LIGHT-EMITTING DEVICE

• Main Authors: URANO YOJI, KAMATA SAKUO
• Format: Patent
• Language: English
• Published: 05.04.2007
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; SEMICONDUCTOR DEVICES

PROBLEM TO BE SOLVED: To efficiently extract light radiated from an LED chip. SOLUTION: The LED chip 1 is arranged so that it projects to the side of a lens 4 to a surface 210 of an insulating base material 21 of a packaging substrate 2. Blue light radiated vertically from an upper surface 110 of a...