Abstract: An image is formed on an architectural surface by applying to the surface, in order: a rear electrode layer; a light-transmissive front electrode layer; a photoconductive layer disposed between the front and rear electrode layers; and an electro-optic layer disposed between the front and rear electrode layers. A potential difference is applied between the front and rear electrode layers and the front electrode layer is imagewise exposed to radiation which causes a change in the conductivity of the photoconductive layer, thereby causing an imagewise change in the optical state of the electro-optic layer. Films for application to architectural surfaces are also provided.

Abstract: A glass has a density of 2.60 g/cm3 or lower, a Young's modulus of 88 GPa or more, a strain point of 650 to 720° C., a temperature T4 at which a glass viscosity reaches 104 dPa·s of 1,320° C. or lower, a glass surface devitrification temperature (Tc) of T4+20° C. or lower, and an average coefficient of thermal expansion of 30×10?7 to 43×10?7/° C. at 50 to 350° C. The glass contains, as represented by mol % based on oxides, 50 to 80% of SiO2, 8 to 20% of Al2O3, 0 to 0.5% in total of at least one kind of alkali metal oxide selected from the group consisting of Li2O, Na2O and K2O, and 0 to 1% of P2O5.

Abstract: An array substrate has a display area and a bezel area located on at least one side of the display area. The bezel area includes a bonding region. The array substrate includes a substrate, a plurality of signal lines, a plurality of conductive bumps, and an insulating layer. The signal lines are disposed on the substrate. The conductive blocks are disposed on a portion of the substrate located in the bonding region, and a conductive bump is connected to at least one signal line. The insulating layer covers the plurality of signal lines and is located between every two adjacent conductive bumps. The conductive bump includes a conductive metal layer. A distance from a surface of the conductive metal layer away from the substrate to the substrate is less than or equal to a distance from a surface of the insulating layer away from the substrate to the substrate.

Abstract: Provided is a flexible display device, including a flexible display panel and a support structure, the flexible display panel includes a main structure region, a bending region and an extension region, the bending region is bent to locate the extension region at a back of the main structure region, an accommodation space is formed between the main structure region, the extension region and the bending region, at least part of the support structure is located in the accommodation space, and one end of the support structure extends into a bending space surrounded by the bending region.

Abstract: A transmittance-variable device is provided in the present application. The present application provides a transmittance-variable device, which can be applied to various applications without causing problems such as a crosstalk phenomenon, a rainbow phenomenon or a mirroring phenomenon, while having excellent transmittance-variable characteristics.

Abstract: Described herein are liquid crystal (LC) assemblies that are dimmable and techniques for manufacturing LC assemblies. In one example, an LC assembly comprises: a first curved glass panel, a second curved glass panel, and a liquid crystal panel having a first outer surface and a second outer surface, a layer of a liquid adhesive attaching the first curved glass panel and the first outer surface of the liquid crystal panel, and a film adhesive attaching the second curved glass panel and the second outer surface of the liquid crystal panel.

Abstract: Various embodiments set forth optical patterning systems. Each pixel of the optical patterning systems includes an amplitude-modulating cell that is in line with a phase-modulating cell. The amplitude-modulating cell includes a liquid crystal and a drive method for modulating at least the amplitude of a wavefront of light that passes through the amplitude-modulating cell. The phase-modulating cell includes a liquid crystal and a drive method for modulating at least the phase of a wavefront of light that passes through the phase-modulating cell. In some embodiments, the amplitude-modulating cell shares a common ground with the phase-modulating cell. The amplitude-modulating cell and the phase-modulating cell can be used to independently control the amplitude change and phase delay imparted by the pixel, enabling complex wavefront modulation.

Abstract: The invention provides a display device including a display panel and a backlight module including a light guide plate, a light source, and an optical film. The light guide plate has light incident and exit surfaces. The light source is disposed at one side of the light incident surface. The optical film is overlapped with the light exit surface, and has first optical microstructures facing the light exit surface. The display panel includes a liquid crystal cell overlapped with the light exit surface, first and second polarizers respectively disposed at two opposite sides of the liquid crystal cell, and a phase retardation film disposed between the first and second polarizers. The first polarizer is located between the liquid crystal cell and the optical film. An axial direction of an optical axis of the phase retardation film is perpendicular to an axial direction of an absorption axis of the first polarizer.

Abstract: A display substrate includes a backplane, first light-emitting devices capable of emitting first color light, second light-emitting devices capable of emitting second color light that are all disposed on the backplane, a low-refractive-index intercalation layer disposed at a side, away from the backplane, of the first light-emitting devices and the second light-emitting devices, and an encapsulation layer. The encapsulation layer includes a first inorganic barrier layer, a first organic barrier layer and a second inorganic barrier layer that are sequentially stacked on a side of the low-refractive-index intercalation layer away from the backplane. A refractive index of the low-refractive-index intercalation layer is less than a refractive index of the first inorganic barrier layer.

Abstract: The present disclosure provides a display panel and a manufacturing method. The display panel includes: a base substrate including a display surface and a display back surface arranged opposite to each other, and a side surface connected to the display surface and the display back surface; a plurality of first wirings on the display surface of the base substrate; a plurality of second wirings on the display back surface of the base substrate; a transition body on the side surface of the base substrate and in contact with the first wirings and the second wirings, a surface of the transition body away from the side surface being a smooth curved surface; and a plurality of connection lines covering an outer surface of the transition body, each first wiring being electrically connected to a corresponding second wiring via a corresponding connection line.

Abstract: A display device having an active region and a non-active region, includes a first substrate, a second substrate, and a sealing layer. The first substrate includes a first substrate layer, a plurality of light-emitting units disposed on the first substrate layer in the active region, and a plurality of dams disposed on the first substrate layer in the non-active region. The second substrate includes a plurality of light conversion units in the active region. The sealing layer is disposed between the first substrate and the second substrate, wherein the sealing layer includes a first portion disposed in the non-active region and a second portion disposed in the active region, and the first portion and the second portion are continuous, wherein at least a part of the first portion of the sealing layer is disposed between at least two of the plurality of dams.

Abstract: An electronic device may have a display, a display cover layer, and an image transport layer formed from a coherent fiber bundle. The coherent fiber bundle may be placed between the display and the display cover layer. A gap may separate the coherent fiber bundle from the display cover layer. Adhesive in the gap may attach the coherent fiber bundle to the display cover layer. Molded polymer may be coupled to a bent edge of the display, a portion of the display with backside contacts, or components coupled to the backside contacts or other portions of the display. The molded polymer may support the coherent fiber bundle relative to the cover layer. The molded polymer may be molded to an inner surface of the cover layer and may be used to receive fasteners or otherwise facilitate mounting of housing structures and components in the device.

Abstract: A display substrate is disclosed. The disclosed display substrate can comprise: a thin film transistor substrate; a plurality of micro LEDs arranged on one surface of the thin film transistor substrate; a rear substrate having one surface coupled to the other surface of the thin film transistor substrate, and having at least a part of an edge protruding further than the edge of the thin film transistor substrate so as to form a stepped part together with the thin film transistor substrate; and a plurality of wirings formed on the stepped part and the other surface of the rear substrate so as to electrically connect the one surface of the thin film transistor substrate and the other surface of the rear substrate.

Abstract: A display device is provided, including a substrates, a circuit board, and a plurality of wires. The substrates has an upper surface, a lower surface opposite to the upper surface, and a first side connecting the upper surface and the lower surface. The circuit board is disposed on the upper surface, and the plurality of wires is disposed on the upper surface and electrically connects the circuit board. The first side has a vertical portion and a first inclined portion, the vertical portion is substantially vertical to the upper surface and a portion is concave in a cross-sectional view. An included angle between the first inclined portion and the lower surface is greater than 90 degrees and less than 180 degrees, and the first inclined portion is greater than the vertical portion in roughness.

Abstract: A display device includes a display panel; a first upper support member on the display panel; and a second upper support member on the display panel and spaced from the first upper support member; and a blocking member including a blocking part crossing the first upper support member and the second upper support member, a first stretchable part connected to a side of the blocking part and including a plurality of openings, a second stretchable part connected to another side of the blocking part and including a plurality of openings, a first fixing part connected to the first stretchable part, and a second fixing part connected to the second stretchable part.

Abstract: An electronic device includes a sustaining layer, multiple substrates, multiple photoelectric units, multiple signal layers, multiple driving structures, and a constraining structure. The substrates are arranged on a contact surface of the sustaining layer. A first end edge of at least one substrate approaches a first end edge of the sustaining layer, and a first side edge of one substrate is adjacent to a second side edge of another substrate. The photoelectric units are arranged on the first or/and second surfaces of the substrates. The signal layers are arranged on the substrates and electrically connected to the photoelectric units. The driving structures are electrically connected to the substrates and disposed close to the first or second end edge of the sustaining layer. The constraining structure constrains the first or second end edge of the sustaining layer, and at least one driving structure is accommodated in the constraining structure.

Abstract: A photomask according to an exemplary embodiment includes: a mask substrate; and a first test pattern and a second test pattern disposed along a first edge of the mask substrate, wherein the first test pattern has a first outer shape and a first inner shape, the second test pattern has a second outer shape, and the second outer shape of the second test pattern is larger than the first inner shape of the first test pattern and smaller than the first outer shape of the first test pattern.

Abstract: A gas barrier film includes: a substrate; and a gas barrier layer located on at least one surface of the substrate, the gas barrier layer containing an aqueous polyurethane resin that contains an acid group-containing polyurethane resin and a polyamine compound, a water soluble polymer, and an inorganic layered mineral, wherein, when a region from a top to a bottom of a cross-section of the gas barrier layer in a thickness direction, which is defined as a first region, is equally divided in the thickness direction into 11 strip regions, and a region different from the first region from a top to a bottom of a cross-section of the gas barrier layer in the thickness direction, which is defined as a second region.

Abstract: A semiconductor device including a large display portion with improved portability is provided. The display device includes a first display panel, a second display panel, and an adhesive layer. The area of the second display panel is larger than the area of the first display panel. The first display panel includes a first substrate, a second substrate, and a reflective liquid crystal element and a first transistor each positioned between the first substrate and the second substrate. The second display panel includes a first resin layer having flexibility, a second resin layer having flexibility, and a light-emitting element and a second transistor each positioned between the first resin layer and the second resin layer. The liquid crystal element has a function of reflecting light toward the second substrate side. The light-emitting element has a function of emitting light toward the second resin layer side.

Abstract: A display device includes a display panel and a housing structure foldable together with each other, each including a first unfolded portion, a first folded portion, a second unfolded portion, a second folded portion and a third unfolded portion in order along a first direction, and first and second end portions respectively corresponding to outer edges of the third and second unfolded portions. The second end portion of the housing structure further includes a body portion, edge portions extended from the body portion and facing each other along a second direction, and a first protruding portion between the edge portions and protruded further from the edge portions in a direction away from the body portion. The display panel which is folded disposes the first protruding portion of the second end portion facing the display panel at the second unfolded portion thereof.

Abstract: A display panel is disclosed. The disclosed display panel includes a thin film transistor substrate, a plurality of micro LEDs arranged on one surface of the thin film transistor substrate, a plurality of first connection pads disposed on the one surface of the thin film transistor substrate, a plurality of second connection pads disposed on the other surface of the thin film transistor substrate that faces the one surface, and a plurality of connection wirings disposed on a side surface of the thin film transistor substrate for electrically connecting each of the plurality of first connection pads and the plurality of second connection pads, wherein at least one of an edge region on the one surface and an edge region on the other surface of the thin film transistor substrate includes a cutting area which is cut in an inward direction of the thin film transistor substrate.

Abstract: An information processing system includes an information processing apparatus and an image forming apparatus. The information processing apparatus includes first circuitry to receive a designating operation for executing lamination processing, and transmit image data and designation data indicating that the designation operation for executing lamination processing has been received. The image forming apparatus includes second circuitry to receive the image data and the designation data, form an image on a recording medium based on the image data, and execute, in response to receiving the designation data, the lamination processing on the recording medium on which the image is formed with film.

Abstract: A display device according to an embodiment includes a bendable housing, a flexible display module, a flexible external frame, and an internal frame. The display module includes a first surface facing the housing, a second surface opposite to the first surface, and a side surface connecting the first and second surfaces. The external frame has a base end portion connected to the housing and an edge portion integrally formed with the base end portion and facing the second surface, and covers the display module. The internal frame is arranged between the base end portion and the side surface, and has a Young's modulus larger than that of the external frame.

Abstract: An electronic device includes a window having a modulus of about 55 GPa to about 80 GPa, an panel including an electronic element, and a plurality of adhesive layers between the window and the panel, wherein a sum of thicknesses of the adhesive layers is less than about 200 ?m, wherein the adhesive layers include a first adhesive layer contacting the panel, and a second adhesive layer contacting the window, and wherein a thickness of the first adhesive layer is equal to or less than about ½ of the sum of the thicknesses of the adhesive layers.

Abstract: A display device comprising: a substrate; a plurality of display elements disposed on the substrate; and a diffraction pattern layer disposed on a path of light emitted from the plurality of display elements. The diffraction pattern layer comprises a plurality of diffraction patterns which is disposed with a predetermined pitch, and the plurality of diffraction patterns do not overlap the plurality of display elements; and when a width of a cross section of each of the plurality of diffraction patterns is defined as a length of each diffraction pattern, the predetermined pitch and the length of each diffraction pattern satisfy the following inequation: 0.4?d1/DP1<1, where DP1 denotes the predetermined pitch, and d1 denotes the length of each diffraction pattern.

Abstract: A privacy display comprises a spatial light modulator and a compensated switchable guest-host liquid crystal retarder arranged between first and second polarisers arranged in series with the spatial light modulator. In a privacy mode of operation, on-axis light from the spatial light modulator is directed without loss, whereas off-axis light has reduced luminance. The visibility of the display to off-axis snoopers is reduced by means of luminance reduction over a wide polar field. In a wide angle mode of operation, the switchable liquid crystal retardance is adjusted so that off-axis luminance is substantially unmodified.

Abstract: A power electronics module includes a glass layer with one or more vias extending through the glass layer and having an electrically and thermally conductive material disposed within the one or more vias, a power electronic device directly bonded to a first surface of the glass layer, and, a cooling structure thermally coupled to a second surface of the glass layer.

Abstract: An electronic device may have a display overlapped by an image transport layer such as a coherent fiber bundle or layer of Anderson localization material. The image transport layer may have an input surface that receives an image from the display and a corresponding output surface to which the image is transported. The input surface and output surface may have different shapes. During fabrication of the image transport layer, molding techniques, grinding and polishing techniques, and other processes may be used to deform the image transport layer and the shape of the output surface. To accommodate differences in material deformation and other factors that vary as a function of position across the image transport layer, the image transport layer may be formed from canes of fibers or other material with one or more properties that vary as a function of position.

Abstract: A wavelength-tunable etalon includes a pair of substrates, each comprising a reflection layer, an electrode, and an alignment layer on opposing surfaces of the pair of substrates; a first seal line configured to seal liquid crystal between the pair of substrates; and a second seal line configured to divide a space in which the liquid crystal is sealed into a main liquid crystal accommodating space configured to pass laser and a sub-liquid crystal accommodating space provided external of the main liquid crystal accommodating space. The first seal line comprises a sub inlet configured to fluidly communicate the main liquid crystal accommodating space with the sub-liquid crystal accommodating space.

Abstract: Provided is a flexible display device, including a flexible display panel and a support structure, the flexible display panel includes a main structure region, a bending region and an extension region, the bending region is bent to locate the extension region at a back of the main structure region, an accommodation space is formed between the main structure region, the extension region and the bending region, at least part of the support structure is located in the accommodation space, and one end of the support structure extends into a bending space surrounded by the bending region.

Abstract: An electronic device according to an embodiment includes a first housing, a second housing coupled to the first housing to slide in a first direction, and a display including a first area having one end coupled to one side of the first housing so as to be rotatable about an axis of rotation that faces in a second direction crossing the first direction and a second area adjacent to an opposite end of the first area. In a first state, the second housing is located in the first housing, one region of the second area of the display is folded toward a rear surface of the display, the display in a folded state is disposed on one surface of the first housing, and the first area of the display is visually exposed. In a second state, the display is unfolded such that the first area and the second area are visually exposed, and at least part of the second housing is withdrawn from the first housing and disposed on a rear surface of the second area of the display.

Abstract: A display panel includes gate lines, data lines, switching elements connected to the gate lines and the data lines, pixel electrodes connected to the switching elements and markers. The pixel electrode includes first, second third and fourth areas which are divided by a horizontal central line and a vertical central line. The first, second, third and fourth areas correspond to an upper-left portion, an upper-right portion, a lower-left portion and a lower-right portion of a central point of the pixel electrode. When the pixel electrode is disposed between first and second data lines and connected to the first data line, the marker is disposed in one of the first and third areas. When the pixel electrode is disposed between the first and second data lines and connected to the second data line, the marker is disposed in one of the second and fourth areas.

Abstract: An electronic device may have a display that displays an image. The image may be viewed through a display cover layer that overlaps the display. The display cover layer may include an optical coupling layer such as a coherent fiber bundle. A pixel expansion layer such as a diffractive layer may be incorporated between the optical coupling layer and a protective layer. The diffractive layer may create duplicate pixels to occupy otherwise non-light-emitting areas on the output surface of the display cover layer. The diffractive layer may also create duplicate pixels that overlap adjacent pixels to allow for brightness averaging. An adhesive layer or the protective layer may be used to form diffractive elements for the diffractive layer. An adhesive layer having a high index of refraction may be interposed between the optical coupling layer and the display panel to mitigate undesired reflections of ambient light.

Abstract: According to an aspect, an optical element includes: a first substrate including a first electrode; a second substrate stacked on the first substrate and including a second electrode; a liquid crystal layer provided between the first substrate and the second substrate; a sealing member extending along an outer periphery of the liquid crystal layer; a first spacer provided on an inner side of the sealing member; and a conductive column provided on an outer side of the sealing member and electrically connecting the first electrode and the second electrode. The conductive column and the first spacer include the same material.

Abstract: A display device including pixels including a thin film transistor, data lines, a first insulating layer, first and second touch lines, a second insulating layer having contact holes on connecting electrodes, first touch electrodes electrically connected to some of the first touch electrodes by at least one connecting electrode through at least two contact holes, second touch electrodes electrically connected to some of second touch electrodes by an extended portion between second touch electrodes, an integrated circuit, first pads connected to the integrated circuit, guard lines, and second pads including first, second, and third groups, in which each second pad of the first, second, and third group is electrically connected to one first touch line, one second touch line, and one guard line, respectively, and in which one second pad of the third group is between the second pads of the first group and the second group.

Abstract: A semiconductor device including a large display portion with improved portability is provided. The display device includes a first display panel, a second display panel, and an adhesive layer. The area of the second display panel is larger than the area of the first display panel. The first display panel includes a first substrate, a second substrate, and a reflective liquid crystal element and a first transistor each positioned between the first substrate and the second substrate. The second display panel includes a first resin layer having flexibility, a second resin layer having flexibility, and a light-emitting element and a second transistor each positioned between the first resin layer and the second resin layer. The liquid crystal element has a function of reflecting light toward the second substrate side. The light-emitting element has a function of emitting light toward the second resin layer side.

Abstract: An optical device is disclosed herein. In some embodiments, an optical device includes a first base film and a second base film, a light modulation layer existing between the first and second base films, electrode layers formed on surfaces of the first and second base films that face the light modulation layer, wherein each electrode layer comprises a first region capable of applying an electric field to the light modulation layer, and a second region connecting the electrode layer to an external power source, wherein the second region on the first base film and the second region on the second base film face each other, and an insulating layer disposed between the facing second regions of the first and second base films. The optical device is capable of preventing defects such as short circuits even when an external power source has been connected in an encapsulated structure.

Abstract: A wavelength-tunable etalon includes a pair of substrates, each comprising a reflection layer, an electrode, and an alignment layer on opposing surfaces of the pair of substrates; a first seal line configured to seal liquid crystal between the pair of substrates; and a second seal line configured to divide a space in which the liquid crystal is sealed into a main liquid crystal accommodating space configured to pass laser and a sub-liquid crystal accommodating space provided external of the main liquid crystal accommodating space. The first seal line comprises a sub inlet configured to fluidly communicate the main liquid crystal accommodating space with the sub-liquid crystal accommodating space.

Abstract: A transmittance-variable device is provided in the present application. The present application provides a transmittance-variable device, which can be applied to various applications without causing problems such as a crosstalk phenomenon, a rainbow phenomenon or a mirroring phenomenon, while having excellent transmittance-variable characteristics.

Abstract: The present application discloses a cutting method for a display panel, a display panel and a display device, the cutting method for a display panel including a cutting stage of a side edge of a binding area and a cutting stage of a side edge of a non-binding area, the cutting stage of a side edge of a non-binding area includes steps of: aligning a cutter according to an alignment mark preset on the side edge of the non-binding area on the display panel, so that a cutter on a second substrate side is closer to a display area of the display panel than a cutter on a first substrate side, and cutting the first substrate and the second substrate by the cutter on the second substrate side and the cutter on the first substrate side respectively.

Abstract: Provided are a display panel and manufacturing method thereof, control method and display apparatus. The display panel includes a first substrate including first base substrate and driving structure layer, and a second substrate including second base substrate and black matrix layer, driving structure layer includes multiple switching transistors, the display panel includes multiple pixel units, each pixel unit includes a switching transistor. One side of black matrix layer close to first substrate is provided with multiple groove structures corresponding to multiple pixel units one-to-one.

Abstract: Provided is a flexible display device, including a flexible display panel and a support structure, the flexible display panel includes a main structure region, a bending region and an extension region, the bending region is bent to locate the extension region at a back of the main structure region, an accommodation space is formed between the main structure region, the extension region and the bending region, at least part of the support structure is located in the accommodation space, and one end of the support structure extends into a bending space surrounded by the bending region.

Abstract: A display device includes: a substrate including an alignment area in a non-display area, and a display area including a plurality of material layers on the substrate; in the alignment area, a plurality of keys including a first alignment key and a second alignment key. Each alignment key includes a light blocking pattern, a layer pattern and a display pattern. The position of the display pattern within the first alignment key is different from the position of the display pattern within the second alignment key, the layer pattern of the alignment key and one material layer among the plurality of material layers are respective portions of a same material layer on the substrate, and the layer pattern of the first alignment key and the layer pattern of the second alignment key are respective portions of different material layers among the plurality of material layers on the substrate.

Abstract: An electronic device includes a substrate, multiple side wires, and a protection structure. The substrate has a first main surface, a side surface, and a first multi-turning surface connected between the first main surface and the side surface. The first multi-turning surface includes multiple first turning surfaces with differing normal directions. The side wires are disposed on the substrate. Each of the side wires extends from the first main surface over the first multi-turning surface to the side surface. The protection structure is disposed on the substrate and includes a wire protection part covering the side wires. The wire protection part has a first thickness at the side surface, a second thickness at the first main surface, and a third thickness at at least one of the first turning surfaces. The first thickness is greater than the second thickness, and the second thickness is greater than the third thickness.

Abstract: The present application provides an array substrate, a display panel and a display device. The array substrate includes a display area and an edge bending area located on one side of the display area, and further includes: a flexible base substrate, located in the display area and in the edge bending area; a first inorganic insulating layer, disposed on the flexible base substrate, where the first inorganic insulating layer has no pattern at least in the edge bending area; and a plurality of traces disposed on one side, facing away from the flexible base substrate, of the first inorganic insulating layer, where the plurality of traces extend from the display area to the edge bending area.

Abstract: The present disclosure illustrates a display panel manufacturing method including steps: disposing an alignment mark on a display panel; using an invisible-light identifier device to identify the alignment mark; and, processing the display panel according to the identified alignment mark. The invisible-light identifier device is configured to identify invisible light having wavelength longer than visible light.

Abstract: 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 first orientation state and a second orientation state different from the first orientation state under an applied voltage, the first and second polymer film substrates have 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.

Abstract: A semiconductor device including a large display portion with improved portability is provided. The display device includes a first display panel, a second display panel, and an adhesive layer. The area of the second display panel is larger than the area of the first display panel. The first display panel includes a first substrate, a second substrate, and a reflective liquid crystal element and a first transistor each positioned between the first substrate and the second substrate. The second display panel includes a first resin layer having flexibility, a second resin layer having flexibility, and a light-emitting element and a second transistor each positioned between the first resin layer and the second resin layer. The liquid crystal element has a function of reflecting light toward the second substrate side. The light-emitting element has a function of emitting light toward the second resin layer side.

Abstract: Disclosed are a light emitting diode display device and a multi-screen display device using the same, which include a reduced or minimized bezel area. The light emitting diode display device includes a substrate including a first display area and a second display area outside of the first display area, a plurality of first unit pixels in the first display area, the plurality of first unit pixels each including a plurality of subpixels each including a micro light emitting device, and a plurality of second unit pixels in the second display area adjacent an edge of the substrate. A distance between the second unit pixel and an outer surface of the substrate is equal to or less than half of a reference pixel pitch at which the plurality of first unit pixels are arranged.

Abstract: An illumination device includes: a light source; an optical component provided separately from the light source; a holding member holding the light source and the optical component; and a variable pressing member variably pressing the optical component against the holding member.