DISPLAY APPARATUS AND CONTROLLING METHOD THEREOF

Title:

DISPLAY APPARATUS AND CONTROLLING METHOD THEREOF

Document Type and Number:

WIPO Patent Application WO/2020/009359

Kind Code:

A1

Abstract:

Disclosed is a display apparatus in which each pixel corresponds to at least one light-emitting element. The display apparatus includes a display including a plurality of pixels, a driver configured to drive a plurality of light-emitting elements constituting the plurality of pixels, and a processor configured to control the driver to drive the plurality of light-emitting elements based on a first pulse width modulation signal having a duty corresponding to a grayscale of an input image, and to control the driver to drive light-emitting elements constituting a specific pixel, among the plurality of pixels, using a second PWM signal having a duty corresponding to the grayscale of the input image, wherein a frequency of the first PWM signal is different from a frequency of the second PWM signal.

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Inventors:

YI SANGHUN (KR)
SEO JEONGRYEOL (KR)
OH SANGHOON (KR)

Application Number:

PCT/KR2019/007645

Publication Date:

January 09, 2020

Filing Date:

June 25, 2019

Export Citation:

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Assignee:

SAMSUNG ELECTRONICS CO LTD (KR)

International Classes:

G06F21/84; G06F21/16; H04N1/405

Domestic Patent References:

WO2010122724A1

2010-10-28

Foreign References:

US20020168069A1	2002-11-14
US20070013770A1	2007-01-18
US20070172057A1	2007-07-26
US20150304522A1	2015-10-22
US20090052728A1	2009-02-26
US20150371353A1	2015-12-24
US20020168069A1	2002-11-14

Other References: