Sharp Kabushiki Kaisha Corporation

Akihiro Matsui

Tohru Sonoda

Takashi Ochi

Jumpei Takahashi

Takeshi Hirase

Tohru Senoo

Hisao Ochi

Yoshinobu Miyamoto

Katsunori Misaki

Tetsuya Fujikawa

Hiroyasu Inoue

Manabu Sawasaki

Takashi Takagi

Tomonori Tanose

Masahiro Kihara

Masahiro Ikeda

Seiji Doi

Atuyuki Hoshino

Naoto Kondo

Shiro Hirota

Hidetoshi Sukenori

Tomoshige Oda

Akira Komorita

Takuya Saguchi

Takeshi Yaneda

Atsuyuki Hoshino

Hideya Hashii

An organic EL display device includes an organic EL element disposed on a flattening film, and a sealing film disposed over the organic EL element, a display region, and a frame region disposed around the display region. The frame region includes a plurality of mask spacers. The flattening film has a recess disposed between the display region and the mask spacers adjacent to the display region. The recess is filled with an organic film.

Display device and manufacturing method therefor

A display device includes: a base substrate; a TFT layer; a plurality of light-emitting elements; a sealing portion; a display region; and a frame region, wherein the sealing portion includes a first sealing film provided on the plurality of light-emitting elements, a second sealing film provided above the first sealing film, a third sealing film provided above the second sealing film, and a light-transmissive conductive film provided between two sealing films of the first sealing film, the second sealing film, and the third sealing film, an edge of the first sealing film and an edge of the third sealing film are positioned outward of an edge of the second sealing film in the frame region, and the light-transmissive conductive film is electrically connected to a first electrodes or a second electrode.

Display device with light-transmissive conductive film between sealing films

A display device includes a TFT substrate including a flattening layer on a surface, a sealing film including a resin film that is an ink-jet resin film, and a first bank that surrounds the flattening layer, is covered with the resin film on an inner side, and has a frame shape. The flattening layer includes, on an entire periphery of a circumferential end portion thereof, a recessed and protruding portion provided with recesses and protrusions having sizes different on a first side and a second side in a plan view.

Display device and production method therefor

Each of lead wiring lines that constitutes a TFT layer and is provided to extend parallel to each other in a frame region extends to intersect with a perimeter edge surface of a first organic film that constitutes the TFT layer and is provided on each of the lead wiring lines. A second organic film is provided to cover a lower portion of the perimeter edge surface of the first organic film and each of the lead wiring lines on a side of the perimeter edge surface of the first organic film, the lead wiring lines extending from the perimeter edge surface of the first organic film.

Display device including lead wiring lines covered by first and second organic films, and production method therefor

A display wiring line provided on a resin substrate layer, a flattening film covering the display wiring line, and an organic EL element provided on the flattening film are provided. The display wiring line includes first to third conductive layers layered sequentially from the resin substrate layer side. In the display wiring line, the second conductive layer is formed with a width smaller than a width of each of the first conductive layer and the third conductive layer, and a portion of a perimeter edge surface corresponding to the second conductive layer includes a recessed portion, and a resin cover covering a perimeter edge surface of the second conductive layer is provided in the recessed portion in a portion of the display wiring line exposed from the flattening film.

Display device and method for manufacturing display device

An organic EL display device is provided with an eaves body that includes a protruding portion outside a display region on a TFT substrate, along an edge portion on which a first inorganic layer and a second inorganic layer of a sealing film are provided. The first inorganic layer and the second inorganic layer cover the protruding portion and are split apart below the protruding portion facing a wall surface of the eaves body.

Display apparatus and method for manufacturing same

An organic EL display device including: a base substrate; an organic EL element formed on the base substrate, and including a plurality of organic EL layers arranged in a matrix shape; and a sealing film formed on the organic EL element, wherein a plurality of subpixels are defined in association with the plurality of organic EL layers, and a plurality of grooves are formed in the sealing film through the interstices among the plurality of subpixels, and a foreign-matter contact portion configured to be in contact with a foreign matter existing on the organic EL element is formed in the sealing film.

Display device

An organic EL display device includes an organic EL element and a sealing film. The organic EL element is formed over a display region of a base substrate. The sealing film covers the organic EL element. The sealing film includes a first barrier layer, a buffer layer, and a second barrier layer. The first barrier layer includes a first inorganic film and is disposed on the surface of the organic EL element. The buffer layer includes an organic film and is disposed on the surface of the first barrier layer. The second barrier layer includes a second inorganic film and is disposed on the surface of the buffer layer. The first barrier layer includes micropores in the surface, the surface being in contact with the buffer layer.

Organic EL display device

A bank (BK) and a bank (BK) having a height less than a height of the bank (BK) are intermittently provided on a bank (BK) covering a peripheral portion of each first electrode () of a light emitting element.

A method of manufacturing a display device includes a step of forming a first inorganic film constituting a sealing film and a step of forming an organic film constituting the sealing film. Between these steps, the method further includes a foreign matter inspection step of inspecting a substrate surface on which the first inorganic film has been formed and identifying the location of a foreign matter adhering to the substrate surface, and a partial ejection step of using an ink-jet method to eject ink to be formed a part of the organic film at the location of the foreign matter on the substrate surface identified in the foreign matter inspection step.

Method of manufacturing display device

OLED elements and a seal portion covering the OLED elements are provided on an upper side of a base substrate. The seal portion includes a light-transmitting conductive film.

OLED panel

An organic EL display device includes a base substrate, an organic EL element provided on the base substrate and including a plurality of organic EL layers arranged in a matrix form, a sealing film provided on the organic EL element, and a plurality of sub pixels defined corresponding to the plurality of organic EL layers. The sealing film is provided with a groove formed to run between adjacent ones of the plurality of sub pixels.

Organic EL display device and method for producing same

An electro-optical device includes a circuit substrate including a flattening layer provided on a surface of the circuit substrate, at least one electro-optical element provided on the flattening layer, a sealing film configured to seal the electro-optical element and including at least a resin layer, and a frame-shaped bank surrounding the flattening layer and covered by the resin layer on an inner side of the frame-shaped bank. In a plan view, an unevenness is provided at a peripheral edge of the flattening layer facing the frame-shaped bank.

Electro-optical device and manufacturing method thereof

In an organic EL display device, a taper angle of a separation layer surrounding edges of an organic EL layer disposed in each pixel and being disposed between adjacent pixels is different from a taper angle of a frame-shaped bank surrounding edges of an organic layer. As a result, qualities required for layers surrounded by the separation layer and the frame-shaped bank respectively are satisfied.

Organic EL display device and organic EL display device manufacturing method

Provided is a method for manufacturing an organic EL display device, including forming a sealing film to cover an organic EL element. The forming a sealing film includes forming a first inorganic layer to cover the organic EL element, forming a partition on the first inorganic layer, forming an organic layer on the first inorganic layer by applying an organic material inward from the partition on a surface of the first inorganic layer, removing the partition, and forming a second inorganic layer on the first inorganic layer to cover the organic layer.

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Sakai, Japan

Akihiro Matsui