Abstract: A highly reliable display apparatus is provided. In an EL display apparatus including a specific pixel having a function of adding data, a storage node is provided in the pixel, and first data can be held in the storage node. In the pixel, second data is added to the first data through capacitive coupling, whereby third data can be generated. A light-emitting device operates in accordance with the third data. In the pixel, a light-emitting device that requires a high voltage for light emission or a light-emitting device to which application of a high voltage is preferred is provided.

Abstract: A high-resolution, high-definition, or large display apparatus is provided. A metal mask is placed over an EL layer and film deposition is performed with the metal mask, whereby an island-shaped counter electrode is formed. Then, the EL layer is processed using the counter electrode as a hard mask. Alternatively, after an EL layer and a counter electrode are formed over an entire surface, processing using a metal mask is performed. An insulating layer that electrically insulates adjacent pixel electrodes from each other is positioned between adjacent light-emitting devices. A resist mask is formed over the insulating layer. A plurality of EL layers and a plurality of counter electrodes overlapping each other over the insulating layer are partly removed using the resist mask, whereby part of the insulating layer is exposed. Thus, the adjacent light-emitting devices are electrically insulated from each other over the insulating layer.

Abstract: A display unit with high resolution is provided. A display unit with high display quality is provided. A display unit includes a transistor, a light-emitting diode, a first conductive layer over the transistor and electrically connected to the transistor, a second conductive layer over the first conductive layer and electrically connected to the light-emitting diode, a first insulating layer over the transistor, and a second insulating layer over the first insulating layer. The top surface of the first conductive layer is substantially level with the top surface of the first insulating layer, and the bottom surface of the second conductive layer is substantially level with the bottom surface of the second insulating layer. The first insulating layer and the second insulating layer are bonded to each other, and the first conductive layer and the second conductive layer are bonded to each other.

Abstract: A display device having both a touch detection function and a function of capturing an image of a shape of a fingerprint or a vein is provided. The display device includes a first substrate, a first light-emitting element, a second light-emitting element, a light-receiving element, a light-blocking layer, a first resin layer, and a second resin layer. The first light-emitting element and the light-receiving element are arranged over the first substrate, and the first resin layer is provided over the first light-emitting element and the light-receiving element. The light-blocking layer is provided over the first resin layer, and the second light-emitting element is provided over the light-blocking layer. The second resin layer is provided over the second light-emitting layer. The first light-emitting element emits visible light upward, and the second light-emitting element emits invisible light upward.

Abstract: A novel light-emitting device that is highly convenient, useful, or reliable is provided. A novel functional panel that is highly convenient, useful, or reliable is provided. The light-emitting device includes an insulating film, a group of structure bodies, a layer containing a light-emitting material, a first electrode, and a second electrode. The group of structure bodies includes a structure body and a different structure body, a first distance is provided between the different structure body and the structure body, the insulating film includes a first surface, the structure body includes a sidewall, the sidewall forms a first angle with the first surface, and the first angle is greater than 0°and less than or equal to 90°.

Abstract: A high-resolution, high-definition, or large display apparatus is provided. A metal mask is placed over an EL layer and film deposition is performed with the metal mask, whereby an island-shaped counter electrode is formed. Then, the EL layer is processed using the counter electrode as a hard mask. Alternatively, after an EL layer and a counter electrode are formed over an entire surface, processing using a metal mask is performed. An insulating layer that electrically insulates adjacent pixel electrodes from each other is positioned between adjacent light-emitting devices. A resist mask is formed over the insulating layer. A plurality of EL layers and a plurality of counter electrodes overlapping each other over the insulating layer are partly removed using the resist mask, whereby part of the insulating layer is exposed. Thus, the adjacent light-emitting devices are electrically insulated from each other over the insulating layer.

Abstract: A novel display panel that is highly convenient or reliable is provided. The display panel includes a first region and a second region. The second region is provided with a first component, and the second region can be bent with the first component facing outward. The first component includes a first elastic body and a second elastic body. The second elastic body includes an end portion part or the whole of which is covered with the first elastic body. The second elastic body has a higher elastic modulus than the first elastic body.

Abstract: A display apparatus in which a voltage drop is sufficiently suppressed is provided. The display apparatus includes a first light-emitting device including a first lower electrode and a first organic compound layer positioned over the first lower electrode; a second light-emitting device including a second lower electrode and a second organic compound layer positioned over the second lower electrode; a common electrode included in the first light-emitting device and the second light-emitting device; and an auxiliary wiring electrically connected to the common electrode. The auxiliary wiring includes a first wiring layer and a second wiring layer; the second wiring layer is electrically connected to the first wiring layer through a contact hole in an insulating layer; and the second wiring layer has a lattice shape in a top view.

Abstract: A novel display panel that is highly convenient or reliable is provided. The display panel includes a first region and a second region. The second region is provided with a first component, and the second region can be bent with the first component facing outward. The first component includes a first elastic body and a second elastic body. The second elastic body includes an end portion part or the whole of which is covered with the first elastic body. The second elastic body has a higher elastic modulus than the first elastic body.

Abstract: A novel light-emitting device that is highly convenient, useful, or reliable is provided. A novel functional panel that is highly convenient, useful, or reliable is provided. The light-emitting device includes an insulating film, a group of structure bodies, a layer containing a light-emitting material, a first electrode, and a second electrode. The group of structure bodies includes a structure body and a different structure body, a first distance is provided between the different structure body and the structure body, the insulating film includes a first surface, the structure body includes a sidewall, the sidewall forms a first angle with the first surface, and the first angle is greater than 0° and less than or equal to 90°.

Abstract: A friction material includes a stainless steel group sintered body having pores. The stainless steel group sintered body includes a nitride layer and an interior portion, the nitride layer containing iron nitride and being present on a surface of the stainless steel group sintered body, the interior portion being present in an inner part of the stainless steel group sintered body. The interior portion includes an austenite phase and a martensite phase, a content of the austenite phase in the interior portion being 75 vol % or more and 99 vol % or less, and a Vickers hardness of the interior portion is 300 HV0.1 or more and 600 HV0.1 or less.

Abstract: One embodiment of the present invention provides a display device from which a driver or a fellow passenger in a mobile body such as a vehicle can easily obtain desired information. One embodiment of the present invention is a display device including a display panel. The display panel is placed inside a mobile body including window glass. A film including a light-blocking layer is provided between the window glass and the display panel of the mobile body. By providing a driving unit controlling the display panel, the positional relationship between the window glass and the display panel is changed. Alternatively, by providing a driving unit controlling the film including the light-blocking layer, the positional relationship between the window glass and the film including the light-blocking layer is changed.

Abstract: A novel display panel that is highly convenient, useful, or reliable is provided. The display panel includes a display region, a first support, and a second support, the display region includes a first region, a second region, and a third region, the first region and the second region each have a belt-like shape extending in one direction, and the third region is sandwiched between the first region and the second region. The first support overlaps with the first region and is less likely to be warped than the third region, and the second support overlaps with the second region and is less likely to be warped than the third region. The second support can pivot on an axis extending in the one direction with respect to the first support.

Abstract: One embodiment of the present invention is a display device including a first insulating layer, a second insulating layer, a first transistor, a second transistor, a first light-emitting diode, a second light-emitting diode, and a color conversion layer. The first insulating layer is over the first transistor and the second transistor. The first light-emitting diode and the second light-emitting diode are over the first insulating layer. The color conversion layer is over the second light-emitting diode. The color conversion layer is configured to convert light emitted from the second light-emitting diode into a light having a longer wavelength. The first transistor and the second transistor each include a metal oxide layer and a gate electrode. The metal oxide layer includes a channel formation region. A top surface of the gate electrode is level or substantially level with a top surface of the second insulating layer.

Abstract: A highly reliable display apparatus is provided. In an EL display apparatus including a specific pixel having a function of adding data, a storage node is provided in the pixel, and first data can be held in the storage node. In the pixel, second data is added to the first data through capacitive coupling, whereby third data can be generated. A light-emitting device operates in accordance with the third data. In the pixel, a light-emitting device that requires a high voltage for light emission or a light-emitting device to which application of a high voltage is preferred is provided.

Abstract: A novel display panel that is highly convenient, useful, or reliable is provided. The display panel includes a display region, a first support, and a second support, the display region includes a first region, a second region, and a third region, the first region and the second region each have a belt-like shape extending in one direction, and the third region is sandwiched between the first region and the second region. The first support overlaps with the first region and is less likely to be warped than the third region, and the second support overlaps with the second region and is less likely to be warped than the third region. The second support can pivot on an axis extending in the one direction with respect to the first support.

Abstract: A highly reliable light-emitting device is provided. Damage to an element due to externally applied physical power is suppressed. Alternatively, in a process of pressure-bonding of an FPC, damage to a resin and a wiring which are in contact with a flexible substrate due to heat is suppressed. A neutral plane at which stress-strain is not generated when a flexible light-emitting device including an organic EL element is deformed, is positioned in the vicinity of a transistor and the organic EL element. Alternatively, the hardness of the outermost surface of a light-emitting device is high. Alternatively, a substrate having a coefficient of thermal expansion of 10 ppm/K or lower is used as a substrate that overlaps with a terminal portion connected to an FPC.

Abstract: A novel functional panel that is highly convenient, useful, or reliable is provided. The functional panel includes a base material and a pair of pixels, and the base material covers the pair of pixels and has a light-transmitting property. The pair of pixels includes one pixel and another pixel, and the one pixel includes a light-emitting device and a first microlens. The light-emitting device emits light toward the base material, and the first microlens is interposed between the base material and the light emission and converges light. The first microlens includes a first surface and a second surface; the second surface is closer to the light-emitting device than the first surface is; and the second surface has a smaller radius of curvature than the first surface. The other pixel includes a photoelectric conversion device and a second microlens. The second microlens is interposed between the base material and the photoelectric conversion and converges external light incident from the base material side.

Abstract: Display unevenness in a display panel is suppressed. A display panel with a high aperture ratio of a pixel is provided. The display panel includes a first pixel electrode, a second pixel electrode, a third pixel electrode, a first light-emitting layer, a second light-emitting layer, a third light-emitting layer, a first common layer, a second common layer, a common electrode, and an auxiliary wiring. The first common layer is positioned over the first pixel electrode and the second pixel electrode. The first common layer has a portion overlapping with the first light-emitting layer and a portion overlapping with the second light-emitting layer. The second common layer is positioned over the third pixel electrode. The second common layer has a portion overlapping with the third light-emitting layer.

Abstract: The display system for remote control of a working machine includes a plurality of camera units and an image processing device, both provided on or in a working machine, and a display device and a remote control device, both provided in the remote control side. The display device detects movement of the head of an operator and transmits the detected movement of the head of the operator to the remote control device. The remote control device transmits, to the image processing device over wireless communications, the movement of the head of the operator transmitted from the display device. The image processing device adjusts, for transmission to the display device, parts of left-eye and right-eye panoramic images according to the movement of the head of the operator transmitted from the remote control device.