Power saving through state retention in IGZO‐TFT AMOLED displays for wearable applications
We present a qHD (960 × 540 with three sub‐pixels) top‐emitting active‐matrix organic light‐emitting diode display with a 340‐ppi resolution using a self‐aligned IGZO thin‐film transistor backplane on polyimide foil with a humidity barrier. The back plane process flow is based on a seven‐layer photo...
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| Veröffentlicht in: | Journal of the Society for Information Display 2017-04, Vol.25 (4), p.222-228 |
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| container_title | Journal of the Society for Information Display |
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| creator | Steudel, Soeren Steen, Jan‐Laurens P.J. Nag, Manoj Ke, Tung Huei Smout, Steve Bel, Thijs Diesen, Karin Haas, Gerard Maas, Joris Riet, Joris Rovers, Madelon Verbeek, Roy Huang, Yen‐Yu Chiang, Shin‐Chuan Ameys, Marc De Roose, Florian Dehaene, Wim Genoe, Jan Heremans, Paul Gelinck, Gerwin Kronemeijer, Auke Jisk |
| description | We present a qHD (960 × 540 with three sub‐pixels) top‐emitting active‐matrix organic light‐emitting diode display with a 340‐ppi resolution using a self‐aligned IGZO thin‐film transistor backplane on polyimide foil with a humidity barrier. The back plane process flow is based on a seven‐layer photolithography process with a CD = 4 μm. We implement a 2T1C pixel engine and use a commercial source driver IC made for low‐temperature polycrystalline silicon. By using an IGZO thin‐film transistor and leveraging the extremely low off current, we can switch off the power to the source and gate driver while maintaining the image unchanged for several minutes. We demonstrate that, depending on the image content, low‐refresh operation yields reduction in power consumption of up to 50% compared with normal (continuous) operation. We show that with the further increase in resolution, the power saving through state retention will be even more significant.
By using an IGZO thin‐film transistor in a flexible active‐matrix organic light‐emitting diode display and leveraging the extremely low off current, we can switch off the power to the source and gate driver while maintaining the image unchanged for several minutes. Depending on the image content, low‐refresh operation yields reduction in power consumption of up to 50% compared with continuous operation. |
| doi_str_mv | 10.1002/jsid.544 |
| format | Article |
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By using an IGZO thin‐film transistor in a flexible active‐matrix organic light‐emitting diode display and leveraging the extremely low off current, we can switch off the power to the source and gate driver while maintaining the image unchanged for several minutes. Depending on the image content, low‐refresh operation yields reduction in power consumption of up to 50% compared with continuous operation.</description><identifier>ISSN: 1071-0922</identifier><identifier>EISSN: 1938-3657</identifier><identifier>DOI: 10.1002/jsid.544</identifier><language>eng</language><publisher>Campbell: Wiley Subscription Services, Inc</publisher><subject>Active matrix displays ; AMOLED ; Displays ; Electronics industry ; Energy conservation ; flexible displays ; metal‐oxide semiconductors ; Organic light emitting diodes ; Photolithography ; Pixels ; Power consumption ; Self alignment ; self‐aligned TFT ; Semiconductor devices ; Silicon ; state retention ; Thin film transistors ; Transistors ; Wearable technology</subject><ispartof>Journal of the Society for Information Display, 2017-04, Vol.25 (4), p.222-228</ispartof><rights>Copyright 2017 Society for Information Display</rights><rights>2017 The Society for Information Display</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5304-97a57f859738398d8afffc62e1e84e24e61b01ab430d78eccc4acea88df383f03</citedby><cites>FETCH-LOGICAL-c5304-97a57f859738398d8afffc62e1e84e24e61b01ab430d78eccc4acea88df383f03</cites><orcidid>0000-0002-4885-3841</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fjsid.544$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjsid.544$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Steudel, Soeren</creatorcontrib><creatorcontrib>Steen, Jan‐Laurens P.J.</creatorcontrib><creatorcontrib>Nag, Manoj</creatorcontrib><creatorcontrib>Ke, Tung Huei</creatorcontrib><creatorcontrib>Smout, Steve</creatorcontrib><creatorcontrib>Bel, Thijs</creatorcontrib><creatorcontrib>Diesen, Karin</creatorcontrib><creatorcontrib>Haas, Gerard</creatorcontrib><creatorcontrib>Maas, Joris</creatorcontrib><creatorcontrib>Riet, Joris</creatorcontrib><creatorcontrib>Rovers, Madelon</creatorcontrib><creatorcontrib>Verbeek, Roy</creatorcontrib><creatorcontrib>Huang, Yen‐Yu</creatorcontrib><creatorcontrib>Chiang, Shin‐Chuan</creatorcontrib><creatorcontrib>Ameys, Marc</creatorcontrib><creatorcontrib>De Roose, Florian</creatorcontrib><creatorcontrib>Dehaene, Wim</creatorcontrib><creatorcontrib>Genoe, Jan</creatorcontrib><creatorcontrib>Heremans, Paul</creatorcontrib><creatorcontrib>Gelinck, Gerwin</creatorcontrib><creatorcontrib>Kronemeijer, Auke Jisk</creatorcontrib><title>Power saving through state retention in IGZO‐TFT AMOLED displays for wearable applications</title><title>Journal of the Society for Information Display</title><description>We present a qHD (960 × 540 with three sub‐pixels) top‐emitting active‐matrix organic light‐emitting diode display with a 340‐ppi resolution using a self‐aligned IGZO thin‐film transistor backplane on polyimide foil with a humidity barrier. The back plane process flow is based on a seven‐layer photolithography process with a CD = 4 μm. We implement a 2T1C pixel engine and use a commercial source driver IC made for low‐temperature polycrystalline silicon. By using an IGZO thin‐film transistor and leveraging the extremely low off current, we can switch off the power to the source and gate driver while maintaining the image unchanged for several minutes. We demonstrate that, depending on the image content, low‐refresh operation yields reduction in power consumption of up to 50% compared with normal (continuous) operation. We show that with the further increase in resolution, the power saving through state retention will be even more significant.
By using an IGZO thin‐film transistor in a flexible active‐matrix organic light‐emitting diode display and leveraging the extremely low off current, we can switch off the power to the source and gate driver while maintaining the image unchanged for several minutes. Depending on the image content, low‐refresh operation yields reduction in power consumption of up to 50% compared with continuous operation.</description><subject>Active matrix displays</subject><subject>AMOLED</subject><subject>Displays</subject><subject>Electronics industry</subject><subject>Energy conservation</subject><subject>flexible displays</subject><subject>metal‐oxide semiconductors</subject><subject>Organic light emitting diodes</subject><subject>Photolithography</subject><subject>Pixels</subject><subject>Power consumption</subject><subject>Self alignment</subject><subject>self‐aligned TFT</subject><subject>Semiconductor devices</subject><subject>Silicon</subject><subject>state retention</subject><subject>Thin film transistors</subject><subject>Transistors</subject><subject>Wearable technology</subject><issn>1071-0922</issn><issn>1938-3657</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp10M9KAzEQBvAgCtYq-AgBL162JrvJbnIs_WelUsF6ESGk2Umbsu6uydbSm4_gM_okbqlXTzOH3zcDH0LXlPQoIfHdJri8xxk7QR0qExElKc9O251kNCIyjs_RRQibVqacpR309lTtwOOgP125ws3aV9vVGodGN4A9NFA2riqxK_F08jr_-fpejBe4_zifjYY4d6Eu9D5gW3m8A-31sgCs67pwRh9i4RKdWV0EuPqbXfQyHi0G99FsPpkO-rPI8ISwSGaaZ1ZwmSUikSIX2lpr0hgoCAYxg5QuCdVLlpA8E2CMYdqAFiK3bcCSpItujndrX31sITRqU2192b5UVBLJpYwFb9XtURlfheDBqtq7d-33ihJ16E4dulNtdy2NjnTnCtj_69TD83R48L-22XGU</recordid><startdate>201704</startdate><enddate>201704</enddate><creator>Steudel, Soeren</creator><creator>Steen, Jan‐Laurens P.J.</creator><creator>Nag, Manoj</creator><creator>Ke, Tung Huei</creator><creator>Smout, Steve</creator><creator>Bel, Thijs</creator><creator>Diesen, Karin</creator><creator>Haas, Gerard</creator><creator>Maas, Joris</creator><creator>Riet, Joris</creator><creator>Rovers, Madelon</creator><creator>Verbeek, Roy</creator><creator>Huang, Yen‐Yu</creator><creator>Chiang, Shin‐Chuan</creator><creator>Ameys, Marc</creator><creator>De Roose, Florian</creator><creator>Dehaene, Wim</creator><creator>Genoe, Jan</creator><creator>Heremans, Paul</creator><creator>Gelinck, Gerwin</creator><creator>Kronemeijer, Auke Jisk</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SC</scope><scope>8FD</scope><scope>JQ2</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><orcidid>https://orcid.org/0000-0002-4885-3841</orcidid></search><sort><creationdate>201704</creationdate><title>Power saving through state retention in IGZO‐TFT AMOLED displays for wearable applications</title><author>Steudel, Soeren ; 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By using an IGZO thin‐film transistor in a flexible active‐matrix organic light‐emitting diode display and leveraging the extremely low off current, we can switch off the power to the source and gate driver while maintaining the image unchanged for several minutes. Depending on the image content, low‐refresh operation yields reduction in power consumption of up to 50% compared with continuous operation.</abstract><cop>Campbell</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/jsid.544</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-4885-3841</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Journal of the Society for Information Display, 2017-04, Vol.25 (4), p.222-228 |
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| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Active matrix displays AMOLED Displays Electronics industry Energy conservation flexible displays metal‐oxide semiconductors Organic light emitting diodes Photolithography Pixels Power consumption Self alignment self‐aligned TFT Semiconductor devices Silicon state retention Thin film transistors Transistors Wearable technology |
| title | Power saving through state retention in IGZO‐TFT AMOLED displays for wearable applications |
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