IP Library Granted Patent US 12,379,802
Granted Patent B2
US 12,379,802 · App. 18/675,173 · Granted Aug 5, 2025

Touch display panel

Inventors: Hsiao-Lang Lin (Miaoli County, TW); Jui-Jen Yueh (Miaoli County, TW)
Assignee: Red Oak Innovations Limited
G06F3/0412G06F3/0443G06F3/0446G06F3/0448H10K50/822H10K59/1213H10K59/1216H10K59/40G06F2203/04111H10D86/481H10D86/60
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Quick Facts
Patent No.
US 12,379,802
App. No.
18/675,173
Granted
Aug 5, 2025
Kind
B2
Abstract

The electronic device of the disclosure includes a substrate, a spacer, a sensing electrode, a first electrode, a second electrode and a transistor. The spacer is disposed on the substrate. The sensing electrode disposed on the substrate, wherein a portion of the sensing electrode is overlapped with the spacer. The first electrode is disposed on the spacer. The second electrode is disposed on the substrate, wherein the spacer is disposed between the second electrode and the first electrode. The transistor is disposed on the substrate and electrically connected to the second electrode, and the spacer is overlapped with a portion of the transistor.

Claims (35)

1. An electronic device, comprising:

a substrate;

a spacer, disposed on the substrate;

a sensing electrode, disposed on the substrate, wherein a portion of the sensing electrode is overlapped with the spacer;

a first electrode, disposed on the spacer;

a second electrode, disposed on the substrate, wherein the spacer is disposed between the second electrode and the first electrode;

a transistor disposed on the substrate and electrically connected to the second electrode, wherein the spacer is overlapped with a portion of the transistor;

a first insulating layer disposed between the spacer and the second electrode, wherein the first insulating layer has an opening, and the opening exposes a portion of the second electrode; and

an organic light emitting pattern disposed in the opening, wherein the organic light emitting pattern is electrically connected to the second electrode.

2. The electronic device as claimed in claim 1 , wherein the portion of the sensing electrode overlapped with the spacer is a bridge part.

3. The electronic device as claimed in claim 1 , wherein the first electrode has an electrode protruding part corresponding to the spacer.

4. The electronic device as claimed in claim 3 , wherein the electrode protruding part is arc-shaped in a cross-sectional view of the electronic device.

5. The electronic device as claimed in claim 1 , wherein the organic light emitting pattern is rounded.

6. The electronic device as claimed in claim 1 , further comprising an optical layer disposed on the spacer.

7. The electronic device as claimed in claim 6 , wherein the optical layer is a polarizer.

8. The electronic device as claimed in claim 1 , further comprising a second insulating layer disposed on the spacer, wherein the second insulating layer has a curved bottom surface corresponding to the spacer.

9. An electronic device, comprising:

a substrate;

a spacer, disposed on the substrate;

a sensing electrode, disposed on the substrate, wherein a portion of the sensing electrode is overlapped with the spacer;

a first electrode, disposed on the spacer;

a second electrode, disposed on the substrate, wherein the spacer is disposed between the second electrode and the first electrode;

a transistor disposed on the substrate and electrically connected to the second electrode, wherein the spacer is overlapped with a portion of the transistor; and

a third insulating layer disposed on the first electrode, wherein a portion of the sensing electrode is directly disposed on the third insulating layer.

10. The electronic device as claimed in claim 9 , wherein the portion of the sensing electrode overlapped with the spacer is a bridge part.

11. The electronic device as claimed in claim 9 , wherein the first electrode has an electrode protruding part corresponding to the spacer.

12. The electronic device as claimed in claim 11 , wherein the electrode protruding part is arc-shaped in a cross-sectional view of the electronic device.

13. The electronic device as claimed in claim 9 , further comprising a first insulating layer disposed between the spacer and the second electrode.

14. The electronic device as claimed in claim 13 , wherein the first insulating layer has an opening, and the opening exposes a portion of the second electrode.

15. The electronic device as claimed in claim 14 , further comprising an organic light emitting pattern disposed in the opening, wherein the organic light emitting pattern is electrically connected to the second electrode, wherein the organic light emitting pattern is rounded.

16. The electronic device as claimed in claim 9 , further comprising an optical layer disposed on the spacer.

17. The electronic device as claimed in claim 16 , wherein the optical layer is a polarizer.

18. The electronic device as claimed in claim 9 , further comprising a second insulating layer disposed on the spacer, wherein the second insulating layer has a curved bottom surface corresponding to the spacer.

19. The electronic device as claimed in claim 9 , further comprising a fourth insulating layer disposed on the third insulating layer.

20. The electronic device as claimed in claim 19 , wherein the portion of the sensing electrode is disposed between the fourth insulating layer and the third insulating layer.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 18, 2024
From: INNOLUX CORPORATION
To: RED OAK INNOVATIONS LIMITED
Reel/Frame 069206/0903 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 30, 2024
From: LIN, HSIAO-LANG; YUEH, JUI-JEN
To: INNOLUX CORPORATION
Reel/Frame 067558/0724 →
Priority Claims (1)
CN 201610896301.6 · Oct 14, 2016 · national
Continuity (5)
Continuation 18311217 · May 2, 2023
Continuation 17692122 · Mar 10, 2022
Continuation 16846438 · Apr 13, 2020
Continuation 15717959 · Sep 28, 2017
Related Publication 20240315107A1 · Sep 19, 2024
References Cited (2)
US 20150109548A1 · Kim · 2015 [cited by examiner]
US 20160124557A1 · Choi · 2016 [cited by examiner]