Head mount display device

A head mount display device, comprising:

• a display panel;
• and
• an optical system positioned in front of the display panel,
• wherein the display panel includes layers arranged in an order of a light emitting element part, a third retarder, a first reflective polarizer, an absorptive polarizer, and the third retarder is positioned between the optical system and the light emitting element part, and there is no additional polarizer between the third retarder and the first reflective polarizer and no additional polarizer between the first reflective polarizer and the absorptive polarizer;
• and
• the optical system includes:
• a first curved lens, which is positioned to face the display panel, and includes a first retarder positioned on a first surface thereof facing the display panel and a beam splitter positioned on a second surface thereof opposite to the first surface;
• and
• a second curved lens, which is positioned to face the beam splitter, and includes a second retarder positioned on a first surface thereof facing the beam splitter and a second reflective polarizer positioned on a second surface thereof opposite to the first surface of the second curved lens.