公开(公告)号：US20170053606A1

公开(公告)日：2017-02-23

申请号：US15158395

申请日：2016-05-18

Applicant: Samsung Display Co., Ltd.

Inventor： Byung-kyou MIN ,  Youngsup KWON ,  Taegon IM

IPC: G09G3/34 ,  G09G3/36

CPC classification number: G09G3/3426 ,  G09G3/2022 ,  G09G3/36 ,  G09G2310/08 ,  G09G2330/021 ,  G09G2360/16

Abstract: According to some embodiments of the inventive concept, there is provided a liquid crystal display device including a backlight including a light source configured to emit first to N-th block lights respectively to first to N-th sub-frames, in a first direction, the first to N-th sub-frames being obtained by dividing a frame in time, and a display panel including pixels arranged in a matrix form and grouped into first to N-th row blocks along the first direction, the pixels being configured to display an image using the first to N-th block lights, and operations of the first to N-th row blocks being respectively synchronized with the first to N-th sub-frames, wherein a brightness of a K-th block light among the first to N-th block lights is determined on a basis of light source brightness data of a K-th row block among the first to N-th row blocks.

Abstract translation: 根据本发明构思的一些实施例，提供了一种液晶显示装置，包括：背光源，包括被配置为在第一方向上分别向第一至第N子帧​​发射第一至第N块光的光源; 通过在时间上划分帧来获得第一至第N子帧​​，以及显示面板，包括以矩阵形式布置的像素，并沿着第一方向分组成第一至第N行块，所述像素被配置为显示 使用第一至第N个块光的图像，以及第一至第N行块的操作分别与第一至第N子帧​​同步，其中第一至第N个块中的第K个块光的亮度 基于第一〜第N行块中的第K行块的光源亮度数据来确定到第N个块光。

公开(公告)号：US20170018230A1

公开(公告)日：2017-01-19

申请号：US15061139

申请日：2016-03-04

Applicant: Samsung Display Co., LTD.

Inventor： Taegon IM ,  Min-gyu KIM ,  Youngsup KWON

IPC: G09G3/34 ,  G09G3/36 ,  H05B33/08

CPC classification number: G09G3/342 ,  G09G3/003 ,  G09G3/3648 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/064 ,  G09G2330/021 ,  G09G2330/12 ,  H05B33/0815 ,  H05B33/0827 ,  H05B33/0851

Abstract: A backlight unit includes a power converter which generates a light source power voltage at a first node in response to a voltage control signal, at least one light emitting diode string which is connected between the first node and a second node and receives the light source power voltage through the first node, and a controller connected to the second node where the controller detects current of a detection node varying based on a duty ratio of the power control signal, and controls current flowing through the second node when the detected current is greater than a reference value.

Abstract translation: 背光单元包括：功率转换器，其响应于电压控制信号在第一节点处产生光源电源电压;至少一个发光二极管串，连接在第一节点和第二节点之间，并接收光源功率 通过第一节点的电压以及连接到第二节点的控制器，其中控制器检测基于功率控制信号的占空比而变化的检测节点的电流，并且当检测到的电流大于时，控制流过第二节点的电流 参考值。