Metal wire grating Polaroid and manufacturing method thereof
A metal wire grid and a manufacturing method technology, applied in the field of polarizers, can solve the problems of inability to achieve large-area imprinting, difficulty in enlarging the template area, and increasing manufacturing difficulty.
Inactive Publication Date: 2018-12-07
TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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Problems solved by technology
The metal wire grid polarizer is generally produced by forming a PR film on an aluminum-coated substrate, using an embossing machine with a template to complete the imprint, removing the primer and etching the metal film to form a grating; this method is complicated to manufacture. For the current Due to technical limitations, it is difficult to enlarge the template area, so a single embossing can only obtain a small area of the grating area, and cannot achieve large-area imprinting, and splicing will increase the difficulty of production
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[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0026] see figure 1 , The invention provides a method for manufacturing a metal wire grid polarizer, which is used for manufacturing a metal wire grid polarizer. The method includes,
[0027] Step S1, providing a template 10, such as figure 2 and image 3 A surface 101 of the mold 10 is provided with a plurality of parallel die teeth 12 and a nano-gap 14 between every two die teeth 12 , and the plurality of die teeth 12 include a doctor blade end 15 . Specific...
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Abstract
An embodiment of the invention provides a manufacturing method of a metal wire grating Polaroid. The method comprises a template is provided, one surface of the template is provided with parallel template teeth and nano gaps arranged between every two template teeth, each template tooth comprises a scrape-coating end, the surface of substrate is coated with uncured polymer layer with a photoinitiator, the template forms an inclination angle relative to the polymer layer, the polymer layer is scraped by the scrape-coating ends to form a nano grating structure, the nano grating structure is heated in the scrape-coating process to obtain a cured nano grating structure, the nano grating structure comprises wire gratings in parallel and grooves separating the wire gratings, and a metal conductive film is formed in the external surface of the grating wires in a glancing angle deposition mode so that the nano grating structure forms the metal wire grating.
Description
technical field [0001] The invention relates to the technical field of polarizers, in particular to a method for manufacturing a metal wire grid polarizer and the metal wire grid polarizer. Background technique [0002] The ability of metal wire grid polarizers to transmit incident light is far greater than that of traditional polarizers, and is widely used in display devices or light sensing devices. The metal wire grid polarizer is generally produced by forming a PR film on an aluminum-coated substrate, using an embossing machine with a template to complete the imprint, removing the primer and etching the metal film to form a grating; this method is complicated to manufacture. For the current Due to technical limitations, it is difficult to enlarge the area of the template, so a single embossing can only obtain a small area of the grating area, and it is impossible to achieve large-area imprinting, and splicing will increase the difficulty of production. Contents of ...
Claims
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IPC IPC(8): G02B5/30
CPCG02B5/3058
Inventor 侯俊
Owner TCL CHINA STAR OPTOELECTRONICS TECH CO LTD