Sign & Digital Graphics

August '17

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Page 32 of 88

28 • August 2017 • S I G N & D I G I T A L G R A P H I C S ELECTRIC SIGNAGE LED illumination has progressed substantially as a sign light- ing media, and is now generally regarded as the primary illumination product for channel letter signage. However, LED must be configured and installed prop- erly to generate optimal channel letter illumination. This article details some of the "best practices" associated with the use and placement of LED modules in channel letter signage. What is accomplished when these best practices are used? They are: • Illumination Brightness—the let- ter luminosity is clean and vivid • Illumination Evenness—light dis- persion is equal across the entire letter face or halo Optimal Illumination Best practices for place- ment of LED modules B Y J O H N B A Y L I S John Baylis is the Marketing Director at Direct Sign Wholesale. • Lighting Consistency—each sign element (letters and/or logo box) has equivalent brightness • Color Optimization—the LED configuration utilized is appropriate for the face color • No Module Visibility—L E D mounting locations are not visible when viewing the illuminated sign Proper execution of these practices produces a compelling and vibrant let- ter sign that will generate referrals for your signage business. Module Placement Planning First, the initial best practice is to review the LED moduel manufacturer specifications prior to planning the module placement. Many LED producers provide a "single stroke" recommenda- tion for their modules (in this context, a "stroke" is the side to side width of the letter return.) For example, if your channel letter has an 8" stroke width (which is large) LED module placement.

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