Abstract: A process for charging a discharged electrochemical cell includes applying a voltage bias to the discharged electrochemical cell; and illuminating the cathode with a light source.

Abstract: An information display device is attachable to a structure and includes a display panel and a surface member. The display panel has a display surface and is configured to display information on the display surface. The surface member is on a display surface side of the display panel and in a state where only the information displayed on the display surface of the display panel is visible through the surface member when the display panel is turned on. The surface member includes a first layer on a front side, and a second layer on the display panel side with respect to the first layer, the second member being configured to adjust light transmittance of the surface member.

Abstract: Light-control panels including layered optical components are described in this application. An example of a light-control panel includes first and second glazing layers, first and second transitional layers extending between the first and second glazing layers that guide light emitted from a light source, and a third glazing layer extending between the first and second transitional layers through which light emitted from the light source is guided. The light-control panel also includes a light extraction layer extending between the third glazing layer and one of the first and second transitional layers that distributes light emitted from the light source. The first and second transitional layers have refractive indices that gradually decrease from a first value at surfaces proximate to the first and second glazing layers to a second value at surfaces proximate to the third glazing layer in the stack-up of the light-control panel.

Abstract: A liquid crystal display apparatus includes a quadrangular liquid crystal panel, a light guiding plate formed in a quadrangular shape substantially the same as that of the liquid crystal panel and having a pair of convex portions that protrude outward from a pair of end surfaces, and a frame having a light source holding plate in which a light source is mounted on a light source fixing plate, the light source fixing plate facing the one end surface, the back-side portion being formed in a quadrangular shape substantially the same as that of the liquid crystal panel. Bent side plate portions, which face the pair of end surfaces, are respectively provided on a pair of side portions of the back-side portion. Notches, into which the convex portions are fitted, are provided in the pair of bent side plate portions.

Abstract: A liquid crystal display apparatus includes a quadrangular liquid crystal panel having a reflection layer on a back surface opposite to a display surface, a light guiding plate that diffusely reflects light incident from one end surface of the light guiding plate toward the display surface, a back-side frame disposed in parallel with the liquid crystal panel on a side opposite to the light guiding plate, and a light source holding plate including a light source fixing plate that faces the one end surface and a fixing plate portion fixed to a surface of the back-side frame on a side opposite to the liquid crystal panel. A light source is mounted on the light source fixing plate, and the fixing plate portion is formed so as to be bent perpendicularly to the light source fixing plate.

Abstract: A lens driving mechanism is provided for driving a first lens and a second lens to move, wherein light enters the first and second lenses along a light incident direction. The lens driving mechanism includes a first base movably connected to the first lens, a first driving assembly, and a second driving assembly. The first driving assembly has a first magnet and a first coil corresponding thereto for moving the first lens. The second driving assembly has a second magnet and a second coil corresponding thereto for moving the second lens. The first magnet is adjacent to the second magnet, and the polar direction of the first magnet is parallel to the light incident direction.

Abstract: An electronic device includes a cover substrate defining a first surface and a second surface. A polarizer is coupled to the second surface of the cover substrate and an electro-optic element. A light source is coupled to the electro-optic element. A concealment layer extends proximate a perimeter of the electro-optic element. The concealment layer is positioned between the polarizer and the electro-optic element.

Abstract: A lighting device includes a frame having an access panel. At least one LED is coupled to an interior edge of the frame and a light guide panel is positioned in the frame such that an edge is in communication with the LED. At least one light injection optic is coupled to the LED and the edge of the light guide panel, and is configured to direct light from the LED toward the edge of the light guide panel. At least one reflector is coupled to the LED, and is configured to direct light from the LED toward the edge of the light guide panel. At least one reflective sheet is coupled to a rear surface of the light guide panel and at least one color conversion sheet is coupled to a front surface of the light guide panel. A cover is coupled to the rear of the frame.

Abstract: A display panel, a driving method thereof and a display device. The display panel includes a first substrate, a second substrate, a liquid layer and a first transparent electrode. The first substrate and the second substrate are cell-assembled to form a cell, and the liquid layer is provided in the cell (200), and the first transparent electrode is provided on one side of the first substrate closer to the liquid layer. The liquid layer includes a non-polar liquid and a polar liquid which are immiscible to each other; there is a first contact surface between the non-polar liquid and the first transparent electrode; the polar liquid and the first transparent electrode partially contact each other and have a second contact surface therebetween. The display panel is a kind of reflective type display panel.

Abstract: Provided is a backlight unit capable of causing light that has exited from a light guide plate to be incident to a liquid crystal panel with high efficiency. The object is achieved by providing the backlight unit including a light source; a light guide plate that causes light to be incident to through an edge face and to exit through one of principal surfaces; and an optical film disposed on a surface of the light guide plate, the surface being on the opposite side of the light exiting surface, in which the optical film has a plurality of reflective polarizing elements each having a curved surface, and/or a plurality of reflective polarizing elements each having an inclined surface that is inclined with respect to the direction of light propagation of the light guide plate.

Abstract: A lens driving mechanism is provided for driving a first lens and a second lens to move, wherein light enters the first and second lenses along a light incident direction. The lens driving mechanism includes a first base movably connected to the first lens, a first driving assembly, and a second driving assembly. The first driving assembly has a first magnet and a first coil corresponding thereto for moving the first lens. The second driving assembly has a second magnet and a second coil corresponding thereto for moving the second lens. The first magnet is adjacent to the second magnet, and the polar direction of the first magnet is parallel to the light incident direction.

Abstract: A display device includes a display panel, and a backlight unit including a light guide plate which guides light in an upward direction toward the display panel and including a transmission region and a reflection region; a supporting pattern at the reflection region; a reflection layer on upper and side surfaces of the supporting pattern; and an insulating layer which covers the transmission region and the reflection layer at the reflection region.

Abstract: A textured surface on the inward side of the high refractive index transparent front sheet in a reflective image display may lead to a display with a wider viewing angle. The textured surface may be in a random or a patterned array and may comprise microstructures that exhibit total internal reflection and Fresnel reflections. Electrophoretically mobile particles of similar size to the microstructures may improve coverage on the front sheet and improve frustration of TIR leading to darker dark states.

Abstract: A display apparatus includes: a display panel displaying an image; a light guide plate facing the display panel. The display panel and the light guide plate are coupled by a coupling member disposed at a peripheral portion of the display apparatus, and an optical sheet being interposed in a void formed between the display panel and the light guide plate. The coupling member includes a leg plate having a strip shape and two side plates protruding inward from both edges in a width direction of the leg plate approximately in parallel to each other. The coupling member is attached in such a way that the leg plate is provided along both a peripheral edge of the display panel and a peripheral edge of the light guide plate, one of the two side plates extending inward is provided along a facing surface of the display panel facing the light guide plate, and the other of the two side plates is provided along at least one surface of the light guide plate.

Abstract: A three-dimensional (3D) display driver includes a single buffer and a mapping circuit. The single buffer is configured to store a tiled image that includes a contiguously arranged plurality of tiles. Each tile represents a different 3D view of a 3D image. The different 3D views have associated angular ranges and principal angular directions. The mapping circuit is configured to access the stored tiled image and to map pixels from the different 3D views into pixels at corresponding locations in a composite image. The composite image is configured to spatially interleave the pixels from the different 3D views so that pixels from each of the different 3D views are distributed across the composite image. A 3D electronic display includes the mapping circuit.

Abstract: A planar illumination apparatus according to an embodiment includes a light guiding plate, a frame member, and an attenuation part. The light guiding plate includes a light extracting surface; and a light incident side surface on which light emitted from a light source is made incident. The light incident side surface is a side surface intersecting with the light extracting surface. The frame member including side walls are arranged to be along side surfaces other than the light incident side surface of the light guiding plate. The side walls are separated from the side surfaces. The attenuation part is arranged close to at least one of the side surfaces other than the light incident side surface to attenuate light emitted from the at least one side surface.

Abstract: A light modulation device includes a dielectric antenna and a refractive-index-variable layer which faces the dielectric antenna and comprises a material having a refractive index that changes according to a signal. A light may be modulated, since resonance characteristics of the dielectric antenna are controlled according to a refractive-index change of the refractive-index-variable layer.

Abstract: A wearable display apparatus includes a reflective light modulator having a front, a light guide plate placed at the front of the light modulator, a plurality of monochromatic light sources of different colors, and an optical assembly. The light guide plate has a first and a second major surface opposite to each other, and a light incidence surface connected with the first and second major surfaces, the light guide plate directing light received at the light incidence surface through the first major surface toward the light modulator. The monochromatic light sources are operable to emit light of different colors in a sequential manner. The optical assembly is arranged adjacent to the light incidence surface of the light guide plate, and is configured to homogenize and distribute the light emitted by each of the monochromatic light sources across the light incidence surface.

Abstract: A light emitting panel assembly is provided. The assembly includes: a light source; a transition area including a first major side and a second major side, wherein at least one of the first major side and the second major side includes a plurality of vertically extending flutes, wherein the flutes extend at least a portion of the height of the transition area; and an emission area in optical communication with the transition area, the emission area including light extraction elements.

Abstract: A display apparatus includes a display panel having a display surface on one surface thereof, a light guide plate disposed on the other surface side of the display panel, a substrate on which a plurality of light source elements disposed to face an end face of the light guide plate are mounted on one surface thereof, a support plate for supporting the substrate, and a frame body for covering a peripheral edge part of the display panel and the support plate, wherein the frame body and support plate have holes formed at positions thereof facing the end face, and the substrate has an insertion hole into which any one tip part of a screw or a clip fitted into the holes is inserted.

Abstract: A system for selectively controlling visibility of information in a work environment is provided. The system includes one or more polarized emissive screens located within the work environment. The screens have a first direction of polarization. Information displayed on the screens is visible from inside the work environment. The work environment includes at least one window which permits viewing of the polarized emissive screens from outside of the work environment. A polarizing filter having a second direction of polarization arranged at an angle to the first direction of polarization is positioned proximate to the window. From outside the work environment, the inside of the environment can be seen through the window, but with an altered view of the information on the displays.

Abstract: In various embodiments, a panel luminaire (300, 400, 500) may include a housing (302, 402) that frames a light aperture (304, 404), a linear substrate (308, 408) mounted to the housing along a first plane, at least one light source (306, 406) mounted along the linear substrate to emit light along the first plane, and a planar light guide (310, 410, 510) mounted to the housing parallel to the first plane. The planar light guide may include a light extraction feature (312) to extract light emitted by the at least one light source. In some embodiments, a portion (334) of a periphery (314) of the planar light guide may be curved to redirect light emitted by the at least one light source towards the light extraction feature. In some embodiments, the planar light guide and an aesthetic panel (418, 518) of the housing may be spaced apart to form a gap (420, 520) big enough to allow for the aesthetic panel to be three dimensional.

Abstract: A stereoscopic image display and a method for manufacturing the same are disclosed. The stereoscopic image display includes a display panel, a polarizing plate positioned on a display surface of the display panel, a patterned retarder film positioned on the polarizing plate, and a pattern layer positioned between the display surface of the display panel and the polarizing plate. The pattern layer has a pattern groove provided with an air layer therein. The pattern groove has a wide lower part contacting the display surface of the display panel and a narrow upper part contacting the polarizing plate.

Abstract: In one aspect, structures are provided that comprise (a) a one-dimensional periodic plurality of layers, wherein at least two of the layers have a refractive index differential sufficient to provide effective contrast; and (b) one or more light-emitting nanostructure materials effectively positioned with respect to the refractive index differential interface, wherein the structure provides a polarized output emission.

Abstract: The disclosure provides a light guide plate, a backlight unit, a display device and a display control system. The light guide plate has a first operation state and a second operation state. In the first operation state, an upper surface of the light guide plate is a surface where light comes out, and in the second operation state, the upper surface of the light guide plate includes a light exiting region and a non-light exiting region. In the technical solution of the present disclosure, when the display device performs a regional displaying, the light guide plate operates in the second operation state, here the upper surface of the light guide plate includes the light exiting region and the non-light exiting region; light emitted by a light source finally comes out from the light exiting region of the light guide plate after reflections inside the light guide plate.

Abstract: A highly reliable display device or electronic appliance is provided. The display device or a light-emitting device includes a substrate; a light-emitting element including a first electrode, an EL layer, and a second electrode; an organic resin film in contact with the light-emitting element; and an oxide semiconductor film in contact with the light-emitting element and the organic resin film. The oxide semiconductor film is in contact with the first electrode or the second electrode included in the light-emitting element. The oxide semiconductor film is in contact with an exposed portion of the organic resin film, typically, a side surface of the organic resin film. The light-emitting element and the organic resin film are positioned between the substrate and the oxide semiconductor film.

Abstract: The present invention provides an optical film assembly mounting structure, which includes: a first mold frame (6), a second mold frame (8) arranged on the first mold frame (6), and an optical film assembly (9) arranged between the first and second mold frame (6, 8). The first mold frame (6) carries the optical film assembly (9) thereon and the second mold frame (8) is positioned on and presses down the optical film assembly (9) so as to achieve secure mounting of the optical film assembly (9). The first mold frame (6) includes an inclined first upper surface (61). The second mold frame (8) includes a first bottom surface (81) and a second bottom surface (83) connected to the first bottom surface and having an inclination angle identical to that of the first upper surface (61). The optical film assembly (9) is positioned on the first upper surface (61) and the first and second bottom surfaces (81, 83) are positioned on and press down the optical film assembly (9).

Abstract: The present disclosure provides a light-emitting module. The light-emitting module includes a light guide, a plurality of light source and a light-adjusting film. The light-adjusting film has a first light absorption portion, a plurality of second light absorption portions and a plurality of light reflection portions. The second light absorption portions are individually extended from the projection position of the light sources on the first light absorption portion, and may absorb part of the light in front of the light sources; and each of the light reflection portions is between two of the adjacent second light adsorption portions, and may reflect the light shinning thereon.

Abstract: A backlight module having a light guide plate, an optical assembly disposed on an upper surface of the light guide plate, and a light shielding tape, the light guide plate includes a light guide plate body and a reinforcement member disposed at a non-incidence side end surface of the light guide plate body, and the light shielding tape is adhered to a portion of an upper surface of the optical assembly and extends to cover the reinforcement member. Further provided is a display device having the same.

Abstract: A tube lamp has a tubular portion that serves both as a light guide for energy from a solid state source and as a container for a material bearing a nanophosphor that is pumped by the energy from the source as the energy traverses the light guide. However, the tubular portion of the light guide also allows emission of light produced by the phosphor when excited. The material with the nanophosphor dispersed therein may appear either clear or translucent when the lamp is off and the nanophosphor is not excited by energy from the source.

Abstract: A backlight layer to be operatively coupled with an LCD panel, the backlight layer comprising: an illumination source configured to illuminate the LCD panel; a dual-mode infrared filter configured to filter an infrared spectrum of light emanating from the illumination source, wherein: when the dual-mode infrared filter is in an enabled mode, the dual-mode infrared filter is positioned in the path of the light emanating from the illumination source and before the light reaches the LCD panel, thereby filtering an infrared spectrum of the light, and when the dual-mode infrared filter is in a disabled mode, the dual-mode infrared filter is positioned out of the path of light emanating from the illumination source, thereby allowing a complete spectrum of the light to reach the LCD panel.

Abstract: A display module is provided. A light source is configured to provide an illumination beam. A light guide plate has a first surface, a second surface opposite to the first surface, and an incident surface connecting the first surface and the second surface. The illumination beam enters the light guide plate through the incident surface. An optical structure is connected to the light guide plate and configured to change a propagation direction of the illumination beam. A reflective display unit is capable of modulating a polarization state of the illumination beam to form a modulated beam. The second surface is disposed between the reflective display unit and the first surface. The first surface is disposed between the second surface and a reflective polarizer, and the reflective polarizer filters the modulated beam into an image beam.

Abstract: The invention discloses a backlight module.

Abstract: A system for selectively controlling visibility of information in an environment is provided. The system includes one or more polarized emissive screens and polarized non-emissive surfaces located within the work environment. The screens have a first direction of polarization and the surfaces have a direction of polarization substantially aligned with the first direction of polarization. Information displayed on the screens and surfaces are visible to a person inside the work environment. The work environment includes at least one window which permits viewing of the polarized emissive screens and non-emissive surfaces from outside of the work environment. A polarizing filter having a second direction of polarization arranged at an angle to the first direction of polarization is positioned proximate to the window. A person outside the work environment can see inside the environment through the window, but has an altered view of the information on the displays and surfaces.

Abstract: A display device includes: a supporting member including a body, and a supporter rotatably coupled to a side surface of the body; a display substrate on the supporting member, the display substrate including a first region, and a second region at an outer periphery of the first region; an emission layer on the first region and the second region of the display substrate; a polarizer on the emission layer and on the first region of the display substrate; a touch panel on the polarizer; and a window on the touch panel. The supporter is configured to support the second region of the display substrate such that the second region of the substrate is in a bent-state in a non-display region of the device.

Abstract: A first wafer is provided that includes an insulating layer, a first active layer, and a handle layer. The insulating layer has a first surface and a second surface. The first active layer contacts the first surface of the insulating layer. The handle layer contacts the second surface of the insulating layer. A second wafer is provided that includes a substrate and a second active layer. The substrate has a first surface and a second surface. The second active layer contacts the first surface of the substrate. The second wafer is bonded to the first wafer by physically connecting the first active layer to the second surface of the substrate. The handle layer is removed. A metal bond pad is formed on the second surface of the insulating layer. The metal bond pad is electrically connected to the first active layer.

Abstract: A liquid crystal display includes a first substrate, which includes a first surface and a second surface opposite to the first surface, the first surface of the first substrate including a TFT array and a color filter layer formed thereon, the color filter layer including a plurality of color filter units arranged in an array and gaps formed between adjacent color filter units; and a second substrate, which includes a third surface and a fourth surface opposite to the third surface, the third surface and the first surface facing each other, the third surface including a black matrix layer formed thereon and including a plurality of black matrixes respectively corresponding to the gaps between the plurality of color filter units, the black matrix layer including a layer of a transparent conductive film coated thereon. The material of the black matrix layer is molybdenum.

Abstract: A backlight module employing a diffusion plate is provided. The diffusion plate includes a main body and antireflection films formed on surfaces of the main body. The main body includes a light incident surface, and a light emitting surface opposite to the light incident surface. Each antireflection film has a number of antireflection film layers. A thickness of each antireflection film layer is less than a wavelength of visible light.

Abstract: An electronic device includes a stack assembly and a cover glass. The stack assembly includes an electronic paper display sub-assembly for rendering content, a front light sub-assembly for illuminating the electronic display sub-assembly, and a capacitive touch sensing sub-assembly for detecting touch inputs. The cover glass includes two apertures for the placement of control buttons for the electronic device. Prior to assembly of the electronic device, the cover glass is strengthened after the two apertures are formed so as to strengthen the interior edges of the apertures.

Abstract: A display includes a reflective display module, a light guide plate, at least one light source and a cover lens. The light guide plate includes a first light guide surface opposite to the reflective display module. The first light guide surface includes a light outgoing region and a peripheral region surrounding the light outgoing region. The light source is used for emitting a light to the light guide plate. The peripheral region of the first light guide surface is connected to the cover lens. The light outgoing region and the cover lens are spatially separated, and define an air gap therebetween.

Abstract: A display apparatus includes a display layer for generating images to be viewable from a viewing region and an aesthetic layer disposed over the display layer. Activation circuitry is coupled to activate the aesthetic layer in response to an input. When the aesthetic layer is activated, it emits or reflects aesthetic light.

Abstract: Provided is a reel unit for a gaming machine which suppresses decrease in visibility of a reel belt due to the formation of image of light source on a reel even if light emission intensity for illuminating the reel is high. It is provided a first light diffusion sheet with translucency having a light refraction surface including a surface formed thereon for refracting light passing therethrough in various directions, the first light diffusion sheet stacked on a base sheet; and a second light diffusion sheet having the light refraction surface, the second light diffusion sheet stacked on the first light diffusion sheet.

Abstract: In embodiments of active reflective surfaces, an imaging structure includes a circuit control layer that controls pixel activation to emit light. A reflective layer of the imaging structure reflects input light from an illumination source. An active color conversion material that is formed on the reflective layer converts the input light to the emitted light. The active color conversion material can be implemented as a phosphorus material or quantum dot material that converts the input light to the emitted light, and in embodiments, the active color conversion material is laminated directly on the reflective layer.

Abstract: A display device includes a display panel having a display surface, a light guiding unit disposed at a display surface side of the display panel, the light guiding unit having an incident part and an irradiation part, the incident part being parallel to the display surface and facing the display surface, the irradiation part being parallel to the display surface and configured to emit a light entered from the incident part, the irradiation part having a plurality of irradiation surfaces whose positions in a direction orthogonal to the incident part differ depending on a position on the display surface, and a mirror configured to reflect an image projected from the display panel through the light guiding unit.

Abstract: An area light source device has a light guide plate having an end face and a light exit surface, a light source that is disposed in a position facing the end face of the light guide plate, a plurality of optical sheets that are disposed on the light guide plate, a light shielding plate that is disposed so as to cover an upper portion of the light source, and a light blocking member that is provided between the end face of the light guide plate and the light exit surface. The end face of the light guide plate is configured to have light introduced therethrough. The light exit surface of the light guide plate is configured to output the light from the light guide plate. The light blocking member is different from the light shielding plate.

Abstract: In one aspect, semiconductor lasers are provided. A semiconductor laser described herein comprises substrate and a cavity formed on the substrate, the cavity comprising an asymmetric Mach-Zehnder (AMZ) interferometer structure positioned between two straight waveguide segments, the straight waveguide segments and first and second arms of the AMZ interferometer structure comprising epitaxial semiconductor layers, wherein the second arm of the AMZ interferometer structure has a temperature control architecture independent of the first arm.

Abstract: A capacitive sensing apparatus is described that incorporates a light guide having a light scattering means for illumination of the apparatus. The apparatus has a capacitive sensor mounted on a substrate that provides a capacitive sensing area for generating an electric field that emanates from the apparatus. A light source is arranged in optical communication with the light scattering means via the light guide. This arrangement acts to mitigate the effects of interference between the capacitive sensor and the light source. When an opaque substrate is employed an air gap is located between the substrate and the light guide so as to provide a substantially uniform illumination across the light guide. Appropriate selection of the refractive indices of the light guide, ng, and a transparent substrate, ns, provides the same desired uniform illumination in alternative embodiments. The capacitive sensing apparatus finds particular application within a touch sensitive display.

Abstract: Devices such as electronic book readers, tablet computers, laptops, and so forth may use reflective liquid crystal display (“LCD”) technologies. Described herein are devices and methods for illuminating the reflective LCD with a light guide panel. The light guide panel is configured with diffractive or other optical features configured to distribute light to the reflective LCD. A directive reflector may be arranged behind the reflective LCD to improve overall reflectivity by directing impinging light such that optical obstructions such as transistors and electrical traces within the reflective LCD are avoided.

Abstract: A reflective display includes a reflective spatial light modulator and a frontlight. The frontlight includes a lightguide formed from a film. The lightguide includes an array of coupling lightguides continuous with a lightguide region of the lightguide. One or more light sources emit light into the array of coupling lightguides. Light from each coupling lightguide combines and totally internally reflects within the lightguide region. Light extraction features frustrate totally internally reflect light within the lightguide region such that the light exits the lightguide toward the reflective spatial light modulator in a light emitting region of the film. A cladding region is optically coupled to the lightguide so light from the light source propagates into the cladding region. A light extracting region is operatively coupled to the cladding region opposite the lightguide, and light in the cladding region is extracted. A method of producing a display is also disclosed.

Abstract: A light guide for illuminating a display screen, including a vertical cone-shaped entrance surface including an aperture for admitting light beams emitted by an LED, a folding mirror for reflecting the admitted light beams at an angle of approximately 90°, and for horizontally collimating the admitted light beams, a horizontal guide for guiding the reflected light beams to an exit surface, and an exit surface positioned above a perimeter of a display screen for directing the guided light towards a portion of the display screen, the exit surface being tilted vertically from the horizontal at a slight angle to direct the guided light beams towards the display, and being shaped horizontally as a concave lens to spread the guided light beams horizontally over an angular expanse of the display screen.