Abstract: A lighting apparatus according to an embodiment comprises: a circuit board; and a plurality of light emitting modules having first to third light source units for emitting different colors on the circuit board; a control unit for providing a current control signal for controlling a current of each of the first to third light source units; a driver for controlling currents of the first to third light source units with a current control signal of the control unit, and a memory unit for storing luminous flux deviation data of the first to third light source units of each of the plurality of light emitting modules, wherein the first light source unit includes a plurality of first light emitting devices for emitting red light, and the second light source unit includes a plurality of second light emitting devices for emitting green light, and the third light source unit includes a plurality of third light emitting devices for emitting blue light, and the control unit controls currents of the first, second, and thir

Abstract: A lighting apparatus disclosed in an embodiment comprises: a circuit board; a light-emitting module arranged on the circuit board and comprising a light source part having first to third light source parts emitting red, green and blue light; a control unit for providing current control signals to the first to third light source parts; a driver for controlling the current in the first to third light source parts by means of the control unit; and a memory unit having compensation data storing input current strength values for the first to third light source parts so that same emit white light having a previously configured correlated color temperature (CCT). The first, second and third light source parts comprise a plurality of first, second and third light-emitting elements for emitting red, green and blue light.

Abstract: A lighting apparatus disclosed in an embodiment comprises: a circuit board; a light-emitting module arranged on the circuit board and comprising a light source part having first to third light source parts emitting red, green and blue light; a control unit for providing current control signals to the first to third light source parts; a driver for controlling the current in the first to third light source parts by means of the control unit; and a memory unit having compensation data storing input current strength values for the first to third light source parts so that same emit white light having a previously configured correlated color temperature (CCT). The first, second and third light source parts comprise a plurality of first, second and third light-emitting elements for emitting red, green and blue light.

Abstract: A lighting apparatus according to an embodiment comprises: a circuit board; and a plurality of light emitting modules having first to third light source units for emitting different colors on the circuit board; a control unit for providing a current control signal for controlling a current of each of the first to third light source units; a driver for controlling currents of the first to third light source units with a current control signal of the control unit, and a memory unit for storing luminous flux deviation data of the first to third light source units of each of the plurality of light emitting modules, wherein the first light source unit includes a plurality of first light emitting devices for emitting red light, and the second light source unit includes a plurality of second light emitting devices for emitting green light, and the third light source unit includes a plurality of third light emitting devices for emitting blue light, and the control unit controls currents of the first, second, and thir

Abstract: Disclosed is a light emitting module including a circuit board and a light source unit disposed on the circuit board. The light source unit includes a plurality of first, second and third light emitting devices emitting light of different colors, the plurality of first light emitting devices are disposed in an outer circumference of the second and third light emitting devices, the plurality of second light emitting devices are disposed in both sides of the plurality of the third light emitting devices, the plurality of first light emitting devices emits light having a wavelength longer than that of light emitted from the second and third light emitting devices. The plurality of second light emitting devices emits light having a wavelength longer than that of light emitted from the third light emitting devices, and the numbers of the first to third light emitting devices are different from one another.

Abstract: A lighting device may be provided that includes: a light source which includes a blue light emitting device emitting blue light, and a red light emitting device emitting red light in a visible light spectrum; an optical exciter which is disposed on the light source, is spaced apart from the blue light emitting device and the red light emitting device, and includes at least one phosphor; and a power supply unit which is electrically connected to the light source and controls on/off of the blue light emitting device and the red light emitting device. When the blue light emitting device is an on-state and the red light emitting device is an off-state by the power supply unit, light emitted from the optical exciter is disposed within a specific area on a CIE 1931 chromaticity diagram. The specific area is formed by connecting three color coordinates, and the three color coordinates are (0.32, 0.4), (0.36, 0.5) and (0.368, 0.49).

Abstract: Disclosed is a light emitting module including a circuit board and a light source unit disposed on the circuit board. The light source unit includes a plurality of first, second and third light emitting devices emitting light of different colors, the plurality of first light emitting devices are disposed in an outer circumference of the second and third light emitting devices, the plurality of second light emitting devices are disposed in both sides of the plurality of the third light emitting devices, the plurality of first light emitting devices emits light having a wavelength longer than that of light emitted from the second and third light emitting devices. The plurality of second light emitting devices emits light having a wavelength longer than that of light emitted from the third light emitting devices, and the numbers of the first to third light emitting devices are different from one another.

Abstract: A lighting device may include a heat sink and a mounting surface provided a prescribed distance over the heat sink. A plurality of light emitting diodes may be provided on the mounting surface. The plurality of light emitting diodes may be positioned a prescribed distance from a point on the mounting surface. An enclosure having a prescribed shape may be provided over the mounting surface and the plurality of light emitting diodes. The enclosure may include luminescent material such that a wavelength of light emitted by the enclosure is different from a wavelength of light emitted by the plurality of light emitting diodes. A bulb may be provided over the heat sink to surround the enclosure.

Abstract: A lighting device may be provided that includes: a light source which includes a blue light emitting device emitting blue light, and a red light emitting device emitting red light in a visible light spectrum; an optical exciter which is disposed on the light source, is spaced apart from the blue light emitting device and the red light emitting device, and includes at least one phosphor; and a power supply unit which is electrically connected to the light source and controls on/off of the blue light emitting device and the red light emitting device. When the blue light emitting device is an on-state and the red light emitting device is an off-state by the power supply unit, light emitted from the optical exciter is disposed within a specific area on a CIE 1931 chromaticity diagram. The specific area is formed by connecting three color coordinates, and the three color coordinates are (0.32, 0.4), (0.36, 0.5) and (0.368, 0.49).

Abstract: A lighting device may be provided that includes: a first to a fourth light emitting devices which are disposed on a substrate a first and a second pulse width modulation controllers which perform a pulse width modulation on currents applied to the first and the second light emitting devices respectively; and a first and a second controllers which control respectively currents applied to the third and the fourth light emitting devices having color temperatures different from those of the first and the second light emitting devices, wherein an (x, y) coordinate, which is determined by the mixture of the lights emitted from the first to the fourth light emitting devices and is located within a 1931 CIE chromaticity diagram, is moved onto a black body radiation curve within the 1931 CIE chromaticity diagram through the pulse width modulation of the first and the second pulse width modulation controllers and the control of the first and the second controllers.

Abstract: A lighting device may be provided that includes: a light emitting device; and a phosphor composition which is disposed on the light emitting device, wherein the phosphor composition includes phosphor and glass frit, wherein the phosphor includes yellow phosphor and red phosphor, and wherein a ratio of the yellow phosphor and the red phosphor is from 6:1 to 10:1.

Abstract: A lighting device may include a heat sink and a mounting surface provided a prescribed distance over the heat sink. A plurality of light emitting diodes may be provided on the mounting surface. The plurality of light emitting diodes may be positioned a prescribed distance from a point on the mounting surface. An enclosure having a prescribed shape may be provided over the mounting surface and the plurality of light emitting diodes. The enclosure may include luminescent material such that a wavelength of light emitted by the enclosure is different from a wavelength of light emitted by the plurality of light emitting diodes. A bulb may be provided over the heat sink to surround the enclosure.