The invention relates to a composite sheet (1), in particular for a projection assembly (100), comprising at least: an outer sheet (2), an inner sheet (3) and a thermoplastic intermediate layer (4) arranged between the outer sheet (2) and the inner sheet (3), the outer sheet (2) and the inner sheet (3) each having an outer side (I, III) and an inner side (II, IV), the thermoplastic intermediate layer (4) comprises at least one masking layer (5) or consists of at least one masking layer, and the masking layer (5) is opaque at least in one region (5 '),-heating elements (6) which are arranged in the opaque region (5') of the masking layer (5), and-a reflective layer (11) which is arranged in the opaque region (5 ') of the masking layer (5), the reflective layer (11) is suitable for reflecting visible light (12), and wherein the reflective layer (11) is arranged spatially in front of the masking layer (5) in a viewing direction from the inner sheet (3) to the outer sheet (2) and at least partially overlaps an opaque region (5 ') of the masking layer (5).
本发明涉及一种复合片材(1),所述复合片材尤其是用于投影组件(100),所述复合片材至少包括:‑外片材(2)、内片材(3)和布置在外片材(2)和内片材(3)之间的热塑性中间层(4),其中,外片材(2)和内片材(3)分别具有外侧(I,III)和内侧(II,IV),并且外片材(2)的内侧(II)和内片材(3)的外侧(III)面向彼此,并且‑热塑性中间层(4)包含至少一个掩蔽层(5)或由至少一个掩蔽层构成,并且掩蔽层(5)至少在一区域(5')中是不透明的,‑加热元件(6),所述加热元件布置在掩蔽层(5)的不透明的区域(5')内,和反射层(11),所述反射层适用于反射可见光(12),其中,反射层(11)在从内片材(3)到外片材(2)的观察方向上在空间上布置在掩蔽层(5)之前并且至少部分地与掩蔽层(5)的不透明的区域(5')重叠。
Locally heatable composite sheet for projection assembly
能局部加热的用于投影组件的复合片材
2023-01-17
Patent
Elektronische Ressource
Chinesisch
IPC: | B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / H05B ELECTRIC HEATING , Elektrische Heizung |