图片名称

Solutions

Contact Us

图片名称
图片名称

National 24-hour service hotline

400-116-2629

Group Headquarters

Cell phone:18126505465

E-mail: webmaster@lcs-cert.com

Address: Shenzhen City, Baoan District, Shajing Street, Nga side of the school of Wei Juji Industrial Park, Building A 1 ~ 2 floor, Building C 3 floor

Blue light hazard test

IEC 62788 Blue Light Hazard Test is a standardized testing method used to evaluate the blue light hazard of LED light sources, aimed at ensuring that LED light sources do not cause harm to the eyes during use. The following is a detailed explanation of the IEC 62788 blue light hazard test:

 

1. Overview of IEC 62788
Full name: IEC 62788《Measurement methods for materials used in photovoltaic modules - Part 1-4: Encapsulants - Measurement of optical transmittance and calculation of the solar-weighted photon transmittance, yellowness index, and UV cut-off wavelength》。

Scope of application: Suitable for blue light hazard testing of LED light sources.

Purpose: To evaluate the blue light hazard of LED light sources and ensure that they do not cause harm to the eyes during use.

 

2. Overview of Blue Light Hazards
Definition: Blue light hazard refers to the potential harm of blue light emitted by LED light sources to the retina of the eye.

Harm mechanism: Blue light has high energy, and prolonged exposure may lead to retinal damage.

3. Main testing items
(1) Spectral radiation
Definition: Measure the spectral radiation distribution of LED light sources.

Test method: Use a spectral radiometer to measure the spectral radiation distribution of LED light sources.

(2) Blue light weighted radiation
Definition: Calculate the blue light weighted radiation of LED light sources.

Test method: Calculate the blue light weighted radiation based on spectral radiation data.

(3) Blue light hazard index
Definition: Evaluate the level of blue light hazard of LED light sources.

Test method: Calculate the blue light hazard index based on the weighted radiation of blue light.

 

4. Testing equipment
Spectral radiometer: used to measure the spectral radiation distribution of LED light sources.

Photometer: used to measure light output.

Colorimeter: used to measure color temperature and color rendering index.

 

5. Corporate Responsibility
(1) Product Design
Optimize LED light source design to reduce the harm of blue light.

Choose high-quality LED chips and driver circuits to reduce blue light radiation.

(2) Compliance testing
Ensure product compliance with relevant standards through IEC 62788 blue light hazard testing.

Prepare complete technical documents, including test reports, design drawings, etc.

(3) Labels and identification
Label the blue light hazard index and safety instructions on the product.

Provide instructions for use, including applicable conditions, safety precautions, etc.

 

6. Summary
IEC 62788 Blue Light Hazard Test is a standardized testing method used to evaluate the blue light hazard of LED light sources. It assesses the degree of blue light hazard of LED light sources by measuring spectral radiation and calculating the weighted blue light radiation. Enterprises need to optimize product design, ensure product compliance with relevant standards through IEC 62788 blue light hazard testing, fulfill compliance responsibilities, and enhance product quality and market competitiveness.

6 individual

Large-scale experimental base

150 individual

Professional Lab

30 All kinds of

Analysis Method

8 million times

Testing/year