Head-up display device and transportation device
A head-up display device and a transportation device are provided. The head-up display device includes a light source, a scanner configured to scan light emitted from the light source to form scanned light, an angle adjuster configured to change an exit angle of the scanned light, a display unit configured to form an image according to the scanned light from the angle adjuster, and a projection assembly configured to project the image formed on the display component to a selected area.
1. A head-up display device, comprising:
a light source;
a scanner configured to scan light emitted from the light source to form scanned light;
an angle adjuster configured to change an exit angle of the scanned light;
a display unit configured to form an image according to the scanned light from the angle adjuster; and
a projection assembly configured to project the image formed on the display component to a selected area,
wherein the angle adjuster comprises an optical component configured to change the exit angle of the scanned light,
wherein the angle adjuster further comprises a collimator configured to converge and collimate a light beam emitted from the light source, so as to allow the scanner to scan the light emitted from the light source to form the scanned light, and
wherein the collimator comprises a Fresnel lens, and the optical component comprises a Fresnel lens.
2. The head-up display device of claim 1 , wherein the angle adjuster is configured to enlarge the exit angle of the scanned light.
3. The head-up display device of claim 1 , wherein the display unit comprises a plurality of display sub-units; and
wherein the plurality of display sub-units are disposed independently, and distances from the plurality of display sub-units to the scanner are different from each other.
4. The head-up display device of claim 3 , wherein at least some of the plurality of display sub-units have different sizes from each other.
5. The head-up display device of claim 3 , wherein each of the plurality of display sub-units comprises a diffuser plate.
6. The head-up display device of claim 1 , wherein the collimator comprises a Fresnel lens equivalent to a convex lens, and the optical component comprises a Fresnel lens equivalent to a concave lens.
7. The head-up display device of claim 1 , wherein the scanner comprises a MEMS mirror.
8. The head-up display device of claim 7 , wherein the MEMS mirror comprises an electrostatically-driven MEMS mirror.
9. The head-up display device of claim 7 , wherein the MEMS mirror comprises an electromagnetically-driven MEMS mirror.
10. The head-up display device of claim 7 , wherein the MEMS mirror comprises a two-axis MEMS mirror.
11. The head-up display device of claim 1 , wherein the light source comprises a laser light source.
12. The head-up display device of claim 11 , wherein the laser light source comprises a plurality of laser light sources for emitting light beams of three primary colors R, G, and B, respectively.
13. The head-up display device of claim 1 , wherein the projection assembly comprises a reflector panel.
14. A transportation device, comprising a windshield and the head-up display device of claim 1 , wherein the selected area is a partial area of the windshield.
15. The transportation device of claim 14 , wherein the transportation device comprises any one of an automobile, a train, an airplane, and a ship.
16. A head-up display device, comprising:
a light source;
a scanner configured to scan light emitted from the light source to form scanned light;
an angle adjuster configured to change an exit angle of the scanned light;
a display unit configured to form an image according to the scanned light from the angle adjuster; and
a projection assembly configured to project the image formed on the display component to a selected area;
wherein the angle adjuster comprises an optical component configured to change the exit angle of the scanned light,
wherein the angle adjuster further comprises a collimator configured to converge and collimate a light beam emitted from the light source, so as to allow the scanner to scan the light emitted from the light source to form the scanned light, and
wherein the collimator comprises a Fresnel lens equivalent to a convex lens, and the optical component comprises a concave lens.
17. A transportation device, comprising a windshield and the head-up display device of claim 16 , wherein the selected area is a partial area of the windshield.
18. A head-up display device, comprising:
a light source;
a scanner configured to scan light emitted from the light source to form scanned light;
an angle adjuster configured to change an exit angle of the scanned light;
a display unit configured to form an image according to the scanned light from the angle adjuster; and
a projection assembly configured to project the image formed on the display component to a selected area;
wherein the angle adjuster comprises an optical component configured to change the exit angle of the scanned light,
wherein the angle adjuster further comprises a collimator configured to converge and collimate a light beam emitted from the light source, so as to allow the scanner to scan the light emitted from the light source to form the scanned light, and
wherein the collimator comprises a convex lens, and the optical component comprises a Fresnel lens equivalent to a concave lens.
19. A transportation device, comprising a windshield and the head-up display device of claim 18 , wherein the selected area is a partial area of the windshield.