Abstract: A display apparatus with high display quality is provided. The display apparatus includes a light-emitting device, a light-receiving device, a first plano-convex lens, and a second plano-convex lens. The light-emitting device and the first plano-convex lens have an overlap region. The light-receiving device and the second plano-convex lens have an overlap region. The light-emitting device and the light-receiving device each include a pair of electrodes and an organic compound provided between the pair of electrodes. One of the pair of electrodes is a conductive film having a light-transmitting property with respect to visible light. The first plano-convex lens and the second plano-convex lens are provided so that a surface opposite to a convex surface is in contact with the conductive film. A refractive index of the plano-convex lenses is greater than a refractive index of the conductive film.

Abstract: To provide a highly secure electronic device. The electronic device includes a control portion, a detection portion, and a memory portion. The detection portion has a function of detecting touch operation and a function of obtaining first finger data on a touching finger. The memory portion has a function of retaining second finger data registered in advance. The control portion has functions of comparing the first finger data with the second finger data and executing predetermined processing when these data match. The first finger data includes first fingerprint data and first positional data, and the second finger data includes second fingerprint data and second positional data.

Abstract: A thin lightweight imaging device is provided. A highly convenient imaging device is provided. The imaging unit includes an imaging unit, a memory, and an arithmetic circuit. The imaging unit includes a light-receiving device, a first light-emitting device, and a second light-emitting device. The first light-emitting device has a function of emitting light in a wavelength range that is different from a wavelength range of light emitted by the second light-emitting device. The imaging unit has a function of making the first light-emitting device emit light and acquiring first image data. The imaging unit has a function of making the second light-emitting device emit light and acquiring second image data. The memory has a function of retaining the first reference data and the second reference data. The arithmetic circuit has a function of correcting the first image data with the use of the first reference data retained in the memory and calculating first correction image data.

Abstract: A display device having a photosensing function is provided. A display device having a biometric authentication function typified by fingerprint authentication is provided. A display device having both a touch panel function and a biometric authentication function is provided. The display device includes a first substrate, a light guide plate, a first light-emitting element, a second light-emitting element, and a light-receiving element. The first substrate and the light guide plate are provided to face each other. The first light-emitting element and the light-receiving element are provided between the first substrate and the light guide plate. The first light-emitting element has a function of emitting first light through the light guide plate. The second light-emitting element has a function of emitting second light to a side surface of the light guide plate. The light-receiving element has a function of receiving the second light and converting the second light into an electric signal.

Abstract: A display device having a function of sensing light is provided. The display device includes a first substrate, a second substrate, a light-receiving element, a light-emitting element, a resin layer, and a light shielding layer. The light-receiving element, the light-emitting element, the resin layer, and the light shielding layer are each positioned between the first substrate and the second substrate. The light-receiving element includes a first pixel electrode over the first substrate, an active layer over the first pixel electrode, and a common electrode over the active layer. The light-emitting element includes a second pixel electrode over the first substrate, a first light-emitting layer over the second pixel electrode, and the common electrode over the first light-emitting layer. The resin layer and the light shielding layer are each positioned between the common electrode and the second substrate. The resin layer includes a portion overlapping with the light-emitting element.

Abstract: The resolution of a display apparatus having alight detection function is increased. The display apparatus includes a light-emitting device and a light-emitting and light-receiving device. The light-emitting device includes a first pixel electrode, a first light-emitting layer, and a common electrode; the light-emitting and light-receiving device includes a second pixel electrode, a second light-emitting layer, an active layer, and the common electrode; the active layer includes an organic compound; the first light-emitting layer is positioned between the first pixel electrode and the common electrode; the second light-emitting layer and the active layer are each positioned between the second pixel electrode and the common electrode; the light-emitting device has a function of emitting light of a first color; and the light-emitting and light-receiving device has a function of emitting light of a second color and a function of receiving light of the first color.

Abstract: A display device having a photosensing function is provided. A highly convenient display device is provided. The display device includes a light-receiving element and a light-emitting element in a display portion. The light-receiving element includes a first pixel electrode, an active layer, and a common electrode. The light-emitting element includes a second pixel electrode, a light-emitting layer, and a common electrode. The active layer is positioned over the first pixel electrode. The active layer contains a first organic compound. The light-emitting layer is positioned over the second pixel electrode. The light-emitting layer contains a second organic compound different from the first organic compound. The common electrode includes a portion overlapping with the first pixel electrode with the active layer provided therebetween, and a portion overlapping with the second pixel electrode with the light-emitting layer provided therebetween.

Abstract: An optical device with less influence of stray light is provided. The optical device is thin and includes a half mirror, a first lens, a retardation plate, a reflective polarizing plate, and a second lens. In the optical device, a geometric phase lens which has negative and positive refractive power is used as the first lens, whereby images can be focused after magnified optically. Thus, the optical device can have a wide viewing angle. In the case where stray light occurs due to birefringence of an optical material, negative refractive power of the first lens can prevent the stray light from being focused on the eye direction. Accordingly, image degradation recognized due to stray light can be prevented.

Abstract: An electronic device having an authentication method with a high security level is provided. The electronic device includes a pixel portion, a sensor portion, an authentication portion, and a housing. The pixel portion includes a display element and a light-receiving element. The pixel portion has a function of turning on the display element. The pixel portion has a function of obtaining authentication information by capturing an image of a target object touching the pixel portion. The sensor portion has a function of detecting attachment or detachment to a living body or an object. The authentication portion has a function of performing authentication processing with the use of the authentication information. The housing includes a first surface and a second surface opposite to the first surface. The pixel portion is positioned on the first surface and the sensor portion is positioned on the second surface.

Abstract: A display apparatus having a photoelectric conversion function with high sensitivity is provided. The light extraction efficiency of the display apparatus is increased. The display apparatus includes a light-emitting device, a light-emitting and light-receiving device, a first lens, and a second lens. The light-emitting device has a function of emitting light of a first color. The light-emitting and light-receiving device has a function of emitting light of a second color and a function of receiving light of the first color and converting it into an electric signal. The light emitted by the light-emitting device is emitted to the outside of the display apparatus through the first lens. Light enters the light-emitting and light-receiving device from the outside of the display apparatus through the second lens.

Abstract: A display apparatus having an image capturing function is provided. A display apparatus or an image capturing device with a high aperture ratio is provided. The display apparatus includes a light-emitting element, a light-receiving element, a first resin layer, and a light-blocking layer. A first pixel electrode, a first organic layer, and a common electrode are stacked in this order in the light-emitting element. A second pixel electrode, a second organic layer, and the common electrode are stacked in this order in the light-receiving element. The first organic layer includes a first light-emitting layer, and the second organic layer includes a photoelectric conversion layer. The light-blocking layer includes a portion positioned, in a plan view, between the light-emitting element and the light-receiving element. The first resin layer is provided to cover the light-emitting element and the light-receiving element.

Abstract: A display device having a function of sensing light is provided. The display device includes a first substrate, a second substrate, a light-receiving element, a light-emitting element, a resin layer, and a light shielding layer. The light-receiving element, the light-emitting element, the resin layer, and the light shielding layer are each positioned between the first substrate and the second substrate. The light-receiving element includes a first pixel electrode over the first substrate, an active layer over the first pixel electrode, and a common electrode over the active layer. The light-emitting element includes a second pixel electrode over the first substrate, a first light-emitting layer over the second pixel electrode, and the common electrode over the first light-emitting layer. The resin layer and the light shielding layer are each positioned between the common electrode and the second substrate. The resin layer includes a portion overlapping with the light-emitting element.

Abstract: A display apparatus having an image capturing function is provided. A display apparatus or an image capturing device with a high aperture ratio is provided. The display apparatus includes a first light-emitting element and a light-receiving element. The first light-emitting element includes a first pixel electrode, a first organic layer, and a common electrode. The light-receiving element includes a second pixel electrode, a second organic layer, and the common electrode. The first organic layer includes a first light-emitting layer, and the second organic layer includes a photoelectric conversion layer. A first layer and a second layer are included in a region between the first light-emitting element and the light-receiving element. The first layer overlaps with the second organic layer and the second pixel electrode and contains a material identical to a material of the first organic layer.

Abstract: To provide a highly secure electronic device. The electronic device includes a control portion, a detection portion, and a memory portion. The detection portion has a function of detecting touch operation and a function of obtaining first finger data on a touching finger. The memory portion has a function of retaining second finger data registered in advance. The control portion has functions of comparing the first finger data with the second finger data and executing predetermined processing when these data match. The first finger data includes first fingerprint data and first positional data, and the second finger data includes second fingerprint data and second positional data.

Abstract: An object is to provide a highly reliable display unit having a function of sensing light. The display unit includes a light-receiving device and a light-emitting device. The light-receiving device includes an active layer between a pair of electrodes. The light-emitting device includes a hole-injection layer, a light-emitting layer, and an electron-transport layer between a pair of electrodes. The light-receiving device and the light-emitting device share one of the electrodes, and may further share another common layer between the pair of electrodes. The hole-injection layer is in contact with an anode and contains a first compound and a second compound. The electron-transport property of the electron-transport layer is low; hence, the light-emitting layer is less likely to have excess electrons. Here, the first compound is the material having a property of accepting electrons from the second compound.

Abstract: A high-resolution display apparatus having a function of detecting light is provided. The display apparatus includes a light-receiving device and a light-emitting device, the light-receiving device includes a first electrode, an active layer over the first electrode, and a second electrode over the active layer, the light-emitting device includes a third electrode, a light-emitting layer over the third electrode, and the second electrode over the light-emitting layer, and a part of the active layer and a part of the light-emitting layer overlap with each other in an outer side of the first electrode and an outer side of the third electrode in a top view.

Abstract: A vehicle control device with a high security level is provided. The vehicle control device has a structure including an operation portion, a first light-emitting and light-receiving portion, and a control portion. The operation portion includes a steering wheel including a rim, a hub, and a spoke. The rim is connected to the hub through the spoke. The first light-emitting and light-receiving portion is provided along a surface of the hub. The first light-emitting and light-receiving portion includes a first light-emitting element and a first light-receiving element. The first light-emitting element has a function of emitting light in a first wavelength range. The first light-receiving element has a function of receiving the light in the first wavelength range and converting the light in the first wavelength range into an electric signal. The first light-emitting element and the first light-receiving element are arranged side by side on the same plane.

Abstract: To provide a display device with excellent display quality, in a display device including a signal line, a scan line, a transistor, a pixel electrode, and a common electrode in a pixel, the common electrode is included in which an extending direction of a region overlapping with the signal line differs from an extending direction of a region overlapping with the pixel electrode in a planar shape and the extending directions intersect with each other between the signal line and the pixel electrode. Thus, a change in transmittance of the pixel can be suppressed; accordingly, flickers can be reduced.

Abstract: An electronic device with a high security level is provided. The electronic device includes a control portion, a memory portion, and a display portion. The display portion has a function of displaying a first icon and a function of obtaining first fingerprint data in a display region of the first icon. The memory portion has a function of retaining second fingerprint data. The control portion has a function of comparing the first fingerprint data with the second fingerprint data; a function of executing first processing associated with the first icon in the case where the first fingerprint data and the second fingerprint data match; and a function of executing second processing in the case where the first fingerprint data and the second fingerprint data do not match.

Abstract: Provided is an electronic device that can be operated without contact. The electronic device includes a display portion, a processing portion, and a memory portion. The display portion includes a display apparatus including a light-emitting device and a light-receiving device. The display portion has a function of displaying an image using the light-emitting device and a function of capturing an image using the light-receiving device. The memory portion has a machine learning model using a neural network. The processing portion has a function of inferring position data of an object not in contact with the electronic device using the machine learning model from image capturing data captured by the display portion.