Abstract: A light emitting diode (LED) lamp is provided to efficiently emit generated heat and increase light intensity radiating toward the front portion, and also to enhance productivity, save cost, and provide more elegant appearance. The LED lamp includes a front cover, a body, and a socket, in which the front cover includes a lens hole and a bolt securing portion without a front ventilation opening and a fixation bolt, the body includes a bolt securing hole, a side ventilation opening, a heat dissipation groove, a socket engagement hole, a heat conductive substrate, a lens, and a cable path, and the socket includes a driving substrate, an electrode hole, a guide and a hooking portion without adhesives in the interior portion.

Abstract: The present invention relates to a light emitting lamp for controlling various brightness and color more efficiently. The light emitting lamp having plural red color emitting device, green color emitting device, and blue color emitting device; comprises an input means for inputting the control request signal of brightness and color by a user, a brightness control means for generating a digital control signal modulated in amplitude wherein the digital control signal has a plurality of signal levels in accordance with the request signal of brightness, a color control means for generating a digital control signal modulated in pulse-width wherein the digital control signal has a plurality of signal level in accordance with the request signal of color, wherein the brightness and color of plurality of the emitting device are controlled by the digital control signal modulated in amplitude and pulse-width.

Abstract: The present invention relates to a light emitting lamp for controlling various brightness and color more efficiently. The light emitting lamp having plural red color emitting device, green color emitting device, and blue color emitting device; comprises an input means for inputting the control request signal of brightness and color by a user, a brightness control means for generating a digital control signal modulated in amplitude wherein the digital control signal has a plurality of signal levels in accordance with the request signal of brightness, a color control means for generating a digital control signal modulated in pulse-width wherein the digital control signal has a plurality of signal level in accordance with the request signal of color, wherein the brightness and color of plurality of the emitting device are controlled by the digital control signal modulated in amplitude and pulse-width.