Abstract: 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 (12) has for the light curing device (14) a heat dissipating device(27), which lies against the heat absorbing element (24) when the light curing device (14) is accommodated in or on the base station (12).

Abstract: 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.

Abstract: 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 (12) is fitted on the substrate and a second semiconductor chip (14) is fitted on the first semiconductor chip (12).

Abstract: The invention relates to a light curing device (10) having a light source (14), which is mounted such that it is thermally conductively connected to a heat sink (12), 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 (12) and the cooling air stream is at least partially guided by the printed circuit board.

Abstract: The present Invention relates to a hand-held light curing device (10), in particular for the dental sector, with a base station (30) or a rest, on which the light curing device (10) having a light source (10) is supported.

Abstract: The invention relates to a light measurement apparatus (34), having a light source to which a light guide apparatus (24) is connected, with the light guide apparatus (24) having a light outlet area (30) on the light output side and the light measurement apparatus (34) having a light sensor arrangement (36), and having a stop for the light guide apparatus (24) to make contact with. The light sensor arrangement (36) has at least two sensors (40a, 40b, 40c, . . . ), to which light from the light outlet area (30) can be applied.

Abstract: 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 (12, 14) are fitted to the base body (24) using a thermally conductive connection and at least one printed circuit board (30) which bears the series resistor (40, 42) is also mounted on the base body (24).

Abstract: A semiconductor radiation source has a base body on which at least two LED chips are directly mounted and are fitted to the base body using a thermally conductive connection. At least one printed circuit board is mounted on the base body and extends from the centrally arranged LED chips to the outside, in particular to the peripheral region of the base body, and projects, in particular, into free areas which extend laterally beside the chips or between the latter.

Abstract: A semiconductor radiation source, having at least two light sources which are fixed on a common base body and so light can be emitted gently over a total emission spectrum, the first light source having a short-wave, in particular from 400 to 430 nm emission spectrum, and the second light source having a longer-wave, in particular from approximately 450 to 480 nm emission spectrum. The first light source (16) is arranged in an optical axis (22) and the second light source (18) has at least two chips (24, 26, 28, 30) which are arranged in particular symmetrically with respect to one another and with respect to the optical axis (22) and in a manner surrounding the optical axis (22).

Abstract: A device (10) and method for determining and controlling the degree of polymerization of polymerizable dental material (14), which device includes a light and/or heat source (18 or 20), with which the dental material (14) is impinged. The device further includes a control device (26) and a sensor (24) connected to the control device (26), whereby the sensor (24) detects radiation (natural radiation) emitted from the dental material (14) of a predetermined wavelength.

Abstract: A light polymerization device for polymerization of a polymerizable material includes a hand-held device having a multi-branch electrical supply receptacle or a multi-prong electrical supply plug for the connection of the hand-held device with the storage battery assembly or with a connection module, which, in particular, makes available a releasably connectable electrical supply connection as well as a data bus port or interface. A base station comprises a single receptacle or several receptacles for the receipt of the storage battery assembly. The base station can comprise an electrical supply plug connection via which the base station is supplied with electrical energy, especially electrical energy supplied via a power pack.

Abstract: A light polymerization device particularly suitable for the polymerization of dental material. The device includes a housing, a fan installed in the housing, the fan being in particular an axial fan, and a light source which emits polymerization radiation. The rotational axis of the fan extends transversely to the emission axis of the light source, and the air outlet of the fan can be on a side of the housing.

Abstract: A lighting apparatus for dental purposes having plurality of light sources supported on semi-conductor bases, which are mounted on a substrate is provided. The lighting apparatus includes a reflective over surface encircling the light sources which reflects visible light. The lighting apparatus may be deployed in a light hardening device as a light source unit with the emitted light beams being conducted, in particular, by a prismatic body, to a light guiding conduit.

Abstract: A light hardening apparatus for hardening light hardenable material includes a printed circuit having a carrier layer comprised of isolating material. The printed circuit is bendable and has conductor paths extending thereon or therethrough at spacings from one another. The apparatus includes a cooling body and a light source having a plurality of light emitting diode (LED) chips.

Abstract: A dental apparatus for hardening dental restoration components is provided that includes a control device controllable via a wireless communications unit and operable to exchange data with a communications unit. The control device is programmable to configure the control device to control a polymerization cycle and is connected with the communications unit with which the control unit exchanges data for changing the programming of the control device.

Abstract: A light hardening apparatus particularly suitable for effecting the hardening of dental restoration material is provided and includes two semiconductor light sources cooperable with a light-guiding element for guiding the light from the semiconductor light source to the dental restoration material to effect the hardening thereof. The two semiconductor light sources have an emission spectrum with at least two maximums of which one of the maximums lies at approximately 420 nm and the other maximum lies at approximately 470 nm.

Abstract: 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.

Abstract: A light hardening apparatus for effecting the photopolymerization of a light hardenable dental restoration material is provided and includes a plurality of light sources supported on semi-conductor bases, which are mounted on a substrate. The light sources are arranged in at least two light source groups such that one group of light sources is disposed for irradiating a region of the dental restoration material and another group of light sources is arranged for irradiating a different region of the dental restoration material. The two groups of light sources are controllable to irradiate their respective associated regions of the dental restoration material independently of one another.

Abstract: A light polymerization device particularly suitable for the polymerization of dental material. The device includes a housing, a fan installed in the housing, the fan being in particular an axial fan, and a light source which emits polymerization radiation. The rotational axis of the fan extends transversely to the emission axis of the light source, and the air outlet of the fan can be on a side of the housing.

Abstract: A light polymerization device for polymerization of a polymerizable material includes a hand-held device having a multi-branch electrical supply receptacle or a multi-prong electrical supply plug for the connection of the hand-held device with the storage battery assembly or with a connection module, which, in particular, makes available a releasably connectable electrical supply connection as well as a data bus port or interface. A base station comprises a single receptacle or several receptacles for the receipt of the storage battery assembly. The base station can comprise an electrical supply plug connection via which the base station is supplied with electrical energy, especially electrical energy supplied via a power pack.