Enhancing the brightness of thin-film electroluminescent displays by improving the emission process
AC thin film electroluminescent (ACTFEL) devices emit light laterally in addition to conventional surface emission. Because of the waveguiding in ACTFEL devices, lateral emission is stronger than surface emission. However, the former is ignored for displays. This note demonstrates that mirrors can b...
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| Veröffentlicht in: | IEEE electron device letters 1994-03, Vol.15 (3), p.97-99 |
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| container_end_page | 99 |
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| container_issue | 3 |
| container_start_page | 97 |
| container_title | IEEE electron device letters |
| container_volume | 15 |
| creator | Stevens, R. Thomas, C.B. Cranton, W.M. |
| description | AC thin film electroluminescent (ACTFEL) devices emit light laterally in addition to conventional surface emission. Because of the waveguiding in ACTFEL devices, lateral emission is stronger than surface emission. However, the former is ignored for displays. This note demonstrates that mirrors can be fabricated into substrates to reflect upward the lateral emission, which can then be summed with surface emission for displays. Use of standard silicon and thin film technology has demonstrated that the reflected lateral emission is a factor of three brighter than conventional surface emission. hence the effective efficiency of out-coupling the light has been improved for an ACTFEL device.< > |
| doi_str_mv | 10.1109/55.285390 |
| format | Article |
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Because of the waveguiding in ACTFEL devices, lateral emission is stronger than surface emission. However, the former is ignored for displays. This note demonstrates that mirrors can be fabricated into substrates to reflect upward the lateral emission, which can then be summed with surface emission for displays. Use of standard silicon and thin film technology has demonstrated that the reflected lateral emission is a factor of three brighter than conventional surface emission. hence the effective efficiency of out-coupling the light has been improved for an ACTFEL device.< ></description><identifier>ISSN: 0741-3106</identifier><identifier>EISSN: 1558-0563</identifier><identifier>DOI: 10.1109/55.285390</identifier><identifier>CODEN: EDLEDZ</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Applied sciences ; Brightness ; Display ; Displays ; Electroluminescent devices ; Electronics ; Exact sciences and technology ; Mirrors ; Semiconductor thin films ; Silicon ; Substrates ; Surface waves ; Thin film devices ; Transistors</subject><ispartof>IEEE electron device letters, 1994-03, Vol.15 (3), p.97-99</ispartof><rights>1994 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c306t-3c51ad7a43facd54d00d503b7865a7fe47cc851d85e7d410649676ca00ccff203</citedby><cites>FETCH-LOGICAL-c306t-3c51ad7a43facd54d00d503b7865a7fe47cc851d85e7d410649676ca00ccff203</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/285390$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/285390$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=4072665$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Stevens, R.</creatorcontrib><creatorcontrib>Thomas, C.B.</creatorcontrib><creatorcontrib>Cranton, W.M.</creatorcontrib><title>Enhancing the brightness of thin-film electroluminescent displays by improving the emission process</title><title>IEEE electron device letters</title><addtitle>LED</addtitle><description>AC thin film electroluminescent (ACTFEL) devices emit light laterally in addition to conventional surface emission. Because of the waveguiding in ACTFEL devices, lateral emission is stronger than surface emission. However, the former is ignored for displays. This note demonstrates that mirrors can be fabricated into substrates to reflect upward the lateral emission, which can then be summed with surface emission for displays. Use of standard silicon and thin film technology has demonstrated that the reflected lateral emission is a factor of three brighter than conventional surface emission. hence the effective efficiency of out-coupling the light has been improved for an ACTFEL device.< ></description><subject>Applied sciences</subject><subject>Brightness</subject><subject>Display</subject><subject>Displays</subject><subject>Electroluminescent devices</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Mirrors</subject><subject>Semiconductor thin films</subject><subject>Silicon</subject><subject>Substrates</subject><subject>Surface waves</subject><subject>Thin film devices</subject><subject>Transistors</subject><issn>0741-3106</issn><issn>1558-0563</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><recordid>eNo9kE1LAzEQhoMoWKsHr55yEMHD1snma3uUUj-g4EXPS5qdtJFstm62Qv-9Ka09Dcw8eWbyEnLLYMIYTJ-knJSV5FM4IyMmZVWAVPycjEALVnAG6pJcpfQNwITQYkTsPK5NtD6u6LBGuuz9aj1ETIl2Lnd8LJwPLcWAdui7sG19HlqMA2182gSzS3S5o77d9N3vvwRbn5LvIs1Nm1XX5MKZkPDmWMfk62X-OXsrFh-v77PnRWE5qKHgVjLTaCO4M7aRogFoJPClrpQ02qHQ1laSNZVE3Yj8FTFVWlkDYK1zJfAxeTh4896fLaahzodYDMFE7LapLitRMhAqg48H0PZdSj26etP71vS7mkG9j7GWsj7EmNn7o9Qka4Lr92ml0wMBulRKZuzugHlEPE2Pjj_CaHue</recordid><startdate>19940301</startdate><enddate>19940301</enddate><creator>Stevens, R.</creator><creator>Thomas, C.B.</creator><creator>Cranton, W.M.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>19940301</creationdate><title>Enhancing the brightness of thin-film electroluminescent displays by improving the emission process</title><author>Stevens, R. ; Thomas, C.B. ; Cranton, W.M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c306t-3c51ad7a43facd54d00d503b7865a7fe47cc851d85e7d410649676ca00ccff203</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1994</creationdate><topic>Applied sciences</topic><topic>Brightness</topic><topic>Display</topic><topic>Displays</topic><topic>Electroluminescent devices</topic><topic>Electronics</topic><topic>Exact sciences and technology</topic><topic>Mirrors</topic><topic>Semiconductor thin films</topic><topic>Silicon</topic><topic>Substrates</topic><topic>Surface waves</topic><topic>Thin film devices</topic><topic>Transistors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Stevens, R.</creatorcontrib><creatorcontrib>Thomas, C.B.</creatorcontrib><creatorcontrib>Cranton, W.M.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE electron device letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Stevens, R.</au><au>Thomas, C.B.</au><au>Cranton, W.M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Enhancing the brightness of thin-film electroluminescent displays by improving the emission process</atitle><jtitle>IEEE electron device letters</jtitle><stitle>LED</stitle><date>1994-03-01</date><risdate>1994</risdate><volume>15</volume><issue>3</issue><spage>97</spage><epage>99</epage><pages>97-99</pages><issn>0741-3106</issn><eissn>1558-0563</eissn><coden>EDLEDZ</coden><abstract>AC thin film electroluminescent (ACTFEL) devices emit light laterally in addition to conventional surface emission. Because of the waveguiding in ACTFEL devices, lateral emission is stronger than surface emission. However, the former is ignored for displays. This note demonstrates that mirrors can be fabricated into substrates to reflect upward the lateral emission, which can then be summed with surface emission for displays. Use of standard silicon and thin film technology has demonstrated that the reflected lateral emission is a factor of three brighter than conventional surface emission. hence the effective efficiency of out-coupling the light has been improved for an ACTFEL device.< ></abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/55.285390</doi><tpages>3</tpages></addata></record> |
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| ispartof | IEEE electron device letters, 1994-03, Vol.15 (3), p.97-99 |
| issn | 0741-3106 1558-0563 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Applied sciences Brightness Display Displays Electroluminescent devices Electronics Exact sciences and technology Mirrors Semiconductor thin films Silicon Substrates Surface waves Thin film devices Transistors |
| title | Enhancing the brightness of thin-film electroluminescent displays by improving the emission process |
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