Vertaling van "under potential difference application" in Chinees
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施加电位差时
On the other hand, under potential difference application, the optical axis AX2 is preferably displaced in a predetermined direction by an influence of an electric field generated by a potential difference applied to the lower electrode 32 and the upper electrode 36 For example, as illustrated in FIGs 4 and 87, under potential difference application, the optical axis AX2 preferably intersects with or is preferably orthogonal (or substantially orthogonal) to the transparent substrate 31 In other words, the optical axis AX2 is preferably displaced in a direction where an angle between the optical axis AX2 and the normal to the transparent substrate 31 is reduced by potential difference application to the lower electrode 32 and the upper electrode 36 At this time, the optical axis AX2 intersects with or is orthogonal (or substantially orthogonal) to the optical axis AX1, and preferably intersects with or is preferably orthogonal (or substantially orthogonal) to the transparent substrate 31
The liquid crystal material in the composite layer is aligned in random directions under no potential difference application, and thus exhibits the scattering property, but on the other hand, under potential difference application, the liquid crystal material is aligned in an electric field direction; therefore, in the case where the ordinary refractive index of the liquid crystal material and the refractive index of the polymer material are equal to each other, the liquid crystal material exhibits high transparency in the front direction (in a direction of a normal to the PDLC)
Thus, under potential difference application, light which is emitted from the light source 20 and propagates through the light modulation layer 34 propagates while exhibiting a difference between the extraordinary refractive index of the microparticle 34B and the ordinary refractive index of the bulk 34A, or a difference between the ordinary refractive index of the microparticle 34B and the extraordinary refractive index of the bulk 34A in cycles of average streaky texture size in a short-axis direction of the streaky structure of the bulk 34A
FIG 18B illustrates an example of refractive index ellipsoids exhibiting refractive index anisotropy of the bulk 34A and the microparticle 34B under potential difference application FIG 18C schematically illustrates an example of a state where the light L1 toward the front direction and the light L2 toward the oblique direction are scattered by the light modulation layer 34 in the case where a potential difference is applied between the lower electrode 32 and the upper electrode 36
Moreover, under potential difference application, the optical axis AX1 may be oriented in the same or substantially the same direction as that under no potential difference application Under potential difference application, the optical axis AX1 mainly has an optical-axis component in a direction parallel to the transmission axis AX10 of the polarizing plate 210B, and, for example, as illustrated in FIG 88, the optical axis AX1 may be oriented in a direction parallel to the transmission axis AX10 Under potential difference application, the optical axis AX1 is parallel or substantially parallel to, for example, the optical axis AX5 of the light source 20, and may be parallel or substantially parallel to the transparent substrate 31
FIG 42A schematically illustrates an example of an alignment state in the microparticles 64B under potential difference application It is to be noted that, in FIG 42A, an alignment state in the bulk 64A is not illustrated FIG 42B illustrates an example of refractive index ellipsoids exhibiting refractive index anisotropy of the bulk 64A and the microparticle 64B under potential difference application FIG 42C schematically illustrates an example of a state where the light L1 toward the front direction and the light L2 toward the oblique direction are scattered by the light modulation layer 64 under potential difference application
In the above-described embodiment, the optical axes AX1 and AX2 are directed in a direction parallel or substantially parallel to the light incident surface 10A and the transparent substrate 31 under no potential difference application, and the optical axis AX2 is displaced to a direction intersecting with or orthogonal (or substantially orthogonal) to the transparent substrate 31 under potential difference application However, the optical axes AX1 and AX2 may be directed in a direction intersecting with or orthogonal (or substantially orthogonal) to the light incident surface 10A as well as in a direction parallel or substantially parallel to the transparent substrate 31 under no potential difference application, and the optical axis AX2 may be displaced to a direction intersecting with or orthogonal (or substantially orthogonal) to the transparent substrate 31 under potential difference application
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