The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 24, 2012
Filed:
Jun. 11, 2007
Uk Kang, Gunpo-si, KR;
Soo Jin Bae, Ansan-si, KR;
Geun Hie Rim, Changwon-si, KR;
Guang Hoon Kim, Busan, KR;
Geri. V Papayan, Saint Petersburg, RU;
Uk Kang, Gunpo-si, KR;
Soo Jin Bae, Ansan-si, KR;
Geun Hie Rim, Changwon-si, KR;
Guang Hoon Kim, Busan, KR;
Geri. V Papayan, Saint Petersburg, RU;
Korea Electro Technology Research Institute, Changwon-Shi, Gyeongsangnam-Do, KR;
Abstract
The present invention provides an apparatus for white light observation and fluorescence diagnosis of skin diseases. More particularly, the present invention provides an apparatus for photodynamic diagnosis in which a plurality of excitation light emitting diodes (LEDs) is provided in an image pick-up head, the excitation LEDs being arranged to illuminate the entire examination region in the form of a mosaic by setting respective illumination light axes of the excitation LEDs to illuminate preassigned individual areas of the examination region, thus uniformly illuminating the examination region in a wide field of view with excitation light. In the apparatus for photodynamic diagnosis, the respective excitation LEDs are provided at the same or different angles based on the light axis of the object lens, and thereby it is possible that the beams of the light sources composed of the LEDs illuminate the field of view of the examination region uniformly, thus improving the uniformity of illumination. Moreover, the present invention provides an apparatus for photodynamic diagnosis in which warm white LEDs and cold white LEDs as white light sources are appropriately arranged so as to deliver natural colors and thereby to reproduce natural color images.