Therapy device for irradiating a surface of a tissue, in particular skin tissue, which comprises, in a multiple arrangement, a plurality of first LEDs having a first central wavelength and a plurality of second LEDs having a second central wavelength, the first central wavelength being suitable for carrying out a first type of phototherapy on the tissue and the second central wavelength being suitable for simultaneously carrying out a second type of phototherapy on the tissue, it being possible to control the plurality of first LEDs and the plurality of second LEDs separately with respect to their power and irradiation duration as electrical operating variables; the first LEDs and the second LEDs being arranged on a component carrier, the outer dimensions of which substantially correspond to the surface of the tissue to be irradiated, and the power output, the duration and the switched-on state of the first LEDs and/or the second LEDs being stored in a program memory as therapy data such that the first LEDs and/or the second LEDs can be controlled with regard to their power output according to a predetermined program; characterized in that: an optical module for laterally limiting the radiation in an exposure field is assigned to each first LED and each second LED such that first exposure fields are assigned to the plurality of first LEDs and second exposure fields are assigned to the plurality of second LEDs, the first exposure fields and the second exposure fields combining with one another on the surface of the tissue to form a common irradiation region such that both the first exposure fields combine with one another to form the common irradiation region and the second exposure fields combine with one another to form the common irradiation region such that each first exposure field having a power and energy density above a therapy threshold indicated for the first type of phototherapy and each second exposure field having a power and energy density above a therapy threshold indicated for the second type of phototherapy can be irradiated with the most homogeneous power distributions possible, it being possible to individually select, for each first exposure field and each second exposure field, whether or not the first LED or first LEDs or the second LED or second LEDs assigned to the exposure field should be activated. the first LEDs and the second LEDs being arranged on a component carrier, the outer dimensions of which substantially correspond to the surface of the tissue to be irradiated, and the power output, the duration and the switched-on state of the first LEDs and/or the second LEDs being stored in a program memory as therapy data such that the first LEDs and/or the second LEDs can be controlled with regard to their power output according to a predetermined program; characterized in that: an optical module for laterally limiting the radiation in an exposure field is assigned to each first LED and each second LED such that first exposure fields are assigned to the plurality of first LEDs and second exposure fields are assigned to the plurality of second LEDs, the first exposure fields and the second exposure fields combining with one another on the surface of the tissue to form a common irradiation region such that both the first exposure fields combine with one another to form the common irradiation region and the second exposure fields combine with one another to form the common irradiation region such that each first exposure field having a power and energy density above a therapy threshold indicated for the first type of phototherapy and each second exposure field having a power and energy density above a therapy threshold indicated for the second type of phototherapy can be irradiated with the most homogeneous power distributions possible, it being possible to individually select, for each first exposure field and each second exposure field, whether or not the first LED or first LEDs or the second LED or second LEDs assigned to the exposure field should be activated. an optical module for laterally limiting the radiation in an exposure field is assigned to each first LED and each second LED such that first exposure fields are assigned to the plurality of first LEDs and second exposure fields are assigned to the plurality of second LEDs, the first exposure fields and the second exposure fields combining with one another on the surface of the tissue to form a common irradiation region such that both the first exposure fields combine with one another to form the common irradiation region and the second exposure fields combine with one another to form the common irradiation region such that each first exposure field having a power and energy density above a therapy threshold indicated for the first type of phototherapy and each second exposure field having a power and energy density above a therapy threshold indicated for the second type of phototherapy can be irradiated with the most homogeneous power distributions possible, it being possible to individually select, for each first exposure field and each second exposure field, whether or not the first LED or first LEDs or the second LED or second LEDs assigned to the exposure field should be activated.