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US Patent 11664391 Light-emitting device

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Is a
Patent
Patent
0

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
116643910
Date of Patent
May 30, 2023
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Patent Application Number
166572430
Date Filed
October 18, 2019
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Patent Citations
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US Patent 8067775 Thin film transistor with two gate electrodes
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US Patent 8106400 Semiconductor device and method for manufacturing the same
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US Patent 8395157 Double gate thin-film transistor and OLED display apparatus including the same
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US Patent 8853016 Double gate thin-film transistor and OLED display apparatus including the same
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US Patent 8957889 Light-emitting device
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US Patent 9508709 Semiconductor device, light-emitting device, and electronic device
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US Patent 9305988 Light-emitting device
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US Patent 10032798 Semiconductor device, light-emitting device, and electronic device
0
...
Patent Citations Received
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US Patent 11791344 Display device, display module, and electronic device
Patent Primary Examiner
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Hoang-Quan Ho
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CPC Code
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H01L 29/7869
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H01L 27/1225
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H01L 29/78648
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H01L 27/3248
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H01L 27/1255
0

To provide a light-emitting device in which variation in luminance among pixels caused by variation in threshold voltage of transistors can be suppressed. The light-emitting device includes a transistor including a first gate and a second gate overlapping with each other with a semiconductor film therebetween, a first capacitor maintaining a potential difference between one of a source and a drain of the transistor and the first gate, a second capacitor maintaining a potential difference between one of the source and the drain of the transistor and the second gate, a switch controlling conduction between the second gate of the transistor and a wiring, and a light-emitting element to which drain current of the transistor is supplied.

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