Display apparatus
A display apparatus including a display panel having a front surface and a rear surface opposite to the front surface and including a plurality of display pads disposed on the front surface and arranged in one direction, a flexible printed circuit board connected to the display pads and bent toward the rear surface of the display panel along a virtual bending axis extending in the one direction, and a shielding member disposed on the flexible printed circuit board, wherein the flexible printed circuit board includes, based on a point of intersection with the bending axis in the one direction, a first bending region adjacent to the display pads and a second bending region adjacent to the rear surface of the display panel, and the shielding member covers the second bending region.
1. A display apparatus comprising:
a display panel including a front surface and a rear surface opposite to the front surface and including a plurality of display pads disposed on the front surface and arranged in one direction;
a flexible printed circuit board connected to the display pads and bent toward the rear surface of the display panel along a virtual bending axis extending in the one direction;
a shielding member disposed on the flexible printed circuit board; and
a stress relief member connected to a rear surface of the flexible printed circuit board overlapping the first bending region and one side surface adjacent to the display pads of the display panel,
wherein:
the flexible printed circuit board includes, based on a point of intersection with the bending axis in the one direction, a first bending region adjacent to the display pads and a second bending region adjacent to the rear surface of the display panel, and the shielding member covers the second bending region; and
the shielding member includes an adhesion layer which is in contact with the flexible printed circuit board and a fabric layer disposed on the adhesion layer.
2. The display apparatus of claim 1 , wherein the shielding member covers a portion of the first bending region.
3. The display apparatus of claim 2 , wherein in the shielding member, a length of the shielding member covering the portion of the first bending region from a boundary of the first bending region and the second bending region is 300 μm or less.
4. The display apparatus of claim 1 , wherein the shielding member further comprises an adhesive film disposed between the flexible printed circuit board and the adhesion layer, and the adhesive film includes:
a first adhesion layer covering the flexible printed circuit board;
a film layer disposed on the first adhesion layer and including any one of polyimide (PI) and polyethylene terephthalate (PET); and
a second adhesion layer disposed on the film layer.
5. The display apparatus of claim 1 , wherein the flexible printed circuit board comprises a flexible circuit board including a front surface on which the shielding member is disposed and a rear surface opposite to the front surface, and a driving chip mounted on the rear surface of the flexible circuit board.
6. The display apparatus of claim 5 , further comprising a spacer disposed on the rear surface of the flexible circuit board and surrounding the driving chip.
7. The display apparatus of claim 5 , wherein the display panel comprises side surfaces connecting the front surface of the display panel and the rear surface of the display panel, and the display apparatus further comprises, a stress relief member in contact with the rear surface of the flexible printed circuit board overlapping one side surface adjacent to the display pads among the side surfaces and the first bending region.
8. The display apparatus of claim 1 , further comprising a protection member disposed between said display panel and the second bending region.
9. The display apparatus of claim 8 , further comprising a main printed circuit board connected to the second bending region, wherein the main printed circuit board is disposed on the protection member.
10. The display apparatus of claim 1 , wherein the display panel comprises side surfaces connecting the front surface of the display panel and the rear surface of the display panel, and
one side surface among the side surfaces which is adjacent to the display pads includes:
a first inclined surface inclined at a predetermined angle from the front surface of the display panel;
a second inclined surface inclined at a predetermined angle from the rear surface of the display panel; and
a side surface connecting the first inclined surface and the second inclined surface.
11. The display apparatus of claim 1 , wherein the display pads and the flexible circuit board are bonded using an anisotropic conductive film (ACF), and a bonding length of the anisotropic conductive film in a cross direction intersecting the one direction is 150 μm to 250 μm.
12. A display apparatus comprising:
a display panel including a front surface and a rear surface opposite to the front surface and including a plurality of display pads disposed on the front surface and arranged in one direction;
a flexible printed circuit board connected to the display pads and bent toward the rear surface of the display panel with a predetermined radius of curvature;
a shielding member disposed on the flexible printed circuit board; and
a stress relief member connected to a rear surface of the flexible printed circuit board overlapping the first bending region and one side surface adjacent to the display pads of the display panel,
wherein:
the flexible printed circuit board includes, based on a point at which the radius of curvature is smallest, a first bending region adjacent to the display pads and a second bending region adjacent to the rear surface of the display panel, and the shielding member covers the second bending region; and
the shielding member includes an adhesion layer which is in contact with the flexible printed circuit board and a fabric layer disposed on the adhesion layer.
13. The display apparatus of claim 12 , wherein the shielding member covers a portion of the first bending region.
14. The display apparatus of claim 13 , wherein in the shielding member, a length of the shielding member covering the portion of the first bending region from a boundary of the first bending region and the second bending region is 300 μm or less.
15. The display apparatus of claim 12 , wherein the shielding member further comprises an adhesive film disposed between the flexible printed circuit board and the adhesion layer, and the adhesive film includes a first adhesion layer covering the flexible printed circuit board, a film layer disposed on the first adhesion layer and including any one of polyimide (PI) and polyethylene terephthalate (PET), and a second adhesion layer disposed on the film layer.
16. The display apparatus of claim 12 , wherein the flexible printed circuit board comprises a flexible circuit board including a front surface on which the shielding member is disposed and a rear surface opposite to the front surface, and a driving chip mounted on the rear surface of the flexible circuit board.
17. The display apparatus of claim 16 , further comprising a spacer disposed on the rear surface of the flexible circuit board and surrounding the driving chip.
18. The display apparatus of claim 12 , wherein the display pads and the flexible circuit board are bonded using an anisotropic conductive film (ACF), and a bonding length of the anisotropic conductive film in a cross direction intersecting the one direction is 150 μm to 250 μm.