Routing conductors in an integrated display device and sensing device
First Claim
1. An input device including a capacitive sensing device integrated with a display device, the input device comprising:
- a substrate;
a plurality of sensor electrodes of the capacitive sensing device, each of the plurality of sensor electrodes comprising one or more common electrodes of the display device;
a plurality of source lines disposed at least partially in an active portion of the display device; and
a plurality of routing traces, each of the plurality of routing traces uniquely couples a respective one of the plurality of sensor electrodes with a respective bond pad of a plurality of bond pads, wherein the plurality of routing traces includes;
a first routing trace, at least a first portion of the first routing trace being disposed in a first metal layer of the substrate, parallel to a first source line of the plurality of source lines and in the active portion of the display device; and
a second routing trace, a first portion of the second routing trace disposed parallel to the first routing trace in the first metal layer and in the active portion of the display device, a second portion of the second routing trace disposed in a second metal layer of the substrate in an inactive portion of the display device, crossing the first routing trace, and coupled to the first portion through a first via, the second routing trace coupled to a first sensor electrode of the plurality of sensor electrodes through a second via; and
a first bond pad disposed on one of the first metal layer, the second metal layer, and a third metal layer of the substrate, and coupled to the second portion to the second routing trace through a third via in the inactive portion.
2 Assignments
0 Petitions
Accused Products
Abstract
An example display device includes an active portion having a plurality of display electrodes, an inactive portion, a plurality of source lines disposed at least partially in the active portion, and a plurality of routing traces. The routing traces include a first routing trace, at least a first portion thereof being disposed in a first metal layer, parallel to a first source line of the plurality of source lines and in the active portion. The routing traces further include a second routing trace, a first portion thereof disposed parallel to the first routing trace in the first metal layer and in the active portion, a second portion of the second routing trace disposed in a second metal layer in the inactive portion and crossing the first routing trace, the second routing trace coupled to a first display electrode of the plurality of display electrodes through a first via.
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Citations
24 Claims
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1. An input device including a capacitive sensing device integrated with a display device, the input device comprising:
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a substrate; a plurality of sensor electrodes of the capacitive sensing device, each of the plurality of sensor electrodes comprising one or more common electrodes of the display device; a plurality of source lines disposed at least partially in an active portion of the display device; and a plurality of routing traces, each of the plurality of routing traces uniquely couples a respective one of the plurality of sensor electrodes with a respective bond pad of a plurality of bond pads, wherein the plurality of routing traces includes; a first routing trace, at least a first portion of the first routing trace being disposed in a first metal layer of the substrate, parallel to a first source line of the plurality of source lines and in the active portion of the display device; and a second routing trace, a first portion of the second routing trace disposed parallel to the first routing trace in the first metal layer and in the active portion of the display device, a second portion of the second routing trace disposed in a second metal layer of the substrate in an inactive portion of the display device, crossing the first routing trace, and coupled to the first portion through a first via, the second routing trace coupled to a first sensor electrode of the plurality of sensor electrodes through a second via; and a first bond pad disposed on one of the first metal layer, the second metal layer, and a third metal layer of the substrate, and coupled to the second portion to the second routing trace through a third via in the inactive portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 24)
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13. A display device, comprising:
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a substrate having metal layers disposed thereon; an active portion having a plurality of display electrodes; an inactive portion; a plurality of source lines disposed at least partially in the active portion; and a plurality of routing traces, each of the plurality of routing traces uniquely couples a respective one of a plurality of sensor electrodes with a respective bond pad of a plurality of bond pads disposed on one of the metal layers, wherein the plurality of routing traces includes; a first routing trace, at least a first portion of the first routing trace being disposed in a first metal layer of the metal layers, parallel to a first source line of the plurality of source lines and in the active portion; and a second routing trace, a first portion of the second routing trace disposed parallel to the first routing trace in the first metal layer and in the active portion, a second portion of the second routing trace disposed in a second metal layer of the metal layers in the inactive portion, crossing the first routing trace, and coupled to the first portion through a first via, the second routing trace coupled to a first display electrode of the plurality of display electrodes through a first via, wherein a first bond pad of the plurality of bond pads is coupled to the second portion of the second routing trace through a third via in the inactive portion. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A processing system for a capacitive sensing device and display device, the processing system comprising:
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source drivers configured for driving a plurality of source lines disposed at least partially in an active portion of the display device; and sensor circuitry configured to be coupled to a plurality of sensor electrodes of the capacitive sensing device through a plurality of routing traces, each of the plurality of sensor electrodes comprising one or more common electrodes of the display device, each of the plurality of routing traces uniquely couples a respective one of the plurality of sensor electrodes with a respective bond pad of a plurality of bond pads, wherein the plurality of routing traces includes; a first routing trace, at least a first portion of the first routing trace being disposed in a first metal layer of a substrate, parallel to a first source line of the plurality of source lines and in the active portion of the display device; a second routing trace, a first portion of the second routing trace disposed parallel to the first routing trace in the first metal layer and in the active portion of the display device, a second portion of the second routing trace disposed in a second metal layer of the substrate in an inactive portion of the display device, crossing the first routing trace, and coupled to the first portion through a first via the second routing trace coupled to a first sensor electrode of the plurality of sensor electrodes through a second via, the second portion of the second routing trace is coupled to a first bond pad through a third via in the inactive portion, wherein the first bond pad is disposed on one of the first metal layer, the second metal layer, and a third metal layer of the substrate. - View Dependent Claims (21, 22, 23)
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Specification