Autostereoscopic display device and method

An autostereoscopic display device, in sequence along a light-emitting direction, comprising:

• a display panel, having a plurality of pixel groups, each of the pixel groups comprising a plurality of pixels, all of the pixels being arranged in an array, and the display panel emitting image light in the light-emitting direction;
• a plurality of collimation units, each of the collimation units being located at one side of one of the pixels to receive the image light, and each of the collimation units converging the image light into collimated image light, and then emitting the collimated image light along the light-emitting direction;
• and
• a plurality of refraction units, each of the refraction units being located in front of at least one of the pixels on two sides of a center of the pixel group, so as to receive the collimated image light;
• the refraction unit refracting the collimated image light into refraction image light, and then emitting the refraction image light along the light-emitting direction;
• wherein light beams of the refraction image light on two sides of the center of the pixel group are projecting in symmetrically increased oblique angles with respect to the center of the pixel group.

An autostereoscopic display method, comprising:

• providing a display panel, the display panel having a plurality of pixel groups, each of the pixel groups comprising a plurality of pixels, and all of the pixels being arranged in an array;
• controlling the pixels to emit corresponding image light according to coordinate information and depth information of an object in an image;
• disposing a plurality of collimation units on one side of the display panel to receive the image light and converge the image light into collimated image light and then emit the collimated image light along the light-emitting direction, and each of the collimation units being located on one side of at least one of the pixels;
• and
• disposing a plurality of refraction units on one side of the plurality of collimation units relative to the display panel, so as to receive the collimated image light and refract the collimated image light into refraction image light, which is then emitted along the light-emitting direction, and each of the refraction units being located in front of at least one of the pixels on two sides of a center of the pixel group;
• wherein light beams of the refraction image light on two sides of the center of the pixel group are projecting in symmetrically increased oblique angles with respect to the center of the pixel group.