Display device
AssigneeSamsung Display Co., Ltd.
InventorsHee Rim Song, Hee Jean Park, Cheol Gon Lee
Life of this patent
Estimating the term…
Abstract
A display includes a light emitting element that emits light, a driving transistor that controls a driving current flowing through the light emitting element, a light sensing element spaced apart from the light emitting element and generating a photocurrent according to external light, a first sensing transistor that controls a sensing current flowing to a readout line according to a voltage of a gate electrode of the first sensing transistor, which is electrically connected to an electrode of the light sensing element, and a shielding electrode disposed around a side of the gate electrode of the first sensing transistor in plan view.
Claims33
A display device comprising:
- a light emitting element that emits light;
- a driving transistor that controls a driving current flowing through the light emitting element;
- a light sensing element spaced apart from the light emitting element, the light sensing element that generates a photocurrent according to external light;
- a first sensing transistor that controls a sensing current flowing to a readout line according to a voltage of a gate electrode of the first sensing transistor, the gate electrode electrically connected to an electrode of the light sensing element;
- and
- a shielding electrode disposed around a side of the gate electrode of the first sensing transistor in plan view.
A display device comprising:
- a substrate;
- a first signal line disposed on the substrate;
- a light sensing element disposed on the substrate, the light sensing element that generates a photocurrent according to external light;
- a first sensing transistor that controls a sensing current flowing to a readout line according to a voltage of a gate electrode of the first sensing transistor, the gate electrode electrically connected to an electrode of the light sensing element;
- and
- a first shielding portion disposed between the first signal line and the gate electrode of the first sensing transistor in plan view.
A display device comprising:
- a substrate;
- a light sensing element disposed on the substrate, the light sensing element that generates a photocurrent according to external light;
- a first sensing transistor that controls a sensing current flowing to a readout line according to a voltage of a gate electrode of the first sensing transistor, the gate electrode electrically connected to an electrode of the light sensing element;
- a first sensing connection electrode electrically connected to the gate electrode of the first sensing transistor through a first sensing contact hole;
- and
- a shielding electrode disposed around at least one side of the first sensing connection electrode in plan view.
A display device comprising:
- a first shielding portion extending in a first direction;
- a second shielding portion extending in the first direction and spaced apart from the first shielding portion;
- a third shielding portion connected to the first shielding portion;
- a fourth shielding portion connected to the second shielding portion;
- and
- a fifth shielding portion extending in a second direction intersecting the first direction and connecting the third shielding portion and the fourth shielding portion.
Dependencies are inferred from the claim text.