IP Library Granted Patent US 11,849,622
Granted Patent B2
US 11,849,622 · App. 17/864,087 · Granted Dec 19, 2023

Electronic device

Inventors: Sungu Kim (Seoul, KR); Kukbin Lim (Seoul, KR); Taekwang Kim (Asan-si, KR)
Assignee: SAMSUNG DISPLAY CO., LTD.
H10K59/40G06F1/1616G06F1/1643G06F3/0446H10K50/865H10K59/131H10K59/38G06F2203/04107
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Quick Facts
Patent No.
US 11,849,622
App. No.
17/864,087
Granted
Dec 19, 2023
Kind
B2
Abstract

An electronic device including a display panel which displays an image, an input sensor on the display panel, and including a first sensing electrode, a second sensing electrode crossing the first sensing electrode, first and second signal lines connected to ends of the first sensing electrode, and a third signal line connected to one end of the second sensing electrode, and a circuit board electrically connected to the input sensor. The circuit board includes a plurality of insulating layers, a first group signal line disposed on the plurality of insulating layers, and one end of which is electrically connected to the first signal line, a second group signal line disposed on the plurality of insulating layers, and one end of which is electrically connected to the second signal line, and an electromagnetic shielding layer disposed on a portion of the second group signal line.

Claims (85)

1. An electronic device comprising:

a display panel including a plurality of light-emitting elements;

an input sensor disposed on the display panel, wherein the input sensor includes a first sensing electrode, a second sensing electrode crossing the first sensing electrode, a first signal line connected to one end of the first sensing electrode, a second signal line connected to another end of the first sensing electrode, and a third signal line connected to one end of the second sensing electrode; and

a circuit board electrically connected to the input sensor,

wherein the circuit board includes:

a plurality of insulating layers;

a first group signal line, at least a portion of which is disposed on the plurality of insulating layers and one end of which is electrically connected to the first signal line;

a second group signal line, at least a portion of which is disposed on the plurality of insulating layers and one end of which is electrically connected to the second signal line; and

an electromagnetic shielding layer disposed on a portion of the second group signal line.

2. The electronic device of claim 1 , wherein

the plurality of insulating layers comprise a first insulating layer, and a second insulating layer disposed on the first insulating layer,

the second insulating layer comprises a plurality of sub-insulating layers, and

the portion of the second group signal line is disposed on an uppermost layer among the plurality of sub-insulating layers.

3. The electronic device of claim 2 , wherein

the first insulating layer comprises:

a first lower sub-insulating layer; and

a first upper sub-insulating layer disposed on the first lower sub-insulating layer,

the second insulating layer comprises:

a second lower sub-insulating layer; and

a second upper sub-insulating layer disposed on the second lower sub-insulating layer, and

the portion of the second group signal line is disposed on the second upper sub-insulating layer.

4. The electronic device of claim 3 , wherein

the second group signal line comprises an outermost signal line disposed on the second upper sub-insulating layer, and

the electromagnetic shielding layer covers the outermost signal line.

5. The electronic device of claim 3 , wherein

the portion of the second group signal line is disposed on the second lower sub-insulating layer, and

another portion of the second group signal line is disposed on the second upper sub-insulating layer.

6. The electronic device of claim 1 , further comprising:

an anti-reflection layer disposed on the input sensor,

wherein the anti-reflection layer comprises:

a division layer in which a plurality of division openings overlapping the plurality of light-emitting elements, respectively, are defined; and

a plurality of color filters disposed corresponding to the plurality of division openings, respectively.

7. The electronic device of claim 6 , further comprising:

a shock absorbing layer disposed on the anti-reflection layer.

8. The electronic device of claim 7 , further comprising:

a window module disposed on the shock absorbing layer,

wherein the window module comprises a window protective layer and a thin film glass substrate.

9. The electronic device of claim 1 , further comprising:

an electronic module disposed below the display panel, wherein the electronic module receives an optical signal,

wherein the display panel comprises a first display region through which an optical signal passes, a second display region adjacent to the first display region, and a peripheral region adjacent to the second display region, and

the electronic module overlaps the first display region.

10. The electronic device of claim 1 , wherein the display panel comprises a first non-folding region, a second non-folding region, and a folding region between the first non-folding region and the second non-folding region.

11. The electronic device of claim 1 , wherein the input sensor and the circuit board are electrically connected to each other by an anisotropic conductive adhesive layer.

12. The electronic device of claim 1 , wherein

the display panel further comprises an encapsulation layer which covers the plurality of light-emitting elements, and

the input sensor is disposed directly on the encapsulation layer.

13. The electronic device of claim 1 , further comprising:

a support layer disposed below the display panel;

a cover layer disposed below the support layer; and

a digitizer disposed below the cover layer.

14. An electronic device comprising:

a display panel including a plurality of light-emitting elements;

an input sensor disposed on the display panel, wherein the input sensor includes a first sensing electrode, a second sensing electrode crossing the first sensing electrode, a first signal line connected to one end of the first sensing electrode, a second signal line connected to another end of the first sensing electrode, and a third signal line connected to one end of the second sensing electrode;

an anti-reflection layer disposed on the input sensor, wherein the anti-reflection layer includes a division layer, in which a plurality of division openings overlapping the plurality of light-emitting elements, respectively, is defined, and a plurality of color filters disposed corresponding to the plurality of division openings, respectively; and

a circuit board electrically connected to the input sensor,

wherein the circuit board includes:

a plurality of insulating layers;

a plurality of group signal lines connected to at least one selected from the first signal line and the second signal line, wherein the plurality of group signal lines includes an outermost signal line disposed on an outermost layer among the plurality of insulating layers; and

an electromagnetic shielding layer disposed on the outermost signal line.

15. The electronic device of claim 14 , wherein the plurality of group signal lines comprise:

a plurality of first sub-group signal lines; and

a plurality of second sub-group signal lines disposed in a layer which is different from a layer in which the plurality of first sub-group signal lines are disposed, wherein the plurality of second sub-group signal lines includes a portion overlapping, on a plane, at least a portion of the plurality of first sub-group signal lines.

16. The electronic device of claim 14 , wherein the electromagnetic shielding layer is disposed directly on the outermost signal line.

17. The electronic device of claim 14 , wherein

the input sensor is disposed directly on the display panel, and

the anti-reflection layer is disposed directly on the input sensor.

18. An electronic device comprising:

a display panel including a plurality of light-emitting elements, a first region having a transmissive region and an element region, and a second region adjacent to the first region;

a window disposed on the display panel;

an electronic module disposed below the first region of the display panel;

a housing disposed below the display panel and the electronic module;

an input sensor disposed between the display panel and the window, wherein the input sensor includes a first sensing electrode, a first signal line connected to one end of the first sensing electrode, and a second signal line connected to another end of the first sensing electrode; and

a circuit board electrically connected to the input sensor,

wherein the circuit board includes:

a plurality of insulating layers;

a plurality of group signal lines connected to at least one selected from the first signal line and the second signal line, wherein the plurality of group signal lines includes an outermost signal line disposed on an uppermost layer among the plurality of insulating layers; and

an electromagnetic shielding layer disposed on the outermost signal line.

19. The electronic device of claim 18 , wherein

the electromagnetic shielding layer covers an entire portion of the outermost signal line, and

the uppermost layer among the plurality of insulating layers is partially in contact with the electromagnetic shielding layer.

20. The electronic device of claim 18 , further comprising:

an anti-reflection layer disposed on the input sensor,

wherein the anti-reflection layer comprises:

a division layer, in which a plurality of division openings overlapping the plurality of light-emitting elements, respectively, is defined; and

a plurality of color filters disposed corresponding to the plurality of division openings, respectively.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 13, 2022
From: KIM, SUNGU; LIM, KUKBIN; KIM, TAEKWANG
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 060499/0139 →
Priority Claims (1)
KR 10-2021-0101456 · Aug 2, 2021 · national
Continuity (1)
Related Publication 20230037126A1 · Feb 2, 2023
Cited By (1)
US 12,265,677