KR-20260062195-A - Display panel and electric device having the same

Abstract

The present invention discloses a display panel and an electronic device. The present invention comprises a substrate, an uneven layer disposed on the substrate, and a transistor comprising a gate electrode disposed on the uneven layer and a semiconductor layer, wherein at least one surface of at least a portion of the uneven layer and at least one surface of at least a portion of the semiconductor layer are provided with unevenness.

Inventors

• 손세완
• 조혜리
• 강현일
• 박경혜
• 석기환
• 안진성
• 우민우
• 이승현
• 이왕우
• 이지선

Assignees

• 삼성디스플레이 주식회사

Dates

Publication Date

20260507

Application Date

20241025

Claims (20)

1. Substrate; An uneven layer disposed on the above substrate; A transistor comprising a gate electrode and a semiconductor layer disposed on the above-mentioned uneven layer; A display panel having at least one surface of at least a portion of the above-mentioned uneven layer and at least one surface of at least a portion of the above-mentioned semiconductor layer.
2. In Article 1, The above transistor is a driving transistor for the display panel.
3. In Article 1, A display panel having an uneven surface formed on at least one side of at least a portion of the semiconductor layer, which overlaps with the gate electrode.
4. In Article 1, The semiconductor layer has a first surface facing the gate electrode and a second surface opposite to the first surface, and The first surface and the second surface are a display panel in the shape of a serpentine.
5. In Article 1, The above-mentioned uneven layer is a display panel electrically connected to the source region of the semiconductor layer.
6. In Article 5, The above uneven surface layer is a display panel directly connected to the source region of the semiconductor layer.
7. In Article 1, A display panel in which the channel region of the semiconductor layer is disposed within the planar shape of the uneven surface layer on a flat surface.
8. In Article 1, The above-mentioned uneven layer is a display panel comprising polysilicon.
9. In Article 1, The above semiconductor layer is an oxide semiconductor layer, which is a display panel.
10. In Article 1, The above-mentioned uneven layer comprises at least a portion of an inorganic insulating layer disposed between the substrate and the semiconductor layer, forming a display panel.
11. Display panel; and A lower cover having an opening that forms an exterior and exposes a portion of the display panel; comprising, The above display panel is, Substrate; An uneven layer disposed on the above substrate; and A transistor comprising a gate electrode and a semiconductor layer disposed on the above-mentioned uneven layer; and An electronic device having at least one surface of at least a portion of the above-mentioned uneven layer and at least one surface of at least a portion of the above-mentioned semiconductor layer having unevenness.
12. In Article 11, The above transistor is an electronic device that is a driving transistor.
13. In Article 11, An electronic device in which an irregularity is formed on at least one surface of at least a portion of the semiconductor layer, and the portion overlaps with the gate electrode.
14. In Article 11, The semiconductor layer has a first surface facing the gate electrode and a second surface opposite to the first surface, and The above first surface and the above second surface are in the form of a serpentine electronic device.
15. In Article 11, The above uneven surface layer is an electronic device electrically connected to the source region of the semiconductor layer.
16. In Article 15, The above uneven surface layer is an electronic device directly connected to the source region of the semiconductor layer.
17. In Article 11, An electronic device in which the channel region of the semiconductor layer is disposed within the planar shape of the uneven surface layer on a plane.
18. In Article 11, The above uneven layer is an electronic device comprising polysilicon.
19. In Article 11, The above semiconductor layer is an oxide semiconductor layer in an electronic device.
20. In Article 11, The above-mentioned uneven layer comprises at least a portion of an inorganic insulating layer disposed between the substrate and the semiconductor layer in an electronic device.

Description

Display panel and electronic device having the same Embodiments of the present invention relate to devices, and more specifically to display panels and electronic devices. Mobile-based electronic devices are being widely used. In addition to small electronic devices such as mobile phones, tablet PCs have recently become widely used as mobile electronic devices. Such portable electronic devices include a display panel to support various functions and to provide visual information, such as images or videos, to the user. Recently, as other components for driving the display panel have become miniaturized, the proportion of the display panel in electronic devices is gradually increasing, and structures capable of bending from a flat state to a predetermined angle are also being developed. FIG. 1 is a perspective view schematically illustrating an electronic device according to one embodiment of the present invention. FIG. 2 is an exploded perspective view schematically illustrating the electronic device of FIG. 1. Figure 3 is a block diagram schematically illustrating the electronic device of Figure 1. FIG. 4 is a plan view schematically illustrating a display panel according to one embodiment of the present invention. FIG. 5 is a side view schematically illustrating the display panel of FIG. 4. FIG. 6 is a plan view schematically illustrating the display panel of FIG. 4. Figure 7 is an equivalent circuit diagram of a pixel placed in the display area of the display panel of Figure 6. FIG. 8 is a schematic diagram illustrating the locations of transistors and capacitors, etc., in pixels arranged in the display area of the display panel of FIG. 6. FIG. 9 is a schematic layout diagram illustrating the positions of the first transistor, the second connecting electrode, and the uneven area in the pixels arranged in the display area of the display panel of FIG. 8. FIG. 10 is a cross-sectional view schematically illustrating a cross section taken along the line B-B' of FIG. 6. Figure 11 is a cross-sectional view showing an enlarged view of section F of Figure 10. FIG. 12a is a cross-sectional view schematically illustrating a part of the display area of a display panel according to one embodiment of the present invention. FIG. 12b is a cross-sectional view schematically illustrating a portion of the display area of a display panel according to one embodiment of the present invention. FIG. 13a is a cross-sectional view schematically illustrating a portion of the display area of a display panel according to one embodiment of the present invention. FIG. 13b is a cross-sectional view schematically illustrating a part of the display area of a display panel according to one embodiment of the present invention. FIG. 14a is a cross-sectional view schematically illustrating a part of the display area of a display panel according to one embodiment of the present invention. FIG. 14b is a cross-sectional view schematically illustrating a part of the display area of a display panel according to one embodiment of the present invention. FIG. 15a is a cross-sectional view schematically illustrating a portion of the display area of a display panel according to one embodiment of the present invention. FIG. 15b is a cross-sectional view schematically illustrating a portion of the display area of a display panel according to one embodiment of the present invention. FIG. 16a is a cross-sectional view schematically illustrating a portion of the display area of a display panel according to one embodiment of the present invention. FIG. 16b is a cross-sectional view schematically illustrating a portion of the display area of a display panel according to one embodiment of the present invention. FIG. 17a is a cross-sectional view schematically illustrating a part of the display area of a display panel according to one embodiment of the present invention. FIG. 17b is a cross-sectional view schematically illustrating a part of the display area of a display panel according to one embodiment of the present invention. FIG. 18a is a cross-sectional view schematically illustrating a portion of the display area of a display panel according to one embodiment of the present invention. FIG. 18b is a cross-sectional view schematically illustrating a portion of the display area of a display panel according to one embodiment of the present invention. FIG. 19a is a cross-sectional view schematically illustrating a portion of the display area of a display panel according to one embodiment of the present invention. FIG. 19b is a cross-sectional view schematically illustrating a portion of the display area of a display panel according to one embodiment of the present invention. FIG. 20 is a plan view schematically showing an uneven layer disposed in a display area of a display panel according to one embodiment of the present invention. FIGS. 21 to 28 are cross-sectional views schematically illustrating a portion of the display area of a display panel according t