本申请公开了一种车灯系统,包括车灯、偏振片、光栅薄膜以及时序控制器。偏振片设置于车灯的出光光路上,光栅薄膜具有偏振态,光栅薄膜的偏振方向与偏振片的偏振方向平行,车灯发出的光束依次经偏振片和光栅薄膜调制后进入驾驶员的眼睛。光栅薄膜的制备材料包括聚合物分散液晶材料,时序控制器通过向所述光栅薄膜输出时序信号控制一个响应周期内,加电压状态和未加电压状态的时间占比,以调节出光光束在响应周期内的平均光强度。利用本车灯系统中光栅薄膜的特殊属性并配合时序控制器,调节出光光束在响应周期内的平均光强度,以适应不同的使用场景对衰减对面车灯亮度的比例和己方车灯照路面的视觉亮度的需求。
The invention discloses a vehicle lamp system. The vehicle lamp system comprises a vehicle lamp, a polaroid, a grating film and a time schedule controller. The polaroid is arranged on a light-emitting path of the automobile lamp, the grating film has a polarization state, the polarization direction of the grating film is parallel to that of the polaroid, and light beams emitted by the automobile lamp enter eyes of a driver after being modulated by the polaroid and the grating film in sequence. The preparation material of the grating film comprises a polymer dispersed liquid crystal material, and the time sequence controller controls the time ratio of a voltage applying state to a voltage non-applying state in a response period by outputting a time sequence signal to the grating film so as to adjust the average light intensity of the emergent light beam in the response period. The average light intensity of the emergent light beam in the response period is adjusted by utilizing the special attribute of the grating film in the vehicle lamp system and cooperating with the time schedule controller, so that the requirements of different use scenes on the proportion of attenuating the brightness of the opposite vehicle lamp and the visual brightness of the own vehicle lamp on the road surface are met.
车灯系统
2024-06-25
Patent
Elektronische Ressource
Chinesisch
IPC: | F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen / F21W Index-Schema in Verbindung mit den Unterklassen F21K, F21L, F21S und F21V, betreffend den Gebrauch oder Einsatz von Leuchten oder Beleuchtungssystem , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS / 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... |