Patent application number | Description | Published |
20130194802 | LIGHTING DEVICE - A lighting device may be provided that includes: a heat sink; a member which has a polygonal pillar shape having at least three sides and is disposed on the heat sink, wherein the sides are inclined at a predetermined angle toward the center of the heat sink; and a light source which is disposed on at least one among the sides of the member, wherein the light source includes: a substrate; at least two light emitting devices which are symmetrically disposed on the substrate with respect to the center of the substrate; and at least two lens units which are disposed on the light emitting devices respectively, and consequently, it is possible to meet U.S. Energy Star and ANSI specifications, to remarkably improve rear light distribution characteristics and to remove a dark portion. | 08-01-2013 |
20130214304 | ILLUMINATING DEVICE - An illuminating device that may include a substrate; a first light emitting chip which is disposed on the substrate; a second light emitting chip which is spaced apart from the first light emitting chip and is disposed on the substrate; a first lens which includes a first cylindrical side having a height greater than the thickness of the first light emitting chip and includes a first spherical or hemispherical curved surface formed on the first side, and which surrounds the first light emitting chip; and a second lens which includes a second cylindrical side having a height greater than the thickness of the second light emitting chip and includes a second spherical or hemispherical curved surface formed on the second side, and which surrounds the second light emitting chip, wherein at least a portion of the first side contacts with at least a portion of the second side. | 08-22-2013 |
20140048682 | DIGITAL IMAGE PROCESSING READOUT INTEGRATED CIRCUIT (ROIC) HAVING MULTIPLE SAMPLING CIRCUITS - Embodiments of the present invention provide an approach for improving overall chip speed by providing one or more sampling circuits in an ROIC so that signal processing and signal reading out operations may occur simultaneously instead of successively. | 02-20-2014 |
20140218964 | LIGHTING MODULE - A lighting module may be provided that includes: a first and a second light source units which are disposed to face each other; a first case in which the first light source unit is disposed; a second case in which the second light source unit is disposed; a first plate of which one side is connected to the first case, of which the other side is connected to the second case and which includes a first hole through which light emitted from the first and the second light source units passes; a second plate which is disposed to face the first plate and includes a second hole through which the light emitted from the first and the second light source units passes; and a first and a second optical sheets which are disposed on the first and the second plates. | 08-07-2014 |
20140239150 | METHOD OF EVALUATING LUMINANCE OF LIGHT SOURCE AND LIGHTING APPARATUS - Embodiments provide a method of evaluating luminance of a light source, including acquiring first data including a plurality of luminance values by measuring luminance of the light source, converting the first data into second data corresponding to a plurality of unit cells, acquiring a moving average of the second data, and acquiring a ripple factor. The ripple factor is represented by (D | 08-28-2014 |
20140240978 | ILLUMINATING APPARATUS - Disclosed is an illuminating apparatus including a housing including a lower plate and a side plate and a light emitting module including a substrate disposed on the lower plate and a plurality of light sources disposed on the substrate to be spaced apart from each other, wherein a height of the side plate is determined as a value obtained by dividing a separation distance between adjacent ones of the light sources by a value obtained by multiplying a tangent value of a max intensity angle of each of the light sources by a luminance compensation factor. | 08-28-2014 |
20140313731 | LIGHTING DEVICE - A lighting device may be provided that comprises: a heat sink comprising a top surface and coupling structures which comprise a first coupling structure and a second coupling structure formed on a side surface of the heat sink; a light source disposed on the top surface of the heat sink; a lens unit disposed on the light source and comprising a first coupling portion which is coupled to the first coupling structure of the heat sink; and a cover unit comprising an optical member which is disposed on the lens unit, and a second coupling portion which is coupled to the second coupling structure of heat sink. | 10-23-2014 |
20150054005 | LIGHT EMITTING PACKAGE - A light emitting device package may be provided that includes: a substrate; a first light emitting chip disposed on the substrate; a plurality of second light emitting chips disposed on the outer circumference of the first light emitting chip; and a lens formed on the first and the second light emitting chips. | 02-26-2015 |