Projection device and display rack

A projection device being disposable into a display platform of a display rack having a plurality of display platforms, and used for projecting an image frame onto a projection screen of the display platform, wherein a length of the image frame in a first direction is greater than a length of the image frame in a second direction, the projection device comprises:

• an illumination system for providing an illumination light beam;
• a light valve arranged on a transmission path of the illumination light beam, for converting the illumination light beam into an image light beam;
• and
• a projection lens arranged on a transmission path of the image light beam for projecting the image light beam onto the projection screen and forming the image frame at the projection screen,
• wherein the projection lens includes a first lens group arranged along the first direction, a second lens group arranged along a third direction, and a first reflective element arranged between the first lens group and the second lens group, and an optical axis of the first lens group and the first direction include a first angle.

A display rack comprising:

• a plurality of display platforms;
• and
• at least one of a projection device disposed into at least one of the display platform, wherein the projection device is used for projecting an image frame onto a projection screen of the display platform, a length of the image frame in a first direction is greater than a length of the image frame in a second direction, the projection device comprising:
• an illumination system for providing an illumination light beam;
• a light valve arranged on a transmission path of the illumination light beam, for converting the illumination light beam into an image light beam;
• and
• a projection lens arranged on a transmission path of the image light beam for projecting the image light beam onto the projection screen and forming the image frame at the projection screen,
• wherein the projection lens includes a first lens group arranged along the first direction, a second lens group arranged along a third direction, and a first reflective element arranged between the first lens group and the second lens group, and an optical axis of the first lens group and the first direction include a first angle.