Display device
According to one embodiment, a display device includes a first substrate, a second substrate, an adhesive, an electro-optical layer, a terminal portion, and a reflective material. The first substrate is attached to the second substrate with the adhesive. The terminal portion is provided in the first substrate. The reflective material contains in the adhesive. The second substrate has flexibility. The terminal portion is provided on an external side in comparison with the adhesive as seen in plan view.
1. A display device comprising:
a first substrate;
a second substrate facing the first substrate;
an adhesive with which the first substrate is attached to the second substrate;
a liquid crystal layer provided between the first substrate and the second substrate;
a terminal portion provided in the first substrate, and supplied with a signal from an external circuit; and
a reflective material contained in the adhesive, wherein
the second substrate has flexibility and comprises an alignment film which aligns a liquid crystal molecule of the liquid crystal layer,
the terminal portion is provided on an external side in comparison with the adhesive as seen in plan view,
the adhesive comprises a first area which is in contact with the second substrate, and a second area which is not in contact with the second substrate, as seen in plan view,
the second area is provided on an external side in comparison with the first area,
the terminal portion and the second area are exposed from the second substrate, and
the alignment film extends to a boundary between the first area and the second area.
2. The display device of claim 1 , wherein
the adhesive comprises a first adhesive and a second adhesive,
the first adhesive is provided on an external side in comparison with the second adhesive, and
an adhesive force of the first adhesive for the second substrate is less than an adhesive force of the second adhesive for the second substrate.
3. The display device of claim 2 , wherein
the first adhesive contains the reflective material, and
the second adhesive does not contain the reflective material.
4. The display device of claim 2 , wherein
the first adhesive is in contact with the second adhesive.
5. The display device of claim 1 , wherein
the reflective material has a peak greater than or equal to a wavelength reflectance of 50% in a wavelength range of 300 to 600 nm.
6. The display device of claim 1 , wherein
the reflective material is formed in a particle shape and contains a material selected from a group consisting of barium sulfate, aluminum hydroxide, aluminum oxide, calcium hydroxide, calcium oxide, calcium carbonate, cerium oxide and mica.
7. The display device of claim 1 , wherein
the first adhesive comprises a first adhesive and a second adhesive,
the first adhesive is provided on an external side in comparison with the second adhesive,
the first adhesive contains the reflective material and
the second adhesive does not contain the reflective material.
8. The display device of claim 7 , wherein
the first adhesive is in contact with the second adhesive.
9. The display device of claim 1 , wherein
a thickness of the adhesive is less than or equal to a tenth part of a width of the adhesive.
10. A display device comprising:
a first substrate;
a second substrate facing the first substrate;
an adhesive with which the first substrate is attached to the second substrate;
a liquid crystal layer provided between the first substrate and the second substrate;
a terminal portion provided in the first substrate, and supplied with a signal from an external circuit; and
a reflective material contained in the adhesive, wherein
the second substrate comprises a transparent base and comprises an alignment film which aligns a liquid crystal molecule of the liquid crystal layer,
the transparent base has a thickness less than or equal to 50 μm,
the terminal portion is provided on an external side in comparison with the adhesive as seen in plan view,
the adhesive comprises a first area which is in contact with the second substrate, and a second area which is not in contact with the second substrate, as seen in plan view,
the second area is provided on an external side in comparison with the first area,
the terminal portion and the second area are exposed from the second substrate, and
the alignment film extends to a boundary between the first area and the second area.
11. The display device of claim 10 , wherein
the adhesive comprises a first adhesive and a second adhesive,
the first adhesive is provided on an external side in comparison with the second adhesive, and
an adhesive force of the first adhesive for the second substrate is less than an adhesive force of the second adhesive for the second substrate.
12. The display device of claim 11 , wherein
the first adhesive contains the reflective material, and
the second adhesive does not contain the reflective material.
13. The display device of claim 10 , wherein
the adhesive comprises a first adhesive and a second adhesive,
the first adhesive is provided on an external side in comparison with the second adhesive,
the first adhesive contains the reflective material, and
the second adhesive does not contain the reflective material.
14. A display device comprising:
a first substrate;
a second substrate facing the first substrate;
an adhesive with which the first substrate is attached to the second substrate;
a liquid crystal layer provided between the first substrate and the second substrate; and
a terminal portion provided in the first substrate, and supplied with a signal from an external circuit, wherein
the adhesive includes a first adhesive and a second adhesive,
the first adhesive is provided on an external side in comparison with the second adhesive as seen in plan view,
an adhesive force of the first adhesive for the second substrate is less than an adhesive force of the second adhesive for the second substrate,
the second substrate has flexibility or has a thickness less than or equal to 50 μm,
the second substrate comprises an alignment film which aligns a liquid crystal molecule of the liquid crystal layer,
the terminal portion is provided on an external side in comparison with the adhesive as seen in plan view,
the adhesive comprises a first area which is in contact with the second substrate, and a second area which is not in contact with the second substrate, as seen in plan view,
the second area is provided on an external side in comparison with the first area,
the terminal portion and the second area are exposed from the second substrate, and
the alignment film extends to a boundary between the first area and the second area.
15. The display device of claim 14 , wherein
the first substrate comprises end sides, the end sides including a first side and a second side,
the first substrate comprises a non-display area, the non-display area including a first non-display area corresponding to the first side, and a second non-display area corresponding to the second side, and
the second adhesive and the first adhesive are provided in the first non-display area, and the second adhesive is provided in the second non-display area, and the first adhesive is not provided in the second non-display area.
16. The display device of claim 15 , wherein
the first adhesive contains a reflective material.
17. The display device of claim 14 , wherein
the first adhesive contains a reflective material.
18. The display device of claim 14 , wherein
the first adhesive is in contact with the second adhesive.
19. The display device of claim 14 , wherein
a thickness of the adhesive is less than or equal to a tenth part of a width of the adhesive.