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.

Date of Patent:
Jan. 15, 2013

Filed:

Jan. 15, 2009
Applicants:

Takashi Nose, Kanagawa, JP;

Hirobumi Furihata, Kanagawa, JP;

Yoshihiko Hori, Kanagawa, JP;

Hiroshi Tsuchi, Kanagawa, JP;

Inventors:

Takashi Nose, Kanagawa, JP;

Hirobumi Furihata, Kanagawa, JP;

Yoshihiko Hori, Kanagawa, JP;

Hiroshi Tsuchi, Kanagawa, JP;

Assignee:

Renesas Electronics Corporation, Kawasaki-shi, Kanagawa, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); G09G 5/10 (2006.01); G09G 5/02 (2006.01); G06K 9/32 (2006.01);
U.S. Cl.
CPC ...
Abstract

A display apparatus includes a display panel; and a display panel driver configured to drive signal lines of the display panel. The display panel driver includes: a color reducing circuit configured to be possible to generate a first color reduction image data from a first input image data by executing an error diffusion process by using a first error value, and to generate a second color reduction image data from the first input image data by executing the error diffusion process by using a second error value which is different from the first error value; and a driving section configured to drive a first pixel positioned on a horizontal line of the display panel in response to the first color reduction image data, and drive a second pixel positioned on the horizontal line and adjacent to a the first pixel in a horizontal direction, in response to the second color reduction image data.


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