Title:
Organic EL display device
Document Type and Number:
Japanese Patent JP6285158
Kind Code:
B2
Abstract:
An organic EL display device includes a first pixel circuit for displaying a first color. The first pixel circuit includes a large light emitting element, a small light emitting element, and a current control circuit that controls whether a current is supplied to the small light emitting element and the large light emitting element or not respectively, and the amount of the current to be supplied to at least one of the small light emitting element and the large light emitting element, according to a tone to be displayed by the first pixel circuit. The current control circuit supplies the current to the small light emitting element if the tone is equal to or smaller than a threshold value, and supplies the current to at least the large light emitting element if the tone is larger than the threshold value.
Inventors:
Uetake Grace
Application Number:
JP2013243783A
Publication Date:
February 28, 2018
Filing Date:
November 26, 2013
Export Citation:
Assignee:
Japan Display Co., Ltd.
International Classes:
G09G3/3233; G09G3/20; G09G3/30; H01L51/50
Domestic Patent References:
| JP2007286470A | ||||
| JP2007047775A | ||||
| JP2012058639A | ||||
| JP2008268437A | ||||
| JP2012113965A | ||||
| JP2007524872A | ||||
| JP2008227182A | ||||
| JP2009109521A |
Foreign References:
| US20090128458 | ||||
| WO2009113448A1 | ||||
| US20060267892 |
Attorney, Agent or Firm:
Haruka International Patent Office