CN-122003067-A - Display panel, electronic device including the same, and vehicle including the electronic device

Abstract

Provided are a display panel, an electronic device including the same, and a vehicle including the electronic device. The display panel includes a substrate including a first display region and a second display region connected to the first display region at an angle therebetween, a plurality of display elements spaced apart from each other in the first display region and the second display region, an encapsulation layer on the plurality of display elements, a first refraction layer in the first display region and the second display region and on the encapsulation layer, and a second refraction layer on the first refraction layer. The second display area includes a first area and a second area adjacent to the first area. The first refractive layer in the first region includes a first inclined surface, and the first refractive layer in the second region includes a second inclined surface. The first inclination angle of the first inclined surface is smaller than the second inclination angle of the second inclined surface.

Inventors

• Cheng Taiguang
• Yu Zhina

Assignees

• 三星显示有限公司

Dates

Publication Date

20260508

Application Date

20251107

Priority Date

20241107

Claims (19)

1. 1. A display panel, comprising: A substrate including a first display region and a second display region connected to the first display region, the first display region being at an angle to the second display region; A plurality of display elements spaced apart from each other in the first display region and the second display region; An encapsulation layer on the plurality of display elements; A first refraction layer on the encapsulation layer in the first display region and the second display region, and A second refractive layer on the first refractive layer and having a refractive index different from that of the first refractive layer, Wherein the second display area includes a first area and a second area adjacent to the first area, Wherein the first refractive layer in the first region comprises a first inclined surface and the first refractive layer in the second region comprises a second inclined surface, and Wherein the first angle of inclination of the first inclined surface is smaller than the second angle of inclination of the second inclined surface.
2. 2. The display panel of claim 1, wherein, At least one of the first refractive layer in the first region and the first refractive layer in the second region includes an aperture region.
3. 3. The display panel of claim 2, wherein the aperture region comprises: A first aperture region in the first refractive layer and corresponding to one of the plurality of display elements in the first region, and A second hole region in the first refractive layer and corresponding to one display element in the second region among the plurality of display elements.
4. 4. The display panel according to claim 3, wherein, The total area of the planar shape of the first aperture region is smaller than the total area of the planar shape of the second aperture region.
5. 5. The display panel according to claim 3, wherein, The outermost edge of the first aperture region is outside an edge of an emission region of the one display element corresponding to the first aperture region.
6. 6. The display panel according to claim 3, wherein, The outermost edge of the second aperture region is outside the edge of the emission region of the one display element corresponding to the second aperture region.
7. 7. A display panel according to claim 3, wherein the second aperture region comprises: second-1 pore region, and A second-2 aperture region inside the first refractive layer disposed inside the second-1 aperture region.
8. 8. The display panel of claim 2, wherein, The planar shape of the hole region includes an island shape or a lattice shape.
9. 9. The display panel of claim 1, wherein, At least one of the first refractive layer having the first inclined surface and the first refractive layer having the second inclined surface includes an island shape.
10. 10. The display panel of claim 1, wherein, The first region is a region from a point spaced apart from a boundary between the first display region and the second display region by 20% of a total length of the second display region to a point spaced apart from the boundary between the first display region and the second display region by 55% of the total length of the second display region.
11. 11. The display panel of claim 1, wherein, The second region is a region from a point spaced apart from a boundary between the first display region and the second display region by 55% of a total length of the second display region to an end of an edge of the second display region.
12. 12. The display panel of claim 1, wherein, The refractive index of the first refractive layer is in the range of 1.4 to 1.55.
13. 13. The display panel of claim 1, wherein, The refractive index of the second refractive layer is in the range of 1.65 to 1.85.
14. 14. The display panel of claim 1, further comprising: an input detection layer between the encapsulation layer and the first refractive layer.
15. 15. The display panel of claim 1, further comprising: a plurality of wirings between the substrate and a display element among the plurality of display elements, Wherein at least one of the plurality of wirings is located on the substrate, and at least a portion of a pixel electrode of the display element is inclined.
16. 16. The display panel of claim 15, wherein, The slope of the at least a portion of the pixel electrode increases from the first region toward the second region.
17. 17. The display panel of claim 15, wherein, One of the plurality of wirings overlapping with the pixel electrode includes a protruding portion protruding in a direction different from a longitudinal direction of the one of the plurality of wirings.
18. 18. An electronic device, comprising: The display panel according to any one of claims 1 to 17, which is bendable, and A beam splitter on the display panel and configured to: Transmitting a first image implemented in a portion of the display panel, and Reflecting a second image implemented in another portion of the display panel.
19. 19. A vehicle, comprising: Body of a vehicle, and An electronic device located inside the vehicle body and comprising the display panel according to any one of claims 1 to 17.

Description

Display panel, electronic device including the same, and vehicle including the electronic device Cross Reference to Related Applications The present application claims priority and benefit from korean patent application nos. 10-2024-0156883 and 10-2025-0078991, filed in the korean intellectual property office on day 11, 2024 and day 6, 2025, respectively, the entire disclosures of which are incorporated herein by reference. Technical Field Aspects of one or more embodiments of the present disclosure relate to a display panel, an electronic device including the display panel, and a vehicle including the electronic device. Background Mobile electronic devices have been widely used. In addition to compact electronic devices such as mobile phones, tablet Personal Computers (PCs) are also widely used as mobile electronic devices. To support various functions, a mobile electronic device may include a display panel to provide visual information (such as images or video), for example, to a user. As other components for driving a display panel have recently become more compact, the proportion of the display panel in electronic devices has been gradually increased, and structures for bending the display panel from a flat state by a specific angle have been developed. The above information disclosed in this background section is for enhancement of understanding of the background of the disclosure and, thus, it may contain information that does not form the prior art. Disclosure of Invention A portion of the display panel may be in a bent state. In this case, an image implemented in some portions of the bent portion of the display panel may be reflected and seen by a user. In this case, due to the distance along the path between the reflective portion and the user, the brightness of at least one portion of the reflected image may be different from the brightness of another portion of the reflected image, making it difficult to provide a clear image to the user. One or more embodiments of the present disclosure relate to a display panel on which a clear image can be displayed, an electronic device including the display panel, and a vehicle including the electronic device. Additional aspects and features will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of one or more of the presented embodiments of the disclosure. According to one or more embodiments, a display panel includes a substrate including a first display region and a second display region connected to each other and arranged at a certain angle with respect to each other, a plurality of display elements spaced apart from each other in the first display region and the second display region, an encapsulation layer arranged on the plurality of display elements, a first refractive layer arranged in the first display region and the second display region and on the encapsulation layer, and a second refractive layer arranged on the first refractive layer and having a refractive index different from that of the first refractive layer, wherein the second display region includes a first region and a second region adjacent to each other, the first refractive layer arranged in the first region includes a first inclined surface, and the first refractive layer arranged in the second region includes a second inclined surface, and a first inclination angle of the first inclined surface is smaller than a second inclination angle of the second inclined surface. In an embodiment, at least one of the first refractive layer arranged in the first region and the first refractive layer arranged in the second region may include an aperture region. In an embodiment, the aperture regions may include a first aperture region disposed in the first refractive layer and corresponding to one of the plurality of display elements disposed in the first region, and a second aperture region disposed in the first refractive layer and corresponding to one of the plurality of display elements disposed in the second region. In an embodiment, the total area of the planar shape of the first hole region may be smaller than the total area of the planar shape of the second hole region. In an embodiment, the outermost edge of the first aperture region may be outside the edge of the emission region of one display element corresponding to the first aperture region. In an embodiment, the outermost edge of the second aperture region may be outside the edge of the emission region of one display element corresponding to the second aperture region. In an embodiment, the second hole region may include a second-1 hole region and a second-2 hole region inside the first refractive layer disposed inside the second-1 hole region. In an embodiment, the planar shape of the hole region may include an island shape or a lattice shape. In an embodiment, at least one of the first refractive layer having the first inclined surface and the f