Abstract: A high-resolution display device is provided.

Abstract: A high-resolution display apparatus having a function of sensing light is provided. A high-definition display apparatus having a function of sensing light is provided. The display apparatus includes a first light-emitting device, a second light-emitting device, a third light-emitting device, a first light-receiving device, and a second light-receiving device in a first pixel. The first light-emitting device has a function of emitting red light. The second light-emitting device has a function of emitting green light. The third light-emitting device has a function of emitting blue light. The first light-receiving device has a function of sensing light emitted from at least one of the three light-emitting devices. The second light-receiving device has a function of sensing infrared light.

Abstract: A multifunctional display apparatus with high resolution is provided. The display apparatus includes a first pixel; the first pixel includes a first light-emitting device, a second light-emitting device, and a first light-receiving device; the first light-emitting device includes a first light-emitting layer; the second light-emitting device includes a second light-emitting layer; the second light-emitting device has a function of emitting white light; the first light-emitting device has a function of emitting visible light of a color different from that of the second light-emitting device; the first light-receiving device has a function of sensing light emitted from the first light-emitting device; a side surface of the first light-emitting layer faces a side surface of the second light-emitting layer; and the distance between the side surface of the first light-emitting layer and the side surface of the second light-emitting layer is less than or equal to 8 ?m.

Abstract: A high-resolution display device is provided. A display device having both high display quality and high resolution is provided. The display device includes a first light-emitting element and a second light-emitting element. The first light-emitting element includes a first pixel electrode, a first EL layer, and a common electrode. The second light-emitting element includes a second pixel electrode, a second EL layer, and the common electrode. An insulating layer containing an inorganic insulating material is provided between the first pixel electrode and the second pixel electrode. The insulating layer includes a first region overlapping with the first EL layer, a second region overlapping with the second EL layer, and a third region positioned between the first region and the second region. A side surface of the first EL layer and a side surface of the second EL layer are positioned over the insulating layer to face each other.

Abstract: A semiconductor device with favorable electrical characteristics is provided. A semiconductor device with stable electrical characteristics is provided. The semiconductor device includes a first insulating layer, a second insulating layer, a third insulating layer, a fourth insulating layer, a semiconductor layer, and a first conductive layer. The second insulating layer is positioned over the first insulating layer and the island-shaped semiconductor layer is positioned over the second insulating layer. The second insulating layer has an island shape having an end portion outside a region overlapping with the semiconductor layer. The fourth insulating layer covers the second insulating layer, the semiconductor layer, the third insulating layer, and the first conductive layer, is in contact with part of a top surface of the semiconductor layer, and is in contact with the first insulating layer outside the end portion of the second insulating layer.

Abstract: A semiconductor device with favorable electrical characteristics is to be provided. A highly reliable semiconductor device is to be provided. A semiconductor device with lower power consumption is to be provided. The semiconductor device includes a gate electrode, a first insulating layer over the gate electrode, a metal oxide layer over the first insulating layer, a pair of electrodes over the metal oxide layer, and a second insulating layer over the pair of electrodes. The first insulating layer includes a first region and a second region. The first region has a region being in contact with the metal oxide layer and containing more oxygen than the second region. The second region has a region containing more nitrogen than the first region. The metal oxide layer has at least a concentration gradient of oxygen in a thickness direction, and the concentration gradient becomes high on a first region side and on a second region side.

Abstract: A display device with high display quality is provided. A highly reliable display device is provided. A display device with low power consumption is provided. A display device that can easily achieve higher resolution is provided. A display device with both high display quality and high resolution is provided. A display device with high contrast is provided. The display device includes a first conductive layer, a first insulating layer over the first conductive layer, a second conductive layer including a first region over the first insulating layer and a second region in an opening provided in the first insulating layer, a second insulating layer over the first insulating layer, a third insulating layer over the second region, an EL layer including a third region over the first region, a fourth region over the second insulating layer, and a fifth region over the third insulating layer, and a third conductive layer over the EL layer.

Abstract: A display device includes a liquid crystal element, a transistor, a scan line, and a signal line. The liquid crystal element includes a pixel electrode, a liquid crystal layer, and a common electrode. The scan line and the signal line are each electrically connected to the transistor. The scan line and the signal line each include a metal layer. The transistor is electrically connected to the pixel electrode. A semiconductor layer of the transistor includes a stack of a first metal oxide layer and a second metal oxide layer. The first metal oxide layer includes a region with lower crystallinity than the second metal oxide layer. The transistor includes a first region connected to the pixel electrode. The pixel electrode, the common electrode, and the first region are each configured to transmit visible light. Visible light passes through the first region and the liquid crystal element and exits from the display device.

Abstract: A high-resolution or high-definition display apparatus is provided. The display apparatus includes a first light-emitting device and a second light-emitting device. The first light-emitting device includes a first conductive layer, a second conductive layer over the first conductive layer, a first light-emitting layer over the second conductive layer, and a common electrode over the first light-emitting layer. The second light-emitting device includes a third conductive layer, a fourth conductive layer over the third conductive layer, a second light-emitting layer over the fourth conductive layer, and the common electrode over the second light-emitting layer.

Abstract: A semiconductor device having favorable electrical characteristics is provided. A highly reliable semiconductor device is provided. The semiconductor device includes a first transistor, a second transistor, a first insulating layer, and a second insulating layer. The first transistor includes a first semiconductor layer, a first gate insulating layer, and a first gate electrode. The first semiconductor layer includes a metal oxide. The second transistor includes a second semiconductor layer, a second gate insulating layer, and a second gate electrode. The second semiconductor layer includes crystalline silicon. The first insulating layer includes a region overlapping with the first transistor with the second insulating layer therebetween. The second insulating layer includes a region overlapping with the second transistor with the first insulating layer therebetween. The second insulating layer has higher film density than the first insulating layer.

Abstract: A high-resolution or high-definition display device is provided. The display device includes a first light-emitting device and a second light-emitting device. The first light-emitting device includes a first pixel electrode, a first hole-injection layer, a first hole-transport layer, a first light-emitting layer, a first electron-transport layer, a second electron-transport layer, and a common electrode that are stacked in this order. The second light-emitting device includes a second pixel electrode, a second hole-injection layer, a second hole-transport layer, a second light-emitting layer, a third electron-transport layer, a second electron-transport layer, and a common electrode that are stacked in this order. The first light-emitting device and the second light-emitting device have a function of emitting light of different colors from each other.

Abstract: A method for manufacturing a display device that can easily achieve higher resolution is provided. A display device having both high display quality and high resolution is provided. A first EL film is deposited over a first pixel electrode, a first sacrificial film is formed to cover the first EL film and a first electrode, and the first sacrificial film and the first EL film are etched, so that a first EL layer is formed over the first pixel electrode. Then, the first sacrificial film is removed to expose the first electrode. Furthermore, a common electrode is formed over the first EL layer and the first electrode. The first EL film is etched by dry etching, and the first sacrificial film is removed by wet etching.

Abstract: A high-resolution display device and a fabrication method thereof are provided. The display device includes a first insulating layer; a light-emitting element and a first conductive layer over the first insulating layer; a first layer over the first conductive layer; a second conductive layer over the first layer; a second insulating layer over the light-emitting element, the second conductive layer, and the first insulating layer; and a third conductive layer over the second insulating layer. The light-emitting element includes a fourth conductive layer, a second layer over the fourth conductive layer, a third layer over the second layer, and a fifth conductive layer over the third layer.

Abstract: Manufacturing equipment of a light-emitting device with which steps from formation to sealing of a light-emitting element can be successively performed can be provided. In the manufacturing equipment of a light-emitting device, a deposition step, a lithography step, an etching step, and a sealing step by forming a protective layer for forming an organic EL element can be successively performed, whereby a downscaled organic EL element achieving high luminance and high reliability can be formed. Moreover, the manufacturing equipment can have an in-line system where apparatuses are arranged in the order of process steps for the light-emitting device, resulting in high throughput manufacturing.

Abstract: Manufacturing equipment of a display device that is capable of successively performing steps from formation of a pixel circuit up to formation of a light-emitting element is provided. The manufacturing equipment includes a manufacturing apparatus of a light-emitting device that is capable of successively performing a film formation step, a lithography step, an etching step, and a sealing step for formation of an organic EL element and a manufacturing apparatus for formation of a pixel circuit that drives the organic EL element. Formation from the pixel circuit up to the organic EL element can be performed successively, so that a display device with a high yield and high reliability can be formed.

Abstract: A display device with high display quality is provided. A highly reliable display device is provided. A display device with low power consumption is provided. A display device that can easily achieve a higher resolution is provided. A display device with both high display quality and a high resolution is provided. A display device with high contrast is provided. The display device includes an insulating layer, a first lower electrode, a first EL layer over the first lower electrode, a second lower electrode, a second EL layer over the second lower electrode, and an upper electrode over the first EL layer, over the second EL layer, and over the insulating layer.

Abstract: A high-resolution display device is provided. A display device with both high display quality and high resolution is provided. The display device includes a first light-emitting element and a second light-emitting element. The first light-emitting element includes a first pixel electrode, a first EL layer, and a common electrode. The second light-emitting element includes a second pixel electrode, a second EL layer, and the common electrode. An insulating layer is included between the first pixel electrode and the second pixel electrode. The insulating layer includes a first region overlapping with the first EL layer, a second region overlapping with the second EL layer, and a third region positioned between the first region and the second region. A side surface of the first EL layer and a side surface of the second EL layer are positioned over the insulating layer and are provided to face each other.

Abstract: A high-resolution or high-definition display device is provided.

Abstract: A high-resolution display device is provided. A display device having both high display quality and high resolution is provided. The display device includes a plurality of first light-emitting elements and a plurality of second light-emitting elements. The first light-emitting element comprises a first pixel electrode, a first EL layer, a common layer, and a common electrode. The second light-emitting element comprises a second pixel electrode, a second EL layer, the common layer, and the common electrode. The first EL layer and the second EL layer are provided to be apart from each other, and a side surface of the first EL layer and a side surface of the second EL layer are provided to face each other. A first light-emitting unit, a first intermediate layer, and a second light-emitting unit are stacked in the first EL layer. A third light-emitting unit, a second intermediate layer, and a fourth light-emitting unit are stacked in the second EL layer.

Abstract: The display device includes a first substrate provided with a driver circuit region that is located outside and adjacent to a pixel region and includes at least one second transistor which supplies a signal to the first transistor in each of the pixels in the pixel region, a second substrate facing the first substrate, a liquid crystal layer between the first substrate and the second substrate, a first interlayer insulating film including an inorganic insulating material over the first transistor and the second transistor, a second interlayer insulating film including an organic insulating material over the first interlayer insulating film, and a third interlayer insulating film including an inorganic insulating material over the second interlayer insulating film. The third interlayer insulating film is provided in part of an upper region of the pixel region, and has an edge portion on an inner side than the driver circuit region.