Invention Grant
- Patent Title: Driving method for organic electroluminescence light emitting section
- Patent Title (中): 有机电致发光发光部分的驱动方法
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Application No.: US12450266Application Date: 2008-03-19
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Publication No.: US08094145B2Publication Date: 2012-01-10
- Inventor: Naobumi Toyomura , Katsuhide Uchino , Tetsuro Yamamoto
- Applicant: Naobumi Toyomura , Katsuhide Uchino , Tetsuro Yamamoto
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Rader, Fishman & Grauer PLLC
- Priority: JP2007-098465 20070404
- International Application: PCT/JP2008/055045 WO 20080319
- International Announcement: WO2008/123089 WO 20081016
- Main IPC: G09G5/00
- IPC: G09G5/00

Abstract:
A driving method for an organic EL light emitting section is provided which achieves optimization of a mobility correction process for a transistor of a driving circuit in response to luminance. In a driving method for an organic EL light emitting section wherein a driving circuit 11 formed from a driving transistor TDrv, an image signal writing transistor TSig and a capacitor section C1 having a pair of electrodes (the opposite ends corresponding to a first node ND1 and a second node ND2) is used to carry out a pre-process [TP (5)1], a threshold voltage cancellation process [TP (5)2] and a writing process [TP (5)6], a variable correction voltage VCor which relies upon the image signal voltage VSig is applied to the first node ND1 and a voltage which is higher than a potential of the second node ND2 in the threshold voltage cancellation process is applied to the drain electrode of the driving transistor TDrv, between the threshold voltage cancellation process and the writing process, to raise the potential of the second node ND2 in response to a characteristic of the driving transistor TDrv.
Public/Granted literature
- US20100039421A1 DRIVING METHOD FOR ORGANIC ELECTROLUMINESCENCE LIGHT EMITTING SECTION Public/Granted day:2010-02-18
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