IP Library › Granted Patent US 12,646,443
Granted Patent B2
US 12,646,443 · App. 18/676,519 · Granted Jun 2, 2026

Display panel and display apparatus

Inventors: Jian Kuang (Xiamen, CN); Qingxia Wang (Shanghai, CN); Xingyao Zhou (Xiamen, CN); Yana Gao (Xiamen, CN); Gaojun Huang (Shanghai, CN); Mengmeng Zhang (Shanghai, CN)
Assignee: XIAMEN TIANMA DISPLAY TECHNOLOGY CO., LTD.
G09G3/32G09G2310/0267G09G2310/0275G09G2310/0297
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Quick Facts
Patent No.
US 12,646,443
App. No.
18/676,519
Granted
Jun 2, 2026
Kind
B2
Abstract

A display panel and a display apparatus are provided according to the present disclosure. First multiplexers are arranged on a second side of an active area. Less wiring is arranged in a chip bonding area in a border area, and therefore wires can be easily arranged in the chip bonding area in the border area, facilitating a narrow border of the display apparatus.

Claims (83)

1 . A display panel, comprising:

an active area; and

a border area comprising a chip bonding area arranged on a first side of the active area along a first direction, wherein

a plurality of data pins are arranged in the chip bonding area; and

a plurality of multiplexers are arranged in the border area, wherein the plurality of multiplexers comprises at least first multiplexers, the first multiplexers are arranged on a second side of the active area, and the first side of the active area is opposite to the second side of the active area; and

input terminals of the first multiplexers are electrically connected to first data input wires, and the first data input wires are electrically connected to the plurality of data pins through the active area, respectively,

wherein

each of the first data input wires comprises a first data transfer wire arranged in the border area on the first side of the active area, a data connecting wire arranged in the active area and a second data transfer wire arranged in the border area on the second side of the active area; and

one terminal of the first data transfer wire is electrically connected to the corresponding data pin, the other terminal of the first data transfer wire is electrically connected to one terminal of the data connecting wire, the other terminal of the data connecting wire is electrically connected to one terminal of the second data transfer wire, and the other terminal of the second data transfer wire is electrically connected to the input terminal of the corresponding first multiplexer.

2 . The display panel according to claim 1 , wherein

the active area is provided with a first curved edge on the first side along a second direction; and

no multiplexer is arranged at the first curved edge, and the first direction and the second direction intersect.

3 . The display panel according to claim 1 , wherein

the first multiplexers are arranged in sequence along an edge of the active area.

4 . The display panel according to claim 3 , wherein

the active area is provided with a second curved edge on the second side along the second direction; and

the first multiplexers are arranged in sequence along the second curved edge, and the first direction and the second direction intersect.

5 . The display panel according to claim 4 , wherein

a plurality of pixel rows are arranged in the active area along the first direction;

pixel gaps are formed between adjacent pixel rows at the second curved edge along the second direction, the first multiplexers are arranged at the pixel gaps, and the first direction and the second direction intersect; and

the pixel gaps are divided into first pixel gaps and second pixel gaps, the first pixel gap is longer than the second pixel gap, and the first multiplexers arranged at the first pixel gap are more than or equal to the first multiplexers arranged at the second pixel gap.

6 . The display panel according to claim 4 , wherein

a scanning drive circuit and scanning control signal wiring that extend along the first direction are arranged in the border area, the first multiplexers are arranged between the scanning drive circuit and the active area, and the scanning control signal wiring is arranged on a side of the scanning drive circuit away from the active area.

7 . The display panel according to claim 4 , wherein

a scanning drive circuit and scanning control signal wiring that extend along the first direction are arranged in the border area, the first multiplexers are arranged between the scanning drive circuit and the active area, and the scanning control signal wiring is arranged between the scanning drive circuit and the first multiplexers; and

a plurality of pixel rows are arranged in the active area along the first direction, and the scanning drive circuit is electrically connected to the plurality of pixel rows through respective scanning wires, wherein all the scanning wires intersect with and are insulated from the scanning control signal wiring in a direction perpendicular to the display panel.

8 . The display panel according to claim 1 , wherein

the input terminals and output terminals of the first multiplexers are arranged on two sides of the first multiplexers along the first direction.

9 . The display panel according to claim 1 , wherein

the second data transfer wire is at least partially arranged on a side of the corresponding first multiplexer away from the active area.

10 . The display panel according to claim 1 , wherein

the first multiplexers comprise a 1st first multiplexer to an Nth first multiplexer arranged in sequence along the second direction, and the first direction and the second direction intersect; and

the ith first multiplexer is connected to an ith data connecting wires among the data connecting wires and is connected to an ith data pin among the plurality of data pins, the first data connecting wire to the Nth data connecting wire are arranged in a direction opposite to a direction in which the 1st first multiplexer to the Nth first multiplexer are arranged, and the first data pin to the Nth data pin are arranged in a same direction as the 1st first multiplexer to the Nth first multiplexer, wherein N is an integer greater than or equal to two, and i is a positive integer less than or equal to N.

11 . The display panel according to claim 10 , wherein

the ith first multiplexer is connected to an ith first data transfer wire among the first data transfer wires, and the ith first data transfer wire comprises a lead wire and a winding wire;

the lead wire of the ith first data transfer wire is electrically connected to the ith data connecting wire, and extends to a side of the corresponding data pin away from the active area; and

the winding wire of the ith first data transfer wire is arranged on the side of the corresponding data pin away from the active area, two terminals of the winding wire of the ith first data transfer wire are electrically connected to the lead wire of the ith first data transfer wire and the ith data pin respectively, and the winding wires do not cross in a direction perpendicular to the display panel.

12 . The display panel according to claim 10 , wherein

the ith first multiplexer is connected to an ith second data transfer wire among the second data transfer wires, and the 1 st second data transfer wire to the Nth second data transfer wire are arranged in sequence along the first direction and do not cross in a direction perpendicular to the display panel.

13 . The display panel according to claim 1 , wherein

the first multiplexers comprise a 1st first multiplexer to an Nth first multiplexer arranged in sequence along the second direction, and the first direction and the second direction intersect; and

the ith first multiplexer is connected to an ith data connecting wires among the data connecting wires and is connected to an ith data pin among the plurality of data pins, the first data connecting wire to the Nth data connecting wire are arranged in a same direction as the 1 st first multiplexer to the Nth first multiplexer, and the first data pin to the Nth data pin are arranged in the same direction as the 1 st first multiplexer to the Nth first multiplexer, wherein N is an integer greater than or equal to two, and i is a positive integer less than or equal to N.

14 . The display panel according to claim 13 , wherein

the ith first multiplexer is connected to an ith first data transfer wire among the first data transfer wires, and the ith first data transfer wire is electrically connected to the ith data pin on a side of the ith data pin toward the active area.

15 . The display panel according to claim 13 , wherein

the ith first multiplexer is connected to an ith second data transfer wire among the second data transfer wires, and the 1 st second data transfer wire to the Nth second data transfer wire are arranged in sequence along the first direction and cross in a direction perpendicular to the display panel.

16 . The display panel according to claim 1 , wherein

a plurality of data wires are arranged in the active area and are connected to output terminals of the multiplexers, respectively; and

the data connecting wires are arranged in a different layer than the plurality of data wires.

17 . The display panel according to claim 1 , wherein

two of the first data transfer wire, the data connecting wire and the second data transfer wire are arranged in a same layer or in different layers.

18 . The display panel according to claim 1 , wherein

the data connecting wire is narrower than at least one of the first data transfer wire and the second data transfer wire.

19 . The display panel according to claim 1 , further comprises a shielding signal wire:

wherein the first data input wire is at least partially arranged in a different layer than the shielding signal wire; and

the first data input wire at least partially overlaps the shielding signal wire in a direction perpendicular to the display panel.

20 . The display panel according to claim 19 , wherein

a segment of the first data input wire along a direction in which the first data input wire extends overlaps the shielding signal wire; and/or

a compensation segment of the first data input wire along a direction intersecting the direction in which the first data input wire extends overlaps the shielding signal wire, wherein the compensation segment is wider than other parts of the first data input wire.

21 . The display panel according to claim 1 , comprising:

a substrate;

first data input wires arranged on a side of the substrate; and

a plurality of light-emitting elements on a side of the first data input wire away from the substrate, wherein each of the light-emitting elements includes an anode, an emissive layer and a cathode stacked in sequence, and the first data input wires do not overlap the anode in a direction perpendicular to the display panel.

22 . The display panel according to claim 1 , comprising:

a substrate;

a gate metal layer arranged on a side of the substrate;

a first insulating layer arranged on a side of the gate metal layer away from the substrate;

a source-drain metal layer arranged on a side of the first insulating layer away from the substrate;

a second insulating layer arranged on a side of the source-drain metal layer away from the substrate; and

a transfer metal layer arranged on a side of the second insulating layer away from the substrate, wherein the display panel further comprises:

a third insulating layer arranged between the substrate and the gate metal layer, and a transmission metal layer arranged between the third insulating layer and the substrate; or

a third insulating layer arranged on a side of the transfer metal layer away from the substrate, and a transmission metal layer arranged on a side of the third insulating layer away from the substrate,

wherein the first data input wire is at least partially arranged in the transmission metal layer.

23 . The display panel according to claim 22 , wherein

the third insulating layer ranges from 5000 to 10000 angstroms in thickness.

24 . The display panel according to claim 1 , wherein

the plurality of multiplexers comprises second multiplexers arranged between the active area and the chip bonding area; and

a plurality of second data input wires are arranged in the border area between the second multiplexers and the chip bonding area, and input terminals of the second multiplexers are electrically connected to the plurality of second data input wires that are electrically connected to the plurality of the data pins, respectively.

25 . The display panel according to claim 24 , wherein

the first data input wire is at least partially smaller than the second data input wire in sheet resistance.

26 . The display panel according to claim 24 , wherein

the first data input wire is at least partially wider than the second data input wire.

27 . A display apparatus, comprising: a display panel comprising: an active area; and a border area comprising a chip bonding area arranged on a first side of the active area along a first direction, wherein a plurality of data pins are arranged in the chip bonding area; and a plurality of multiplexers are arranged in the border area, wherein the plurality of multiplexers comprises at least first multiplexers, the first multiplexers are arranged on a second side of the active area, and the first side of the active area is opposite to the second side of the active area; and input terminals of the first multiplexers are electrically connected to first data input wires, and the first data input wires are electrically connected to the plurality of data pins through the active area, respectively, wherein each of the first data input wires comprises a first data transfer wire arranged in the border area on the first side of the active area, a data connecting wire arranged in the active area and a second data transfer wire arranged in the border area on the second side of the active area; and one terminal of the first data transfer wire is electrically connected to the corresponding data pin, the other terminal of the first data transfer wire is electrically connected to one terminal of the data connecting wire, the other terminal of the data connecting wire is electrically connected to one terminal of the second data transfer wire, and the other terminal of the second data transfer wire is electrically connected to the input terminal of the corresponding first multiplexer.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 29, 2024
From: KUANG, JIAN; WANG, QINGXIA; ZHOU, XINGYAO; GAO, YANA; HUANG, GAOJUN; ZHANG, MENGMENG
To: XIAMEN TIANMA DISPLAY TECHNOLOGY CO., LTD.
Reel/Frame 067545/0407 →
Priority Claims (1)
CN 202311797336.0 · Dec 25, 2023 · national
Continuity (1)
Related Publication 20240312401A1 · Sep 19, 2024
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