fixing part includes a recessed part, and the placement part includes a first protruding part that serves as a partition between the fixing part, and an element substrate and a counter substrate.

A liquid crystal alignment agent and a preparation method thereof, a liquid crystal alignment film and a preparation method thereof, and a liquid crystal cell are provided. A piperazine monomer is added to a liquid crystal alignment agent, a bulk resistance value and a surface resistance value of a liquid crystal alignment agent material can be reduced, and the ability of the liquid crystal alignment agent material to release residual charges can be effectively improved, thereby increasing the reliability and stability of an electronic product. The liquid crystal cell using the liquid crystal alignment agent has advantages such as high voltage holding ratio (VHR) and low residual voltage.

A liquid crystal display device includes a backlight unit and a liquid crystal display panel disposed on the backlight unit, wherein the backlight unit includes a light source unit and a plurality of optical sheets, wherein an optical sheet closest to the liquid crystal display panel among the plurality of optical sheets is a polarizing optical sheet and includes a base film and an optical pattern disposed on a surface of the base film, wherein at least one of the base film and the optical pattern includes an aligned organic fluorescent material.

A polarizing plate and a display device including the same is disclosed herein. In some embodiments, a polarizing plate includes a polarizer which allows only light polarized in a specific direction to pass through; and a haze adhesive film disposed on a one surface of the polarizer and having a haze of 49% to 65%, wherein the haze adhesive film is configured to adhere to the display device, and reduce moire occurring in the dual cell structure of the display device.

A flexible display apparatus includes a bending area and a non-bending area. The flexible display apparatus further includes a display panel and a polarizing structure disposed on the display panel. The polarizing structure includes a λ/4 phase retardation layer, a linear polarizer disposed on the λ/4 phase retardation layer, and a first adhesive structure disposed between the λ/4 phase retardation layer and the linear polarizer. The linear polarizer includes a stretched polymer film. The first adhesive structure is an adhesive layer with a glass transition temperature that is greater than or equal to 40° C. and less than or equal to 150° C. Accordingly, deformation of the λ/4 phase retardation layer may be prevented or reduced when the flexible display apparatus is folded or bent, thereby improving display quality.

A planar light source includes a mounting substrate, a plurality of light sources, a partition member, a frame body, a wavelength conversion member, and a light diffusion plate. The light sources are arranged two-dimensionally on the mounting substrate in a plan view. The partition member includes a wall portion surrounding each of the light sources except for outermost ones of the light sources in the plan view. The wall portions are located inward of the outermost ones of the light sources. The frame body has a bottom portion and a lateral wall surrounding the mounting substrate. The wavelength conversion member is disposed on the lateral wall of the frame body. The light diffusion plate is disposed above the plurality of light sources and the wavelength conversion member.

A flexible display device is configured to be bendable along at least one bending axis, have two opposite sides at both ends of the bending axis, respectively, and include a first substrate and a second substrate opposite to each other, and a hetero-shaped double-sided adhesive tape bonding the first substrate and the second substrate to each other on at least one of the two opposite sides. The hetero-shaped double-sided adhesive tape includes a lower adhesive layer, a base material layer, and an upper adhesive layer which are stacked together in sequence. In a stacking direction of the lower adhesive layer, the base material layer and the upper adhesive layer, the upper adhesive layer has a non-overlapping region that does not overlap the lower adhesive layer, and/or the lower adhesive layer has a non-overlapping region that does not overlap the upper adhesive layer.

Disclosed are a display panel and a display device, and the display panel includes a substrate, a thin ink film, and a protecting film stacked over each other, where an orthographical projection of the thin ink film onto the substrate covers an orthographical projection of the protecting film onto the substrate, an edge of the thin ink film is coated sealing glue.

A transmittance-variable film having a double-cell structure or a single-cell structure capable of suppressing formation of bubbles inside a liquid crystal layer or at the interface between a base film and a pressure-sensitive adhesive layer under high-temperature and high-humidity reliability conditions is provided. An exemplary transmittance-variable film can be applied to various applications, including various construction or automotive materials that require control of transmittance, or eyewear, such as augmented reality experience or sports goggles, sunglasses or helmets.

An electronic device includes a cover plate, a touch sensing layer, and a display module. The cover plate includes a glass layer and at least one transparent covering layer. The glass layer has a first surface and a second surface. The transparent covering layer is disposed on and in contact with at least one of the first surface or the second surface of the glass layer and is laminated with the glass layer. The touch sensing layer is disposed under the cover plate. The display module is disposed under the touch sensing layer.