Autostereoscopic display device
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. A liquid crystal lens cell comprising:
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-absorption film 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, and
wherein the water-absorption film is arranged between the first substrate and the first electrode.
2. The liquid crystal lens cell according to claim 1 ,
wherein the water-absorption film is made of acrylic resin or epoxy resin.
3. The liquid crystal lens cell 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 liquid crystal lens cell according to claim 3 ,
wherein 4.5<(Q/d)<5.5 is satisfied.
5. The liquid crystal lens cell according to claim 4 ,
wherein (Q/d)=5 is satisfied.
6. The liquid crystal lens cell 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 liquid crystal lens cell according to claim 6 ,
wherein 15<(Q/L)<20 is satisfied.
8. The liquid crystal lens cell 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 liquid crystal lens cell comprising:
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 water-absorption film is arranged between the second substrate and the second electrode, and
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 liquid crystal lens cell 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 liquid crystal lens cell 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 liquid crystal lens cell 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, where the thickness of the liquid crystal layer is d and the pitch of the comb-like electrode is Q.
13. The liquid crystal lens cell according to claim 12 ,
wherein 4.5<(Q/d)<5.5 is satisfied.
14. The liquid crystal lens cell 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 liquid crystal lens cell according to claim 14 ,
wherein 15<(Q/L)<20 is satisfied.
16. The liquid crystal lens cell 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 liquid crystal lens cell comprising:
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, and
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 liquid crystal lens cell 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.