IP Library › Granted Patent US 12,193,303
Granted Patent B2
US 12,193,303 · App. 17/105,909 · Granted Jan 7, 2025

Electronic device and transparent display having the same

Inventors: Ying-Ting Liou (Zhudong Township, TW); Ruo-Lan Chang (New Taipei, TW); Wen-Yu Kuo (Zhudong Township, TW); Wen-Ya Chao (Hsinchu, TW); Wei-Chung Chen (Kaohsiung, TW)
Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
H10K59/353H10K59/1213H10K59/1216H10K59/131H10K59/873
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Quick Facts
Patent No.
US 12,193,303
App. No.
17/105,909
Granted
Jan 7, 2025
Kind
B2
Abstract

An electronic device includes a transparent substrate, a number of pixel structures and a first trace structure. The transparent substrate includes a transparent region and a trace region. Each of the pixel structures has a sub-pixel structure of first color and a sub-pixel structure of second color. The sub-pixel structure of first color has a light emitting element of first color. The sub-pixel structure of second color has a light emitting element of second color. The first trace structure includes a first main trace, a first auxiliary trace and a second auxiliary trace. The first main trace is disposed in the trace region and surrounds a portion of the transparent region. The first auxiliary trace and the second auxiliary trace are electrically connected to the first main trace, and are electrically connected to the corresponding sub-pixel structure of first color and the corresponding sub-pixel structure of second color, respectively.

Claims (38)

1. An electronic device, comprising:

a transparent substrate, comprising a plurality of transparent regions and a trace region, wherein the transparent regions are arranged in an array of more than one column and more than one row;

a plurality of pixel structures, each having at least a sub-pixel structure of first color and a sub-pixel structure of second color, wherein the sub-pixel structure of first color has a light emitting element of first color, the sub-pixel structure of second color has a light emitting element of second color; and

a first trace structure, comprising a first main trace, a first auxiliary trace, and a second auxiliary trace, wherein the first main trace is disposed in the trace region and surrounds at least a portion of at least one of the transparent regions, the first auxiliary trace and the second auxiliary trace are electrically connected to the first main trace and are respectively electrically connected to a corresponding sub-pixel structure of first color and a corresponding sub-pixel structure of second color, wherein the first auxiliary trace and the second auxiliary trace are located on different straight line directions and are not parallel to each other.

2. The electronic device according to claim 1 , wherein the first main trace has an annular structure, the first auxiliary trace and the second auxiliary trace have a segment structure and are located on different straight line directions of the annular structure.

3. The electronic device according to claim 2 , wherein:

each of the plurality of pixel structures further comprises a sub-pixel structure of third color, the sub-pixel structure of third color has a light emitting element of third color; and

the first trace structure further comprises a third auxiliary trace, the third auxiliary trace and the first auxiliary trace are located on different sides of the annular structure, the third auxiliary trace is electrically connected to the first main trace and is electrically connected to a corresponding sub-pixel structure of third color.

4. The electronic device according to claim 1 , wherein the first main trace has a partial annular structure, the first auxiliary trace and the second auxiliary trace have a segment structure and are located on different sides of the partial annular structure.

5. The electronic device according to claim 1 , further comprising:

a data line trace structure and a gate line trace structure, wherein the data line trace structure and the gate line trace structure are disposed in the trace region and surround at least a portion of at least one of the transparent regions;

wherein the data line trace structure extends along a first direction, the gate line trace structure extends along a second direction, the first direction and the second direction are perpendicular to each other.

6. The electronic device according to claim 5 , wherein each of the transparent regions is a circular region, an elliptical region, a triangular region, a hexagonal region or a polygonal region, the first main trace corresponds to a shape of the transparent region and is extended as a circle, an ellipse, a triangle, a hexagon or a polygon, and the data line trace structure and the gate line trace structure respectively extend along a boundary of at least one of the transparent regions.

7. The electronic device according to claim 1 , further comprising:

a second trace structure, comprising a second main trace, a fourth auxiliary trace and a fifth auxiliary trace, wherein the second main trace is disposed in the trace region and surrounds at least a portion of at least one of the transparent regions, the fourth auxiliary trace and the fifth auxiliary trace are electrically connected to the second main trace and are respectively electrically connected to the sub-pixel structure of first color and the sub-pixel structure of second color;

wherein a projection of the first main trace of the first trace structure and a projection of the second main trace of the second trace structure are not overlapped or are partly overlapped.

8. The electronic device according to claim 7 , wherein the first trace structure is one of a first level potential power line trace structure, a second level potential power line trace structure and a compensation setting trace structure, the second trace structure is another one of the first level potential power line trace structure, the second level potential power line trace structure and the compensation setting trace structure.

9. The electronic device according to claim 7 , further comprising:

a first contact electrode disposed on a protection layer and electrically connected to the light emitting element of the first color or the second color; and

a transistor electrically connected to one of the first trace structure and the second trace structure, wherein the transistor is further electrically connected to the first contact electrode.

10. The electronic device according to claim 1 , wherein the light emitting element of first color and the light emitting element of second color comprise a light-emitting diode (LED), a mini light-emitting diode (mini LED), an organic light-emitting diode (OLED) or a micro light-emitting diode (micro LED).

11. A transparent display, comprising:

an electronic device, comprising:

a transparent substrate, comprising a plurality of transparent regions and a trace region, wherein the transparent regions are arranged in an array of more than one column and more than one row;

a plurality of pixel structures, each having at least a sub-pixel structure of first color and a sub-pixel structure of second color, wherein the sub-pixel structure of first color has a light emitting element of first color, the sub-pixel structure of second color has a light emitting element of second color; and

a first trace structure, comprising a first main trace, a first auxiliary trace, and a second auxiliary trace, wherein the first main trace is disposed in the trace region and surrounds at least a portion of at least one of the transparent regions, the first auxiliary trace and the second auxiliary trace are electrically connected to the first main trace and are respectively electrically connected to a corresponding sub-pixel structure of first color and a corresponding sub-pixel structure of second color, wherein the first auxiliary trace and the second auxiliary trace are located on different straight line directions and are not parallel to each other.

12. The transparent display according to claim 11 , wherein the first main trace has an annular structure, the first auxiliary trace and the second auxiliary trace have a segment structure and are located on different straight line directions of the annular structure.

13. The transparent display according to claim 12 , wherein:

each of the plurality of pixel structures further comprises a sub-pixel structure of third color, the sub-pixel structure of third color has a light emitting element of third color; and

the first trace structure further comprises a third auxiliary trace, the third auxiliary trace and the first auxiliary trace are located on different sides of the annular structure, the third auxiliary trace is electrically connected to the first main trace and is electrically connected to a corresponding sub-pixel structure of third color.

14. The transparent display according to claim 11 , wherein the first main trace has a partial annular structure, the first auxiliary trace and the second auxiliary trace have a segment structure and are located on different sides of the partial annular structure.

15. The transparent display according to claim 11 , further comprising:

a data line trace structure and a gate line trace structure, wherein the data line trace structure and the gate line trace structure are disposed in the trace region and surround at least a portion of each of the transparent regions;

wherein the data line trace structure extends along a first direction, the gate line trace structure extends along a second direction, the first direction and the second direction are perpendicular to each other.

16. The transparent display according to claim 15 , wherein at least one of the transparent regions is a circular region, an elliptical region, a triangular region, a hexagonal region or a polygonal region, the first main trace corresponds to a shape of the transparent region and is extended as a circle, an ellipse, a triangle, a hexagon or a polygon, and the data line trace structure and the gate line trace structure respectively extend along a boundary of at least one of the transparent regions.

17. The transparent display according to claim 11 , further comprising:

a second trace structure, comprising a second main trace, a fourth auxiliary trace and a fifth auxiliary trace, wherein the second main trace is disposed in the trace region and surrounds at least a portion of at least one of the transparent regions, the fourth auxiliary trace and the fifth auxiliary trace are electrically connected to the second main trace and are respectively electrically connected to the sub-pixel structure of first color and the sub-pixel structure of second color;

wherein a projection of the first main trace of the first trace structure and a projection of the second main trace of the second trace structure are not overlapped or are partly overlapped.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 4, 2021
From: LIOU, YING-TING; CHANG, RUO-LAN; KUO, WEN-YU; CHAO, WEN-YA; CHEN, WEI-CHUNG
To: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
Reel/Frame 055496/0449 →
Priority Claims (1)
TW 109141180 · Nov 24, 2020 · national
Continuity (1)
Related Publication 20220165808A1 · May 26, 2022
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