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US 11,538,887 B2Granted
Display device and method of manufacturing the same
AssigneeSamsung Display Co., Ltd.
InventorsJong Man Bae, Se Hun Park, Chang Mo Park, So Yeon Joo
Life of this patent
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Abstract
A display device includes: a display substrate including a display area and a pad area disposed around the display area; a signal wiring disposed over the display area and the pad area on the display substrate; at least one wiring pad including: a pad pattern portion disposed on the pad area of the display substrate and electrically connected to the signal wiring; and a separation pattern portion separated from the pad pattern portion by a separation space; and a printed circuit board attached to the pad area of the display substrate, the printed circuit board including a lead wiring connected to the at least one wiring pad.
Claims15
A display device comprising:
- a display substrate comprising a display area and a pad area disposed around the display area;
- a signal wiring disposed over the display area and the pad area on the display substrate;
- at least one wiring pad comprising:
- a pad pattern portion disposed on the pad area of the display substrate, the pad pattern portion electrically connected to the signal wiring;
- and
- a separation pattern portion separated from the pad pattern portion by a separation space;
- and
- a printed circuit board attached to the pad area of the display substrate, the printed circuit board comprising a lead wiring connected to the at least one wiring pad,
- wherein:
- the separation pattern portion is not directly connected to the pad pattern portion;
- the pad pattern portion overlaps the signal wiring in a plan view;
- the separation pattern portion is insulated from the signal wiring;
- and
- the separation pattern portion overlaps the signal wiring in the plan view.
11 more elements
A display device comprising:
- a display substrate comprising a display area and a pad area disposed around the display area;
- a signal wiring disposed over the display area and the pad area on the display substrate;
- at least one wiring pad comprising:
- a pad pattern portion disposed on the pad area of the display substrate, the pad pattern portion electrically connected to the signal wiring;
- and
- a separation pattern portion separated from the pad pattern portion by a separation space;
- a printed circuit board attached to the pad area of the display substrate, the printed circuit board comprising a lead wiring connected to the at least one wiring pad;
- and
- a pad protection layer disposed in the separation space between the pad pattern portion and the separation pattern portion,
- wherein the separation pattern portion is separated from the pad pattern portion along a first direction,
- wherein the first direction intersects a direction from an end portion of the pad area toward the display area, and
- wherein a width of the pad pattern portion in the first direction is larger than a width of the separation pattern portion in the first direction.
9 more elements
A display device comprising:
- a display substrate comprising a display area and a pad area disposed around the display area;
- a signal wiring disposed over the display area and the pad area on the display substrate;
- at least one wiring pad comprising:
- a pad pattern portion disposed on the pad area of the display substrate, the pad pattern portion electrically connected to the signal wiring;
- and
- a separation pattern portion separated from the pad pattern portion by a separation space;
- a printed circuit board attached to the pad area of the display substrate, the printed circuit board comprising a lead wiring connected to the at least one wiring pad;
- and
- a pad protection layer disposed in the separation space between the pad pattern portion and the separation pattern portion,
- wherein the separation pattern portion is separated from the pad pattern portion along a first direction, and
- wherein the at least one wiring pad further comprises an edge pattern portion having a rectangular frame shape to surround the pad pattern portion and the separation pattern portion in a plan view.
8 more elements
A display device comprising:
- a display substrate comprising a display area and a pad area disposed around the display area;
- a signal wiring disposed over the display area and the pad area on the display substrate;
- at least one wiring pad comprising:
- a pad pattern portion disposed on the pad area of the display substrate, the pad pattern portion electrically connected to the signal wiring;
- and
- a separation pattern portion separated from the pad pattern portion by a separation space;
- a printed circuit board attached to the pad area of the display substrate, the printed circuit board comprising a lead wiring connected to the at least one wiring pad;
- and
- a pad protection layer disposed in the separation space between the pad pattern portion and the separation pattern portion,
- wherein the separation pattern portion is separated from the pad pattern portion along a first direction,
- wherein the at least one wiring pad comprises a first wiring pad and a second wiring pad separated from each other, and
- wherein the pad protection layer is further disposed between the first wiring pad and the second wiring pad in a plan view,
- wherein the display device further comprises a via layer disposed between the first wiring pad and the second wiring pad on the display substrate, and
- wherein the pad protection layer overlaps the via layer.
11 more elements
Dependencies are inferred from the claim text.