Title:
DISPLAY DEVICE AND DRIVING METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2019/180759
Kind Code:
A1
Abstract:
The purpose of the present invention is to realize a current driving type display device which can compensate for variations in the threshold voltage of a driving transistor without causing variations in luminance. A pixel circuit (10) includes a light-emitting element (OLED), a driving transistor (Tdr), a power supply control transistor (TA), a light emission control transistor (TB), a first writing control transistor (TC), a threshold voltage compensation transistor (TD), a second writing control transistor (TE), an initialization transistor (TF), and a data holding capacitor (C). In a data writing period, a scanning signal (G)(n)) becomes active, an initialization voltage (Vini) is provided to a first electrode of the data holding capacitor (C) via the driving transistor Tdr, and a data voltage is provided to a second electrode of the data holding capacitor (C).
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Inventors:
UENO TETSUYA
Application Number:
PCT/JP2018/010692
Publication Date:
September 26, 2019
Filing Date:
March 19, 2018
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
G09G3/3233; G09G3/20
Domestic Patent References:
| WO2015198597A1 | 2015-12-30 |
Foreign References:
| JP2017536569A | 2017-12-07 | |||
| JP2017227863A | 2017-12-28 | |||
| JP2018502335A | 2018-01-25 | |||
| US9024934B2 | 2015-05-05 |
Attorney, Agent or Firm:
SHIMADA, Akihiro et al. (JP)
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