Japan Display Inc.

Kabushiki Kaisha Toshiba

Toshiba Matsushita Display Technology Co., Ltd.

Japan Display Central Inc.

Makoto Shibusawa

Hiroyuki Kimura

Hiroshi Tabatake

Tetsuo Morita

Yutaka Umeda

Yasuhiro Ogawa

Takashi Nakamura

Hirotaka Hayashi

Masahiro Tada

Yoshiro Aoki

Miyuki Ishikawa

Kazuyoshi Omata

Hideo Kawano

Tetsuya Iizuka

Akira Kubo

Atsushi Sugahara

Kazushige Mori

Masayuki Dohjo

Tamio Nakai

Hiroshi Nakayama

Tomomasa Ueda

Masahiko Akiyama

Mitsushi Ikeda

Masahiro Seiki

Yoshiko Tsuji

Hisao Toeda

Yasunori Miura

Yoshihiro Aoki

Hisaaki Hayashi

Hirondo Nakatogawa

Ilin Wu

Duzen Peng

Toyoki Higuchi

According to one embodiment, a display apparatus includes a plurality of semiconductor layers, a first insulation film, a first conductive layer, a second insulation film and a display element includes a second conductive layer. The first conductive layer and the second conductive layer are opposed to each other to form a capacitance unit.

Display apparatus

According to one embodiment, a lateral-electric-field liquid crystal display device includes a light-emitting display layer including OLEDs and a driving circuit controlling light emission of the OLEDs, a moisture impermeable film provided to be laminated on the light-emitting display layer to prevent infiltration of moisture into the light-emitting display layer, an optical substrate provided separately from the moisture impermeable film and subjecting light from the light-emitting display region to optical processing, a first touch electrode group serving as one electrode group of touch electrodes and provided on a back surface of the optical substrate, and an extraction electrode group formed to be laminated on the moisture impermeable film, the extraction electrode group and the optical substrate have an overlapping part in plan view, and electrodes of the first touch electrode group being electrically connected to electrodes of the extraction electrode group in the overlapping part.

Display device

Provided is a display device including: a capacitor having a first electrode, a first insulating film over the first electrode, and a second electrode over the first insulating film; and a first transistor over the capacitor. The first transistor includes the second electrode a second insulating film over the second electrode, an oxide semiconductor film over the second insulating film, and a first source electrode and a first drain electrode over the oxide semiconductor film. The first source electrode and the first drain electrode are electrically connected to the oxide semiconductor film.

Circuit substrate

Provided is a display device including a plurality of pixels at least one of which has a first transistor and a light-emitting element. The first transistor includes a gate electrode, a gate insulating film over the gate electrode, an oxide semiconductor film over the gate insulating film, and a first terminal and a second terminal electrically connected to the semiconductor film. The second terminal is electrically connected to the light-emitting element. A region in which the first terminal overlaps with the gate electrode can be smaller than a region in which the second terminal overlaps with the gate electrode.

Pixel circuit

A multi-piece substrate integrally having a plurality of product regions each provided with a light-emitting element driven by a current and a blank region adjacent to each of the plurality of product regions is prepared. The current is passed through a cathode pad and an anode pad to inspect the light-emitting element. A plurality of display panels are cut out from the multi-piece substrate so as to respectively correspond to the plurality of product regions. The multi-piece substrate includes a plurality of first test pads disposed in each of the plurality of product regions for inspecting the light-emitting element, and a plurality of second test pads disposed in the blank region for inspecting the light-emitting element. The cathode pad and the anode pad are included in the plurality of first test pads and are not included in the plurality of second test pads.

Display apparatus including negative electrode pads and positive electrode pads that are included in first inspection pads but not in second inspection pads

Provided is a display device including: a capacitor having a first electrode, a first insulating film over the first electrode, and a second electrode over the first insulating film; and a first transistor over the capacitor. The first transistor includes the second electrode, a second insulating film over the second electrode, an oxide semiconductor film over the second insulating film, and a first source electrode and a first drain electrode over the oxide semiconductor film. The first source electrode and the first drain electrode are electrically connected to the oxide semiconductor film.

Disclosed is a display device including: a driving transistor, a first switching transistor, and a pixel transistor each having a gate and a pair of terminals; a storage capacitor having a pair of terminals; and a light-emitting element having an input terminal and an output terminal. One terminal of the driving transistor is electrically connected to one terminal of the pixel transistor. The other terminal of the driving transistor is electrically connected to one terminal of the first switching transistor and the input terminal of the light-emitting element. The other terminal of the first switching transistor is electrically connected to the gate of the driving transistor and one terminal of the capacitor. The one terminal of the capacitor overlaps with an active region of the driving transistor.

A display device including a drive transistor, a first capacitor, a first switching element, and a light emitting element, wherein the drive transistor has a first electrode connected to a first node, a second electrode connected to a second node, and a third electrode connected to a third node, one electrode of a first capacitor element is formed from a first conductive layer arranged in the same layer as the second electrode of the drive transistor, and is connected to the first node, another electrode of the first capacitor element is formed from a semiconductor layer arranged in the same layer as an active layer of the drive transistor, and is connected to the second node, the first capacitor element is connected between the first node and the third node, and the light emitting element includes a pixel electrode electrically connected to the third node, and a first common electrode.

Display device with a light emitting element

Growing community of inventors

Tokyo, Japan

Makoto Shibusawa