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Polarizing plate

A technology of polarizers and nano-metal wires, applied in the direction of polarizing elements, etc., can solve the problems of expensive size of polarizers and difficulty in enlarging, and achieve the effect of easy enlargement

Inactive Publication Date: 2012-07-11
IND TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a polarizer, which can solve the problem that the existing polarizer is expensive and difficult to increase in size

Method used

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Embodiment Construction

[0033] Below in conjunction with accompanying drawing, structural principle and working principle of the present invention are specifically described:

[0034] figure 1 is a schematic diagram of a polarizer of an embodiment of the present invention, and figure 2 for figure 1 Cross-sectional view of the polarizer. Please refer to figure 1 and figure 2 , the polarizer 100 of this embodiment includes a polymer substrate 110 and a plurality of nano metal wires 120 . Molecules of the polymer substrate 110 have a main alignment direction D10. The metal nanowires 120 are disposed on the surface of the polymer substrate 110 substantially parallel to the main alignment direction D10 . Since most of the nano metal wires 120 are arranged parallel to the main alignment direction D10, the light rays whose linear polarization direction is perpendicular to the main alignment direction D10 can pass through the polarizer 100, while the light rays whose linear polarization direction is ...

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Abstract

The invention provides a polarizing plate, which comprises a polymeric substrate and a plurality of nano metal wires. The molecules of the polymeric substrate are arranged in a main arrangement direction. Alternatively, the surface of the polymeric substrate is provided with a plurality of micro trenches approximately parallel to the main arrangement direction. The nano metal wires are substantially parallel to the surface of the polymeric substrate. The polarizing plate is low in cost and easy to be large-sacle.

Description

technical field [0001] The invention relates to a polarizing plate, and in particular to a polarizing plate using nanometer metal wires to generate polarization effects. Background technique [0002] Polarizers are widely used in many optoelectronic products because they allow the passing light to have a specific polarization state. Polarizers can be divided into the following types according to their working principles. The first is to use the multilayer film interferometry method to transmit light with a specific linear polarization and reflect light with a linear polarization direction orthogonal to it. The second type is a wire grid polarizer, which mainly screens light with periodic long strips of metal wires arranged in parallel. The light whose linear polarization direction is consistent with the direction of the metal wires can pass through, and vice versa is reflected. The third type is a film made of cholesteric liquid crystal material. When the circular polariza...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B5/30
Inventor 郑至成洪晓雯林晖雄蔡祯辉
Owner IND TECH RES INST
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