Lg Electronics Inc.

Chilkeun Park

Sangcheon Kim

Mangeun Kim

Munheon Hong

Yongjin Kim

Hyouk Chon Kwon

Moongoo Choi

Hyunho Lee

Junghoon Kim

Jaewon Chang

Wonjae Chang

Byoungkwon Cho

Byungjun Kang

Sangmo Koo

Misook Kim

Kyoungwoo Jo

Muntae Jung

Boyeon Sim

Hyouk Kwon

The display device includes a substrate, a first and second assembly wirings on the substrate, a partition having a hole on the first and second assembly wirings, and a semiconductor light emitting device in the hole, wherein the hole configured to have an inner side with a first obtuse angle to a lower side, and wherein the semiconductor light emitting device configured to have at least one side having a second obtuse angle with respect to the lower side.

Display device

The present specification provides a display device using a semiconductor light emitting element that self-assembles in a fluid, and a method for manufacturing same. The semiconductor light emitting element is a horizontal semiconductor light emitting element, and has a plurality of mesa structures on one surface thereof to enable unidirectional assembly in a fluid. Further, a transparent electrode layer can be formed on the one surface including the mesa structures to improve luminous efficiency.

Display device using micro LED and method of manufacturing same

A display device including a lower cover; a circuit substrate on the lower cover; a plurality of light sources disposed on a first portion of the circuit substrate; a reflection layer disposed on a second portion of the circuit substrate; a first adhesive disposed between the second portion of the circuit substrate and the reflection layer; a light regulator including light regulating patterns disposed in the reflection layer; and an optical sheet disposed on the light sources.

Planar lighting device

A display device including a lower cover; a circuit substrate on the lower cover; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the lower cover; a light regulating pattern disposed close to an edge of the reflection layer; and an optical sheet disposed on the light sources. Further, a width of the light regulating pattern changes along the edge of the reflection layer.

A display device including a lower cover; a circuit substrate on the lower cover; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the lower cover; a light regulating pattern disposed close to an edge of the reflection layer; and an optical sheet disposed on the light sources. Further, the light regulating pattern changes in size as a distance from the light source changes.

A display device includes a lower cover; a circuit substrate disposed on the lower cover; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate; a light regulator disposed at an edge of the reflection layer at an angle with respect to the reflection layer; and an optical sheet disposed on the plurality of light sources. Further, the light regulator includes a reflector portion reflecting light from the plurality of light sources; and an absorber portion having holes arranged in a pattern. In addition, light emitted from a respective light source close to the edge passes through the holes.

A lighting device includes a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of absorbers disposed at an edge of the reflection layer and at an angle with respect to the reflection layer. Further, a first area at a corner of the reflection layer absorb more light emitted from the light sources than second areas neighboring the first area; and an optical sheet disposed on the light sources.

A display device includes a lower cover; a circuit substrate disposed on the lower cover; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate; a light regulator disposed at an edge of the reflection layer at an angle with respect to the reflection layer; and an optical sheet disposed on the light sources. Further, the light regulator includes absorber portions and reflector portions located between the absorber portions, the absorber portion is located in a portion of the light regulator corresponding to an outermost light source, and the reflector portion is located in a portion of the light regulator corresponding to an inner light source inwardly located than the outermost light source.

A lighting apparatus and a mobile terminal controlling the same are disclosed. The lighting apparatus comprises a light source module generating light; and an electrochromic module varying a wavelength of light incident from the light source module, wherein the electrochromic module absorbs light of a specific one among wavelength ranges of the light incident from the light source module, in accordance with a lighting mode which is input. The mobile terminal controlling a lighting apparatus, which includes a light source module and an electrochromic module, comprises an input module receiving a user input; a communication module transmitting a lighting control signal to the lighting apparatus; a display module displaying a setup window for setting a lighting mode of the lighting apparatus; and a controller controlling the input module, the communication module and the display module.

Lighting apparatus and mobile terminal for controlling the same

A lighting device including a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of absorbers disposed at an edge of the reflection layer and at an angle with respect to the reflection layer, wherein first areas aligned with the respective light sources have a greater density of the plurality of absorbers than second areas between the first areas; and an optical sheet disposed on the light sources. In addition, a central axis of a corresponding first area matches a central axis of a corresponding light source.

A display device comprises a display panel and a backlight unit. The backlight unit comprises: a bottom cover; a light source module mounted on the bottom cover and including: light sources arranged at uniform intervals; and a circuit board on which the light sources are mounted; a reflective layer placed above the light source module to reflect the light emitted from the light sources towards the display panel; a screening layer disposed over the reflective layer at a distance therefrom and having patterned holes to allow only a portion of the light reflected from the reflective layer to be transmitted; and a spacer disposed between the reflective layer and the screening layer to form a light guide layer defined by a vacant space between the reflective layer and the screening layer and to maintain the uniform height of the light guide layer.

A lighting device including a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of light regulating patterns disposed at an edge of the reflection layer and at an inclination with respect to the reflection layer, wherein corresponding light regulating patterns are disposed closer to the edge of the reflection layer at first areas aligned with the respective light sources than light regulating patterns at second areas between the first areas; and an optical sheet disposed on the light sources.

A lighting device including a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of absorbers disposed at an edge of the reflection layer and at an inclination with respect to the reflection layer, wherein the plurality of absorbers have a greater density at first areas aligned with the respective light sources than at second areas between the first areas; and an optical sheet disposed on the light sources.

Disclosed is a planar lighting device and more particularly, a planar lighting device including a light emitting device. The planar lighting device includes a plurality of light sources arranged on a first surface of a circuit substrate, the light sources mounted thereon, a light regulator disposed in an edge of the first surface, the light regulator regulating luminance difference caused by difference in distance between a plurality of light sources close to the edge, and an optical sheet disposed on the light sources.

A light emitting device package including a light emitting device; an encapsulant configured to cover the light emitting device; a first material mixed with the encapsulant to scatter light emitted from the light emitting device or convert a wavelength; and a second material mixed with the encapsulant, and disposed on a layer different from that of the first material in the encapsulant to scatter or wavelength-convert at least part of light scattered and wavelength-converted from the first material.

Growing community of inventors

Seoul, South Korea

Chilkeun Park