Pond House

The lot is generally related to lighting. Disclosed are various lighting devices (e.g., bulbs, lamps backlight modules etc.), their components (e.g., LEDs, heat sinks, circuit boards etc.), and fabrication/packaging techniques such as: permeating etching solution into gap between adjacent lighting structures, attaching LED die on flat panels by using flip-chip mounting techniques etc. The inventions may be implemented as bulbs, lamps, backlight modules for displays, LEDs, etc.