LIGHT-EMITTING STRUCTURE, LIGHT-EMITTING DEVICE, DISPLAY DEVICE, AND METHOD FOR PRODUCING LIGHT-EMITTING STRUCTURE

• Main Authors: KITANO KEISUKE, TATSUMA TORU, IWATA NOBORU, ARAKAWA YASUHIKO, LEE SEUNGHYUK
• Format: Patent
• Language: English; Japanese
• Published: 31.05.2024
• Subjects: ADHESIVES; ADVERTISING; CHEMISTRY; CRYPTOGRAPHY; DISPLAY; DISPLAYING; DYES; EDUCATION; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; LABELS OR NAME-PLATES; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PHYSICS; POLISHES; SEALS; SIGNS

To improve external quantum efficiency or reliability of quantum dot light-emitting devices.SOLUTION: An inorganic medium part (MX) includes chalcogenide (10) located in the area (region KA) between a first quantum dot (QD1) and a second quantum dot (QD2), composed of a chalcogen element and a first element, a second element (12) containing at least one of alkali metal elements, alkaline-earth metal elements and transition metal elements, and a halogen element (14).SELECTED DRAWING: Figure 1 【課題】量子ドット発光素子の外部量子効率または信頼性を改善する。【解決手段】無機媒質部（ＭＸ）は、第１量子ドット（ＱＤ１）および第２量子ドット（ＱＤ２）の間（領域ＫＡ）に位置し、カルコゲン元素および第１元素から構成されているカルコゲナイド（１０）と、アルカリ金属元素、アルカリ土類金属元素および遷移金属元素のうちの少なくとも１つを含む第２元素（１２）と、ハロゲン元素（１４）と、を含む。【選択図】図１