Japan Display Inc.

Shunpei Takeuchi

Hiroya Morimoto

Yukiya Hirabayashi

Osamu Kobayashi

Koichi Nagao

Takeo Koito

Takahiro Ochiai

Akio Ota

Manabu Mizuno

Osamu Kai

Kohei Yamaguchi

Takaya Hirose

Katsuichi Ide

A light adjustment device includes a panel unit including a plurality of light adjustment panels stacked in a first direction. The light adjustment panels each include a first substrate, a second substrate overlapping the first substrate in a first direction, a first alignment film provided on the first substrate, a second alignment film provided on the second substrate and overlapping the first alignment film in the first direction, a liquid crystal layer filling a gap between the first alignment film and the second alignment film, a seal material provided between the first substrate and the second substrate and on the outer side of the first alignment film and the second alignment film, and a conductive member providing conduction between a first electrode provided on the first substrate and a second electrode provided on the second substrate.

Light adjustment device

An electrooptical device includes a first substrate, a first electrode disposed on the first substrate, a second substrate facing the first substrate, a second electrode disposed on the second substrate, and a liquid crystal layer positioned between the first substrate and the second substrate. The first substrate includes a first terminal, a second terminal, a first conductive portion electrically coupled to the first terminal, and a second conductive portion electrically coupled to the second terminal, the second substrate includes a third conductive portion electrically coupled to the second electrode, and a fourth conductive portion electrically coupled to the third conductive portion, and the electrooptical device further includes a first coupling member electrically coupling the first conductive portion and the third conductive portion, and a second coupling member electrically coupling the second conductive portion and the fourth conductive portion.

Electrooptical device and illumination device

A light adjustment device includes a panel unit having a rectangular pillar shape and including a plurality of light adjustment panels stacked in a first direction, each light adjustment panel having a polygonal shape and including a lower substrate and an upper substrate overlapping the lower substrate. The light adjustment panels each have a first side, a second side adjacent to the first side, and a first corner at which the first side intersects the second side, and when two light adjustment panels adjacent to each other in a first direction among the light adjustment panels are viewed in the first direction, the first corner of one of the light adjustment panels is positioned inside of an edge of the other light adjustment panel, and the first corner of the other light adjustment panel is positioned inside of an edge of the one light adjustment panel.

Light adjustment device and light adjustment device manufacturing method

A light adjustment device includes a plurality of liquid crystal cells each including a light adjustment region that polarizes light emitted from a light source, the liquid crystal cells being stacked in a direction in which the light is emitted. The liquid crystal cells each include a first substrate in which a plurality of first metal wires are provided, and a second substrate in which a plurality of second metal wires are provided and that sandwiches a liquid crystal layer with the first substrate.

A circuit substrate includes, on an insulating substrate, a plurality of devices, a plurality of conductive layers connected in one-to-one correspondence with the devices, and an insulating layer provided between the devices and the conductive layers. The insulating layer includes a first insulating layer covering the devices, a second insulating layer formed on the first insulating layer, and a plurality of contact holes each passing through the first and second insulating layers in a thickness direction thereof. Side surfaces of the first and second insulating layers contact each other in at least part of the inside of each contact hole. Each conductive layer extends along an upper surface of the second insulating layer, at least a part of a side surface of the contact hole in which the side surfaces of the first and second insulating layers contact each other, and a bottom surface of the contact hole.

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Tottori, Japan

Shunpei Takeuchi