Radiative fibers

Abstract

The present invention relates inter alia to light emitting fibers for the application in general lighting, display backlit, information display, and for treatment and/or prophylaxis and/or diagnosis of diseases and/or cosmetic conditions. The fibers can be used for the preparation of any kind of canvas and light emitting devices.

1 .- 23 . (canceled) 
     
     
         24 . An organic light emitting electrochemical cell comprising at least one ionic specie, and at least one organic electroluminescent compound selected from the group consisting of a fluorescent emitter material, a phosphorescent emitter material, and an emissive organo metallic complex, wherein the electrochemical cell is the form of a fiber. 
     
     
         25 . The electrochemical cell according to  claim 24 , wherein the fiber includes a core that is flexible or rigid. 
     
     
         26 . The electrochemical cell according to  claim 24 , further comprising
 a cathode,   a radiation transmissive anode, and   a light emitting layer disposed between the cathode and the anode, wherein the emitting layer comprises the at least one organic electroluminescent compound, and the at least one ionic specie.   
     
     
         27 . The electrochemical cell according to  claim 25 , further comprising
 a cathode positioned over an outer surface of the core,   a radiation transmissive anode, and   a light emitting layer disposed between the cathode and the anode, wherein the emitting layer comprises the at least one organic electroluminescent compound, and the at least one ionic specie.   
     
     
         28 . The electrochemical cell according to  claim 26 , wherein the light emitting layer comprises at least one host material and at least one emitter material, wherein the host material is selected from the group consisting of an anthracene, a benzanthracene, a ketone, a carbazole, a triarylamine, an indenofluorene, a fluorene, a spirobifluorene, a phenanthrene, a dihydrophenanthrene, a thiophene, a triazine, an imidazole, and an isomer or a derivative of each thereof. 
     
     
         29 . The electrochemical cell according to  claim 24 , wherein the electrochemical cell exhibits a symmetric I-VL curve. 
     
     
         30 . The electrochemical cell according to  claim 26 , further comprising at least one functional material selected from the group consisting of a hole transport material (HIM), a hole injection material (HIM), an electron transport material (ETM), and electron injection material (EIM). 
     
     
         31 . The electrochemical cell according to  claim 26 , further comprising at least one ionic transition-metal complex (iTMC). 
     
     
         32 . An organic light emitting electrochemical cell comprising at least one ionic specie, wherein the electrochemical cell exhibits a symmetric I-VL curve, and is the form of a fiber. 
     
     
         33 . A method for the preparation of the organic light emitting electrochemical fiber cell of  claim 27  comprising:
 a) cleaning of the fiber core; 
 b) deposition of the cathode by conformal evaporation of a metal, or as a coating from a solution or formulation that includes a conductive material, by dip-coating or spray coating; 
 c) deposition of the light emitting layer as a coating from a solution or formulation that includes at least one organic electroluminescent compound and at least one ionic species by dip-coating or spray coating; and 
 d) deposition of the radiation transmissive electrode. 
 
     
     
         34 . A canvas comprising the organic light emitting electrochemical cell according to  claim 24 . 
     
     
         35 . An article comprising the organic light emitting electrochemical cell according to  claim 24 . 
     
     
         36 . An article comprising a canvas according to  claim 34 . 
     
     
         37 . The article according to  claim 35 , which is selected from a flat panel, curved panel, plaster, bandage, blanket, sleeping hag, sleeve, implantable probe, nasogastric tube, chest drain, pad, stent, patch, or clothing. 
     
     
         38 . The article according to  claim 35  as a light source for general lighting, as display backlit, or information display. 
     
     
         39 . A method for the treatment and/or prophylaxis and/or diagnosis of skin diseases and/or cosmetic skin conditions of a patient, the method comprising irradiating the skin of the patient with light emitted from the organic light emitting electrochemical cell according to  claim 24 . 
     
     
         40 . The method according to  claim 39 , wherein the skin diseases and/or cosmetic skin conditions are selected from acne, psoriasis, eczema, dermatitis, atopic dermatitis, edema, vitiligo, skin desensibilization, Bowens disease, tumors, pre-malignant tumors, malignant tumors, basal cell carcinomas, squamous cell carcinomas, secondary metastases, cutaneous T-cell lymphomas, solar keratosis, arsenical keratosis, radiodermatitis, or cellulite. 
     
     
         41 . A method for treating a patient diagnosed with jaundice and crigler naijar, the method comprising treating the patient with photodynamic therapy with light from the organic tight emitting electrochemical cell according to  claim 24 . 
     
     
         42 . A method for the treatment of a patient diagnosed with an infection, or an inflammatory, neurological, or psychological diseases and/or conditions, the method comprising irradiating the patient with light emitted from the organic light emitting electrochemical cell according to  claim 24 .