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US 11,487,161 B2Granted
Display panel,method of photo alignment and driving method of the display panel
AssigneesChongqing Hkc Optoelectronics Technology Co., Ltd., Hkc Corporation Limited
InventorsJunhong Cao, Wei Li
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Abstract
The present application discloses a display panel, a method of photo alignment and a driving method of the display panel. A display area of the display panel is divided into at least a first area and a second area, light transmittance of the first area is different from that of the second area when driven by the identical voltage difference, and pre-tilt angles of liquid crystal molecules corresponding to the first area are different from those of liquid crystal molecules corresponding to the second area.
Claims12
A display panel, comprising:
- a first substrate;
- a second substrate, disposed opposite to the first substrate;
- and
- a liquid crystal layer, disposed between the first substrate and the second substrate;
- wherein a display area of the display panel is divided into at least a first area and a second area, and light transmittance of the first area is different from light transmittance of the second area when driven by the identical voltage difference;
- pre-tilt angles of liquid crystal molecules corresponding to the first area are different from pre-tilt angles of liquid crystal molecules corresponding to the second area;
- wherein the display panel comprises:
- a plurality of pixel electrodes, disposed on the first substrate;
- a first common electrode;
- and
- a second common electrode;
- wherein the first common electrode and the second common electrode are disposed on the second substrate with a spacer disposed between the first common electrode and the second common electrode for insulation from each other;
- the first common electrode is overlapped with the corresponding pixel electrodes to form a first area, and the second common electrode is overlapped with the corresponding pixel electrodes to form a second area;
- the pre-tilt angles of the liquid crystal molecules in the liquid crystal layer corresponding to the first area are different from the pre-tilt angles of the liquid crystal molecules in the liquid crystal layer corresponding to the second area, and the pre-tilt angles are formed by controlling the first common electrode and the second common electrode to connect with different common voltages in an alignment stage;
- wherein the display panel further comprises a common line, and a projection of the common line is disposed corresponding to the spacer between the first common electrode and the second common electrode.
12 more elements
A display panel, comprising:
- a first substrate;
- a second substrate, disposed opposite to the first substrate;
- and
- a liquid crystal layer, disposed between the first substrate and the second substrate;
- wherein a display area of the display panel is divided into at least a first area and a second area, and light transmittance of the first area is different from light transmittance of the second area when driven by the identical voltage difference;
- pre-tilt angles of liquid crystal molecules corresponding to the first area are different from pre-tilt angles of liquid crystal molecules corresponding to the second area;
- wherein the display panel comprises:
- a plurality of pixel electrodes, disposed on the first substrate;
- a first common electrode;
- and
- a second common electrode;
- wherein the first common electrode and the second common electrode are disposed on the second substrate with a spacer disposed between the first common electrode and the second common electrode for insulation from each other;
- the first common electrode is overlapped with the corresponding pixel electrodes to form a first area, and the second common electrode is overlapped with the corresponding pixel electrodes to form a second area;
- the pre-tilt angles of the liquid crystal molecules in the liquid crystal layer corresponding to the first area are different from the pre-tilt angles of the liquid crystal molecules in the liquid crystal layer corresponding to the second area, and the pre-tilt angles are formed by controlling the first common electrode and the second common electrode to connect with different common voltages in an alignment stage;
- wherein the first common electrode comprises a first vertical portion and a plurality of first horizontal portions, the first vertical portion is in communication with the first horizontal portion, the first horizontal portion extends in a direction perpendicular to the first vertical portion, and the plurality of first horizontal portions are disposed in parallel along a scanning line direction of the display panel with two adjacent first horizontal portions spaced from each other;
- the second common electrode comprises a second vertical portion and a plurality of second horizontal portions, the second vertical portion is in communication with the second horizontal portion, the second horizontal portion extends in a direction perpendicular to the second vertical portion, and the second horizontal portions are disposed in parallel with two adjacent second horizontal portions spaced from each other and a spacer disposed between adjacent first horizontal portion and second horizontal portion.
13 more elements
Dependencies are inferred from the claim text.