Seoul Viosys Co., Ltd.

Yeong Min Yoon

A Young Lee

Hee Ho Bae

Joon-Pio Hong

Chung Hoon Lee

Hyun-Suk Suh

A light emitting apparatus including a first light emitter including at least one first light emitting diode and a wavelength converter, and a second light emitter including at least one second light emitting diode, in which the first light emitting diode emits light having a central wavelength in a range of violet or blue, the second light emitting diode emits light having a central wavelength in a range of about 400 nm to 420 nm, the wavelength converter includes green and red phosphors to convert light of the first light emitting diode into the white light, in the white light, an irradiance of light emitted from the first light emitting diode is less than that from the red phosphor, and an irradiance of light emitted from the second light emitting diode is greater than that of the white light emitted from the first light emitter at the same wavelength.

LED lighting apparatus having sterilizing function

A lighting apparatus is disclosed. The lighting apparatus according to one embodiment of the present disclosure includes: a white light emitting device including at least one first light emitting diode and a wavelength converter to implement white light; and at least one second light emitting diode emitting light suitable for producing a cell activating substance, wherein the first light emitting diode emits light having a central wavelength in a range of about 300 nm to about 420 nm, the second light emitting diode emits light having a central wavelength in a range of about 605 nm to about 935 nm, the wavelength converter includes a plurality of wavelength conversion substances to convert light of the first light emitting diode into white light, the lighting apparatus emits the white light implemented in the white light emitting device and light generated by the second light emitting diode to the outside, and, in irradiance spectrum of the white light implemented in the white light emitting device, irradiance of the central wavelength of light emitted from the first light emitting diode is smaller than that of a peak wavelength of blue light emitted from the wavelength conversion substance.

A lighting apparatus is disclosed. The lighting apparatus according to one embodiment of the present disclosure includes: a white light emitting device including at least one first light emitter and a wavelength converter to implement white light; and at least one second light emitter emitting light having a different peak wavelength. The wavelength converter can include a plurality of wavelength conversion substances to convert light of the first light emitter into white light. The lighting apparatus can emit the white light implemented in the white light emitting device and light generated by the second light emitter to the outside, and, the light emitted by the second light emitter can include an irradiance spectrum having a wavelength region with a greater irradiance that an irradiance of the light emitted from the white light emitting device within the same wavelength region.

Lighting apparatus

A light radiation device includes a housing, a substrate provided in the housing, and a light source mounted on the substrate. The light source includes a first light source including at least one first light source to emit first light having a blue wavelength band, a second light source including at least one second light source to emit second light having an ultraviolet wavelength band, and a control unit to control the first light source and the second light source such that the second light source sequentially emits the second light after the first light source emits the first light. A dose of the second light source is less than {right arrow over (1)}/10 of a dose of the first light source.

Light radiation device for medical treatment

A light source for eye wellness configured to emit light having a wavelength range from 380 nm to 780 nm, and has a spectrum area that overlaps at least 55% of an area of a normalized solar spectrum, in which a valley wavelength of the light has a deviation equal to or less than 0.15 form the normalized solar spectrum in the wavelength range from 460 nm to 490 nm, and a color temperature of the light is in a range of 2600K to 7000K.

Light source for eye therapy and light emitting device having the same

A light irradiation apparatus includes first and second light sources that emit first light and second light, respectively. The first and the second lights have mutually different wavelengths at timings close to each other, regardless of overlap between the first light and the second light. The first light has a wavelength band for inducing destruction of bacteria by damaging a cell of the bacteria as the first light acts on a photosensitizer present in the bacteria. The second light has a wavelength band for inducing the destruction of the bacteria by changing the structure of a genetic material present in the cell of the bacteria. A dose of the second light source is less than 1/10 of a dose of the first light source.

Light irradiation apparatus

A light irradiation device including an injection unit to inject a sample, and a light source to apply light to the sample to identify an abnormal cell in the sample, the light source including a substrate and a light emitter including a light emitting diode, in which the light emitted is to cut a genetic material in the sample into sections of different sizes, and to deform the genetic material to different degrees, such that a determination of an abnormality of the sample is based on the degree of deformation, and an irradiation amount or intensity of the light is at an intensity in which a cytotoxicity value of the sample is greater than or equal to a predetermined value, and a ratio of a degree of deformation of the genetic material of the normal sample to that of the abnormal sample is set to be a minimum value.

A lighting apparatus including at least two of first, second, and third light units, in which the first light unit includes a first LED emitting light having a peak wavelength in a range of 286 to 304 nm and a first wavelength converter, and to emit a portion of light from the first LED to the outside, the second light unit includes a second LED emitting light having a peak wavelength in a range of 400 to 420 nm and a second wavelength converter, and to emit a portion of light from the second LED to the outside, and the third light unit includes a third LED emitting light having a peak wavelength in a range of 286 to 470 nm and a third wavelength converter emitting light having a central wavelength in a range of 685 to 705 nm, 790 to 840 nm, or 875 to 935 nm.

LED lighting apparatus having additional function

A light irradiation device includes a light source unit emitting a light to a wounded are of a skin and a controller controlling the light source unit. The light source unit includes a substrate, at least one first light source disposed on the substrate and emitting a first light in a blue wavelength band, and at least one second light source disposed on the substrate and emitting a second light in a red wavelength band to a near-infrared wavelength band. The first and second lights have different skin penetration depths from each other depending on a wavelength.

Light irradiation device

A dressing is used for curing a wound, and includes a dressing body having a first plane to make contact with a wound of a patient and a second plane opposite to the first surface, a display unit provided on the second plane to display information, and having a flexibility, and a light irradiation device to apply light the wound of the patient. The light irradiation device includes a device board, at least one light emitting diode mounted on the device board, and a water-proof protective film provided on the light emitting diode to protect the light emitting diode.

Medical dressing

A lighting apparatus including a white light emitting device including at least one first light emitting diode and a wavelength converter to implement white light, and at least one second light emitting diode to emit light to sterilize at least one pathogenic microorganism, in which the first light emitting diode emits light having a central wavelength in a range of violet or blue, the second light emitting diode emits light having a central wavelength in a range of about 400 nm to about 420 nm, the wavelength converter includes a plurality of wavelength conversion substances to convert light of the first light emitting diode into white light, and an irradiance of light emitted from the second light emitting diode is configured to be greater than that from the white light emitting device at the same wavelength.

A light irradiation device includes a first light source emitting first light in a visible wavelength band and a second light source emitting second light, in which at least part of a wavelength band is different from a wavelength band of the first light source and which catalyzes synthesis of a functional substance in a target to which light is applied. The second light includes light in a wavelength band of ultraviolet B.

Light irradiation device for synthesis of functional substance in a human body

A lighting apparatus includes a white light emitting device including a first light emitting diode and a wavelength converter including wavelength conversion substances to convert light of the first light emitting diode, and a second light emitting diode emitting light suitable for sterilizing at least one pathogenic microorganism, in which the first and second light emitting diodes emit light having a central wavelength in a range of about 300 nm to about 420 nm, and in a range of about 400 nm to about 420 nm, respectively, the lighting apparatus emits light generated in the white light emitting device and the second light emitting diode to the outside, and, in irradiance spectrum of the white light, an irradiance at the central wavelength of light emitted from the first light emitting diode is less than that at a peak wavelength of blue light emitted from a blue wavelength conversion substance.

Growing community of inventors

Ansan-si, South Korea

Yeong Min Yoon