### SMD LEDs: A Revolutionary Invention.
SMD LEDs, also known as surface-mount device light-emitting diodes, have become an integral part of modern technology, providing energy-efficient lighting solutions in a wide range of applications. But when were these innovative LEDs actually invented?
#### Invention of SMD LEDs.
1. **Step 1:** The development of SMD LEDs can be traced back to the early 1960s when red LEDs were first invented. However, these early LEDs were not as efficient or versatile as the LEDs we know today.
2. **Step 2:** It wasn't until the late 1990s that SMD LEDs started to gain popularity due to advancements in manufacturing technology and materials. These new LEDs offered higher brightness and efficiency compared to traditional through-hole LEDs.
3. **Step 3:** In 2002, a breakthrough occurred with the development of white SMD LEDs, which opened up new possibilities for lighting applications. These white LEDs were created by combining blue LEDs with a phosphor coating to produce a white light.
4. **Step 4:** The widespread adoption of SMD LEDs in various industries, including automotive, electronics, and lighting, accelerated their development and led to continuous improvements in efficiency and performance.
#### Conclusion.
Today, SMD LEDs are considered a game-changer in the lighting industry, offering energy-efficient and long-lasting lighting solutions for a wide range of applications. Their invention and continuous innovation have paved the way for a more sustainable and brighter future.
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