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Structure of polarized light plate for increasing visual angle, and forming method

A polarizing plate and angle technology, applied in optics, optical elements, polarizing elements, etc., can solve the problem of insufficient viewing angle of display devices

Inactive Publication Date: 2006-02-01
OPTIMAX TECHNOLOGY CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to solve this phenomenon, the present invention provides a structure and forming method of a polarizing plate to improve the problem of insufficient viewing angle of a display device

Method used

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  • Structure of polarized light plate for increasing visual angle, and forming method
  • Structure of polarized light plate for increasing visual angle, and forming method
  • Structure of polarized light plate for increasing visual angle, and forming method

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Embodiment Construction

[0044] The following is a detailed description of the present invention, and the description of the manufacturing process and structure in the following description does not include the complete process of manufacturing. The prior art used in the present invention is only cited here as an emphatic reference to help explain the present invention.

[0045] The invention provides a method for forming a polarizing plate. First, a polymer film layer is provided, wherein the polymer film layer contains a plurality of dichroic materials, such as iodide ions. Then, a protective layer is formed on the upper surface and the lower surface of the polymer film layer, and then, at least one black dye layer is formed on the surface of one of the protective layers, and the black dye layer includes a black dye and a thermoplastic resin. After that, at least one optical film layer is formed on the surface of the black dye layer, and the method for forming the polarizing plate with increased vi...

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Abstract

A polarized light plate enabling to increase visual angle has a black dye layer on protection layer and the black dye layer can absorb light launched by a high polymer film layer as saturation level of absorption is decided by thickness of this black dye layer.

Description

technical field [0001] The invention relates to a polarizer structure, in particular to a polarizer structure and a forming method that can increase the viewing angle of a display device. Background technique [0002] Polarizer, also known as polarizing film, is mainly used to polarize non-polarized natural light and form a polarized light. The generation of polarized light generally uses the following methods: (1) using the characteristics of dichroism in specific substances, such as iodide ion compounds or dye molecules, etc.; (2) using the birefringence of substances, such as nickel (Nicol) spar or Glan-Thomson (Glan-Thomson) crystal, etc.; (3) Utilize the reflectivity and refraction of the two-material interface, wherein several layers of transparent materials (such as glass) with different thicknesses are stacked, When natural light enters these glass laminates at an appropriate angle, the light will also be screened out layer by layer. Therefore, the outgoing light wi...

Claims

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Application Information

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IPC IPC(8): G02B1/08G02B5/30
Inventor 徐荣鸿吴龙海
Owner OPTIMAX TECHNOLOGY CORPORATION