Abstract: A flip-flop circuit is provided. A driver circuit is provided. The flip-flop circuit includes first to fifth input terminals and first to third output terminals, the first input terminal is supplied with a first trigger signal, the second input terminal is supplied with a second trigger signal, the third input terminal is supplied with a batch selection signal, the fourth input terminal is supplied with a first pulse width modulation signal, and the fifth input terminal is supplied with a second pulse width modulation signal.

Abstract: A flip-flop circuit is provided. A driver circuit is provided. The flip-flop circuit includes first to fifth input terminals and first to third output terminals, the first input terminal is supplied with a first trigger signal, the second input terminal is supplied with a second trigger signal, the third input terminal is supplied with a batch selection signal, the fourth input terminal is supplied with a first pulse width modulation signal, and the fifth input terminal is supplied with a second pulse width modulation signal.

Abstract: A novel and highly convenient, useful, or reliable material for a photoelectric conversion device is provided. The photoelectric conversion device includes a first electrode, a second electrode, a first layer, a second layer, and a third layer. The first layer is held between the first electrode and the second electrode; the second layer is held between the second electrode and the first layer; the third layer is held between the second electrode and the second layer; and the third layer has higher electron mobility than the first layer. The material is used in the second layer, the material contains an anthracene skeleton, and the anthracene skeleton is bonded to a diarylamino group, a diheteroarylamino group, or an arylheteroarylamino group.

Abstract: A display device with a high aperture ratio is provided. The display device includes, in a pixel, a first transistor, a second transistor, a first insulating layer, a second insulating layer, a conductive layer, a pixel electrode, a layer containing a liquid crystal material, and a common electrode. The first insulating layer is positioned over a channel formation region of the first transistor. The conductive layer is positioned over the first insulating layer. The second insulating layer is positioned over the first transistor, the second transistor, the first insulating layer, and the conductive layer. The pixel electrode is positioned over the second insulating layer, the layer containing a liquid crystal material is positioned over the pixel electrode, and the common electrode is positioned over the layer containing a liquid crystal material. The common electrode overlaps with the conductive layer with the layer containing a liquid crystal material and the pixel electrode therebetween.

Abstract: A display apparatus having a light detection function with high accuracy is to be provide. The display apparatus includes a light-receiving device, a first light-emitting device, and an insulating layer. The light-receiving device includes a first electrode, a light-receiving layer, and a common electrode. The first light-emitting device includes a second electrode, a first EL layer, and the common electrode. The light-receiving layer includes a first functional layer, a second functional layer, and an active layer provided therebetween. The first functional layer contains a first substance having a hole-transport property. The second functional layer contains a second substance having an electron-transport property. An end portion of the active layer, an end portion of the first functional layer, and an end portion of the second functional layer are aligned or substantially aligned with one another.

Abstract: A display apparatus that has a light detection function and has a light detection function with high accuracy is provided. The display apparatus includes a light-receiving device and a first light-emitting device. The light-receiving device includes a first electrode, a light-receiving layer, and a common electrode that are stacked in this order. The first light-emitting device includes a second electrode, a first EL layer, and the common electrode that are stacked in this order. The light-receiving layer includes a first layer, a second layer, and an active layer between the first layer and the second layer. The first layer contains a first substance having a hole-transport property, and the second layer contains a second substance having an electron-transport property. An end portion of the active layer, an end portion of the first layer, and an end portion of the second layer are aligned or substantially aligned with one another.

Abstract: A semiconductor device having a light detection function and including a high-resolution display portion is provided. The semiconductor device is a display apparatus including a light-emitting device, a light-receiving device, and a substrate. The light-emitting device includes a first electrode, a light-emitting layer, a first electron-transport layer, an electron-injection layer, and a second electrode stacked in this order over the substrate. The light-receiving device includes a third electrode, an active layer, a first hole-transport layer, the electron-injection layer, and the second electrode stacked in this order over the substrate. The first electrode is supplied with a first potential. The second electrode is preferably supplied with a second potential lower than the first potential. The third electrode is preferably supplied with a third potential higher than the second potential.

Abstract: A display device with a high aperture ratio is provided. The display device includes, in a pixel, a first transistor, a second transistor, a first insulating layer, a second insulating layer, a conductive layer, a pixel electrode, a layer containing a liquid crystal material, and a common electrode. The first insulating layer is positioned over a channel formation region of the first transistor. The conductive layer is positioned over the first insulating layer. The second insulating layer is positioned over the first transistor, the second transistor, the first insulating layer, and the conductive layer. The pixel electrode is positioned over the second insulating layer, the layer containing a liquid crystal material is positioned over the pixel electrode, and the common electrode is positioned over the layer containing a liquid crystal material. The common electrode overlaps with the conductive layer with the layer containing a liquid crystal material and the pixel electrode therebetween.

Abstract: A photoelectric conversion device in which an increase in driving voltage is inhibited is provided. The photoelectric conversion device includes a first electrode, a second electrode, and an organic compound layer; the organic compound layer is positioned between the first electrode and the second electrode; the organic compound layer includes a first layer; a structure body including projections is included between the first layer and the second electrode; and the structure body contains a first organic compound.

Abstract: A display device that can switch between normal display and see-through display is provided. Visibility in see-through display is improved. A liquid crystal element overlaps with a light-emitting element. The light-emitting element, a transistor, and the like overlapping with the liquid crystal element transmit visible light. When the liquid crystal element blocks external light, an image is displayed with the light-emitting element. When the liquid crystal element transmits external light, an image displayed with the light-emitting element is superimposed on a transmission image through the liquid crystal element.

Abstract: A display device with a high aperture ratio is provided. The display device includes, in a pixel, a first transistor, a second transistor, a first insulating layer, a second insulating layer, a conductive layer, a pixel electrode, a layer containing a liquid crystal material, and a common electrode. The first insulating layer is positioned over a channel formation region of the first transistor. The conductive layer is positioned over the first insulating layer. The second insulating layer is positioned over the first transistor, the second transistor, the first insulating layer, and the conductive layer. The pixel electrode is positioned over the second insulating layer, the layer containing a liquid crystal material is positioned over the pixel electrode, and the common electrode is positioned over the layer containing a liquid crystal material. The common electrode overlaps with the conductive layer with the layer containing a liquid crystal material and the pixel electrode therebetween.

Abstract: A novel optical functional device that is highly convenient, useful, or reliable is provided. The optical functional device includes a light-emitting function, a photoelectric conversion function, a first electrode, a second electrode, and an optical functional layer. The light-emitting function converts electrical energy into first light, the first light has a first emission spectrum, and the first emission spectrum exhibits a maximum peak at a first wavelength. At a second wavelength, the intensity of the first emission spectrum is 80% of the maximum peak. The photoelectric conversion function has a spectral sensitivity characteristic; at a third wavelength, the spectral sensitivity characteristic has a maximum sensitivity within a range of 420 to 720 nm inclusive; and at a fourth wavelength, the sensitivity of the spectral sensitivity characteristic is 80% of the maximum sensitivity.

Abstract: A flip-flop circuit is provided. A driver circuit is provided. The flip-flop circuit includes first to fifth input terminals and first to third output terminals, the first input terminal is supplied with a first trigger signal, the second input terminal is supplied with a second trigger signal, the third input terminal is supplied with a batch selection signal, the fourth input terminal is supplied with a first pulse width modulation signal, and the fifth input terminal is supplied with a second pulse width modulation signal.

Abstract: Provided is a highly convenient, useful, or reliable novel organic compound represented by General Formula (G1), where A1 represents any of hydrogen, deuterium, an alkyl group having 1 to 13 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms, an aryl group having 6 to 25 carbon atoms, a heteroaryl group having 2 to 25 carbon atoms, and a diarylamino group; Ar1 to Ar4 each independently represent any of an aryl group having 6 to 25 carbon atoms, a heteroaryl group having 2 to 25 carbon atoms, and a diarylamino group; and R1 to R6 each independently represent any of hydrogen, deuterium, an alkyl group having 1 to 13 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms, an aryl group having 6 to 25 carbon atoms, a heteroaryl group having 2 to 25 carbon atoms, and an alkoxy group having 1 to 13 carbon atoms.

Abstract: An information processing apparatus includes an extracting unit that extracts, based on attribute information of an object necessary for using a service provided by a service system and information related to a user of the service system, a candidate for the user to be invited to the service, out of users who are yet to use the service.

Abstract: A flip-flop circuit is provided. A driver circuit is provided. The flip-flop circuit includes first to fifth input terminals and first to third output terminals, the first input terminal is supplied with a first trigger signal, the second input terminal is supplied with a second trigger signal, the third input terminal is supplied with a batch selection signal, the fourth input terminal is supplied with a first pulse width modulation signal, and the fifth input terminal is supplied with a second pulse width modulation signal.

Abstract: A novel display device that is highly convenient, useful, or reliable is provided. The display device includes a light guide plate, a display panel, and an intermediate layer, and the light guide plate includes a first surface and a second surface. The first surface is irradiated with light, the second surface has a function of distributing light, the second surface is in contact with the intermediate layer, and the second surface has a first refractive index N1 in a region in contact with the intermediate layer. The display panel faces the second surface, the display panel is in contact with the intermediate layer, and the display panel has a function of scattering the distributed light. The intermediate layer includes a region positioned between the second surface and the display panel, and the intermediate layer has a second refractive index N2 in a region in contact with the second surface. The second refractive index N2 is smaller than the first refractive index N1.

Abstract: To provide a novel photoelectric conversion device that is highly convenient, useful, or reliable. The photoelectric conversion device includes a first electrode, a second electrode, and a first unit. The first unit is located between the first electrode and the second electrode. The first unit contains a first electron-donating material and a first electron-accepting material. The first electron-donating material is a condensed aromatic compound, and the first electron-accepting material has a perylene skeleton and two or more alkyl groups. The alkyl groups each independently have 1 to 13 carbon atoms.

Abstract: An information processing system includes: one or more internal devices that are connected to an internal network, the internal network being connected to an external network through a firewall; and an intermediation device that can communicate with the internal network and the external network; each of the internal devices including: a storage unit that stores one or more documents and metadata of each of the documents; and a request acceptance unit that accepts, from a user, a request for processing by an external server on the external network as to one of the documents stored in the storage unit, and transmits the accepted request to the intermediation device; the intermediation device including: a request transmission unit as defined herein.

Abstract: A display device that can switch between normal display and see-through display is provided. Visibility in see-through display is improved. A liquid crystal element overlaps with a light-emitting element. The light-emitting element, a transistor, and the like overlapping with the liquid crystal element transmit visible light. When the liquid crystal element blocks external light, an image is displayed with the light-emitting element. When the liquid crystal element transmits external light, an image displayed with the light-emitting element is superimposed on a transmission image through the liquid crystal element.