Abstract: The present application is concerned with a skin treatment device that has a handle section arranged to be held in a human user's hand, a treatment head section having a skin treatment unit and a skin contact frame having a skin contact surface, the skin contact frame at least partially encircling a skin treatment area and a vibration generation unit being coupled with the skin contact frame to vibrate at least a portion of the skin contact frame at an ultrasonic frequency.

Abstract: A light-based epilation device having at least two sub-groups of light emission elements, each of the sub-groups of light emission elements having at least one distinct light emission element, wherein the sub-groups of light emission elements are arranged for separate energizing, and a controller unit arranged for energizing the sub-groups of light emission elements in accordance with an energizing sequence so that the light emission unit quasi-continuously emits light

Abstract: The present application is concerned with a skin treatment device that has a handle section arranged to be held in a human user's hand, a treatment head section having a skin treatment unit and a skin contact frame having a skin contact surface, the skin contact frame at least partially encircling a skin treatment area and a vibration generation unit being coupled with the skin contact frame to vibrate at least a portion of the skin contact frame at an ultrasonic frequency.

Abstract: The present invention refers to a skin or hair treatment device for emitting intense light radiation with an integrated sensor. The device has a housing; a treatment light source, wherein the treatment light source comprises an array of a plurality of light emitting elements arranged on a substrate; a sensor system, the sensor system has at least one sensing light source for emitting sensing light and at least one light sensor for detecting the sensing light, wherein the at least one sensing light source and the at least one light sensor are directed towards a device treatment window; and a control circuit having a processor.

Abstract: The present invention is concerned with a skin treatment device, in particular a hair removal device, having a light emission unit comprising a substrate and a plurality of first LED dies mounted on the substrate on an area of at least 0.2 cm2, in particular of at least 1 cm2, wherein the skin treatment device is arranged to activate the first LED dies to emit a treatment light pulse having a pulse length in particular in the range of between 10 ms and 300 ms and the first LED dies have a radiant flux such that a radiant fluence on the skin of a user of at least 1 J/cm2 is achieved by application of the treatment light pulse, wherein the light emission unit has at least two selectable active areas of first LED dies, where the selectable active areas have different sizes, and at least three second LED dies are mounted on the substrate at locations suitable for visibly indicating each of the selectable active areas.

Abstract: The present invention is concerned with a hair removal device having a light emission unit having a substrate and a plurality of first LED dies that are mounted on the substrate on an area of at least 0.2 cm2, in particular of at least 1 cm2, the first LED dies having a peak emission wavelength in the far red or infrared wavelength range of between 700 nm and 980 nm, wherein the hair removal device is arranged to emit a treatment light pulse having a pulse length in the range of between 60 ms and 120 ms and the first LED dies have a radiant flux such that a radiant fluence on the skin of a user in the range of between 3 J/cm2 and 7 J/cm2 is achieved by application of the treatment light pulse.

Abstract: The present disclosure is concerned with a skin treatment device having at least a first LED, at least a first controllable current source, in particular a first controllable constant current source, for driving the first LED, a control unit for controlled switching of at least the first controllable current source between a first state in which current is provided to the first LED and a second state in which no current is provided to the first LED, and at least a first current sensor that is connected or connectable with the first LED so that the first current sensor and the first LED form a current path at least in the second state of the first controllable current source.

Abstract: The present invention is concerned with a hair removal device for removal of red hairs that has a light emission unit having a substrate and a plurality of first LED dies emitting at a peak emission wavelength in a wavelength range of between about 480 nm and about 510 nm, the first LED dies being mounted on the substrate on an area in the range of between about 0.2 cm2 and about 100 cm2, wherein the hair removal device is arranged to emit a treatment light pulse by the first LED dies having a pulse length in the range of between about 30 ms and about 200 ms, and the first LED dies have a radiant flux such that a radiant fluence on the skin of a user in the range of between about 3 J/cm2 and about 6 J/cm2 is achieved by application of the treatment light pulse.

Abstract: The present invention is concerned with a skin treatment device, in particular a temporal hair removal device, having a light emission unit having a substrate, a plurality of first LED dies mounted on the substrate on an area of at least 0.2 cm2, in particular of at least 1.

Abstract: The present invention refers to a skin or hair treatment device for emitting intense light radiation with an integrated sensor. The device has a housing; a treatment light source, wherein the treatment light source comprises an array of a plurality of light emitting elements arranged on a substrate; a sensor system, said sensor system has at least one sensing light source for emitting sensing light and at least one light sensor for detecting the sensing light, wherein the at least one sensing light source and the at least one light sensor are directed towards a device treatment window; and a control circuit having a processor. The device further has a circular polarizer interposed between the device treatment window and the at least one sensing light source and the at least one light sensor; and a shielding interposed between the at least one sensing light source and the at least one light sensor.

Abstract: A light-based epilation device having at least two sub-groups of light emission elements, each of the sub-groups of light emission elements having at least one distinct light emission element, wherein the sub-groups of light emission elements are arranged for separate energizing, and a controller unit arranged for energizing the sub-groups of light emission elements in accordance with an energizing sequence so that the light emission unit quasi-continuously emits light

Abstract: The invention relates to a skin treatment device comprising a handle with an energy supply, an application head with at least one heat source comprising at least one semiconductor light source, and at least one heat sink comprising cooling fins. The heat sink is located remote from the heat source within the handle. Further, the heat source is thermally connected to the heat sink by means of a heat transfer system (6, 6?, 6?) which comprises a hermetically sealed tubular body containing a working medium, wherein the pressure within the tubular body is chosen such that the working medium is a saturated liquid at room temperature and may be vaporized by the heat source.

Abstract: The present disclosure is concerned with a skin treatment device having at least a first LED, at least a first controllable current source, in particular a first controllable constant current source, for driving the first LED, a control unit for controlled switching of at least the first controllable current source between a first state in which current is provided to the first LED and a second state in which no current is provided to the first LED, and at least a first current sensor that is connected or connectable with the first LED so that the first current sensor and the first LED form a current path at least in the second state of the first controllable current source.

Abstract: The present invention is concerned with a hair removal device for removal of red hairs that has a light emission unit having a substrate and a plurality of first LED dies emitting at a peak emission wavelength in a wavelength range of between about 480 nm and about 510 nm, the first LED dies being mounted on the substrate on an area in the range of between about 0.2 cm2 and about 100 cm2, wherein the hair removal device is arranged to emit a treatment light pulse by the first LED dies having a pulse length in the range of between about 30 ms and about 200 ms, and the first LED dies have a radiant flux such that a radiant fluence on the skin of a user in the range of between about 3 J/cm2 and about 6 J/cm2 is achieved by application of the treatment light pulse.

Abstract: The present invention is concerned with a skin treatment device, in particular a temporal hair removal device, having a light emission unit having a substrate, a plurality of first LED dies mounted on the substrate on an area of at least 0.2 cm2, in particular of at least 1.

Abstract: The present invention is concerned with a skin treatment device, in particular a hair removal device, having a light emission unit comprising a substrate and a plurality of first LED dies mounted on the substrate on an area of at least 0.2 cm2, in particular of at least 1 cm2, wherein the skin treatment device is arranged to activate the first LED dies to emit a treatment light pulse having a pulse length in particular in the range of between 10 ms and 300 ms and the first LED dies have a radiant flux such that a radiant fluence on the skin of a user of at least 1 J/cm2 is achieved by application of the treatment light pulse, wherein the light emission unit has at least two selectable active areas of first LED dies, where the selectable active areas have different sizes, and at least three second LED dies are mounted on the substrate at locations suitable for visibly indicating each of the selectable active areas.

Abstract: The present invention is concerned with a hair removal device having a light emission unit having a substrate and a plurality of first LED dies that are mounted on the substrate on an area of at least 0.2 cm2, in particular of at least 1 cm2, the first LED dies having a peak emission wavelength in the far red or infrared wavelength range of between 700 nm and 980 nm, wherein the hair removal device is arranged to emit a treatment light pulse having a pulse length in the range of between 60 ms and 120 ms and the first LED dies have a radiant flux such that a radiant fluence on the skin of a user in the range of between 3 J/cm2 and 7 J/cm2 is achieved by application of the treatment light pulse.