Array base plate and preparing method thereof, and display panel

Patent metadata

Field	Value
Publication number	US-12124648-B2
Application number	US-202117795703-A
Country	US
Kind code	B2
Filing date	Aug 26, 2021
Priority date	Aug 26, 2021
Publication date	Oct 22, 2024
Grant date	Oct 22, 2024

Abstract

The present application provides an array base plate and a preparing method thereof, and a display panel. The array base plate includes a plurality of touch-controlling units that are disposed on the substrate and are arranged in an array, wherein the first electrodes of all of the sub-pixels of the touch-controlling units are electrically connected; a plurality of driving electrode lines, wherein at least part of orthographic projections of the driving electrode lines on the substrate are disposed between orthographic projections on the substrate of two neighboring rows of the first electrodes, and the driving electrode lines are electrically connected to at least one of the first electrodes; in the two neighboring rows of the first electrodes, all of the rows of the first electrodes are arranged in a direction of the driving electrode lines.

First claim

The invention claimed is:

1. An array base plate, wherein the array base plate comprises: a substrate; a plurality of touch-controlling units that are disposed on the substrate and are arranged in an array, wherein each of the touch-controlling units comprises a plurality of sub-pixels arranged in an array; each of the sub-pixels comprises a first electrode; the first electrodes of all of the sub-pixels of the touch-controlling units are electrically connected; and the first electrodes are configured for being used as driving electrodes at a displaying stage, and used as touch-controlling sensing electrodes at a touch-controlling stage; a plurality of driving electrode lines, wherein at least part of orthographic projections of the driving electrode lines on the substrate are disposed between orthographic projections on the substrate of two neighboring rows of the first electrodes, and the driving electrode lines are electrically connected to at least one of the first electrodes; in the two neighboring rows of the first electrodes, all of the rows of the first electrodes are arranged in a direction of the driving electrode lines; each of the driving electrode lines comprises one or more disconnection points, and the disconnection points of the driving electrode lines are located at boundaries between two neighboring touch-controlling units that are arranged in the direction of the driving electrode lines; and the driving electrode lines are configured for transmitting driving signals at the displaying stage, and transmitting touch-controlling signals at the touch-controlling stage; one or more isolating via holes, wherein the isolating via holes are disposed at the boundaries between the two neighboring touch-controlling units that are arranged in the direction of the driving electrode lines, and expose the disconnection points of the driving electrode lines; one or more isolating and insulating parts, wherein each of the isolating and insulating parts is disposed inside one of the isolating via holes, and fills and levels up the isolating via hole; wherein the driving electrode lines comprise first electrode lines; the isolating via holes comprise first via holes; the isolating and insulating parts include first insulating parts; a plurality of the first electrode lines are arranged in a first direction, the first electrode lines are parallel to a row of the first electrodes that are arranged in a second direction, at least part of orthographic projections of the first electrode lines on the substrate are disposed between orthographic projections on the substrate of two neighboring rows of the first electrodes that are arranged in the first direction, and the first electrode lines are electrically connected to the first electrodes in a same one row; each of the first electrode lines comprises a plurality of the disconnection points, and the disconnection points of the first electrode lines are located at boundaries between any two neighboring touch-controlling units that are arranged in the second direction; the second direction intersects with the first direction; the first via holes are disposed at the boundaries between the two neighboring touch-controlling units that are arranged in the second direction, and expose the disconnection points of the first electrode lines; and each of the first insulating parts is disposed inside one of the first via holes, and fills and levels up the first via hole.

2. The array base plate according to claim 1 , wherein the array base plate further comprises an alignment layer, and the alignment layer covers the plurality of touch-controlling units; and the alignment layer and the first insulating parts are of an integral structure.

3. The array base plate according to claim 1 , wherein the array base plate further comprises an alignment layer, and the alignment layer is disposed on one side of the touch-controlling units that is away from the substrate, and covers the plurality of touch-controlling units; each of the first insulating parts comprises a first insulating sub-part and a second insulating sub-part, the first insulating sub-part is located at one of the disconnection points of the first electrode lines, and the second insulating sub-part is disposed on one side of the first insulating sub-part that is away from the substrate; and the alignment layer and the second insulating sub-part are of an integral structure.

4. The array base plate according to claim 1 , wherein the driving electrode lines comprise second electrode lines;
the isolating via holes comprise second via holes;
the isolating and insulating parts comprise second insulating parts;
a plurality of the second electrode lines are arranged in the second direction, and orthographic projections of the second electrode lines on the substrate are disposed between orthographic projections on the substrate of two neighboring rows of the first electrodes that are arranged in the second direction, and the second electrode lines are electrically connected to at least one of the first electrodes that belong to a same one touch-controlling unit;
each of the second electrode lines comprises a disconnection point, and the disconnection point of the second electrode line is located at a boundary between two neighboring touch-controlling units that are arranged in the first direction;
each of the second via holes is disposed at the boundary between the two neighboring touch-controlling units that are arranged in the first direction, and exposes the disconnection point of the second electrode line;
the second via holes and the first via holes do not intersect or overlap in a direction perpendicular to a plane where the substrate is located; and
each of the second insulating parts is disposed inside one of the second via holes, and fills and levels up the second via hole.

5. The array base plate according to claim 4 , wherein the array base plate further comprises an alignment layer, and the alignment layer covers the plurality of touch-controlling units; and
the alignment layer and the second insulating parts are of an integral structure.

6. The array base plate according to claim 4 , wherein the array base plate further comprises a substrate and an alignment layer, and the alignment layer is disposed on one side of the touch-controlling units that is away from the substrate, and covers the plurality of touch-controlling units;
each of the second insulating parts comprises a third insulating sub-part and a fourth insulating sub-part, the third insulating sub-part is located at one of the disconnection points of the second electrode lines, and the fourth insulating sub-part is disposed on one side of the third insulating sub-part that is away from the substrate; and
the alignment layer and the fourth insulating sub-part are of an integral structure.

7. The array base plate according to claim 4 , wherein the disconnection points of the plurality of second electrode lines are arranged in the second direction, and the plurality of second via holes are arranged in the second direction.

8. The array base plate according to claim 4 , wherein each of the sub-pixels further comprises a transistor and a second electrode;
the transistor does not intersect or overlap with the first electrode line, the first electrode and the second electrode line in the direction perpendicular to the plane where the substrate is located;
the transistor comprises a grid electrode, a first terminal and a second terminal;
an orthographic projection of the second electrode on the substrate and an orthographic projection of the first electrode on the substrate at least partially intersect or overlap; and
the second electrode is electrically connected to the first terminal, and is configured for, at the d

Assignees

• Fuzhou Boe Optoelectronics Tech Co Ltd
• Boe Technology Group Co Ltd

Inventors

• Xi Wenxing
• Fang Xin
• Lin Bin
• Wu Rong
• Zou Zhenyou
• Le Fadian
• Choi Daelim

Classifications

• H10D86/443

  adapted for preventing breakage, peeling or short circuiting · CPC title

• H10D86/60

  wherein the TFTs are in active matrices · CPC title

• G02F1/1368 Primary

  in which the switching element is a three-electrode device {(G02F1/136277 takes precedence)} · CPC title

• G02F1/136286

  Wiring, e.g. gate line, drain line · CPC title

• G06F3/0446

  using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes · CPC title