Seoul Viosys Co., Ltd.

Namgoo Cha

Jae Hee Lim

Sang Min Kim

Sangmin Kim

Seongchan Park

Yeonkyu Park

Jung Hwan Ahn

Woogun Lee

Jinkyu Jang

A wafer for fabricating a unit pixel is provided. The wafer includes a transparent substrate, and a light blocking layer disposed on the transparent substrate. The light blocking layer includes a plurality of unit pixel regions and at least one observation region. Each of the unit pixel regions has a mounting region for mounting a light emitting device, and the observation region includes the mounting region for mounting the light emitting device and an auxiliary pattern disposed around the mounting region.

Wafer having auxiliary pattern for aligning light emitting device and method of fabricating unit pixel using the same

A unit pixel according includes a transparent substrate, a plurality of light emitting devices disposed on the transparent substrate, and an adhesive layer disposed between the light emitting devices and the transparent substrate to bond the light emitting devices. The adhesive layer is sealed inside the unit pixel.

Unit pixel having light emitting device and displaying apparatus

A light emitting device is a micro-scale light emitting device including a semiconductor stack, an insulation layer, and a metal reflection layer. The semiconductor stack includes a first conductivity type semiconductor layer, a second conductivity type semiconductor layer, and an active layer disposed between the first conductivity type semiconductor layer and the second conductivity type semiconductor layer. The insulation layer covers upper and side surfaces of the semiconductor stack. The metal reflection layer is disposed on the insulation layer, and covers at least a portion of the side surface of the semiconductor stack. The insulation layer includes a distributed Bragg reflector.

High efficiency light emitting device, unit pixel having the same, and displaying apparatus having the same

A unit pixel and a displaying apparatus including the unit pixel are provided. The unit pixel includes a transparent substrate, a plurality of light emitting devices arranged on the transparent substrate, a light blocking layer disposed between the transparent substrate and the light emitting devices, and having at least one window, and a semi-transmissive layer disposed between at least one of the plurality of light emitting devices and the transparent substrate to overlap with the window at least partially.

Unit pixel and displaying apparatus including the unit pixel

A unit pixel includes a transparent substrate, a plurality of light emitting devices arranged on the transparent substrate, and an optical layer disposed between the light emitting devices and the transparent substrate and transmitting light emitted from the light emitting devices. The transparent substrate has a concavo-convex pattern on a surface facing the light emitting devices.

A light emitting device mixer includes at least two bowl feeders, each including a bowl capable of holding workpieces, and a driving unit capable of causing vibration to the bowl. The bowl feeders include a moving passage through which the workpieces may move from one bowl feeder to an adjacent bowl feeder.

LED mixer using vibratory bowl feeder

A unit pixel is provided. The unit pixel includes a transparent substrate, a first light blocking layer disposed on the transparent substrate and having windows that transmit light, an adhesive layer covering the first light blocking layer, a plurality of light emitting devices disposed on the adhesive layer to be arranged on the windows, and a second light blocking layer covering side surfaces of the light emitting devices.

Unit pixel having light emitting device, method of fabricating the same, and displaying apparatus having the same

A unit pixel includes a transparent substrate having an upper surface and a lower surface, a plurality of light emitting devices arranged over the upper surface of the transparent substrate, and a reflector disposed between the light emitting devices and the transparent substrate. Light emitted from the light emitting devices is configured to exit to the outside through the upper and lower surfaces of the transparent substrate, and the reflector is configured to reflect light proceeding to the upper surface of the transparent substrate from the inside of the transparent substrate.

A unit pixel includes a transparent substrate, a plurality of light emitting devices disposed on the transparent substrate, and an electrostatic discharge (ESD) protector disposed on the transparent substrate and protecting at least one of the light emitting devices from electrostatic discharge.

Unit pixel having light emitting devices and display apparatus having the same

A unit pixel includes a transparent substrate, a plurality of light emitting devices arranged on the transparent substrate, connection layers electrically connected to the light emitting devices, and bonding pads disposed over the connection layers and electrically connected to the connection layers. The bonding pads are partially overlapped with at least one of the light emitting devices in a vertical direction, respectively.

Growing community of inventors

Gyeonggi-do, South Korea

Namgoo Cha