CN-122003025-A - Display panel and electronic device

Abstract

The present disclosure relates to a display panel and an electronic device. The display panel includes a substrate, a plurality of pixel electrodes disposed on the substrate and each having an isolated shape, a pixel defining layer covering an edge of each of the plurality of pixel electrodes and defining a plurality of openings through which a plurality of central portions of the plurality of pixel electrodes are exposed, a common electrode integrally formed as a single indivisible body and disposed above the pixel defining layer and the pixel electrodes, a first inorganic encapsulation layer disposed on the common electrode, a bank layer disposed on the first inorganic encapsulation layer and defining a plurality of opening portions respectively corresponding to the plurality of openings, a plurality of polymer lenses disposed in the plurality of opening portions, wherein each of the plurality of polymer lenses has a refractive index higher than that of the bank layer and an upper surface of each of the plurality of polymer lenses has a lens shape, and a second inorganic encapsulation layer covering the bank layer and the plurality of polymer lenses.

Inventors

• JIANG ZHENQIU
• GUO DONGXUN
• Li Duoying

Assignees

• 三星显示有限公司

Dates

Publication Date

20260508

Application Date

20250916

Priority Date

20241101

Claims (20)

1. 1. A display panel, wherein the display panel comprises: A substrate; a plurality of pixel electrodes disposed on the substrate, wherein each of the plurality of pixel electrodes has an isolated shape; A pixel defining layer covering an edge of each of the plurality of pixel electrodes, wherein a plurality of openings are defined in the pixel defining layer, and a plurality of center portions of the plurality of pixel electrodes are exposed through the plurality of openings; A common electrode disposed above the pixel defining layer and the plurality of pixel electrodes and integrally formed as a single indivisible body; the first inorganic packaging layer is arranged on the public electrode; a bank layer disposed on the first inorganic encapsulation layer, wherein a plurality of opening portions respectively corresponding to the plurality of openings are defined in the bank layer; A plurality of polymer lenses arranged in the plurality of opening portions, wherein each of the plurality of polymer lenses has a refractive index higher than that of the bank layer and an upper surface of each of the plurality of polymer lenses has a lens shape, and And a second inorganic encapsulation layer covering the bank layer and the plurality of polymer lenses.
2. 2. The display panel according to claim 1, wherein an area of each of the plurality of opening portions in an upper surface of the bank layer is larger than an area of a corresponding one of the plurality of openings in a lower surface of the pixel defining layer.
3. 3. The display panel according to claim 1, wherein each of the plurality of opening portions has a larger area at an upper surface of the bank layer than at a lower surface of the bank layer.
4. 4. The display panel of claim 1, wherein the second inorganic encapsulation layer has a refractive index greater than the refractive index of the plurality of polymer lenses.
5. 5. The display panel of claim 1, further comprising a black matrix disposed on the second inorganic encapsulation layer and above the bank layer.
6. 6. The display panel according to claim 5, wherein the black matrix is located outside the plurality of opening portions and the plurality of openings when viewed from a direction perpendicular to the substrate.
7. 7. The display panel of claim 1, wherein the display panel further comprises a touch screen electrode disposed on the second inorganic encapsulation layer and above the bank layer.
8. 8. The display panel according to claim 7, wherein the touch screen electrode is located outside the plurality of opening portions and the plurality of openings when viewed from a direction perpendicular to the substrate.
9. 9. The display panel of claim 1, wherein the plurality of pixel electrodes comprises a first color pixel electrode, a second color pixel electrode, and a third color pixel electrode, and One of the plurality of polymer lenses corresponding to the first color pixel electrode has a refractive index greater than that of two of the plurality of polymer lenses corresponding to the second color pixel electrode and the third color pixel electrode, respectively.
10. 10. The display panel of claim 1, wherein the lens shape comprises a convex lens shape.
11. 11. The display panel according to claim 1, wherein an upper surface of the bank layer is hydrophobic, and an inner surface of the bank layer defining the plurality of opening portions is hydrophilic.
12. 12. An electronic device, wherein the electronic device comprises: Display panel, and A lower cover constituting an external appearance of the electronic device, wherein an opening is defined in the lower cover, a portion of the display panel is exposed through the opening, Wherein, the display panel includes: A substrate; a plurality of pixel electrodes disposed on the substrate, wherein each of the plurality of pixel electrodes has an isolated shape; A pixel defining layer covering an edge of each of the plurality of pixel electrodes, wherein a plurality of openings are defined in the pixel defining layer, and a plurality of center portions of the plurality of pixel electrodes are exposed through the plurality of openings; A common electrode disposed above the pixel defining layer and the plurality of pixel electrodes and integrally formed as a single indivisible body; the first inorganic packaging layer is arranged on the public electrode; a bank layer disposed on the first inorganic encapsulation layer, wherein a plurality of opening portions respectively corresponding to the plurality of openings are defined in the bank layer; A plurality of polymer lenses arranged in the plurality of opening portions, wherein each of the plurality of polymer lenses has a refractive index higher than that of the bank layer and an upper surface of each of the plurality of polymer lenses has a lens shape, and And a second inorganic encapsulation layer covering the bank layer and the plurality of polymer lenses.
13. 13. The electronic device of claim 12, wherein an area of each of the plurality of opening portions in an upper surface of the bank layer is larger than an area of a corresponding one of the plurality of openings in a lower surface of the pixel defining layer.
14. 14. The electronic device of claim 12, wherein each of the plurality of opening portions has a larger area at an upper surface of the bank layer than at a lower surface of the bank layer.
15. 15. The electronic device of claim 12, wherein the second inorganic encapsulation layer has a refractive index greater than a refractive index of the plurality of polymer lenses.
16. 16. The electronic device of claim 12, wherein the electronic device further comprises a black matrix disposed on the second inorganic encapsulation layer and over the bank layer, Wherein the black matrix is located outside the plurality of opening portions and the plurality of openings when viewed from a direction perpendicular to the substrate.
17. 17. The electronic device of claim 12, wherein the electronic device further comprises a touch screen electrode disposed on the second inorganic encapsulation layer and over the bank layer, Wherein the touch screen electrode is located outside the plurality of opening portions and the plurality of openings when viewed from a direction perpendicular to the substrate.
18. 18. The electronic device of claim 12, wherein the plurality of pixel electrodes comprises a first color pixel electrode, a second color pixel electrode, and a third color pixel electrode, and One of the plurality of polymer lenses corresponding to the first color pixel electrode has a refractive index greater than that of two of the plurality of polymer lenses corresponding to the second color pixel electrode and the third color pixel electrode, respectively.
19. 19. The electronic device of claim 12, wherein the lens shape comprises a convex lens shape.
20. 20. The electronic device of claim 12, wherein an upper surface of the bank layer is hydrophobic and an inner surface of the bank layer defining the opening portion is hydrophilic.

Description

Display panel and electronic device Cross Reference to Related Applications The present application claims priority and ownership of korean patent application No. 10-2024-0153714 filed on 1 month 11 of 2024, the contents of which are incorporated herein by reference in their entirety. Technical Field One or more embodiments relate to a display panel and an electronic device including the display panel, and more particularly, to a display panel in which a high-quality image can be displayed, and an electronic device including the display panel. Background Display panels are widely used in various electronic devices. In such a display panel, pixels have been reduced in size to improve resolution and display high-quality images, and thus various elements may be arranged in a narrow area. Disclosure of Invention In the conventional display panel and the electronic apparatus including the display panel, a high quality image may not be effectively displayed due to interference between various elements arranged in a narrow area. One or more embodiments include a display panel in which a high-quality image can be displayed, and an electronic device including the display panel. According to one or more embodiments, a display panel includes a substrate, a plurality of pixel electrodes disposed on the substrate, wherein each of the plurality of pixel electrodes has an isolated shape, a pixel defining layer covering an edge of each of the plurality of pixel electrodes, wherein the plurality of openings are defined in the pixel defining layer, a plurality of center portions of the plurality of pixel electrodes are exposed through the plurality of openings, a common electrode disposed over the pixel defining layer and the plurality of pixel electrodes and integrally formed as a single indivisible body, a first inorganic encapsulation layer disposed on the common electrode, a bank layer disposed on the first inorganic encapsulation layer, wherein a plurality of opening portions respectively corresponding to the plurality of openings are defined in the bank layer, a plurality of polymer lenses disposed in the plurality of opening portions, wherein each of the plurality of polymer lenses has a refractive index higher than that of the bank layer, and an upper surface of each of the plurality of polymer lenses has a lens shape, and a second inorganic encapsulation layer and a plurality of inorganic encapsulation layers disposed on the first inorganic encapsulation layer. In an embodiment, an area of each of the plurality of opening portions in the upper surface of the bank layer may be larger than an area of a corresponding one of the plurality of openings in the lower surface of the pixel defining layer. In an embodiment, each of the plurality of opening portions may have a larger area at an upper surface of the bank layer than at a lower surface of the bank layer. In an embodiment, the refractive index of the second inorganic encapsulation layer may be greater than the refractive index of the plurality of polymer lenses. In an embodiment, the display panel may further include a black matrix disposed on the second inorganic encapsulation layer and on the bank layer. In an embodiment, the black matrix may be located at the plurality of opening portions and outside the plurality of openings when viewed from a direction perpendicular to the substrate. In an embodiment, the display panel may further include a touch screen electrode disposed on the second inorganic encapsulation layer and on the bank layer. In an embodiment, the touch screen electrode may be located at the plurality of opening portions and outside the plurality of openings when viewed from a direction perpendicular to the substrate. In an embodiment, the plurality of pixel electrodes may include a first color pixel electrode, a second color pixel electrode, and a third color pixel electrode, and a refractive index of one of the plurality of polymer lenses corresponding to the first color pixel electrode may be greater than refractive indices of two of the plurality of polymer lenses corresponding to the second color pixel electrode and the third color pixel electrode, respectively. In an embodiment, the lens shape may include a convex lens shape. In an embodiment, the upper surface of the bank layer may be hydrophobic and the inner surface of the bank layer defining the plurality of opening portions may be hydrophilic. According to one or more embodiments, an electronic device includes a display panel, and a lower cover constituting an exterior appearance of the electronic device, wherein an opening is defined in the lower cover, and a portion of the display panel is exposed through the opening. In such an embodiment, the display panel includes a substrate, a plurality of pixel electrodes disposed on the substrate, wherein each of the plurality of pixel electrodes has an isolated shape, a pixel defining layer covering an edge of each of the plurality of pixel ele