Brightness ratio of optical module

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Brightness of an optical module varies as the white point (such as the relative mix of red, green, and blue light that creates white light) is adjusted. For the most accurate measure of performance, brightness should be specified with a target white point. This document focuses on projection optical modules that incorporate Texas Instruments' DLP Display chips and are designed to project an image onto a surface for a variety of applications, including smartphones, tablets, display projectors, smart home displays, digital signage, AR glasses, and. The radiance is defined as optical power (radiant flux) per unit area and solid angle; its units are W cm −2 sr −1. It depends on whether the display can maintain usable contrast under strong ambient light, which requires not only sufficient brightness but also effective. TI sells a variety of DLP Pico chipsets to third party companies who in turn design and manufacture optical modules and make them available to product developers.

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