Abstract: Provided is a novel chalcogen-containing organic semiconductor compound having excellent carrier mobility. The compound is represented by Formula (1a) or (1b): [Chem. 1] where in Formulas (1a) and (1b), X represents S, O, or Se, and R1 each independently represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an aralkyl group, a pyridyl group, a furyl group, a thienyl group, or a thiazolyl group.

Abstract: Provided is a novel chalcogen-containing organic semiconductor compound having excellent carrier mobility. The compound is represented by Formula (1a) or (1b): [Chem. 1] where in Formulas (1a) and (1b), X represents S, O, or Se, and R1 each independently represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an aralkyl group, a pyridyl group, a furyl group, a thienyl group, or a thiazolyl group.

Abstract: An active matrix LED display formed on a substrate material having flexibility is provided. The display includes a pixel forming unit having at least one pixel driving circuit and at least one inorganic LED element electrically connected with the pixel driving circuit. The pixel driving circuit is formed of at least one thin film transistor, and the thin film transistor is an organic thin film transistor.

Abstract: The objective is to achieve an organic thin film transistor group that can be manufactured more easily and at a lower cost. Provided is a thin film active element group comprising a drive active element having a semiconductor channel layer formed in a channel region between a source electrode and a drain electrode; and a switch active element having a semiconductor channel layer formed in a channel region between a source electrode and a drain electrode, the switch active element switching the drive active element. The drive active element and the switch active element are formed to be separated from each other in a direction of a channel width such that a straight line associated with the channel region of the drive active element and a straight line associated with the channel region of the switch active element are parallel to each other.

Abstract: In a method for manufacturing a semiconductor device comprising an n-type transistor (Q1) that has a source electrode (4ns), a drain electrode (4d), an oxide semiconductor film (5), and a gate electrode (2), and that is formed on a substrate (1), and a p-type transistor (Q2) that has a source electrode (4ps), a drain electrode, an organic semiconductor film (7), and a gate electrode, and that is formed on the substrate, the gate electrode is formed on the substrate, the source electrode and the drain electrode are formed, the oxide semiconductor film is formed of an oxide semiconductor material; and the gate electrode is formed on the substrate, the source electrode and the drain electrode are formed, and the organic semiconductor film is formed of an organic semiconductor material.

Abstract: A display device comprises: a wiring layer (2) connected to a power source and formed between a substrate (1) and semiconductor elements (21, 22) and between the substrate (1) and an organic EL element (24) such that a region in which the organic EL element (24) is disposed is within the wiring layer (2) as viewed in the thickness direction of the substrate; an interlayer insulating film (3) disposed between the wiring layer and the semiconductor elements (21, 22) and between the wiring layer and the organic EL element, the interlayer insulating film comprising a contact hole (4a) formed therein; and a contact hole wiring (4) that is formed in the contact hole and electrically connects the wiring layer to at least one of source electrodes (8a, 8d), drain electrodes (8b, 8c), and the anode electrode (12) of the organic EL element.

Abstract: A display device comprises: a metal substrate (301) having semiconductor elements (21, 22) and organic EL elements (24) provided thereon and connected to a power source; an interlayer insulating film (3) disposed between the metal substrate and the semiconductor elements (21, 22) and between the metal substrate and the organic EL elements and having contact holes (4a) formed therein; and contact hole wirings (4) that are formed in the contact holes and electrically connect the metal substrate to at least one of source electrodes (8a, 8d), drain electrodes (8b, 8c), and the anode electrodes (12) of the organic EL elements.

Abstract: The present invention provides a method of manufacturing an organic EL element using a relief printing method that can prevent color mixing caused during ink supply, a light-emitting device with which color mixing can be prevented, and a display device comprising the light-emitting device.

Abstract: An active matrix substrate (101A) comprises a transparent substrate (10), a wiring formed on the transparent substrate (such as LG, LD, LP, L1, and L2), a transparent semiconductor layer (44) that covers at least a part of the wiring, and a transparent insulating film that covers at least a part of the wiring and of the transparent semiconductor layer. The wiring comprises a first metal wiring (41M) serving as a main wiring and a transparent wiring (such as 41, 42, and 43) that branches from the main wiring and serves as a sub-wiring. At least a part of the first metal wiring serving as the main wiring is formed by using a material that has a higher conductivity than that of a material for a wiring serving as the sub-wiring.

Abstract: An active matrix substrate (101A) comprises a transparent substrate (10), a transparent wiring (such as LG, LD, LP, L1, and L2) formed on the transparent substrate, a transparent semiconductor layer 44 that covers at least a part of the transparent wiring, and a transparent insulating film (40, 50) that covers at least a part of the wiring and of the transparent semiconductor layer (44). The wiring comprises a main wiring that extends in a row direction and a column direction so as to intersect with each other (such as a part of 41) and a sub-wiring that branches from the main wiring to be connected to elements in a pixel (101a) (such as a part of 41, 42, and 43). The wiring is formed by using a conductive material such as ZTO or ITO.

Abstract: The invention provides an organic EL display device usable for both negative and positive polarity video signals. The organic EL display device of the invention has a polarity switching circuit switching a polarity of a digital video signal. In a case where a display panel is made for a negative polarity video signal, when a negative digital video signal is inputted, this polarity switching circuit lets the negative polarity digital video signal pass therethrough without inverting its polarity. When a positive polarity digital video signal is inputted, this polarity switching circuit inverts a polarity of the positive polarity digital video signal and inverts and switches reference data for a white level and reference data for a black level in order to obtain an accurate inverted image. An output of the polarity switching circuit is converted into an analog video signal through a first D/A converter and outputted to the display panel.

Abstract: Provided is a solution for narrowing of a light emitting region, increasing of leak current at an edge of a functional layer, peeling of the functional layer, or the like caused by non-uniform thickness of the functional layer at the edges thereof. Provided is an electronic device comprising a substrate; a conductive functional layer formed on the substrate; and an edge covering layer that covers edges of the functional layer, wherein the functional layer includes a functional region that is not covered by the edge covering layer. This functional layer may include a non-functional region that is made non-functional by covering the functional layer with the edge covering layer. The edge covering layer may be adhered to the substrate by an adhesion force that is greater than an adhesion force between the substrate and the functional layer.

Abstract: A control substrate comprising: a substrate main body; a base layer provided on one surface perpendicular to a thickness direction of the substrate main body; and a switching element provided on the base layer's surface located on the opposite side to the substrate main body, so as to perform switching between an electric connection and an electric disconnection, wherein the switching element comprises an electrode formed on the surface of the base layer by an application method, the surface being opposite to the substrate main body, and the base layer is formed of a member whose adhesiveness to the electrode is higher than the adhesiveness of the substrate main body to an electrode when forming the electrode on a base layer side surface of the substrate main body by an application method.

Abstract: The objective is to achieve an organic thin film transistor group that can be manufactured more easily and at a lower cost. Provided is a thin film active element group comprising a drive active element having a semiconductor channel layer formed in a channel region between a source electrode and a drain electrode; and a switch active element having a semiconductor channel layer formed in a channel region between a source electrode and a drain electrode, the switch active element switching the drive active element. The drive active element and the switch active element are formed to be separated from each other in a direction of a channel width such that a straight line associated with the channel region of the drive active element and a straight line associated with the channel region of the switch active element are parallel to each other.

Abstract: This invention provides a clock switching circuit that can switch clocks without causing a hazard or a distortion of a duty ratio of the clocks. The clock switching circuit of this invention includes a first synchronization circuit that synchronizes a clock selection signal with a first clock, a second synchronization circuit that synchronizes with a second clock the clock selection signal that has been synchronized with the first clock by the first synchronization circuit and a clock selection circuit that outputs “1”, that is a high level, in synchronization with the clock selection signal that has been synchronized with the first clock by the first synchronization circuit and after that selects the second clock in synchronization with the clock selection signal that has been synchronized with the second clock by the second synchronization circuit.

Abstract: This invention provides a clock switching circuit that can switch clocks without causing a hazard or a distortion of a duty ratio of the clocks. The clock switching circuit of this invention includes a first synchronization circuit that synchronizes a clock selection signal with a first clock, a second synchronization circuit that synchronizes with a second clock the clock selection signal that has been synchronized with the first clock by the first synchronization circuit and a clock selection circuit that outputs “1”, that is a high level, in synchronization with the clock selection signal that has been synchronized with the first clock by the first synchronization circuit and after that selects the second clock in synchronization with the clock selection signal that has been synchronized with the second clock by the second synchronization circuit.

Abstract: The invention provides an organic EL display device usable for both negative and positive polarity video signals. The organic EL display device of the invention has a polarity switching circuit switching a polarity of a digital video signal. In a case where a display panel is made for a negative polarity video signal, when a negative digital video signal is inputted, this polarity switching circuit lets the negative polarity digital video signal pass therethrough without inverting its polarity. When a positive polarity digital video signal is inputted, this polarity switching circuit inverts a polarity of the positive polarity digital video signal and inverts and switches reference data for a white level and reference data for a black level in order to obtain an accurate inverted image. An output of the polarity switching circuit is converted into an analog video signal through a first D/A converter and outputted to the display panel.

Abstract: The invention provides a display device that achieves optimization of an RGB signal without increasing power consumption required for displaying a test image. A display device of an embodiment of the invention has a display panel displaying an image corresponding to an RGB signal, a signal processing circuit portion including a plurality of signal processing circuits optimizing the RGB signal, an ACL circuit controlling the RGB signal so that the display panel emits light with predetermined electric power or less, and first and second test circuits respectively supplying first and second test image signals corresponding to first and second test images for the optimization to the display panel.