Display device and lenticular sheet of the display device
View Patent ↗A display device includes a display panel on which a plurality of pixels are arranged in a matrix in a first direction and in a second direction intersecting the first direction, and a lenticular sheet which is disposed above the display panel and includes a plurality of polygonal prism lenses that are arranged in the second direction. Each of the polygonal prism lenses extends in a third direction intersecting the second direction, and includes a plurality of flat surfaces or curved surfaces.
1. A display device comprising:
a display panel comprising a plurality of pixels arranged in a matrix in a first direction and in a second direction intersecting the first direction; and
a lenticular sheet which is disposed above the display panel, and includes a plurality of polygonal prism lenses arranged in the second direction,
wherein
each of the polygonal prism lenses longitudinally extends in a third direction intersecting the second direction, and includes a plurality of flat surfaces or curved surfaces,
a width of the flat surfaces is constant, and a radius of curvature of the curved surfaces is constant, and
normal lines of the flat surfaces converge into a center of rotation of the curved surfaces.
2. The display device of claim 1 , wherein a ratio of the flat surfaces to an entire surface of each of the polygonal prism lenses is equal to or larger than about 90%.
3. The display device of claim 1 , wherein the ratio of the flat surfaces to an entire surface of each of the polygonal prism lenses is equal to or larger than about 98%.
4. The display device of claim 1 , wherein the third direction is parallel to the first direction.
5. The display device of claim 1 , wherein the third direction is parallel to a diagonal direction of the pixels.
6. The display device of claim 1 , wherein
adjacent pixels in the first direction represent the same color, and
adjacent pixels in the second direction represent different colors.
7. The display device of claim 1 , wherein each of the polygonal prism lenses has a symmetrical structure with respect to a center thereof, in the second direction.
8. A display device comprising:
a display panel comprising a plurality of pixels are arranged in a matrix in a first direction and in a second direction intersecting the first direction; and
a lenticular sheet which is disposed above the display panel, and includes a plurality of polygonal prism lenses arranged in the second direction,
wherein
each of the polygonal prism lenses longitudinally extends in a third direction intersecting the second direction, and the third direction is parallel to a diagonal direction of the pixels,
a width of the flat surfaces is constant and a radius of curvature of the curved surfaces is constant, and
normal lines of the flat surfaces converge into a center of rotation of the curved surfaces.
9. The display device of claim 8 , wherein
each of the polygonal prism lenses includes a plurality of flat surfaces or curved surfaces, and
a ratio of the flat surfaces to an entire surface of each of the polygonal prism lenses is equal to or larger than about 90%.
10. The display device of claim 9 , wherein the ratio of the flat surfaces to an entire surface of each of the polygonal prism lenses is equal to or larger than about 98%.
11. The display device of claim 8 , wherein
adjacent pixels in the first direction represent the same color, and
adjacent pixels in the second direction represent different colors.
12. The display device of claim 8 , wherein each of the polygonal prism lenses has a symmetrical structure with respect to a center thereof, in the second direction.
13. A lenticular sheet comprising:
a base comprising an upper surface; and
a polygonal prism lens which is protruded from the upper surface of the base and is elongated in a specific direction,
wherein the protruded polygonal prism lens includes a plurality of alternating flat surfaces and curved surfaces each inclined with respect to the upper surface of the base in a cross-section of the protruded polygonal prism lens, elongated in the specific direction.
14. The lenticular sheet of claim 13 , wherein a ratio of the flat surfaces to an entire surface of the polygonal prism lens is equal to or larger than about 90%.
15. The lenticular sheet of claim 14 , wherein the ratio of the flat surfaces to an entire surface of the polygonal prism lens is equal to or larger than about 98%.
16. A lenticular sheet comprising:
a base; and
a polygonal prism lens which is disposed on the base and extends elongated in a specific direction,
wherein an extending direction of the polygonal prism lens is respectively parallel to diagonals of pixels of a display panel arranged under the lenticular sheet.
17. The lenticular sheet of claim 16 , wherein
the polygonal prism lens includes a plurality of flat surfaces and curved surfaces extending in the specific direction, and
a ratio of the flat surfaces to an entire surface of the polygonal prism lens is equal to or larger than about 90%.
18. The lenticular sheet of claim 17 , wherein the ratio of the flat surfaces to an entire surface of the polygonal prism lens is equal to or larger than about 98%.
19. The lenticular sheet of claim 13 , wherein normal lines of the flat surfaces converge into a center of rotation of the curved surfaces.
20. The lenticular sheet of claim 17 , wherein normal lines of the flat surfaces converge into a center of rotation of the curved surfaces.