Power supply device for vehicle window

A power supply device for a vehicle window to supply power to the vehicle window, the power supply device comprising:

• a carrier plate configured to be lifted or lowered along a guide rail and to be lifted or lowered inside a door together with a window fixedly coupled to the carrier plate, the carrier plate comprising a first electrical connection portion to transmit power to the window;
• a bracket fixedly disposed on the guide rail or a periphery portion of the guide rail between an upper end and a lower end of the guide rail, the bracket comprising a second electrical connection portion to which a power source is connected;
• and
• a flexible connector comprising a side electrically connected to the first electrical connection portion of the carrier plate and another side electrically connected to the second electrical connection portion of the bracket, the flexible connector being configured to transmit an electrical signal supplied from the power source to the first electrical connection portion through the second electrical connection portion,
• wherein the side of the flexible connector is pivotally connected to the first electrical connection portion and the another side of the flexible connector is pivotally connected to the second electrical connection portion,
• wherein, when the carrier plate is lifted or lowered, the flexible connector is configured to be spread or bent between the first electrical connection portion and the second electrical connection portion to transmit the electrical signal of the power source to the carrier plate,
• wherein the flexible connector comprises:
• a first connection member having a pillar shape and rotatably connected to the first electrical connection portion;
• a second connection member having a pillar shape and rotatably connected to the second electrical connection portion;
• and
• a cable interconnecting the first connection member and the second connection member.