ORGANIC ELECTROLUMINESCENCE ELEMENT
PURPOSE:To emit highly bright light stably over a long period of time even under a low voltage condition by arranging a current supply layer between an anode and an electron hole transporting layer. CONSTITUTION:A current supply layer 3, an electron hole transporting layer 4, a light emitting layer...
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| creator | SUGIMOTO TOSHIYA HATASAWA TAKENOBU |
| description | PURPOSE:To emit highly bright light stably over a long period of time even under a low voltage condition by arranging a current supply layer between an anode and an electron hole transporting layer. CONSTITUTION:A current supply layer 3, an electron hole transporting layer 4, a light emitting layer 5 and a cathode metal electrode 6 are laminated in order on the surface of a transparent electrode 2 of a glass substrate 1 on which an anode transparent electrode 2 is formed. 1-5wt.% chloroform solution of a compound composed of silicon and hydrocarbon is used as a film forming means of the current supply layer 3, and a spin coat is carried out at 1500-2000rpm, and a current supply layer film having film thickness of about 30-70nm is formed. Thereby, even if it is set in the lowest limit film thickness necessary to reveal a function, since the electron hole transporting layer 4 is formed without producing pin holes, so that electron hole transporting efficiency can be improved. Thereby, highly bright light can be emitted stably over a long period of time even under such an extremely low voltage condition as being equal to or lower than 10V. |
| format | Patent |
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CONSTITUTION:A current supply layer 3, an electron hole transporting layer 4, a light emitting layer 5 and a cathode metal electrode 6 are laminated in order on the surface of a transparent electrode 2 of a glass substrate 1 on which an anode transparent electrode 2 is formed. 1-5wt.% chloroform solution of a compound composed of silicon and hydrocarbon is used as a film forming means of the current supply layer 3, and a spin coat is carried out at 1500-2000rpm, and a current supply layer film having film thickness of about 30-70nm is formed. Thereby, even if it is set in the lowest limit film thickness necessary to reveal a function, since the electron hole transporting layer 4 is formed without producing pin holes, so that electron hole transporting efficiency can be improved. 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CONSTITUTION:A current supply layer 3, an electron hole transporting layer 4, a light emitting layer 5 and a cathode metal electrode 6 are laminated in order on the surface of a transparent electrode 2 of a glass substrate 1 on which an anode transparent electrode 2 is formed. 1-5wt.% chloroform solution of a compound composed of silicon and hydrocarbon is used as a film forming means of the current supply layer 3, and a spin coat is carried out at 1500-2000rpm, and a current supply layer film having film thickness of about 30-70nm is formed. Thereby, even if it is set in the lowest limit film thickness necessary to reveal a function, since the electron hole transporting layer 4 is formed without producing pin holes, so that electron hole transporting efficiency can be improved. Thereby, highly bright light can be emitted stably over a long period of time even under such an extremely low voltage condition as being equal to or lower than 10V.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES BASIC ELECTRIC ELEMENTS CHEMISTRY DYES ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES SEMICONDUCTOR DEVICES |
| title | ORGANIC ELECTROLUMINESCENCE ELEMENT |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-05T19%3A16%3A22IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=SUGIMOTO%20TOSHIYA&rft.date=1994-05-06&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EJPH06124784A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |