在目前行业发展趋势下，LED模组的改进是使得槽型发光字厚度更小的主要驱动力。
The improvements in today's LED modules are the driving force behind the trend to make channel letters a shallower depth.
另外一种比较受欢迎的应用是背光式槽型发光字，即LED模组通过照亮标识背后的墙面来创造光晕的效果。
Another popular option is backlit or reverse channel letters, meaning that the LED modules light up the wall behind the sign, creating a halo effect.
实际上，LED模组如今可谓多种多样，有大量的尺寸、颜色、配置和发光模式可选。
In fact, LED modules are tremendously versatile and are available in a plethora of sizes, colors, configurations, and beam patterns today.
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