Display panel and display device

Patent metadata

Field	Value
Publication number	US-11328657-B2
Application number	US-202017072148-A
Country	US
Kind code	B2
Filing date	Oct 16, 2020
Priority date	Oct 28, 2019
Publication date	May 10, 2022
Grant date	May 10, 2022

Abstract

Display panels and display devices are provided. The display panel includes a non-display area, a display area surrounding the non-display area, and a plurality of first signal wirings arranged along a first direction. The non-display area includes a first non-display area between adjacent through-holes of the at least two through-holes, a second non-display area located between the at least two through-holes and the display area, and at least two through-holes arranged along the first direction. The plurality of first signal wirings includes a plurality of first sub-signal wirings and a plurality of first cross-lines. Each end of the first cross-line is connected to one first sub-signal wiring; a number of first cross-lines of the plurality of first cross-lines in the first non-display area is M; a number of first cross-lines of the plurality of first cross-lines in the second non-display area is N; and M is greater than N.

First claim

What is claimed is:

1. A display panel, comprising:
a non-display area, a display area surrounding the non-display area, and a plurality of first signal wirings arranged along a first direction,
wherein:
the non-display area includes a first non-display area, a second non-display area and at least two through-holes;
the at least two through-holes are arranged along the first direction;
the first non-display area is located between two adjacent through-holes of the at least two through-holes;
the second non-display area is located between the at least two through-holes and the display area;
the plurality of first signal wirings include a plurality of first sub-signal wirings and a plurality of first cross-lines;
the plurality of first sub-signal wirings are disposed in the display area;
the plurality of first cross-lines are disposed in the non-display area;
each of two ends of each of the plurality of first cross-lines is connected to one first sub-signal wiring of the plurality of first sub-signal wirings;
a number of first cross-lines of the plurality of first cross-lines in the first non-display area is M;
a number of first cross-lines of the plurality of first cross-lines in the second non-display area is N;
M is greater than N, and
a plurality of second signal wirings arranged along a second direction intersecting the first direction,
wherein:
the plurality of second signal wirings includes a plurality of third sub-signal wirings and a plurality of second cross-lines;
the plurality of third sub-signal wirings are disposed in the display area;
the plurality of second cross-lines are disposed in the non-display area;
each of two ends of a second cross-line of the plurality of second cross-lines is connected to a third sub-signal wiring of the plurality of third sub-signal wirings,
the plurality of first cross-lines and the plurality of first sub-signal wirings are disposed in different layers and a resistivity of the plurality of first cross-lines is greater than a resistivity of the plurality of first sub-signal wirings; and/or
the plurality of second cross-lines and the plurality of third sub-signal wirings are disposed in different layers and a resistivity of the plurality of second cross-lines is greater than a resistivity of the plurality of third sub-signal wirings.

2. The display panel according to claim 1 , wherein:
the first direction is a row direction of the display panel, and the plurality of first signal wirings include one or more of scan signal lines, reference voltage lines, and light-emitting control lines; or
the first direction is a column direction of the display panel, and the plurality of first wirings lines include one or more of data signal lines, and positive power source voltage signal lines.

3. A display panel, comprising:
a non-display area, a display area surrounding the non-display area, and a plurality of first signal wirings arranged along a first direction,
wherein:
the non-display area includes a first non-display area, a second non-display area and at least two through-holes;
the at least two through-holes are arranged along the first direction;
the first non-display area is located between two adjacent through-holes of the at least two through-holes;
the second non-display area is located between the at least two through-holes and the display area;
the plurality of first signal wirings include a plurality of first sub-signal wirings and a plurality of first cross-lines;
the plurality of first sub-signal wirings are disposed in the display area;
the plurality of first cross-lines are disposed in the non-display area;
each of two ends of each of the plurality of first cross-lines is connected to one first sub-signal wiring of the plurality of first sub-signal wirings;
a number of first cross-lines of the plurality of first cross-lines in the first non-display area is M;
a number of first cross-lines of the plurality of first cross-lines in the second non-display area is N; and
M is greater than N, wherein:
a plurality of second signal wirings arranged along a second direction intersecting the first direction,
the plurality of second signal wirings includes a plurality of third sub-signal wirings and a plurality of second cross-lines;
the plurality of third sub-signal wirings are disposed in the display area;
the plurality of second cross-lines are disposed in the non-display area;

each of two ends of a second cross-line of the plurality of second cross-lines is connected to a third sub-signal wiring of the plurality of third sub-signal wirings,
along a thickness direction of the display panel, the plurality of first sub-signal wirings and the plurality of third sub-signal wirings overlap to each other in the first non-display area;
overlapping positions of the plurality of first sub-signal wirings and the plurality of third sub-signal wirings have capacitance compensation patterns; and
the capacitance compensation patterns and the plurality of third sub-signal wirings form compensation capacitances.

4. The display panel according to claim 3 , wherein:
the plurality of first signal wirings further include a plurality of second sub-signal wirings and a first common cross-line;
the plurality of second sub-signal wirings are disposed in the display area;
the first common cross-line is disposed in the non-display area;
signals on a preset number of second sub-signal wirings of the plurality of second sub-signal wirings are same; and
each of two ends of the first common cross-line is connected to multiple second sub-signal wirings of the preset number of second sub-signal wirings with a same signal.

5. The display panel according to claim 3 , wherein:
the plurality of first signal wirings further include a plurality of second sub-signal wirings and a first common surrounding line;
the plurality of second sub-signal wirings are disposed in the display area;
the first common surrounding line is disposed in the non-display area, and surrounds the non-display area;
signals on the plurality of second sub-signal wirings are same; and
the first common surrounding line is connected to the plurality of second sub-signal wirings.

6. The display panel according to claim 3 , wherein:
the plurality of second signal wirings further include a plurality of fourth sub-signal wirings and a plurality of second common cross-lines;
the plurality of fourth sub-signal wirings are disposed in the display area;
the plurality of second common cross-lines are disposed in the non-display area;
signals on a preset number of fourth sub-signal wirings of the plurality of fourth sub-signal wirings are same; and
each of two ends of a second common cross-line of the plurality of second common cross-lines is connected to multiple fourth sub-signal wirings of the preset number of fourth sub-signal wirings.

7. The display panel according to claim 3 , wherein:
the plurality of second signal wirings further include a plurality of fourth sub-signal wirings and a second common surrounding line;
the plurality of fourth sub-signal wirings are disposed in the display area;
the second common surrounding line is disposed in the non-display area, and extends around the non-display area;
signals on the plurality of fourth sub-signal wirings are same; and
the second common surrounding line is connected to the plurality of fourth sub-signal wirings.

8. The display panel according to claim 3 , wherein:
the plurality of first cross-lines and the plurality of first sub-signal wirings are disposed in different layers and a resistivity of the plurality of first cross-lines is greater than a resistivity of the plurality of first sub-signal wirings; and/or
the plurality of s

Assignees

• Wuhan Tianma Micro Electronics Co Ltd

Inventors

• Fei Rili
• Zhou Ruiyuan
• Xia Zhiqiang
• Chen Yingjie

Classifications

• G09G3/20 Primary

  for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix {no fixed position being assigned to or needed to be assigned to the individual characters or partial characters} · CPC title

• G09G2310/0202

  Addressing of scan or signal lines · CPC title

• G09G2300/0426

  Layout of electrodes and connections · CPC title

• G09G3/32 Primary

  semiconductive, e.g. using light-emitting diodes [LED] · CPC title

• G09F9/30 Primary

  in which the desired character or characters are formed by combining individual elements (panels comprising a number of electrodes in a single cell controlling light arriving from an independent light source, e.g. electro-optical or magneto-optical cell, G02F1/00) · CPC title