公开(公告)号：US20220173348A1

公开(公告)日：2022-06-02

申请号：US17436436

申请日：2019-03-06

Applicant: SHARP KABUSHIKI KAISHA

Inventor： HISAYUKI UTSUMI ,  YOUHEI NAKANISHI ,  MASAYUKI KANEHIRO ,  SHOTA OKAMOTO ,  HIROKI IMABAYASHI

IPC: H01L51/52 ,  H01L51/50 ,  H01L27/32

Abstract: 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.

公开(公告)号：US20230337513A1

公开(公告)日：2023-10-19

申请号：US18026104

申请日：2020-09-16

Applicant: SHARP KABUSHIKI KAISHA

Inventor： HIROKI IMABAYASHI

IPC: H10K71/60 ,  H10K50/17 ,  H10K59/00

CPC classification number: H10K71/60 ,  H10K50/17 ,  H10K59/771 ,  H10K50/115

Abstract: A display device manufacturing method of manufacturing a display device including a plurality of light-emitting elements in each of which an anode, a hole injection layer, a light-emitting layer, and a cathode are layered in this order, the hole injection layer being provided in common in the plurality of light-emitting elements, and the method including treating the hole injection layer with a treatment liquid to change conductivity of at least a portion of the hole injection layer.

公开(公告)号：US20230120913A1

公开(公告)日：2023-04-20

申请号：US17914333

申请日：2020-04-07

Applicant: SHARP KABUSHIKI KAISHA

Inventor： HIROKI IMABAYASHI ,  MASAYUKI KANEHIRO ,  HISAYUKI UTSUMI ,  SHOTA OKAMOTO ,  Yohei NAKANISHI

IPC: H10K50/115 ,  H10K59/35 ,  H10K71/20 ,  H10K50/14 ,  H10K85/60 ,  H10K85/10 ,  G03F7/029

Abstract: 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.

公开(公告)号：US20220140057A1

公开(公告)日：2022-05-05

申请号：US17434581

申请日：2019-03-06

Applicant: SHARP KABUSHIKI KAISHA

Inventor： MASAYUKI KANEHIRO ,  YOUHEI NAKANISHI ,  HIROKI IMABAYASHI

IPC: H01L27/32 ,  H01L51/52

Abstract: 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.

公开(公告)号：US20220037609A1

公开(公告)日：2022-02-03

申请号：US17298847

申请日：2018-12-11

Applicant: SHARP KABUSHIKI KAISHA

Inventor： HISAYUKI UTSUMI ,  YOUHEI NAKANISHI ,  MASAYUKI KANEHIRO ,  SHOTA OKAMOTO ,  HIROKI IMABAYASHI

IPC: H01L51/50 ,  H01L27/32 ,  H01L51/56

Abstract: 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.

公开(公告)号：US20220037604A1

公开(公告)日：2022-02-03

申请号：US17277269

申请日：2018-09-18

Applicant: SHARP KABUSHIKI KAISHA

Inventor： HISAYUKI UTSUMI ,  YOUHEI NAKANISHI ,  MASAYUKI KANEHIRO ,  SHOTA OKAMOTO ,  HIROKI IMABAYASHI ,  TATSUYA RYOHWA ,  KANAKO NAKATA

IPC: H01L51/50 ,  H01L51/56 ,  H01L51/00

Abstract: 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.

公开(公告)号：US20210343989A1

公开(公告)日：2021-11-04

申请号：US17280155

申请日：2018-09-28

Applicant: SHARP KABUSHIKI KAISHA

Inventor： HIROKI IMABAYASHI ,  SHOTA OKAMOTO ,  YOUHEI NAKANISHI ,  MASAYUKI KANEHIRO ,  HISAYUKI UTSUMI

IPC: H01L51/52

Abstract: A display device (500) includes a sub-pixel (100) including a light-emitting element layer (10). The sub-pixel (100) includes: a first electrode (12); an edge cover (11); a projection (15) projecting from the front face of the first electrode (12); and a functional layer (13). With respect to the front face of the first electrode (12) where a first height (h1) is a height up to a front face of a protrusion of the functional layer (13) provided along an edge of the projection (15), a second height (h2) is a height up to a tip of the projection (15), and a third height (h3) is a height up to a front face of the edge cover (11), the second height (h2) is greater than the first height (h1) and smaller than the third height (h3).

公开(公告)号：US20210273189A1

公开(公告)日：2021-09-02

申请号：US17258336

申请日：2018-07-24

Applicant: SHARP KABUSHIKI KAISHA

Inventor： HIROKI IMABAYASHI ,  MASAYUKI KANEHIRO ,  HISAYUKI UTSUMI ,  SHOTA OKAMOTO ,  YOUHEI NAKANISHI ,  TATSUYA RYOHWA ,  KANAKO NAKATA

IPC: H01L51/50 ,  H01L51/00 ,  H01L51/56 ,  C09K11/02

Abstract: 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.