Flexible substrate and lighting device including the flexible substrate
A substrate and plasticity technology, applied in the field of lighting devices, can solve the problems of limited bending angle, the lighting device cannot withstand multiple reciprocating bending, easy to break, etc.
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[0029] figure 1 A cross-sectional view of the lighting device according to the first embodiment of the present invention is shown. The lighting device includes a flexible substrate 11 . The flexible substrate 11 includes a plastic layer 12 , a first flexible insulating layer 14 , and a second flexible insulating layer 16 . The plastic layer 12 is interposed between the first flexible insulating layer 14 and the second flexible insulating layer 16 . The first flexible insulating layer 14 is used to support the plastic layer 12 . The second flexible insulating layer 16 is located on the plastic layer 12 .
[0030] In an embodiment, the minimum strain stress of the plastic layer 12 is greater than the minimum strain stress of the first flexible insulating layer 14 and the second flexible insulating layer 16, or the minimum strain stress of the plastic layer 12 is greater than that of the first flexible insulating layer 14. The elastic recovery force of the layer 14 and the se...
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