Provided is a novel coated phosphor capable of effectively suppressing the adverse effects of hydrogen sulfide gas generated by the reaction between a sulfur-containing phosphor and moisture in the air. Provided is a sulfur-containing phosphor having a configuration in which ZnO compound containing Zn and O is present on the surface of a sulfur-containing phosphor having a host material which includes sulfur.

Claims

13 · 2 independent · depth 3

13 granted claims

›1.independentA ZnO compound coated sulfur-containing phosphor particle having: a configuration in which a ZnO compound containing Zn and O and a glass layer contai…+11

›3.↳ 1The ZnO compound coated sulfur-containing phosphor particle according to claim 1, wherein the ZnO compound including Zn and O includes one or more sel…d2

›4.↳ 1The ZnO compound coated sulfur-containing phosphor particle according to claim 1, wherein that the ZnO compound including Zn and O is microparticles h…d2

›5.↳ 1The ZnO compound coated sulfur-containing phosphor particle according to claim 1, wherein NZn/NS, a ratio of NZn as the number of Zn atoms in the ZnO …d2

›6.↳ 1The ZnO compound coated sulfur-containing phosphor particle according to claim 1, wherein the microparticles which have a spinel type crystal structur…d2

›7.↳ 1The ZnO compound coated sulfur-containing phosphor particle according to claim 1, wherein a spinel layer including the microparticles which have the s…d2

›8.↳ 1The ZnO compound coated sulfur-containing phosphor particle according to claim 1, wherein the ZnO compound further includes a water resistant layer co…d2

›9.↳ 1A wavelength conversion light emitting device comprising at least one LED chip and at least one phosphor, wherein part of the light emitting from the …d2+2

›12.↳ 1A light emitting device comprising a solid light emitting device, a metal member reacting with sulfur-based gas, and a phosphor-containing layer, wher…d2

›13.↳ 1A light emitting device comprising a solid light emitting device, a metal member which reacts with sulfur-based gas, and a phosphor-containing layer, …d2

›2.independentA ZnO compound coated sulfur-containing phosphor particle comprising: a ZnO compound layer consisting of a ZnO compound including Zn and O; a glass la…

Classifications

12 codes

IPC · International Patent Classification

Section B — Performing operations; transporting

B32B5/16
B32B15/00

Section C — Chemistry; metallurgy

C09K11/02
C09K11/77

Section H — Electricity

H01L33/00
H01L33/52
H01L33/50
H01L29/18

USPC · US Patent Classification

257/88428/328428/432257/98

Claim changes

Soon

Coming soonHow the claims changed between publication and grant

See which claims were amended, added or cancelled during examination, with every added and removed word marked.

AmendedAddedCancelledUnchanged

The published claims of this patent are not paired with the granted ones in what we hold.

File wrapper

⤢ drag to zoom

USPTOApplicanthover for detail · click to open

Pendency

3.0 y

1,106 days filing → grant

Office actions

non-final + final

Responses

2 RCE

Interviews

examiner interview summaries

Examiner

Long K Tran

art unit 2829 · TC 2800

Law firm

Law firm · Log in to unlock

Citations: 42 back · 0 forward

See the full prosecution history — every USPTO and applicant action on this file, in order.

Term & fees

See the term timeline — pendency span, in-force span, the maintenance fees paid and both computed expiry dates.

Priority chain

1 priority documents

›Priority documents — 1

Type	Document	Date
related publication	US 20130256715 A1	3 Oct 2013

Validity challenges

See the validity challenges on record — reexaminations, IPRs and PGRs, with their institution decisions and outcomes.

Citations

See every patent this one cites and every patent that cites it back — publication, assignee, and how each one was found.