Abstract: A flexible wire comprises a conductive core surrounded by one or more radial p-n diodes and alternating conductive and non-conductive bands along an outermost surface. Methods for producing the wire are also disclosed, as are textiles and other flexible materials comprising or consisting of such flexible wires.

Abstract: The present invention provides an assembly substrate used in a method for manufacturing a display device which mounts semiconductor light emitting devices on a predetermined position of an assembly substrate by using an electric field and a magnetic field.

Abstract: A method and structure for receiving a micro device on a receiving substrate are disclosed. A micro device such as a micro LED device is punched-through a passivation layer covering a conductive layer on the receiving substrate, and the passivation layer is hardened. In an embodiment the micro LED device is punched-through a B-staged thermoset material. In an embodiment the micro LED device is punched-through a thermoplastic material.

Abstract: A method for manufacturing light emitting elements is described and includes providing an un-coated light converting platelet. The un-coated light converting platelet has a top surface, a bottom surface, and side surfaces. A plurality of LED dies is provided. Side surfaces of the un-coated light converting platelet are coated with an at least partly reflective material to form a coated light converting platelet. The coated light converting platelet is separated into light converting tiles. An outline of the light converting tiles substantially corresponds to an outline of one of the plurality of LED dies. The light converting tiles and the plurality of LED dies are assembled to form light emitting elements.

Abstract: A light-emitting diode, includes a substrate; a semiconductor stack formed on the substrate; a first current blocking patterned structure and a second current blocking patterned structure formed on the semiconductor stack and separated from each other; and a plurality of electrodes formed on the semiconductor stack and electrically connected to the semiconductor stack; wherein the first current blocking patterned structure is overlapped with one of the plurality of electrodes and the second current blocking patterned structure is not overlapped with the plurality of electrodes.

Abstract: Lighting module disclosed in an embodiment of the invention, a substrate; a plurality of light emitting devices disposed on the substrate; a first reflective layer disposed on the substrate; a resin layer disposed on the first reflective layer and the light emitting device; and a second reflective layer disposed on the resin layer, wherein the resin layer is a front side surface on which light generated from the plurality of light emitting devices is emitted, a rear side surface facing the front side surface, and first and second side surfaces connecting the front side surface and the rear side surface with each other.

Abstract: The light generating device including at least one solid state light source, a monolithic support for the light source with first and second support parts bent relative to each other, and a housing having a housing wall. The light source is supported by the first support part, with the second support part in thermal contact with the housing wall. At least a portion of the support located between the light source and the housing wall is thermally conductive.

Abstract: This disclosure discloses a method of manufacturing a light-emitting device includes steps of providing a first substrate with a plurality of first light-emitting elements and adhesive units arranged thereon, providing a second substrate with a first group of second light-emitting elements and a second group of second light-emitting elements arranged thereon, and connecting the a second group of second light-emitting elements and the adhesive units. The first light-emitting elements and the first group of second light-emitting elements are partially or wholly overlapped with each other during connecting the second group of second light-emitting elements and the adhesive units.

Abstract: A display device includes a substrate, a first light-emitting diode, an encapsulant and a first Fresnel lens. The first light emitting diode is located on the substrate. The encapsulant covers the first light emitting diode. The first Fresnel lens is located on the encapsulant and overlapping with the first light emitting diode. The width of the first Fresnel lens is 4 to 10 times the width of the first light emitting diode.

Abstract: A method and structure for receiving a micro device on a receiving substrate are disclosed. A micro device such as a micro LED device is punched-through a passivation layer covering a conductive layer on the receiving substrate, and the passivation layer is hardened. In an embodiment the micro LED device is punched-through a B-staged thermoset material. In an embodiment the micro LED device is punched-through a thermoplastic material.

Abstract: A light emitting device including first, second, and third light emitting stacks each including first and second conductivity type semiconductor layers, a first lower contact electrode in ohmic contact with the first light emitting stack, and second and third lower contact electrodes respectively in ohmic contact with the second conductivity type semiconductor layers of the second and third light emitting stacks, in which the first lower contact electrode is disposed between the first and second light emitting stacks, the second and third lower contact electrodes are disposed between the second and third light emitting stacks, the first, second, and third lower contact electrodes include transparent conductive oxide layers, and a thickness of the second lower contact electrode or the third lower contact electrode is greater than a thickness of the first lower contact electrode.

Abstract: Example embodiments relate to light system with anti-parallel LEDs. One example light system includes a driver configured to generate a DC current. The light system also includes at least one first group, a first group thereof including a first and a second LED connected in anti-parallel. The light system also includes at least one second group, a second group thereof including a first and a second LED connected in anti-parallel. The at least one second group is connected in series with the at least one first group. Additionally, the light system includes control circuitry configured for selectively operating the first and second group in at least one first one and at least one second mode.

Abstract: An optical device includes an array of light-emitting elements, including a first subset of light-emitting elements and a second subset of light-emitting elements. The first subset of light-emitting elements is configured to emit light having wavelength L1. The device includes a high refractive index material selectively disposed on the second subset of light-emitting elements and an array of optical elements positioned so as to be illuminated by the first subset of light-emitting elements and by the second subset of light-emitting elements. The optical elements are regularly arranged in a common plane at a pitch P, the common plane is located a distance D from the array of light-emitting elements, and P2?2L1D/N, N being an integer greater than or equal to 1.

Abstract: A light-emitting diode packaging structure and a method for fabricating the same is disclosed. A semiconductor wafer is provided, which includes semiconductor substrates. Each semiconductor substrate is penetrated with a first through hole and three second through holes. An insulation layer is formed on the surface of each semiconductor substrate and the inner surfaces of the first through hole, the first sub-through hole, and the second sub-through hole. A patterned electrode layer is formed on the top surface of the semiconductor substrate. A conductive material covering the insulation layer is formed in the first through hole and the second through hole and electrically connected to the patterned electrode layer. Three light-emitting diodes are respectively formed in the first sub-through holes of the second through holes of each semiconductor substrate and respectively electrically connected to the conductive material within the second through holes.

Abstract: A display device including a substrate, a light emitting stacked structure disposed on the substrate and including a plurality of epitaxial sub-units disposed one over another, a first adhesive layer bonding the epitaxial sub-units to the substrate; and a line part disposed on the substrate and configured to apply a light emitting signal to each of the epitaxial sub-units, in which the light emitting stacked structure is configured to provide light having various colors by a combination of light emitted from each of the epitaxial sub-units, the first adhesive layer includes a conductive and non-transparent material, and the substrate includes a non-transparent material.

Abstract: Pixel architectures for low power micro light-emitting diode displays are described. In an example, a micro light emitting diode pixel structure includes a substrate having a plurality of conductive interconnect structures in a first dielectric layer thereon. A plurality of micro light emitting diode devices is in a second dielectric layer above the first dielectric layer, individual ones of the plurality of micro light emitting diode devices electrically coupled to a corresponding one of the plurality of conductive interconnect structures. The plurality of micro light emitting diode devices includes an orange micro light emitting diode device, a green micro light emitting diode device, and a blue micro light emitting diode device. A transparent conducting oxide layer is disposed on the plurality of micro light emitting diode devices and on the second dielectric layer.

Abstract: A display panel, a preparation method thereof, and a display device are disclosed. The display panel includes: a plurality of pixel units arranged in an array; a plurality of first signal lines extending in a first direction and arranged in a second direction; and a plurality of first connecting electrodes arranged in the second direction; where the first direction intersects with the second direction. The plurality of pixel units form m pixel rows arranged in sequence along the first direction and each extending along the second direction, where m is an integer greater than 1; and a projection of at least one pixel unit in an m-th pixel row on a plane perpendicular to the second direction and projections of the first connecting electrodes on the plane perpendicular to the second direction have an overlapped area.

Abstract: A light-emitting device includes: a substrate; a plurality of light-emitting elements mounted to the substrate; and a phosphor layer provided on the plurality of light-emitting elements, the phosphor layer including: a plurality of phosphor particles, and a glass layer covering surfaces of the phosphor particles, wherein the phosphor particles are bonded to each other by the glass layer, and an air layer is formed between the phosphor particles.

Abstract: A flexible wire comprises a conductive core surrounded by one or more radial p-n diodes and alternating conductive and non-conductive bands along an outermost surface. Methods for producing the wire are also disclosed, as are textiles and other flexible materials comprising or consisting of such flexible wires.

Abstract: A method and structure for receiving a micro device on a receiving substrate are disclosed. A micro device such as a micro LED device is punched-through a passivation layer covering a conductive layer on the receiving substrate, and the passivation layer is hardened. In an embodiment the micro LED device is punched-through a B-staged thermoset material. In an embodiment the micro LED device is punched-through a thermoplastic material.

Abstract: A light emitting device including a board, light emitting elements, a wavelength conversion member, and first and second metal plates. The board has a first surface and an opposite second surface, and is longer in a first direction than in a second direction perpendicular to the first direction. The light emitting elements are mounted on the first surface and are arrayed in a row along the first direction. The wavelength conversion member includes a first portion covering the light emitting elements and a second portion covering the second surface. The light emitting elements includes a first light emitting element located closest to the first metal plate, and a second light emitting element located closest to the second metal plate. The light emitting elements on the first surface are located between a first end surface of the first metal plate and a first end surface of the second metal plate.

Abstract: A support for light-emitting elements is disclosed. The support comprises a mounting section comprising at least one mounting face. The at least one mounting face has an arrangement direction and is configured to accommodate at least one light-emitting element along the arrangement direction. The support comprises a body section adjacent to the mounting section and having a length that extends parallel to the arrangement direction. The body section protrudes sidewards from the at least one mounting face. The support comprises a plurality of conductors connecting the body section to the at least one mounting face. Each contact section corresponds to a conductor. The plurality of conductors are a layered structure of conductors. An extension direction of the layered structure of the conductors extends substantially perpendicular to the arrangement direction of the at least one mounting face. The layered structure of conductors comprises an angled section.

Abstract: Disclosed is a light emitting panel with improved handling. The light emitting panel includes a fabric made by weaving natural or synthetic fibers, light emitting string parts consisting of a plurality of light emitting devices electrically connected in parallel or series through conductive threads fixed to the fabric, at least one light emitting grid part including an electrode unit connecting the plurality of light emitting string parts in parallel, and a power supply part applying power to the light emitting grid part. The light emitting panel provides an easily controllable illumination area and a uniform luminance. In addition, the light emitting panel is foldable or rollable, achieving improved storability, portability and mobility. Furthermore, the light emitting panel has improved handling even in moist environments such as snowy or rainy days when used outdoors.

Abstract: A lighting apparatus includes light emitting elements having an emission peak wavelength of 400 to 510 nm, a first phosphor having an emission peak wavelength of 485 to 700 nm, a second phosphor having an emission peak wavelength of 510 to 590 nm, a third phosphor having an emission peak wavelength of 600 to 700 nm, and a color filter having transmittance for light with a wavelength of 600 to 730 nm that is 80% or more and transmittance for light with a wavelength of 410 to 480 nm that is 3% or more and 50% or less. The color filter transmits a part of light emitted from the first phosphor, at least a part of light emitted from the second phosphor, and at least a part of light emitted from the third phosphor. Light transmitted through the color filter is emitted to the outside.

Abstract: A light emitting device includes: an LED; a reflecting mirror that reflects light emitted by the LED and radiates the light outside and has a reflecting surface shaped in a paraboloid of revolution; and a light absorptive material that, of the light emitted by the LED, blocks the light beyond a 1/4 beam angle ? from being incident on the reflecting mirror. The LED is provided at a position displaced from a focal point of the paraboloid of revolution.

Abstract: A light emitting device (LED) package includes: a substrate having a loading surface, a mounting surface and a pair of concave portions formed at both ends of the substrate, wherein each of the concave portions has an inner surface intersecting both of the loading surface and the mounting surface; metal wirings including a pair of electrodes, which covers a portion of the loading surface and the mounting surface and the inner surface, and a conductive part disposed on the loading surface; an LED chip loaded on the conductive part; a housing having a side wall surrounding the LED chip and a supporting surface facing the loading surface; and a covering member which is disposed on the loading surface and has a closing portion overlapping at least a portion of the concave portions when viewed from above, wherein at least a portion of the supporting surface is fixed to the closing portion.

Abstract: A dual CCT automotive headlight is described herein, comprising: at least one first LED configured to emit light of a first color; at least one second LED configured to emit light of a second color different from the first color; a light mixing device arranged to receive and mix light from the at least one first LED and the at least one second LED and to emit the mixed light. The dual CCT automotive headlight can not only provide homogeneous light of the first color and homogeneous light of the second color, but can also provide homogeneous light of a mixed color.

Abstract: The present disclosure proposes a lens cover and an LED lighting device including the same, which may minimize occurrence of a dark portion even while expanding a light distribution area of an LED light source. The proposed lens cover includes a plurality of first light distribution lenses and a second light distribution lenses having different shapes from each other, and the first light distribution lens and the second light distribution lens are mixedly arranged at positions corresponding to the plurality of LED light sources.

Abstract: Example embodiments include modular lighting fixtures and methods for forming the same. Some include light emitters and base members with mounting locations for the light emitters, the light emitters and base members being combinable in varying combinations with each combination producing a different lighting effect. Some embodiments include a light guide, such as a planar light guide, that receives and redirects light from the light emitters. Additional embodiments include a reflector with portions that are positioned near a mounting location where no light emitter is mounted when the reflector is mounted to a base member. Further embodiments include a reflector with portions that are positioned near the mounting locations when mounted to a base member, the portions being easily removed, such as with an unpowered hand tool, to avoid interference with a light emitting member mounted adjacent to where the removable portion would be if not removed from the reflector.

Abstract: A flexible display device is provided. The flexible display device includes a housing assembly, and a flexible display screen located in the housing assembly. The flexible display screen includes a backplate layer, a display panel located on the backplate layer, and a cover-plate layer located on the display panel. When the flexible display screen is curled, the backplate forms a first curling portion, the display panel forms a second curling portion, and the cover-plate layer forms a third curling portion. The first curling portion and the third curling portion are located inside the second curling portion.

Abstract: An object is to provide a technique capable of suppressing a power consumption of an LED. An LED display device includes voltage supply parts, which can supply a multiple types of voltages being different from each other and a driver which drives an LED display using the multiple types of voltages. The driver switches a combination of an LED array in a lighting target group which is one of the plurality of groups being subject to lighting-up and the multiple types of voltages which should be supplied in parallel with the LED array, under a time sharing control, and turns on some LEDs, which should be turned on by the voltages which should be supplied to the LED array, in the plurality of LEDs included in the LED array in the lighting target group.

Abstract: A source driving circuit of a display device includes a plurality of unit driving circuits configured to drive a plurality of connection nodes connected to a display panel. Each unit driving circuit includes a plurality of driver circuits and output switches. The driver circuits perform analog-conversion and amplification operations on a plurality of digital data signals to generate a plurality of analog data signals. The output switches are connected in parallel between the driver circuits and a corresponding connection node among the plurality of connection nodes. The output switches transfer the plurality of analog data signals alternately to the corresponding connection node. Each one of the plurality of connection nodes may be driven by more than one of the plurality of driver circuits. The source settling time is reduced and performance of the display device is enhanced by disposing a plurality of unit driving circuits to each connection node.

Abstract: A display device is provided. The display device includes a display panel, a backlight controller, a light source module, and an image processor circuit. The display panel is divided into display regions. The backlight controller generates driving signals according to control signals. The light source units in the light source module are controlled respectively by the driving signals to emit light. The image processor circuit generates the control signals according to input image data. The image processor circuit obtains a respective estimated current according to the sum of first and second color brightness gains of the pixel cells in each display region and further determines an adjustment factor according to the sum of all the estimated currents. When the backlight controller operates in a high brightness mode, the image processor circuit changes the control signals according to the adjustment factor, thereby adjusting the driving signals.

Abstract: The present disclosure discloses a backlight module and a display device. The backlight module includes a substrate; and a plurality of lamp sources, a fluorescent film, a diffusion film, and a brightness enhancement film carried on the substrate. The fluorescent film, the diffusion film and the brightness enhancement film are sequentially arranged in a light emission direction of the plurality of lamp sources, and the substrate is provided with a reflection sheet configured to reflect light propagated toward the substrate.

Abstract: The present invention provides a backlight source for use in a display device, comprising: a substrate; a plurality of carriers arranged on the substrate in an array, the carrier comprising a bottom surface in contact with the substrate, a top surface parallel to the substrate and a side surface connected between the top surface and the bottom surface; light emitting elements arranged on the carrier, comprising at least one first light emitting element arranged on the top surface of the carrier for emitting collimated light perpendicular to the substrate, and at least one second light emitting element arranged on the side surface of the carrier for emitting scattered light to a plurality of angles; and a controller, configured to control at least one first light emitting element to turn on and all second light emitting elements to turn off in response to a first display mode of the display device and to control at last one first light emitting element to turn on and at least one second light emitting element

Abstract: The present invention provides an artificial candle includes a hollow cylinder, an electric wire, and a light bulb. The light bulb includes a light source with a long strip shape, a cup sleeved on and fixed to the electric wire at a position near the first end of the electric wire, an outer cover covered on the cup, and an inner cover sleeved on the light source and defining a receiving space with the cup for receiving a part of the light source and the second end of the electric wire. The light transmitted of the inner cover is less than that of the outer cover and that of the cup. The inner cover is configured for reflecting light emitted from the part, received in the receiving space, of the light source towards the wire holder and an exposed part of the electric wire. A simulating effect of flame is improved.

Abstract: A white organic light emitting diode (OLED) includes a first electrode and a second electrode facing each other; a first charge generation layer and a second charge generation layer between the first and second electrodes; a first light emitting unit including a first emitting material layer emitting a first color, wherein the first light emitting unit is located between the first electrode and the first charge generation layer; a second light emitting unit including a second emitting material layer emitting a second color, wherein the second light emitting unit is located between the first charge generation layer and the second charge generation layer; and a third light emitting unit including a third emitting material layer emitting the second color, wherein the third light emitting unit is located between the second charge generation layer and the second electrode.

Abstract: An illumination device in dudes a luminescent concentrator with a waveguide having a radiation converter element distributed in the waveguide, and a solid state light source configured to irradiate a radiation input face of the waveguide. The radiation converter element is configured to absorb at least part of the light source radiation and to convert into radiation converter element radiation, wherein the concentration of the converter element in the waveguide is at least three times higher than necessary to absorb 98% of the light source radiation over the width of the waveguide.

Abstract: An optoelectronic lighting device includes a black housing including a cavity, wherein the cavity includes a base, a semiconductor component is arranged on the base of the cavity with an underside of a main body facing the base, and the cavity is filled with a reflective material from the base up to a predetermined height, which is smaller than a height of a top side of the main body relative to the base of the cavity such that electromagnetic radiation emerging from the main body through side faces may be reflected by the reflective material back in the direction of the side faces to couple reflected electromagnetic radiation into the main body such that at least part of the electromagnetic radiation coupled in may emerge again from the main body through the top side of the main body.

Abstract: Provided is a lamp for a vehicle, and more particularly, which prevents a blind zone in a beam pattern and allows a boundary line of the beam pattern to have adequate sharpness. The lamp includes a light source portion which includes a plurality of micro light sources disposed to be spaced at predetermined gaps and a lens portion which includes a plurality of micro lenses disposed in front of at least one of the plurality of micro light sources. An incident surface of a micro lens has a dimension which includes a length of a micro light source corresponding to the micro lens and at least a part of a gap between the micro light source and an adjacent micro light source.

Abstract: A lens is affixed over an LED die mounted on a substrate to encapsulate the LED die. The lens may have a top surface shaped as a dome or other shape to achieve the desired light pattern. The lens has a cavity for the LED die. A reflector pattern is molded into the bottom surface of the lens, such as one or more facet rings with an angled surface surrounding the LED die. The angled surface of the facet ring reflects the downward or shallow light emission from the LED die upward. A plurality of facet rings of different radii and heights may be formed in the bottom of the lens for shaping the light emission. Any suitable shape of facet may be used. The facet rings may be formed to cause the LED module to emit a narrow beam or other light emission patterns.

Abstract: The embodiment provides a display device including an array substrate, an opposite substrate, a plurality of micro light-emitting diodes and a plurality of bank structures. The opposite substrate is disposed opposite to the array substrate. The micro light-emitting diodes are arranged in an array on the array substrate, wherein the micro light-emitting diodes are electrically connected to the array substrate. The bank structures are located between the array substrate and the opposite substrate, wherein the bank structures form a plurality of accommodating regions, and one of the micro light-emitting diodes is located in one of the accommodating regions. A height of the bank structures is more than or equal to a height of the micro light-emitting diodes.

Abstract: A light emitting device package includes: a plurality of light emitting chips configured to emit respective wavelength lights, each chip comprising electrodes at a bottom of the chip to form a flip-chip structure; a plurality of wirings directly connected to the electrodes of the chips, respectively; a plurality of electrode pads disposed below the chips and directly connected to the wirings, respectively; and a molding member integrally formed in a single layer structure to cover upper surfaces and side surfaces of the chips, and including a translucent material having a predetermined transmittance, wherein the wirings are disposed below a lower surface of the molding member.

Abstract: The present invention relates to a light emitting device comprising a transparent substrate which light can pass through and at least one LED chip emitting light omni-directionally. Wherein the LED chip is disposed on one surface of the substrate and the light emitting angle of the LED chip is wider than 180°, and the light emitted by the LED chip will penetrate into the substrate and at least partially emerge from another surface of the substrate. According to the present invention, the light emitting device using LED chips can provide sufficient lighting intensity and uniform lighting performance.

Abstract: A light bar includes a plurality of light emitting diode (LED) clusters which extend along a lengthwise direction of the light bar from a first end of the light bar to an opposite second end of the light bar. Each LED cluster includes at least three different types of LEDs. A first LED at the first end of the light bar and a last LED at the second end of the light bar emit the same color light.

Abstract: An organic light-emitting display device with improved light efficiency includes a plurality of pixel electrodes each corresponding one of at least a first, second, or third pixel; a pixel-defining layer covering an edge and exposing a central portion of the pixel electrodes; an intermediate layer over the pixel electrode and including an emission layer; an opposite electrode over the intermediate layer; and a lens layer over the opposite electrode and including a plurality of condensing lenses each having a circular lower surface. An area of the portion of the pixel electrode exposed by the pixel-defining layer is A, and an area of the lower surface of the condensing lens is B. For the first pixel, a ratio B/A ranges from about 1.34 to about 2.63. For the second pixel, B/A ranges from about 1.43 to about 3.00, For the third pixel, B/A ranges from about 1.30 to about 2.43.

Abstract: Apparatus and system for producing light using LED lighting with output within a predetermined desired color temperature range for commercial lighting uses which may be bicolor or may be multicolored. A preferred embodiment includes a first and second group of LEDs arranged in an alternating matrix configuration, each group of LEDs configured to produce light in a predetermined color temperature range. In a preferred embodiment, an LED light system includes a tubular LED lamp having substantially the same size and dimensions as a traditional fluorescent lamp tube and a control box for controlling power input and power gain to the first, second, or both groups of LEDs.

Abstract: Methods and systems for illuminating areas or objects in areas by manipulating the spectral power distributions (SPDs) of light sources. In one aspect, light of a given desired correlated color temperature (CCT), white in one example, is adjusted by a metamer to a different SPD designed to produce improved perceived brightness by observers. This retains the desired CCT but can allow for such things as reduced number of light fixtures or light sources, less energy, and/or longer effective light source lives for the same perceived brightness of conventional lightings. In another aspect, composite SPD regardless of CCT can be manipulated for other benefits such as highlighting portions of or objects in the area, or improving lighting performance for such things as weather conditions (e.g. snow or fog) or ambient conditions (e.g. twilight).

Abstract: An organic light emitting display capable of substantially preventing IR drop of a power source wiring line and coupling of data lines is disclosed. In one aspect, the organic light emitting display includes pairs of data lines between adjacent sub-pixels. The data lines are arranged to run parallel with a coupling blocking wiring line provided between each pair.

Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a stretchable substrate, a thin film transistor (TFT) formed over the stretchable substrate and including a plurality of electrodes, an OLED electrically connected to the TFT and including a plurality of electrodes, and a plurality of interconnection lines connected to the electrodes of the OLED and the TFT. At least one of the interconnection lines is configured to move in a stretching direction and rotate an electrode selected from the electrodes of the OLED and the TFT connected to the at least one interconnection line.