Samsung Electronics, the world’s leading producer of semiconductor and display solutions, formally opened the doors to its new Device Solutions America headquarters here, setting the stage for a new wave of innovation across the digital landscape.

Silicon Valley is an interesting place. It is the land of technological innovation. A small town with big ideas, built on dreams and mounds of coffee. It is also the land of futuristic chandeliers that pulse with light and move to visualize network traffic around them. 

Silicon Valley is known for computer chips, software companies and social networks -- but not light bulbs. Switch Lighting, a San Jose startup, hopes to change that. Later this fall, the venture capital-backed company plans to release a new line of bulbs aimed at replacing the ones consumers typically use in lamps and other fixtures. Switch's bulbs are among a new generation powered by light-emitting diodes, or LEDs, a technology that many experts bet will finally displace the incandescent bulb that Thomas Edison invented more than a century ago, in part because they&#...