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We will discuss a new approach for the design and evaluation of display panel waveguide illumination systems. We use the theories of radiometry and nonimaging optics to model flux transport in these systems. Our design process consists of theoretical modeling, prototyping, and direct measurement of illumination system components. Using this design process, we are able to produce illumination system components which deliver bright, uniform illumination to all areas on the panel. This design process results in an optimized design before production tooling begins. This effort reflects how private industry can increase competitiveness by using university resources.

We will discuss our cooperative effort between university research and private industry on modeling, testing, and design of optical systems for illuminating automobile dashboard systems. Under this project, we are developing models and algorithms that yield cost-effective and optimized configurations: simple designs that provide uniform illumination using the fewest number of bulbs. This effort reflects how private industry can increase its competitiveness using university resources.

We are using principles of radiometry and nonimaging optics to model and test flux collection and transportation in thick optical waveguides. Output from these systems is used to illuminate automobile dashboard clusters and radio modules. Starting with the bulb, we determine the input flux distribution. We then demonstrate how the waveguide collects and transports flux down its length. We will discuss ways of controlling and optimizing this process.