| 摘要 |
<p>Positive and negative supply terminals (11) are mounted on a base (10). A light emitting diode (LED) chip (20) is mounted on a support surface (12) and connected to them (11). The lens assembly (30) combines a pressed glass lens and a light-transmitting hard resin layer; it (30) covers the support surface of the base. The hard layer fills the intervening space between lens and support surface. It encapsulates the LED chip (20) and bonds the glass lens and base by adhesion. Outer and inner optical surfaces of the pressed glass lens are convex and/or concave, corrugated or plane. The lens has a circular, rectangular, polygonal or asymmetrical outer frame and collar. Injection molding openings openings are provided in the LED assembly, especially in or at the edges of the outer frame. A notch in the frame and a projection of the base, form a secure catch connection at the upper edge of the base. The lens lies in contact with the base, being held on by the frame.</p> |
