Touch panel, display device, and electronic apparatus
First Claim
Patent Images
1. A touch panel, comprising:
- a sensor substrate havinga first substrate including an insulating and light transmissive member having a lower side and an upper side opposite to said lower side,a sensor electrode disposed on said upper side of said first substrate in a sensor area, andplural signal wirings disposed on said upper side of said first substrate and electrically connected to said sensor electrode and extending along a periphery of said sensor electrode on said first substrate;
a cover substrate havinga second substrate that is opposed to said first substrate and that has a lower side and an upper side opposite to said lower side, said lower side of said second substrate facing said upper side of said first substrate,one or more conductive layers disposed in a peripheral area that is outside said sensor area, on said lower side of said second substrate without direct contact with said second substrate, anda light blocking layer disposed between said one or more conductive layers and said second substrate; and
a first fixing layer disposed between said sensor substrate and said cover substrate,wherein, when viewed from a direction that is vertical to said first substrate, said second substrate overlaps said first substrate in an overlapping area and does not overlap said first substrate in a non-overlapping area, said overlapping area includes said sensor area, and said peripheral area includes said non-overlapping area and a part of said overlapping area,wherein,said plural signal wirings are disposed in said overlapping area in said peripheral area of said first substrate, andsaid one or more conductive layers are disposed only within said non-overlapping area in said peripheral area of said second substrate, andwherein said one or more conductive layers are applied with a reference voltage supplied directly from outside of said touch panel.
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Abstract
Disclosed herein is a touch panel including: a sensor substrate and a cover substrate stuck to each other. The sensor substrate includes a sensor electrode, and plural signal wirings electrically connected to the sensor electrode and extending along a periphery of the sensor electrode. The cover substrate includes one or plural conductive layers extending along the periphery of the sensor electrode and the plural signal wirings within an area not facing the sensor electrode and the plural signal wirings.
11 Citations
20 Claims
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1. A touch panel, comprising:
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a sensor substrate having a first substrate including an insulating and light transmissive member having a lower side and an upper side opposite to said lower side, a sensor electrode disposed on said upper side of said first substrate in a sensor area, and plural signal wirings disposed on said upper side of said first substrate and electrically connected to said sensor electrode and extending along a periphery of said sensor electrode on said first substrate; a cover substrate having a second substrate that is opposed to said first substrate and that has a lower side and an upper side opposite to said lower side, said lower side of said second substrate facing said upper side of said first substrate, one or more conductive layers disposed in a peripheral area that is outside said sensor area, on said lower side of said second substrate without direct contact with said second substrate, and a light blocking layer disposed between said one or more conductive layers and said second substrate; and a first fixing layer disposed between said sensor substrate and said cover substrate, wherein, when viewed from a direction that is vertical to said first substrate, said second substrate overlaps said first substrate in an overlapping area and does not overlap said first substrate in a non-overlapping area, said overlapping area includes said sensor area, and said peripheral area includes said non-overlapping area and a part of said overlapping area, wherein, said plural signal wirings are disposed in said overlapping area in said peripheral area of said first substrate, and said one or more conductive layers are disposed only within said non-overlapping area in said peripheral area of said second substrate, and wherein said one or more conductive layers are applied with a reference voltage supplied directly from outside of said touch panel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A display device, comprising:
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an image generating device configured to generate an image; a touch panel disposed on a surface of said image generating device; and a controller configured to control said image generating device and said touch panel, said touch panel including; a sensor substrate having a first substrate including an insulating and light transmissive member having a lower side and an upper side opposite to said lower side, a sensor electrode disposed on said upper side of said first substrate in a sensor area, and plural signal wirings disposed on said upper side of said first substrate and electrically connected to said sensor electrode and extending along a periphery of said sensor electrode on said first substrate; a cover substrate having a second substrate that is opposed to said first substrate and that has a lower side and an upper side opposite to said lower side, said lower side of said second substrate facing said upper side of said first substrate, one or more conductive layers disposed in a peripheral area that is outside said sensor area, on said lower side of said second substrate without direct contact with said second substrate, and a light blocking layer disposed between said one or more conductive layers and said second substrate; and a first fixing layer disposed between said sensor substrate and said cover substrate, wherein, when viewed from a direction that is vertical to said first substrate, said second substrate overlaps said first substrate in an overlapping area and does not overlap said first substrate in a non-overlapping area, said overlapping area includes said sensor area, and said peripheral area includes said non-overlapping area and a part of said overlapping area, wherein, said plural signal wirings are disposed in said overlapping area in said peripheral area of said first substrate, and said one or more conductive layers are disposed only within said non-overlapping area in said peripheral area of said second substrate, and wherein said one or more conductive layers are applied with a reference voltage supplied directly from outside of said touch panel. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. An electronic apparatus, comprising:
a display device, including an image generating device configured to generate an image, a touch panel disposed on a surface of said image generating device, and a controller configured to control said image generating device and said touch panel, said touch panel including; a sensor substrate having a first substrate including an insulating and light transmissive member having a lower side and an upper side opposite to said lower side, a sensor electrode disposed on said upper side of said first substrate in a sensor area, and plural signal wirings disposed on said upper side of said first substrate and electrically connected to said sensor electrode and extending along a periphery of said sensor electrode on said first substrate; a cover substrate having a second substrate that is opposed to said first substrate and that has a lower side and an upper side opposite to said lower side, said lower side of said second substrate facing said upper side of said first substrate, one or more conductive layers disposed in a peripheral area that is outside said sensor area, on said lower side of said second substrate without direct contact with said second substrate, and a light blocking layer disposed between said one or more conductive layers and said second substrate; and a first fixing layer disposed between said sensor substrate and said cover substrate, wherein, when view from a direction that is vertical to said first substrate, said second substrate overlaps said first substrate in an overlapping area and does not overlap said first substrate in a non-overlapping area, said overlapping area includes said sensor area, and said peripheral area includes said non-overlapping area and a part of said overlapping area, wherein, said plural signal wirings are disposed in said overlapping area in said peripheral area of said first substrate, and said one or more conductive layers are disposed only within said non-overlapping area in said peripheral area of said second substrate, and wherein said one or more conductive layers are applied with a reference voltage supplied directly from outside of said touch panel. - View Dependent Claims (20)
Specification
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Current AssigneeJapan Display Incorporated
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Original AssigneeJapan Display Incorporated
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InventorsKurashima, Takeshi, Hinata, Shoji
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Primary Examiner(s)Adediran, Abdul-Samad A
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Application NumberUS13/682,273Publication NumberTime in Patent Office2,058 DaysField of Search313504, 345173-174, 349 12, 349139, 349 96, 361816, 178 1806US Class CurrentCPC Class CodesG06F 2203/04103 Manufacturing, i.e. details...G06F 2203/04107 Shielding in digitiser, i.e...G06F 2203/04111 Cross over in capacitive di...G06F 3/041 Digitisers, e.g. for touch ...G06F 3/0445 using two or more layers of...G06F 3/0446 using a grid-like structure...
