Patent application number | Description | Published |
20090059123 | PLANE LIGHT SOURCE AND LCD BACKLIGHT UNIT HAVING THE SAME - There are provided a plane light source and an LCD backlight unit having the same. A plane light source including light emitting device matrixes each having a plurality of light emitting devices arranged in rows and columns on a substrate according to an aspect of the invention includes: a first matrix having a plurality of light emitting devices arranged in rows and columns; and a second matrix having a plurality of light emitting devices arranged in rows and columns, the light emitting devices each located within a rectangle formed by four adjacent light emitting devices included in the first matrix, and forming angles θ satisfying the condition of 45°≦θ≦55° therebetween on the basis of a horizontal direction, wherein among pitches between one light emitting devices included in the light emitting device matrixes and another lighting light emitting device adjacent to the light emitting device, a pitch P | 03-05-2009 |
20090072119 | Backlight unit and method of driving the same - Provided is a backlight unit including one or more white light emitting diodes (LEDs) for generating light; an LED module having a printed circuit board (PCB), the LED module supporting and driving the white LED; a sensor for detecting the color temperature of the white LED; a heat generating element connected to the LED module; and a controller for controlling the sensor, the LED module, and the heat generating element. | 03-19-2009 |
20090294793 | LED PACKAGE AND METHOD OF MANUFACTURING THE SAME - Provided is an LED package including a heat radiating portion that is composed of two or more metal layers and has a cavity formed therein; a first lead that extends from one side of the heat radiating portion; a second lead that is formed in the other side of the heat radiating portion so as to be separated from the heat radiating portion; a mold portion that fixes the heat radiating portion and the first and second leads; an LED chip that is mounted in the cavity; and a first filler that is filled in the cavity so as to protect the LED chip. | 12-03-2009 |
20100053956 | LIGHT EMITTING MODULE - There is provided a light emitting module including: a printed circuit board; a plurality of light emitting diode chips disposed at a distance from one another on a conductive pattern formed on a top of the printed circuit board; and a connector formed on a bottom of the printed circuit board and electrically connected to the plurality of light emitting diode chips. The light emitting diode chips and the connector are optimally arranged to ensure that the light emitting module is suitably utilized as a high-density linear light source including a great number of light emitting diode chips and emits light outward with minimum loss. | 03-04-2010 |
20100134405 | EDGE TYPE BACKLIGHT UNIT HAVING LOCAL DIMMING FUNCTION - Disclosed is an edge type backlight unit having a local dimming function realized by adjusting the distance between a light guide plate and a plurality of optical systems disposed under the light guide plate. The edge type backlight unit includes a light guide plate guiding light emitted from a light source, and a luminance control unit including a plurality of optical systems reflecting light guided by the light guide plate and emitting the light to a liquid crystal panel, and controlling luminance by controlling the reflectance of each of the plurality of optical systems according to an input image signal. | 06-03-2010 |
20100284186 | PLANE LIGHT SOURCE AND LCD BACKLIGHT UNIT HAVING THE SAME - There are provided a plane light source and an LCD backlight unit having the same. A plane light source including light emitting device matrixes each having a plurality of light emitting devices arranged in rows and columns on a substrate according to an aspect of the invention includes: a first matrix having a plurality of light emitting devices arranged in rows and columns; and a second matrix having a plurality of light emitting devices arranged in rows and columns, the light emitting devices each located within a rectangle formed by four adjacent light emitting devices included in the first matrix, and forming angles θ satisfying the condition of 45°≦θ≦55° therebetween on the basis of a horizontal direction, wherein among pitches between one light emitting devices included in the light emitting device matrixes and another lighting light emitting device adjacent to the light emitting device, a pitch P | 11-11-2010 |
20110127558 | LIGHT EMITTING DIODE PACKAGE AND METHOD OF MANUFACTURING THE SAME - There is provided a light emitting diode package and a method of manufacturing the same. A light emitting diode package according to an aspect of the invention may include: an LED chip; a body part having the LED chip mounted thereon; a pair of reflective parts extending from the body part to face each other while interposing the LED chip therebetween, and reflecting light emitted from the LED chip; and a molding part provided between the pair of reflective parts to encapsulate the LED chip and having a top surface whose central region is curved inwards. | 06-02-2011 |
20110199787 | LED PACKAGE AND A BACKLIGHT UNIT UNIT COMPRISING SAID LED PACKAGE - A light emitting diode (LED) package includes: a main body mounted on a substrate; a light emitting diode that is mounted in the main body and emits light; and a lead frame exposed to allow the main body to be selectively top-mounted or side-mounted. A backlight unit includes: a light guide plate configured to allow a light source to proceed to a liquid crystal panel; a light emitting diode (LED) mounted in a main body mounted on a substrate and generating a light source; and an LED package having a lead frame exposed to allow the main body to be selectively top-mounted or side-mounted, and being mounted on the light guide plate. | 08-18-2011 |
20120127705 | LIGHT EMITTING MODULE - There is provided a light emitting module including: a printed circuit board; a plurality of light emitting diode chips disposed at a distance from one another on a conductive pattern formed on a top of the printed circuit board; and a connector formed on a bottom of the printed circuit board and electrically connected to the plurality of light emitting diode chips. The light emitting diode chips and the connector are optimally arranged to ensure that the light emitting module is suitably utilized as a high-density linear light source including a great number of light emitting diode chips and emits light outward with minimum loss. | 05-24-2012 |
20130194790 | LIGHT EMITTING MODULE - There is provided a light emitting module including: a printed circuit board; a plurality of light emitting diode chips disposed at a distance from one another on a conductive pattern formed on a top of the printed circuit board; and a connector formed on a bottom of the printed circuit board and electrically connected to the plurality of light emitting diode chips. The light emitting diode chips and the connector are optimally arranged to ensure that the light emitting module is suitably utilized as a high-density linear light source including a great number of light emitting diode chips and emits light outward with minimum loss. | 08-01-2013 |