GB/T 42977-2023 in English
VALIDNanotechnology—Nano-enabled optoelectrical display—Optical reliability assessment for quantum dot enabled light conversion film
- Issued on:2023-09-07
- Implemented on:2024-04-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$233.00
《GB/T 42977-2023纳米技术 纳米光电显示 量子点光转换膜的光学可靠性测定》由TC279（全国纳米技术标准化技术委员会）归口，主管部门为中国科学院。
Introduction
1. Standard background and technological evolution
Quantum dots are the core materials of new display technologies, and the optical reliability of their light conversion films directly affects the performance and life of display devices. This standard was proposed by the Chinese Academy of Sciences and managed by the National Nanotechnology Standardization Technical Committee, which fully reflects my country's technological advantages and industrial needs in this field.
2. Comparison of standard frameworks
| Standard dimensions | GB/T 42977—2023 | References |
|---|---|---|
| Scope of application | Optical reliability determination method of quantum dot light conversion film | GB/T 42976—2023, etc. |
| Core indicators | Brightness change rate, chromaticity coordinate change, light conversion efficiency change rate and maximum width of invalid edge | GB/T 26179—2010, etc. |
| Test conditions | Including high temperature, low temperature, high humidity, light and other accelerated aging test conditions | GB/T 2423.1—2020, etc. |
3. Implementation suggestions and case analysis
In actual applications, enterprises should select appropriate test conditions and judgment indicators according to product characteristics. For example:
- High temperature and high humidity test: Suitable for evaluating the durability of diaphragms in harsh environments.
- Hot and cold shock test: Used to test the weather resistance and structural stability of diaphragms.
- Light aging test: Simulates the light attenuation effect in real use scenarios.
4. Analysis of optical performance change trends
Through data processing methods, the performance changes of diaphragms under different accelerated conditions can be intuitively reflected. For example:
| Test parameters | Initial value range | Change trend |
| Brightness (L) | ≥200 cd/m² | With the increase of test time, the decline rate is ≤15% |
| Chromaticity coordinates (x, y) | (0.3, 0.6) | Changes |Δx| and |Δy| are both ≤0.015 |
5. Measurement uncertainty analysis
The accuracy of the test results depends on the equipment accuracy and operating specifications. It is recommended that enterprises establish a complete calibration process and personnel training mechanism to ensure the reliability and consistency of the measurement results.
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