Lg Electronics Inc.

Sejoon You

Kyunghyun Kim

Hyunha Kim

Jeongsoo Lee

Seokhoon Kang

Hankyu Cho

Jongmoo Lee

Eunyoung Kim

Dohyung Lee

Byungsang Jung

Seoyoung Maeng

Euna Moon

Yongseog Jeon

Bongho Kim

Kyungnam Park

Kyungtaek Lee

Jihwan Hur

Dongchul Yoo

A micro-lens array includes a shutter bezel substrate, a first lens substrate having a first inner surface in contact with a first surface of the shutter bezel substrate, a first lens array disposed at a first outer surface of the first lens substrate that is opposite to the first inner surface of the first lens substrate, a second lens substrate having a second inner surface in contact with a second surface of the shutter bezel substrate, and a second lens array disposed at a second outer surface of the second lens substrate that is opposite to the second inner surface of the second lens substrate. At least one of the first lens substrate or the second lens substrate includes an alignment mark that is configured to guide placement of the first lens array on the first lens substrate and the second lens array on the second lens substrate.

Micro-lens array and method of manufacturing the same

A lamp for a vehicle includes a light source unit configured to emit light. The light source unit includes a substrate that includes a wiring electrode, a plurality of semiconductor light emitting devices electrically connected to the wiring electrode, a plurality of phosphor layers that respectively cover the plurality of semiconductor light emitting devices and that are configured to convert wavelengths of light, and barrier ribs disposed on the substrate and configured to reflect light, the barrier ribs being interposed between the plurality of semiconductor light emitting devices. A height of each of the barrier ribs exceeds a height of each of the plurality of semiconductor light emitting devices in a thickness direction of the plurality of semiconductor light emitting devices.

Vehicle lamp using semiconductor light emitting device

A light emitting device is provided. The light emitting device includes a blue light emitting diode (LED); and phosphors including first to third phosphors, wherein the first phosphor is excited by light emitted from the blue LED, emits light having a main wavelength of about 495 nm to about 510 nm, and includes BaSiON:Eu or (Ba,Sr)SiON:Eu where 0&#x3c;x&#x3c;1, the second phosphor is excited by light emitted from the blue LED, emits light having a main wavelength of about 555 nm to about 575 nm, and includes LuAlO:Ce or (Lu,Gd)AlO:Ce where 0&#x3c;x&#x3c;1, and the third phosphor is excited by light emitted from the blue LED, emits light having a main wavelength of about 580 nm to about 605 nm, and includes (Ca,Sr)AlSiN:Eu where 0&#x3c;x&#x3c;1.

High color rendering light emitting device including different phosphors

There is disclosed a lighting apparatus that can light a room intensively, fitted to a characteristic of a room, by adjusting an angle of light distribution and that can prevent glare, with improved optical uniformity and beautiful exterior appearance.

Lighting apparatus

A lighting apparatus can dissipate heat by conduction and convection. A heat sink is provided with an active cooling device for the lighting apparatus.

A lighting apparatus is disclosed. The lighting apparatus may be an omni-directional LED lamp. The lighting apparatus may include a heat sink and a first substrate disposed over the heat sink. A second substrate may be mounted to a connector provided on the first substrate. The second substrate may include at least one LED mounted on a surface of the second substrate. The second substrate may be mounted in the connector such that the surface of the second substrate is positioned at a prescribed angle with respect to the upper surface of the first substrate. Various types of reflectors are disclosed that reflect light in a prescribed angular range with uniform intensity. A bulb may be provided over the heat sink to surround the LEDs. Moreover, a power module may be electrically connected to the connector to provide power to the LEDs.

Omnidirectional LED lighting apparatus

A lighting apparatus may include a body having a substrate, and a light emitting module with a light emitting diode (LED) mounted to the substrate. A connection member may be provided to the body, and a support member may be mounted to the connection member at a predetermined tilt angle thereto to adjust a light directing angle of the body.

A lighting apparatus is broadly disclosed and embodied herein. The lighting apparatus may include a heat sink, a first reflector provided over the heat sink, a light emitting module provided at the first reflector, an enclosure provided over the heat sink to surround the light emitting module, and a second reflector provided over the light emitting module. At least a portion of the light emitted from the light emitting module may be reflected at least in a direction a prescribed angle below a horizontal plane of the light emitting module.

Growing community of inventors

Seoul, South Korea

Sejoon You