Cutting area pathway for display module
AssigneeSamsung Electronics Co., Ltd.
InventorsDonghun Lee, Sungyong Min, Youngki Jung, Bumki Baek, Changjoon Lee
Life of this patent
Estimating the term…
Abstract
A display module includes a thin film transistor (TFT) substrate including a glass substrate, a TFT layer provided on the glass substrate, and a plurality of TFT electrodes provided on the TFT layer; and a plurality of light-emitting diodes (LEDs) electrically connected to the plurality of TFT electrodes, wherein the TFT layer includes a plurality of sacrificial switching elements connected to the plurality of LEDs in parallel and configured to absorb static electricity generated at the TFT layer.
Claims10
A display module comprising:
- a thin film transistor (TFT) substrate comprising a glass substrate, a TFT layer provided on the glass substrate, and a plurality of TFT electrodes provided on the TFT layer;
- and
- a plurality of light-emitting diodes (LEDs) electrically connected to the plurality of TFT electrodes,
- wherein the TFT layer comprises a plurality of sacrificial switching elements connected to the plurality of LEDs in parallel,
- wherein a sacrificial switching element of the plurality of sacrificial switching elements comprises a first wiring electrically connected to an anode of a corresponding pixel circuit, and a second wiring electrically connected to a cathode of the corresponding pixel circuit, the first wiring and the second wiring being positioned in a cutting area,
- wherein the cutting area comprises a pathway extending from a rear surface of the TFT substrate to the first wiring and the second wiring,
- wherein the cutting area has a transparency such that a laser beam passes through the cutting area,
- wherein the TFT layer further comprises a first metal layer extending over both the first wiring and the second wiring, and
- wherein a distance between the sacrificial switching element and a TFT electrode of the plurality of TFT electrodes corresponding to the sacrificial switching element is shorter than a distance between the corresponding pixel circuit and a TFT electrode of the plurality of TFT electrodes which controls an LED of the plurality of LEDs corresponding to the sacrificial switching element.
A display module comprising:
- a thin film transistor (TFT) substrate comprising a glass substrate, a TFT layer provided on the glass substrate, and a plurality of TFT electrodes provided on the TFT layer;
- and
- a plurality of light-emitting diodes (LEDs) electrically connected to the plurality of TFT electrodes,
- wherein the TFT layer comprises a plurality of sacrificial switching elements connected to the plurality of LEDs in parallel,
- wherein a sacrificial switching element of the plurality of sacrificial switching elements comprises a first wiring electrically connected to an anode of a corresponding pixel circuit, and a second wiring electrically connected to a cathode of the corresponding pixel circuit, and
- wherein a distance between the sacrificial switching element and a TFT electrode of the plurality of TFT electrodes corresponding to the sacrificial switching element is shorter than a distance between the corresponding pixel circuit and a TFT electrode of the plurality of TFT electrodes which controls an LED of the plurality of LEDs corresponding to the sacrificial switching element.
Dependencies are inferred from the claim text.