IP Library › Granted Patent US 12,388,053
Granted Patent B2
US 12,388,053 · App. 17/862,827 · Granted Aug 12, 2025

Display device

Inventors: Jeng-Lin Cai (Hsin-Chu, TW); Chung-Hsien Hsu (Hsin-Chu, TW); Ming-Hung Tu (Hsin-Chu, TW); Ya-Fang Chen (Hsin-Chu, TW); Chih-Hsiang Yang (Hsin-Chu, TW)
Assignee: AUO CORPORATION
H01L25/0753H10H20/857
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,388,053
App. No.
17/862,827
Granted
Aug 12, 2025
Kind
B2
Abstract

The present disclosure provides a display device, including first to fourth LEDs, a line structure, and first to fourth lines. The second LED is arranged in a first direction corresponding to the first LED. The fourth LED is arranged in a second direction corresponding to the third LED. The line structure includes first to third line segments. The first line is coupled to the first LED. The second line is coupled to the second LED. The third line is coupled to the third LED. The fourth line is coupled to the fourth LED. A portion of the first line and a portion of the second line are in parallel with the first line segment, a portion of the third line is in parallel with the second line segment, and a portion of the fourth line is in parallel with the third line segment.

Claims (63)

1. A display device, comprising:

a first light emitting diode;

a second light emitting diode, arranged in a first direction corresponding to the first light emitting diode;

a third light emitting diode;

a fourth light emitting diode, arranged in a second direction corresponding to the third light emitting diode, the third light emitting diode and the fourth light emitting diode being arranged between the first light emitting diode and the second light emitting diode, wherein the second direction is different from the first direction;

a line structure, comprising a first line segment, a second line segment, and a third line segment, wherein the first line segment extends along the first direction and couples the first light emitting diode to the second light emitting diode, the second line segment is coupled to the third light emitting diode, and the third line segment is coupled to the fourth light emitting diode;

a first line, coupled to the first light emitting diode;

a second line, coupled to the second light emitting diode;

a third line, coupled to the third light emitting diode; and

a fourth line, coupled to the fourth light emitting diode;

wherein a portion of the first line and a portion of the second line are in parallel with the first line segment, a portion of the third line is in parallel with the second line segment, and a portion of the fourth line is in parallel with the third line segment.

2. The display device of claim 1 , wherein:

the line structure is coupled to electrodes of the first light emitting diode, the second light emitting diode, the third light emitting diode, and the fourth light emitting diode, the electrodes have the same polarities.

3. The display device of claim 1 , wherein:

the first line segment, the second line segment, and the third line segment are arranged in the same layer.

4. The display device of claim 1 , wherein:

an anode-to-cathode direction of the first light emitting diode is opposite to an anode-to-cathode direction of the second light emitting diode.

5. The display device of claim 4 , wherein:

an anode-to-cathode direction of the third light emitting diode is opposite to an anode-to-cathode direction of the fourth light emitting diode.

6. The display device of claim 1 , wherein:

an anode-to-cathode direction of the first light emitting diode and an anode-to-cathode direction of the third light emitting diode are the first direction.

7. The display device of claim 6 , wherein:

an anode-to-cathode direction of the second light emitting diode and an anode-to-cathode direction of the fourth light emitting diode are opposite to the first direction.

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

a connecting piece, configured to couple the first light emitting diode, the second light emitting diode, the third light emitting diode, and the fourth light emitting diode to a reference voltage.

9. The display device of claim 1 , wherein:

the line structure couples anodes of the first light emitting diode, the second light emitting diode, the third light emitting diode, and the fourth light emitting diode with each other.

10. The display device of claim 1 , wherein:

the line structure couples cathodes of the first light emitting diode, the second light emitting diode, the third light emitting diode, and the fourth light emitting diode with each other.

11. The display device of claim 1 , wherein:

the first light emitting diode and the second light emitting diode have a deviation in the first direction.

12. The display device of claim 1 , wherein:

the third light emitting diode and the fourth light emitting diode have a deviation in the second direction.

13. A display device, comprising:

a plurality of light emitting units, each of the plurality of light emitting units comprising:

a first light emitting diode, a second light emitting diode, a third light emitting diode, and a fourth light emitting diode, respectively arranged at up, down, left, and right positions in a plane, such that the plurality of light emitting units comprise first light emitting diodes, second light emitting diodes, third light emitting diodes, and fourth light emitting diodes; and

a plurality of line structures, each of the plurality of line structures being coupled to electrodes of the first light emitting diode, the second light emitting diode, the third light emitting diode, and the fourth light emitting diode in a corresponding light emitting unit of the plurality of light emitting units, the electrodes having the same polarities, each of the plurality of line structures comprising:

a first line segment, a second line segment, and a third line segment, wherein the first line segment couples the third light emitting diode to the fourth light emitting diode, the second line segment is coupled to the first light emitting diode, and the third line segment is coupled to the second light emitting diode;

a first line, coupling the first light emitting diodes of the plurality of light emitting units with each other;

a second line, coupling the second light emitting diodes of the plurality of light emitting units with each other;

a third line, coupling the third light emitting diodes of the plurality of light emitting units with each other; and

a fourth line, coupling the fourth light emitting diodes of the plurality of light emitting units with each other.

14. The display device of claim 13 , wherein:

an anode-to-cathode direction of the first light emitting diodes is opposite to an anode-to-cathode direction of the second light emitting diodes.

15. The display device of claim 14 , wherein:

an anode-to-cathode direction of the third light emitting diodes is opposite to an anode-to-cathode direction of the fourth light emitting diodes.

16. The display device of claim 13 , wherein:

the first line segment, the second line segment, and the third line segment of each of the plurality of line structures are arranged in the same layer.

17. The display device of claim 13 , wherein:

the first line couples anodes of the first light emitting diodes of the plurality of light emitting units with each other;

the second line couples anodes of the second light emitting diodes of the plurality of light emitting units with each other;

the third line couples anodes of the third light emitting diodes of the plurality of light emitting units with each other; and

the fourth line couples anodes of the fourth light emitting diodes of the plurality of light emitting units with each other.

18. The display device of claim 13 , wherein:

the first line couples cathodes of the first light emitting diodes of the plurality of light emitting units with each other;

the second line couples cathodes of the second light emitting diodes of the plurality of light emitting units with each other;

the third line couples cathodes of the third light emitting diodes of the plurality of light emitting units with each other; and

the fourth line couples cathodes of the fourth light emitting diodes of the plurality of light emitting units with each other.

19. The display device of claim 13 , wherein:

the first line and the third line are arranged in different layers, and the second line and the fourth line are arranged in different layers.

20. The display device of claim 13 , wherein:

the plurality of line structures is configured to transmit relatively low voltages to the first light emitting diodes, the second light emitting diodes, the third light emitting diodes, and the fourth light emitting diodes; and

the first line, the second line, the third line, and the fourth line are configured to transmit relatively high voltages to the first light emitting diodes, the second light emitting diodes, the third light emitting diodes, and the fourth light emitting diodes.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 12, 2022
From: CAI, JENG-LIN; HSU, CHUNG-HSIEN; TU, MING-HUNG; CHEN, YA-FANG; YANG, CHIH-HSIANG
To: AUO CORPORATION
Reel/Frame 060484/0947 →
Priority Claims (1)
TW 110148504 · Dec 23, 2021 · national
Continuity (1)
Related Publication 20230207536A1 · Jun 29, 2023
References Cited (13)
US 11282786B2 · Radauscher · 2022 [cited by examiner]
US 20120146981A1 · Lau · 2012 [cited by examiner]
US 20140369042A1 · Hsu · 2014 [cited by applicant]
US 20150176820A1 · Abe · 2015 [cited by examiner]
US 20200194370A1 · Radauscher · 2020 [cited by examiner]
US 20210043616A1 · Jung · 2021 [cited by applicant]
US 20220302175A1 · Shin · 2022 [cited by examiner]
US 20230028746A1 · Yang · 2023 [cited by examiner]
US 20230139020A1 · Xiao · 2023 [cited by examiner]
US 20230387139A1 · Lei · 2023 [cited by examiner]
US 20240312965A1 · Ma · 2024 [cited by examiner]
CN 202889784U · 2013 [cited by applicant]
CN 112582442A · 2021 [cited by applicant]