Semiconductor device and light-emitting device

US11189642B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11189642-B2
Application numberUS-201113223475-A
CountryUS
Kind codeB2
Filing dateSep 1, 2011
Priority dateSep 10, 2010
Publication dateNov 30, 2021
Grant dateNov 30, 2021

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  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

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Abstract

Official abstract text for this publication.

To provide a highly reliable semiconductor device including an oxide semiconductor. Further to provide a highly reliable light-emitting device including an oxide semiconductor. A second electrode sealed together with a semiconductor element including an oxide semiconductor hardly becomes inactive. A hydrogen ion and/or a hydrogen molecule produced by reaction of the active second electrode with moisture remaining in the semiconductor device and/or moisture entering from the outside of the device increase the carrier concentration in the oxide semiconductor, which causes a reduction in the reliability of the semiconductor device. An adsorption layer of a hydrogen ion and/or a hydrogen molecule may be provided on the other surface side of the second electrode having one surface in contact with the organic layer. Further, an opening which a hydrogen ion and/or a hydrogen molecule passes through may be provided for the second electrode.

First claim

Opening claim text (preview).

What is claimed is: 1. A semiconductor device, comprising: a transistor; and a light-emitting element electrically connected to the transistor, the light-emitting element comprising an electroluminescent layer, wherein a through hole of an electrode of the light-emitting element overlaps with a channel formation region of the transistor. 2. The semiconductor device according to claim 1 , wherein the channel formation region comprises an oxide semiconductor. 3. The semiconductor device according to claim 1 , further comprising: a second transistor electrically connected to the transistor, wherein a second through hole of the electrode of the light-emitting element overlaps with a channel formation region of the second transistor.

Assignees

Inventors

Classifications

  • including getter material or desiccant · CPC title

  • H10D86/423Primary

    comprising semiconductor materials not belonging to the Group IV, e.g. InGaZnO · CPC title

  • Oxide semiconductors, e.g. zinc oxide, copper aluminium oxide or cadmium stannate · CPC title

  • wherein the TFTs are in active matrices · CPC title

  • characterised by the structure of the channel, e.g. transverse or longitudinal shape or doping profile (TFTs having channel structures for preventing kink or snapback effects H10D30/6708; TFTs having lightly-doped source or drain extensions H10D30/6715) · CPC title

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What does patent US11189642B2 cover?
To provide a highly reliable semiconductor device including an oxide semiconductor. Further to provide a highly reliable light-emitting device including an oxide semiconductor. A second electrode sealed together with a semiconductor element including an oxide semiconductor hardly becomes inactive. A hydrogen ion and/or a hydrogen molecule produced by reaction of the active second electrode with…
Who is the assignee on this patent?
Hatano Kaoru, Semiconductor Energy Lab
What technology area does this patent fall under?
Primary CPC classification H10D86/423. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Nov 30 2021 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).