IP Library Granted Patent US 10,854,566
Granted Patent B2
US 10,854,566 · App. 16/561,546 · Granted Dec 1, 2020

Pre-conductive array disposed on target circuit substrate and conductive structure array thereof

Inventor: Hsien-Te Chen (Taipei, TW)
Assignee: Ultra Display Technology Corp.
H01L24/17H01L24/09H01L33/62H01L2924/15311
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Quick Facts
Patent No.
US 10,854,566
App. No.
16/561,546
Granted
Dec 1, 2020
Kind
B2
Abstract

A pre-conductive array disposed on a target circuit substrate comprises a plurality of conductive electrode groups disposed on the target circuit substrate, and at least a conductive particle dispose on each of conductive electrodes of a part or all of the conductive electrode groups. The at least a conductive particle and the corresponding conductive electrode form a pre-conductive structure, and the pre-conductive structures form the pre-conductive array.

Claims (34)

1. A pre-conductive array disposed on a target circuit substrate, comprising:

a plurality of conductive electrode groups disposed on the target circuit substrate, wherein a first distance is provided between every two of the conductive electrode groups, and each of the conductive electrode groups comprises at least a pair of conductive electrodes;

at least a layer comprising a protrusion pattern above the conductive electrodes; and

at least a conductive particle disposed on each of the conductive electrodes of a part or all of the conductive electrode groups, and limited by the protrusion pattern inside or above the protrusion pattern;

wherein the conductive particle and the corresponding pair of the conductive electrodes form a pre-conductive structure, and the pre-conductive structures form the pre-conductive array;

wherein a first density is defined to represent a number of the conductive particles within a unit area of each of the pre-conductive structures, a second density is defined to represent a number of the conductive particles within a unit area between two of the pre-conductive structures, and the first density is greater than the second density.

2. The pre-conductive array according to claim 1 , wherein:

each of the conductive electrode groups comprises multiple pairs of conductive electrodes, a second distance is provided between adjacent two pairs of the conductive electrodes, and a third distance is provided between two of the conductive electrodes of each pair.

3. The pre-conductive array according to claim 1 , wherein:

a third distance is provided between two of the conductive electrodes of each pair.

4. The pre-conductive array according to claim 1 , wherein:

each of the pre-conductive structures comprises a plurality of conductive particles, and the conductive particles form at least a pre-conductive path.

5. The pre-conductive array according to claim 1 , wherein the layer comprises at least a contact layer, no contact layer is between two adjacent structures of the pre-conductive structures.

6. The pre-conductive array according to claim 1 , wherein the layer comprises at least a contact layer, no contact layer is between any two of the pre-conductive structures.

7. The pre-conductive array according to claim 1 , wherein the layer comprises at least a contact layer, no contact layer is between the conductive electrodes of one of the pre-conductive structures.

8. The pre-conductive array according to claim 1 , wherein the layer comprises:

a first contact layer comprising the protrusion pattern; and

a second contact layer covering the first contact layer.

9. The pre-conductive array according to claim 8 , wherein the first contact layer and the second contact layer have a corresponding pattern shape.

10. A pre-conductive array disposed on a target circuit substrate, comprising:

a plurality of conductive electrode groups disposed on the target circuit substrate, wherein a first distance is provided between every two of the conductive electrode groups, and each of the conductive electrode groups comprises a conductive electrode;

at least a layer comprising a protrusion pattern above the conductive electrodes; and

at least a conductive particle disposed on each of the conductive electrodes of a part or all of the conductive electrode groups, and limited by the protrusion pattern inside or above the protrusion pattern;

wherein the conductive particle and the corresponding conductive electrode form a pre-conductive structure, and the pre-conductive structures form the pre-conductive array;

wherein a first density is defined to represent a number of the conductive particles within a unit area of each of the pre-conductive structures, a second density is defined to represent a number of the conductive particles within a unit area between two of the pre-conductive structures, and the first density is greater than the second density.

11. The pre-conductive array according to claim 10 , wherein:

each of the pre-conductive structures comprises a plurality of conductive particles, and the conductive particles form at least a pre-conductive path.

12. The pre-conductive array according to claim 10 , wherein the layer comprises at least a contact layer, no contact layer is between two adjacent structures of the pre-conductive structures.

13. The pre-conductive array according to claim 10 , wherein the layer comprises at least a contact layer, no contact layer is between any two of the pre-conductive structures.

14. The pre-conductive array according to claim 10 , wherein the layer comprises at least a contact layer, no contact layer is between the conductive electrodes of one of the pre-conductive structures.

15. The pre-conductive array according to claim 10 , wherein the layer comprises:

a first contact layer comprising the protrusion pattern; and

a second contact layer covering the first contact layer.

16. The pre-conductive array according to claim 15 , wherein the first contact layer and the second contact layer have a corresponding pattern shape.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 12, 2023
From: ULTRA DISPLAY TECHNOLOGY CORP.
To: LG DISPLAY CO., LTD.
Reel/Frame 064222/0581 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 9, 2019
From: CHEN, HSIEN-TE
To: ULTRA DISPLAY TECHNOLOGY CORP.
Reel/Frame 050310/0353 →
Priority Claims (1)
TW 106132805 A · Sep 25, 2017 · national
Continuity (2)
Continuation In Part 16137197 · Sep 20, 2018
Related Publication 20190393179A1 · Dec 26, 2019