Abstract: To provide a display device with high reliability. To provide a repeatedly bendable flexible display. A first substrate, a second substrate, a display element, a light-blocking layer, a first barrier layer, and an adhesive layer are included. The first substrate and the second substrate face each other. The display element, the light-blocking layer, the first barrier layer, and the adhesive layer are between the first substrate and the second substrate. The display element is between the first substrate and the adhesive layer. The light-blocking layer is between the second substrate and the adhesive layer. The first barrier layer includes a region between the light-blocking layer and the adhesive layer. The first barrier layer includes a material having a higher Young's modulus than the light-blocking layer or the adhesive layer.

Abstract: To provide a novel display device that is highly convenient or reliable, a novel input/output device that is highly convenient or reliable, a novel data processing device that is highly convenient or reliable, and a driving method of a novel data processing device that is highly convenient or reliable, a structure including a selection circuit and a display panel is provided. The selection circuit has a function of supplying a first potential or a second potential on the basis of control data. The display panel includes a pixel circuit electrically connected to a first conductive film to which the first potential is supplied and a second conductive film to which the first potential or the second potential is supplied.

Abstract: A method for driving an information processing device which is adaptable to a wider variety of input methods is provided. The coordinates of an operating body at a starting point in the XYZ space and the coordinates of the operating body at an ending point in the XYZ space after a certain period of time are obtained, and the Z coordinate at the ending point and the movement distance on the X-Y plane in the certain period of time are calculated. Then, a signal is output only in the case where both the distance from an operating surface to the operating body in the vertical direction and the movement distance in the horizontal direction exceed the respective threshold values. In this manner, input operation can be performed by a three-dimensional motion, which includes movement of the operating body in the vertical direction as well as in the horizontal direction.

Abstract: An information processing device including a display unit and an input unit is driven by a first step of inputting an input signal from the input unit, a second step of starting to move an image displayed on the display unit, a third step of lowering luminance of the image, a fourth step of checking whether the image reaches a position of predetermined coordinates, a fifth step of increasing the luminance of the image in the case where the image reaches the position of the predetermined coordinates, and a sixth step of stopping moving the image so as to perform eye-friendly display with the display unit.

Abstract: An information processing device including a display unit and an input unit is driven by a first step of inputting an input signal from the input unit, a second step of starting to move an image displayed on the display unit, a third step of lowering luminance of the image, a fourth step of checking whether the image reaches a position of predetermined coordinates, a fifth step of increasing the luminance of the image in the case where the image reaches the position of the predetermined coordinates, and a sixth step of stopping moving the image so as to perform eye-friendly display with the display unit.

Abstract: Color purity of a light emitting element is improved without an adverse effect such as reduction in voltage and luminance efficiency. The light emitting element has a light emitting laminated body including a light emitting layer between a pair of electrodes. A buffer layer is provided to be in contact with at least one of the electrodes. One of the electrodes is an electrode having high reflectance and the other is a translucent electrode. By employing a translucent electrode, light can be transmitted and reflected. An optical distance between the electrodes is adjusted in accordance with a thickness of the buffer layer, and accordingly, light can be resonated between the electrodes. The buffer layer is made of a composite material including an organic compound and a metal compound; therefore, voltage and luminance efficiency of the light emitting element is not affected even if a distance between the electrodes becomes long.

Abstract: The present invention provides a light-emitting element, a light-emitting device and an electronic device in which an optical path length through which generated light goes can be changed easily. The present invention provides a light-emitting element including a light-emitting layer between a first electrode and a second electrode, and a mixed layer in contact with the first electrode; in which the light-emitting layer includes a light-emitting substance; the mixed layer includes a hole transporting substance and a metal oxide showing an electron accepting property to the hole transporting substance, and has a thickness of 120 to 180 nm, and when a voltage is applied between the first electrode and the second electrode such that a potential of the first electrode is higher than that of the second electrode, the light-emitting substance emits light.

Abstract: An object of the present invention is to provide a light-emitting element with high luminous efficiency, and a light-emitting element of low-voltage driving. Another object is to provide a light-emitting device with low power consumption by using the light-emitting element. Another object is to provide an electronic appliance with low power consumption by using the light-emitting device in a display portion. A light-emitting element includes, between a pair of electrodes, a layer containing a composite material of a first organic compound and an inorganic compound and a layer containing a second organic compound being in contact with the layer containing the composite material, wherein the second organic compound does not have a peak of an absorption spectrum in a wavelength region of 450 to 800 nm if the second organic compound is compounded with the inorganic compound.

Abstract: To increase the detection sensitivity of a touch panel, increase the visibility of a touch panel, provide a bendable touch panel, provide a thin touch panel, or provide a lightweight touch panel. The touch sensor has a first substrate, a first conductive layer, a second conductive layer, and an insulating layer. The first conductive layer includes a region between the first substrate and the second conductive layer. The insulating layer includes a region between the first conductive layer and the second conductive layer. The first conductive layer, the second conductive layer, and the insulating layer form a capacitor. The second conductive layer has an opening. The opening in the second conductive layer and the first conductive layer overlap with each other in a region.

Abstract: A low-power semiconductor device is provided. The semiconductor device includes a movable portion, a plurality of scan line driver circuits, and a control portion. The movable portion includes a plurality of regions driven by the plurality of scan line driver circuits. One of the scan line driver circuits is electrically connected to another one of the scan line driver circuits adjacent to the scan line driver circuit through a switch. The control portion has a function of supplying a start pulse to one scan line driver circuit selected from the plurality of scan line driver circuits. The movable portion can be folded between the plurality of regions.

Abstract: A novel information processing device that is highly convenient or reliable is provided. Alternatively, a novel information processing device is provided. The novel information processing device includes an input portion supplying a map and a memory portion storing a program. The program includes interrupt processing in which a data set is generated from the map, a step of extracting a pattern from the data set generated through the interrupt processing, and a step of supplying instructions associated with a reference table when the extracted pattern is included in the reference table.

Abstract: One object of the present invention is to provide a light emitting element that includes an organic compound and an inorganic compound and has low driving voltage. The light emitting element of the invention includes a plurality of layers between a pair of electrodes, wherein the plurality of layers includes a layer that contains a carbazole derivative represented by a general formula (1) and an inorganic compound exhibiting an electron accepting property with respect to the carbazole derivative. By utilizing this structure, electrons are transported between the carbazole derivative and the inorganic compound and carriers are internally generated, and hence, the driving voltage of the light emitting element can be reduced.

Abstract: A novel display panel that is highly convenient or reliable is provided. A novel data processing device that is highly convenient or reliable is provided. A novel human interface that is highly convenient or reliable is provided. A structure including a display region where a first region, a first bendable region, and a second bendable region are arranged in stripes is devised. The display region can be folded along a fold line formed in the first bendable region such that the ratio of the length of the short side of the first region to the length of the long side thereof is 0.9 times or more and 1.1 times or less the ratio of the length of the short side of the display region to the length of the long side thereof.

Abstract: Provided is a data-processing device which includes a flexible position-input portion capable of sensing proximity or touch of an object such as a user's palm and fingers. The data-processing device is arranged so that, in accordance with the position of the user's palm and fingers holding the data-processing device, an image for operation is displayed in a location which is accessible by the fingers.

Abstract: A novel highly browsable data processing device is provided. A novel highly portable data processing device is provided. A novel highly browsable data processing system is provided. A novel highly portable data processing system is provided. The inventor has conceived a structure including an input/output device that includes a communication unit that receives a display instruction, a position-measuring unit that measures the position of a sign, and produces and supplies position data, and a display unit; and an arithmetic device that produces image data on the basis of the display instruction and the position data.

Abstract: An object of the present invention is to provide a composite material formed of an organic compound and an inorganic compound, and has an excellent carrier transporting property, an excellent carrier injecting property to the organic compound, as well as excellent transparency. A composite material of the present invention for achieving the above object is a composite material of an organic compound represented in the general formula below, and an inorganic compound. For the inorganic compound, an oxide of a transition metal, preferably an oxide of a metal belonging to groups 4 to 8 of the periodic table, in particular vanadium oxide, tantalum oxide, molybdenum oxide, tungsten oxide, rhenium oxide, and ruthenium oxide, can be used.

Abstract: A novel bendable and highly portable information processor is provided. In addition, a novel information processor capable of displaying information or the like on a seamless large screen is provided. A novel information processor in which one display region can be divided into two regions at a bend position is provided. A novel information processor in which different images or images for different purposes can be displayed in the respective regions is provided. The present inventors have conceived a program including a step of dividing the display region and displaying image data in the respective regions when a display unit of the information processor is bent.

Abstract: It is an object to provide a light-emitting element which can reduce power consumption. A light-emitting element is provided, which includes a pair of electrodes and a light-emitting layer interposed between the pair of electrodes. The light-emitting layer includes at least a first layer and a second layer, each of the first layer and the second layer includes an emission center and a host material, the emission center is dispersed in the host material, a thickness of each of the first layer and the second layer is 1 nm or more and 10 nm or less, and the first layer is not in contact with the second layer.

Abstract: A signal processing circuit that consumes less power by stop of supply of power for a short time. In a storage element, before supply of power is stopped, data in a first storage circuit is stored to a second storage circuit, and the data is read from the second storage circuit and a verification circuit can determine whether or not the data in the second storage circuit matches the data in the first storage circuit. After supply of power is restarted, the data in the second storage circuit is stored to the first storage circuit, and the verification circuit can determine whether or not the data in the second storage circuit matches the data in the first storage circuit. In such a manner, verification can be performed without requiring a time for verification.

Abstract: To provide a semiconductor device to which information can be input in low-illuminance conditions or at a location distant from the semiconductor device. An ultrasonic wave sensor is provided in the semiconductor device with a display region having photosensors. An object to be detected is detected by switching the photosensors and the ultrasonic wave sensor in accordance with illuminance around the semiconductor device or a distance between the semiconductor device and the object. The photosensors and the ultrasonic wave sensor can be used concurrently.