CA2149339A1 - A portable light emitting apparatus with a semiconductor emitter array - Google Patents

A portable light emitting apparatus with a semiconductor emitter array

Info

Publication number
CA2149339A1
CA2149339A1 CA002149339A CA2149339A CA2149339A1 CA 2149339 A1 CA2149339 A1 CA 2149339A1 CA 002149339 A CA002149339 A CA 002149339A CA 2149339 A CA2149339 A CA 2149339A CA 2149339 A1 CA2149339 A1 CA 2149339A1
Authority
CA
Canada
Prior art keywords
light emitting
operative
emitting diode
light
semiconducting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002149339A
Other languages
French (fr)
Other versions
CA2149339C (en
Inventor
John Kennedy
Roy Kayser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lumen Dynamics Group Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2149339A1 publication Critical patent/CA2149339A1/en
Application granted granted Critical
Publication of CA2149339C publication Critical patent/CA2149339C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/003—Apparatus for curing resins by radiation
    • A61C19/004—Hand-held apparatus, e.g. guns
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N5/0613—Apparatus adapted for a specific treatment
    • A61N5/062—Photodynamic therapy, i.e. excitation of an agent
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H05B45/22—Controlling the colour of the light using optical feedback
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H05B45/24—Controlling the colour of the light using electrical feedback from LEDs or from LED modules
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C2204/00—Features not otherwise provided for
    • A61C2204/002—Features not otherwise provided for using batteries
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0635—Radiation therapy using light characterised by the body area to be irradiated
    • A61N2005/0643—Applicators, probes irradiating specific body areas in close proximity
    • A61N2005/0644—Handheld applicators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/065—Light sources therefor
    • A61N2005/0651—Diodes
    • A61N2005/0652—Arrays of diodes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4298—Coupling light guides with opto-electronic elements coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

Landscapes

  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Radiation-Therapy Devices (AREA)
  • Led Devices (AREA)
  • Led Device Packages (AREA)

Abstract

A hand-hold portable light,emitting device (10) suitable for medical and industrial photocuring and phototherapy applications. The hand-held portable light emitting-device (10) comprises: (a) a portable housing (12) having a front end and rear end; (b) light emitting semiconducting means (14) having a matrix of a plurality of light emitting diode means (22) mounted at said front end, said light emitting diode means (22) being operative to emit light energy suitable for initiating a photo-reaction; (c) power means (20) coupled to said semiconducting means (14) and operative to provide the electrical power for energizing said plurality of light emitting diode means (22) to emit in combination said light energy; (d) control means (48) connected to said semiconducting,means (14) and said power means (20), and operative to vary the level of said light energy; (e) mounting means provided at said front-end of said housing, and (f) an optical assembly (18) mounted to said mounting means, said optical assembly being operative to direct said light energy generated from said light emitting diode means to a photo-reaction location disposed to said optical assembly.
CA002149339A 1993-09-13 1994-09-12 A portable light emitting apparatus with a semiconductor emitter array Expired - Lifetime CA2149339C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US119,571 1993-09-13
US08/119,571 US5420768A (en) 1993-09-13 1993-09-13 Portable led photocuring device
PCT/CA1994/000543 WO1995007731A1 (en) 1993-09-13 1994-09-12 A portable light emitting apparatus with a semiconductor emitter array

Publications (2)

Publication Number Publication Date
CA2149339A1 true CA2149339A1 (en) 1995-03-23
CA2149339C CA2149339C (en) 2006-02-14

Family

ID=22385117

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002149339A Expired - Lifetime CA2149339C (en) 1993-09-13 1994-09-12 A portable light emitting apparatus with a semiconductor emitter array

Country Status (4)

Country Link
US (2) US5420768A (en)
AU (1) AU7737894A (en)
CA (1) CA2149339C (en)
WO (1) WO1995007731A1 (en)

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US5634711A (en) 1997-06-03
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