Abstract: A light-emitting module has better white light color rendering index to provide white rendering effect in accordance with the requirements of various application sites. The light-emitting module includes a (circuit) substrate board and at least one ultraviolet ray emitter and at least one blue light emitter disposed on the substrate board. The light wavelength of the ultraviolet ray emitter ranges from 380 nm to 420 nm. The light wavelength of the blue light emitter ranges from 440 nm to 470 nm. A wavelength conversion layer is laid on the substrate board. The wavelength conversion layer includes a first wavelength conversion material and a second wavelength conversion material for receiving and converting the light emitted from the ultraviolet ray emitter into visible light and the light emitted from the blue light emitter into white light. After the lights are mixed, a white general output optical spectrum is achieved.

Abstract: An LED light core structure, which has better mechanical strength and good heat dissipation effect and is able to 360-degree project light. The LED light core structure includes a metal-made substrate having at least two faces. The substrate is formed with multiple openings communicating the two faces. At least one lug is connected with an edge of each opening. The lug is bent from one of the faces and extends outward from one of the faces. An LED is disposed on the lug, whereby the light of the LED is projected to one of the faces and the other opposite face through the opening. The substrate is unlikely to crack so that the ratio of good products is increased. The substrate can provide excellent heat dissipation effect for the LED. Due to the openings, the LED light core can project light to both sides of the substrate.

Abstract: A light-emitting module has better white light color rendering index to provide white rendering effect in accordance with the requirements of various application sites. The light-emitting module includes a (circuit) substrate board and at least one ultraviolet ray emitter and at least one blue light emitter disposed on the substrate board. The light wavelength of the ultraviolet ray emitter ranges from 380 nm to 420 nm. The light wavelength of the blue light emitter ranges from 440 nm to 470 nm. A wavelength conversion layer is laid on the substrate board. The wavelength conversion layer includes a first wavelength conversion material and a second wavelength conversion material for receiving and converting the light emitted from the ultraviolet ray emitter into visible light and the light emitted from the blue light emitter into white light. After the lights are mixed, a white general output optical spectrum is achieved.