A display device is disclosed, which includes: a first substrate having a first hole and a second hole; and a circuit layer disposed at one side of the first substrate, wherein the first hole has a first width, the second hole has a second width, and a ratio of the second width to the first width is within a range between 20 and 4000.

A first quantum dot protective film comprises a first barrier film including a silica deposition layer, and a first diffusion layer. An O/Si ratio of the silica deposition layer is 1.7 or more and 2.0 or less on an atomic ratio basis, and a refractive index of the silica deposition layer is 1.5 or more and 1.7 or less; and a reflectance of the first quantum dot protective film is 10% or more and 20% or less at each of wavelengths of 450 nm, 540 nm and 620 nm, and a transmittance of the first quantum dot protective film is 80% or more and 87% or less at each of wavelengths of 450 nm, 540 nm and 620 nm.

A segmented transparent LCD is disclosed that includes a LC module that is substantially transparent to visible light. The segmented transparent LCD includes an array of spaced apart display segments supported by the LCD module. Each display segment is configured to display a segment of the display image. Each display segment includes a non-specular light-redirecting segment configured to provide localized backlight to the display segment when the ambient light is incident thereon. The segmented transparent LCD allows for a display image to be displayed and viewed while also allowing a viewer to see through one or more transparent regions that separate the display segments. Methods of displaying a display image using the segmented transparent LCD are also disclosed.

A spatial light modulator (100) comprises a liquid crystal material (104), first and second electrodes (106, 108) disposed on opposing sides of the liquid crystal material (104), and a diffractive optical element (120) disposed between the electrodes (106, 108) and extending laterally across the modulator (100). The diffractive optical element (120) comprises an array of diffracting formations (122) formed from sub-wavelength structures. The array of diffracting formations (122) defines a phase profile adapted to modify the incident wavefront of light reflected off the second electrode and to apply a position-dependent wavefront correction to the incident wavefront of light.

A display device includes a lighting device, a display panel, a memory, and a correction circuit. The lighting device includes a light exit area defined into light exit sections corresponding to light sources. The display panel includes a display area disposed opposite the light exit area and including pixels. The memory stores data of pixel matrix linked to the display sections. The memory stores position data of the pixels that are not disposed opposite the corresponding light exit sections and deviation data when a position error is caused between the light exit area and the display area. The correction circuit is configured to determine whether the memory stores the position data of the pixels and link new pixel matrix units to the corresponding display sections based on the deviation data if a determination result is affirmative.

A display device includes a display module emitting collimated light along a propagation direction and an adjustment panel disposed on the display module. The adjustment panel includes a first substrate, a second substrate, a medium layer disposed between the first substrate and the second substrate, a first electrode layer disposed on the first substrate, and a second electrode layer disposed on the second substrate and facing the first electrode layer. The medium layer includes a first medium. When the adjustment panel is in a first enabled state, a voltage difference exists between the first substrate and the second substrate to form an electric field distribution. At least one equivalent dioptric structure is formed in the medium layer according to the electric field distribution. At least part of the collimated light passes through the equivalent dioptric structure and emits along a predetermined light emitting direction deflected from the propagation direction.

A multi-display system (e.g., a display including multiple display panels) includes at least first and second displays (e.g., display panels or display layers) arranged substantially parallel to each other in order to display three-dimensional (3D) features to a viewer(s). An optical element(s) such as at least a refractive beam mapper (RBM) is utilized in order to reduce moir interference.

An optical sheet 5 is an optical sheet, at least a first surface of the optical sheet has unevenness. A sparkle contrast of the first surface measured in conformity with JIS C 1006: 2019 is 4% or less. An arithmetic average roughness Ra of the first surface measured in conformity with JIS B 0601: 2001 (with an assessment length set to 290 ?m) may be 0.6 ?m or less. A peak count RPc of the first surface measured in conformity with JIS B 0601: 2001 (with an assessment length set to 290 ?m) may be 16 or more.

A step of forming a layered body including a resin layer (a) containing a resin A having positive intrinsic birefringence and a resin layer (b) containing a resin B having negative intrinsic birefringence, the resin layer (b) being provided on one side of the resin layer (a); a first stretching step of stretching the layered body in one direction at a temperature T1; and a second stretching step of, after the first stretching step, stretching the layered body in another direction that is approximately orthogonal to the previous stretching direction at a temperature T2 which is lower than the temperature T1 to obtain a phase difference plate are performed. By these steps, a phase difference plate wherein a slow axis of the resin layer (a) after the stretching treatment and a slow axis of the resin layer (b) after the stretching treatment are approximately parallel to each other, and in-plane retardation Rea and NZ coefficient NZa in the resin layer (a) after the stretching treatment, and in-plane retardation Reb and NZ coefficient NZb in the resin layer (b) after the stretching treatment satisfy specific relationship is obtained.

The present disclosure provides a liquid crystal display panel. The liquid crystal display panel includes an upper substrate, a lower substrate, a liquid crystal layer sandwiched between the upper and lower substrates, an upper regionalized polarizer disposed on the upper substrate including a plurality of first upper polarizing units and second upper polarizing units, and a lower regionalized polarizer disposed on the lower substrate including a plurality of first lower polarizing units and second lower polarizing units. The first lower polarizing units correspond to the first upper polarizing units. The second lower polarizing units correspond to the second upper polarizing units. The first upper polarizing units and the second upper polarizing units have mutually orthogonal polarization directions. The first lower polarizing units and the first upper polarizing units have mutually orthogonal polarization directions. The second lower polarizing units and the second upper polarizing units have mutually orthogonal polarization directions.