Lg Innotek Co., Ltd.

Suzhou Lekin Semiconductor Co., Ltd.

Do Yub Kim

Min Hak Kim

Yeong Seok Yu

Seung Beom Jeong

Se Yeon Choi

Jae Hun Yoon

Sang Youl Lee

Ki Man Kang

Eun Dk Lee

Young Joo Ahn

Kwang Jae Lee

Eon Ho Son

Mi Na Shin

Chul Ho Jang

Ki Soo Kwon

Baek Jun Kim

Keon Hwa Lee

Min Ji Kim

Myung Sub Kim

Myung Jin Song

Tae Kyung Na

A lighting device disclosed in an embodiment of this invention includes a reflective layer, a resin layer disposed on the reflective layer, a substrate disposed on the resin layer and including an electrode layer, a plurality of light emitting devices disposed between the resin layer and the substrate, and a light blocking layer disposed on the substrate, the electrode layer may include a first pattern region disposed adjacent to the light emitting device and a second pattern region disposed outside the first pattern region and having a pattern different in size from the first pattern region, and the light blocking pattern region may overlap in a vertical direction with the first pattern region.

Lighting device and lamp comprising same

The lighting device disclosed in the embodiment includes a substrate, a light emitting device disposed on a lower surface of the substrate, a reflective layer disposed to face a light emitting surface of the light emitting device, a first resin layer disposed between the substrate and the reflective layer, and a light-transmission control layer disposed on an upper surface of the substrate, wherein the light-transmission control layer may include a liquid crystal layer including a cholesteric liquid crystal, and light emitted through the light emitting surface of the light emitting device may be reflected by the reflective layer and be provided to the light-transmission control layer through the substrate.

Lighting device and vehicle lamp having same

According to an embodiment, disclosed is a curing-device comprising: a stage; a light emitting module including a substrate disposed on the stage and a plurality of light emitting elements disposed on the substrate; and a plurality of transparent blocks disposed between the light emitting module and the stage, wherein the substrate includes a plurality of first sections and a plurality of second sections which are disposed in a first direction, the intervals in the first direction between the light emitting elements disposed in the first sections is smaller than the intervals in the first direction between the light emitting elements disposed in the second sections, and the plurality of transparent blocks are disposed on the first sections.

Curing-device

Disclosed is a semiconductor device package comprising: first insulation layers disposed between first wiring lines and second wiring lines; a plurality of first pads electrically connected to the first wiring lines, respectively; and a plurality of second pads electrically connected to the second wiring lines, respectively, wherein the line having the longest length extended in a first direction, among the plurality of first wiring lines, has an area of a region, which is overlapped with an electrically connected semiconductor structure, that is larger than that of the line having the shortest extended length.

Display apparatus

Disclosed in an embodiment are a semiconductor device and a head lamp comprising the same, the semiconductor device comprising: a substrate; a plurality of semiconductor structures arranged at a center part of the substrate; first and second pads arranged at an edge part of the substrate; a first wiring line electrically connecting at least one of the plurality of semiconductor structures to the first pad; a second wiring line electrically connecting at least one of the plurality of semiconductor structures to the second pad; and a wavelength conversion layer arranged on the plurality of semiconductor structures, wherein the plurality of semiconductor structures is arranged to be spaced apart from each other in a first direction and a second direction, the first direction and the second direction cross each other, the interval distance between the plurality of semiconductor structures is 5 &#x3bc;m to 40 &#x3bc;m and the thickness of the wavelength conversion layer is 1 &#x3bc;m to 50 &#x3bc;m.

Semiconductor device and head lamp comprising same

A semiconductor element package includes: a semiconductor element arranged above a first substrate; first and second electrodes arranged above the first substrate and electrically connected to the semiconductor element; a housing which is arranged above the first substrate and arranged around the semiconductor element, and which has a stepped portion in the upper area thereof; a diffusion part arranged on the stepped portion of the housing and arranged above the semiconductor element; and a plurality of via holes penetrating the first substrate and the housing.

Semiconductor element package and autofocusing device

An embodiment comprises: a board; a light-emitting module including at least one light-emitting element arranged in a first region of the board and a driving element, arranged in a second region of the board, for driving the at least one light-emitting element; a heat-dissipating member disposed below the lower surface of the board; and a heat-dissipating pad disposed between the board and the heat-dissipating member, wherein the heat-dissipating pad comprises: a heat-dissipating plate disposed on the upper surface of the heat-dissipating member; and a protruding part protruding from the upper surface of the heat-dissipating plate and supporting the lower surface of the first region of the board, and the lower surface of the board is spaced apart from the heat-dissipating plate.

Lighting device

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 third light source units of the plurality of light emitting modules, respectively, according to an intensity value of an input current corresponding to the luminous flux deviation data.

Light emitting module and lighting device having same

An embodiment comprises: a voltage generation unit for providing a direct current signal for driving a light emitting unit; a sensing resistor; and a dimming unit which is connected between the light emitting unit and the sensing resistor and controls a current flowing in the sensing resistor and the light emitting unit, wherein the dimming unit adjusts the level of the direct current signal on the basis of a first sensing voltage as a result of sensing the voltage of a first node where a switch is connected to the light emitting unit, and a second sensing voltage as a result of sensing the voltage of a second node where the switch is connected to the sensing resistor.

Device for driving light emitting element

Embodiments provide an illumination apparatus including a light emitting module including a board, at least one light emitting device disposed in a first region of the board and drive devices disposed in a second region of the board, a heat dissipation member, and dummy pads disposed around the at least one light emitting device, the heat dissipation member including a base, a core, and heat dissipation fins connected to the side surface of the core and the lower surface of the base. The first region is one region of the upper surface of the board, located within a designated range from the center of the board, and the second region is another region of the upper surface of the board, spaced apart from the first region by a first distance and spaced apart from the edge of the upper surface of the board by a second distance.

Illumination apparatus

A light emitting module of an embodiment comprises: (1-1)to (1-M)(where M is a positive integer equal to or greater than 2) light emitting elements connected with each other; (2-1)to (2-N)(where N is a positive integer equal to or greater than 1) light emitting elements connected in parallel with a (1-m)(1&#x2264;m&#x2264;M) light emitting elements which is one of the (1-1)to (1-M)light emitting elements; and an on/off controller controlling to turn the (1-1)to (1-M)light emitting elements and (2-1)to (2-N)light emitting elements on or off according to a level of an operation signal. The on/off controller comprises a first on/off control unit controlling to turn the (1-m)light emitting element and (2-1)to (2-N)light emitting elements on or off, and a second on/off control unit controlling to turn the remaining light emitting elements on or off, excluding the (1-m)light emitting element from the (1-1)to (1-M)light emitting elements, wherein the first on/off control unit compensates for a change in a second current flowing in the (2-1)to (2-N)light emitting elements, depending on the temperature, in conjunction with a first current flowing in the (1-m)light emitting element.

Light emitting module

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. The control unit controls the current in the first to third light source parts by means of the input current strength value corresponding to the compensation data so as to control the white light discharged from the light-emitting module is emitted as white light meeting the CCT criterion.

Light-emitting module and lighting apparatus provided with same

One embodiment relates to a device for driving a light emitting diode, the device controlling a plurality of light emitting diode arrays connected in series, and comprising: a rectifying unit for rectifying an alternating current signal so as to output the rectified signal; and a control unit for sensing the level of the rectified signal, comparing the sensed level of the rectified signal with a reference voltage, and aligning a first group among the plurality of light emitting diode arrays and a second group among the plurality of light emitting diode arrays in series or in parallel on the basis of the comparison result, wherein the control unit successively drives the light emitting diode arrays of the first and second groups connected in parallel or successively drives the light emitting diode arrays of the first and second groups connected in series on the basis of the magnitude of the sensed level of the rectified signal.

Growing community of inventors

Seoul, South Korea

Do Yub Kim