CN-122003066-A - Display device and electronic apparatus including the same

Abstract

The application relates to a display device and an electronic apparatus including the display device. The display device includes a substrate, a pixel defining layer including an opening and disposed on the substrate, a light emitting element overlapping the opening of the pixel defining layer and including a pixel electrode, an emitting layer, and a counter electrode, a capping layer disposed on the light emitting element, a transparent film disposed on the capping layer and including a plurality of openings, and an auxiliary layer disposed in the plurality of openings of the transparent film and overlapping the opening of the pixel defining layer.

Inventors

• JIN ZAIXUN

Assignees

• 三星显示有限公司

Dates

Publication Date

20260508

Application Date

20251106

Priority Date

20241107

Claims (20)

1. 1. A display device, comprising: a substrate; a pixel defining layer including an opening and disposed on the substrate; a light emitting element overlapping the opening of the pixel defining layer and including a pixel electrode, an emission layer, and a counter electrode; a capping layer disposed on the light emitting element; a transparent film disposed on the cover layer and including a plurality of openings, and An auxiliary layer disposed in the plurality of openings of the transparent film and overlapping the openings of the pixel defining layer.
2. 2. The display device according to claim 1, wherein each area of the auxiliary layer provided in the plurality of openings of the transparent film is larger than an area of the opening of the pixel defining layer.
3. 3. The display device of claim 1, wherein the auxiliary layer comprises an acidic material.
4. 4. The display device of claim 1, wherein the auxiliary layer comprises at least one of citric acid, acetic acid, sulfuric acid, and polyacrylic acid.
5. 5. The display device of claim 1, wherein the auxiliary layer comprises ethanol.
6. 6. The display device according to claim 1, wherein each of the plurality of openings of the transparent film is provided in a polygonal shape.
7. 7. The display device of claim 6, wherein each of the plurality of openings of the transparent film is provided in a hexagonal shape.
8. 8. The display device according to claim 6, wherein each of the plurality of openings of the transparent film is provided in a quadrangular shape.
9. 9. The display device of claim 6, wherein each of the plurality of openings of the transparent film is provided in a diamond shape.
10. 10. The display device according to claim 1, wherein each of the plurality of openings of the transparent film is provided in a circular shape.
11. 11. The display device of claim 1, wherein the emissive layer comprises quantum dots.
12. 12. The display device according to claim 1, wherein each of the plurality of openings of the transparent film has a diameter of 10 μm or more.
13. 13. The display device of claim 1, wherein the transparent film comprises polyvinyl chloride.
14. 14. The display device of claim 1, further comprising a thin film encapsulation layer disposed on the auxiliary layer and the transparent film.
15. 15. A display device, comprising: a substrate; a pixel defining layer including an opening and disposed on the substrate; a light emitting element overlapping the opening of the pixel defining layer and including a pixel electrode, an emission layer, and a counter electrode; a capping layer disposed on the light emitting element; An auxiliary layer disposed on the capping layer, and A transparent film disposed on the auxiliary layer, wherein the auxiliary layer is attached to a lower surface of the transparent film.
16. 16. The display apparatus of claim 15, wherein the auxiliary layer is coated on the entire lower surface of the transparent film.
17. 17. The display device of claim 15, wherein the auxiliary layer comprises an acidic material.
18. 18. The display device of claim 15, wherein the auxiliary layer comprises ethanol.
19. 19. The display device of claim 15, wherein the emissive layer comprises quantum dots.
20. 20. The display device of claim 15, further comprising a thin film encapsulation layer disposed on the transparent film.

Description

Display device and electronic apparatus including the same The present application claims priority and ownership rights obtained from korean patent application No. 10-2024-0157465, filed on 7 of 11 of 2024, the entire contents of which are incorporated herein by reference. Technical Field One or more embodiments relate to a display apparatus and an electronic device including the display apparatus. Background The display device visually displays the data. The display device may display an image using light emitting diodes. The uses of display devices have been diversified, and various attempts have been made to design display devices having improved display quality. Disclosure of Invention One or more implementations include a display device. Additional aspects 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 the presently presented embodiments of the disclosure. According to one or more embodiments, a display device includes a substrate, a pixel defining layer including an opening and disposed on the substrate, a light emitting element overlapping the opening of the pixel defining layer and including a pixel electrode, an emission layer, and a counter electrode, a capping layer disposed on the light emitting element, a transparent film disposed on the capping layer and including a plurality of openings, and an auxiliary layer disposed in the plurality of openings of the transparent film and overlapping the opening of the pixel defining layer. According to an embodiment, each area of the auxiliary layer disposed in the plurality of openings of the transparent film may be greater than an area of the opening of the pixel defining layer. According to an embodiment, the auxiliary layer may comprise an acidic material. According to an embodiment, the auxiliary layer may include at least one of citric acid (C 6H8O7), acetic acid (CH 3 COOH) sulfuric acid (H 2SO4), and polyacrylic acid (PAA). According to an embodiment, the auxiliary layer may comprise ethanol. According to an embodiment, each of the plurality of openings of the transparent film may be provided in a polygonal shape. According to an embodiment, each of the plurality of openings of the transparent film may be provided in a hexagonal shape. According to an embodiment, each of the plurality of openings of the transparent film may be provided in a quadrangular shape. According to an embodiment, each of the plurality of openings of the transparent film may be provided in a diamond shape. According to an embodiment, each of the plurality of openings of the transparent film may be provided in a circular shape. According to an embodiment, the emissive layer may comprise quantum dots. According to an embodiment, each of the plurality of openings of the transparent film may have a diameter of 10 μm or more. According to an embodiment, the transparent film may include polyvinyl chloride (PVC). According to an embodiment, the display device may further include a thin film encapsulation layer disposed on the auxiliary layer and the transparent film. According to one or more embodiments, a display device includes a substrate, a pixel defining layer including an opening and disposed on the substrate, a light emitting element overlapping the opening of the pixel defining layer and including a pixel electrode, an emission layer, and a counter electrode, a capping layer disposed on the light emitting element, an auxiliary layer disposed on the capping layer, and a transparent film disposed on the auxiliary layer, wherein the auxiliary layer is attached to a lower surface of the transparent film. According to an embodiment, the auxiliary layer may be coated on the entire lower surface of the transparent film. According to an embodiment, the auxiliary layer may comprise an acidic material. According to an embodiment, the auxiliary layer may comprise ethanol. According to an embodiment, the emissive layer may comprise quantum dots. According to an embodiment, the display device may further include a thin film encapsulation layer disposed on the transparent film. According to an embodiment, an electronic apparatus may comprise the aforementioned display device. Drawings The above and other aspects, features, and advantages of certain embodiments of the present disclosure will become more apparent from the following description in conjunction with the accompanying drawings, in which: fig. 1 is a schematic perspective view of a display device according to an embodiment; fig. 2 is an equivalent circuit diagram of a pixel circuit electrically connected to a light emitting element included in a pixel of the display device of fig. 1; Fig. 3A is a schematic cross-sectional view of a display device according to an embodiment, and fig. 3B is a schematic cross-sectional view of a display device according to another embodiment; fig. 4 is a schematic plan view of a display device accordin