Abstract: A display apparatus including a panel substrate and a pixel module disposed thereon, in which the pixel module includes a circuit board and light emitters arranged and aligned in a first direction and disposed on the circuit board, in which each light emitter includes a light emitting layer including a first and a second conductivity type semiconductor layer, and an active layer interposed therebetween, a first and a second connection layer electrically connected to the first and the second conductivity type semiconductor layer, respectively, and a step adjustment layer disposed between the circuit board and the light emitting layer and covering a region of the light emitting layer and including an opening region configured to provide an electrical contact region between the first connection layer and the first conductivity type semiconductor layer.

Abstract: A display device comprising a first base substrate, a second base substrate having a different area than the first base substrate, a plurality of pixels disposed on each of the first and second base substrates, and an interconnection part connected to the pixels, the interconnection part including a plurality of signal interconnections disposed on each of the first and second base substrates, in which the signal interconnections disposed on the first base substrate are connected to the signal interconnections disposed on the second base substrate through a plurality of connecting portions disposed on both of the first and second base substrates.

Abstract: A headlamp device includes a headlamp, an object detector, and a controller. The headlamp is mounted on a vehicle and includes a light emitting unit composed of multiple light emitting cells. The object detector detects an object around the vehicle and generates an object detection signal including object coordinates corresponding to a location of the detected object. The controller controls light of the headlamp based on information on the object coordinates. The controller may control the light emitting unit such that at least some light emitting cells are turned off according to an object detection signal.

Abstract: A light emitting device including a substrate, a first light emitter to emit light having a first color temperature, and a second light emitter to emit light having a second color temperature, in which the first light emitter has a first converter including first phosphors and a first resin, each first phosphor having different half-value widths, the second light emitter has a second converter including second phosphors and a second resin, each second phosphor having different peak wavelengths, at least one phosphor of the first converter has a half-value width of 33 nm to 110 nm, a distance between peak wavelengths of at least two phosphors of the second converter is 150 nm or less, and at least one phosphor of the first converter has a particle size of 5 um to 50 um.

Abstract: A plant cultivation light source includes at least two light sources selected from first, second, and third light sources that emit first, second, and third lights, respectively. The first light has a first peak at a wavelength from about 400 nanometers to about 500 nanometers, the second light has a second peak appearing at a wavelength, which is longer than the first peak, from about 400 nanometers to about 500 nanometers, and the third light has a third peak appearing at a wavelength, which is shorter than the first peak, from about 400 nanometers to about 500 nanometers. The first light is a white light and has a first sub-peak having an intensity lower than an intensity of the first peak at a wavelength from about 500 nanometers to about 700 nanometers. The first sub-peak has a full-width at half-maximum greater than a full-width at half-maximum of the first peak.

Abstract: A plant cultivation light source includes at least two light sources selected from first, second, and third light sources that emit first, second, and third lights, respectively. The first light has a first peak at a wavelength from about 400 nanometers to about 500 nanometers, the second light has a second peak appearing at a wavelength, which is longer than the first peak, from about 400 nanometers to about 500 nanometers, and the third light has a third peak appearing at a wavelength, which is shorter than the first peak, from about 400 nanometers to about 500 nanometers. The first light is a white light and has a first sub-peak having an intensity lower than an intensity of the first peak at a wavelength from about 500 nanometers to about 700 nanometers. The first sub-peak has a full-width at half-maximum greater than a full-width at half-maximum of the first peak.

Abstract: A display apparatus and a method of manufacturing the same. The display apparatus includes a light emitting part including a plurality of light emitting diodes; and a thin film transistor (TFT) panel part configured to drive the plurality of light emitting diodes. The plurality of light emitting diodes are electrically connected to the plurality of TFTs, respectively, by a layer disposed between the light emitting diode part and the TFT panel part.

Abstract: A display apparatus including a frame, light emitting diode chips separated from each other and regularly arranged in a matrix on the frame, an optical part including a display panel and at least one of a phosphor sheet and an optical sheet, a light guide plate disposed between the frame and the optical part to cover the light emitting diode chips, at least one reflector disposed between the frame and the light guide plate to reflect at least part of light emitted from the light emitting diode chip to direct at least part of light emitted therefrom to the light guide plate, and a first-type electrode and a second-type electrode, in which at least one of the light emitting diode chips is a flip-chip type and includes a first-type semiconductor layer electrically connected to the first-type electrode and a second-type semiconductor layer electrically connected to the second-type electrode.

Abstract: A display apparatus including a substrate and having a first substrate electrode and a second substrate electrode, and light emitting sources disposed on the substrate and spaced apart from one another, the light emitting source including a light emitting structure having an n-type semiconductor layer, an active layer, and a p-type semiconductor layer, a p-type electrode electrically connected to the p-type semiconductor layer, an n-type electrode electrically connected to the n-type semiconductor layer, in which the first substrate electrode extends from an upper surface of the substrate facing the light emitting sources to a lower surface thereof and is electrically connected to the p-type electrode, the first substrate electrode including an upper portion having a substantially flat top surface and disposed on the upper surface of the substrate and a lower portion disposed on the lower surface of the substrate.

Abstract: A white light source and method of use thereof, wherein control of daily rhythm and pleasant lighting can be realized. Amounts of stimulation light emitted from a white light source to the intrinsically photosensitive retinal ganglion cells (ipRGCs) and visual cells of the L cone and M cone, are defined as a melanopic irradiance, an L-cone opic irradiance, and an M-cone opic irradiance, respectively; a ratio of the amounts of the stimulation light is expressed by formula (1); and A is the ratio corresponding to the emission spectrum of the white light source, and B is the ratio corresponding to the radiation spectrum of a black body having the same color temperature as the white light source, an amount of stimulation light emitted to the ipRGC is quantitatively changed by changing the emission intensity of the white light source satisfying formula (2). Melanopic irradiance/(L-cone opic irradiance+M-cone opic irradiance)??(1) 0.88?A/B?1.11??(2).

Abstract: A display apparatus including a display panel, a light source configured to emit light, and a light guide disposed on the light source and covering a side of the light source, the light source including a substrate, a light emitter including a light emitting stacked layer and disposed on the substrate, a light blocking layer disposed on a side surface of the light emitting stacked layer, and a reflector disposed between the substrate and the light guide, in which the light emitter has a first length direction and a second length direction, wherein orientation angles of the light emitter in the first and second length directions are different from each other, the substrate includes a first pad electrode and second pad electrode electrically connected to the light emitter, and the first and second pad electrodes are spaced apart from each other by at least 50 ?m.

Abstract: A display apparatus device including a panel substrate including a circuit, and a light module including light sources each including a light emitter, a connection line, a light transmission layer on the light emitter, and a light block layer on the light transmission layer, in which the light sources includes first to fourth light sources, a transmission layer of the first light source includes a first converter, a transmission layer of the fourth light source includes a second converter, the first converter includes a wavelength converter to convert a first primary light of the first light source into a red color range, the second converter converts a fourth primary light of the fourth light source into a white light, and a peak wavelength of a second primary light of the second light source is different from that of a third primary light of the third light source.

Abstract: A light emitting device including at least one main light emitting unit including a light emitting diode chip and a wavelength converter, and configured to emit white light, in which the light emitting diode chip includes at least one of an ultraviolet chip, a violet chip, and a blue chip, and the light emitting device is configured to be adjustable to emit light corresponding to a spectral power distribution of morning sunlight, light corresponding to a spectral power distribution of afternoon sunlight, and light corresponding to a spectral power distribution of evening sunlight.

Abstract: A display device including light emitting modules having signal lines and common lines arranged thereon, each including light emitting diodes mounted on an upper surface thereof and electrically connected to the signal lines and the common lines, respectively, a motherboard coupled to the light emitting modules, and a bonding layer having electrical conductivity and coupling the light emitting modules to the motherboard, in which each of the light emitting modules includes signal line terminals and common line terminals disposed on a lower surface thereof and electrically connected to the signal lines and the multiple common lines, respectively, and the motherboard includes board signal line terminals and board common line terminals disposed on an upper surface thereof at locations corresponding to the signal line terminals and the common line terminals of the light emitting modules.

Abstract: A lighting apparatus includes a light source part having a first light source and a second light source provided away from the first light source, a reflective part provided away from the first light source and second light source and reflecting light emitted from the first light source and second light source, and a support part facing the reflective part and supporting the light source part. The reflective part includes a plurality of reflective plates which are continuously provided. Each of the reflective plates provided adjacent to one another has a reflective surface which is shaped differently from one another.

Abstract: A lighting device includes a substrate having a plurality of flat portions and a non-flat portion disposed between the flat portions, a plurality of light emitting sources disposed on the substrate, a fluorescent substrate layer covering one or more light emitting sources and converting a wavelength of a light from the light emitting source, and a connection line disposed on the substrate and electrically connecting the light emitting sources adjacent to each other between the adjacent light emitting sources. The substrate has a first end and a second end are arranged at different distance from a central axis.

Abstract: A light emitting device including a first light source including a plurality of first light emitting structures and a first wavelength converter and configured to emit a first light, a second light source including a second light emitting structure and a second wavelength converter and configured to emit a second light, and a resistor member connected to the first light source and configured to distribute current to the first light emitting structures, in which a color temperature of the first light is configured to be higher than that of the second light, and the first light and second light are configured to have different light intensity.

Abstract: A lighting device including a first light emitter including a plurality of light sources each being configured to emit light with a different color temperature, a second light emitter including at least one light emitting structure to emit light having a different color range than that emitted from the first light emitter, a controller to adjust characteristics of light emitted from the first and second light emitters, a user interface member configured to receive input of a user and connected to the controller, and a storage medium connected to the controller, in which each of the light sources includes a light-emitting diode chip and a wavelength conversion member to convert a wavelength range of light emitted from the light-emitting diode chip, and the controller is further configured to control the first and second light emitters according to a spectrum of light stored in the storage medium.

Abstract: A light emitting diode having an improved heat dissipation effect includes a light source unit emitting a light to a front surface and including a light emitting part, a first electrode pad, and a second electrode pad. The light emitting diode further includes a lead frame unit disposed on a rear surface of the light source unit and including first and second lead terminals respectively connected to the first and second electrode pads. The light emitting diode also includes at least one of the first and second lead terminals includes an upper conductive layer, an intermediate conductive layer, and a lower conductive layer which are disposed on different layers and electrically connected to one another.