To differ a reflectance ratio for each area and suitably reduce glare due to reflected light without substantially damaging the appearance and mirror function.SOLUTION: A vehicular mirror comprises a liquid crystal layer, a first electrode layer, a second electrode layer, a front polarization layer, a polarization layer, light intensity detection means, and a control part. At least one of the first electrode layer and the second electrode layer can individually apply a voltage to plural electrode parts including a first electrode part, and second electrode parts which extend on both sides of the first electrode part in a longitudinal direction. The control part controls the voltage so that in at least a partial state of a glare control execution state, a second area, which overlaps on the second electrode part of areas, which function as a mirror, when viewed in a direction perpendicular to a reflection surface, has a reflectance ratio higher than that of a first area overlapping on the first electrode part.SELECTED DRAWING: Figure 2
【課題】見栄えやミラーの機能を実質的に損なうことなく、領域ごとに反射率を異ならせて反射光による眩しさを適切に低減する。【解決手段】液晶層と、第1電極層と、第2電極層と、表偏光層と、偏光層と、光量検出手段と、制御部とを備え、第1電極層及び第2電極層の少なくともいずれか一方は、第1電極部分と、左右方向で第1電極部分の両側に延在する第2電極部分とを含む複数の電極部分に対して、個別に電圧の印加が可能であり、制御部は、防眩制御の実行状態における少なくとも一部の状態において、ミラーとして機能する領域のうちの、反射面に垂直な方向に視て、第2電極部分に重なる第2領域の方が第1電極部分に重なる第1領域よりも反射率が高くなるように、電圧を制御する、車両用ミラーが開示される。【選択図】図2
VEHICULAR MIRROR
車両用ミラー
2020-07-09
Patent
Elektronische Ressource
Japanisch
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING,... , Vorrichtungen oder Anordnungen, deren optische Arbeitsweise durch Änderung der optischen Eigenschaften des Mediums der Vorrichtungen oder Anordnungen geändert wird zum Steuern der Intensität, Farbe, Phase, Polarisation oder der Richtung von... |
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