| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_225af30f721513300a4ae01ea74f9de6
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c97f90ab12b35b650d5fd039ed7a41a5
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0abb6f37f4c9d130126c61830df3abcb |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K2323-035
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-105
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B32B2457-202 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02B5-30
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02B5-3083
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02B5-305
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02B1-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02F1-1335
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02F1-13363
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L1-10 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02B1-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02B5-30
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02F1-13363 |
| filingDate |
2011-12-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2015-12-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_81c46dd4958ebab63878c1c9635a1783
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5530ae852cc3c96544745063a7f627e6 |
| publicationDate |
2015-12-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-9223070-B2 |
| titleOfInvention |
Optical film, polarizing plate equipped with the optical film, process for manufacture of the polarizing plate, and liquid crystal display device |
| abstract |
Provided is an optical film which does not undergo the deterioration in front contrast or contrast fluctuations even when used in a VA-type liquid crystal display device having high front contrast or as a polarizing plate protection film. The optical film comprises a cellulose ester resin having high stretching adequacy and having an average acetyl group substitution degree of 2.0-2.6, has a phase difference (Ro) of 30-100 nm, a phase difference (Rth) of 70-400 nm and a film thickness of 15-50 μm, and is characterized by fulfilling a requirement represented by formula (I). Formula (I): 0.01<S(bs)/S(T)<0.30, in the formula, S(bs) represents the quantity of backscattered light at 590 nm and 25°-85° when the angle of incident light that enters the film is set at 0°, the intensity of scattered light at 590 nm and 25°-85°; and S(T) represents the total quantity of incident light that enters the film. |
| priorityDate |
2011-01-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |