Display device

1. A display device configured to be disposed in a vehicle, comprising:

a light emitting unit; and

a light controlling means disposed on a route that a light emitted from the light emitting unit moves, through which the light is controlled to move at a first angle in a horizontal direction and at a second angle in a vertical direction,

wherein the horizontal direction is defined as a direction parallel to a floor of the vehicle and the vertical direction is defined as a direction perpendicular to the floor of the vehicle;

wherein the first angle is greater than the second angle.

2. The display device according to claim 1 , wherein the light controlling means is a collimator.

3. The display device according to claim 2 , wherein the collimator comprises a plurality of first collimating walls and a plurality of second collimating walls, the plurality of first collimating walls are arranged in the horizontal direction and spaced from each other at a first distance, and the plurality of second collimating walls are arranged in the vertical direction and spaced from each other at a second distance.

4. The display device according to claim 3 , wherein the first distance is greater than the second distance.

5. The display device according to claim 2 , wherein the plurality of first collimating walls are adjustable collimating walls, and the plurality of second collimating walls are non-adjustable collimating walls.

6. The display device according to claim 5 , wherein the plurality of first collimating walls in a first mode are more transparent than the plurality of first collimating walls in a second mode.

7. The display device according to claim 3 , wherein the display device has a first region and a second region, the first region has at least a portion of the plurality of first collimating walls and a portion of the plurality of second collimating walls, and the second region has another portion of the plurality of second collimating walls and does not have the plurality of first collimating walls.

8. The display device according to claim 1 , wherein the display device has a first region, a second region and a third region, the light controlling means comprises a plurality of collimating walls, and an arrangement of a first portion of the plurality of collimating walls in the first region, an arrangement of a second portion of the plurality of collimating walls in the second region and an arrangement of a third portion of the plurality of collimating walls in the third region are different.

9. The display device according to claim 1 , wherein the display device has a first region, a second region and a third region, the collimator comprises a plurality of first collimating walls and a plurality of second collimating walls, the plurality of first collimating walls are arranged in the horizontal direction, and the plurality of second collimating walls are arranged in the vertical direction, and a distance between adjacent two of the plurality of first collimating walls in the first region is greater than a distance between adjacent two of the plurality of first collimating walls in the third region.

10. The display device according to claim 9 , wherein the first region, the second region and the third region are arranged in the horizontal direction.

11. The display device according to claim 1 , which is a center informative display.

12. The display device according to claim 1 , which is an instrument display.

13. The display device according to claim 1 , which is an in-vehicle infotainment display.