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EP-4343846-B1 - ELECTRONIC DEVICE

EP4343846B1EP 4343846 B1EP4343846 B1EP 4343846B1EP-4343846-B1

Inventors

  • KIM, HUN-TAE

Dates

Publication Date
20260506
Application Date
20220517

Claims (20)

  1. An electronic device (ED) comprising: a display module (DM) comprising a display panel (DP) comprising a first area (A1) in which a pixel (PX) is disposed, a second area (A2) adjacent to the first area (A1) and bent with respect to an imaginary axis extending in a first direction (DR1), a data line (DL) connected to the pixel (PX), and a first line (CT-L) insulated from the pixel (PX), an optical film (LF) overlapping at least a portion of the first area (A1), and a bending cover layer (BPL) overlapping at least a portion of the second area (A2); and a window module (WM) disposed on the display module (DM) and comprising a glass substrate (UT) and a window protective layer (PF) comprising a cover portion (CV) disposed on the glass substrate (UT) and a protrusion portion (PM) protruding from the cover portion (CV) to a second direction (DR2) crossing the first direction (DR1), wherein an end of the optical film (LF) and an end of the bending cover layer (BPL), which faces the end of the optical film (LF), define a separation area (SS), the data line (DL) and the first line (CT-L) overlap the separation area (SS) when viewed in a plane, and the protrusion portion (PM) overlaps the first line (CT-L) in the separation area (SS) when viewed in a plane.
  2. The electronic device (ED) of claim 1, further comprising a second line (PL2) overlapping the separation area (SS) and applying a power voltage to the pixel (PX), wherein the second line (PL2) has a resistance higher than a resistance of the first line (CT-L).
  3. The electronic device (ED) of claim 2, wherein the display module (DM) further comprises an input sensing panel (IS) disposed on the display panel (DP) and comprising a sensing electrode (TE1, TE2), a sensing line (TL1, TL2, TL3) connected to the sensing electrode (TE1, TE2), and a crack sensing line (HCC) insulated from the sensing electrode (TE1, TE2), and the crack sensing line (HCC) is connected to the first line (CT-L) via a contact hole (CN-H1, CN-H2) defined through the display panel (DP) and the input sensing panel (IS).
  4. The electronic device (ED) of claim 3, wherein the first area (A1) of the display module (DM) comprises: an active area (AA) to which a light generated by the display panel (DP) is provided and in which an external input is sensed by the input sensing panel (IS); and a peripheral area (NAA) adjacent to the active area (AA), and the display module (DM) is provided with a hole (HL) overlapping the active area (AA) and penetrating through the display panel (DP) and the input sensing panel (IS).
  5. The electronic device (ED) of claim 4, wherein a portion of the crack sensing line (HCC) overlaps the peripheral area (NAA), and the other portion of the crack sensing line (HCC) extends to the active area (AA) to surround at least a portion of the hole (HL).
  6. The electronic device (ED) of claim 4, wherein the display module (DM) comprises: a folding area (FA) folded with respect to a folding axis (FX) extending in the first direction (DR1); and first and second non-folding areas (NFA1, NFA2) spaced apart from each other with the folding area (FA) interposed therebetween in the second direction (DR2), the first area (A1) comprises the first non-folding area (NFA1), the folding area (FA), and a portion of the second non-folding area (NFA2), and the second area (A2) comprises the other portion of the second non-folding area (NFA2).
  7. The electronic device (ED) of claim 2, wherein the second line (PL2) is spaced apart from the data line (DL) with the first line (CT-L) interposed therebetween and is disposed closer to an outer position of the second area (A2) than the first line (CT-L) is.
  8. The electronic device (ED) of claim 1, wherein the protrusion portion (PM) overlaps a portion of the bending cover layer (BPL) in a plane.
  9. The electronic device (ED) of claim 1, wherein the protrusion portion (PM) comprises a first pattern (P1) and a second pattern (P2) spaced apart from the first pattern (P1) in the first direction (DR1).
  10. The electronic device (ED) of claim 1, wherein the protrusion portion (PM) has one of a quadrangular shape, a trapezoidal shape, and a shape including a curve form.
  11. The electronic device (ED) of claim 1, wherein the window protective layer (PF) comprises a light blocking pattern (BP) disposed along an edge of the cover portion (CV).
  12. The electronic device (ED) of claim 11, wherein the cover portion (CV) further comprises: a first cover portion (C1) overlapping a border of the light blocking pattern (BP); and a second cover portion (C2) disposed between the first cover portion (C1) and the protrusion portion (PM), and the second cover portion (C2) does not overlap the light blocking pattern (BP).
  13. The electronic device (ED) of claim 1, further comprising: a panel protective layer (PPL) disposed under the display module (DM); a barrier layer (BRL) disposed under the panel protective layer (PPL); a support layer (PLT) disposed under the barrier layer (BRL); a protective layer (SCV) disposed under the support layer (PLT); and a heat dissipation layer (EMS) disposed under the protective layer (SCV).
  14. The electronic device (ED) of claim 13, wherein the display module (DM) comprises a folding area (FA) defined in the first area (A1) and folded with respect to a folding axis (FX) extending in the first direction (DR1) and non-folding areas (NFA1, NFA2) spaced apart from each other with the folding area (FA) interposed therebetween in the second direction (DR2), the heat dissipation layer (EMS) comprises flat portions (EF1, EF2) overlapping the non-folding areas (NFA1, NFA2) and a rolling portion (ER) disposed between the flat portions (EF1, EF2), and the rolling portion (ER) is unfolded when the display module (DM) is in a folded state and is rolled in a predetermined direction when the display module (DM) is in an unfolded state.
  15. The electronic device (ED) of claim 14, further comprising metal plates (MP) disposed under the heat dissipation layer (EMS), wherein the metal plates (MP) are spaced apart from each other with the rolling portion (ER) interposed therebetween in the second direction (DR2).
  16. The electronic device (ED) of claim 15, further comprising a gap tape (TP) disposed between the protective layer (SCV) and the metal plates (MP) to compensate for a step difference of the heat dissipation layer (EMS).
  17. The electronic device (ED) of claim 15, further comprising a circuit board (FCB) connected to the pixel (PX), wherein the circuit board (FCB) is connected to an end of the second area (A2) spaced apart from the first area (A1) of the display panel (DP) and is bent to a direction toward the metal plates (MP) with the second area (A2) of the display panel (DP).
  18. An electronic device (ED) comprising: a display module (DM) comprising a display panel (DP) comprising a first area (A1) comprising an active area (AA) in which a pixel (PX) is disposed and a peripheral area (NAA) adjacent to the active area (AA) and a second area (A2) adjacent to the first area (A1) and bent with respect to an imaginary axis, a first line (CT-L) insulated from the pixel (PX), and a second line (PL2) connected to the pixel (PX) and a bending cover layer (BPL) overlapping at least a portion of the second area (A2); a window module (WM) disposed on the display module (DM) and comprising a glass substrate (UT) and a window protective layer (PF) comprising a cover portion (CV) disposed on the glass substrate (UT) and a protrusion portion (PM) protruding from the cover portion (CV) to a second direction (DR2) crossing a first direction (DR1); and an adhesive layer (AL3) overlapping at least a portion of the first area (A1) and disposed between the window module (WM) and the display module (DM), wherein an end of the adhesive layer (AL3) and an end of the bending cover layer (BPL), which faces the end of the adhesive layer (AL3), define a separation area (SS), the first line (CT-L) has a resistance lower than a resistance of the second line (PL2), the first line (CT-L) and the second line (PL2) overlap the separation area (SS) when viewed in a plane, and the protrusion portion (PM) overlaps the first line (CT-L) and the second line (PL2) in the separation area (SS).
  19. The electronic device (ED) of claim 18, wherein the display module (DM) comprises a data line (DL) connected to the pixel (PX) and spaced apart from the second line (PL2) with the first line (CT-L) interposed therebetween.
  20. The electronic device (ED) of claim 18, wherein the display module (DM) further comprises an input sensing panel (IS) disposed on the display panel (DP) and comprising a sensing electrode (TE1, TE2) overlapping the active area (AA), a sensing line (TL1, TL2, TL3) overlapping the peripheral area (NAA) and connected to the sensing electrode (TE1, TE2), and a crack sensing line (TL1, TL2, TL3) insulated from the sensing electrode (TE1, TE2), and the crack sensing line (TL1, TL2, TL3) is connected to the first line (CT-L) via a contact hole (CN-H1, CN-H2) overlapping the peripheral area (NAA) and defined through the display panel (DP) and the input sensing panel (IS).

Description

The present invention relates to a foldable electronic device. [Background Art] An electronic device includes an active area activated in response to an electrical signal. The electronic device senses an input applied thereto from the outside through the active area and displays various images to provide a user with information. In recent years, as electronic devices having a variety of shapes are being developed, the active area is implemented in various shapes. Reference is made to US 2019/339741 A1, which discloses a foldable display device. [Technical Problem] The present invention provides a foldable electronic device including an upper member that blocks a path of static electricity flowing in from the outside. [Technical Solution] The invention is defined by the independent claims. An embodiment of the inventive concept provides an electronic device including a display module including a display panel including a first area in which a pixel is disposed, a second area adjacent to the first area and bent with respect to an imaginary axis extending in a first direction, a data line connected to the pixel, and a first line insulated from the pixel, an optical film overlapping at least a portion of the first area, and a bending cover layer overlapping at least a portion of the second area and a window module disposed on the display module and including a glass substrate and a window protective layer including a cover portion disposed on the glass substrate and a protrusion portion protruding from the cover portion to a second direction crossing the first direction. An end of the optical film and an end of the bending cover layer, which faces the end of the optical film, define a separation area, the data line and the first line overlap the separation area when viewed in a plane, and the protrusion portion overlaps the first line in the separation area when viewed in a plane. The electronic device further includes a second line overlapping the separation area and applying a power voltage to the pixel, and the second line has a resistance higher than a resistance of the first line. The display module further includes an input sensing panel disposed on the display panel and including a sensing electrode, a sensing line connected to the sensing electrode, and a crack sensing line insulated from the sensing electrode, and the crack sensing line is connected to the first line via a contact hole defined through the display panel and the input sensing panel. The first area of the display module includes an active area to which a light generated by the display panel is provided and in which an external input is sensed by the input sensing panel and a peripheral area adjacent to the active area, and the display module is provided with a hole overlapping the active area and penetrating through the display panel and the input sensing panel. A portion of the crack sensing line overlaps the peripheral area, and the other portion of the crack sensing line extends to the active area to surround at least a portion of the hole. The display module includes a folding area folded with respect to a folding axis extending in the first direction and first and second non-folding areas spaced apart from each other with the folding area interposed therebetween in the second direction, the first area includes the first non-folding area, the folding area, and a portion of the second non-folding area, and the second area includes the other portion of the second non-folding area. The second line is spaced apart from the data line with the first line interposed therebetween and is disposed closer to an outer position of the second area than the first line is. The protrusion portion overlaps a portion of the bending cover layer in a plane. The protrusion portion includes a first pattern and a second pattern spaced apart from the first pattern in the first direction. The protrusion portion has one of a quadrangular shape, a trapezoidal shape, and a shape including a curve form. The window protective layer includes a light blocking pattern disposed along an edge of the cover portion. The cover portion further includes a first cover portion overlapping a border of the light blocking pattern and a second cover portion disposed between the first cover portion and the protrusion portion, and the second cover portion does not overlap the light blocking pattern. The electronic device further includes a panel protective layer disposed under the display module, a barrier layer disposed under the panel protective layer, a support layer disposed under the barrier layer, a protective layer disposed under the support layer, and a heat dissipation layer disposed under the protective layer. The display module includes a folding area defined in the first area and folded with respect to a folding axis extending in the first direction and non-folding areas spaced apart from each other with the folding area interposed therebetween in the second direction, t