Electronic device including graphene-based layer(s), and/or method or making the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01L-031/0392
B82Y-030/00
H01L-031/0224
H01L-031/075
H01L-051/44
출원번호
US-0461349
(2009-08-07)
등록번호
US-10164135
(2018-12-25)
발명자
/ 주소
Veerasamy, Vijayen S.
출원인 / 주소
Guardian Glass, LLC
대리인 / 주소
Nixon & Vanderhye P.C.
인용정보
피인용 횟수 :
0인용 특허 :
98
초록▼
Certain example embodiments of this invention relate to the use of graphene as a transparent conductive coating (TCC). In certain example embodiments, graphene thin films grown on large areas hetero-epitaxially, e.g., on a catalyst thin film, from a hydrocarbon gas (such as, for example, C2H2, CH4,
Certain example embodiments of this invention relate to the use of graphene as a transparent conductive coating (TCC). In certain example embodiments, graphene thin films grown on large areas hetero-epitaxially, e.g., on a catalyst thin film, from a hydrocarbon gas (such as, for example, C2H2, CH4, or the like). The graphene thin films of certain example embodiments may be doped or undoped. In certain example embodiments, graphene thin films, once formed, may be lifted off of their carrier substrates and transferred to receiving substrates, e.g., for inclusion in an intermediate or final product. Graphene grown, lifted, and transferred in this way may exhibit low sheet resistances (e.g., less than 150 ohms/square and lower when doped) and high transmission values (e.g., at least in the visible and infrared spectra).
대표청구항▼
1. A touch panel subassembly, comprising: a glass substrate;a first transparent, conductive graphene-based layer provided, directly or indirectly, on the glass substrate;a deformable foil, the deformable foil being substantially parallel and in spaced apart relation to the glass substrate; anda seco
1. A touch panel subassembly, comprising: a glass substrate;a first transparent, conductive graphene-based layer provided, directly or indirectly, on the glass substrate;a deformable foil, the deformable foil being substantially parallel and in spaced apart relation to the glass substrate; anda second transparent, conductive graphene-based layer provided, directly or indirectly, on the deformable foil,wherein each said graphene-based layer is hetero-epitaxially grown, directly or indirectly, on a metal catalyst thin film, andwherein at least one of said catalyst thin films is electrochemically anodized so as to render the at least one catalyst thin film that is electrochemically anodized a substantially transparent metal oxide. 2. The touch panel subassembly of claim 1, wherein the graphene-based layer grown on each catalyst thin film that is electrochemically anodized is caused to act as a cathode during anodization. 3. The touch panel subassembly of claim 2, wherein each said metal catalyst thin film comprises nickel and/or vanadium. 4. The touch panel subassembly of claim 1, wherein each said metal catalyst thin film comprises nickel. 5. The touch panel subassembly of claim 1, wherein each said metal catalyst thin film comprises nickel and chromium. 6. The touch panel subassembly of claim 5, wherein each said metal catalyst thin film comprises 3-15% chromium. 7. The touch panel subassembly of claim 1, wherein each said metal catalyst thin film comprises vanadium. 8. The touch panel subassembly of claim 1, wherein the first and/or second graphene-based layer(s) has/have a sheet resistance of less than 150ohms/square. 9. A touch panel apparatus, comprising: the touch panel subassembly of claim 1; anda display connected to a surface of the substrate of the touch panel subassembly opposite the deformable foil.
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