Display device and electronic device
First Claim
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1. A display device comprising:
- a first substrate;
a display portion and a driver circuit provided over the first substrate;
a second substrate overlapping with the first substrate, the display portion, and the driver circuit;
a liquid crystal layer between the first substrate and the second substrate, the liquid crystal layer provided over the display portion and the driver circuit;
a first sealant between the first substrate and the second substrate, the first sealant surrounding and enclosing the liquid crystal layer so as to seal the liquid crystal layer and the transistor;
a second sealant surrounding and enclosing the first sealant; and
a third sealant surrounding and enclosing the second sealant,wherein the second sealant closes a gap between the first substrate and the second substrate,wherein the second sealant extends to at least a side surface of the second substrate, andwherein the second sealant is not in direct contact with the first sealant.
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Abstract
A display device having high reliability is provided. A frame of a display device is narrowed. A display device such as a liquid crystal display device includes a first substrate, a second substrate overlapping with the first substrate, a liquid crystal layer between the first substrate and the second substrate, a first sealant surrounding the liquid crystal layer between the first substrate and the second substrate, and a second sealant surrounding the first sealant, closing a gap between the first substrate and the second substrate, and extending to at least a side surface of the second substrate.
181 Citations
20 Claims
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1. A display device comprising:
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a first substrate; a display portion and a driver circuit provided over the first substrate; a second substrate overlapping with the first substrate, the display portion, and the driver circuit; a liquid crystal layer between the first substrate and the second substrate, the liquid crystal layer provided over the display portion and the driver circuit; a first sealant between the first substrate and the second substrate, the first sealant surrounding and enclosing the liquid crystal layer so as to seal the liquid crystal layer and the transistor; a second sealant surrounding and enclosing the first sealant; and a third sealant surrounding and enclosing the second sealant, wherein the second sealant closes a gap between the first substrate and the second substrate, wherein the second sealant extends to at least a side surface of the second substrate, and wherein the second sealant is not in direct contact with the first sealant. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A display device comprising:
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a first substrate; a display portion and a driver circuit provided over the first substrate; a second substrate overlapping with the first substrate, the display portion, and the driver circuit; a liquid crystal layer between the first substrate and the second substrate, the liquid crystal layer provided over the display portion and the driver circuit; a first sealant between the first substrate and the second substrate, the first sealant surrounding and enclosing the liquid crystal layer so as to seal the liquid crystal layer and the transistor; and a second sealant surrounding and enclosing the first sealant, wherein the second sealant closes a gap between the first substrate and the second substrate, wherein the first sealant is in direct contact with the liquid crystal layer, wherein the second sealant is in direct contact with a first side surface of the first substrate, a first side surface of the second substrate and a second side surface of the second substrate, wherein the second sealant is not in direct contact with the first sealant and a second side surface of the first substrate, wherein the first side surface of the first substrate and the first side surface of the second substrate face a first direction, and wherein the second side surface of the first substrate and the second side surface of the second substrate face a second direction. - View Dependent Claims (13, 14, 15, 16, 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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InventorsYamazaki, Shunpei, Hirakata, Yoshiharu, Nishi, Takeshi
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Primary Examiner(s)Briggs, Nathanael R
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Assistant Examiner(s)Gross, Alexander P
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Application NumberUS15/486,505Publication NumberTime in Patent Office789 DaysField of SearchUS Class CurrentCPC Class CodesG02F 1/0107 Gaskets, spacers or sealing...G02F 1/1339 Gaskets; Spacers; Sealing o...G02F 1/1341 Filling or closing of cellsG02F 1/1368 in which the switching elem...G02F 2202/28 Adhesive materials or arran...
