Japan Display Inc.

Toshiba Matsushita Display Technology Co., Ltd.

Magnolia White Corporation

Japan Display Central Inc.

Hiroshi Tabatake

Hiroyuki Kimura

Makoto Shibusawa

Tetsuo Morita

Yasuhiro Ogawa

Hideyuki Takahashi

Kazuyoshi Omata

Sho Yanagisawa

Akihito Sato

Kenji Harada

Hiroshi Nakayama

Tetsuya Iizuka

Masumi Nishimura

Yutaka Umeda

Tetsuya Kawamura

Toshinari Sasaki

Kenji Nakao

Masato Nakamura

Shinichi Kawamura

Naoki Tokuda

Keiji Tago

Kazuhiro Odaka

Katsuhiko Inada

Masayuki Kato

Nobuo Imai

Mitsuhiro Yamamoto

Atsushi Takeda

Akihiro Takami

Kazuyuki Harada

According to one embodiment, a display device includes a substrate, an insulating layer, a lower electrode, a rib including an aperture and covering a periphery of the lower electrode, a partition above the rib, an upper electrode being in contact with the partition, and an organic layer between the electrodes. The organic layer includes a first organic layer that is in contact with the lower electrode through the aperture, and a second organic layer on the partition. At least a part of the periphery of the lower electrode is located between the insulating layer and the partition in a thickness direction of the insulating layer.

Display device

According to one embodiment, a display device includes a base, a display unit containing pixels, a power supply circuit, a touch controller and a switching circuit disposed between the display unit, the power supply circuit and the touch controller. The pixels each includes a pixel circuit and a display element including a lower electrode connected to the pixel circuit, an upper electrode disposed to oppose the lower electrode and an organic layer including a light-emitting layer disposed between the lower electrode and the upper electrode. The upper electrode is connected to the switching circuit, and the switching circuit selectively switches between connecting the upper electrode to the power supply circuit and connecting the upper electrode to the touch controller.

A display device includes at least one pixel including a plurality of sub-pixels, and a linear sensor electrode extending along a boundary of the plurality of sub-pixels and surrounding a periphery of the at least one pixel. The sensor electrode has at least one cut-off portion at the boundary of the plurality of sub-pixels. The sensor electrode can include a first sensor electrode extending along the boundary of a plurality of sub-pixels and a second sensor electrode that surrounds the periphery of at least one pixel continuous from the first sensor electrode, and the cut-off portion can be located at the boundary of the first sensor electrode with the second sensor electrode.

According to one embodiment, a display device includes a base, a wiring layer disposed on the base, and in which a plurality of wiring lines are disposed, a display element disposed on the wiring layer and including an organic layer and a metal wiring line disposed to surround the display element, and the wiring layer includes a first portion in which wiring lines are densely arranged and a second portion in which wiring lines are sparsely arranged, and a width of a portion of the metal wiring line, which is disposed on a side of the second portion is greater than a width of a portion of the metal wiring line, disposed on a side of the first portion.

According to one embodiment, a display device comprising a base, a first insulating layer, a first lower electrode, a second lower electrode, a first wiring, a second insulating layer disposed on the first wiring, a first organic layer disposed on the first lower electrode, a second organic layer disposed on the second lower electrode, a first separation wall disposed on the second insulating layer, and an upper wiring disposed continuously on the first organic layer, the second organic layer, and the first separation wall, wherein the upper wiring is electrically connected to the first wiring via a contact hole that penetrates the first separation wall and the second insulating layer.

According to one embodiment, a display device includes a base, a first insulating layer, a first pixel electrode on the first insulating layer in a pixel, a second pixel electrode on the first insulating layer in a dummy pixel, a second insulating layer on the first insulating layer, a first organic layer in the pixel and in contact with the first pixel electrode, a second organic layer in the dummy pixel, a partition wall on the second insulating layer and between the organic layers and a common electrode covering the organic layers and the partition wall. An end portion of the first organic layer is in contact with a side surface of the partition wall.

Display device with dummy pixel located in peripheral area

A display device includes: pixel electrodes; a first insulation layer having openings corresponding to the respective plurality of pixel electrodes, the first insulation layer being on each periphery of the plurality of pixel electrodes; a second insulation layer on an upper surface of the first insulation layer except for a part thereof; and an electroluminescence layer including light-emitting layers overlapping with the pixel electrodes. Each of the light-emitting layers and another one of the light-emitting layers in different light-emitting colors are adjacent to each other, constituting a pair of different-color-emitting layers. The openings include a pair of different-color openings that overlap with the respective pair of different-color-emitting layers. The second insulation layer is at least between the pair of different-color openings and is adjacent to each of the pair of different-color openings entirely along mutually opposed sides of the pair of different-color openings.

Display device and manufacturing method therefor

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 display device includes a substrate, first and second insulating layers, first and second pixel electrodes, first and second organic layers, first and second feed lines, first and second partitions, and a common electrode including first and second parts covering the first and second organic layers. The first organic layer is between the partitions. The second feed line and the second partition are located between the organic layers. The partitions are shaped such that a width of an upper part is greater than a width of a lower part. The first part is in contact with the first feed line between the first partition and the first organic layer.

According to one embodiment, a display device includes a substrate, a circuit layer including a metal-made feed line in a surrounding area, an insulating layer covering the circuit layer, a lower electrode, a rib, a partition above the rib, an upper electrode connected to the partition, an organic layer between the electrodes and a conductive layer connected to the partition. The partition and the conductive layer each includes a metal-made lower portion and an upper portion protruding from a side surface of the lower portion. The lower portion of the conductive layer and the feed line are in contact with each other in the first contact portion in the surrounding area.

Provided is a display device including a first dam surrounding the display area, a second dam surrounding the first dam, a first sensor electrode and a second sensor electrode overlapping the display area, a first sensor wiring and a second sensor wiring over the first dam and electrically connected to the first sensor electrode and the second sensor electrode, respectively, a first wiring under the second dam and electrically connected to the first sensor wiring at a first contact portion, and a second wiring under the second dam and electrically connected to the second sensor wiring at a second contact portion.

A drive circuit includes a holding capacitor, an element capacitor, and an additional capacitor interposed between one of the source and the drain, and one of the high-potential line and the low-potential line. The drive circuit configured to drive the first light emitter includes a first element capacitor as the element capacitor and a first additional capacitor as the additional capacitor. The driving circuit configured to drive the second light emitter includes a second element capacitor as the element capacitor and a second additional capacitor as the additional capacitor. The first element capacitor is larger in capacitance than the second element capacitor. The first additional capacitor is smaller in capacitance than the second additional capacitor.

According to one embodiment, a display device includes a substrate, a pixel circuit, an insulating layer including a contact hole, a lower electrode connected to the pixel circuit via the contact hole, an upper electrode, an organic layer between the lower electrode and the upper electrode, a rib formed of an inorganic material and including an aperture, and a partition above the rib. The organic layer includes a first organic layer in contact with the lower electrode via the aperture and a second organic layer located on the partition and spaced apart from the first organic layer. The partition overlaps an entire of the contact hole in plan view.

Growing community of inventors

Tokyo, Japan

Hiroshi Tabatake