Abstract: An ultra-compact phototherapy apparatus for treating skin diseases includes: a PCB substrate in which a light emitting element and a pair of left and right first metal electrodes (positive pole) are formed on an upper surface and a second metal electrode is formed on a lower surface, a battery having a first electrode on an upper surface, which is in contact with the second metal electrode on the lower surface of the PCB substrate, and a second electrode on a lower surface, and an electrode body formed so that the battery is inserted inside and the PCB substrate is inserted in slidingly a front-rear direction, of which an upper inner side is selectively in contact with the first metal electrode of the PCB substrate.

Abstract: A seat latch structure is provided, which includes a base bracket mounted on a seat for a vehicle and having a first insertion hole and a second insertion hole formed thereon and an opening which is formed on one side thereof and into which a striker fixed to a vehicle body is inserted, a claw having a first through-hole formed thereon to correspond to the first insertion hole and a locking groove formed on one side thereof, a pawl provided on one side of the claw and having a second through-hole formed thereon to correspond to the second insertion hole, a first rotating shaft and a second rotating shaft inserted into the first through-hole of the claw and the second through-hole of the pawl, respectively, and a double torsion spring connecting the first through-hole and the second through-hole into which the first rotating shaft and the second rotating shaft are inserted, respectively.

Abstract: A seat latch structure is provided, which includes a base bracket mounted on a seat for a vehicle and having a first insertion hole and a second insertion hole formed thereon and an opening which is formed on one side thereof and into which a striker fixed to a vehicle body is inserted, a claw having a first through-hole formed thereon to correspond to the first insertion hole and a locking groove formed on one side thereof, a pawl provided on one side of the claw and having a second through-hole formed thereon to correspond to the second insertion hole, a first rotating shaft and a second rotating shaft inserted into the first through-hole of the claw and the second through-hole of the pawl, respectively, and a double torsion spring connecting the first through-hole and the second through-hole into which the first rotating shaft and the second rotating shaft are inserted, respectively.