CN-122003050-A - Display panel and electronic device including the same

Abstract

The invention relates to a display panel and an electronic device including the same. The electronic device includes a pixel defining layer defining a first opening overlapping at least a portion of the light emitting region and a second opening overlapping the contact region through the pixel defining layer, a light emitting element including a first electrode, a second electrode, and a common layer, at least a portion of which is exposed through the first opening, and a boundary barrier overlapping the contact region and disposed on the pixel defining layer. At least a portion of the first electrode overlapping the non-display region is exposed through the second opening, and the second electrode at least partially covers the boundary barrier rib in the non-display region and is connected to the first electrode exposed through the second opening.

Inventors

• Kang Qining
• Pu Zhongxi
• Pu Zanzhu
• BAI ZHONGJUN
• Song Gengui
• LI ZAIXUN
• LI CHENGYIN
• PU ZHIMIN
• Quan Duxian
• JIN DARONG
• JIN SHIGUANG
• JIN HENGJI
• Nan Runlong
• Wen Junhuan

Assignees

• 三星显示有限公司

Dates

Publication Date

20260508

Application Date

20251103

Priority Date

20241101

Claims (20)

1. 1. An electronic device, comprising: a processor configured to provide image data; a display panel connected to the processor, and A driver configured to receive the image data and drive the display panel based on the image data, the display panel comprising: a base substrate including a display region including a light emitting region and a non-light emitting region, and a non-display region adjacent to the display region and including a contact region; a pixel defining layer defining a first opening at least partially overlapping the light emitting region and a second opening at least partially overlapping the contact region in a third direction perpendicular to a first direction and a second direction parallel to a top surface of the base substrate through the pixel defining layer, the pixel defining layer being on the base substrate; a light emitting element including a first electrode at least a portion of which is exposed through the first opening, a second electrode on the first electrode, and a common layer between the first electrode and the second electrode, and A boundary barrier rib on the pixel defining layer, the boundary barrier rib at least partially overlapping the contact region in the third direction, Wherein at least a portion of the first electrode at least partially overlapping the non-display region is exposed through the second opening, and the second electrode at least partially covers the boundary barrier in the non-display region and is connected to the first electrode exposed through the second opening.
2. 2. The electronic device of claim 1, wherein the boundary barrier comprises: A first pattern on the pixel defining layer; A second pattern on the first pattern; a first barrier pattern on the second pattern, and A second barrier pattern on the first barrier pattern.
3. 3. The electronic device of claim 2, wherein the first barrier pattern comprises aluminum and the second barrier pattern comprises titanium.
4. 4. The electronic device of claim 3, wherein the first barrier pattern has a width smaller than a width of the second barrier pattern, and the first barrier pattern has a thickness greater than a thickness of the second barrier pattern.
5. 5. The electronic device of claim 2, wherein the second pattern has a width greater than a width of the second barrier pattern.
6. 6. The electronic device of claim 2, wherein the second pattern has a width greater than a width of the first pattern.
7. 7. The electronic device of claim 2, further comprising: and a dummy pattern at least partially covered by the second electrode on the second barrier pattern, wherein the dummy pattern and the common layer include the same material.
8. 8. The electronic device of claim 7, further comprising: And a protective layer disposed between the dummy pattern and the second barrier pattern and including an inorganic material.
9. 9. The electronic device of claim 2, wherein the second barrier pattern protruding from the first barrier pattern defines a downward protruding tip portion.
10. 10. The electronic device of claim 2, further comprising: A normal barrier rib on the pixel defining layer, the normal barrier rib at least partially overlapping the non-light emitting region in the third direction, Wherein the normal barrier is at least partially covered by the second electrode.
11. 11. The electronic device of claim 10, wherein the normal barrier rib and the boundary barrier rib have the same shape.
12. 12. The electronic device of claim 10, wherein the normal barrier rib and the boundary barrier rib are integrally provided as a pattern.
13. 13. The electronic device of claim 2, wherein the second electrode has a thickness greater than a thickness of the first pattern.
14. 14. The electronic device of claim 1, wherein the boundary barrier wall does not overlap the second opening in the third direction in the contact region.
15. 15. The electronic device of claim 14, wherein the boundary barrier comprises: a first portion extending in the first direction and spaced apart from each other in the second direction, and And a second portion disposed between the first portions adjacent to each other.
16. 16. The electronic device of claim 15, wherein each of the second portions has a stepped shape.
17. 17. The electronic device of claim 15, wherein each of the second portions extends in the second direction.
18. 18. The electronic device of claim 1, further comprising: a thin film encapsulation layer including a first inorganic layer at least partially covering the light emitting element, a second inorganic layer on the first inorganic layer, and an organic layer between the first inorganic layer and the second inorganic layer.
19. 19. The electronic device of claim 18, wherein the display panel further comprises a dam portion in the non-display area, and Wherein the dam portion surrounds at least a portion of the contact region and includes sequentially stacked organic patterns.
20. 20. The electronic device of claim 19, wherein in the non-display region, a boundary of the organic layer is defined by the dam portion.

Description

Display panel and electronic device including the same The present application is based on and claims priority of korean patent application No. 10-2024-0153651 filed in the korean intellectual property office at 1/11/2024 and korean patent application No. 10-2025-0021380 filed in 19/2025, the disclosures of which are incorporated herein by reference in their entireties. 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 having improved display quality and an electronic device including the display panel. Background Multimedia electronic devices such as smart phones, digital cameras, laptop computers, navigation units, and smart televisions that generate images include electronic devices for displaying images through a display screen. The electronic device includes a plurality of pixels for generating an image and a plurality of lines connected to the pixels. The pixels receive driving signals through the lines to be driven by the driving signals. In a middle-to-large-sized electronic device having a large display area such as a tablet computer or a smart television, differences occur in driving voltages applied to each pixel, and thus, a design to compensate for these differences is required. The information disclosed in this background section is already known to or is derived by the inventors before or during the course of carrying out the embodiments of the application or is technical information obtained in carrying out the embodiments. It may therefore contain information that does not form the prior art known to the public. Disclosure of Invention The present disclosure provides an electronic device including a display panel capable of applying a constant driving voltage to pixels. Embodiments of the present disclosure provide an electronic device that may include a processor configured to provide image data, a display panel connected to the processor, and a driver configured to receive the image data and drive the display panel based on the image data. The display panel may include a base substrate including a display region and a non-display region, the display region including a light emitting region and a non-light emitting region, the non-display region being adjacent to the display region and including a contact region, a pixel defining layer defining a first opening overlapping the light emitting region in a third direction perpendicular to a first direction and a second direction parallel to a top surface of the base substrate and a second opening at least partially overlapping the contact region through the pixel defining layer, the pixel defining layer on the base substrate, a light emitting element including a first electrode at least a portion of which is exposed through the first opening, a second electrode on the first electrode, and a common layer between the first electrode and the second electrode, and a boundary barrier on the pixel defining layer, the boundary barrier overlapping the contact region in the third direction, wherein at least a portion of the first electrode overlapping the non-display region is exposed through the second opening, and the second electrode covers the boundary barrier in the non-display region and is connected to the first electrode exposed through the second opening. The boundary barrier rib may include a first pattern on the pixel defining layer, a second pattern on the first pattern, a first barrier rib pattern on the second pattern, and a second barrier rib pattern on the first barrier rib pattern. The first barrier pattern may include aluminum, and the second barrier pattern may include titanium. The first barrier pattern may have a smaller width than that of the second barrier pattern, and the first barrier pattern may have a thickness greater than that of the second barrier pattern. The second pattern may have a width greater than that of the second barrier pattern. The second pattern may have a width greater than that of the first pattern. The electronic device may include a dummy pattern on the second barrier pattern and at least partially covered by the second electrode, and the dummy pattern may include the same material as the common layer. The electronic device may include a protective layer disposed between the dummy pattern and the second barrier pattern and including an inorganic material. The second barrier pattern protruding from the first barrier pattern may define a tip portion protruding downward. The electronic device may further include a normal barrier rib overlapping the non-light emitting region and disposed on the pixel defining layer, and the normal barrier rib may be covered by the second electrode. The normal barrier rib may have the same shape as the boundary barrier rib. The normal barrier rib may be integrally provided with the boundary barrier rib as a pattern. The second electrode may