CN-122003062-A - Display panel and electronic device including the same

Abstract

The present disclosure relates to a display panel and an electronic device including the display panel. The display panel includes a base layer, a circuit layer disposed on the base layer, a light emitting element layer including a light emitting element and disposed on the circuit layer, and an encapsulation layer disposed on the light emitting element layer and including a first inorganic layer, an organic layer disposed on the first inorganic layer, and a second inorganic layer disposed on the organic layer. The organic layer includes a covalent organic framework.

Inventors

• SONG CHANGYONG
• Ju Zhenlian
• JIN YUANGUO
• Pu Xilian
• LIANG JIXUN
• ZHENG HUIREN
• Zhu rongzan
• HE ZAIXING

Assignees

• 三星显示有限公司

Dates

Publication Date

20260508

Application Date

20250930

Priority Date

20241104

Claims (20)

1. 1. A display panel, comprising: A base layer; the circuit layer is arranged on the base layer; A light emitting element layer including a light emitting element and disposed on the circuit layer, and An encapsulation layer disposed on the light emitting element layer and including a first inorganic layer, an organic layer disposed on the first inorganic layer, and a second inorganic layer disposed on the organic layer, Wherein the organic layer comprises a covalent organic framework.
2. 2. The display panel of claim 1, wherein the organic layer has a dielectric constant greater than or equal to 1.2 and less than or equal to 2.5.
3. 3. The display panel of claim 1, wherein the organic layer has a modulus of greater than or equal to 0.01GPa and less than or equal to 4 GPa.
4. 4. The display panel according to claim 1, wherein the display panel defines an effective area provided with the light emitting element and a peripheral area surrounding the effective area, The edge of the organic layer is disposed outside the effective region when viewed in plane, an The edge of the organic layer is disposed inside each of an edge of the first inorganic layer and an edge of the second inorganic layer when viewed in the plane.
5. 5. The display panel of claim 1, wherein the organic layer has a thickness greater than or equal to 0.2 μιη and less than or equal to 20 μιη.
6. 6. The display panel of claim 1, wherein each of the first and second inorganic layers comprises silicon oxide, silicon nitride, or silicon oxynitride.
7. 7. The display panel of claim 1, wherein the organic layer is formed by a vapor deposition process.
8. 8. The display panel of claim 1, wherein the covalent organic framework comprises a benzene ring.
9. 9. The display panel of claim 1, wherein the covalent organic framework comprises an oxo group, an amino group, or a cyano group.
10. 10. An electronic device, comprising: A display panel including a light emitting element, and A sensor layer disposed on the display panel and configured to sense an external input, Wherein, the display panel still includes: A base layer; the circuit layer is arranged on the base layer; A light emitting element layer including the light emitting element and disposed on the circuit layer, and An encapsulation layer disposed on the light emitting element layer and including a first inorganic layer, an organic layer disposed on the first inorganic layer, and a second inorganic layer disposed on the organic layer, Wherein the organic layer comprises a covalent organic framework.
11. 11. The electronic device of claim 10, wherein the organic layer has a dielectric constant greater than or equal to 1.2 and less than or equal to 2.5.
12. 12. The electronic device of claim 10, wherein the organic layer has a modulus of greater than or equal to 0.01GPa and less than or equal to 4 GPa.
13. 13. The electronic device of claim 10, wherein the display panel defines an active area provided with the light emitting element and a peripheral area surrounding the active area, The edge of the organic layer is disposed outside the effective region when viewed in plane, an The edge of the organic layer is disposed inside each of an edge of the first inorganic layer and an edge of the second inorganic layer when viewed in the plane.
14. 14. The electronic device of claim 10, wherein the organic layer has a thickness greater than or equal to 0.2 μιη and less than or equal to 20 μιη.
15. 15. The electronic device of claim 10, wherein each of the first and second inorganic layers comprises silicon oxide, silicon nitride, or silicon oxynitride.
16. 16. The electronic device of claim 10, wherein the organic layer is formed by a vapor deposition process.
17. 17. The electronic device of claim 10, wherein the covalent organic framework comprises a benzene ring.
18. 18. The electronic device of claim 10, wherein the covalent organic framework comprises an oxo group, an amino group, or a cyano group.
19. 19. The electronic device of claim 10, wherein the sensor layer is disposed directly on the second inorganic layer.
20. 20. A display panel, comprising: A base layer; the circuit layer is arranged on the base layer; A light emitting element layer including a light emitting element and disposed on the circuit layer, and An encapsulation layer disposed on the light emitting element layer and including a first inorganic layer, an organic layer disposed on the first inorganic layer, and a second inorganic layer disposed on the organic layer, Wherein the organic layer comprises a porous organic material comprising a benzene ring and at least one of an oxo group, an amino group, and a cyano group.

Description

Display panel and electronic device including the same Cross Reference to Related Applications The present application claims priority from korean patent application No. 10-2024-0153988 filed on the korean intellectual property office on day 11 and 4 of 2024, the disclosure of which is incorporated herein by reference in its entirety. Technical Field The present disclosure relates to a display panel and an electronic device including the display panel. More particularly, the present disclosure relates to a display panel including an encapsulation layer covering a light emitting element and an electronic device including the display panel. Background Various types of light emitting display devices have been developed to meet the increasing demands for high resolution, high efficiency and flexible display technologies. These light emitting display devices include Organic Light Emitting Diode (OLED) displays, inorganic light emitting displays, hybrid organic-inorganic light emitting displays, quantum dot displays, micro light emitting diode (micro LED) displays, and nano light emitting diode (nano LED) displays. OLEDs and hybrid displays are known for their excellent color reproducibility and thin form factors, making them well suited for use in mobile and wearable devices. Inorganic and micro LED displays offer high brightness, durability, and energy efficiency, making them attractive for large scale applications such as television and digital signage. Quantum dots and nano LED displays utilize quantum confinement effects to achieve excellent color purity and brightness. The electronic device may include one of these display devices and thus may include an active area that is activated in response to an electrical signal. The active area typically includes light emitting elements and may perform dual functions, display images, and detect external inputs such as pressure, thereby enabling the device to present information to a user while supporting interactive functions. The light emitting element may include an organic light emitting material or a quantum dot light emitting material, which is extremely susceptible to oxygen and moisture. Penetration of these substances may cause various defects to occur in the light emitting element. Accordingly, ongoing research is focused on developing encapsulation layers to protect these components from the environment. Disclosure of Invention At least one embodiment of the present disclosure provides a display panel including a sensor layer having enhanced touch sensitivity and a structure to reduce dead space, and an electronic device including the display panel. Embodiments of the inventive concept provide a display panel including a base layer, a circuit layer disposed on the base layer, a light emitting element layer including a light emitting element and disposed on the circuit layer, and an encapsulation layer disposed on the light emitting element layer and including a first inorganic layer, an organic layer disposed on the first inorganic layer, and a second inorganic layer disposed on the organic layer. The organic layer includes a covalent organic framework. In embodiments, the organic layer has a dielectric constant greater than or equal to about 1.2 and less than or equal to about 2.5. In embodiments, the organic layer has a modulus of greater than or equal to about 0.01 gigapascals (GPa) and less than or equal to about 4 GPa. In an embodiment, the display panel defines an effective area provided with the light emitting element and a peripheral area surrounding the effective area, wherein an edge of the organic layer is disposed outside the effective area when viewed in a plane, and an edge of the organic layer is disposed inside each of an edge of the first inorganic layer and an edge of the second inorganic layer when viewed in a plane. In an embodiment, the organic layer has a thickness greater than or equal to about 0.2 micrometers (μm) and less than or equal to about 20 μm. In an embodiment, each of the first and second inorganic layers comprises silicon oxide, silicon nitride, or silicon oxynitride. In an embodiment, the organic layer is formed by a vapor deposition process. In an embodiment, the covalent organic framework comprises a benzene ring. In an embodiment, the covalent organic framework comprises an oxo group, an amino group, or a cyano group. Embodiments of the inventive concept provide an electronic device including a display panel including a light emitting element and a sensor layer disposed on the display panel and sensing an external input. The display panel further includes a base layer, a circuit layer disposed on the base layer, a light emitting element layer including a light emitting element and disposed on the circuit layer, and an encapsulation layer disposed on the light emitting element layer and including a first inorganic layer, an organic layer disposed on the first inorganic layer, and a second inorganic layer disposed on th