JP7834882B2 - 発光素子および表示装置並びに発光素子の製造方法 - Google Patents

発光素子および表示装置並びに発光素子の製造方法

Info

Publication number
JP7834882B2
JP7834882B2 JP2024551045A JP2024551045A JP7834882B2 JP 7834882 B2 JP7834882 B2 JP 7834882B2 JP 2024551045 A JP2024551045 A JP 2024551045A JP 2024551045 A JP2024551045 A JP 2024551045A JP 7834882 B2 JP7834882 B2 JP 7834882B2
Authority
JP
Japan
Prior art keywords
inorganic compound
light
region
emitting element
concentration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2024551045A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2024079908A5 (https=
JPWO2024079908A1 (https=
Inventor
裕真 矢口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Display Technology Corp
Original Assignee
Sharp Display Technology Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sharp Display Technology Corp filed Critical Sharp Display Technology Corp
Publication of JPWO2024079908A1 publication Critical patent/JPWO2024079908A1/ja
Publication of JPWO2024079908A5 publication Critical patent/JPWO2024079908A5/ja
Application granted granted Critical
Publication of JP7834882B2 publication Critical patent/JP7834882B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H05B33/10—Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H05B33/12—Light sources with substantially two-dimensional [2D] radiating surfaces
    • H05B33/14—Light sources with substantially two-dimensional [2D] radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H05B33/12—Light sources with substantially two-dimensional [2D] radiating surfaces
    • H05B33/20—Light sources with substantially two-dimensional [2D] radiating surfaces characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
    • H10K50/115—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising active inorganic nanostructures, e.g. luminescent quantum dots
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electroluminescent Light Sources (AREA)
JP2024551045A 2022-10-14 2022-10-14 発光素子および表示装置並びに発光素子の製造方法 Active JP7834882B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/038463 WO2024079908A1 (ja) 2022-10-14 2022-10-14 発光素子および表示装置並びに発光素子の製造方法

Publications (3)

Publication Number Publication Date
JPWO2024079908A1 JPWO2024079908A1 (https=) 2024-04-18
JPWO2024079908A5 JPWO2024079908A5 (https=) 2025-06-24
JP7834882B2 true JP7834882B2 (ja) 2026-03-24

Family

ID=90669266

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024551045A Active JP7834882B2 (ja) 2022-10-14 2022-10-14 発光素子および表示装置並びに発光素子の製造方法

Country Status (3)

Country Link
JP (1) JP7834882B2 (https=)
CN (1) CN120019715A (https=)
WO (1) WO2024079908A1 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009057317A1 (ja) 2007-11-01 2009-05-07 Panasonic Corporation 発光素子、及び、表示装置
JP2010520603A (ja) 2007-03-08 2010-06-10 イーストマン コダック カンパニー 量子ドット発光デバイス
JP2010532409A (ja) 2007-06-29 2010-10-07 イーストマン コダック カンパニー 発光ナノ複合粒子
US20190288225A1 (en) 2018-03-19 2019-09-19 Boe Technology Group Co., Ltd. Quantum dot light emitting device, method of manufacturing the same, and quantum dot light emitting display device
US20210098728A1 (en) 2019-09-30 2021-04-01 Samsung Electronics Co., Ltd. Electroluminescent device, and display device comprising thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010520603A (ja) 2007-03-08 2010-06-10 イーストマン コダック カンパニー 量子ドット発光デバイス
JP2010532409A (ja) 2007-06-29 2010-10-07 イーストマン コダック カンパニー 発光ナノ複合粒子
WO2009057317A1 (ja) 2007-11-01 2009-05-07 Panasonic Corporation 発光素子、及び、表示装置
US20190288225A1 (en) 2018-03-19 2019-09-19 Boe Technology Group Co., Ltd. Quantum dot light emitting device, method of manufacturing the same, and quantum dot light emitting display device
US20210098728A1 (en) 2019-09-30 2021-04-01 Samsung Electronics Co., Ltd. Electroluminescent device, and display device comprising thereof

Also Published As

Publication number Publication date
CN120019715A (zh) 2025-05-16
WO2024079908A1 (ja) 2024-04-18
JPWO2024079908A1 (https=) 2024-04-18

Similar Documents

Publication Publication Date Title
US11870004B2 (en) Metal oxide nanoparticles surface-treated with metal ion, quantum dot-light-emitting device comprising the same and method for fabricating the same
EP3540806B1 (en) Electroluminescent device, and display device comprising the same
US11186770B2 (en) II-VI based non-Cd quantum dots, manufacturing method thereof and QLED using the same
Han et al. Development of colloidal quantum dots for electrically driven light-emitting devices
KR102646794B1 (ko) Ⅱ-Ⅵ계 비 Cd 양자점, 그 제조 방법 및 이를 이용한 양자점-발광소자
US12200953B2 (en) Light-emitting device
US20240107792A1 (en) Electroluminescent element
US11060026B2 (en) Electronic device including quantum dots
JP7733837B2 (ja) 発光素子および表示装置
Guan et al. Compositional engineering of multinary Cu–In–Zn-based semiconductor nanocrystals for efficient and solution-processed red-emitting quantum-dot light-emitting diodes
WO2024085101A1 (ja) 発光素子および表示装置
US20250204146A1 (en) Light-emitting element
JP7834882B2 (ja) 発光素子および表示装置並びに発光素子の製造方法
CN120092490A (zh) 发光元件、显示装置、发光元件的制造方法
US20250133902A1 (en) Light emitting element
Zhang et al. Inorganic ligand capped quantum dot light-emitting diodes: status and perspective
WO2022162840A1 (ja) 量子ドット及び電界発光素子
US10222546B2 (en) I-III-VI type quantum dots, light-emitting device using the same and fabricating methods thereof
JP7840491B2 (ja) 発光素子、表示装置、発光素子の製造方法及び発光層の形成方法
US20240150649A1 (en) Electroluminescent element, light emitting device, and production method for electroluminescent element
US12497289B2 (en) Quantum dot, self-luminous device, and method for manufacturing quantum dot
WO2025248707A1 (ja) 発光素子、表示装置、発光素子の製造方法
WO2025120759A1 (ja) 発光素子、表示装置、発光素子の製造方法
WO2026047828A1 (ja) 発光素子及び表示装置
WO2025224911A1 (ja) 発光素子、表示装置、発光素子の製造方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250327

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20250327

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20260303

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20260311

R150 Certificate of patent or registration of utility model

Ref document number: 7834882

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150