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KR-20260062788-A - ELECTRONIC DEVICE INCLUDING DISPLAY

KR20260062788AKR 20260062788 AKR20260062788 AKR 20260062788AKR-20260062788-A

Abstract

According to one embodiment of the present disclosure, an electronic device comprises: a housing forming at least a portion of the exterior of the electronic device; a display panel disposed on the housing, the display panel comprising a first planar portion visible through the front of the electronic device, a bending portion extending from the first planar portion and at least partially bent, and a second planar portion extending from the bending portion and disposed below the first planar portion; a display driving integrated circuit disposed on one surface of the second planar portion facing the rear of the electronic device; and a flexible printed circuit board electrically connected to the second planar portion and disposed to cover the display driving integrated circuit, wherein the flexible printed circuit board comprises: a base part comprising at least one base conductive layer; and a first part positioned between the base part and the second planar portion and comprising one or more first conductive layers. The extension layer among the one or more first conductive layers of the first part may be extended to protrude along the second planar portion relative to the remaining first conductive layers of the first part and may be electrically connected to the second planar portion. Various other embodiments may be possible.

Inventors

  • 이영선
  • 김태식
  • 송권호
  • 송용재
  • 장창원
  • 장현수
  • 조치현

Assignees

  • 삼성전자주식회사

Dates

Publication Date
20260507
Application Date
20250325
Priority Date
20241029

Claims (20)

  1. In the electronic device (101), A housing (201) forming at least a part of the exterior of the electronic device (101); A display panel (312) disposed on the housing (201), comprising: a first planar portion (3121) visible through the front of the electronic device (101); a bending portion (3123) extending from the first planar portion (3121) and at least partially bent; and a second planar portion (3122) extending from the bending portion (3123) and disposed below the first planar portion (3121); A display driving integrated circuit (320) disposed on one side of the second planar portion (3122) facing the rear of the electronic device (101); and It includes a flexible printed circuit board (400) electrically connected to the second planar portion (3122) and positioned to cover the display driving integrated circuit (320), and The above flexible printed circuit board (400) is, A base part (403) comprising at least one base conductive layer (414, 415); and A first part (401) positioned between the base part (403) and the second planar part (3122) and comprising one or more first conductive layers (411, 412, 413); comprising An extension layer (411, 4111) of one or more first conductive layers (411, 412, 413) of the first part (401) is extended to protrude along the second planar portion (3122) relative to the remaining first conductive layers (412, 413) of the first part (401), and an electronic device (101) electrically connected to the second planar portion (3122).
  2. In Article 1, The flexible printed circuit board (400) further includes a recess (450) recessed from one side of the first part (401) connected to the second planar portion (3122), and The above display driving integrated circuit (320) is an electronic device (101) that is at least partially housed in the recess (450).
  3. In Article 1 or Article 2, An electronic device (101) comprising a second part (402) positioned between the base part (403) and the rear surface of the electronic device (101) and comprising one or more second conductive layers (416, 417, 418).
  4. In any one of paragraphs 1 to 3, The flexible printed circuit board (400) further includes shielding members (451, 452, 453) disposed on the side or bottom surface of the recess (450) and arranged to surround the display driving integrated circuit (320). The shielding members (451, 452, 453) include a plating layer, An electronic device (101) in which an air gap is formed between the shielding members (451, 452, 453) and the display driving integrated circuit (320).
  5. In any one of paragraphs 1 to 4, The shielding members (451a, 452a, 453a) are, A shielding sheet (451a) disposed on the bottom surface of the above recess (450); An electronic device (101) comprising conductive vias (452a, 453a) disposed on the side of the recess (450) and electrically connected to one or more first conductive layers (411, 412, 413) of the first part (401).
  6. In any one of paragraphs 1 to 5, The above conductive vias (452a, 453a) are, A first conductive ground via (452a) disposed adjacent to the first side of the recess (450) and electrically connected to one or more first conductive layers (411, 412, 413) of the first part (401); and An electronic device (101) comprising a second conductive ground via (453a) disposed adjacent to a second side of the recess (450) and electrically connected to one or more first conductive layers (411, 412, 413) of the first part (401).
  7. In any one of paragraphs 1 through 6, The above extension layer (4111) is an electronic device (101) which is the first conductive layer (411) closest to the second planar portion (3122) among the one or more first conductive layers (411, 412, 413).
  8. In any one of paragraphs 1 through 7, An electronic device (101) further comprising a conductive film layer (460) disposed between the extension layer (4111) and the second planar portion (3122) and connected to the extension layer (4111) and the second planar portion (3122).
  9. In any one of paragraphs 1 through 8, It further includes an adhesive member (406) disposed between the flexible printed circuit board (400) and the second flat portion (3122) and bonded to the flexible printed circuit board (400) and the second flat portion (3122). The thickness of the conductive film layer (4601) is thinner than the thickness of the adhesive member (406) of the electronic device (101).
  10. In any one of paragraphs 1 through 9, An electronic device (101) further comprising a battery (203) housed in the housing (201) and positioned in a first direction toward the second planar portion (3122) from the first planar portion (3121) so as not to overlap with the flexible printed circuit board (400).
  11. In any one of paragraphs 1 through 10, The above base part (403) is, It further includes a non-conductive substrate (424), The one or more first base conductive layers (414, 415) of the base part (403) are, A first metal layer (414) disposed on one surface of the above-mentioned non-conductive substrate (424) and comprising a metal material; and An electronic device (101) comprising a second metal layer (415) comprising a metal material disposed on the other side of the above-mentioned non-conductive substrate (424).
  12. In any one of paragraphs 1 through 11, The above housing (1202) includes a first housing portion (1210) and a second housing portion (1220) rotatably connected to the first housing portion (1210). The display panel (1230) is disposed in the first housing portion (1210) and the second housing portion (1220) and is configured to be at least partially folded or unfolded with respect to a folding axis. A portion of the extension layer (411, 4111) connected to the second planar portion (3122) is an electronic device (101) parallel to the folding axis.
  13. In any one of paragraphs 1 through 12, The above housing (201) is, It includes a first housing (210), a second housing (220) rotatably connected to the first housing (210), a third housing (230) rotatably connected to the first housing (210), a first hinge (270) disposed between the first housing (210) and the second housing (220), and a second hinge (280) disposed between the second housing (220) and the third housing (230). The first planar portion of the display (202) is positioned on the first housing (210), the second housing (220), the third housing (230), the first hinge (270), and the second hinge (280), and The second planar portion of the display (202), the display driving integrated circuit (320), and the flexible printed circuit board (400, 600) are an electronic device (101) housed in the second housing (220).
  14. In any one of paragraphs 1 through 13, It further includes a printed circuit board (700) that is housed in the second housing (220) and includes an application processor (120), and The above flexible printed circuit board (400, 600) is an electronic device (101) connected to the printed circuit board (700) within the second housing (220).
  15. In any one of paragraphs 1 through 14, It further includes a printed circuit board (700a) that is housed in the third housing (230) and includes an application processor (120), and The flexible printed circuit board (400, 600) is arranged to span the second housing (220), the first hinge (270), the first housing (210), the second hinge (280), and the third housing (230), and is connected to the printed circuit board (700a) within the third housing (230) in an electronic device (101).
  16. In the electronic device (101), A housing (201) forming at least a part of the exterior of the electronic device (101); A display panel (312) disposed on the housing (201), comprising: a first planar portion (3121) visible through the front of the electronic device (101); a bending portion (3123) extending from the first planar portion (3121) and at least partially bent; and a second planar portion (3122) extending from the bending portion (3123) and disposed below the first planar portion (3121); A display driving integrated circuit (320) disposed on one side of the second planar portion (3122) facing the rear of the electronic device (101); and It includes a flexible printed circuit board (400) that is electrically connected to the second planar portion (3122) and surrounds the display driving integrated circuit (320), and The above flexible printed circuit board (400) is, An electronic device (101) comprising a recess (450) that is recessed from one side of the flexible printed circuit board (400) and accommodates at least a portion of the display driving integrated circuit (320).
  17. In Article 16, The above recess (450) is, An electronic device (101) formed on one surface of the flexible printed circuit board (400) in contact with the second planar portion (3122).
  18. In Article 16 or Article 17, An electronic device (101) further comprising shielding members (451, 452, 453) disposed on at least one surface of the recess (450).
  19. In any one of paragraphs 16 through 18, The above flexible printed circuit board (400) is, It includes an extension layer (411, 4111), The above extension layer (411, 4111) extends so as to protrude relative to other adjacent layers and is an electronic device (101) electrically connected to the second planar portion (3122).
  20. In any one of paragraphs 16 through 19, An electronic device (101) further comprising a conductive film layer (460) disposed between the extension layer (411, 4111) and the second planar portion (3122).

Description

Electronic device including display The present disclosure relates to an electronic device including a display. Driven by the remarkable advancements in information and communication technology and semiconductor technology, the distribution and use of various electronic devices are increasing rapidly. Electronic devices are being developed to enable portable communication. The term "electronic device" refers to a device that performs specific functions according to an installed program, ranging from home appliances to electronic notebooks, portable multimedia players, mobile communication terminals, tablet PCs, video/audio devices, desktop/laptop computers, or in-vehicle navigation systems. For example, these electronic devices can output stored information as sound or video. As the integration density of electronic devices increases and ultra-high-speed, high-capacity wireless communication becomes commonplace, various functions can be integrated into a single electronic device, such as a mobile communication terminal. For instance, not only communication functions but also entertainment functions like games, multimedia functions like music/video playback, communication and security functions like mobile banking, or functions such as schedule management and electronic wallets are being integrated into a single electronic device. These electronic devices are being miniaturized to allow users to carry them conveniently. The information described above may be provided as related art for the purpose of aiding understanding of the present disclosure. No claim or determination is made as to whether any of the foregoing may be applied as prior art related to the present disclosure. The aspects, configurations, and/or advantages described above regarding one embodiment of the present disclosure may become more apparent from the following detailed description with reference to the accompanying drawings. FIG. 1 is a block diagram of an electronic device in a network environment according to various embodiments. FIG. 2 is a perspective view of an electronic device according to one embodiment of the present disclosure in an unfolded state. FIG. 3 is a perspective view of an electronic device according to one embodiment of the present disclosure in an unfolded state. FIG. 4 is a perspective view of an electronic device in a folded state according to one embodiment of the present disclosure. FIG. 5 is a perspective view of an electronic device in a folded state according to one embodiment of the present disclosure. FIG. 6 is an exploded perspective view of an electronic device according to one embodiment of the present disclosure. FIG. 7 is a plan view showing a display panel according to one embodiment of the present disclosure. FIG. 8 is a cross-sectional view taken along the line AA' of FIG. 7 according to one embodiment of the present disclosure. FIG. 9 is a cross-sectional view showing a display panel and a flexible printed circuit board according to one embodiment of the present disclosure. FIG. 10 is a schematic diagram illustrating a plating process for forming a shielding member according to one embodiment of the present disclosure. FIG. 11a is a cross-sectional view showing a flexible printed circuit board and a display panel according to one embodiment of the present disclosure. FIG. 11b is a cross-sectional view showing a flexible printed circuit board and a display panel according to one embodiment of the present disclosure. FIG. 12 is a cross-sectional view of a flexible printed circuit board according to one embodiment of the present disclosure. FIG. 13 is a schematic diagram illustrating the configurations of a flexible printed circuit board according to one embodiment of the present disclosure. FIG. 14 is a cross-sectional view of a multi-foldable electronic device according to one embodiment of the present disclosure. FIG. 15 is a cross-sectional view of a multi-foldable electronic device according to one embodiment of the present disclosure. FIG. 16 is a drawing illustrating an unfolded state of an electronic device according to one embodiment of the present disclosure. FIG. 17 is a drawing illustrating a folded state of an electronic device according to one embodiment of the present disclosure. FIG. 18 is an exploded perspective view of an electronic device according to one embodiment of the present disclosure. FIG. 19 is a plan view of a display panel according to one embodiment of the present disclosure. FIG. 20 is a cross-sectional view taken along the line BB' of FIG. 19 according to one embodiment of the present disclosure. FIG. 21 is a plan view illustrating the internal appearance of an electronic device according to one embodiment of the present disclosure. FIG. 22 is a cross-sectional view taken along the C-C' and D-D' lines of FIG. 21 according to one embodiment of the present disclosure. Throughout the attached drawings, similar parts, configurations, and/or structures may be assigned simi