Invention Application
- Patent Title: PHOSPHOR, LIGHT-EMITTING DEVICE, ILLUMINATION DEVICE, IMAGE DISPLAY DEVICE, AND INDICATOR LAMP FOR VEHICLE
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Application No.: US18787126Application Date: 2024-07-29
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Publication No.: US20240384166A1Publication Date: 2024-11-21
- Inventor: Kyota Ueda , Tomoyuki Kurushima , Atsushi Ooishi , Naoto Hirosaki
- Applicant: Mitsubishi Chemical Corporation , National Institute for Materials Science
- Applicant Address: JP Tokyo; JP Tsukuba-sh
- Assignee: Mitsubishi Chemical Corporation,National Institute for Materials Science
- Current Assignee: Mitsubishi Chemical Corporation,National Institute for Materials Science
- Current Assignee Address: JP Tokyo; JP Tsukuba-sh
- Priority: JP2023-016167 20230206
- Main IPC: C09K11/77
- IPC: C09K11/77 ; C09K11/55 ; C09K11/62 ; C09K11/64 ; C09K11/68 ; H01L33/50
Abstract:
A phosphor contains a crystal phase having a composition represented by RexMAaMBbMCcDdXe, and an element Z, in which a content of the element Z is 1,000 mass ppm or less, and the element Z includes at least one of Mo, W, Nb, Ta, Ni, Pt, or Ir. Regarding the composition, MA includes at least one of Ca, Sr, Ba, Na, K, Y, Gd, or La, MB includes at least one of Li, Mg, or Zn, MC includes at least one of Al, Si, Ga, In, or Sc, D is N (nitrogen) and/or O (oxygen), X includes at least one of F, Cl, Br, or I, and Re includes at least one of Eu, Ce, Pr, Tb, or Dy, and a, b, c, d, e, and x satisfy the specific expressions, respectively.
Information query
