Invention Grant
US08496353B2 Light-emitting diode (LED) module with light sensor configurations for optical feedback 有权
具有光传感器配置的发光二极管(LED)模块,用于光学反馈

Light-emitting diode (LED) module with light sensor configurations for optical feedback
Abstract:
An embodiment of the disclosure includes a LED module. A substrate is provided. A light sensor is positioned in the substrate. A LED chip is attached to the substrate. The LED chip has a first side and a second side. The second side is covered by an opaque layer with an opening. The opening is substantially aligned with the light sensor. The light sensor receives a light output emitting from the LED chip through the opening.
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