Vehicle seat

including

• A vehicle seat apparatus comprising:
• a seat support structure to which recliners are mounted on first and second side portions thereof;
• a main seatback including an open area therein and including bottom corners respectively connected to the recliners;
• a first sub-seatback-cum-seat cushion and a second sub-seatback-cum-seat cushion, which are rotatably connected to the seat support structure to be disposed in the open area of the main seatback or in a position in which a lower body of an occupant is accommodated;
• and
• a hinge bracket provided in a position inside the recliners of the seat support structure, bottom end portions of the first and second sub-seatback-cum-seat cushions being rotatably connected to the hinge bracket,
• wherein a first hinge frame and a second hinge frame are formed on bottom end portions of a first sub-seatback and a second sub-seatback, respectively, to overlap each other and be hinged to the hinge bracket.

A vehicle seat apparatus comprising:

• a seat support structure to which recliners are mounted on first and second side portions thereof;
• a main seatback including an open area therein and including bottom corners respectively connected to the recliners;
• and
• a first sub-seatback-cum-seat cushion and a second sub-seatback-cum-seat cushion, which are rotatably connected to the seat support structure to be disposed in the open area of the main seatback or in a position in which a lower body of an occupant is accommodated,
• wherein, when a first sub-seatback is horizontally deployed and the main seatback is reclined rearward together with a second sub-seatback and horizontally disposed or the second sub-seatback is horizontally deployed and the first sub-seatback of the main seatback is reclined forward together with the first sub-seatback and horizontally disposed, a full-bed mode is realized.