Autostereoscopic display device
View Patent ↗The present invention provides an autostereoscopic display device including: a display device; and a liquid crystal lens cell arranged on the display device, the liquid crystal lens cell including: a first substrate; a second substrate; a liquid crystal layer sandwiched between the first substrate and the second substrate; a first electrode arranged on the first substrate on the side of the liquid crystal layer; and a second electrode arranged on the second substrate on the side of the liquid crystal layer, in which the liquid crystal lens cell has a water-absorption layer arranged on at least one of the first substrate and the second substrate on the side of the liquid crystal layer.
1. An autostereoscopic display device comprising:
a display device; and
a liquid crystal lens cell arranged on the display device, the liquid crystal lens cell including:
a first substrate;
a second substrate;
a liquid crystal layer sandwiched between the first substrate and the second substrate;
a first electrode arranged on the first substrate on the side of the liquid crystal layer; and
a second electrode arranged on the second substrate on the side of the liquid crystal layer,
wherein the liquid crystal lens cell has a water-absorbing layer arranged on at least one of the first substrate and the second substrate on the side of the liquid crystal layer,
wherein 7.5<(d/Th)<100 is satisfied, where the thickness of the liquid crystal layer is d and the thickness of the water-absorption film is Th,
wherein the water-absorption film is arranged between the first substrate and the first electrode.
2. The autostereoscopic display device according to claim 1 , wherein the water-absorption layer is made of acrylic resin or epoxy resin.
3. The autostereoscopic display device according to claim 1 , wherein the first electrode is a comb-like electrode, the second electrode is a plane-like electrode, and 3.5<(Q/d)<7 is satisfied, where the thickness of the liquid crystal layer is d and the pitch of the comb-like electrode is Q.
4. The autostereoscopic display device according to claim 3 , wherein 4.5<(Q/d)<5.5 is satisfied.
5. The autostereoscopic display device according to claim 4 , wherein (Q/d) =5 is satisfied.
6. The autostereoscopic display device according to claim 1 , wherein the first electrode is a comb-like electrode, the second electrode is a plane-like electrode, and 10<(Q/L) is satisfied, where the pitch of the comb-like electrode is Q and the width of the comb-like electrode is L.
7. The autostereoscopic display device according to claim 6 , wherein 15<(Q/L)<20 is satisfied.
8. The autostereoscopic display device according to claim 1 , wherein bead spacers arranged inside the liquid crystal layer are provided, and the number of bead spacers per 1 mm 2 of the liquid crystal layer is 10 or less.
9. A stereoscopic display device comprising:
a display device; and
a liquid crystal lens cell arranged on the display device, the liquid crystal lens cell including:
a first substrate;
a second substrate;
a liquid crystal layer sandwiched between the first substrate and the second substrate;
a first electrode arranged on the first substrate on the side of the liquid crystal layer;
a second electrode arranged on the second substrate on the side of the liquid crystal layer,
wherein a water-absorption film is arranged between the second substrate and the second electrode,
wherein 7.5<(d/Th)<100 is satisfied, where the thickness of the liquid crystal layer is d and the thickness of the water-absorption film is Th.
10. The stereoscopic display device according to claim 9 , wherein the water-absorption film is arranged on the second electrode on the side of the liquid crystal layer.
11. The stereoscopic display device according to claim 9 , wherein 7.5<(d/Th)<100 is satisfied, where the thickness of the liquid crystal layer is d and the thickness of the water-absorption film is Th.
12. The stereoscopic display device according to claim 9 , wherein the first electrode is a comb-like electrode, the second electrode is a plane-like electrode, and 3.5<(Q/d)<7 is satisfied, wherein the thickness of the liquid crystal layer is d and the pitch of the comb-like electrode is Q.
13. The stereoscopic display device according to claim 12 , wherein 4.5<(Q/d)<5.5 is satisfied.
14. The stereoscopic display device according to claim 9 , wherein the first electrode is a comb-like electrode, the second electrode is a plane-like electrode, and 10<(Q/L) is satisfied, where the pitch of the comb-like electrode is Q and the width of the comb-like electrode is L.
15. The stereoscopic display device according to claim 14 , wherein 15<(Q/L)<20 is satisfied.
16. The stereoscopic display device according to claim 9 , wherein bead spacers arranged inside the liquid crystal layer are provided and the number of bead spacers per 1 mm 2 of the liquid crystal layer is 10 or less.
17. A stereoscopic display device comprising:
a display device; and
a liquid crystal lens cell arranged on the display device, the liquid crystal lens cell including:
a first substrate;
a second substrate;
a liquid crystal layer sandwiched between the first substrate and the second substrate;
a first electrode arranged on the first substrate on the side of the liquid crystal layer; and
a second electrode arranged on the second substrate on the side of the liquid crystal layer,
wherein a first water-absorption film is arranged between the first substrate and the first electrode,
wherein a second water-absorption film is arranged between the second substrate and the second electrode,
wherein 7.5<(d/Th)<100 is satisfied, where the thickness of the liquid crystal layer is d and the thickness of each of the first water-absorption film and the second water-absorption film is Th.
18. The stereoscopic display device according to claim 17 , wherein bead spacers arranged inside the liquid crystal layer are provided, and the number of bead spacers per 1 mm 2 of the liquid crystal layer is 10 or less.