Abstract: Provided is a flexible cell unit and a method of manufacturing the same. The cell unit includes first and second substrates separated by a controlled distance maintained by spacers, filled with an electro-optic material and enclosed by a border seal. The method includes providing two sheets to form the first and second substrates, where at least one of the sheets is flexible, depositing an electro-optic material on at least one substrate, and roll-filling the cell by using one or more lamination rollers to pair the first and second substrates to within the controlled distance of each other and filling the controlled distance with the electro-optic material.

Abstract: A display device includes: a display substrate; a light amount control layer on the display substrate; a first polarizer on the light amount control layer; and a color conversion layer on the first polarizer. The color conversion layer includes a phosphor, the phosphor includes a quantum dot, the quantum dot including: a core; a first shell surrounding the core; and a second shell surrounding the first shell, and the quantum dot has a diameter ranging from about 2 nm to about 32 nm.

Abstract: A broadband ultraviolet illumination source for a characterization system is disclosed. The broadband ultraviolet illumination source includes an enclosure having one or more walls, the enclosure configured to contain a gas, and a plasma discharge device based on a graphene-dielectric-semiconductor (GOS) planar-type structure. The GOS structure includes a silicon substrate having a top surface, a dielectric layer disposed on the top surface of the silicon substrate, and at least one layer of graphene disposed on a top surface of the dielectric layer. A metal contact may be formed on the top surface of the graphene layer. The GOS structure has several advantages for use in an illumination source, such as low operating voltage (below 50 V), planar surface electron emission, and compatibility with standard semiconductor processes. The broadband ultraviolet illumination source further includes electrodes placed inside the enclosure or magnets placed outside the enclosure to increase the current density.

Abstract: The present application relates to a circularly polarizing plate and a use thereof. The present application can provide a circularly polarizing plate, which can be applied to a display device such as an organic light emitting display device to minimize blocking of light in the visible light region affecting image quality while blocking harmful ultraviolet rays appropriately and also has excellent durability. In addition, the present application can provide a circularly polarizing plate having excellent compensation characteristics at a viewing angle while ensuring process simplification and cost competitiveness.

Abstract: A display device includes a base substrate including a first folding portion, a first portion, and a second portion, a display element layer including first display elements, which are disposed on the first portion to emit a first light, and second display elements, which are disposed on the second portion to emit a second light, and a light control layer including a first region, which is disposed on the second portion and causes a first diffraction of the second light emitted from the second display elements, a second region, which guides the second light provided from the first region, and a third region, which is spaced apart from the first region with the second region interposed therebetween and emits the second light to an outside through a second diffraction of the second light.

Abstract: A masking device disposed over a display has a first viewing region, a second viewing region, a first operating mode, and a second operating mode, wherein in the first operating mode the masking device allows a first observer located in the first viewing region to observe information displayed on the display, and also allows a second observer located in the second viewing region to observe the displayed information, wherein in the second operating mode the masking device projects light to the second viewing region so as to prevent the second observer from observing the displayed information.

Abstract: An illumination source, comprising: (a) at least one coherent light emitting device (CLED) configured for emitting coherent light having an optical path; (b) at least one optical element in said optical path for converting at least a portion of said coherent light to incoherent light, said optical element being configured to emit said incoherent light in a direction; and (c) a light control mechanism (LCM) for altering said direction of said incoherent light.

Abstract: An optical device (100) for forming a distribution of a three-dimensional light field comprises: an array (102) of unit cells (104), a unit cell (104) being individually addressable for switching the optical property of the unit cell (104) between a first and a second condition; wherein the unit cells (104) are configured to be selectively active or inactive and wherein the array (102) comprises at least a first and a second disjoint subset (110; 112; 114; 116), and wherein the unit cells (104) in a subset (110; 112; 114; 116) are configured to be jointly switched from inactive to active, wherein the active unit cells (104) are configured to interact with an incident light beam (106) for forming the distribution of the three-dimensional light field; and wherein the optical device (100) is configured to address inactive unit cells (104) for switching the optical property of unit cells (104).

Abstract: A backlight module including a light guide plate, a light source, a prism sheet and a light absorbing sheet is provided. The light guide plate has a light incident surface, a light emitting surface connected to the light incident surface and a bottom surface opposite to the light emitting surface. At least one of the light emitting surface and the bottom surface of the light guide plate is disposed with a plurality of micro lens structures. The light source is disposed on a side of the light incident surface of the light guide plate. The prism sheet is overlapped with the light emitting surface of the light guide plate and has a plurality of prism structures facing the light emitting surface with an extending direction parallel to the light incident surface. The light absorbing sheet is disposed on a side of the bottom surface of the light guide plate.

Abstract: A backlight unit includes a light guide plate; a light source provided on a side surface of the light guide plate, and configured to inject light into the light guide plate; a circular polarizing reflective layer provided on a front surface of the light guide plate, and configured to reflect a first polarizing component and transmit a second polarizing component among components of light emitted from the light guide plate; and a cholesteric liquid crystal layer provided on the front surface of the circular polarizing reflective layer and including a plurality of regions, and configured to reflect or transmit the second polarizing component that has passed through the circular polarizing reflective layer according to a voltage applied to each of the plurality of regions.

Abstract: Embodiments of the present disclosure provide a transfer plate, a method for manufacturing a display panel, and the display panel. The transfer plate is configured to form an alignment film of a display panel. The display panel includes a display region and a light signal transmission region. The transfer plate includes a bottom plate and a protruding plate fixed to the bottom plate. The protruding plate includes a first area corresponding to the light signal transmission region, a first protruding structure is disposed in the first area, and a shape of the first protruding structure is adapted to a shape of the light signal transmission region.

Abstract: Disclosed herein are a test wiring structure, a test apparatus and a test system. The test wiring structure includes sequentially cascaded signal wirings. Each signal wiring includes a first interface and a second interface respectively located at the two ends of the signal wiring, and a cascade interface disposed on the signal wiring. In the sequentially cascaded signal wirings, the first interface and the second interface of a previous-stage signal wiring are respectively connected to the cascade interfaces of corresponding signal wirings in next-stage signal wirings. Moreover, the cascade interface of a first-stage signal wiring is used to connect to a test pad, and the first interfaces and the second interfaces of last-stage signal wirings are respectively used to connect to corresponding display panels.

Abstract: A multi-view display device (1) is switchable between a single view and a multiple view mode. The display device comprises a display panel (3) having rows and columns of pixels or sub-pixels (5) configured to produce a display output. A lenticular lens arrangement (9) is arranged over a display output side of the display panel and includes an array of lenticular lens elements (11) which comprise an electro-optic material (23) adjacent a non-switchable optically transparent layer (21). The electro-optic material comprises a cholesteric liquid crystal component having an ordinary refractive index and an extra-ordinary refractive index. The cholesteric liquid crystal component comprises a helical structure defined by a pitch which is selected such that a product of the pitch and the difference between the ordinary and extra-ordinary refractive indices is equal to or less than a visible light wavelength of the display output.

Abstract: A projection-type display device includes a liquid crystal device, a transmittance measuring device configured to measure a transmittance of a liquid crystal panel, and a cooling device. After a result of measurement of the transmittance by the transmittance measuring device changes by 10% relative to a default value, a control unit controls the cooling device to raise temperatures of a liquid crystal layer to be not less than 60° C. and not more than a nematic-isotropic phase transition temperature Tni-20° C. This makes it possible to efficiently sweep impurities from a display region to the outside of the display region without heating the liquid crystal layer more than necessary. In addition, a liquid crystal volume ratio V1/V2 of a liquid crystal device for blue among a plurality of liquid crystal devices is greater than that of the other liquid crystal panels, where V1 is a volume of liquid crystal at the inner side of a seal material, and V2 is a volume of the liquid crystal layer in the display region.

Abstract: A tunable photonic device and method of fabricating the same are provided. The tunable photonic device including a substrate and an actuator having a first end supported by the substrate and a second end in spaced relation to the substrate. A photonic structure is operatively connected to the actuator and a stimulus generator configured to selectively generate a stimulus to act on the actuator. The stimulus acting on the actuator causes deformation of the actuator and moves the photonic structure between first and second positions.

Abstract: An array substrate and a display panel are provided. The array substrate includes a base substrate and a plurality of pixel units distributed in an array on the base substrate. The pixel unit includes a common electrode and a pixel electrode positioned above the common electrode. Meanwhile, the pixel electrode includes a main electrode and a branch electrode electrically connected to the main electrode, and an orthographic projection of the common electrode on the base substrate coincides with at least a part of an orthographic projection of the main electrode on the base substrate.

Abstract: Improved ultraviolet field-emission lamps can be safely deployed close to people because they eliminate the use of toxic materials, mitigate heating issues, and emit light in a wavelength range that is safe for human exposure.

Abstract: An excimer lamp includes a discharge vessel in which a rare gas and a halogen are enclosed. The excimer lamp also includes at least one first electrode and at least one second electrode for generating a dielectric barrier discharge inside the discharge vessel. The discharge vessel has a discharge forming region and a non-discharge region such that discharging takes place in the discharge forming region and no discharging takes place in the non-discharge region. The discharge forming region is formed between the first electrode(s) and the second electrode(s). The non-discharge region communicates with the discharge forming region. The excimer lamp satisfies a following equation: (Vb×Ph)/Sd?4.50 where Vb [mm3] represents a space volume inside the discharge vessel, Sd [mm2] represents an inner surface area of the discharge vessel in the discharge forming region, and Ph [Torr] represents a halogen-atoms partial pressure enclosed in the discharge vessel.

Abstract: A device for emitting ultraviolet light includes at least one excimer lamp and a housing for the excimer lamp(s). Each excimer lamp has a discharge vessel filled with light-emitting gases, and a pair of first and second electrodes that are placed in contact with the discharge vessel and produce a dielectric barrier discharge inside the discharge vessel. The housing is made of an insulating and heat-resistant resin material. The housing is configured to house the excimer lamp(s), and has a light-emitting window that allows light with a center wavelength in a range from 200 nm to 230 nm emitted from the excimer lamp(s) to exit from the housing.

Abstract: An optoelectronic component includes an optoelectronic semiconductor chip including a carrier substrate, a first and a second side surface facing one another, respectively, and a third and a fourth side surface that intersect the first and second side surfaces, and a first main surface, at which at least one contact area is arranged, the carrier substrate being transparent to the emitted electromagnetic radiation, a transparent first potting compound directly adjacent to the first side surface; and a reflective potting compound directly adjacent to the second side surface and the carrier substrate and applied directly to the semiconductor chip.