Image display device, method of driving the same, image display program executed in the same, and gradation converter included in the same

US9019293B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9019293-B2
Application numberUS-201113334990-A
CountryUS
Kind codeB2
Filing dateDec 22, 2011
Priority dateJan 13, 2011
Publication dateApr 28, 2015
Grant dateApr 28, 2015

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  2. Abstract

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Abstract

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Disclosed herein is an image display device, including: a display block displaying thereon an image by using pixels disposed in a two dimensional matrix; and a gradation converting block executing gradation converting processing by using an error diffusion method, wherein the gradation converting block partitions an area in which the pixels are disposed into virtual partitions, and carries out the error diffusion when the gradation converting processing is executed with respect to the pixels within the virtual partition exclusively within the virtual partition, thereby carrying out gradation conversion for the image which is displayed on the display block.

First claim

Opening claim text (preview).

What is claimed is: 1. An image display device, comprising: a display block on which an image is displayed using pixels disposed in a two dimensional matrix; and a gradation converting block that executes gradation converting processing using an error diffusion method, wherein, said gradation converting block partitions an area in which said pixels are disposed into virtual partitions, and carries out the error diffusion method when the gradation converting processing is exec…

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What does patent US9019293B2 cover?
Disclosed herein is an image display device, including: a display block displaying thereon an image by using pixels disposed in a two dimensional matrix; and a gradation converting block executing gradation converting processing by using an error diffusion method, wherein the gradation converting block partitions an area in which the pixels are disposed into virtual partitions, and carries out …
Who is the assignee on this patent?
Tsuzaki Ryoichi, Takasaki Naoyuki, Japan Display Inc
What technology area does this patent fall under?
Primary CPC classification G09G3/2059. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Apr 28 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).