Touch sensing type liquid crystal display device and method of fabricating the same
First Claim
Patent Images
1. A capacitive touch sensing type liquid crystal display device, comprising:
- an array substrate including a first substrate, a gate line, a data line, a common electrode, a pixel electrode, and a touch sensing unit including an X direction sensing line extending along a direction of the gate line and a Y direction sensing line extending along a direction of the data line;
a color filter substrate including a second substrate and facing the array substrate;
an anti-static layer on an outer side of the second substrate and including a conductive polymer, a UV-setting binder and transparent silica and having a sheet resistance of several tens of Mega ohms per square (Ω
/sq) to several Giga ohms per square (Ω
/sq); and
a liquid crystal layer between the first substrate and an inner side of the second substrate,wherein the X direction sensing line overlaps the gate line, and the Y direction sensing line overlaps the data line, and the X direction sensing line and the Y direction sensing line are formed on the common electrode, and wherein the X direction sensing line and the Y direction sensing line are configured to sense a change of capacitance between the common electrode and an object touching the anti-static layer.
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Abstract
A touch sensing type liquid crystal display device includes an array substrate including a first substrate, a common electrode, a pixel electrode, and a touch sensing unit; a color filter substrate including a second substrate and facing the array substrate; an anti-static layer on an outer side of the second substrate and including a conductive polymer, a UV-setting binder and transparent silica and having a sheet resistance of several tens of Mega ohms per square (Ω/sq) to several Giga ohms per square (Ω/sq); and a liquid crystal layer between the first substrate and an inner side of the second substrate.
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Citations
50 Claims
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1. A capacitive touch sensing type liquid crystal display device, comprising:
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an array substrate including a first substrate, a gate line, a data line, a common electrode, a pixel electrode, and a touch sensing unit including an X direction sensing line extending along a direction of the gate line and a Y direction sensing line extending along a direction of the data line; a color filter substrate including a second substrate and facing the array substrate; an anti-static layer on an outer side of the second substrate and including a conductive polymer, a UV-setting binder and transparent silica and having a sheet resistance of several tens of Mega ohms per square (Ω
/sq) to several Giga ohms per square (Ω
/sq); anda liquid crystal layer between the first substrate and an inner side of the second substrate, wherein the X direction sensing line overlaps the gate line, and the Y direction sensing line overlaps the data line, and the X direction sensing line and the Y direction sensing line are formed on the common electrode, and wherein the X direction sensing line and the Y direction sensing line are configured to sense a change of capacitance between the common electrode and an object touching the anti-static layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A capacitive touch sensing type liquid crystal display device, comprising:
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an array substrate including a first substrate, a gate line, a data line, a common electrode, a pixel electrode, and a touch sensing unit including an X direction sensing line extending along a direction of the gate line and a Y direction sensing line extending along a direction of the data line; a color filter substrate including a second substrate and facing the array substrate; an anti-static layer on an outer side of the second substrate and including one of a conductive polymer or a conductive inorganic material and a thermo-setting binder and having a sheet resistance of several tens Mega ohms per square (a/sq) to several hundreds Mega ohms per square (Ω
/sq); anda liquid crystal layer between the first substrate and an inner side of the second substrate, wherein the X direction sensing line overlaps the gate line, and the Y direction sensing line overlaps the data line, and the X direction sensing line and the Y direction sensing line are formed on the common electrode, and wherein the X direction sensing line and the Y direction sensing line are configured to sense a change of capacitance between the common electrode and an object touching the anti-static layer. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. A capacitive touch sensing type liquid crystal display device, comprising:
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an array substrate including a first substrate, a gate lien, a data line, a common electrode, a pixel electrode, and a touch sensing unit including an X direction sensing line extending along a direction of the gate line and a Y direction sensing line extending along a direction of the data line; a color filter substrate including a second substrate and facing the array substrate; an anti-static layer on an outer side of the second substrate and including a conductive polymer, one of a UV-setting binder and a thermo-setting binder, and a stabilizer and having a sheet resistance of several tens Mega ohms per square (Ω
/sq) to several Giga ohms per square (Ω
/sq); anda liquid crystal layer between the first substrate and an inner side of the second substrate, wherein the X direction sensing line overlaps the gate line, and the Y direction sensing line overlaps the data line, and the X direction sensing line and the Y direction sensing line are formed on the common electrode, and wherein the X direction sensing line and the Y direction sensing line are configured to sense a change of capacitance between the common electrode and an object touching the anti-static layer. - View Dependent Claims (36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)
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Specification