IP Library › Granted Patent US 11,048,371
Granted Patent B2
US 11,048,371 · App. 16/705,239 · Granted Jun 29, 2021

Organic light emitting display panel and display device

Inventors: Guofeng Zhang (Wuhan, CN); Zhaokeng Cao (Shanghai, CN); Linshan Guo (Wuhan, CN); Tianqing Hu (Shanghai, CN)
Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
G06F3/047G06F3/0443H01L27/323H01L27/3276H01L51/5253G06F3/0412G06F3/0446G06F2203/04111G06F2203/04112
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Quick Facts
Patent No.
US 11,048,371
App. No.
16/705,239
Granted
Jun 29, 2021
Kind
B2
Abstract

An organic light emitting display panel and a display device are provided. The organic light emitting display panel includes: a driving device film layer, a light emitting device film layer, an encapsulation film layer and a touch film layer that are sequentially stacked; the touch film layer includes a touch cross bridge metal layer, a touch insulation layer and a touch electrode metal layer that are sequentially stacked; the organic light emitting display panel includes a display region, and the display region includes an edge display region and a non-edge display region, and the edge display region includes a profiled edge display region; at least one of the cross bridge metal layer and the touch electrode metal layer includes a dummy metal wire and a signal metal wire. The dummy metal wire is located in the profiled edge display region.

Claims (38)

1. An organic light emitting display panel, comprising:

a driving device film layer, a light emitting device film layer, an encapsulation film layer and a touch film layer that are sequentially stacked;

wherein the touch film layer comprises a bridging metal layer, a touch insulation layer and a touch electrode metal layer that are sequentially stacked;

the organic light emitting display panel has a display region, the display region comprises an edge display region and a non-edge display region, and the edge display region comprises a profiled edge display region; and

at least one of the bridging metal layer and the touch electrode metal layer comprises a plurality of dummy metal wires and a signal metal wire, the plurality of dummy metal wires being located in the profiled edge display region.

2. The organic light emitting display panel according to claim 1 , wherein

the signal metal wire is provided in the non-edge display region and no dummy metal wire is provided in the non-edge display region.

3. The organic light emitting display panel according to claim 1 , wherein

the signal metal wire and the plurality of dummy metal wires are provided in the non-edge display region, and a distribution density of the plurality of dummy metal wires in the profiled edge display region is greater than a distribution density of the plurality of dummy metal wires in the non-edge display region.

4. The organic light emitting display panel according to claim 1 , wherein

a wire width of the signal metal wire in the profiled edge display region is greater than or equal to a wire width of the signal metal wire in the non-edge display region.

5. The organic light emitting display panel according to claim 4 , wherein

the wire width of the signal metal wire in the profiled edge display region is greater than the wire width of the signal metal wire in the non-edge display region.

6. The organic light emitting display panel according to claim 1 , wherein

the edge display region further comprises a straight edge display region in which the signal metal wire and at least one of the plurality of dummy metal wires is provided, and a distribution density of the at least one the plurality of dummy metal wires in the profiled edge display region is greater than a distribution density of the at least one of the plurality of dummy metal wires in the straight edge display region.

7. The organic light emitting display panel according to claim 1 , wherein

the edge display region is an annular region surrounding the non-edge display region, the annular region has a width of 10 mm, and a portion of the display region other than the non-edge display region is the edge display region.

8. The organic light emitting display panel according to claim 1 , wherein

a wire width of the signal metal wire in the profiled edge display region is r1, wherein 1.5 μm≤r1≤6 μm.

9. The organic light emitting display panel according to claim 1 , wherein

in the profiled edge display region, the organic light emitting display panel comprises a plurality of signal metal wires, the at least one of the plurality of dummy metal wires corresponds to each of the plurality of signal metal wires, and a distance between each of the plurality of signal metal wires and a respective one of the at least one of the plurality of dummy metal wires is p, where 3 μm≤p≤100 μm.

10. The organic light emitting display panel according to claim 1 , wherein

the at least one of the plurality of dummy metal wires and the signal metal wire have same shapes.

11. The organic light emitting display panel according to claim 1 , wherein

the touch electrode metal layer is located on a side of the bridging metal layer facing away from the encapsulation film layer.

12. The organic light emitting display panel according to claim 1 , wherein

the encapsulation film layer comprises an organic material layer.

13. The organic light emitting display panel according to claim 1 , wherein

the organic light emitting display panel is of a rounded rectangle comprising a straight edge and an arc edge, and a region close to the arc edge is the profiled edge display region.

14. The organic light emitting display panel according to claim 1 , wherein

the organic light emitting display panel comprises a straight edge and a cutout recessing from the straight edge towards a middle portion of the organic light emitting display panel, the organic light emitting display panel comprises a profiled edge at the cutout, and a part of the display region close to the profiled edge is the profiled edge display region.

15. The organic light emitting display panel according to claim 1 , wherein

the organic light emitting display panel comprises a cutout surrounded by the display region, the organic light emitting display panel comprises a profiled edge at the cutout, and a part of the display region close to the profiled edge is the profiled edge display region.

16. A display device comprising an organic light emitting display panel, the organic light emitting display panel comprising:

a driving device film layer, a light emitting device film layer, an encapsulation film layer and a touch film layer that are sequentially stacked;

wherein the touch film layer comprises a bridging metal layer, a touch insulation layer and a touch electrode metal layer that are sequentially stacked;

the organic light emitting display panel has a display region, the display region comprises an edge display region and a non-edge display region, and the edge display region comprises a profiled edge display region; and

at least one of the bridging metal layer and the touch electrode metal layer comprises a plurality of dummy metal wires and a signal metal wire, the plurality of the dummy metal wires being located in the profiled edge display region.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 6, 2019
From: ZHANG, GUOFENG; CAO, ZHAOKENG; GUO, LINSHAN; HU, TIANQING
To: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
Reel/Frame 051197/0289 →
Priority Claims (1)
CN 201910280961.5 · Apr 9, 2019 · national
Continuity (1)
Related Publication 20200110490A1 · Apr 9, 2020