公开(公告)号：US20160163261A1

公开(公告)日：2016-06-09

申请号：US14962815

申请日：2015-12-08

Applicant: LG DISPLAY CO., LTD.

Inventor： SangYun KIM ,  JunHyeok YANG

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G3/3225 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2330/12

Abstract: Discussed are a current sensing circuit capable of compensating for degradation of an organic light emitting diode by sensing a current of the organic light emitting diode, and an organic light emitting diode display having the same. The current sensing circuit according to an embodiment includes a plurality of sensing modules configured to sense a pixel current from a display panel having an organic light emitting diode on each of a plurality of pixels, and to output a sensing voltage according to a sensing result; and an analogue-digital converter configured to convert the sensing voltage into an analogue-digital voltage, and to output sensing data.

Abstract translation: 讨论了能够通过感测有机发光二极管的电流来补偿有机发光二极管的劣化的电流感测电路和具有该有机发光二极管显示器的有机发光二极管显示器。 根据实施例的电流感测电路包括多个感测模块，其被配置为从多个像素中的每一个上具有有机发光二极管的显示面板感测像素电流，并且根据感测结果输出感测电压; 以及模拟数字转换器，被配置为将感测电压转换为模拟数字电压，并输出感测数据。