公开(公告)号：US20110122167A1

公开(公告)日：2011-05-26

申请号：US12819822

申请日：2010-06-21

Applicant: Tae-hoon KIM ,  Sang-hoon LEE ,  Sung-jin CHOI ,  Myoung-jun LEE ,  Pankaj AGARWAL ,  Youn-hee KIM

Inventor： Tae-hoon KIM ,  Sang-hoon LEE ,  Sung-jin CHOI ,  Myoung-jun LEE ,  Pankaj AGARWAL ,  Youn-hee KIM

IPC: G09G5/10 ,  H05B37/02

CPC classification number: G09G3/3426 ,  G09G3/342 ,  G09G2320/0233 ,  G09G2330/02 ,  G09G2330/024 ,  H05B33/0827 ,  H05B33/086

Abstract: A backlight unit and a display apparatus are provided. The display apparatus includes a power supply unit which outputs a first voltage; a light emitting unit which includes a first end connected to the power supply unit, and a second end, the first end receiving the first voltage from the power supply unit; and a compensation unit which includes a first end connected to the second end of the light emitting unit, and which compensates a deviation between the first voltage and a rated voltage of the light emitting unit.

Abstract translation: 提供背光单元和显示装置。 显示装置包括输出第一电压的电源单元; 发光单元，其包括连接到电源单元的第一端和第二端，第一端从电源单元接收第一电压; 以及补偿单元，其包括连接到所述发光单元的第二端的第一端，并且补偿所述发光单元的所述第一电压和额定电压之间的偏差。

公开(公告)号：US20110102475A1

公开(公告)日：2011-05-05

申请号：US12794285

申请日：2010-06-04

Applicant: Pankaj AGARWAL ,  Sang-hoon LEE ,  Sung-jin CHOI ,  Tae-hoon KIM ,  Myoung-jun LEE ,  Youn-hee KIM

Inventor： Pankaj AGARWAL ,  Sang-hoon LEE ,  Sung-jin CHOI ,  Tae-hoon KIM ,  Myoung-jun LEE ,  Youn-hee KIM

IPC: G09G5/10 ,  H05B37/02

CPC classification number: H05B33/0827 ,  G09G3/342 ,  G09G2320/0233 ,  G09G2330/021

Abstract: A display apparatus, a backlight unit, a backlight providing method for controlling a plurality of light emitting diode (LED) strings are provided. The display apparatus includes a display panel, and a backlight unit (BLU) which projects backlight onto the display panel, wherein the BLU includes a plurality of light emitting diode (LED) strings, and a power supply unit which supplies minimum voltage from among the voltages needed to operate the plurality of LED strings to the plurality of LED strings. Therefore, the plurality of LED strings can have the same luminance.

Abstract translation: 提供了显示装置，背光单元，用于控制多个发光二极管（LED）串的背光提供方法。 显示装置包括显示面板和将背光投影到显示面板上的背光单元（BLU），其中，所述BLU包括多个发光二极管（LED）串，以及电源单元，其从 将多个LED串操作到多个LED串所需的电压。 因此，多个LED串可以具有相同的亮度。

公开(公告)号：US20100253665A1

公开(公告)日：2010-10-07

申请号：US12689621

申请日：2010-01-19

Applicant: Sung-jin CHOI ,  Tae-hoon KIM ,  Pankaj AGARWAL

Inventor： Sung-jin CHOI ,  Tae-hoon KIM ,  Pankaj AGARWAL

IPC: G06F3/038

CPC classification number: H05B33/0809

Abstract: A current balancing apparatus, a power supply apparatus, a lighting apparatus, and a current balancing method for preventing luminance imbalance are provided. The current balancing apparatus includes a balancer for balancing an AC current and a rectifier for generating a DC current by rectifying the balanced current. Hence, the luminance imbalance caused by dispersion of a light source can be addressed.

Abstract translation: 提供了电流平衡装置，电源装置，照明装置和用于防止亮度不平衡的电流平衡方法。 电流平衡装置包括用于平衡AC电流的平衡器和用于通过整流平衡电流产生DC电流的整流器。 因此，可以解决由光源的色散引起的亮度不平衡。