IP Library › Granted Patent US 12,575,182
Granted Patent B2
US 12,575,182 · App. 18/084,118 · Granted Mar 10, 2026

Display apparatus and light-emitting diode module

Inventors: Youngki Jung (Suwon-si, KR); Sangmin Shin (Suwon-si, KR); Kisun Kang (Suwon-si, KR); Donghwan Kim (Suwon-si, KR); Chulgyu Jung (Suwon-si, KR)
Assignee: SAMSUNG ELECTRONICS CO., LTD.
H10D86/60G09G3/32H01L25/167H10D86/441G09G2300/0426H01L24/05H01L24/32H01L24/83H01L2224/05572H01L2224/05573H01L2224/05688H01L2224/32225H01L2224/83851
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Quick Facts
Patent No.
US 12,575,182
App. No.
18/084,118
Granted
Mar 10, 2026
Kind
B2
Abstract

A light-emitting diode (LED) module includes: a glass substrate; a signal wiring layer provided on the glass substrate and including a plurality of electrodes connected by a passive matrix circuit; and a plurality of LEDs connected to the plurality of electrodes and configured to emit light toward the glass substrate, wherein the signal wiring layer further includes a boundary region that divides the LED module into a plurality of unit regions.

Claims (39)

1 . A light-emitting diode (LED) module comprising:

a glass substrate;

a signal wiring layer provided on the glass substrate and comprising a plurality of electrodes connected by a passive matrix circuit; and

a plurality of LEDs connected to the plurality of electrodes and configured to emit light toward the glass substrate,

wherein the signal wiring layer further comprises a boundary region that divides the LED module into a plurality of unit regions,

wherein the signal wiring layer comprises a plurality of electrically opened areas in the boundary region,

wherein the plurality of unit regions are respectively formed by the plurality of electrically opened areas,

wherein the boundary region comprises a lower surface and at least two side surfaces,

wherein the lower surface of the boundary region corresponds to a portion of a upper surface of the signal wiring layer,

wherein a length of a top opening of the boundary region is longer than a length of the lower surface of the boundary region, and

wherein the boundary region is filled with a first insulating layer.

2 . The LED module of claim 1 further comprising an active area and a non-active area excluding the active area,

wherein the plurality of LEDs is provided in the active area.

3 . The LED module of claim 2 further comprising a test pad provided in the non-active area.

4 . The LED module of claim 1 , further comprising a second insulating layer on the glass substrate; and

a film on glass (FOG) electrode corresponding to the plurality of unit regions and provided on the second insulating layer.

5 . A display apparatus comprising:

a light-emitting diode (LED) module comprising a plurality of layer structures;

at least one processor configured to control the LED module; and

a plurality of driver Integrated Circuits (ICs) connected to the at least one processor to transmit a signal to the LED module,

wherein the LED module comprises:

a glass substrate;

a signal wiring layer formed on the glass substrate and comprising a plurality of electrodes connected by a passive matrix circuit; and

a plurality of LEDs connected to the plurality of electrodes and configured to emit light toward the glass substrate, wherein the signal wiring layer comprises a boundary region that divides the LED module into a plurality of unit regions,

wherein the signal wiring layer comprises a plurality of electrically opened areas in the boundary region,

wherein the plurality of unit regions are respectively formed by the plurality of electrically opened areas,

wherein the boundary region comprises a lower surface and at least two side surfaces,

wherein the lower surface of the boundary region corresponds to a portion of a upper surface of the signal wiring layer,

wherein a length of a top opening of the boundary region is longer than a length of the lower surface of the boundary region, and

wherein the boundary region is filled with a first insulating layer.

6 . The display apparatus of claim 5 , wherein at least one driver IC of the plurality of driver ICs is configured to transmit a driving signal to the plurality of unit regions of the LED module.

7 . The display apparatus of claim 5 , wherein the LED module comprises an active area and a non-active area excluding the active area, and

wherein the plurality of LEDs is provided in the active area.

8 . The display apparatus of claim 7 , further comprising a test pad provided in the non-active area.

9 . The display apparatus of claim 5 , further comprising:

a second insulating layer on the glass substrate; and

a film on glass (FOG) electrode corresponding to the plurality of unit regions and the FOG electrode being provided on the second insulating layer.

10 . The display apparatus of claim 9 , wherein at least one of the plurality of driver ICs is configured to connect the at least one processor and the FOG electrode.

11 . The display apparatus of claim 10 , wherein the at least one processor is further configured to control the LED module corresponding to the plurality of unit regions.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 19, 2022
From: JUNG, YOUNGKI; KANG, KISUN; KIM, DONGHWAN; JUNG, CHULGYU
To: SAMSUNG ELECTRONICS CO., LTD.
Reel/Frame 062169/0934 →
Priority Claims (1)
KR 10-2020-0088795 · Jul 17, 2020 · national
Continuity (2)
Continuation PCTKR2021095056 · May 26, 2021
Related Publication 20230122312A1 · Apr 20, 2023
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