Samsung Electronics Co., Ltd.

Geunwoo Ko

Jonghyun Lee

Sangbum Lee

Hongseok Lee

Minsu Kim

Geeyoung Sung

Jong-Young Hong

Dongyeoul Lee

Yongmin Kwon

Inho Kim

Jaeyoon Kim

Punjae Choi

Jungwook Lee

Young Soo Kim

Juhyun Kim

Sungwook Lee

Young Wook Kim

Kiwon Park

Byungchul Choi

A three-dimensional holographic display device includes a light emitting diode (LED) array including a plurality of light sources controlled to sequentially output light according to a preset pattern, a lens configured to refract light incident from the LED array, a spatial light modulator (SLM) configured to modulate light incident from the lens, and a processor configured to generate a plurality of holographic signals each comprising depth information adjusted according to an arrangement location of each of the plurality of light sources, and for each of the plurality of light sources, control the SLM to modulate the light based on a holographic signal corresponding to the light source.

3D holographic display device and operating method of the same

A light source module is provided. The light source module includes a printed circuit board; a light-emitting device mounted on the printed circuit board, the light-emitting device including a plurality of cell blocks, each of which includes a plurality of light-emitting cells; and a plurality of controllers mounted on the printed circuit board, each of which is configured to drive a cell block corresponding thereto, from among the plurality of cell blocks. The plurality of cell blocks are electrically isolated from each other, the plurality of cell blocks include a first cell block and a second cell block, and a number of first light-emitting cells included in the first cell block is less than a number of second light-emitting cells included in the second cell block.

Light-emitting device and light source module including the same

A semiconductor light emitting device is provided. The semiconductor light emitting device includes a plurality of light emitting structures, each of which includes a first surface and a second surface, a plurality of embossed portions provided on the first surface; a partition wall structure provided on the first surface of the plurality of light emitting structures and including a plurality of partition walls which define a plurality of pixel spaces; and a fluorescent layer provided in the plurality of pixel spaces. A bottom surface of the partition wall structure contacts the plurality of embossed portions.

Semiconductor light emitting devices and partition wall structure, and methods of manufacturing the same

A semiconductor light-emitting device includes a light-emitting pixel region and a pad region, and includes light-emitting structures, a partition wall structure, a passivation structure, and a fluorescent layer, positioned in the light-emitting pixel region, and a pad unit positioned in the pad region. The partition wall structure includes partition walls defining pixel spaces. The passivation structure surrounds the partition walls and includes a first passivation layer including a first insulating material and a second passivation layer including a second insulating material different from the first insulating material. The passivation structure includes a first portion on a top surface of the partition walls, a second portion on a sidewall of the partition walls, and a third portion between the light-emitting structures and the fluorescent layer. A first thickness of the first portion is less than or equal to a second thickness of the second portion.

Semiconductor light-emitting devices and methods of manufacturing the same

A light-emitting device includes a plurality of first light-emitting regions contiguously arranged in a first direction. Each of the first light-emitting regions includes at least one light-emitting cell. A plurality of second light-emitting regions are contiguously arranged in the first direction. Each of the second light-emitting regions includes at least one light-emitting cell. The plurality of second light-emitting regions are adjacent to the plurality of first light-emitting regions in a second direction that intersects the first direction. A first driver controller controls emission of the plurality of first light-emitting regions. Each of the first light-emitting regions has a greater dimension than each of the second light-emitting regions in the second direction. The first driver controller simultaneously turns on or off an entirety of each of the first light-emitting regions.

Light-emitting device and headlamp for vehicle including the same

Growing community of inventors

Hwaseong-si, South Korea

Geunwoo Ko