GB/T 31379.2-2025 Active National standards

GB/T 31379.2-2025 Test methods for polarizers of flat panel displays—Part 2:Optical properties

Publish Date: 2025-10-05 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 31379.2-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Electronic devices and specialized materials, parts, and structural components

ICS Name: Special materials for electronic technology

Publish Date: 2025-10-05

Implement Date: 2026-05-01

Pages: 12 pages

Scope

This document describes the testing methods for the transmittance, polarization, hue, reflectivity, haze, and optical compensation value of polarizing films for flat-panel displays.
This document is applicable to the testing of the optical performance of polarizing films used in flat-panel displays.

Development Information

Word Count: 15 Thousand words Pages: 12 pages

Same series standard

GB/T 31379.1-2025 Test methods for polarizers of flat panel displays—Part 1:Physical and chemical properties GB/T 31379.3-2025 Test methods for polarizers of flat panel displays—Part 3:Reliability

Referenced Standards

GB/T 2410-1980 Transparent plastics—Transmissivity and haze test GB/T 2410-2008 Determination of the luminous transmittance and haze of transparent plastics GB/T 7921-1997 Uniform color space and color difference formula GB/T 7921-2008 Uniform color space and color difference formula GB/T 33048-2016 Polarizing film—Test method of optical retardation

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