Electro-optical device and electronic equipment
View Patent ↗An electro-optical devices includes: a first substrate; a second substrate having one surface opposite to the first substrate; a support member configured to hold the first and second substrates with the second substrate located outside the first substrate, and to include a frame portion surrounding the first and second substrates; a first conductive film formed on the other surface of the second substrate; and a conductor layer placed between the frame portion and the first and second substrates, and electrically connected to the first conductive film. The first conductive film is held at a constant potential via the conductor layer.
1. An electro-optical device comprising:
an illumination unit that includes a light guide plate and a light source;
a panel that includes
a first substrate facing the illumination unit,
a second substrate facing the first substrate,
an electro-optical material provided between the first substrate and the second substrate, and
a sealing member configured to seal the electro-optical material and that is provided between the first substrate and the second substrate, the sealing member having a shape of a frame and having an inner side surface facing the electro-optical material;
a support member that includes a frame portion and a step portion, the frame portion surrounding the panel and the illumination unit, the step portion being formed on an inner side of the frame portion and having an upper surface for holding the first substrate;
an upper polarizing plate provided on a surface of the second substrate opposite to a surface facing the first substrate; and
a tape provided along an outer edge portion of the first substrate and between the first substrate and the step portion, the tape having an inner edge and an outer edge that is opposite to the inner edge and faces the frame portion of the support member, the tape having a first surface facing the first substrate, the tape having a second surface bonded to the upper surface of the step portion,
wherein the inner edge of the tape is outside the inner side surface of the sealing member in a planar view and flush with an inner edge of the step portion.
2. The electro-optical device according to claim 1 , wherein
the illumination unit includes an optical sheet overlapping the light guide plate, and
the panel is provided on a side of the optical sheet of the illumination unit.
3. The electro-optical device according to claim 2 , further comprising a light-shielding sheet that includes:
a first area contacting an end of the light guide plate; and
a second area stacked between an end portion of the optical sheet and the panel.
4. The electro-optical device according to claim 2 , wherein
the outer edge portion of the first substrate extends outside an outer edge of the optical sheet and an outer edge of the light guide plate,
the upper surface of the step portion holds the outer edge portion of the first substrate, and
the first surface of the tape is bonded to the outer edge portion of the first substrate.
5. The electro-optical device according to claim 2 , further comprising a lower polarizing plate between the optical sheet and the first substrate,
wherein the tape is formed outside an outer edge of the lower polarizing plate.
6. An electro-optical device comprising:
a panel that includes
a first substrate,
a second substrate facing the first substrate,
an electro-optical element provided between the first substrate and the second substrate, and
a sealing region in which the electro-optical element is sealed, the sealing region having an inner edge facing the electro-optical element;
a support member that includes a frame portion and a step portion, the frame portion surrounding the panel, the step portion being formed on an inner side of the frame portion and having an upper surface for holding the first substrate; and
a tape provided along an outer edge portion of the first substrate and between the first substrate and the step portion, the tape having an inner edge and an outer edge that is opposite to the inner edge and faces the frame portion of the support member, the tape having a first surface facing the first substrate, the tape having a second surface bonded to the upper surface of the step portion,
wherein the inner edge of the tape is outside the inner edge of the sealing region in a planar view and flush with an inner edge of the step portion.
7. The electro-optical device according to claim 6 , further comprising an upper polarizing plate provided on a surface of the second substrate opposite to a surface facing the first substrate.