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2 722 343

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IPC

C09K11/63(2006-01-01)

C09K11/77(2006-01-01)

(21) (22)

Application

2019141216, 2019-12-11

(24)

Start date

2019-12-11

(22)

Actual filing date

2019-12-11

(45)

Published

2020-05-29

(72)

Inventor

Bubnova Rimma SergeevnaShablinskij Andrej PavlovichKolesnikov Ilya EvgenevichGalafutnik Lidiya GeorgievnaPovolotskij Aleksej ValerevichFilatov Stanislav Konstantinovich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Uchrezhdenie Nauki Ordena Trudovogo Krasnogo Znameni Institut Khimii Silikatov Im. I.V. Grebenshchikova Rossijskoj Akademii Nauk Ran)Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Gosudarstvennyj Universitet"

RED-EMITTING THERMALLY STABLE PHOTOLUMINESCENT BABI(BO):EU FOR LED CHIPS Russian patent published in 2020 - IPC C09K11/63 C09K11/77

Abstract RU 2722343 C1

FIELD: physics.

SUBSTANCE: invention relates to production of radiation sources and relates to a red-emitting thermally stable photoluminescent Ba₃Bi₂(BO₃)₄ for LED chips. Photoluminescent Ba₃Bi₂(BO₃)₄ is doped with Eu³⁺ ions and belongs to family M₃Ln₂(BO₃)₄, where M=Ba, and the lantanoids (Ln) are substituted with trivalent bismuth. At that, Ba²⁺ and Bi³⁺ cations are disordered in three crystallographically nonequivalent positions of Ba₃Bi₂(BO₃)₄ crystal structure.

EFFECT: technical result consists in increasing optimal concentration of dopant ions and eliminating the need to use rare-earth ions in the crystalline structure of the photoluminescent matrix.

3 cl, 6 dwg

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RU 2 722 343 C1

Authors

Bubnova Rimma Sergeevna

Shablinskij Andrej Pavlovich

Kolesnikov Ilya Evgenevich

Galafutnik Lidiya Georgievna

Povolotskij Aleksej Valerevich

Filatov Stanislav Konstantinovich

Dates

2020-05-29—Published

2019-12-11—Filed