Title:
DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/070368
Kind Code:
A1
Abstract:
[Problem] To enable high-definition display while reducing the number of transistors in a pixel circuit. [Solution] The display region in a display device is provided with: a pixel circuit 40 that is located at each intersection between a plurality of first scanning control lines and a plurality of data signal lines; and a light-emitting element 7 provided for each pixel circuit 40. The pixel circuit 40 includes: a drive transistor T1 that has a first and a second gate electrode G, B that are vertically located with a semiconductor layer interposed therebetween and that causes a drive current to flow to the light-emitting element 7; a write transistor T2; and a capacitor Cst for holding a data signal. A light emission control line EM(j) is connected to the second gate electrode B of the drive transistor T1. A light emission control circuit 650 is provided in a non-display region and outputs, to the light emission control line EM(j), a light emission control signal for switching between a selection state in which the drive transistor T1 turns on and a non-selection state in which the drive transistor T1 turns off.
Inventors:
NISHIYAMA TAKAYUKI
Application Number:
PCT/JP2019/040261
Publication Date:
April 15, 2021
Filing Date:
October 11, 2019
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
G09G3/3233; G09G3/20; G09G3/3266
Domestic Patent References:
| WO2011125107A1 | 2011-10-13 |
Foreign References:
| JP2017219839A | 2017-12-14 | |||
| JP2012047894A | 2012-03-08 | |||
| JP2008083085A | 2008-04-10 | |||
| US20130050292A1 | 2013-02-28 | |||
| JP2012513040A | 2012-06-07 |
Attorney, Agent or Firm:
ARC PATENT ATTORNEYS' OFFICE (JP)
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