There are provided a transparent conductive film, as well as a heater, a touch panel, a solar battery, an organic EL device, a liquid crystal device, and an electronic paper that are provided with the transparent conductive film, the transparent conductive film being capable of easing a decline in optical transmittance when graphene is laminated, and of achieving optical transmittance higher than an upper limit of optical transmittance of a single layer of graphene. The transparent conductive film includes a single-layered conductive graphene sheet. The single-layered conductive graphene sheet includes a first region and a second region, the first region being configured of graphene, and the second region being surrounded by the first region and having optical transmittance that is higher than optical transmittance of the first region.

Various embodiments may relate to an electronic structure, including at least one organic layer, at least one metal growth layer grown onto the organic layer, and at least one metal layer grown on the metal growth layer. The at least one metal growth layer contains germanium. Various embodiments further relate to a method for producing the electronic structure.

Light emitters are two-dimensionally disposed along a main surface of the substrate. The light emitters each include: a first electrode; an organic light-emitting layer; an intermediate layer; a charge transport layer; and a second electrode. Such layers are disposed in the stated order with the first electrode closest to the substrate. The intermediate layer contains a fluoride of an alkali metal or a fluoride of an alkaline earth metal. The charge transport layer contains an organic material doped with an alkali metal or an alkaline earth metal. The light emitters are partitioned from one another by first banks extending in one direction along the main surface of the substrate and second banks extending in a direction intersecting the one direction. Surface portions of the first banks facing the light emitters have greater liquid repellency than surface portions of the second banks facing the light emitters.

Provided is a 4-oxoquinoline compounds of the formula (I) (I) wherein A is selected from diradicals of the formulae (A.1), (A.2), (A.3), (A.4), (A.5) and (A.6), (A.1) (A.2) (A.3) (A.4) (A.5) (A.6) wherein R.sup.1, R.sup.2a, R.sup.2b, R.sup.3, R.sup.3a, if present R.sup.4a, R.sup.4b, R.sup.5a, R.sup.5b, R.sup.6a, R.sup.6b, R.sup.6c, R.sup.6d, R.sup.n1, R.sup.n2, R.sup.n3, R.sup.n4, R.sup.m5, R.sup.m6, R.sup.m7, R.sup.m8, R.sup.7, R.sup.8a, R.sup.9 and R.sup.9a are as defined in the claims and in the description. Also provided is a method for their preparation and their use.

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A touch screen panel may include a liquid crystal, a first transparent electrode and a second transparent electrode provided at both sides of the liquid crystal, and a controller configured to transfer image data to the first transparent electrode and the second transparent electrode in a first mode and sense a touch of a user on at least one of the first transparent electrode and the second transparent electrode in a second mode.

An organic light-emitting display device includes a pixel including a first region to display an image, a second region to transmit external light, and a third region between the first region and the second region. The pixel includes a pixel electrode in the first region, a pixel-defining layer in at least the first region, an auxiliary electrode in at least the third region, and an intermediate layer on the pixel electrode. The pixel-defining layer includes a first opening exposing a portion of the pixel electrode and a second opening corresponding to at least the second region and third region. The pixel electrode is exposed via the first opening, and the intermediate layer includes an organic emission layer. An opposite electrode is on the intermediate layer and contacts the auxiliary electrode in the third region.

A display device according to one aspect of the disclosure includes an electroluminescence element including a light-emitting layer including quantum dots between a cathode and an anode which are paired, and further includes a platelet layer adjacent to the light-emitting layer and including plate-shaped nanoplatelets.

An organic EL device includes: an organic EL layer; and a hygroscopic layer that is disposed above and/or below the organic EL layer, and has a hygroscopic film, a first covering film, and a second covering film, the first covering film covering one of main surfaces of the hygroscopic film, the second covering film covering the other main surface of the hygroscopic film, wherein a relational expression A/B≧0.2 is satisfied, where A denotes hygroscopicity indicating mass of moisture, expressed in g/m.sup.2, that is absorbable by the hygroscopic film per unit of area, and B denotes the number of defects per unit of area, expressed in pieces/mm.sup.2, that is calculated based on the number of defects in each of the first covering film and the second covering film.

An organic light-emitting diode (OLED) element and a display device are provided. The OLED element includes a base substrate and an anode, an organic functional layer and a cathode sequentially stacked on the base substrate. A thermal expansion layer is disposed on at least one of a side of the anode away from the organic functional layer or a side of the cathode away from the organic functional layer and is a transparent thermal expansion layer.

Embodiments of the present disclosure provide a display device and a control method thereof, and a display system. The display device includes a substrate and a pair of sub-pixels disposed on the substrate. The pair of sub-pixels includes a display sub-pixel and an interference sub-pixel, wherein the display sub-pixel and the interference sub-pixel are different in at least one of color or gray scale, wherein the display device has a light outgoing direction intersecting with the substrate; in the light outgoing direction, a projection of the display sub-pixel on a main surface of the substrate at least partially overlaps with a projection of the interference sub-pixel on the main surface of the substrate; and the display sub-pixel and the interference sub-pixel are configured to be capable of respectively emitting light in non-overlapping time periods.