Sharp Kabushiki Kaisha Corporation

Yoshihiro Nakada

Akira Inoue

Tohru Okabe

Ryosuke Gunji

Shinsuke Saida

Hiroharu Jinmura

Shinji Ichikawa

Hiroki Taniyama

Koji Tanimura

Yoshihiro Kohara

Kohji Ariga

Takeshi Yaneda

Shoji Okazaki

Tokuo Yoshida

Contact holes related to routed wires electrically connected to data signal lines running through the corner portions of a display region are larger in number than contact holes related to routed wires electrically connected to data signal lines running through the center portion of the display region.

Display device

A display device includes: a sealing film provided so as to cover light-emitting elements at least partially constituting a display area and including a first inorganic film, an organic film, and a second inorganic film stacked in this order; and a first damming wall in a frame area around the display area, the first damming wall surrounding the display area and overlapping a peripheral portion of the organic film, wherein at least one inorganic insulation film in a TFT layer has an upwardly open, first opening at least in a part of an area between the display area and the first damming wall, and the organic film is provided so as to fill in the first opening.

Display device and method of manufacturing same

A display device includes: a base substrate; a thin-film transistor layer provided on the base substrate, a light-emitting element layer provided on the thin-film transistor layer; and a sealing film provided on the light-emitting element. Each of light-emitting elements includes: a first electrode; a functional layer; and a second electrode stacked on top of another in a stated order. The display device includes: a display region; a frame region; and a non-display region. The non-display region includes a through hole. The display device includes a separation wall shaped into a frame and provided to the non-display region along an edge of the through hole. The separation wall includes: a first resin layer: and a first metal layer provided on the first resin layer. The first metal layer includes a first protrusion shaped into a canopy, and protruding from the first resin layer toward the display region.

Display device including separation wall having canopy-shaped metal layer

A separation wall is provided in a frame-like shape along a peripheral edge of a through-hole in a non-display region which is defined to be in an island shape inside a display region and in which the through-hole is formed, the separation wall includes an inner metal layer provided in a frame-like shape on a first inorganic insulating film on a side of the through-hole, and a resin layer provided in a frame-like shape on the first inorganic insulating film and the inner metal layer, and the resin layer includes an inner protrusion portion provided in an eaves shape and protruding from the inner metal layer.

Display device with a common function layer separated into a display side and a through-hole side

A TFT layer and an organic EL element layer are provided in this order on a resin substrate layer, the TFT layer includes source wiring lines, high-level power source wiring lines, conductive portions including connection wiring lines between TFTs, and a flattening film covering the conductive portions provided on the interlayer insulating film, a frame region is provided with a bending portion including a portion where a slit is formed in an inorganic insulating film including the interlayer insulating film, and a flattening auxiliary film is provided between each adjacent ones of the conductive portions, formed of a material identical to a material of the frame flattening film that fills the slit of the bending portion, in a layer identical to a layer of the frame flattering film, and covered with the flattening film together with the conductive portions.

Display device including bending portion with frame flattening film and slits

A display device according to an aspect of the disclosure includes a first metal protrusion being in contact with a first power-source trunk wire, and a second metal protrusion being in contact with a second power-source trunk wire. A first bank defining the end of an organic sealing film includes the first metal protrusion, the second metal protrusion, and a first resin protrusion. The first resin protrusion overlaps the first and second metal protrusions. The first resin protrusion has a frame shape.

A separation wall is provided in a frame shape along a circumferential edge of a through-hole in a non-display region, in which the through-hole is formed, defined in an island shape inside a display region. The separation wall includes a wall base portion provided in a frame shape by a part of a second interlayer insulating film and a resin layer provided in an eave shape on the wall base portion to extend to a through-hole side and a display region side. Opening portions opening upward are provided on peripheries of the wall base portion on the through-hole side and the display region side in the second interlayer insulating film.

Frame wiring lines are provided in a frame region, a flattening film in which a frame-shaped slit is formed in the frame region is provided in the display region and the frame region, a plurality of first electrodes constituting light-emitting elements are provided on the flattening film, and conductive layer made of the same material and formed in the same layer as those of each of the plurality of first electrodes are provided covering at least end faces of the frame wiring lines exposed from the slit.

An organic EL display () has a bend (B) where a slit () is bored in a base coat film (), gate insulating film (), first interlayer insulating film () and second interlayer insulating film (). The bend is provided with a filler layer () filling the slit and covering both edges of the slit. The filler layer has a protrusion () overlapping each edge in the width direction of the slit. A routed wire () routed from the display region (D) and then routed over the filler layer to reach a terminal section (T) extends over the protrusion.

Display device and method for manufacturing same

A display device includes: a plurality of control lines; a plurality of power supply lines; a plurality of data signal lines; an oxide semiconductor layer; a first metal layer; a gate insulation film; a first inorganic insulation film; a second metal layer; a second inorganic insulation film; and a third metal layer. The oxide semiconductor layer, in a plan view, contains therein semiconductor lines formed as isolated regions between a plurality of drivers and a display area. The semiconductor lines cross the plurality of control lines and the plurality of power supply lines, are in contact with the plurality of control lines via an opening in a gate insulation film, are in contact with the plurality of power supply lines via an opening in the first inorganic insulation film, and have a plurality of narrowed portions, such that thicker and thinner regions exist along the same line.

Display device with reduced occurrences of electrostatic discharge

A first conductive layer in the same layer as that of a first electrode is coupled to a third conductive layer and a second electrode in the same layer as that of a third metal layer through a slit formed in a flattening film of a non-display area. Second conductive layers in the same layer as that of a second metal layer are provided to overlap with the slit.

An active matrix substrate including a resin substrate including a plurality of external connection terminals arranged near a display region, the active matrix substrate includes: a plurality of first lead wires each extending from one of the external connection terminals to the display region; and a plurality of second lead wires each extending from one of the external connection terminals to a separation line, the second lead wires being arranged with an arrangement pitch along the separation line, and the arrangement pitch of the second lead wires being greater than an arrangement pitch of the first lead wires.

Active matrix substrate, display device, and motherboard

A display device includes: a resin substrate; a TFT layer; and a light-emitting element. A bending portion is provided with a first resin film formed of the same material and in the same layer as those of a first flattening film, and the first resin film fills a slit. An upper face of the first resin film is provided with a plurality of first connection wiring lines formed of a third metal film, and the plurality of first connection wiring lines extend in parallel to each other in a direction intersecting the extending direction of the bending portion. The plurality of first connection wiring lines are electrically connected to a plurality of first lead-out wiring lines, respectively in a display region side of the slit, and electrically connected to a plurality of second lead-out wiring lines, respectively in a terminal portion side of the slit.

In the display device according to the disclosure, a first bank includes a first bank lower portion in the same layer as a flattening film and a first bank upper portion in the same layer as an edge cover. A second bank includes a second bank lower portion in the same layer as the flattening film and a second bank upper portion in the same layer as the edge cover. The first bank upper portion covers an upper surface and a side surface of the first bank lower portion, the side surface being on a side close to a display region. An inclination angle of a side surface of the first bank upper portion on a side close to the display region is larger than an inclination angle of the side surface of the first bank lower portion on the side close to the display region.

The disclosure has an object to achieve a high level of height precision for spacers on a back plane. A display device includes: edge covers having a plurality of openings in which first electrodes are exposed; and a planarization film having first flat portions, second flat portions, and contact holes. The plurality of openings respectively overlap the first flat portions in a plan view. The second flat portions are located between the plurality of openings in a plan view. Each edge cover overlapping one of the first flat portions in a plan view has, on a second electrode side, a surface that has a first height from a bottom surface of the planarization film on a substrate side. Each second flat portion has, on the second electrode side, a surface that has a second height from the bottom surface. The first height is smaller than the second height.

Growing community of inventors

Yonago, Japan

Yoshihiro Nakada