Electronic paper display drive method and apparatus thereof

US8970640B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8970640-B2
Application numberUS-201113032650-A
CountryUS
Kind codeB2
Filing dateFeb 23, 2011
Priority dateSep 15, 2010
Publication dateMar 3, 2015
Grant dateMar 3, 2015

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  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

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

The present invention provides a drive method for an electronic paper display. The method comprises to display a present image. Then, color data of pixels of the present image is gathered. The color data is compared to select one of a first color and a second color to be as a main color. Finally, a refresh image is displayed in the electronic paper display following the present image based on the main color.

First claim

Opening claim text (preview).

What is claimed is: 1. A drive method for driving an electronic paper display, the method comprising: displaying a present image; gathering color data of pixels of the present image; comparing the color data of the pixels of the present image to determine main colors of the pixels of the present image, wherein each of the main colors of the pixels of the present image is determined as one of a first color and a second color; selecting one of the first color and the second co…

Assignees

Inventors

Classifications

Patent family

Related publications grouped by family.

External sources

Next steps

Free tools are coming soon. Tell us what you want to track and we'll notify you.

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US8970640B2 cover?
The present invention provides a drive method for an electronic paper display. The method comprises to display a present image. Then, color data of pixels of the present image is gathered. The color data is compared to select one of a first color and a second color to be as a main color. Finally, a refresh image is displayed in the electronic paper display following the present image based on t…
Who is the assignee on this patent?
Wang Tzu-Ming, Chuang Kai-Cheng, E Ink Holdings Inc
What technology area does this patent fall under?
Primary CPC classification G09G3/344. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Mar 03 2015 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).