Display panels, manufacturing methods thereof, and display devices

1 . A display panel, comprising:

a substrate;

a thin film transistor layer, disposed above the substrate;

an insulation film, disposed above the thin film transistor layer and comprising protrusions each having a protruding direction away from the thin film transistor layer;

a first conductive layer, disposed above the insulation film, and comprising pixel electrodes and auxiliary electrodes insulated from the pixel electrodes;

a light-emitting layer, comprising an organic material and disposed above the first conductive layer;

a functional layer, disposed above the light-emitting layer and comprising through holes; and

a second conductive layer disposed above the functional layer,

wherein the auxiliary electrodes comprise protruding parts correspondingly disposed above the protrusions, a height of each of the protruding parts is higher than a height of each of the pixel electrodes in a vertical direction;

the through holes correspond to the protruding parts of the auxiliary electrodes, respectively; and

the second conductive layer is connected to the protruding parts via the through holes.

2 . The display panel according to claim 1 , wherein the thin film transistor layer further comprises:

a lower conductive layer;

an intermediate conductive layer, disposed above the lower conductive layer; and

an upper conductive layer, disposed above the intermediate conductive layer,

wherein the lower conductive layer, the intermediate conductive layer, and the upper conductive layer are overlapped below the protrusions.

3 . The display panel according to claim 1 , wherein a thickness of a portion of the insulation film corresponding to the protrusions is greater than a thickness of a portion of the insulation film non-corresponding to the protrusions.

4 . The display panel according to claim 1 , wherein the light-emitting layer is a coating film.

5 . The display panel according to claim 1 , wherein a thickness of a portion of the light-emitting layer correspondingly above the protruding parts is less than a thickness of a portion of the light-emitting layer correspondingly above the pixel electrodes.

6 . The display panel according to claim 1 , wherein the display panel comprises a plurality of pixels, each of which comprises a red subpixel, a green subpixel, and a blue subpixel, and the auxiliary electrodes are disposed in an area corresponding to the red subpixel.

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

a plurality of pixels, each of which comprising a red subpixel, a green subpixel, and a blue subpixel;

column dams, separating the red subpixel, the green subpixel, and the blue subpixel; and

row dams, each separating two adjacent red subpixels,

wherein an upper surface of the protruding parts is located above an upper surface of the row dams, and the upper surface of the protruding parts is located below an upper surface of the column dams.

8 . A display device, comprising a display panel, and the display panel comprising:

a substrate;

a thin film transistor layer, disposed above the substrate;

an insulation film, disposed above the thin film transistor layer and comprising protrusions each having a protruding direction away from the thin film transistor layer;

a first conductive layer, disposed above the insulation film, and comprising pixel electrodes and auxiliary electrodes insulated from the pixel electrodes;

a light-emitting layer, comprising an organic material and disposed above the first conductive layer;

a functional layer, disposed above the light-emitting layer and comprising through holes; and

a second conductive layer disposed above the functional layer,

wherein the auxiliary electrodes comprise protruding parts correspondingly disposed above the protrusions, a height of each of the protruding parts is higher than a height of each of the pixel electrodes in a vertical direction;

the through holes correspond to the protruding parts of the auxiliary electrodes, respectively; and

the second conductive layer is connected to the protruding parts via the through holes.

9 . The display device according to claim 8 , wherein the thin film transistor layer further comprises:

a lower conductive layer;

an intermediate conductive layer, disposed above the lower conductive layer; and

an upper conductive layer, disposed above the intermediate conductive layer,

wherein the lower conductive layer, the intermediate conductive layer, and the upper conductive layer are overlapped below the protrusions.

10 . The display device according to claim 8 , wherein a thickness of a portion of the insulation film corresponding to the protrusions is greater than a thickness of a portion of the insulation film non-corresponding to the protrusions.

11 . The display device according to claim 8 , wherein the display panel comprises a plurality of pixels, each of which comprises a red subpixel, a green subpixel, and a blue subpixel, and the auxiliary electrodes are disposed in an area corresponding to the red subpixel.

12 . The display device according to claim 8 , wherein the display panel comprises:

a plurality of pixels, each of which comprising a red subpixel, a green subpixel, and a blue subpixel;

column dams, separating the red subpixel, the green subpixel, and the blue subpixel; and

row dams, each separating two adjacent red subpixels,

wherein an upper surface of the protruding parts is located above an upper surface of the row dams, and the upper surface of the protruding parts is located below an upper surface of the column dams.