Abstract: The purpose of the present invention is to realize a lighting device which can be switched between an overall lighting and a local lighting with a single lighting device. The concrete structure is a lighting device including: a first light guide having a first major surface and a first back surface, and a first hole; a second light guide, disposed on the first light guide, and having a second major surface, a second back surface, and a second hole; a reflection sheet disposed under the first back surface of the first light guide; a liquid crystal lens disposed above the second major surface of the second light guide, in which first LEDs and second LEDs are disposed circumferentially along a side wall of the first hole and a side wall of the second hole, respectively, and the first LEDs and the second LEDs are displaced each other in azimuth direction.

Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.

Abstract: A display device includes a first transistor provided with an oxide semiconductor layer, a first gate wiring facing the oxide semiconductor layer and a first gate insulating layer between the oxide semiconductor layer and the first gate wiring, a first transparent conductive layer provided on at least a first insulating layer on the first transistor, the first transparent conductive layer having an area overlapping the gate wiring and being in contact with the oxide semiconductor layer in a first contact area not overlapping the gate wiring, a second transparent conductive layer provided above at least a second insulating layer on the first transparent conductive layer and being in contact with the first transparent conductive layer at a second contact area overlapping the gate wiring, and a third transparent conductive layer provided between the second transparent conductive layer and the second insulating layer.

Abstract: A display device with touch detection function includes a display unit having a first and a second data lines, a first region outside the display unit, a second region on an opposite side of the first region sandwiching the display unit with the first region, a sensor unit including a sensor electrode, a first data signal supply line connected to the first data line and arranged in the first region, a second data signal supply line connected to the second data line and arranged in the second region, a dummy wiring arranged in the first region and not connected to the sensor electrode, and a sensor wiring arranged in the second region and connected to the sensor electrode. A line length of the dummy wiring in the first region is substantially same as a line length of the sensor wiring in the second region.

Abstract: According to an aspect, a display device includes: a display panel; and a parallax formation panel disposed between the display panel and a viewpoint. The parallax formation panel includes first electrodes and second electrodes, the first electrodes being provided to be able to form light transmitting regions in accordance with positions of a plurality of predetermined viewpoints, the second electrodes being provided to be able to form light shielding regions that shield regions other than the light transmitting regions from light. A width of each first electrode in a first direction in which the plurality of viewpoints are arranged is longer than a length of each first electrode in a second direction orthogonal to the first direction and extending along a display surface of the display panel.

Abstract: According to one embodiment, a display device includes a substrate, an insulating layer, a first electrode layer, a rib including an opening which overlaps the first electrode, and a trench which does not overlap the first electrode, an organic layer which includes a light emitting layer and covers the first electrode and the rib, a filling member in the trench, and a second electrode covering the organic layer, the rib and the filling member. The organic layer includes a first portion covering the first electrode, a second portion covering a portion of the rib between the opening and the trench, and a third portion located in the trench and apart from the second portion.

Abstract: According to one embodiment, a display device includes a switching element, a first insulating layer including a first contact hole penetrating to the switching element, a conductive material filled in the first contact hole, a lower electrode arranged above the first insulating layer and being in contact with the conductive material, an organic layer stacked on the lower electrode, and including a hole injection layer on the lower electrode, a hole transport layer on the hole injection layer, and a light emitting layer on the hole transport layer, an upper electrode stacked on the organic layer, and a coating layer covering an end surface of each of the lower electrode, the hole injection layer, and the hole transport layer.

Abstract: The purpose of the invention is to realize a flexible electronic device of high reliability. The present invention takes a following structure to realize the purpose. An electronic device including: a plurality of element areas, arrayed in a first direction with a first distance, and arrayed in a second direction with a second distance, the plurality of element areas being connected with each other in the first direction by a first organic insulating film, which meanderingly extends in the first direction, graphene being formed on a surface of the first organic insulating film to form a first wiring, the plurality of element areas being connected with each other in the second direction by a second organic insulating film, which meanderingly extends in the second direction, graphene being formed on a surface of the second organic insulating film to form a second wiring.

Abstract: According to one embodiment, a manufacturing method of a display device includes preparing a processing substrate, forming an organic layer, and forming an etching stopper layer on the organic layer. The forming the etching stopper layer includes carrying the processing substrate into a chamber, inside the chamber, emitting a material for forming the etching stopper layer from an evaporation source which inclines with respect to a normal of the processing substrate, and conveying the processing substrate while rotating the processing substrate in a plane orthogonal to the normal, and depositing the material emitted from the evaporation source on the processing substrate.

Abstract: According to one embodiment, a liquid crystal optical element comprises a transparent substrate comprising a first main surface and a second main surface opposed to the first main surface, an alignment film disposed on the second main surface, and a liquid crystal layer overlapping the alignment film and comprising a cholesteric liquid crystal and an additive exhibiting a liquid crystalline property. Refractive anisotropy of the additive is greater than refractive anisotropy of the liquid crystal layer.

Abstract: According to one embodiment, a display device includes a substrate, a first lower electrode and a second lower electrode arranged on the substrate, a first organic layer including a light emitting layer and arranged on the first lower electrode, a second organic layer including a light emitting layer and arranged on the second lower electrode, a first upper electrode arranged on the first organic layer, a second upper electrode arranged on the second organic layer and separated from the first upper electrode, and a reflective layer arranged between the first upper electrode and the second upper electrode.

Abstract: A method for manufacturing a gallium nitride film includes the steps of placing a substrate so as to face a target containing nitrogen and gallium in a vacuum chamber, supplying a sputtering gas into the vacuum chamber, supplying a nitrogen radical into the vacuum chamber, generating a plasma of the sputtering gas by application of a voltage to the target, generating a gallium ion by a collision of an ion of the sputtering gas with the target, and stopping the application of the voltage to the target and depositing gallium nitride on the substrate. The gallium nitride is generated by a reaction of the gallium ion with a nitrogen anion which is generated by a reaction of an electron in the vacuum chamber with the nitrogen radical.

Abstract: According to one embodiment, a liquid crystal optical element includes a transparent substrate including a main surface, an alignment film disposed on the main surface, and a liquid crystal layer overlapping the alignment film and including a cholesteric liquid crystal including liquid crystal molecules stacked helically and an additive exhibiting a liquid crystalline property. In the liquid crystal layer, a reflective surface along which alignment directions of the liquid crystal molecules are identical is inclined with respect to the main surface.

Abstract: According to one embodiment, an illumination device includes first and second light guides, first and second light sources, and first and second layers. The first light guide includes first and second main surfaces and first and second side surfaces. The second light guide includes third and fourth main surfaces and third and fourth side surfaces. The first light sources face a second side surface. The second light sources face the third side surface. The first layer includes first prisms in the second main surface. The second layer includes second prisms in the fourth main surface. The second and fourth side surfaces are displaced from each other in a first direction.

Abstract: A display device includes a circuit substrate comprising a first electrode pad and an LED chip comprising a first electrode bump that is electrically connected to the first electrode pad, and at least emitting light in a direction of the circuit substrate. The first electrode pad comprises a first light transmission region that transmits light emitted from the LED chip.

Abstract: According to one embodiment, a display device includes a semiconductor layer, a first insulating layer, a gate electrode, a second insulating layer, a third insulating layer, a color filter, and transparent conductive layers including a pixel electrode, a first conductive layer, and a second conductive layer. The first conductive layer is located between the second insulating layer and the third insulating layer, and is in contact with a second area of the semiconductor layer. The second conductive layer is located on the color filter and is in contact with the first conductive layer. The pixel electrode is located on the second conductive layer and is in contact with the second conductive layer.

Abstract: An OLED display panel is provided which can control the problem of shedding even in high definition panels. Metal wiring 5 which conducts with an earth line of a flexible printed substrate 15 is provided on a substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal films 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2. Among these, one low resistance metal film 3 conducts with the metal wiring 5 via a contact 3a.

Abstract: According to one embodiment, a display device includes a display area, a peripheral area, a pixel electrode disposed, a switching element, a scanning line, a signal line, a metal layer which overlaps at least one of the signal line and the scanning line, an antireflection layer which covers the metal layer, a common electrode which covers the antireflection layer and a power supply line disposed in the peripheral area, to which a common voltage is supplied. The common electrode and the metal layer are connected to the power supply line in the peripheral area.

Abstract: According to one embodiment, a display device includes a first insulating substrate including a first substrate end, a second insulating substrate including an outer surface and a second substrate end, an electrode located between the first substrate end and the second substrate end, and a transparent conductive layer disposed on a side on which the outer surface is located. The outer surface includes a flat portion and a sloping portion. A thickness on a side on which the second substrate end is located is less than a thickness on a side on which the flat portion is located. The transparent conductive layer overlaps the sloping portion and is electrically connected to the electrode.

Abstract: An object of the present invention is to provide a technology using which, in a thin film transistor using oxide semiconductor, the resistance of a channel region of the oxide semiconductor is made high, and at the same time the resistances of a source region and a drain region of the oxide semiconductor are made low. There is provided a semiconductor device including: a thin film transistor including oxide semiconductor, the oxide semiconductor including a channel region, a drain region, and a source region; a gate insulating film formed on the channel region; an aluminum oxide film formed on the gate insulating film; and a gate electrode formed on the aluminum oxide film, wherein the aluminum oxide film has a region that covers neither the drain region nor the source region in a plane view.