POLARIZER, DISPLAY PANEL HAVING THE SAME AND METHOD OF MANUFACTURING THE SAME
First Claim
Patent Images
1. A polarizer comprising:
- a substrate;
a first metal layer disposed on the substrate, the first metal layer comprising a first metal material and a plurality of protrusions of a wire grid pattern of the polarizer, wherein each protrusion has a first width and adjacent protrusions are spaced apart from each other by a second width; and
a second metal layer disposed on each of the protrusions of the first metal layer, and comprising a second metal material, the second metal material comprising molybdenum (Mo), titanium (Ti), or molybdenum (Mo) and titanium (Ti).
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Abstract
A polarizer includes a substrate, and a first metal layer and a second metal layer disposed on the substrate. The first metal layer includes a plurality of protrusions of a wire grid pattern. Each protrusion has a first width and adjacent protrusions are spaced apart by a second width. The second metal layer is disposed on each of the protrusions of the first metal layer, and includes molybdenum (Mo) and/or titanium (Ti).
26 Citations
20 Claims
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1. A polarizer comprising:
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a substrate; a first metal layer disposed on the substrate, the first metal layer comprising a first metal material and a plurality of protrusions of a wire grid pattern of the polarizer, wherein each protrusion has a first width and adjacent protrusions are spaced apart from each other by a second width; and a second metal layer disposed on each of the protrusions of the first metal layer, and comprising a second metal material, the second metal material comprising molybdenum (Mo), titanium (Ti), or molybdenum (Mo) and titanium (Ti). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A display panel comprising:
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an array substrate comprising; a lower polarizer comprising; a first substrate; a lower first metal layer disposed on the first substrate and comprising a plurality of protrusions of a lower wire grid pattern of the lower polarizer, wherein each protrusion has a first width and adjacent protrusions are spaced apart from each other by a second width; and a lower second metal layer disposed on each of the protrusions of the lower first metal layer, and comprising molybdenum (Mo), titanium (Ti), or molybdenum (Mo) and titanium (Ti), a first insulating layer covering the lower first and the second metal layers; a gate electrode disposed on the first insulating layer; a gate insulating layer disposed on the gate electrode; a channel layer disposed on the gate insulating layer; source and drain electrodes disposed on the channel layer; and a protecting layer covering the source and drain electrodes, an opposite substrate facing the array substrate, and comprising; an upper polarizer comprising; a second substrate; an upper first metal layer disposed on the second substrate and comprising a plurality of protrusions of an upper wire grid pattern of the upper polarizer; and an upper second metal layer disposed on each of the protrusions of the upper first metal layer, and comprising molybdenum (Mo), titanium (Ti), or molybdenum (Mo) and titanium (Ti), wherein the upper first metal layer is between the upper second metal layer and the second substrate, and a second insulating layer covering the upper first and the second metal layers; and a liquid crystal layer disposed between the array substrate and the opposite substrate. - View Dependent Claims (11, 12, 13)
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14. A display panel comprising:
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an array substrate comprising; a lower polarizer comprising; a first substrate; a lower second metal layer disposed on the first substrate, comprising molybdenum (Mo), titanium (Ti), or molybdenum (Mo) and titanium (Ti), and comprising a plurality of protrusions of a lower wire grid pattern of the lower polarizer, wherein each protrusion has a first width and adjacent protrusions are spaced apart from each other by a second width; and a lower first metal layer disposed on each of the protrusions of the lower second metal layer, wherein the lower second metal layer is between the lower first metal layer and the first substrate, a first insulating layer covering the lower first and the second metal layers; a gate electrode disposed on the first insulating layer; a gate insulating layer disposed on the gate electrode; a channel layer disposed on the gate insulating layer; source and drain electrodes disposed on the channel layer; and a protecting layer covering the source and drain electrodes, an opposite substrate comprising; an upper polarizer comprising; a second substrate; an upper second metal layer disposed on the second substrate, comprising molybdenum (Mo), titanium (Ti), or molybdenum (Mo) and titanium (Ti), and comprising a plurality of protrusions of an upper wire grid pattern of the upper polarizer; and an upper first metal layer disposed on each of the protrusions of the upper second metal layer, a second insulating layer covering the upper first and the second metal layers; and a liquid crystal layer disposed between the array substrate and the opposite substrate. - View Dependent Claims (15)
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16. A method of manufacturing a polarizer, the method comprising:
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forming a first metal layer on a substrate; forming a second metal layer comprising molybdenum (Mo), titanium (Ti), or molybdenum (Mo) and titanium (Ti), on the first metal layer; forming a hard mask on the second metal layer; forming a polymer layer on the hard mask; forming a pattern comprising a plurality of protrusions, in the polymer layer by contacting and pressing a mold to the polymer layer; removing a portion of the patterned polymer layer and a portion of the hard mask between the protrusions; removing a portion of the first metal layer and a portion of the second metal layer between the protrusions; and removing the polymer layer. - View Dependent Claims (17, 18, 19)
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20. A method of manufacturing a polarizer comprising:
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forming a second metal layer comprising molybdenum (Mo), titanium (Ti), or molybdenum (Mo) and titanium (Ti), on a substrate; forming a first metal layer on the second metal layer; forming a hard mask on the first metal layer; forming a polymer layer on the hard mask; forming a pattern comprising a plurality of protrusions, in the polymer layer by contacting and pressing a mold to the polymer layer; removing a portion of the patterned polymer layer and a portion of the hard mask between the protrusions; removing a portion of the first metal layer and a portion of the second metal layer between the protrusions; and removing the polymer layer.
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Specification