Invention Grant
US08421717B2 Active matrix type display apparatus 有权
有源矩阵型显示装置

  • Patent Title: Active matrix type display apparatus
  • Patent Title (中): 有源矩阵型显示装置
  • Application No.: US12525633
    Application Date: 2008-12-16
  • Publication No.: US08421717B2
    Publication Date: 2013-04-16
  • Inventor: Shinya Ono
  • Applicant: Shinya Ono
  • Applicant Address: JP Osaka
  • Assignee: Panasonic Corporation
  • Current Assignee: Panasonic Corporation
  • Current Assignee Address: JP Osaka
  • Agency: McDermott Will & Emery LLP
  • Priority: JP2007-327432 20071219
  • International Application: PCT/JP2008/003776 WO 20081216
  • International Announcement: WO2009/078166 WO 20090625
  • Main IPC: G09G3/30
  • IPC: G09G3/30
Active matrix type display apparatus
Abstract:
An active matrix type display apparatus of the present invention includes a plurality of pixels (50) disposed in a matrix arrangement. Each of the pixels (50) includes a light-emitting element (9) which emits light in response to a supplied current, a signal line (13) connected to a signal line drive circuit (23) which supplies a luminance signal corresponding to a luminance of light emission of the light-emitting element (9), the luminance signal being a current signal, a driver element (6) which controls a current value of the luminance signal supplied to the light-emitting element (9), a luminance signal retention capacitor (8) which retains, as a luminance signal voltage, a potential difference generated between a drain electrode and a source electrode of the driver element (6) when the luminance signal is supplied to the driver element (6) via the signal line (13), and a threshold voltage detection and addition unit (20) which detects a threshold voltage of the driver element (6) and causes a voltage obtained by adding the luminance signal voltage being retained in the luminance signal retention capacitor (8) to the detected threshold voltage to be applied at a gate electrode of the driver element (6).
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