Sharp Kabushiki Kaisha Corporation

Merck Patent Gmbh

Dic Corporation

Denka Company Limited

Tecnisco Limited

Masayuki Kanehiro

Youhei Nakanishi

Hisayuki Utsumi

Shota Okamoto

Hiroki Imabayashi

Hisashi Watanabe

Masanobu Mizusaki

Toshihiro Matsumoto

Yuto Tsukamoto

Yuichi Kawahira

Tokiyoshi Umeda

Tatsuya Ryohwa

Kanako Nakata

Shinichi Kawato

Manabu Niboshi

Takuya Amada

Koji Hashimoto

Tomohiro Kimura

Toshihiro Yanagi

Yohei Nakanishi

Mitsuhiro Murata

Yoshihiro Ueta

Kohhei Tanaka

Seiichi Uchida

Ryuzo Yuki

Takeshi Noma

Takeshi Ishida

Takayuki Nishiyama

Hiroshi Fukunaga

Makoto Izumi

Hideo Ichinose

Hiroyuki Kurimura

Masahiro Mitani

Takanori Takeda

Hokichi Yoshioka

Gou Sudou

Norihiro Tanaka

Shinsuke Maeda

Yasunori Ishida

Shoutarou Kawakami

A display device provided with a display region including a plurality of pixels and a frame region surrounding the display region includes a thin film transistor layer, a light-emitting element layer including a plurality of light-emitting elements, each including a first electrode, a light emitting layer, and a second electrode, and each having a different luminescent color. In the light-emitting layer, an oxetane monomer, an epoxy monomer, and a radical polymerization initiator are used.

Display device and display device production method

A display device includes: a display region, a frame region, a thin-film transistor layer, and a light emitter layer including a plurality of light emitters each having a first electrode, a light-emitting layer, and a second electrode. The plurality of light emitters emits mutually different colors of light. The second electrode is shared among the plurality of light emitters and contains a metal nanowire. The frame region includes a bank having a frame shape surrounding the display region and defining an end of the second electrode. A conductive film is disposed closer to the display region than the bank is, the conductive film electrically connecting together the terminal section and the second electrode. The conductive film includes a contact portion being in contact with the metal nanowire. The contact portion has a plurality of asperities disposed on a contact surface being in contact with the metal nanowire.

Display device and manufacturing method for display device

Provided are a support substrate, a thin-film transistor layer, a light emitter layer having a plurality of light emitters that emit mutually different colors of light, and a sealing layer sealing the light emitter layer. Each light emitter includes a first electrode, a hole transportation layer, an emissive layer, an electron transportation layer, and a second electrode. The electron transportation layer contains an oxide nanoparticle, a binder resin, and a photo-initiator.

Display device

A display device includes a display region and a frame region surrounding the display region. The display device includes a TFT layer, a light-emitting element layer formed with a plurality of light-emitting elements each including a first electrode, a light-emitting layer, and a second electrode, and having a luminescent color different from each other, and a sealing layer including an organic film and configured to seal the light-emitting element layer. The second electrode is an electrode common to the plurality of light-emitting elements, and includes metal nanowires which are mesh-shaped.

Display device and having common electrode with metal nanowires

A display device comprises: a display region having a plurality of pixels; and a frame region, the display region including: a thin-film transistor layer; a light-emitting-element layer provided above the thin-film transistor layer; and a sealing layer provided above the light-emitting-element layer, the light-emitting-element layer including: a first electrode; a second electrode; a light-emitting layer provided between the first electrode and the second electrode; and an electron-transport layer provided between the light-emitting layer and the second electrode, and the electron-transport layer containing: nanoparticles of metal oxide; and a binding resin.

Display device including metal oxide nanoparticles for uniform and efficient lighting and method for producing same

Provided are a TFT layer, a light-emitting element layer provided with a plurality of light-emitting elements each including a first electrode, a function layer, and a second electrode, and a sealing layer configured to seal the light-emitting element layer. The second electrode is an electrode common to the plurality of light-emitting elements and including metal nanowires. The function layer includes a light-emitting layer and an electron transport layer provided between the light-emitting layer and the second electrode. The electron transport layer includes zinc oxide nanoparticles and a water soluble resin.

Display device having a thin electrode that has a uniform film thickness

Provided is a light-emitting device including a light-emitting element including a first electrode, a second electrode, and a quantum dot layer between the first electrode and the second electrode, wherein, in the quantum dot layer, quantum dots each including a core, a shell covering the core, and a ligand coordinated with a surface of the shell and having defect compensation properties are layered.

Light-emitting device, method for manufacturing light-emitting device, and apparatus for manufacturing light-emitting device

A display device includes an anode electrode a cathode electrode a light-emitting layer, and an electron transport layer. The light-emitting layer is provided between the anode electrode and the cathode electrode. The electron transport layer is provided between the cathode electrode and the light-emitting layer. The electron transport layer includes a nanoparticle of a metal oxide, and an organic modifier configured to cover a surface of the nanoparticle and having electron donating characteristics.

Display device including electron transport layer having nanoparticle of metal oxide

A display device includes a light-emitting element layer including a plurality of light-emitting elements. The light-emitting element layer includes, for each of the plurality of light-emitting elements, a first electrode and a plurality of openings exposing the first electrode, and includes an edge cover covering an end portion of the first electrode, a plurality of light-emitting layers covering each of the plurality of openings, and a second electrode that is common to the plurality of light-emitting elements and covers the plurality of light-emitting layers. The second electrode includes a metal nanowire. Furthermore, the light-emitting element layer includes an auxiliary wiring line provided in a lattice pattern in a position overlapping the edge cover, and the auxiliary wiring line and the metal nanowire are electrically connected to each other.

Display device having auxiliary wiring line electrically connected to metal nanowire

A light-emitting element includes an anode, a hole transport layer, a quantum dot light-emitting layer, an electron transport layer, and a cathode, in this order. The electron transport layer includes a particulate metal oxide and a conductive resin that disperses the metal oxide.

Light-emitting device and manufacturing method of light-emitting device

Alight-emitting element includes an anode electrode, a cathode electrode, a light-emitting layer, a positive hole transport layer, and an electron transport layer. The light-emitting layer, the positive hole transport layer, and the electron transport layer are provided between the anode electrode and the cathode electrode. The light-emitting layer includes QD phosphor particles, a positive hole transport substance configured to transport positive holes transported thereto by the positive hole transport layer, an electron transport substance configured to transport electrons transported thereto by the electron transport layer, and a photosensitive host material.

Light emitting element comprising quantum dots and method for producing light emitting element

A QD particle dispersion contains a surface modification compound that protects a surface of QD phosphor particles dispersed in a solvent. The surface modification compound includes a heteroatom-containing functional group and a chain-type saturated hydrocarbon group. The QD particle dispersion is configured such that the absolute value of a difference between the surface free energy of an underlayer that provides a foundation for forming a QD layer in the light-emitting element and the surface free energy of the QD layer is 5 mN/m or less.

Liquid composition, photoelectric conversion element production method, and photoelectric conversion element

To efficiently prevent oxidation of quantum dots in a light-emitting device including the quantum dots, a light-emitting device including a first electrode, a second electrode, and a quantum dot layer between the first electrode and the second electrode, in which quantum dots including a core, a shell covering the core, and a ligand coordinated with a surface of the shell and having an antioxidant property are stacked in the quantum dot layer, is provided.

Light emitting device with oxidation prevented quantum dots

To provide a light-emitting device that can obtain fluorescence having a narrow spectrum more efficiently, a light-emitting device includes: a light-emitting layer in which thermally activated delayed fluorescence bodies and quantum dots are dispersed; a first electrode in a lower layer than the light-emitting layer; and a second electrode in an upper layer than the light-emitting layer, wherein a light emission spectrum of the thermally activated delayed fluorescence bodies and an absorption spectrum of the quantum dots at least partially overlap each other.

Light-emitting device including light-emitting layer in which thermally activated delayed fluorescence bodies and quantum dots are dispersed and manufacturing apparatus of light-emitting device

To provide a light-emitting device for achieving fluorescence emission with higher efficiency and longer life, a light-emitting device includes an exciton generation layer in which quantum dots are dispersed, a light-emitting layer in which light emitters, which are phosphors or phosphorescent members, are dispersed, the light-emitting layer adjoining the exciton generation layer in a vertical direction, a first electrode located on a lower side of the exciton generation layer and the light-emitting layer, and a second electrode located on an upper side of the exciton generation layer and the light-emitting layer, and the light emission spectrum of the quantum dots and the absorption spectrum of the light emitters at least partially overlap.

Light-emitting device

Growing community of inventors

Sakai, Japan

Masayuki Kanehiro