US-20260130096-A1 - DISPLAY PANEL AND ELECTRONIC DEVICE INCLUDING THE SAME

Abstract

A 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

• Changyeong SONG
• Jinyoung KOO
• YEONGUK KIM
• Heeyeon Park
• Gihoon Yang
• Hyein Jung
• Yongchan Ju
• Jaeheung Ha

Assignees

• SAMSUNG DISPLAY CO., LTD.

Dates

Publication Date

20260507

Application Date

20251030

Priority Date

20241104

Claims (20)

1. 1 . A display panel comprising: a base layer; a circuit layer disposed on the base layer; a light emitting element layer comprising a light emitting element and disposed on the circuit layer; and an encapsulation layer disposed on the light emitting element layer and comprising 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 about 1.2 and smaller than or equal to about 2.5.
3. 3 . The display panel of claim 1 , wherein the organic layer has a modulus greater than or equal to about 0.01 gigapascal (GPa) and smaller than or equal to about 4 GPa.
4. 4 . The display panel of claim 1 , wherein the display panel comprises an active area where the light emitting element is disposed and a peripheral area surrounding the active area, an edge of the organic layer is disposed outside the active area when viewed in a plane, and 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 about 0.2 micrometer (μm) and smaller than or equal to about 20 μm.
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 through 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 comprising a light emitting element; and a sensor layer disposed on the display panel and configured to sense an external input, the display panel comprising: a base layer; a circuit layer disposed on the base layer; a light emitting element layer comprising the light emitting element and disposed on the circuit layer; and an encapsulation layer disposed on the light emitting element layer and comprising 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 about 1.2 and smaller than or equal to about 2.5.
12. 12 . The electronic device of claim 10 , wherein the organic layer has a modulus greater than or equal to about 0.01 gigapascal (GPa) and smaller than or equal to about 4 GPa.
13. 13 . The electronic device of claim 10 , wherein the display panel comprises an active area where the light emitting element is disposed and a peripheral area surrounding the active area, an edge of the organic layer is disposed outside the active area when viewed in a plane, and 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 about 0.2 micrometer (μm) and smaller than or equal to about 20 μm.
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 through 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; a circuit layer disposed on the base layer; a light emitting element layer comprising a light emitting element and disposed on the circuit layer; and an encapsulation layer disposed on the light emitting element layer and comprising 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 including a benzene ring and at least one of an oxo group, an amino group, or a cyano group.

Description

CROSS-REFERENCE TO RELATED APPLICATION(S) This U.S. patent application claims priority under 35 U.S.C. § 119 to Korean Patent Application No. 10-2024-0153988, filed on Nov. 4, 2024 in the Korean Intellectual Property Office, the disclosure of which is incorporated by reference in its entirety herein. 1. TECHNICAL FIELD The present disclosure is directed to a display panel and an electronic device including the same. More particularly, the present disclosure is directed to a display panel including an encapsulation layer that covers a light emitting element and an electronic device including the display panel. 2. DISCUSSION OF RELATED ART Various types of light emitting display devices have been developed to meet increasing demands for high-resolution, high-efficiency, and flexible display technologies. These 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. OLED and hybrid displays are known for their excellent color reproduction and thin form factor, making them well-suited for mobile and wearable devices. Inorganic and micro-LED displays offer high brightness, durability, and energy efficiency, making them attractive for larger-scale applications such as televisions and digital signage. Quantum dot and nano-LED displays leverage quantum confinement effects to achieve superior color purity and brightness. An electronic device may include one of these display devices, and thus may include an active area activated in response to electrical signals. The active area typically includes light emitting elements and may perform dual functions, displaying images and detecting external inputs, such as pressure, thereby enabling the device to present information to a user while supporting interactive functionality. The light emitting elements may include organic light emitting materials or quantum dot light emitting materials, which are highly susceptible to oxygen and moisture. Infiltration of these substances can cause various defects occur in the light emitting elements. Accordingly, ongoing research focuses on developing encapsulation layers to protect these components from environmental degradation. SUMMARY At least one embodiment of the present disclosure provides a display panel that includes a sensor layer with enhanced touch sensitivity and a structure that reduces dead space and 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 an embodiment, the organic layer has a dielectric constant greater than or equal to about 1.2 and smaller than or equal to about 2.5. In an embodiment, the organic layer has a modulus greater than or equal to about 0.01 gigapascal (GPa) and smaller than or equal to about 4 GPa. In an embodiment, the display panel comprises an active area where the light emitting element is disposed and a peripheral area surrounding the active area, wherein an edge of the organic layer is disposed outside the active area when viewed in a plane, and 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. In an embodiment, the organic layer has a thickness greater than or equal to about 0.2 micrometer (μm) and smaller than or equal to about 20 μm. In an embodiment, each of the first and second inorganic layers includes silicon oxide, silicon nitride, or silicon oxynitride. In an embodiment, the organic layer is formed through a vapor deposition process. In an embodiment, the covalent organic framework includes a benzene ring. In an embodiment, the covalent organic framework includes 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 for sensing an external input. The display panel includes a base layer, a circuit layer disposed 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. The organic layer includes a covalent organic