Intro to the Amber Pre-submission Tool

Why is the DLC requiring to use the Amber Pre-submission Tool to generate SPD images?

Per the final Technical Requirements in SSL V6.0, the DLC will create and display spectral power distribution (SPD) images representing product-level performance for tested products using submitted .spdx data. These images will allow SSL QPL users to better understand product level performance of tested amber LED luminaires. The Amber Pre-submission Tool produces a consistent format for images and implicitly connects test data to the images shown, which improves the QPL user experience and mitigates potential confusion for QPL users.

The Amber Pre-submission Tool was designed by the DLC for use by manufacturers who intend to submit amber LED products for SSL V6.0 qualification to the DLC SSL QPL. This tool processes one TM-27 .spdx document at a time, and then generates an SPD image in .png format for use as part of the submission process. Each image file uses a consistent format specified by the DLC, described in more detail below. The tool also validates the uploaded document to DLC and ANSI/IES TM-27 ( for .spdx documents) requirements. This helps submitters streamline the application process by identifying missing information in their files and generating an error message. This allows corrections to be made prior to submittal, and potentially reducing questions and necessary modifications after an application is submitted.

Uploaded Product Types

The tool enables end users to upload a single SPDX document to DLC’s website and pre-emptively select the amber LED type represented by the uploaded file (pc-Amber, de-Amber, filtered Amber or all). If the end user selects “All” the uploaded SPD file will be validated against each product’s spectral criteria described in the SSL V6.0 Technical Requirements (in section 18.2: Amber Specifications). It is recommended that the end user select “All”

Product Validation

Once a file is uploaded, the Amber pre-submission tool will show the calculated results and an SPD image.

*product image

About the created SPD image

The images produced by the Amber Pre-submission tool depict the luminaire’s absolute or relative spectral power distribution over wavelength allowing QPL users to see the spectral distribution of each tested product in a consistent format. Images are square and measure 1000 pixels by 1000 pixels. On the QPL, users will be able to click on them to view them in a larger format.

The SPD images are generated from the uploaded .spdx documents, and will look like the image shown in Figure 1. Wavelength data is plotted from 350 nm to 800 nm, unless the wavelength range is larger, in which case the full submitted wavelength range will be plotted. Absolute radiant flux data will be plotted using the tested units (W/nm) and relative radiant flux data will be plotted where the maximum radiant flux data is scaled to one.

Figure 1: An example of a plotted SPD image from a tested de-Amber product using the Amber Pre-submission Tool.