Lg Innotek Co., Ltd.

Ji Wook Moon

Woo Seuk Song

Ki Ho Hong

Hyun Goo Kang

Seung Jae Lee

Ji Hye Kim

Jin Sung Kim

Bong Kul Min

Hyoung Jin Kim

Sun Young Park

Chang Man Lim

Jae Moon Lee

Seung Hak Lee

Yu Jeong Cho

Yong Jin Noh

Ga Yeon Lee

A reflective module disclosed in an embodiment of the invention includes a holder having an inclined bottom surface and both side walls of the inclined bottom surface; a reflective member disposed on the holder; and an adhesive bonding the reflective member to the holder, wherein the reflective member includes an incident surface, an exit surface, and a reflective surface opposite to the bottom surface, and the holder has a first surface facing both side surfaces of the reflective member. and a second recess portion, wherein the adhesive includes: a first adhesive adhered to lower portions of each side of the reflective member within the first and second recess portions; and a second adhesive adhered to an upper portion of each side surface of the reflective member, and the first and second adhesives may be of different types.

Reflection module and camera module comprising same

An embodiment relates to a phosphor composition, a light-emitting device package comprising the same, and a lighting apparatus and, more particularly, to a phosphor composition comprising a first phosphor, excited by an excitation light source, for emitting a first wavelength range of light, a second phosphor, excited by the excitation light source, for emitting a second wavelength range of light, and a third phosphor, excited by the excitation light source, for emitting a third wavelength range of light. The light emitted from the phosphor composition exhibits an increased intensity of light in a blue-green wavelength region with the consequent improvement of color rendering index and a shortened wavelength of light in a red wavelength region with the consequent improvement of luminous flux.

Phosphor composition, light-emitting device package comprising same, and lighting apparatus

According to an embodiment, a phosphor composition and a light-emitting device package including the same includes a first phosphor excited by an excited light source so as to emit light of a first wavelength area; a second phosphor excited by the excited light source so as to emit light of a second wavelength area; and a third phosphor excited by the excited light source so as to emit light of a third wavelength area. Therefore, light emitted from the phosphor composition has an improved color rendering index due to an increase in the intensity of light in a cyan wavelength area, and has an improved light velocity due to a shortened wavelength of light in a red wavelength area.

Phosphor composition, light-emitting device package including same, and lighting device

Embodiments provide a light-emitting device comprising: a light-emitting element configured for emitting excited light; a first wavelength conversion material to partially absorbs the excited light and emits light with a first emission wavelength; a second wavelength conversion material to partially absorbs the excited light and emits light with a second emission wavelength; and a third wavelength conversion material to partially absorbs the excited light and emits light with a third emission wavelength, wherein the first emission wavelength has a first emission peak at 530 nm to 540 nm, the second emission wavelength has a second emission peak at 550 nm to 560 nm, the third light-emitting device has a third emission peak at 620 nm to 650 nm.

Lighting emitting apparatus

An embodiment provides a phosphor composition and a light emitting device package comprising the same, wherein the phosphor composition comprises green phosphor, amber phosphor, and red phosphor, wherein the amber phosphor is expressed as chemical formula LiSiAlON:Eu, where 2&#x2264;m&#x2264;5, 2&#x2264;n&#x2264;10, 0.01&#x2264;X&#x2264;1. The light emitting element package of the embodiment can display white light having improved brightness and color rendering index.

Phosphor composition, light emitting element package comprising same, and lighting system

A phosphor and a light emitting device comprising the same are disclosed in embodiments. The phosphor disclosed in an embodiment comprises a phosphor composition of a MDOF:Astructure containing a divalent metal (M), an elements (A) of the active agent, a fluorine or fluor (F) and an oxygen (O), and, wherein the x satisfies a range of 0.001&#x2264;x&#x2264;0.1, and the y satisfies a range of 1&#x2264;y&#x2264;5, wherein the M is at least one of Mg, Ca, Sr, Ba and Zn, wherein the D is at least one of Si, Ge, Sn, Ti, Zr and Hf, wherein the F is fluorine, wherein the A comprises at least one of Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, and Yb, wherein the phosphor composition emits red light by a peak wavelength of 400 nm to 470 nm as an excitation wavelength, wherein the red light has a peak wavelength of 655 nm to 670 nm and has a FWHM of less than 20 nm.

Phosphor and light emitting device having the same

Disclosed are a phosphor composition and a light emitting apparatus including the same. The phosphor composition has a compositional formula of ACO:RE, wherein the z is 0&#x2264;z&#x2264;3, the x is 0&#x2264;x&#x2264;5, the A includes at least one selected from the group consisting of Y, Sc, Gd and Lu, the C includes at least one selected from the group consisting of B, Al and Ga, and the RE includes at least one selected from the group consisting of Eu, Ce, Sm, Yb, Dy, Gd, Tm and Lu. The light emitting apparatus includes the phosphor composition.

Phosphor composition and light emitting device package having the same

An embodiment provides a light-emitting device package comprising: a first lead frame; a second lead frame; a light-emitting device electrically connected to the first lead frame and the second lead frame; a molding unit arranged to surround the light-emitting device; and an oxynitride-based phosphor represented by chemical formula LXMYOaNbAcBd:zR (1&#x2266;X&#x2266;3, 3&#x2266;Y&#x2266;7, 0.001&#x2266;Z&#x2266;1.0, 0&#x2266;a&#x2266;5, 0.1&#x2266;b&#x2266;9, 0.001&#x2266;c&#x2266;0.3, 0.001&#x2266;d&#x2266;0.3), and the light-emitting device package of the present embodiment can implement a white color light having excellent luminance and color rendering index.

Light-emitting device package containing oxynitride-based phosphor and lighting apparatus containing same

Disclosed are a phosphor and a light emitting device having the same. The light emitting device includes a light emitting chip, a plurality of phosphors to absorb a portion of light emitted from the light emitting chip and to emit lights having mutually different peak wavelengths, and a molding member provided on the light emitting chip and including the phosphors. The phosphors include a first phosphor to emit light having a first peak wavelength, a second phosphor to absorb the portion of the light emitted from the light emitting chip and to emit light having a second peak wavelength, and a third phosphor to absorb the portion of the light emitted from the light emitting chip and to emit light having a third peak wavelength. The first to third peak wavelengths have mutually different color spectrums, and a light emission spectrum in which the first to third peak wavelengths are mixed with each other has a luminous intensity having a substantially flat section in at least 30 nm at a peak wavelength thereof.

Disclosed are a phosphor and a light emitting device including the same. The light emitting device includes a light emitting chip, a phosphor layer on the light emitting chip, and a phosphor added into the phosphor layer to absorb a light emitted from the light emitting chip and emit a central wavelength having a first blue color. The phosphor has a composition formula of LaOSiAlN:Ce, a range of the x is 2&#x2266;x&#x2266;8, and a range of the y is 3&#x2266;y&#x2266;12.

Growing community of inventors

Seoul, South Korea

Ji Wook Moon