Sharp Kabushiki Kaisha Corporation

Hisayuki Utsumi

Masayuki Kanehiro

Youhei Nakanishi

Shota Okamoto

Kotaro Fukushima

Hiroki Imabayashi

Koichi Toriyama

Yoshihiro Ueta

Tatsuya Ryohwa

Mikio Kakui

Kanako Nakata

Shinichi Kawato

Yuto Tsukamoto

Manabu Niboshi

Tokiyoshi Umeda

Katsuya Takano

Yohei Nakanishi

Noboru Iwata

Masanori Matsumoto

Hiroshi Sugimura

Takatsugu Obata

Hiroshi Fukunaga

Makoto Izumi

Katsuru Matsumoto

Junichi Washo

Masayuki Sakamoto

Tomoko Kanazawa

Tatsuhiro Morita

Rikiya Matsuo

Shinya Mimura

Sayaka Fujita

Yohichi Takesawa

Akiko Uchino

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

An electroluminescent element including an anode, a cathode, and a light-emitting layer provided between the anode and the cathode, in which the electroluminescent element further includes an electron transport layer [[() including n-type semiconductor particles and a first insulating polymer, and a hole transport layer including p-type semiconductor particles, the electron transport layer is provided between the cathode and the light-emitting layer, the hole transport layer is provided between the anode and the light-emitting layer, and a volume proportion of the n-type semiconductor particles in the electron transport layer is smaller than a volume proportion of the p-type semiconductor particles in the hole transport layer.

Electroluminescent element and electroluminescent device each having electron transport layer including n-type semiconductor particles and insulating polymer

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 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 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

A light-emitting device includes a first electrode, a second electrode facing the first electrode, a light-emitting layer provided between the first electrode the second electrode and including a phosphor, a layered body including a metal layer, a first insulating layer provided on a second electrode side of the metal layer, and a second insulating layer provided on a light-emitting layer side of the metal layer, and having a thickness that allows electron injection from the second electrode to the light-emitting layer, a first power supply configured to apply a voltage between the first electrode and the second electrode, and a second power supply configured to apply, between the metal layer and the second electrode, a voltage of which polarity of the second polarity is opposite to a polarity of the second electrode of a voltage applied by the first power supply between the first electrode and the second electrode.

Light-emitting device and method for controlling light-emitting device

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 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

A nonaqueous electrolyte which is capable of improving the charging and discharging characteristics of a lithium ion rechargeable battery and a lithium ion rechargeable battery with excellent charging and discharging characteristics are provided. The nonaqueous electrolyte is one that is capable of being used in a lithium ion rechargeable battery and includes an electrolytic salt and the compound represented by the following formula (): wherein R, R, and Rmay be the same or different, and represent a hydrogen atom, or a lower alkyl group, a lower alkenyl group, a lower alkoxy group, a lower alkoxycarbonyl group, a lower alkylcarbonyl group, a lower cycloalkyl group or an aryl group, which may be substituted.

Nonaqueous electrolyte and lithium ion rechargeable battery

A nonaqueous secondary battery comprising: a positive electrode; a negative electrode; and a nonaqueous electrolyte solution, wherein the nonaqueous electrolyte solution contains: a cyclic nitrogen-containing compound represented by the general formula (1): wherein X represents an optionally branched divalent group derived from a chain saturated hydrocarbon and having 1 to 5 carbon atoms, &#x2550;C&#x2550;CH, &#x2550;C&#x2550;O, &#x2550;C&#x2550;S&#x2550;O, &#x2550;O or &#x2550;S, and Aand Amay be the same or different and each represent an optionally substituted methylene group, &#x2550;C&#x2550;O or &#x2550;SO; and an amine derivative represented by the general formula (2): wherein Rto Rmay be the same or different and each represent a hydrogen atom, or an optionally substituted lower alkyl group, lower alkenyl group, lower alkoxy group, lower alkylcarbonyloxy group, lower alkylcarbonyl group, lower cycloalkyl group or aryl group.

Nonaqueous secondary battery and flame retardant for use in the same

A nonaqueous secondary battery, comprising: a positive electrode; a negative electrode; and a nonaqueous electrolyte solution, the nonaqueous electrolyte solution containing as a flame retardant a compound of the general formula (I): 

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Nara, Japan

Hisayuki Utsumi