DISPLAY ASSEMBLY, DISPLAY DEVICE, AND FINGERPRINT RECOGNITION METHOD
This application provides a display assembly, a display apparatus, and a fingerprint recognition method. The display assembly includes a display panel and a fingerprint recognition module located on a light-emitting surface of the display panel. The fingerprint recognition module includes a pluralit...
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| creator | LIU, CHunyen GUO, Xiaojun HOU, Xiao WU, Xinkai HE, Hu YIN, Xiaokuan ZHAO, Yang |
| description | This application provides a display assembly, a display apparatus, and a fingerprint recognition method. The display assembly includes a display panel and a fingerprint recognition module located on a light-emitting surface of the display panel. The fingerprint recognition module includes a plurality of fingerprint recognition units. Each fingerprint recognition unit includes at least one phototransistor and one switch transistor. The phototransistor includes a first active layer, a first gate, a first source, and a first drain. A material for making the first active layer includes an organic semiconductor material. The first drain and the first gate partially overlap to form a first capacitor. The switch transistor includes a second active layer, a second gate, a second source, and a second drain. The fingerprint recognition module includes a first metal layer. The first source, the first drain, the second source, and the second drain are all located at the first metal layer, and the first drain is connected to the second source. This application can improve collimation of fingerprint reflected light and accuracy of fingerprint recognition, and reduce structure and process complexity of the display assembly. |
| format | Patent |
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The display assembly includes a display panel and a fingerprint recognition module located on a light-emitting surface of the display panel. The fingerprint recognition module includes a plurality of fingerprint recognition units. Each fingerprint recognition unit includes at least one phototransistor and one switch transistor. The phototransistor includes a first active layer, a first gate, a first source, and a first drain. A material for making the first active layer includes an organic semiconductor material. The first drain and the first gate partially overlap to form a first capacitor. The switch transistor includes a second active layer, a second gate, a second source, and a second drain. The fingerprint recognition module includes a first metal layer. The first source, the first drain, the second source, and the second drain are all located at the first metal layer, and the first drain is connected to the second source. This application can improve collimation of fingerprint reflected light and accuracy of fingerprint recognition, and reduce structure and process complexity of the display assembly.</description><language>eng ; fre ; ger</language><subject>CALCULATING ; COMPUTING ; COUNTING ; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ; ELECTRIC DIGITAL DATA PROCESSING ; ELECTRICITY ; FREQUENCY-CHANGING ; NON-LINEAR OPTICS ; OPTICAL ANALOGUE/DIGITAL CONVERTERS ; OPTICAL LOGIC ELEMENTS ; OPTICS ; PHYSICS ; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</subject><creationdate>2024</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240731&DB=EPODOC&CC=EP&NR=4116877B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240731&DB=EPODOC&CC=EP&NR=4116877B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIU, CHunyen</creatorcontrib><creatorcontrib>GUO, Xiaojun</creatorcontrib><creatorcontrib>HOU, Xiao</creatorcontrib><creatorcontrib>WU, Xinkai</creatorcontrib><creatorcontrib>HE, Hu</creatorcontrib><creatorcontrib>YIN, Xiaokuan</creatorcontrib><creatorcontrib>ZHAO, Yang</creatorcontrib><title>DISPLAY ASSEMBLY, DISPLAY DEVICE, AND FINGERPRINT RECOGNITION METHOD</title><description>This application provides a display assembly, a display apparatus, and a fingerprint recognition method. 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The display assembly includes a display panel and a fingerprint recognition module located on a light-emitting surface of the display panel. The fingerprint recognition module includes a plurality of fingerprint recognition units. Each fingerprint recognition unit includes at least one phototransistor and one switch transistor. The phototransistor includes a first active layer, a first gate, a first source, and a first drain. A material for making the first active layer includes an organic semiconductor material. The first drain and the first gate partially overlap to form a first capacitor. The switch transistor includes a second active layer, a second gate, a second source, and a second drain. The fingerprint recognition module includes a first metal layer. The first source, the first drain, the second source, and the second drain are all located at the first metal layer, and the first drain is connected to the second source. This application can improve collimation of fingerprint reflected light and accuracy of fingerprint recognition, and reduce structure and process complexity of the display assembly.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
| title | DISPLAY ASSEMBLY, DISPLAY DEVICE, AND FINGERPRINT RECOGNITION METHOD |
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