Integrated chip and manufacturing method therefor, and full-color integrated chip and display panel
US-12183868-B2 · Dec 31, 2024 · US
Silicate-based phosphor
US8975619B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8975619-B2 |
| Application number | US-201113818784-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 28, 2011 |
| Priority date | Aug 26, 2010 |
| Publication date | Mar 10, 2015 |
| Grant date | Mar 10, 2015 |
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- Title
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Abstract
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The invention relates to co-activated silicate based phosphors. The invention further relates to the method of preparing these phosphors and to the use of these phosphors in electronic and electrooptical devices, in particular in light emitting diodes (LEDs) and solar cells. The invention further relates to illumination units comprising said phosphors.
First claim
Opening claim text (preview).
The invention claimed is: 1. A compound of formula I (A x , B y , M 1−x−y )SiO 3 .(SiO 2 ) n (I) wherein M is at least one cation selected from the group consisting of Ca, Sr, and Ba, A is at least one element selected from the group consisting of Sc3+, Y3+, La3+, Ce3+, Pr3+, Nd3+, Pm3+, Sm3+, Sm3+, Eu3+, Gd3+, Tb3+, Tb3+, Dy3+, Ho3+, Er3+, Tm3+, Yb3+, Lu3+, Bi3+, Pb2+, Mn2+, Yb2+, Sm2+, Eu2+, Dy2+, and Ho2+, B is at least one element selected from the group consistin…
Assignees
Inventors
Classifications
Chemistry & Metallurgy · mapped topic
Electricity · mapped topic
Electricity · mapped topic
- H10H20/8512Primary
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US8975619B2 cover?
- The invention relates to co-activated silicate based phosphors. The invention further relates to the method of preparing these phosphors and to the use of these phosphors in electronic and electrooptical devices, in particular in light emitting diodes (LEDs) and solar cells. The invention further relates to illumination units comprising said phosphors.
- Who is the assignee on this patent?
- Okura Hiroshi, Wakimoto Takeo, Ohmi Koutoku, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification H10H20/8512. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Mar 10 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).