Back to results
US 11,106,882 B2Granted
Fingerprint sensing unit and display device including the same
AssigneeSamsung Display Co., Ltd.
InventorsKeumdong Jung, Jaekyoung Kim, Wonsang Park, Jongin Baek, Yoshii Katsumasa
Life of this patent
Estimating the term…
Abstract
The fingerprint sensing unit including: a substrate; a scan line disposed on the substrate and extending along a first direction; a common power line disposed on the substrate and extending along a second direction crossing the first direction; a thin film transistor connected to the scan line and the common power line; a sensing electrode connected to the thin film transistor; a first lens disposed on the sensing electrode and protruding in a direction away from the sensing electrode; and a first light blocking layer disposed on the sensing electrode and surrounding the first lens.
Claims22
A fingerprint sensing unit comprising:
- a substrate;
- a scan line disposed on the substrate and extending along a first direction;
- a common power line disposed on the substrate and extending along a second direction crossing the first direction;
- a thin film transistor connected to the scan line and the common power line;
- a sensing electrode connected to the thin film transistor;
- a first lens disposed on the sensing electrode and protruding in a direction away from the sensing electrode, wherein the first lens directly contacts the sensing electrode;
- and
- a first light blocking layer disposed on the sensing electrode and surrounding the first lens, wherein the first light blocking layer directly contacts a portion of a convex surface, of the first lens, protruding in a direction away from the upper surface of the substrate.
5 more elements
A display device comprising:
- a display unit;
- and
- a fingerprint sensing unit disposed on the display unit,
- wherein the fingerprint sensing unit comprises:
- a substrate having a first surface and a second surface opposite the first surface;
- a scan line disposed on the first surface of the substrate, the scan line extending along a first direction;
- a common power line disposed on the first surface of the substrate, the common power line extending along a second direction crossing the first direction;
- a thin film transistor connected to the scan line and the common power line;
- a sensing electrode connected to the thin film transistor;
- a first lens disposed on the sensing electrode and protruding in a direction away from the sensing electrode, wherein the first lens directly contacts the sensing electrode;
- and
- a first light blocking layer disposed on the sensing electrode and surrounding the first lens, wherein the first light blocking layer directly contacts a portion of a convex surface, of the first lens, protruding in a direction away from the upper surface of the substrate, and
- the display unit comprises:
- a base substrate;
- an organic light emitting element disposed on the base substrate;
- a thin film encapsulation layer disposed on the organic light emitting element;
- a second lens disposed on the thin film encapsulation layer and protruding in a direction away from the thin film encapsulation layer;
- and
- a second light blocking layer disposed on the thin film encapsulation layer and surrounding the second lens.
16 more elements
A display device comprising:
- a display unit;
- and
- a fingerprint sensing unit disposed on the display unit,
- wherein the fingerprint sensing unit comprises:
- a substrate having a first surface and a second surface opposite the first surface;
- a scan line disposed on the first surface of the substrate, the scan line extending along a first direction;
- a common power line disposed on the first surface of the substrate, the common power line extending along a second direction crossing the first direction;
- a thin film transistor connected to the scan line and the common power line;
- a sensing electrode connected to the thin film transistor;
- a first lens disposed on the sensing electrode and protruding in a direction away from the sensing electrode, wherein the first lens directly contacts the sensing electrode;
- and
- a first light blocking laver disposed on the sensing electrode and surrounding the first lens, wherein the first light blocking layer directly contacts a portion of a convex surface, of the first lens, protruding in a direction away from the upper surface of the substrate;
- and
- a third lens disposed on the second surface of the substrate and protruding in a direction away from the substrate, and
- the display unit comprises:
- a base substrate;
- an organic light emitting element disposed on the base substrate;
- a thin film encapsulation layer disposed on the organic light emitting element;
- a second lens disposed on the thin film encapsulation layer and protruding in a direction away from the thin film encapsulation layer;
- and
- a second light blocking layer disposed on the thin film encapsulation layer and surrounding the second lens.
18 more elements
Dependencies are inferred from the claim text.