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Detection device and detection method

A detection device and deflection detection technology, which is applied in the direction of measuring device, optical instrument test, machine/structural component test, etc., can solve the problems of increased detection cost and cumbersome operation, and achieve improved production efficiency, convenient use, and reduced production cost Effect

Active Publication Date: 2012-05-23
BENQ MATERIALS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although this method can detect the type of polarizer, the polarizer that has been attached to the liquid crystal display cannot be reused and can only be scrapped, and its operation is cumbersome and requires a special liquid crystal display for testing. Increased detection cost

Method used

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  • Detection device and detection method
  • Detection device and detection method
  • Detection device and detection method

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Embodiment Construction

[0024] Please refer to Figure 2A , Figure 2A It is a schematic diagram of a detection device in a preferred embodiment of the present invention. As shown in the figure, the detection device 200 includes a transparent substrate 201, and the transparent substrate 201 may be glass, plexiglass, resin sheet or the like. A polarizing layer 202 is provided on the first surface of the transparent substrate 201, and a detection area 205 and a reference area 206 are provided on the second surface opposite to the first surface, wherein the detection area 205 is used to place a polarizer to be tested, The reference area 206 is used to place the first standard sheet 203 and the second standard sheet 204 , and the first standard sheet 203 and the second standard sheet 204 are a pair of optical complementary polarizers whose transmission axes differ by 180°. Specifically, the first standard sheet 203 and the second standard sheet 204 can select an optical supplementary polarizer with a k...

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Abstract

The invention discloses a detection device and a detection method for distinguishing an optical compensated polarizing plate and a non-optical compensated polarizing plate. The detection device comprises a transparent substrate, a polarizing layer, a first standard plate and a second standard plate. In the method, the judgment is performed by placing a polarizing plate to be detected in a detection area of the transparent substrate and comparing the interference patterns of the first standard plate and the second standard plate. The detection device and the detection method of the invention can quickly perform detection under the condition of not damaging the polarizing plate to be detected; and the detection device has the characteristics of simple structure, convenient use and low cost.

Description

technical field [0001] The invention relates to a detection device and a detection method of a polarizer, in particular to a detection device and a detection method for distinguishing an optical compensation type polarizer from a non-optical compensation type polarizer. Background technique [0002] A liquid crystal display (Liquid Crystal Display, LCD) has been accepted by more and more consumers due to its thinness, lightness, energy saving and other characteristics. However, the current disadvantages of LCD are its narrow viewing angle and serious color cast. A feasible method to overcome these problems is to design a polarizer with optical compensation properties. [0003] figure 1 It is an existing polarizer with optical compensation properties. Compared with ordinary polarizers, this kind of polarizer 100 is equipped with an optical compensation film 102 in addition to a polarizing layer 101 , an adhesive layer 103 and a release film 104 . The optical compensation ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/13G01M11/00
Inventor 王旭萍
Owner BENQ MATERIALS