Samsung Electronics Co., Ltd.

Korea Photonics Technology Institute

Sang Bin Song

Wan Ho Kim

Sang Ho Yoon

Seong Deok Hwang

Ki Un Lee

Chang Mo Lee

Jae Pil Kim

Seung Gyun Jung

Gi Hoon Kim

Dong Hyuck Kam

Sie Wook Jeon

Dae Il Seok

Joung Wook Park

Bo Hyun Jo

Jae Yeong Joo

There is provided a light emitting apparatus including: at least one pair of lead frames; a light emitting device electrically connected to the lead frames to emit ultraviolet rays; a body including a side wall surrounding the light emitting device, and a groove portion formed in an upper surface of the side wall to receive an adhesive; and a lens part disposed above the light emitting device and fixed to the upper surface of the side wall of the body by the adhesive.

Light emitting apparatus

A lens is provided in an asymmetric shape including at least two curved surfaces with different light distribution angles. Therefore, uniformity ratio of illuminance and coefficient of utilization (CU) may be increased while reducing dazzle. When a lighting apparatus including the lens is used as a street light, light directly incident to a driver is minimized, thereby reducing dazzle to the driver. During a night drive, brightness at a far forward position of the driver may be increased. In addition, light emitted toward a street may be increased while reducing light emitted toward a sidewalk. As a result, uniformity ratio of illuminance and coefficient of utilization (CU) may be increased. Also, light pollution may be reduced.

Asymmetric type lens and street lamp including the same

Growing community of inventors

Gwangju, South Korea

Sang Bin Song