Display device

US11567615B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11567615-B2
Application numberUS-202217577492-A
CountryUS
Kind codeB2
Filing dateJan 18, 2022
Priority dateJan 19, 2021
Publication dateJan 31, 2023
Grant dateJan 31, 2023

How to read this patent

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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

    The legal scope of protection — read this for what is actually claimed.

  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.

According to one embodiment, a display device includes a first substrate, a second substrate opposed to the first substrate, detection electrodes provided to surround a display area where an image is displayed, and a common electrode provided over an entire surface of the display area. The common electrode includes a first lead wiring line that extends to a peripheral area around the display area, along a boundary part between a first detection electrode, which is one of the detection electrodes, and a second detection electrode adjacent to the first detection electrode. A capacitance formed between the first lead wiring line and the first detection electrode is substantially equal to a capacitance formed between the first lead wiring line and the second detection electrode.

First claim

Opening claim text (preview).

What is claimed is: 1. A display device comprising: a first substrate; a second substrate opposed to the first substrate; detection electrodes provided to surround a display area where an image is displayed; and a common electrode provided over an entire surface of the display area, the common electrode including a first lead wiring extending to a peripheral area around the display area, along a boundary part between a first detection electrode, which is one of the detection electrodes, and a second detection electrode adjacent to the first detection electrode, a capacitance formed between the first lead wiring and the first detection electrode being substantially equal to a capacitance formed between the first lead wiring and the second detection electrode. 2. The display device of claim 1 , wherein the first lead wiring is not provided at a boundary part between the first detection electrode and a third detection electrode which is adjacent to the first detection electrode on a side opposite to the second detection electrode. 3. The display device of claim 2 , further comprising: a shield electrode provided in the peripheral area to surround the common electrode, wherein the shield electrode includes a second lead wiring extending to the peripheral area along a boundary part between the first detection electrode and the third detection electrode. 4. The display device of claim 3 , wherein the shield electrode is provided on the second substrate side. 5. The display device of claim 1 , wherein the first lead wiring is also provided at a boundary part between the first detection electrode and a third detection electrode which is adjacent to the first detection electrode on a side opposite to the second detection electrode. 6. The display device of claim 1 , wherein the common electrode is provided on the second substrate side. 7. The display device of claim 1 , wherein the detection electrodes are provided on the second substrate side.

Assignees

Inventors

Classifications

  • G06F3/0412Primary

    Digitisers structurally integrated in a display · CPC title

  • G06F3/0443Primary

    using a single layer of sensing electrodes · CPC title

  • Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds · CPC title

  • by capacitive means · CPC title

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Frequently asked questions

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What does patent US11567615B2 cover?
According to one embodiment, a display device includes a first substrate, a second substrate opposed to the first substrate, detection electrodes provided to surround a display area where an image is displayed, and a common electrode provided over an entire surface of the display area. The common electrode includes a first lead wiring line that extends to a peripheral area around the display ar…
Who is the assignee on this patent?
Japan Display Inc
What technology area does this patent fall under?
Primary CPC classification G06F3/0412. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Jan 31 2023 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 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).