Electronic view finder utilizing an organic electroluminescence display
First Claim
Patent Images
1. A camera comprising:
- a body of the camera; and
an electroluminescence display device attached to the body, the electroluminescence display device being configured to project an image to only one eye of a user and comprising;
a substrate having a first surface and a second surface wherein the second surface is on an opposite side of the substrate with respect to the first surface;
a thin film transistor formed over the first surface of the substrate;
a planarizing film formed over the thin film transistor, the planarizing film comprising a resin and having a planarized upper surface so as to reduce a step caused by at least the thin film transistor on a surface of the planarizing film;
a first electrode formed on the planarizing film and electrically connected to the thin film transistor;
an emission layer formed over the first electrode;
a second electrode formed over the emission layer,wherein the second surface of the substrate has a single spherical configuration which acts as a single lens.
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Abstract
A view finder according to the present invention has an electroluminescence display element which displays an image of an object, and an optical element which magnifies the image.
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Citations
20 Claims
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1. A camera comprising:
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a body of the camera; and an electroluminescence display device attached to the body, the electroluminescence display device being configured to project an image to only one eye of a user and comprising; a substrate having a first surface and a second surface wherein the second surface is on an opposite side of the substrate with respect to the first surface; a thin film transistor formed over the first surface of the substrate; a planarizing film formed over the thin film transistor, the planarizing film comprising a resin and having a planarized upper surface so as to reduce a step caused by at least the thin film transistor on a surface of the planarizing film; a first electrode formed on the planarizing film and electrically connected to the thin film transistor; an emission layer formed over the first electrode; a second electrode formed over the emission layer, wherein the second surface of the substrate has a single spherical configuration which acts as a single lens. - View Dependent Claims (2, 3, 4, 5)
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6. A camera comprising:
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a body of the camera; and an electroluminescence display device attached to the body, the electroluminescence display device being configured to project an image to only one eye of a user and comprising; a substrate having a first surface and a second surface wherein the second surface is on an opposite side of the substrate with respect to the first surface; a thin film transistor formed over the first surface of the substrate, said thin film transistor comprising an LDD region and a gate electrode partly overlapping the LDD region; a planarizing film formed over the thin film transistor, the planarizing film comprising a resin and having a planarized upper surface so as to reduce a step caused by at least the thin film transistor on a surface of the planarizing film; a first electrode formed on the planarizing film and electrically connected to the thin film transistor; an emission layer formed over the first electrode; a second electrode formed over the emission layer, wherein the second surface of the substrate has a single spherical configuration which acts as a single lens. - View Dependent Claims (7, 8, 9, 10)
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11. A camera comprising:
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a body of the camera; and a view finder for only one eye of a user, the viewfinder including an electroluminescence display device attached to the body, the electroluminescence display device comprising; a substrate having a first surface and a second surface wherein the second surface is on an opposite side of the substrate with respect to the first surface; a thin film transistor formed over the first surface of the substrate; a planarizing film formed over the thin film transistor, the planarizing film comprising a resin and having a planarized upper surface so as to reduce a step caused by at least the thin film transistor on a surface of the planarizing film; a first electrode formed on the planarizing film and electrically connected to the thin film transistor; an emission layer formed over the first electrode; a second electrode formed over the emission layer, wherein the second surface of the substrate has a single spherical configuration which acts as a single lens. - View Dependent Claims (12, 13, 14, 15)
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16. A camera comprising:
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a body of the camera; and a view finder for only one eye of a user, the viewfinder including an electroluminescence display device attached to the body, the electroluminescence display device comprising; a substrate having a first surface and a second surface wherein the second surface is on an opposite side of the substrate with respect to the first surface; a thin film transistor formed over the first surface of the substrate, said thin film transistor comprising an LDD region and a gate electrode partly overlapping the LDD region; a planarizing film formed over the thin film transistor, the planarizing film comprising a resin and having a planarized upper surface so as to reduce a step caused by at least the thin film transistor on a surface of the planarizing film; a first electrode formed on the planarizing film and electrically connected to the thin film transistor; an emission layer formed over the first electrode; a second electrode formed over the emission layer, wherein the second surface of the substrate has a single spherical configuration which acts as a single lens. - View Dependent Claims (17, 18, 19, 20)
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Specification
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Current AssigneeSemiconductor Energy Laboratory Co., Ltd.
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Original AssigneeSemiconductor Energy Laboratory Co., Ltd.
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InventorsHayashi, Keisuke, Yamazaki, Shunpei, Yamazaki, Yu
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Primary Examiner(s)Misleh; Justin P
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Application NumberUS09/500,897Time in Patent Office3,716 DaysField of Search348/333.01, 348/333.02, 348/333.03, 348/333.04, 348/333.05, 348/333.06, 348/333.07, 348/333.08, 348/333.09, 348/333.1, 348/333.11, 348/333.12, 348/333.13, 348/340, 348/800, 348/801, 396/373, 396/374, 396/375, 396/376, 396/377, 396/378, 396/379, 396/380, 396/381, 396/382, 396/383, 396/384, 396/385, 396/386, 349/69, 345/76, 345/77, 345/78, 345/79, 345/80, 345/81US Class Current348/333.01CPC Class CodesH10K 59/12 Active-matrix OLED [AMOLED]...
