Altech Co., Ltd.

Sung Su Jo

Ki Hoon Lee

A light-emitting sign device according to the present invention comprises: a solar cell; a battery module comprising at least one battery in which power generated by the solar cell is stored; a light-emitting module for emitting light by the power supplied from the battery; a front panel optically coupled to the light-emitting module; and a controller for applying, to the light-emitting module, a target mode determined, from among driving modes, on the basis of an average value of solar cell voltages measured for a certain period with respect to the solar cell and a voltage value of a battery voltage measured at a certain time with respect to the battery module.

Light-emitting sign device and low-power predictive diagnosis bidirectional adaptive control system comprising same

A light emitting sign apparatus including an optical fiber includes an outer frame. The outer frame includes an accommodation space having an opened front side. A front panel covers the front side of the outer frame, and includes a plurality of first front emission holes. A light source module is located in the accommodation space and includes at least one light source. A plurality of first front optical fibers have first ends connected to the plurality of first front emission holes and second ends optically coupled to the at least one light source. At least one outer illumination sensor is located in the accommodation space. A plurality of outer optical fibers have first ends connected to the outer emission holes provided in the outer frame and second ends optically coupled to the at least one outer illumination sensor.

Light emitting sign apparatus using optical fiber including solar-responsive light sensors

A light emitting sign apparatus using an optical fiber includes: a front panel including a plurality of emission holes; a plurality of optical fibers having one ends respectively connected to the plurality of emission holes and the other ends constituting a concentrated bundle; and a light source assembly including a plurality of light emitting diodes optically coupled to the other ends of the plurality of optical fibers, wherein the plurality of light emitting diodes are located on a plane. Each of the plurality of light emitting diodes belongs to any one of a plurality of groups, one ends of the plurality of groups are connected to the same node, and different power voltages are applied to the other ends of the plurality of groups.

Growing community of inventors

Daegu, South Korea

Sung Su Jo