IP Library › Granted Patent US 12,462,746
Granted Patent B2
US 12,462,746 · App. 18/211,389 · Granted Nov 4, 2025

Display panel

Inventors: Yu-Jin Jeon (Yongin-si, KR); Wonse Lee (Yongin-si, KR); Nuree Um (Yongin-si, KR); Donghyeon Jang (Yongin-si, KR); Jaewon Cho (Yongin-si, KR)
Assignee: SAMSUNG DISPLAY CO., LTD.
G09G3/3233H10K59/131G09G2300/0842G09G2310/0297G09G2320/045
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Quick Facts
Patent No.
US 12,462,746
App. No.
18/211,389
Granted
Nov 4, 2025
Kind
B2
Abstract

A display panel includes a plurality of pixels disposed in a display area, where the display area includes a round-type edge and a flat-type edge extending from the round-type edge, a first constant voltage transfer electrode extending in a first direction and disposed in a peripheral area adjacent to the display area, a first constant voltage transfer line electrically connected to the first constant voltage transfer electrode in the peripheral area, where the first constant voltage transfer line extends from the first constant voltage transfer electrode to the display area via the flat-type edge, and a second constant voltage transfer line electrically connected to the first constant voltage transfer electrode in the peripheral area, where the second constant voltage transfer line extends from the first constant voltage transfer electrode to the display area via the round-type edge.

Claims (45)

1 . A display panel comprising:

a plurality of pixels disposed in a display area, wherein the display area includes a round-type edge and a flat-type edge extending from the round-type edge;

a first constant voltage transfer electrode linearly extending in a first direction and disposed in a peripheral area adjacent to the display area;

a first constant voltage transfer line electrically connected to the first constant voltage transfer electrode in the peripheral area, wherein the first constant voltage transfer line extends from a straight portion of the first constant voltage transfer electrode to the display area via the flat-type edge; and

a second constant voltage transfer line electrically connected to the first constant voltage transfer electrode in the peripheral area, wherein the second constant voltage transfer line extends from the straight portion of the first constant voltage transfer electrode to the display area via the round-type edge.

2 . The display panel of claim 1 , further comprising:

a horizontal transfer line electrically connected to each of the first constant voltage transfer line and the second constant voltage transfer line in the display area.

3 . The display panel of claim 2 , wherein

each of the first constant voltage transfer line, the second constant voltage transfer line, and the horizontal transfer line is provided in plural, and

a plurality of horizontal transfer lines cross a plurality of first constant voltage transfer lines and a plurality of second constant voltage transfer lines to form a mesh shape in a plan view.

4 . The display panel of claim 1 , wherein

each of the first constant voltage transfer line and the second constant voltage transfer line is integrally formed with the first constant voltage transfer electrode as a single unitary and indivisible part, and

the first constant voltage transfer line and the second constant voltage transfer line are defined as lines branching from and extending from the first constant voltage transfer electrode.

5 . The display panel of claim 1 , wherein each of the first constant voltage transfer line and the second constant voltage transfer line extends in a second direction crossing the first direction in the display area.

6 . The display panel of claim 1 , wherein the second constant voltage transfer line comprises:

a first portion electrically connected to the first constant voltage transfer electrode in the peripheral area, and extending in a second direction crossing the first direction;

a second portion extending from the first portion in a direction crossing each of the first direction and second direction; and

a third portion extending from the second portion to the display area via the round-type edge.

7 . The display panel of claim 6 , wherein the first constant voltage transfer line extends in the second direction in the peripheral area.

8 . The display panel of claim 1 , further comprising:

a demuxing unit disposed in the peripheral area and which demuxes a data signal, wherein the demuxing unit comprises a first demultiplexer unit and a second demultiplexer unit disposed adjacent to the first demultiplexer unit;

a first data line electrically connected to the first demultiplexer unit in the peripheral area, and extending to the display area via the flat-type edge; and

a second data line electrically connected to the second demultiplexer unit in the peripheral area, and extending to the display area via the round-type edge.

9 . The display panel of claim 8 , wherein the first data line comprises:

a first bridge line electrically connected to the first demultiplexer unit, and overlapping the first constant voltage transfer electrode in a plan view, wherein the first bridge line is disposed in a different layer from a layer in which the first constant voltage transfer electrode is disposed; and

a first data transfer line electrically connected to the first bridge line, and extending to the display area via the flat-type edge.

10 . The display panel of claim 9 , wherein the second data line comprises:

a second bridge line electrically connected to the second demultiplexer unit, and overlapping the first constant voltage transfer electrode in the plan view, wherein the second bridge line is disposed in a different layer from the layer in which the first constant voltage transfer electrode is disposed; and

a second data transfer line electrically connected to the second bridge line, and extending to the display area via the round-type edge.

11 . The display panel of claim 10 , wherein the first data transfer line, the second data transfer line, the first constant voltage transfer line, and the second constant voltage transfer line are disposed in a same layer as each other.

12 . The display panel of claim 8 , wherein

each of the second data line and the second constant voltage transfer line is provided in plural, wherein,

a number of a plurality of second data lines is the same as a number of a plurality of second constant voltage transfer lines.

13 . The display panel of claim 12 , wherein the second data lines and the second constant voltage transfer lines are alternately arranged in the peripheral area.

14 . The display panel of claim 8 , wherein a planar area of the first demultiplexer unit is greater than a planar area of the second demultiplexer unit.

15 . The display panel of claim 14 , wherein a width of the first demultiplexer unit in the first direction is greater than a width of the second demultiplexer unit in the first direction.

16 . The display panel of claim 8 , further comprising:

a second constant voltage transfer electrode disposed to space apart from the first constant voltage transfer electrode in a second direction crossing the first direction, and electrically connected to a pad electrode unit, wherein the first demultiplexer unit and the second demultiplexer unit are disposed between the first constant voltage transfer electrode and the second constant voltage transfer electrode; and

a constant voltage bridge electrode electrically connecting the first constant voltage transfer electrode and the second constant voltage transfer electrode to each other.

17 . The display panel of claim 16 , wherein

each of the first demultiplexer unit and the constant voltage bridge electrode is provided in plural, and

one of a plurality of constant voltage bridge electrodes is disposed between two adjacent first demultiplexer units among a plurality of first demultiplexer units in a plan view.

18 . The display panel of claim 16 , further comprising:

A cover bridge electrode electrically connecting the first constant voltage transfer electrode and the second constant voltage transfer electrode to each other, and overlapping at least a portion of the second demultiplexer unit in a plan view.

19 . The display panel of claim 18 , wherein the cover bridge electrode is electrically insulated from the second demultiplexer unit.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 22, 2023
From: JEON, YU-JIN; LEE, WONSE; UM, NUREE; JANG, DONGHYEON; CHO, JAEWON
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 064024/0849 →
Priority Claims (1)
KR 10-2022-0136863 · Oct 21, 2022 · national
Continuity (1)
Related Publication 20240185781A1 · Jun 6, 2024
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