Display panel having a boosting voltage applied to a subpixel electrode, and method of driving the same
AssigneeSamsung Display Co., Ltd.
InventorsYoun-Hak Jeong, Gak-Seok Lee
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Abstract
A display panel comprises a plurality of pixels. A first pixel among the plurality of pixels comprises a first subpixel which further comprises a first subpixel electrode, a first switching element configured to apply a data voltage to the first subpixel electrode, and a second switching element applying a boosting voltage to the first subpixel electrode. The first pixel further comprises a second subpixel comprising a second subpixel electrode and a third switching element applying the data voltage to the low pixel electrode. Accordingly, the display quality and the reliability of the display panel may be improved.
Claims27
A display panel comprising:
- a plurality of pixels, a first pixel among the plurality of pixels comprising a first subpixel and a second subpixel;
- the first subpixel comprising a first subpixel electrode, a first switching element configured to apply a data voltage to the first subpixel electrode and a second switching element configured to apply a boosting voltage to the first subpixel electrode;
- and
- the second subpixel comprising a second subpixel electrode and a third switching element configured to apply the data voltage to the second subpixel electrode,
- wherein:
- the first switching element comprises a source electrode connected to a first data line configured to provide the data voltage, a gate electrode connected to a first gate line, and a drain electrode connected to the first subpixel electrode;
- the second switching element comprises a source electrode connected to a first boosting line configured to provide the boosting voltage, a gate electrode connected to the first gate line, and a drain electrode directly connected to the first subpixel electrode;
- and
- the first boosting line extends in a direction parallel to the first gate line.
A method of driving a display panel, the method comprising:
- applying a data voltage to a first pixel electrode through a first switching element;
- applying a boosting voltage to the first pixel electrode through a second switching element;
- and
- applying the data voltage to a second pixel electrode through a third switching element,
- wherein:
- the first switching element comprises a source electrode connected to a first data line configured to provide the data voltage, a gate electrode connected to a first gate line, and a drain electrode connected to the first pixel electrode;
- the second switching element comprises a source electrode connected to a first boosting line configured to provide the boosting voltage, a gate electrode connected to the first gate line, and a drain electrode directly connected to the first pixel electrode;
- and
- the first boosting line extends in a direction parallel to the first gate line.
A display device, comprising:
- a first conductive line, a second conductive line, and a third conductive line;
- and
- a pixel comprising a first pixel electrode, a second pixel electrode, a first switch, a second switch, and a third switch, the first switch and the third switch both being connected to the first conductive line and the second conductive line, the third switch being connected to the first conductive line and the third conductive line, the first pixel electrode being connected to the first switch and the second switch, and the second pixel electrode being connected to the third switch,
- wherein:
- the first conductive line comprises a gate line, the second conductive line comprises a data line, and the third conductive line comprises a boosting line;
- the first switch comprises a source electrode connected to the data line configured to provide the data voltage, a gate electrode connected to the gate line, and a drain electrode connected to the first pixel electrode;
- the second switch comprises a source electrode connected to the boosting line configured to provide the boosting voltage, a gate electrode connected to the gate line, and a drain electrode directly connected to the first pixel electrode;
- and
- the boosting line extends in a direction parallel to the first gate line.
Dependencies are inferred from the claim text.