CN-122003048-A - Display device and electronic device including the same

Abstract

A display device and an electronic device including the same are disclosed, the display device including a display panel having a first non-folding region, a second non-folding region, and a folding region therebetween. A digitizer is disposed below the display panel and overlapping the first non-folded region and the second non-folded region, the digitizer including a loop coil. The metal layer is positioned under the digitizer and the cushioning member is disposed under the metal layer. The circuit board is located under and electrically connected to the digitizer. The circuit board leads are positioned on the circuit board, and the protective member is disposed over the circuit board leads. The digitizer and the circuit board are combined by an anisotropic conductive film. The cushioning member includes a first cushioning layer having a first opening and a second cushioning layer underlying the first cushioning layer, the second cushioning layer overlying the first opening and having a second opening in an offset position.

Inventors

• Quan Enting
• JIANG YIZHENG
• Gao Xuanxi
• LI DONGYE
• HUANG ZHENYU

Assignees

• 三星显示有限公司

Dates

Publication Date

20260508

Application Date

20251029

Priority Date

20241101

Claims (20)

1. 1. A display device, the display device comprising: A display panel including a first non-folding region, a second non-folding region, and a folding region disposed between the first non-folding region and the second non-folding region; a lower member disposed under the display panel; A digitizer module disposed below the lower member, and A circuit board module disposed in an area under the digitizer module, Wherein the lower member includes a panel support overlapping at least the first non-folded region and the second non-folded region, The digitizer module includes: A digitizer comprising a loop coil and overlapping the first non-folding region and the second non-folding region; a metal layer disposed under the digitizer, and A buffer member disposed under the metal layer, The circuit board module includes: a circuit board electrically connected to the digitizer and disposed below the digitizer; a circuit board lead arranged on the circuit board, and A protection member disposed on the circuit board lead, The digitizer module and the circuit board module are combined by an anisotropic conductive film, and The buffer member includes a first buffer layer having a first opening, and a second buffer layer disposed under the first buffer layer and overlapping the first opening, the second buffer layer having a second opening.
2. 2. The display device of claim 1, wherein the circuit board leads extend beyond the protective member, and The circuit board extends further outwardly from the circuit board leads.
3. 3. The display device according to claim 1, wherein the protective member at least partially overlaps with a region of the anisotropic conductive film.
4. 4. The display device according to claim 1, wherein an outer end of the protective member is located in the first opening.
5. 5. The display device of claim 1, wherein the anisotropic conductive film is positioned within the first opening in at least a region overlapping the circuit board leads.
6. 6. The display device according to claim 1, wherein the second opening includes a first region overlapping the protective member and a second region adjacent to the first region, and a width of the first region is larger than a width of the second region.
7. 7. The display device according to claim 6, wherein the anisotropic conductive film covers at least a portion of the second region.
8. 8. The display device of claim 6, wherein an outer end of the circuit board is located in the second region or on the second buffer layer.
9. 9. The display device of claim 6, wherein an outer end of the circuit board lead corresponds to an inner end of the second region.
10. 10. An electronic device, the electronic device comprising: An input module; a memory storing at least one program; a processor configured to operate by executing the at least one program; display device, and A power module configured to supply power to the display device, Wherein the processor is further configured to control the input module to obtain data and the display device to visually display the data, and The display device includes: a display module including a first non-folded region, a second non-folded region, and a folded region disposed between the first non-folded region and the second non-folded region; a lower member disposed under the display module; A digitizer module disposed below the lower member, and A circuit board module disposed in an area under the digitizer module, Wherein the lower member includes a panel support overlapping at least the first non-folded region and the second non-folded region, The digitizer module includes: A digitizer comprising a loop coil and overlapping the first non-folding region and the second non-folding region; a metal layer disposed under the digitizer, and A buffer member arranged under the metal layer, and The circuit board module includes: a circuit board electrically connected to the digitizer and disposed below the digitizer; a circuit board lead arranged on the circuit board; a protective member disposed on the circuit board lead, and An anisotropic conductive film bonding the digitizer module and the circuit board module, and The buffer member includes a first buffer layer having a first opening, and a second buffer layer disposed under the first buffer layer and overlapping the first opening, the second buffer layer having a second opening.
11. 11. The electronic device of claim 10, further comprising an embedded module, Wherein, the embedded module includes: a sensor module configured to detect an input and to generate data corresponding to the input; an antenna module configured to exchange the data with an external electronic device, and An audio output module, and Wherein the processor is further configured to control the audio output module to audibly output the data.
12. 12. The electronic device of claim 11, further comprising an external module, Wherein the external module comprises: a camera module configured to capture an image; An optical module configured to output light, and A communication module configured to exchange the data between the electronic device and the external electronic device.
13. 13. The electronic device of claim 10, wherein the circuit board leads extend beyond the protective member and the circuit board extends further outward from the circuit board leads.
14. 14. The electronic device of claim 10, wherein the protective member at least partially overlaps an area of the anisotropic conductive film.
15. 15. The electronic device of claim 10, wherein an outer end of the protective member is located in the first opening.
16. 16. The electronic device of claim 10, wherein the anisotropic conductive film is positioned in the first opening in at least a region overlapping the circuit board leads.
17. 17. The electronic device according to claim 10, wherein the second opening includes a first region overlapping the protective member and a second region adjacent to the first region, and The width of the first region is greater than the width of the second region.
18. 18. The electronic device of claim 17, wherein the anisotropic conductive film covers at least a portion of the second region.
19. 19. The electronic device of claim 17, wherein an outer end of the circuit board is located in the second region or on the second buffer layer, and an outer end of the circuit board lead corresponds to an inner end of the second region.
20. 20. A display device, the display device comprising: A display panel including a first non-folding region, a second non-folding region, and a folding region disposed between the first non-folding region and the second non-folding region; A digitizer disposed below the display panel; a circuit board electrically connected to the digitizer and disposed below the digitizer; a circuit board lead arranged on the circuit board; a metal layer disposed under the digitizer; a protection member disposed on the circuit board lead; An anisotropic conductive film bonding the digitizer to the circuit board, and A buffer member disposed below the metal layer, the buffer member comprising: a first buffer layer having a first opening, and A second buffer layer disposed under the first buffer layer, overlying the first opening, and having a second opening offset from the first opening.

Description

Display device and electronic device including the same The present patent application claims priority from korean patent application No. 10-2024-0153567 filed on the korean intellectual property office on 1/11/2024, the disclosure of which is incorporated herein by reference in its entirety. Technical Field The present disclosure relates to a display device and an electronic device including the same, and more particularly, to a display device having enhanced surface quality and an electronic device including the same. Background The display device includes a display area activated by an electrical signal. The display device may detect an input applied from the outside through the display area while displaying various images to provide information to the user. If the display device is designed using flexible organic light emitting diode panels and combined with flexible touch sensor technology, the display device can be made foldable and retains its ability to detect inputs. The display device may include a digitizer that detects and processes touch input. For example, the digitizer can convert a touch gesture into an electrical signal to cause the display device to respond accordingly. The bonding process may be used to bond the digitizer to other components during manufacturing of the display device. However, the digitizer may develop deformations or indentations during this bonding process, which may lead to touch sensitivity problems, visual screen defects, and structural weaknesses. Disclosure of Invention At least one embodiment of the present disclosure provides a display device having enhanced surface quality when a digitizer and a sensing circuit board are compressed, and an electronic device including the display device. However, the scope of the present disclosure is not limited thereto, as additional features and improvements may be provided by the embodiments. According to aspects of the present disclosure, a display device includes a display panel including a first non-folded region, a second non-folded region, and a folded region disposed between the first non-folded region and the second non-folded region, a lower member disposed under the display panel, a digitizer module disposed under the lower member, and a circuit board module disposed in a region under the digitizer module, wherein the lower member includes a panel support overlapping at least the first non-folded region and the second non-folded region, and the digitizer module includes a digitizer including a loop coil and overlapping the first non-folded region and the second non-folded region, a metal layer disposed under the digitizer, and a buffer member disposed under the metal layer, and the circuit board module includes a circuit board electrically connected to the digitizer and disposed under the digitizer, a circuit board lead disposed on the circuit board, and a protection member disposed on the circuit board lead, and the digitizer module and the circuit board module are combined through an anisotropic conductive film, and the buffer member includes a first buffer layer having a first opening and a second buffer layer disposed under the digitizer and overlapping the first non-folded region and the second non-folded region, and a buffer layer having a second opening. In an embodiment, the circuit board leads may extend beyond the protective member, and the circuit board may extend further outward from the circuit board leads. In an embodiment, the protective member may at least partially overlap with the region of the anisotropic conductive film. In an embodiment, the outer end of the protection member may be located in the first opening. In an embodiment, the anisotropic conductive film may be positioned in the first opening in at least a region overlapping the circuit board leads. In an embodiment, the second opening may include a first region overlapping the protective member and a second region adjacent to the first region, and a width of the first region may be greater than a width of the second region. In an embodiment, the anisotropic conductive film may cover at least a portion of the second region. In an embodiment, the outer end of the circuit board is located in the second region or on the second buffer layer. In an embodiment, the outer ends of the circuit board leads correspond to the inner ends of the second regions. According to another aspect of the present disclosure, an electronic device includes an input module, a memory storing at least one program, a processor configured to operate by executing the at least one program, a display device, and a power module configured to supply power to the display device, wherein the processor is further configured to control the input module to acquire data and control the display device to visually display the data, and the display device includes a display module including a first non-folded region, a second non-folded region, and a folded region disposed between th