Seoul Semiconductor Co., Ltd.

Litec-vermogensverwaltungsgesellschaft Mbh

Ho Jun Byun

Ki Bum Nam

Kwang Yong Oh

Hyuck Jun Kim

Su Yeon Kim

Bo Yong Han

Stefan Tews

Thomas Jansen

Inbeom Song

Benjamin Kistner

A compound of the general formula (I): ABFMTOFdoped with Mn(IV), in which A is selected from the group consisting of Li, Na, K, Rb, Cs, Cu, Ag, Tl, NH4, NR4 and mixtures of two or more thereof, where R is an alkyl or aryl group, B is selected from the group consisting of H and D and mixtures thereof, where D is Deuterium, M is selected from the group consisting of Cr, Mo, W, Te, Re and mixtures of two or more thereof, T is selected from the group consisting of Si, Ge, Sn, Ti, Pb, Ce, Zr, Hf and mixtures of two or more thereof, and 0≤x≤1.

Color stable Mn-activated oxidofluorides as conversion luminescent materials for LED-based solid state light sources

A light emitting element including a housing having a cavity and an inner wall, a light emitting part disposed in the cavity to emit light having a peak wavelength in a blue wavelength band and including first and second light emitting chips spaced apart from each other, a lead portion to supply external electric power, and a wavelength converter including a first phosphor layer including a first phosphor to emit light having a peak wavelength in a green wavelength band, and a second phosphor layer including a second phosphor to emit light having a peak wavelength in a red wavelength band, in which the second phosphor includes at least one of a nitride-based red phosphor and a fluoride-based red phosphor represented by AMF:Mn, A is one of Li, Na, K, Ba, Rb, Cs, Mg, Ca, Se, and Zn, and M is one of Ti, Si, Zr, Sn, and Ge.

Wide color gamut light-emitting element

A light-emitting diode package includes a light-emitting diode chip disposed in a housing, a first phosphor configured to emit green light, and a second and a third phosphor configured to emit red light. White light is configured to be formed by a synthesis of light emitted from the light-emitting diode chip, the first phosphor, the second phosphor, and the third phosphor. At least one of the second and third phosphor is a nitride based phosphor that includes at least one of MSiN, MSiON, and MSiN, where M is one of Ca, Sr, Ba, Zn, Mg, and Eu.

Light emitting diode package and manufacturing method thereof

A light-emitting diode package includes a light-emitting diode chip disposed in a housing, a first phosphor configured to emit green light, and a second phosphor configured to emit red light. White light is configured to be formed by a synthesis of light emitted from the light-emitting diode chip, the first phosphor, and the second phosphor. The second phosphor has a chemical formula of AMF:Mn, A is one of Li, Na, K, Rb, Ce, and NH, and M is one of Si, Ti, Nb, and Ta, and the Mnof the second phosphor has a mole range of about 0.02 to about 0.035 times the M.

A light emitting diode package includes a light emitting diode chip disposed in a housing, a first phosphor configured to emit green light, and a second phosphor configured to emit red light. White light is configured to be formed by a synthesis of light emitted from the light emitting diode chip, the first phosphor, and the second phosphor. The second phosphor has a chemical formula of AMF:Mn, A is one of Li, Na, K, Rb, Ce, and NH, and M is one of Si, Ti, Nb, and Ta, and the Mnof the second phosphor has a mole range of about 0.02 to about 0.035 times the M.

The present invention relates to a light-emitting diode package comprising a high-strength molding part. The light-emitting diode package, according to the present invention, comprises: a housing; at least one light-emitting diode chip disposed in the housing; a molding part which covers the at least one light-emitting diode chip; a first phosphor excited by the at least one light-emitting diode chip so as to emit green light; and a second phosphor excited by the at least one light-emitting diode chip so as to emit red light, wherein the molding part has an oxygen gas permeability of 140 cc/m/day or less, and the second phosphor can emit red light having a full width at half maximum of 20 nm or less.

Growing community of inventors

Ansan-si, South Korea

Ho Jun Byun