The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 2026
Filed:
Jan. 06, 2022
Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;
Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;
Abstract
A novel display device is provided. The display device includes a first layer, a second layer, and a third layer. The first layer, the second layer, and the third layer are provided in different layers. The first layer includes a driver circuit and a functional circuit. The second layer includes a pixel circuit. The third layer includes a display element. The pixel circuit has a function of controlling light emission of the display element. The driver circuit has a function of controlling the pixel circuit. The functional circuit has a function of controlling the driver circuit. The first layer includes a first transistor with a semiconductor layer containing silicon in a channel formation region. The second layer includes a second transistor with a semiconductor layer containing a metal oxide in a channel formation region.