Lg Electronics Inc.

Jideok Kim

Jaehyuk Lim

Jaewook Kwon

Seungchan Lee

Juchan Choi

Kwangsuk Hwang

Youra Heo

Sanghun Kim

Hyunwoo Cho

Bongchu Shim

Namjin Kim

Jaecheon Sa

Kiseong Jeon

Sangok Yeo

Chanyoung Yoon

Huichang Park

Youngeun Kim

Woojae Park

Seulbitna Lee

Jaeho Oh

A MEMS scanner is disclosed. The MEMS scanner includes a mirror rotatable about at least one rotational axis, a gimbal disposed outside the mirror, a spring connected to the gimbal on the same line as the rotational axis of the mirror, a substrate spaced apart from an outer surface of the gimbal and connected to the gimbal via the spring, a coil disposed on the gimbal so as to adjust a rotational angle of the mirror by generating electromagnetic force by interaction with a magnetic field, which is first formed therearound, when current flows therethrough, and a plurality of combs formed between the substrate and at least one of the spring and the gimbal adjacent to the substrate so as to detect the rotational angle of the mirror.

MEMS scanner for detecting rotational angle of mirror

Discussed is an apparatus for self-assembling semiconductor light-emitting devices, the apparatus including a fluid chamber to accommodate the semiconductor light-emitting devices, each semiconductor light-emitting device having a magnetic body; a magnet to apply a magnetic force to the semiconductor light-emitting devices while an assembly substrate is disposed at an assembly position of the self-assembly apparatus; a power supply to induce formation of an electric field on the assembly substrate to allow the semiconductor light-emitting devices to be seated at a preset positions on the assembly substrate in a process of moving the semiconductor light-emitting devices due to a change in a position of the magnet; and a fluid injector to shoot a fluid to some of the semiconductor light-emitting devices to allow the some of the semiconductor light-emitting devices seated on the assembly substrate to be separated from the assembly substrate.

Apparatus and method for self-assembling semiconductor light-emitting device

A series elastic actuator includes a gear, a mounting recess formed in the gear, an elastic body provided in the mounting recess, an output body, a through-hole penetrating the gear, a shaft passing through the through-hole, a pair of bearings to radially support the shaft, and a pair of bearing mounting recesses to receive the pair of bearings. The gear is configured to rotate by a rotational power source. A rotation force of the gear is transmitted to the gear by the elastic body. The through-hole may extend in an axial direction, and the pair of bearings may be spaced apart from each other in the axial direction. The pair of bearing mounting recesses may be formed at opposite ends of the through-hole.

Series elastic actuator

An action robot includes a connector configured to connect a body to a movable part, a joint including a rotational body fastened to the movable part, a joint shaft provided to protrude from the rotational body, and a joint shaft supporting part provided in the connector to have a ring shape, the joint shaft being inserted into the joint shaft, a wire connected to the movable part to pull the movable part in a direction in which the joint is bent, a wire path provided in the connector, the wire path including an inlet which is disposed in the body and through which the wire passes, and a supporter disposed in the body to support the wire. An upper end of the supporter overlaps the inlet in a horizontal direction.

Action robot

An image projection image for projecting an image on a screen includes a light source, a scanning mirror and a prism. The light source includes laser diodes for emitting beams of different wavelengths. The scanning mirror reflects the beams radiated from the light source and projects the reflected beams. The prism is disposed at the rear of the scanning mirror to decenter the beams via the scanning mirror based on the wavelengths. In the image projection apparatus, the laser diodes are fixed to be vertically spaced apart from a reference height, corresponding to the wavelengths of the beams.

Image projection apparatus

Display shelf

Shelf for displaying goods

There is disclosed a laser projection display including a light source unit for emitting light laser light; a light resolution unit for resolving the laser light into a first light and a second light; an optical scanner for realizing an image by scanning the resolved first light to a screen; a sensing unit for sensing the resolved second light; and an alignment compensation unit for calculating location variation of the second light sensed by the sensing unit and compensating color alignment to correspond to the calculated location variation value, wherein a distance between a light emitting surface of the light resolution and a light incidence surface of the optical scanner is equal to a distance between a light emitting surface of the light resolution unit and a light incidence surface of the sensing unit.

Laser projection display and method for aligning color of the same

Growing community of inventors

Seoul, South Korea

Jideok Kim