-
公开(公告)号:KR20180006387A
公开(公告)日:2018-01-17
申请号:KR20177033748
申请日:2016-03-30
Applicant: APPLE INC
Inventor: WANG CHAOHAO , TRIPATHI BRIJESH , TANN CHRISTOPHER PHILIP ALAN , ZALATIMO DAVID S , COTE GUY , NAN HAO , ALBRECHT MARC , SACCHETTO PAOLO , PINTZ SANDRO H
IPC: G09G3/36
CPC classification number: G09G3/3614 , G09G2320/0204 , G09G2320/0247 , G09G2320/0257 , G09G2320/046 , G09G2340/0435 , G09G2360/16
Abstract: 전자디바이스는디스플레이상에표시될콘텐츠를생성할수 있다. 디스플레이는콘텐츠의이미지프레임들을표시하기위한액정디스플레이픽셀들의어레이를가질수 있다. 이미지프레임들은전하축적효과의감소를돕기위하여양의극성및 음의극성으로표시될수 있다. 전하축적추적기는이미지프레임들을분석하여과도한전하축적의위험이존재하는시기를결정할수 있다. 전하축적추적기는그레이레벨, 프레임듀레이션, 및프레임극성에관한정보를분석할수 있다. 전하축적추적기는전체이미지프레임들에대한전하축적메트릭을계산할수 있거나또는각각의프레임의하위영역들을개별적으로처리할수 있다. 하위영역들이개별적으로처리되면, 각각의하위영역은과도한전하축적의위험에대하여개별적으로모니터될수 있다.
Abstract translation: 电子设备可以生成要在显示器上显示的内容。 显示器可以具有用于显示内容的图像帧的液晶显示像素的阵列。 图像帧可以显示正极性和负极性,以帮助减少电荷积累效应。 电荷累积追踪器可以分析图像帧以确定何时存在电荷过度累积的风险。 电荷累积跟踪器可以分析关于灰度级,帧持续时间和帧极性的信息。 电荷累积跟踪器可以计算整个图像帧的电荷累积度量,或者可以分别处理每个帧的子区域。 如果分开处理子区域,则可以单独监视每个子区域的过度电荷累积风险。
-
公开(公告)号:DE112018003379T5
公开(公告)日:2020-03-12
申请号:DE112018003379
申请日:2018-06-13
Applicant: APPLE INC
Inventor: ALBRECHT MARC , BAAR TEUN R , BONNIER NICOLAS P , CHANG SEAN , KIM BYOUNGSUK , ZALATIMO DAVID S
IPC: G09G3/34
Abstract: Eine elektronische Vorrichtung kann mit einer Anzeige bereitgestellt sein. Die Anzeige kann eine Hintergrundbeleuchtung einschließen, die ein Array von lokal dimmbaren Lichtquellen aufweist. Steuerschaltlogik kann Steuersignale an die Hintergrundbeleuchtung bereitstellen, um Licht mit verschiedenen Helligkeitspegeln zu erzeugen. Wenn der Helligkeitspegel unterhalb einer Schwelle liegt, kann die Steuerschaltlogik Pulsweitenmodulations-Steuersignale verwenden, um die Lichtquellen in der Hintergrundbeleuchtung zu steuern. Wenn der Helligkeitspegel oberhalb der Helligkeitsschwelle liegt, kann die Steuerschaltlogik analoge Steuersignale verwenden, um die Lichtquellen in der Hintergrundbeleuchtung zu steuern. Die Steuerschaltlogik kann die Schwelle regulieren, um verschiedene Dimmbereiche für verschiedene Helligkeitseinstellungen zu erzielen. Eine niedrige Helligkeitseinstellung kann zum Beispiel eine niedrigere Schwelle und einen niedrigeren Dimmbereich als eine hohe Helligkeitseinstellung aufweisen, was dazu beitragen kann, dunklere Dunkelheiten zu erzeugen, wenn die Anzeige bei einer niedrigen Helligkeitseinstellung arbeitet.
-
公开(公告)号:WO2016130550A3
公开(公告)日:2016-11-03
申请号:PCT/US2016017159
申请日:2016-02-09
Applicant: APPLE INC
Inventor: WANG CHAOHAO , ZALATIMO DAVID S , ZHAO LEI , TANN CHRISTOPHER P , SACCHETTO PAOLO , PINTZ SANDRO H , HUANG YI , QI JUN
IPC: G09G3/20
CPC classification number: G09G3/2092 , G09G3/20 , G09G2310/0254 , G09G2310/04 , G09G2310/08 , G09G2320/0266 , G09G2340/0435
Abstract: One embodiment describes an electronic display that displays image frames with a first refresh rate or a second refresh rate, in which the second refresh rate is lower than the first refresh rate; a display driver that writes the image frames by applying voltage to a display panel; and a timing controller that receives first image data from an image source, in which the first image data describes a first image frame and a first desired refresh rate equal to the second fresh rate; and that instructs the display driver to apply a first set of voltage polarities to the display panel to display first image frame at the first refresh rate and to apply a second set of voltage polarities to the display the first image frame at the second refresh rate when polarity of inversion imbalance accumulated is equal to polarity of the first set of voltage polarities.
Abstract translation: 一个实施例描述了一种电子显示器,其显示具有第一刷新率或第二刷新率的图像帧,其中第二刷新率低于第一刷新率; 通过向显示面板施加电压来写入图像帧的显示驱动器; 以及定时控制器,其从图像源接收第一图像数据,其中第一图像数据描述第一图像帧和等于第二新鲜率的第一期望刷新率; 并且指示显示驱动器将第一组电压极性施加到显示面板以以第一刷新率显示第一图像帧,并且以第二刷新率将第二组电压极性应用于第一图像帧, 累积的反转不平衡极性等于第一组电压极性的极性。
-
公开(公告)号:EP3286753A1
公开(公告)日:2018-02-28
申请号:EP16716128
申请日:2016-03-30
Applicant: APPLE INC
Inventor: WANG CHAOHAO , TRIPATHI BRIJESH , TANN CHRISTOPHER PHILIP ALAN , ZALATIMO DAVID S , COTE GUY , NAN HAO , ALBRECHT MARC , SACCHETTO PAOLO , PINTZ SANDRO H
IPC: G09G3/36
CPC classification number: G09G3/3614 , G09G2320/0204 , G09G2320/0247 , G09G2320/0257 , G09G2320/046 , G09G2340/0435 , G09G2360/16
Abstract: An electronic device may generate content that is to be displayed on a display. The display may have an array of liquid crystal display pixels for displaying image frames of the content. The image frames may be displayed with positive and negative polarities to help reduce charge accumulation effects. A charge accumulation tracker may analyze the image frames to determine when there is a risk of excess charge accumulation. The charge accumulation tracker may analyze information on gray levels, frame duration, and frame polarity. The charge accumulation tracker may compute a charge accumulation metric for entire image frames or may process subregions of each frame separately. When subregions are processed separately, each subregion may be individually monitored for a risk of excess charge accumulation.
-
-
-