IP Library Granted Patent US 10,705,633
Granted Patent B2
US 10,705,633 · App. 15/464,868 · Granted Jul 7, 2020

Display panel

Inventor: Tsung-Tien Wu (Hsin-Chu, TW)
Assignee: AU OPTRONICS CORPORATION
G06F3/0412G06F3/044G09G3/32G09G2310/08G09G2354/00H01L25/167H01L27/124H01L27/323
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Quick Facts
Patent No.
US 10,705,633
App. No.
15/464,868
Granted
Jul 7, 2020
Kind
B2
Abstract

The present disclosure provides a display panel, which includes a first light-emitting unit, a first electrode line A, a second light-emitting unit, a second electrode line A, and a first electrode line B. The first light-emitting unit includes a first electrode A and a first electrode B located at both ends of the first light-emitting unit respectively. The first electrode line A is connected to the first electrode A. The second light-emitting unit is located on a first side of the first light-emitting unit and includes a second electrode A and a second electrode B located at both ends of the second light-emitting unit respectively. The second electrode line A is connected to the second electrode A, and the second electrode line A and the first electrode line A are independent in terms of signal. The first electrode line B is arranged between the first light-emitting unit and the second light-emitting unit and connected to the first electrode B and the second electrode B respectively.

Claims (49)

1. A display panel, comprising:

a first light-emitting unit, comprising a first electrode A and a first electrode B located at both ends of the first light-emitting unit respectively;

a first electrode line A, electrically connected to the first electrode A;

a second light-emitting unit, comprising a second electrode A and a second electrode B located at both ends of the second light-emitting unit respectively, wherein the first electrode B is closer to the second light-emitting unit than the first electrode A is, and the second electrode B is closer to the first light-emitting unit than the second electrode A is;

a third light-emitting unit, located on a second side of the first light-emitting unit, and the second side substantially perpendicular to the first side, and comprising a third electrode A and a third electrode B located at both ends of the third light-emitting unit respectively;

a fourth light-emitting unit, located on a side of the third light-emitting unit, and connected to the second light-emitting unit, the fourth light-emitting unit comprising a fourth electrode A and a fourth electrode B located at both ends of the fourth light-emitting unit respectively, wherein the third electrode B is closer to the fourth light-emitting unit than the third electrode A is, and the fourth electrode B is closer to the third light-emitting unit than the fourth electrode A is;

a first electrode line B, arranged between the first light-emitting unit and the second light-emitting unit, between the third light-emitting unit and the fourth light-emitting unit, extending from between the first light-emitting unit and the second light-emitting unit to between the third light-emitting unit and the fourth light-emitting unit, and connecting to the first electrode B, the second electrode B, the third electrode B, and the fourth electrode B respectively; and

a connecting line extending between the first light-emitting unit and the third light-emitting unit and between the second light-emitting unit and the fourth light-emitting unit, wherein the first electrode line B crosses over the connecting line, and is electrically connected to the connecting line;

wherein in a display stage, the connecting line controls grayscales of the first light-emitting unit, the second light-emitting unit, the third light-emitting unit, and the fourth light-emitting unit, and in a touch control stage, the connecting line as a first touch control electrode is adapted to generate touch sensing signal.

2. The display panel according to claim 1 , wherein a disposition of the first electrode A and the first electrode B and a disposition of the second electrode A and the second electrode B are distributed in mirror symmetry with the first electrode line B as a central axis, and a disposition of the third electrode A and the third electrode B and a disposition of the fourth electrode A and the fourth electrode B are distributed in mirror symmetry with the first electrode line B as the central axis.

3. The display panel according to claim 1 , further comprising:

a second touch control electrode, comprising:

a main line, substantially arranged parallel along the second light-emitting unit extending to the fourth light-emitting unit;

a side line, connected to the main line, and substantially perpendicular to the main line; and

a branch line, connected to the side line, and substantially parallel to the main line;

wherein the first touch control electrode and the second touch control electrode generate a touch sensing signal.

4. The display panel according to claim 3 , wherein the first touch control electrode and the second touch control electrode are formed in a same layer.

5. The display panel according to claim 3 , wherein the first electrode line B has a slit extending along the first side between the first light-emitting unit and the second light-emitting unit, and the branch line is branched from the side line and enters the slit.

6. The display panel according to claim 1 , wherein the first electrode line B receives a control signal from the connecting line, the first electrode line A receives an image control pulse signal, and the control signal and the image control pulse signal have a time difference.

7. The display panel according to claim 6 , wherein the image control pulse signal is obtained by combining an image control basis signal and a compensation pulse signal, and the compensation pulse signal corresponds to time series of a sensing scanning pulse signal.

8. The display panel according to claim 1 , wherein the first light-emitting unit and the second light-emitting unit respectively comprise:

a first type semiconductor layer;

a second type semiconductor layer, disposed on a first-type semiconductor layer;

an active layer, disposed between the first type semiconductor layer and the second type semiconductor layer; and

wherein the first electrode A and the second electrode A are disposed on the second type semiconductor layer respectively, and the first electrode B and the second electrode B are disposed on the first type semiconductor layer respectively.

9. A display panel, comprising:

a first light-emitting unit, comprising a first electrode A and a first electrode B;

a second light-emitting unit, comprising a second electrode A and a second electrode B;

a third light-emitting unit, comprising a third electrode A and a third electrode B;

a fourth light-emitting unit, comprising a fourth electrode A and a fourth electrode B;

a first electrode line A, electrically connected to the first electrode A;

a first electrode line B, arranged between the first light-emitting unit and the second light-emitting unit, between the third light-emitting unit and the fourth light-emitting unit, extending from between the first light-emitting unit and the second light-emitting unit to between the third light-emitting unit and the fourth light-emitting unit, and connecting to the first electrode B, the second electrode B, the third electrode B, and the fourth electrode B respectively; and

a connecting line extending between the first light-emitting unit and the third light-emitting unit and between the second light-emitting unit and the fourth light-emitting unit, wherein the first electrode line B crosses over the connecting line, and is electrically connected to the connecting line;

wherein in a display stage, the connecting line controls grayscales of the first light-emitting unit, the second light-emitting unit, the third light-emitting unit, and the fourth light-emitting unit, and in a touch control stage, the connecting line as a first touch control electrode is adapted to generate touch sensing signal.

10. The display panel according to claim 9 , further comprising:

a second touch control electrode, comprising:

a main line, substantially arranged parallel along the second light-emitting unit extending to the fourth light-emitting unit;

a side line, connected to the main line, and substantially perpendicular to the main line; and

a branch line, connected to the side line, and substantially parallel to the main line;

wherein the first touch control electrode and the second touch control electrode generate a touch sensing signal.

11. The display panel according to claim 10 , wherein the first touch control electrode and the second touch control electrode are formed in a same layer.

12. The display panel according to claim 10 , wherein the first electrode line B has a slit extending along the first side between the first light-emitting unit and the second light-emitting unit, and the branch line is branched from the side line and enters the slit.

13. The display panel according to claim 9 , wherein the first electrode line B receives a control signal from the connecting line, the first electrode line A receives an image control pulse signal, and the control signal and the image control pulse signal have a time difference.

14. The display panel according to claim 13 , wherein the image control pulse signal is obtained by combining an image control basis signal and a compensation pulse signal, and the compensation pulse signal corresponds to time series of a sensing scanning pulse signal.

15. The display panel according to claim 9 , wherein the first light-emitting unit and the second light-emitting unit respectively comprise:

a first type semiconductor layer;

a second type semiconductor layer, disposed on a first-type semiconductor layer;

an active layer, disposed between the first type semiconductor layer and the second type semiconductor layer; and

wherein the first electrode A and the second electrode A are connected to the second type semiconductor layer respectively, and the first electrode B and the second electrode B are connected to the first type semiconductor layer respectively.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 21, 2017
From: WU, TSUNG-TIEN
To: AU OPTRONICS CORPORATION
Reel/Frame 041664/0341 →
Priority Claims (1)
TW 105108841 A · Mar 22, 2016 · national
Continuity (1)
Related Publication 20170277315A1 · Sep 28, 2017
Cited By (1)
US 12,593,723