http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-214473766-U
Outgoing Links
Predicate | Object |
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assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_95c361030813532a8e71b92b26b76b8e |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01R31-28 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01R31-26 |
filingDate | 2021-02-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate | 2021-10-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_439b3dc000e0dc8a195121f6fb3955f4 |
publicationDate | 2021-10-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | CN-214473766-U |
titleOfInvention | A device for testing LIV curve of LED chips |
abstract | The utility model provides a device for testing the LIV curve of an LED chip, which comprises a circuit board, an optical flat plate, a connector, a data acquisition device, a processor, a temperature changing device and an LED chip fixing device; the temperature changing device comprises a semiconductor refrigerator and a copper plate; the copper plate Covering the semiconductor refrigerator, the circuit board, the semiconductor refrigerator and the copper plate are connected in sequence, and the side of the circuit board away from the semiconductor refrigerator is fixed on the optical plate; LED chip fixing device is arranged on the copper plate, and the LED chip fixing device is electrically connected to the circuit board; the data acquisition device is fixed on the optical plate through the connector; the data acquisition device is connected to the processor, and the data acquisition device is connected to the processor. The processor can generate the LIV curve; change the temperature of the LED chip through the temperature changing device to measure the LIV curve at different temperatures. |
priorityDate | 2021-02-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Predicate | Subject |
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isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID418354341 http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID23978 |
Total number of triples: 14.