| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_268be9afa00cf55b5aa72b1612151ecb |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02B2027-0145
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02B2027-0112
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02B2027-0118
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03B21-28 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02B5-3016
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02B5-26
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02B5-3025
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02B27-0101
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02B27-286
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03B21-62
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02F1-13718 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03B21-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02B5-30 |
| filingDate |
2020-09-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_35b194291f06747a822af38a63178da5 |
| publicationDate |
2022-08-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-4036644-A1 |
| titleOfInvention |
Projector for head-up display |
| abstract |
An object is to provide a head-up display projector that uses a reflection member having a selective reflection layer and that can suppress the decrease in brightness of a projection image and the loss of color balance of a projection image even when the wavelength of a light beam has varied. The object is achieved by having: a light source for forming a projection image; and a reflection member having a selective reflection layer that reflects visible light and is constituted by two or more layers having selective reflection center wavelengths different from each other and an interference suppression layer that has a thickness of 10 µm or more, wherein in the reflection member, the interference suppression layer is located closer to the side on which light from the light source is incident than the selective reflection layer is. |
| priorityDate |
2019-09-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |