| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c62268de3e92657ca5b9adcac4778225
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_94e4d87c5dda05e92ac130af43bd31ec
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_25a010be50103faa80bbfbbef74ebc97 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L33-502
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02B20-181
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02B20-00 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K11-77348
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K11-0883
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K11-7729
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02F1-133603
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H05B33-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L33-50
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K11-7734 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01L33-50 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K11-77
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H05B33-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K11-64
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02F1-1335
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K11-08 |
| filingDate |
2011-04-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2015-05-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_627c6238c329b313a4b43409518cdb08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f1df1c0adc19ff937be751a1b2429a14 |
| publicationDate |
2015-05-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-9028719-B2 |
| titleOfInvention |
β- sialon, and light emitting device and applications thereof |
| abstract |
An object of the present invention is to provide a phosphor that is combined with a blue LED to achieve white light at a low color temperature as if singly, has a broad fluorescence spectrum for excellent color rendering properties, has a high luminous efficiency, is thermally and chemically stable like conventional nitride-based phosphors, and has a small decrease in luminance at high temperatures. Another object of the present invention is to provide a light emitting device using such a phosphor. The present invention relates to a β-sialon that is expressed by the general formula, Si 6-z Al z O z N 8-z :Eu (0<z<4.2). In the β-sialon, P2/P1 is not lower than 0.5 and not higher than 1000 (P1 representing the height of an absorption line appearing in the region where g is 2.00±0.02 in a first derivative spectrum obtained by an electron spin resonance technique at 25° C., P2 representing the difference between the maximum value and the minimum value in a spectrum on the lower magnetic field side of P1). |
| priorityDate |
2010-12-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |