Display module and display apparatus having same
AssigneeSamsung Electronics Co., Ltd.
InventorsYoungki JUNG, Wonkeun PARK, Chulgyu JUNG, Jeongphil SEO, Seongphil CHO
Life of this patent
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Abstract
A display module includes: a substrate; and a plurality of pixel circuits provided on the substrate, wherein each pixel circuit of the plurality of pixel circuits includes: a light-emitting diode (LED); a driving line including a driving thin film transistor (TFT) connected to an anode terminal of the LED and configured to apply a driving current; a sensing line including a sensing TFT connected to the anode terminal of the LED and configured to sense the driving current; and a variable power supply connected to a cathode terminal of the LED and configured to change a voltage supplied while the driving current is sensed.
Claims15
A display module comprising:
- a substrate;
- and
- a plurality of pixel circuits provided on the substrate,
- wherein each pixel circuit of the plurality of pixel circuits comprises:
- a light-emitting diode (LED);
- a driving line comprising a driving thin film transistor (TFT) connected to an anode terminal of the LED and configured to apply a driving current;
- a sensing line comprising a sensing TFT connected to the anode terminal of the LED and configured to sense the driving current;
- and
- a variable power supply connected to a cathode terminal of the LED and configured to change a voltage supplied while the driving current is sensed.
A display apparatus comprising:
- a frame;
- and
- a plurality of display modules arranged in a two-dimensional matrix on the frame,
- wherein each display module of the plurality of display modules comprises:
- a substrate;
- and
- a plurality of pixel circuits provided on the substrate, and
- wherein each of the plurality of pixel circuits comprises:
- a light-emitting diode (LED);
- a driving line comprising a driving thin film transistor (TFT) connected to an anode terminal of the LED and configured to apply a driving current;
- a sensing line comprising a sensing TFT connected to the anode terminal of the LED and configured to sense the driving current;
- and
- a variable power supply connected to a cathode terminal of the LED and configured to change a voltage supplied while the driving current is sensed.
Dependencies are inferred from the claim text.