Abstract: A lighting device includes a light emitting module and an optical element including first and second liquid crystal cells. Each of the first and second liquid crystal cells includes first and second transparent electrodes extending in a first direction and third and fourth transparent electrodes extending in a second direction. The light emitting module includes a light source, a light guide plate including an end surface into which light emitted from the light source is incident and a first surface from which the light incident into the end surface is emitted, and a prism sheet disposed opposite to the first surface. The second substrate of the first liquid crystal cell and the first substrate of the second liquid crystal cell are adjacent to each other. The first surface includes a plurality of first grooves extending in a third direction intersecting the first direction and the second direction.

Abstract: A lighting device includes a light source having a first optical element and a second optical element emitting directional light, and one liquid crystal optical element transmitting or diffusing the light emitted from the light source. The first and the second optical elements include a first and a second light exit surfaces, and the first and the second light exit surfaces are arranged to direct in different directions. The liquid crystal optical element has a second electrode group arranged adjacent to a first electrode group. The first electrode group has a first transparent electrode and a second transparent electrode. The second electrode group has a third transparent electrode and a fourth transparent electrode. A pitch at which the first transparent electrodes and the second transparent electrodes are alternately arranged is different from a pitch at which the third transparent electrodes and the fourth transparent electrodes are alternately arranged.

Abstract: According to one embodiment, a light control device includes a first liquid crystal cell including a first liquid crystal layer, a second liquid crystal cell including a second liquid crystal layer, and a polarization conversion element. The first liquid crystal layer and the second liquid crystal layer each includes a first region which scatters a first polarized component and transmits a second polarized component and a second region which transmits the first polarized component and scatters the second polarized component. The polarization conversion element overlaps the first region and the second region, converts the first polarized component into the second polarized component, and converts the second polarized component into the first polarized component.

Abstract: According to one embodiment, a display device includes a first substrate including a light-shielding layer and a conductive line having a first side surface and a second side surface on a side opposite to the first side surface, a second substrate opposed to the first substrate, a polymer dispersed liquid crystal layer held between the first substrate and the second substrate, and including a polymer and liquid crystal molecules, and a light-emitting element opposed to an end portion of at least one of the first substrate and the second substrate, wherein the first side surface is closer to the light-emitting element than the second side surface, and the light-shielding layer covers at least the first side surface of the conductive line.

Abstract: According to one embodiment, a light control device includes a first substrate including a plurality of first control electrodes disposed in an effective area, and a plurality of feed lines disposed in a peripheral area, a second substrate, and a first liquid crystal layer. The first control electrodes are transparent electrodes. Each of the first control electrodes includes, in the effective area, first segments crossing a first direction at a first angle, second segments crossing the first direction at a second angle, and third segments crossing the first direction at a third angle. The first control electrode is electrically connected to the feed line. The first to third angles are different from each other.

Abstract: According to one embodiment, a light control device includes a first liquid crystal cell, a second liquid crystal cell, and a polarization conversion element disposed between the first liquid crystal cell and the second liquid crystal cell. One substrate of each of the first liquid crystal cell and the second liquid crystal cell includes an insulating substrate, and first to fourth electrodes arranged on the insulating substrate and formed in a strip shape. The electric potential difference between the first electrode and the second electrode, the electric potential difference between the second electrode and the third electrode, and the electric potential difference between the third electrode and the fourth electrode are different from each other.

Abstract: Disclosed is a lighting device including a light source, a first liquid crystal cell over the light source, and a second liquid crystal cell over the first liquid crystal cell. The light source includes light-emitting elements arranged in a matrix shape with m rows and n columns. The first and second liquid crystal cells each include: a first substrate; first electrode groups located over the first substrate and arranged in a matrix shape with m rows and n columns; a liquid crystal layer over the first electrode groups; and a second substrate over the liquid crystal layer. In each of the first and the second liquid crystal cells, the first electrode groups each have first electrodes extending in a row direction, and the light-emitting elements in a jth row and a kth column overlaps the first electrode group located in the jth row and the kth column.

Abstract: An optical device comprises a first liquid crystal cell, a second liquid crystal cell overlapped with the first liquid crystal cell. Each of the first liquid crystal cell and the second liquid crystal cell includes a first substrate arranged with a first electrode extending in a direction inclined at a predetermined angle with respect to a first direction, a second substrate arranged with a second electrode extending in a direction inclined at a predetermined angle with respect to a second direction, and a liquid crystal layer. An extension direction of the first electrode and an that of the second electrode intersect each other without being perpendicular. The extension directions of the first electrode and the second electrode in the first liquid crystal cell and that of the first electrode and the second electrode in the second liquid crystal cell are different from each other.

Abstract: According to one embodiment, a light control device includes a first liquid crystal cell, a second liquid crystal cell, and a polarization conversion element disposed between the first liquid crystal cell and the second liquid crystal cell. One substrate of each of the first liquid crystal cell and the second liquid crystal cell includes an insulating substrate, and first to fourth electrodes arranged on the insulating substrate and formed in a strip shape. The electric potential difference between the first electrode and the second electrode, the electric potential difference between the second electrode and the third electrode, and the electric potential difference between the third electrode and the fourth electrode are different from each other.

Abstract: Disclosed is an illumination device including a light source, a first liquid crystal cell over the light source, and a second liquid crystal cell over the first liquid crystal cell. Each of the first liquid crystal cell and the second liquid crystal cell includes a first substrate, a plurality of first lower electrodes and a plurality of second lower electrodes driven independently, a first liquid crystal layer, and a second substrate. The first substrate has a first region and a second region. The plurality of first lower electrodes is located over the first region and extends in a column direction. The plurality of second lower electrodes is located over the second region and extends in the column direction. The first liquid crystal layer is located over the plurality of first lower electrodes and the plurality of second lower electrodes. The second substrate is located over the first liquid crystal layer.

Abstract: A liquid crystal light control device in an embodiment according to the present invention includes a first liquid crystal cell, and a second liquid crystal cell overlapping the first liquid crystal cell. Each of the first liquid crystal cell and the second liquid crystal cell includes a first substrate arranged with a first electrode having a strip pattern, a second substrate arranged with a second electrode having a strip pattern, and a liquid crystal layer between the first substrate and the second substrate. A longitudinal direction of the strip pattern of the first electrode and a longitudinal direction of the strip pattern of the second electrode are arranged to intersect at an angle in the range of 45 degrees±10 degrees.

Abstract: A liquid crystal light control device includes a first liquid crystal cell, a second liquid crystal cell overlapping the first liquid crystal cell, a third liquid crystal cell overlapping the second liquid crystal cell, and a fourth liquid crystal cell overlapping the third liquid crystal cell. Each of the first, second, third, and the fourth liquid crystal cells includes, a first substrate including a first alignment film, a second substrate including an electrode having a strip pattern and a second alignment film, and a liquid crystal layer between the first substrate and the second substrate. An alignment direction of the first alignment film and an alignment direction of the second alignment film are aligned to intersect each other. A longitudinal direction of the strip pattern of the electrode having the strip pattern is arranged to intersect an alignment direction of the second alignment film.

Abstract: An optical element includes a first liquid crystal cell and a second liquid crystal cell. The first liquid crystal cell and the second liquid crystal cell are stacked. Each of the first liquid crystal cell and the second liquid crystal cell includes a first substrate on which a first transparent electrode and a second transparent electrode are alternately and repeatedly arranged in a first direction, a second substrate on which a third transparent electrode and a fourth transparent electrode are alternately and repeatedly arranged in a second direction intersecting the first direction, and a liquid crystal layer between the first substrate and the second substrate. The second substrate of the first liquid crystal cell and the first substrate of the second liquid crystal cell are adjacent to each other.

Abstract: A liquid crystal light control device in an embodiment according to the present invention includes a first liquid crystal cell, a second liquid crystal cell overlapping the first liquid crystal cell, a third liquid crystal cell overlapping the second liquid crystal cell, and a fourth liquid crystal cell overlapping the third liquid crystal, each of the first liquid crystal cell, the second liquid crystal cell, the third liquid crystal cell, and the fourth liquid crystal cell includes a first substrate arranged with a first electrode having a strip pattern, a second substrate arranged with a second electrode having a strip pattern, and a liquid crystal layer between the first substrate and the second substrate. The first substrate and the second substrate are arranged with a longitudinal direction of the strip pattern of the first electrode and second electrode intersecting.

Abstract: An optical element includes at least two liquid crystal cells. The at least two liquid crystal cells include a first substrate on which a first transparent electrode and a second transparent electrode are alternately and repeatedly arranged in a first direction, a second substrate on which a third transparent electrode and a fourth transparent electrode are alternately and repeatedly arranged in a second direction intersecting the first direction, and a liquid crystal layer between the first substrate and the second substrate. The second transparent electrode comprises a first bent portion bent in the first direction. The fourth transparent electrode comprises a second bent portion bent in the second direction.

Abstract: According to one embodiment, an optical control device includes a first liquid crystal cell and a second liquid crystal cell. The second liquid crystal cell is stacked on the first liquid crystal cell. The first liquid crystal cell has a function of modulating and converting a first polarization component of incident light into a second polarization component, and hardly modulating and converting a third polarization component of incident light into a fourth polarization component. The second liquid crystal cell has a function of hardly modulating the second polarization component transmitted through the first liquid crystal cell, and modulating the fourth polarization component transmitted through the first liquid crystal cell.

Abstract: According to one embodiment, a light control device comprises a first liquid crystal cell includes a first liquid crystal layer, a second liquid crystal cell includes a second liquid crystal layer, and a third liquid crystal cell includes a third liquid crystal layer. The first liquid crystal layer and the third liquid crystal layer each have a first region that scatters a first polarization component and that transmits a second polarization component. The second liquid crystal layer has a third region that overlaps the first region and converts the second polarization component into the first polarization component.

Abstract: According to one embodiment, a light control device includes a first liquid crystal cell, a second liquid crystal cell and a polarized light conversion element disposed between the first liquid crystal cell and the second liquid crystal cell. One substrate of an pair of substrates of each of the first liquid crystal cell and the second liquid crystal cell includes an insulating substrate, a plurality of first electrodes arranged along one direction on the insulating substrate and formed in a strip shape, a first inorganic insulating film covering the first electrodes and a plurality of second electrodes intersecting the first electrodes on the first inorganic insulating film and formed in a strip shape.

Abstract: According to one embodiment, a light control device includes a first liquid crystal cell including a first liquid crystal layer, a second liquid crystal cell including a second liquid crystal layer, and a polarization conversion element. The first liquid crystal layer and the second liquid crystal layer each includes a first region which scatters a first polarized component and transmits a second polarized component and a second region which transmits the first polarized component and scatters the second polarized component. The polarization conversion element overlaps the first region and the second region, converts the first polarized component into the second polarized component, and converts the second polarized component into the first polarized component.

Abstract: According to an aspect, an optical element includes: a first substrate including a first electrode; a second substrate stacked on the first substrate and including a second electrode; a liquid crystal layer provided between the first substrate and the second substrate; a sealing member extending along an outer periphery of the liquid crystal layer; a first spacer provided on an inner side of the sealing member; and a conductive column provided on an outer side of the sealing member and electrically connecting the first electrode and the second electrode. The conductive column and the first spacer include the same material.