Ivoclar Vivadent Ag

Ivoctar Vivadent Ag

Ivocler Vivadent Ag

Wolfgang Plank

Bruno Senn

Gottfried Rohner

Peter Burtscher

Reinhard Goerge

Thomas Stahl

Andreas Rathke

The invention relates to an apparatus for irradiating an object, in particular for light-curing a dental object by means of a first radiation, the apparatus comprising at least one radiation source for emitting the first radiation, the apparatus further comprising at least one radiation sensor for measuring at least a second radiation, and the apparatus further comprising a housing. The second radiation is the first radiation reelected by the object.

Apparatus for light-curing a dental object

A light hardening device is provided for hardening a light hardenable mass applied for dental purposes that has a first light emitting diode for emitting light at a range of intensities corresponding to a set of wavelengths which at most only partially overlap a range of light sensitivities of a photo initiator comprised in the mass. The light hardening device also includes a second light emitting diode for emitting light at a range of intensities corresponding to a set of wavelengths which overlap the set of photo initiator light sensitivities to a relatively greater extent than the partial overlap of the range of first light emitting diode intensities with the range of photo initiator light sensitivities.

Light hardening device and method for hardening a polymerizable mass for dental applications

The invention relates to a light curing device, comprising a light source which is accommodated in a housing which has a light exit, through which light leaves the housing. It is provided that the light exiting direction of the light beam is variable, in particular infinitely variable.

Light curing device

The invention relates to a semiconductor radiation source comprising a base body which is connected to at least one LED chip thermally connected to an end side of the base body and a pliable flexible printed circuit board fitted on the same end side of the base body. The flexible printed circuit board at least partly surrounds the LED chip, has at least one printed-on conductor track () electrically connected to the LED chip and, in the peripheral region of the base body, has an angled-away section () extending at least partly along a side wall of the base body. At least one part of the section of the flexible printed circuit board () extends at least partly in an in particular lateral cutout () into the base body ().

Semiconductor radiation source

The invention relates to a light curing device/base station combination, comprising a heat absorbing element, which is in particular metallic, and which is in thermally conducting connection with a heat source, in particular a light source, and in particular comprising a handle. The base station () has for the light curing device () a heat dissipating device(), which lies against the heat absorbing element () when the light curing device () is accommodated in or on the base station ().

Light curing device/base station combination

The present Invention relates to a hand-held light curing device (), in particular for the dental sector, with a base station () or a rest, on which the light curing device () having a light source () is supported. A sensor () is fitted on the base station () or the rest or on the light curing device (), and the sensor () initializes the light curing device ().

Hand-held light curing device

The invention relates to a light measuring device, in particular for dental light curing devices, for detecting the illumination intensity of a light source, which is arranged, in particular, in the light curing device, to which a light guiding device, in particular, having a light exit surfaceat its outlet, is connected, the light measuring devicehaving at least four measurement fieldsdistributed in two dimensions.

Dental light curing device coupled to a light measuring device

The invention relates to a light curing device () having a light source (), which is mounted such that it is thermally conductively connected to a heat sink (), with electrical components which are fitted to a printed circuit board. The components are at least partially arranged in the cooling air stream of the heat sink () and the cooling air stream is at least partially guided by the printed circuit board.

The invention relates to a light emission device, comprising at least two light-emitting semiconductor chips and a substrate. At least one first semiconductor chip () is fitted on the substrate and a second semiconductor chip () is fitted on the first semiconductor chip ().

Light emission device

A device () and method for determining and controlling the degree of polymerization of polymerizable dental material (), which device includes a light and/or heat source (or), with which the dental material () is impinged. The device further includes a control device () and a sensor () connected to the control device (), whereby the sensor () detects radiation (natural radiation) emitted from the dental material () of a predetermined wavelength.

Device and method for determining and controlling the degree of polymerization of polymerizable dental material

Combined light hardening apparatus and base unit therefor

The invention relates to a light measurement apparatus (), having a light source to which a light guide apparatus () is connected, with the light guide apparatus () having a light outlet area () on the light output side and the light measurement apparatus () having a light sensor arrangement (), and having a stop for the light guide apparatus () to make contact with. The light sensor arrangement () has at least two sensors (, . . . ), to which light from the light outlet area () can be applied.

Light measurement apparatus

Provision is made of a semiconductor radiation source having a base body on which at least two LED chips are mounted, at least one chip of which is connected to a series resistor which can be adjusted. The LED chips () are fitted to the base body () using a thermally conductive connection and at least one printed circuit board () which bears the series resistor () is also mounted on the base body ().

Growing community of inventors

Rankweil, Austria

Wolfgang Plank