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CN-117452716-B - Display panel and display device

CN117452716BCN 117452716 BCN117452716 BCN 117452716BCN-117452716-B

Abstract

The invention provides a display panel and a display device. The display panel comprises a plurality of data lines, a plurality of first scanning lines and a plurality of sub-pixels, wherein the plurality of first scanning lines intersect the plurality of data lines, each sub-pixel comprises a pixel driving circuit and a pixel electrode electrically connected with the pixel driving circuit, the pixel driving circuit is located in the main non-opening area and is electrically connected with the corresponding data line and the corresponding first scanning line, the pixel electrode is at least partially located in the opening area, the display panel further comprises a plurality of polar plates, at least one polar plate is located in the main non-opening area of the corresponding sub-pixel area, is located between the corresponding data line electrically connected with the pixel driving circuit in the main non-opening area and the adjacent data line and is electrically connected with the adjacent data line, and a first capacitor is formed between the polar plate and the pixel electrode in the opening area of the corresponding sub-pixel area.

Inventors

  • YANG LIU
  • HU MENGMENG

Assignees

  • TCL华星光电技术有限公司

Dates

Publication Date
20260512
Application Date
20221230

Claims (9)

  1. 1. A display panel comprising a display area, the display area comprising a plurality of sub-pixel areas, each sub-pixel area comprising an open area and a non-open area, the non-open area comprising a main non-open area on one side of the open area, the display panel comprising: a plurality of data lines extending in a first direction; A plurality of first scan lines extending along a second direction intersecting the first direction, and Each sub-pixel is positioned in the corresponding sub-pixel area and comprises a pixel driving circuit and a pixel electrode electrically connected with the pixel driving circuit, wherein the pixel driving circuit is positioned in the main non-opening area and is electrically connected with the corresponding data line and the corresponding first scanning line, and the pixel electrode is at least partially positioned in the opening area; The display panel further comprises a plurality of polar plates, at least one polar plate is located in the main non-opening area of the corresponding sub-pixel area, located between the corresponding data line and the adjacent data line which are electrically connected with the pixel driving circuit in the main non-opening area and electrically connected with the adjacent data line, the polar plate and the pixel electrode in the opening area of the corresponding sub-pixel area form a first capacitor, at least one pixel electrode comprises an extending part located in the corresponding main non-opening area, and at least one polar plate and the corresponding extending part are overlapped in a top view.
  2. 2. The display panel of claim 1, wherein at least one of the pixel electrodes comprises a main electrode and a plurality of branch electrodes connected to the main electrode, at least one of the branch electrodes comprising the extension portion.
  3. 3. The display panel of claim 1, wherein at least one of the plates has a width greater than a width of the corresponding data line.
  4. 4. The display panel of claim 1, further comprising a plurality of second scan lines extending along the first direction, each second scan line electrically connected to a corresponding first scan line and located in a different layer than the corresponding first scan line.
  5. 5. The display panel of claim 4, wherein each of the electrode plates is electrically connected to the adjacent data line through a bridge portion crossing the corresponding second scan line.
  6. 6. The display panel of claim 5, wherein the display panel comprises a first conductive layer, a first insulating layer on the first conductive layer, and a second conductive layer on the first insulating layer, the first conductive layer comprising a plurality of the first scan lines and a plurality of the bridge portions, the second conductive layer comprising a plurality of the second scan lines, a plurality of the data lines, and a plurality of the plate, each of the bridge portions being electrically connected between a corresponding one of the plate and an adjacent one of the data lines through a via hole of the first insulating layer.
  7. 7. The display panel of claim 6, wherein the first conductive layer further comprises a gate portion of each of the pixel driving circuits, the gate portion extending from one side of the corresponding first scan line, the gate portion having an area smaller than an area of the corresponding plate.
  8. 8. The display panel of claim 1, wherein the corresponding data line overlaps the pixel electrode in a top view and forms a second capacitance.
  9. 9. A display device comprising the display panel according to any one of claims 1-8.

Description

Display panel and display device Technical Field The invention relates to the technical field of display, in particular to a display panel and a display device. Background The development of the liquid crystal panel makes the width of the frame approach the development limit more and more, and the narrow frame is a big wind direction of the future market. In terms of design, the requirement of narrow frame is achieved by placing GOA (Gatedriveronarray, array substrate gate driver) from the left and right sides of the liquid crystal panel to the source driving side, however, this design has more vertical routing, and the vertical routing and the pixel electrode form larger parasitic capacitance. In the related art, in order to balance parasitic capacitance at one side of the sub-pixel, a dummy data line (Dummydataline) is designed at the other side of the sub-pixel, and a balance capacitance is formed between the dummy data line and the pixel electrode to balance parasitic capacitance at both sides of the sub-pixel. However, the dummy data line may reduce the aperture ratio. Disclosure of Invention The embodiment of the invention provides a display panel and a display device, which can improve the technical problem that the aperture ratio of a virtual data line can be reduced. The embodiment of the invention provides a display panel, which comprises a display area and a plurality of sub-pixel areas, wherein each sub-pixel area comprises an opening area and a non-opening area, the non-opening area comprises a main non-opening area positioned at one side of the opening area, the display panel comprises a plurality of data lines, a plurality of first scanning lines and a plurality of sub-pixels, the plurality of data lines extend along a first direction, the plurality of first scanning lines extend along a second direction intersecting the first direction, each sub-pixel is positioned in the corresponding sub-pixel area and comprises a pixel driving circuit and a pixel electrode electrically connected with the pixel driving circuit, the pixel driving circuit is positioned in the main non-opening area and is electrically connected with the corresponding data line and the corresponding first scanning line, the pixel electrode is at least partially positioned in the opening area, the display panel further comprises a plurality of electrode plates, at least one electrode plate is positioned in the main non-opening area of the corresponding sub-pixel area and comprises a pixel electrode electrically connected with the data line and the data line adjacent to the data line, and the pixel electrode electrically connected with the data line adjacent to the data line. In some embodiments, at least one of the pixel electrodes includes an extension within the corresponding main non-opening region, at least one of the electrode plates overlapping the corresponding extension in a top view. In some embodiments, at least one of the pixel electrodes includes a main electrode and a plurality of branch electrodes connected to the main electrode, at least one of the branch electrodes including the extension portion. In some embodiments, the width of at least one of the plates is greater than the width of the corresponding data line. In some embodiments, the display panel further includes a plurality of second scan lines extending along the first direction, each of the second scan lines being electrically connected to a corresponding one of the first scan lines and being located at a different layer from the corresponding one of the first scan lines. In some embodiments, each of the electrode plates is electrically connected to the adjacent data line through a bridge portion crossing the corresponding second scan line. In some embodiments, the display panel includes a first conductive layer, a first insulating layer on the first metal layer, and a second conductive layer on the first insulating layer, the first conductive layer includes a plurality of first scan lines and a plurality of bridging portions, the second conductive layer includes a plurality of second scan lines, a plurality of data lines, and a plurality of electrode plates, and each bridging portion is electrically connected between a corresponding electrode plate and an adjacent electrode plate through a via hole of the first insulating layer. In some embodiments, the first conductive layer further includes a gate portion of each of the pixel driving circuits, the gate portion extending from one side of the corresponding first scan line, the gate portion having an area smaller than an area of the corresponding plate. In some embodiments, the corresponding data line overlaps the pixel electrode in a top view, and forms a second capacitance. The embodiment of the invention also provides a display device comprising the display panel. In the display panel and the display device provided by the embodiment of the invention, the electrode plate electrically connected with t