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:
Apr. 10, 2018

Filed:

Jun. 16, 2016
Applicant:

Samsung Display Co., Ltd., Yongin-si, Gyeonggi-gu, KR;

Inventors:

Bo-Young An, Hwaseong-si, KR;

Jae-Shin Kim, Seoul, KR;

Ho-Suk Maeng, Seoul, KR;

Jong-Woong Park, Seongnam-si, KR;

Assignee:

Samsung Display Co., Ltd., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/32 (2016.01); G09G 3/3208 (2016.01); G09G 3/20 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3208 (2013.01); G09G 3/2003 (2013.01); G09G 2320/0242 (2013.01);
Abstract

A degradation compensating device includes an accumulator configured to accumulate stress data every pixel block, a memory configured to receive the stress data from the accumulator, and to load accumulated data from an external flash memory when a display device power is turned on, the accumulated data being a total sum of the stress data, a compensation factor calculator configured to determine a target compensation factor based on the accumulated data to compensate image data, and to apply an initial compensation factor to the target compensation factor during a wake-up period after loading the accumulated data is completed, the initial compensation factor being changed gradually during the wake-up period, and a data compensator configured to generate image compensation data based on the target compensation factor, and to generate initial image data based on a wake-up factor that is an adjusted target compensation factor based on the initial compensation factor.


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