公开(公告)号：US20090128544A1

公开(公告)日：2009-05-21

申请号：US12201669

申请日：2008-08-29

Applicant: Pankaj AGARWAL ,  Kyoung-geun LEE

Inventor： Pankaj AGARWAL ,  Kyoung-geun LEE

IPC: G06F3/038

CPC classification number: G09G3/342 ,  G09G3/3611 ,  G09G2310/024 ,  G09G2320/0257 ,  G09G2320/0261 ,  G09G2320/064

Abstract: A display apparatus includes a display panel, a light source unit including a plurality of light sources that irradiate the display panel with light, a first control signal generating unit that inverts and forward rectifies a scan signal for scanning of the light source unit, a second control signal generating unit that inverts and backward rectifies an overdrive signal for overcurrent emission of the light source unit and has its output port coupled to an output port of the first control signal generating unit, and an inverter that supplies current to the light source unit based on a control signal output from the output port of the first control signal generating unit and the output port of the second control signal generating unit.

Abstract translation: 一种显示装置，包括显示面板，包括用光照射显示面板的多个光源的光源单元，第一控制信号生成单元，反相和正向整流用于扫描光源单元的扫描信号;第二控制信号发生单元， 控制信号发生单元，其反转和反向整流用于光源单元的过电流发射的过驱动信号，并且其输出端口耦合到第一控制信号生成单元的输出端口;以及逆变器，其基于光源单元提供电流 在从第一控制信号产生单元的输出端口输出的控制信号和第二控制信号产生单元的输出端口上。

公开(公告)号：US20080265847A1

公开(公告)日：2008-10-30

申请号：US11937739

申请日：2007-11-09

Applicant: Won-myung WOO ,  Jin-hyung LEE ,  Kyoung-geun LEE

Inventor： Won-myung WOO ,  Jin-hyung LEE ,  Kyoung-geun LEE

IPC: G05F1/70

CPC classification number: H02M1/4225 ,  H02M1/32 ,  H02M1/40 ,  Y02B70/126 ,  Y10S323/908

Abstract: Provided are a method and apparatus for improving the power factor of an input power. The apparatus includes an input unit receiving the input power, a power factor correction unit correcting the power factor of the input power applied to the input unit, and a saturation prevention unit controlling the power factor correction unit such that the corrected power does not exceed a set power limit.

Abstract translation: 提供一种用于改善输入功率的功率因数的方法和装置。 该装置包括接收输入功率的输入单元，校正施加到输入单元的输入功率的功率因数的功率因数校正单元和控制功率因数校正单元的饱和​​度防止单元，使得校正功率不超过 设置电源限制。