Abstract: A liquid crystal display apparatus, includes: a light-condensing backlight unit; a liquid crystal panel including a first linear polarizer and a second linear polarizer; a light scattering film facing the second linear polarizer; and a third linear polarizer facing the light scattering film. The light scattering film includes a functional layer including an organic polymer compound and light scattering particles. The functional layer includes a particle layer in which a fraction of 60% by volume to 100% by volume of the light scattering particles included in the functional layer expands along a surface of the particle layer at which the light output from the liquid crystal panel is received, and the particle layer is concentrated to a region having a thickness of 1 to 80% of a total thickness of the functional layer, in a direction perpendicular to the contact surface.

Abstract: An integral light guide for an electronic display includes a top surface, a bottom surface, and a body extending between the top surface and the bottom surface. The body includes a prism section and a microstructure section, the prism section is arranged adjacent to the top surface, the microstructure section is arranged adjacent to the bottom surface. The prism section includes a prism pattern enclosed within the body.

Abstract: A light diffusion film having an internal structure in the film. The internal structure includes a plurality of regions having a relatively high refractive index in a region having a relatively low refractive index. The light diffusion film has an indentation elastic modulus of 30 MPa or more at 23° C.

Abstract: A backlight module includes an optical plate, a light source, and at least one optical film. The optical plate includes a light-emitting surface, a bottom surface and a side surface. The light source faces to the bottom surface or the side surface. The optical film is disposed above the light-emitting surface and includes a main body and at least one refractive part disposed on an end surface of the main body. The refractive part has a plurality of microstructures. The refractive part has non-uniform thickness relative to the end surface along a side direction. A refractive index of the refractive part is different from a refractive index of the main body, such that a plurality of light rays are deflected toward different directions after passing through the refractive part.

Abstract: Examples of the present disclosure disclose a cylindrical lighting fixture, which includes a body, a plurality of light source modules and a plurality of diverging lenses. The body has an axis, the body has two ends, the two ends are penetrated by the axis, the plurality of light source modules are arranged on the body around the axis, the light source module includes a light source plate and a light-emitting unit, the light-emitting unit is arranged at a side of the light source plate away from the body, and each diverging lens covers one of the light source modules; and the diverging lens includes an inner surface facing the axis and an outer surface away from the axis, the inner surface is recessed to form a cavity, the cavity extends in the same direction as the axis, and the light-emitting unit is arranged in the cavity.

Abstract: A light-emitting apparatus including a light-emitting element and a lens covering the light-emitting element. The lens includes an upper surface having a convex shape and a lower surface including a cavity to which light emitted from the light-emitting elements is incident, in which the cavity includes an apex facing an upper surface of the light-emitting element and configured to reduce Fresnel reflections emitted vertically.

Abstract: Provided is a display device with enhanced uniformity of brightness. The display device includes a display panel, and a backlight unit configured to supply light to the display panel, wherein the display panel includes a liquid crystal panel with first and second surfaces opposite to each other, a first polarizing plate arranged on the first surface of the liquid crystal panel, a second polarizing plate arranged on the second surface of the liquid crystal panel, a light absorbing layer arranged on the second polarizing plate to absorb a portion of the light supplied from the backlight unit, and a light absorbing material included in the light absorbing layer to absorb light of particular wavelengths.

Abstract: A display apparatus is provided. The display apparatus includes a light source, a quantum dot sheet on which a reflective area that reflects light irradiated from the light source and a quantum dot area including a quantum dot that scatters the light irradiated from the light source are alternately disposed, and a display panel that displays an image using light provided from the quantum dot sheet.

Abstract: A chained flashlight system includes multiple flashlights; multiple lighting control devices that control lighting of the flashlights, respectively; a communication wire; and a traffic control device. The lighting control devices include receiving units, controlling units, and power supply units, respectively and are coupled to the traffic control device by the same communication wire. The traffic control device simultaneously sends a lighting signal to the lighting control devices via the communication wire. The receiving units of the lighting control devices receive the lighting signal. The controlling units of the lighting control devices turn ON the power supply units, respectively, on the basis of the time condition from reception of the lighting signal to turning ON of the power supply units, set for the respective flashlights. The flashlights are lit by turning ON the respective power supply units of the lighting control devices.

Abstract: A liquid crystal display device includes a liquid crystal panel, a light-guiding plate disposed on a back face of the liquid crystal panel, at least one LED light source along an end face of the light-guiding plate, and a turning film between the liquid crystal panel and the light-guiding plate. The turning film includes a substrate layer and a prism array on a back face of the substrate layer. A retardation value of the substrate layer is no less than 0 nm and no greater than 100 nm. In a planar view: a transmission axis of a back face side-polarizing plate of the liquid crystal panel is perpendicular to the end face of the light-guiding plate; ridge lines in the prism array are parallel to the end face of the light-guiding plate; and the transmission axis of the back face side-polarizing plate is perpendicular to the ridge lines.

Abstract: A surface light source device includes: a plurality of LEDs emitting a light; a substrate having the plurality of LEDs mounted thereon; a light distribution control element arranged on the substrate, and distributing the light emitted from the plurality of LEDs; a reflection sheet reflecting a part of the light distributed by the light distribution control element to a display surface side of the surface light source device; a housing accommodating the plurality of LEDs, the substrate, the light distribution control element, and the reflection sheet; and a retaining member retaining the light distribution control element and the substrate under a state in which the retaining member is in contact with a surface of the light distribution control element that is opposite to a surface of the light distribution control element in contact with the substrate.

Abstract: A backlight module and a display device are provided. The backlight module includes a light source, a plate-shaped light intensity splitting component and a reflecting sheet, wherein, the plate-shaped light intensity splitting component and the reflecting sheet are oppositely arranged to form an empty light guide space therebetween, and the plate-shaped light intensity splitting component is configured to split incident light from the light source into reflected light facing to the reflecting sheet and transmission light passing through the plate-shaped light intensity splitting component. The backlight module without adopting a light guide plate can save cost for manufacturing the backlight module and is advantageous to improve light utilization efficiency.

Abstract: A light-emitting element includes at least one flat light emitter having a first electrical contact portion formed on a side surface, and a housing partially surrounding the side surface of the flat light emitter, the housing including a second electrical contact portion formed on an inner surface of the housing and configured to mate with the first electrical contact portion.

Abstract: A lens including an upper surface having a curved portion having a changing curvature in a direction extending away from a central axis of the lens, and a lower surface having a concave portion disposed on the central axis of the lens. The concave portion of the lower surface includes an entrance disposed on a lower region of the concave portion and configured to receive light emitted from a light-emitting diode chip, and an upper end surface disposed on an upper region of the concave portion. The concave portion includes a width that narrows in a direction extending away from the entrance. The upper end surface is nonplanar.

Abstract: A lamp (10) is formed of a lamp capsule (1) sealed with a press seal (2) penetrated by electrical lead-ins (12), the lamp (1) being received in an insulating base (16) that has external electrical pins (18). Power leads (20) interconnect respective capsule lead-ins (12) and base pins (18). Power leads (20) are formed of stranded wire having a plurality of intertwined strands.

Abstract: Provided are an integrated conductive substrate simultaneously serving as a substrate and an electrode, and an electronic device using the same. The integrated conductive substrate includes a metal layer composed of a non-ferrous metal, which has a first surface having a first root mean square roughness, and a semiconductor layer containing a semiconductor material, which has a second surface having a second root mean square roughness and is formed on the first surface. Here, the semiconductor layer includes a semiconductor-type planarization layer formed by a solution process using at least one of the semiconductor material and a precursor of the semiconductor material to planarize the first surface of the metal layer, and the second root mean square roughness is smaller than the first root mean square roughness.

Abstract: The present invention provides an organic LED element having the significantly larger light emission area than conventional ones. The invention relates to an organic LED element, comprising: a transparent substrate; a light scattering layer; a transparent first electrode; an organic light-emitting layer; and a second electrode formed in this order, wherein the light scattering layer has a base material comprising a glass, and a plurality of scattering materials dispersed in the base material; the light scattering layer has side surfaces, and each of the side surfaces has a surface tilted at an angle larger than right angle from an upper surface on the first electrode side toward a bottom surface on the transparent substrate side; and the first electrode is placed so as to continuously cover the side surfaces.

Abstract: The present invention provides an organic LED element having the significantly larger light emission area than conventional ones. The invention relates to an organic LED element, comprising: a transparent substrate; a light scattering layer; a transparent first electrode; an organic light-emitting layer; and a second electrode formed in this order, wherein the light scattering layer has a base material comprising a glass, and a plurality of scattering materials dispersed in the base material; the light scattering layer has side surfaces, and each of the side surfaces has a surface tilted at an angle larger than right angle from an upper surface on the first electrode side toward a bottom surface on the transparent substrate side; and the first electrode is placed so as to continuously cover the side surfaces.

Abstract: This is to provide a transmission type screen where a viewing angle at which an image projected by a projector can be visually recognized is extremely wide, and image visibility from the both surfaces of the screen is excellent. The present invention relates to a transmission type screen comprising a light transmissive support and a light diffusion layer on at least one surface of the light transmissive support, wherein the light diffusion layer contains light diffusion fine particles and a xerogel. It preferably relates to the above-mentioned transmission type screen wherein the xerogel contains inorganic fine particles and a resin binder, and the inorganic fine particles are particles dispersed in an aggregated form having an average primary particle diameter of 18 nm or less and an average secondary particle diameter of 500 nm or less.

Abstract: Disclosed are a wire mesh type diffuser plate, a method of fabricating the same, and a liquid crystal display device having the same. A film type diffuser plate having predetermined tension is fabricated through traction by using a wire mesh instead of a diffuser plate based on an existing extruding method to improve egg mura generated in a backlight unit. The liquid crystal display device includes: a liquid crystal panel displaying an image; a plurality of lamps installed below the liquid crystal panel and providing light to the liquid crystal panel; a plurality of optical sheets installed between the plurality of lamps and the liquid crystal panel; a reflection plate installed below the plurality of lamps; and a diffuser plate formed of a wire mesh having predetermined tension and installed between the plurality of lamps and the optical sheet and having predetermined tension.

Abstract: A light-emitting device disclosed herein includes: an emission layer; a diffraction grating structure including a diffraction grating; and a diffusion layer having a structure for diffusing light which is transmitted from one face to another face. The light going out from the emission layer has a central wavelength ?. The diffraction grating has a period p which is not less than 1.0? and not more than 3.5?. The diffusion layer has a haze of 80% or more and a total light transmittance of 80% or less.

Abstract: Provided is a method for manufacturing a flexible electrode substrate. The method includes forming a microlens array under a film, forming a transparent electrode layer on the film so as to oppose the microlens array, and forming a grid electrode between the film and the transparent electrode layer or on the transparent electrode layer. Herein, the grid electrode and the microlens array are formed on the both sides of the film by performing at least one of an inkjet printing process, a roll-to-roll printing process, a screen printing process, and a stamping printing process.

Abstract: Disclosed herein is a light emitting diode. The light emitting diode includes a substrate, an n-type semiconductor layer placed on the substrate, an active layer placed on the n-type semiconductor layer, a p-type semiconductor layer placed on the active layer, a reflective layer placed on the p-type semiconductor layer, an n-type electrode electrically connected to the n-type semiconductor layer, a p-type electrode placed on the reflective layer; and a first patterned magnetic structure placed on the reflective layer, and separated from the p-type electrode. The light emitting diode can provide improved internal quantum efficiency using the patterned magnetic structure.

Abstract: Light diffusing optical fibers and light emitting apparatuses including light diffusing optical fibers are disclosed. In one embodiment, a light emitting apparatus includes a base, a transparent or translucent enclosure affixed to the base, a light diffusing optical fiber including a coiled filament enclosed within the enclosure, and a light source optically coupled to the light diffusing optical fiber. The coiled filament includes a glass core, an outer surface, and a plurality of light scattering structures situated within the coiled filament for scattering light through the outer surface of the coiled filament. The coiled filament has a loss in a range of 0.5 dB/turn to 10.0 dB/turn at a turn radius of less than 50 mm.

Abstract: A surface light source device including an organic EL element of a double-side emission type and a light output surface structure layer provided on at least one surface of the organic EL element, wherein the light output surface structure layer includes a concavo-convex structure on a surface opposite to the organic electroluminescent element, the concavo-convex structure having flat surface portions parallel to the surface and an inclined surface portion tilted relative to the flat surface portions, and a projected area formed by projecting the inclined surface portion in a direction perpendicular to the flat surface portions onto a plane parallel to the flat surface portions is not more than 0.1 times a total area of the flat surface portions.

Abstract: A pear-shaped light-emitting diode (LED) light bulb housing is provided with a plurality of light-dispersing thickness variations in the bulb envelope. Dimples, bumps, or v-shaped grooves are provided in a middle portion of the bulb envelope in order to uniformly disperse light from LEDs as the light passes through the bulb envelope.

Abstract: Embodiments of the present invention provide light diffusion into edge lines of a modular display, and thus provide a modular display that is capable of displaying a single, continuous image without visible edge lines between individual display modules. One display module includes a multitude of pixels that contain red, green, blue, and white light sources. The replacement of an edge line blocking dam with the light diffusion edge line of the individual display module can provide a single, continuous image to be displayed thereon without visible, image-quality-reducing edge lines. With various heights of the buffer layer, the light can concentrate on the edge line in modular display. The individual display modules can be light emitting diode (LED), organic LED (OLED), UV LED, RGB LED, Phosphor-based LED, Quantum dot LED, or displays based upon a combination thereof. Furthermore, the variable height buffer layer allows for a modular display image in 2-dimensional or 3-dimensional formats.

Abstract: A lens includes a first lens section and a second lens section, which are integrally formed. The first lens section is formed in a hemispherical shell shape including a first recess opened toward one side of an optical axis direction in which light from a light source is made incident. The second lens section is formed in a hemispherical shell shape including a second recess opened toward the other side of the optical axis direction.

Abstract: A control console assembly includes a diffusion layer and an electrode of a capacitive sensor. The diffusion layer has an outer surface and an inner surface substantially opposite the outer surface. The electrode of the capacitive sensor is mated to at least one of the inner surface or the outer surface of the diffusion layer.

Abstract: A lighting device (2) comprises a light source (210) having a main forward emission direction (20), and an envelope (220) in which the light source (210) is arranged. The envelope (220) comprises an upper portion (225) having scattering properties and being arranged to reflect a part of the light from the light source (210) laterally and backwardly relative to the main forward emission direction (20) and transmit a part of the light from the light source (210). The light intensity distribution of the lighting device (2) is more uniform, as backward and lateral light intensity is increased while the light in the main forward emission direction (20) is still admitted.

Abstract: Disclosed is a lighting device having wide light-distribution characteristics. The lighting device includes a base; a protrusion disposed on the base; and a light emitting module disposed on the protrusion; wherein the light emitting module comprises a plurality of light emitting diodes inclined inward with respect to the a protruding direction of the protrusion. Accordingly, the lighting device can provide wide light-distribution characteristics.

Abstract: According to one embodiment, in a constricted part of a globe, one end is set to a minimum diameter, the other end is set to a maximum diameter, and a diameter thereof increases from the one end side to the other end side. The constricted part of the globe is concaved into the inside of an imaginary straight line connecting an outer edge of the one end and an outer edge of the other end when viewed in section. A light source part includes a semiconductor light-emitting element and is contained in the globe so that a light-emitting part is positioned between both the ends of the constricted part of the globe. A cap is positioned on one end side of the globe.

Abstract: An OLED assembly comprises a base and a planar OLED device mounted on the base. A planar light diffuser sheet is removably attached relative to the base and OLED device. A releasable attachment mechanism is operably configured between the light diffuser sheet and the base. The light diffuser sheet is oriented relative to the OLED device so as to provide a selected diffusive property to light emitted from the OLED device. The light diffuser sheet is removable from the base upon release of the attachment mechanism and can be substituted with a different light diffuser sheet. A luminaire may incorporate the OLED assembly, wherein the luminaire has fixture in which the OLED assembly is received.

Abstract: Disclosed is a light-emitting device, including an LED light source and a light diffusion element. The light diffusion element, covering at least a part of the LED light source, is composed of a first polymer, a second polymer, or a blend of them. The first polymer has a larger crystal diameter than that of the second polymer. The first polymer is made of polypropylene or ethylene-propylene copolymer. The second polymer is made of polyethylene, polypropylene, or ethylene-propylene copolymer. A blend of certain ratios of the first and second polymer gives rise of an excellent material that has improved light diffusion. This material can be widely adopted to current light fixtures for its evenly distributed lighting and great brightness.

Abstract: A substrate includes: a plurality of pixels arranged two-dimensionally on a common wiring substrate, and each including a plurality of types of light emitting elements that differ from one another in emission color; a plurality of light-scattering sections each provided for a corresponding one of the pixels, and each provided above the corresponding one of the pixels; and a light-shielding section provided in a gap between adjacent ones of the pixels, or provided in an opposing region that opposes the gap when viewed in a normal direction of the wiring substrate.

Abstract: An LED light bulb includes a holder for electrically connecting with a power source, an LED mounted on the holder, an envelope mounted on the holder and covering the LED, and a light dispersing plate attached to an inner surface of the envelope. The light dispersing plate is made of a transparent material with a plurality of irregular air bubbles therein. Light generated by the LED and radiating to the envelope is refracted, reflected and scattered by the bulbs before the light emits out of the LED light bulb.

Abstract: A light emitting device (1) is configured to radiate light with an optical axis A at the center, and is provided with a light source (2), and a lens (3) that radially expands the light from light source (2). The light source (2) has a light emitting surface (21) extending in an X direction orthogonal to the optical axis A. The lens (3) is configured to have a greater refractive power in a Y direction orthogonal to the X direction than in the X direction. For example, the lens (3) has a light entrance surface (31) including an anamorphic curved surface with different curve forms between the X direction and the Y direction.

Abstract: A pear-shaped light-emitting diode (LED) light bulb housing is provided with a plurality of light-dispersing thickness variations in the bulb envelope. Dimples, bumps, or v-shaped grooves are provided in a middle portion of the bulb envelope in order to uniformly disperse light from LEDs as the light passes through the bulb envelope.

Abstract: A method of manufacturing an optical reflector including an alternating stack of at least one first layer of complex refraction index n1 and at least one second layer of complex refraction index n2, in which the first layer includes semiconductor nanocrystals, including the following steps: calculation of the total number of layers of the stack, of the thicknesses of each of the layers and of the values of complex refraction indices n1 and n2 on the basis of the characteristics of a desired spectral reflectivity window of the optical reflector, including the use of an optical transfer matrices calculation method; calculation of deposition and annealing parameters of the layers on the basis of the total number of layers and of the values of previously calculated complex refraction indices n1 and n2; deposition and annealing of the layers in accordance with the previously calculated parameters.

Abstract: A light-emitting device disclosed herein includes: an emission layer; a diffraction grating structure including a diffraction grating; and a diffusion layer having a structure for diffusing light which is transmitted from one face to another face. The light going out from the emission layer has a central wavelength ?. The diffraction grating has a period p which is not less than 1.0? and not more than 3.5?. The diffusion layer has a haze of 80% or more and a total light transmittance of 80% or less.

Abstract: The present disclosure discloses a method for providing protective coatings onto one or more surfaces of a frangible enclosure of an LED lamp and a lamp prepared therefrom. More particularly, the present disclosure relates to LED lamps comprising polymer coatings on at least one or more surfaces of an enclosure of an LED lamps.

Abstract: The present disclosure discloses LED lamps and enclosures comprising light transparent polymer coatings comprising light diffusing particles as well as methods for providing improved luminous intensity distribution. More particularly, the present disclosure relates to enclosures comprising light-transparent polymer coatings comprising a light diffusing particles on at least one surfaces of the enclosure of an LED lamp.

Abstract: Embodiments of the present invention provide light diffusion into edge lines of a modular display, and thus provide a modular display that is capable of displaying a single, continuous image without visible edge lines between individual display modules. One display module includes a multitude of pixels that contain red, green, blue, and white light sources. The replacement of an edge line blocking dam with the light diffusion edge line of the individual display module can provide a single, continuous image to be displayed thereon without visible, image-quality-reducing edge lines. With various heights of the buffer layer, the light can concentrate on the edge line in modular display. The individual display modules can be light emitting diode (LED), organic LED (OLED), UV LED, RGB LED, Phosphor-based LED, Quantum dot LED, or displays based upon a combination thereof. Furthermore, the variable height buffer layer allows for a modular display image in 2-dimensional or 3-dimensional formats.

Abstract: The present invention aims to provide a light-diffusing heat shrinkable tube which has light diffusibility that enables LED point light sources to give an impression of a surface light source such as a conventional fluorescent lamp. The tube is also capable of suppressing scattering of broken fragments of a transparent pipe that includes the light sources, in the case of an unexpected accident including falling of the pipe. The present invention also aims to provide a linear LED light including the light-diffusing heat shrinkable tube. The light-diffusing heat shrinkable tube including a polyester resin and a light diffusing agent, the polyester resin having an inherent viscosity of 0.8 to 1.4 dl/g, the tube comprising 0.1 to 2.5 wt % of the light diffusing agent, the tube having a thickness of 60 to 300 ?m.

Abstract: An LED light source lamp includes a housing configured to be attached to a lamp holder; an LED module provided in the housing; a drive circuit provided in the housing and configured to drive the LED module to cause the LED module to emit light; an LED installation plate on which the LED module is installed; a cover arranged to block an optical axis of the LED module and configured to transmit light emitted from the LED module; and a separation member configured to separate the drive circuit from a space between the LED module and the cover in the housing. The LED installation plate has a rear surface, opposite the surface on which the LED module is installed. The rear surface is configured to closely contact the lamp holder, and is a part of the housing.

Abstract: A light emitting diode (LED) bulb configured to scatter certain wavelengths of light. The LED bulb includes a base having threads, a bulb shell, at least one LED, and a plurality of particles disposed within the bulb shell. The plurality of particles has a first and second set of particles. The first set of particles is configured to scatter short wavelength components of light emitted from the at least one LED and has particles with an effective diameter that is a fraction of the dominant wavelength of the light emitted from the at least one LED. The second set of particles is configured to scatter light emitted from the at least one LED, and has particles with an effective diameter equal to or greater than the dominant wavelength of the light emitted from the at least one LED.

Abstract: According to one embodiment, a lighting device includes a light source with a directivity and a light-transmitting cover including a light-transmitting area configured to emit light from the light source to the outside. The light-transmitting cover is in a dome shape and formed of a material doped with scattered fillers dispersed in a volume thereof. The light-transmitting cover includes a vertically elongated shape with an aspect ratio higher than 0.6, and having a transmittance of 70% or less. The aspect ratio is the quotient of a height of the light-transmitting area in an optical axis thereof divided by the width of a rear-end portion of the light-transmitting area.

Abstract: A light extraction film having nanoparticles with engineered periodic structures. The light extraction film includes a substantially transparent substrate, low index one-dimensional or two-dimensional periodic structures on the substrate, and a high index planarizing backfill layer applied over the periodic structures. Light scattering nanoparticles are either applied in a layer over the periodic structures or included in the backfill layer.

Abstract: A lamp device includes a substrate body, a light source part mounted on the substrate body, and a contact portion electrically connected to the light source part. A cover receives the light source part in a space formed by the cover and the substrate body, is light transmissive at least at a position facing the light source part, and spatially separates the light source part mounted on the substrate body and the contact portion.

Abstract: A light emitting diode (LED) lamp includes a tube having a transparent first section and an opaque second section. An LED disposed inside of the tube. The second section is has an inner surface having a light diffusive surface so that the LED light is diffusively reflected. The LED is disposed so that a total amount of direct light from the LED to the first section is smaller than a total amount of indirect light that is incident on the first section as a result of being reflected by the second section (i.e., scattered or diffused light). The LED is disposed so that a light axis of the LED points toward the inner surface of the second section.