LEDs are produced in a variety of shapes and sizes
{"Image DocumentName": "LEDs are produced in a variety of shapes and sizes", "Image ImageDescription": "LEDs are produced in a variety of shapes and sizes. The 5 mm cylindrical package (red, fifth from the left) is the most common, estimated at 80% of world production.The color of the plastic lens is often the same as the actual color of light emitted, but not always. For instance, purple plastic is often used for infrared LEDs, and most blue devices have clear housings. There are also LEDs in SMT packages, such as those found on blinkies and on cell phone keypads (not shown). The main types of LEDs are miniature, high power devices and custom designs such as alphanumeric or multi-color. Types.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}