IP Library › Granted Patent US 12,225,783
Granted Patent B2
US 12,225,783 · App. 16/603,436 · Granted Feb 11, 2025

High screen ratio organic light emitting diode display panel

Inventor: Yexi Sun (Hubei, CN)
Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
H10K59/131H10K50/844
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Quick Facts
Patent No.
US 12,225,783
App. No.
16/603,436
Granted
Feb 11, 2025
Kind
B2
Abstract

An organic light-emitting diode display panel includes a display area, a transparent area, and a wire exchange area. The display area is used for displaying an image; the transparent area is used for placing a device, and the wire exchange area is positioned at a wire connecting site between the display area and the transparent area, wherein a metal wire from the display area is electrically connected to a high light-transmissive metal wire through a via-hole at the wire exchange area, and the high light-transmissive metal wire extends to the transparent area.

Claims (31)

1. An organic light-emitting diode display panel comprising:

a display area for displaying images;

a transparent area for placing a device; and

a wire exchange area, positioned at a wire connecting site between the display area and the transparent area;

wherein the wire exchange area comprises a substrate, an inorganic buffer layer, an active semiconductor layer, a third-metal wire, an inorganic insulating layer, a first-high light-transmissive metal wire, a first-metal wire, an organic planarization layer, a second-high light-transmissive metal wire, an organic opening layer, a cathode layer, and an encapsulation layer which are stacked in sequence,

the first metal wire is electrically connected to the second-high light-transmissive metal wire through a first via hole, the third metal wire is electrically connected to the first-high light-transmissive metal wire through a second via hole, and the first-high light-transmissive metal wire and the second-high light-transmissive metal wire extend to the transparent area.

2. The organic light-emitting diode display panel according to claim 1 , wherein the first high light-transmissive metal wire and the second-high light-transmissive metal wire are each composed of at least one of indium gallium zinc oxide (InGaZnO), indium gallium oxide (InGaO), indium tin zinc oxide (ITZO), and aluminum zinc oxide (AlZnO).

3. The organic light-emitting diode display panel according to claim 1 , wherein a film layer structure of the display area comprises the substrate, the inorganic buffer layer, the active semiconductor layer, the inorganic insulating layer, the first-metal wire, a second-metal wire, the third-metal wire, the organic planarization layer, an anode layer, the organic opening layer, a luminescent material layer, the cathode layer, and the encapsulation layer.

4. The organic light-emitting diode display panel according to claim 1 , wherein a film layer structure of the transparent area comprises the substrate, the inorganic buffer layer, the active semiconductor layer, the inorganic insulating layer, the first-high light-transmissive metal wire, the second-high light-transmissive metal wire, the organic planarization layer, the organic opening layer, the cathode layer, and the encapsulation layer.

5. The organic light-emitting diode display panel according to claim 3 , wherein the anode layer and the first-metal wire are electrically connected through a third via-hole.

6. The organic light-emitting diode display panel according to claim 3 , wherein the first-metal wire and the active semiconductor layer are electrically connected through a fourth via-hole.

7. The organic light-emitting diode display panel according to claim 3 , wherein the substrate is composed of polyimide.

8. The organic light-emitting diode display panel according to claim 3 , wherein the organic planarization layer and the organic opening layer are composed of transparent organic materials.

9. An organic light-emitting diode display panel comprising:

a display area for displaying images, a film layer structure of the display area comprises a substrate, an inorganic buffer layer, an active semiconductor layer, an inorganic insulating layer, a first-metal wire, a second-metal wire, a third-metal wire, an organic planarization layer, an anode layer, an organic opening layer, a luminescent material layer, a cathode layer, and an encapsulation layer;

a transparent area for placing a device, a film layer structure of the transparent area comprises the substrate, the inorganic buffer layer, the active semiconductor layer, the inorganic insulating layer, a first-high light-transmissive metal wire, a second-high light-transmissive metal wire, the organic planarization layer, the organic opening layer, the cathode layer, and the encapsulation layer; and

a wire exchange area, positioned at a wire connecting site between the display area and the transparent area, a film layer structure of the wire exchange area comprises the substrate, the inorganic buffer layer, the active semiconductor layer, the inorganic insulating layer, the first-metal wire, the first-high light-transmissive metal wire, the second-high light-transmissive metal wire, the third-metal wire, the organic planarization layer, the organic opening layer, the cathode layer, and the encapsulation layer;

wherein the first metal wire is electrically connected to the second-high light-transmissive metal wire through a first via hole, the third metal wire is electrically connected to the first-high light-transmissive metal wire through a second via hole, and the first-high light-transmissive metal wire and the second-high light-transmissive metal wire extend to the transparent area.

10. The organic light-emitting diode display panel according to claim 9 , wherein the first high light-transmissive metal wire and the second-high light-transmissive metal wire are each composed of at least one of indium gallium zinc oxide (InGaZnO), indium gallium oxide (InGaO), indium tin zinc oxide (ITZO), and aluminum zinc oxide (AlZnO).

11. The organic light-emitting diode display panel according to claim 9 , wherein the anode layer and the first-metal wire are electrically connected through a third via-hole at the display area.

12. The organic light-emitting diode display panel according to claim 9 , wherein the first-metal wire and the active semiconductor layer are electrically connected through a fourth via-hole at the display area.

13. The organic light-emitting diode display panel according to claim 9 , wherein the substrate is composed of polyimide.

14. The organic light-emitting diode display panel according to claim 9 , wherein the organic planarization layer and the organic opening layer are composed of transparent organic materials.

15. An organic light-emitting diode display panel comprising:

a display area for displaying images;

a transparent area for placing a device; and

a wire exchange area, positioned at a wire connecting site between the display area and the transparent area;

the wire exchange area comprises a substrate, an inorganic buffer layer, an active semiconductor layer, a third-metal wire, an inorganic insulating layer, a first-high light-transmissive metal wire, a first-metal wire, an organic planarization layer, a second-high light-transmissive metal wire, an organic opening layer, a cathode layer, and an encapsulation layer which are stacked in sequence;

the first metal wire is electrically connected to the second-high light-transmissive metal wire through a first via hole, the third metal wire is electrically connected to the first-high light-transmissive metal wire through a second via hole, and the first-high light-transmissive metal wire and the second-high light-transmissive metal wire extend to the transparent area;

wherein the first high light-transmissive metal wire and the second-high light-transmissive metal wire are each composed of at least one of indium gallium zinc oxide (InGaZnO), indium gallium oxide (InGaO), indium tin zinc oxide (ITZO), and aluminum zinc oxide (AlZnO); and

wherein a film layer structure of the display area comprises the substrate, the inorganic buffer layer, the active semiconductor layer, the inorganic insulating layer, the first-metal wire, a second-metal wire, the third-metal wire, the organic planarization layer, an anode layer, the organic opening layer, a luminescent material layer, the cathode layer, and the encapsulation layer.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 4, 2019
From: SUN, YEXI
To: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Reel/Frame 050906/0397 →
Priority Claims (1)
CN 201811554942.9 · Dec 18, 2018 · national
Continuity (1)
Related Publication 20220037444A1 · Feb 3, 2022
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