Display device

• Main Authors: Kawachi, Genshirou, Kajita, Daisuke, Oke, Ryutaro, Amano, Kuniaki
• Format: Patent
• Language: English
• Published: 15.12.2020
• Subjects: ADVERTISING; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION; BASIC ELECTRIC ELEMENTS; CRYPTOGRAPHY; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; DISPLAY; EDUCATION; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; SEALS; SEMICONDUCTOR DEVICES; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF

A display device includes: pixel transistors electrically connected to the respective source lines and the respective gate lines; a monitor transistor in which a lead-out wiring of a drain electrode is electrically connected to a first external terminal, a lead-out wiring of a gate electrode is electrically connected to a second external terminal, and a lead-out wiring of a source electrode is electrically connected to a third external terminal; a reference transistor in which a lead-out wiring of a drain electrode is electrically connected to a fourth external terminal, a lead-out wiring of a gate electrode is electrically connected to a fifth external terminal, and a lead-out wiring of a source electrode is electrically connected to a sixth external terminal; and a detector electrically connected to the third external terminal and the sixth external terminal to detect a shift amount of a threshold voltage of the monitor transistor.