公开(公告)号：US20080079371A1

公开(公告)日：2008-04-03

申请号：US11727675

申请日：2007-03-28

Applicant: Jeong-il Kang ,  Sang-hoon Lee ,  Kyoung-geun Lee ,  Jun-ho Sung

Inventor： Jeong-il Kang ,  Sang-hoon Lee ,  Kyoung-geun Lee ,  Jun-ho Sung

IPC: H05B37/02

CPC classification number: H05B33/0854 ,  H05B33/0818 ,  Y02B20/341

Abstract: A Light Emitting Diode (LED) lighting device capable of correcting changes in a wavelength of light output from an LED element caused by changes in temperature, and a method for controlling the same are provided. The lighting device includes a temperature-current converter which generates a current command value to correct change in a wavelength of output light based on temperature information indicating temperature of the light source, and a light source driver which receives the current command value, adjusts amplitude of a pulse width modulation (PWM) signal, and controls a driving electric current of the light source according to the adjusted PWM signal.

Abstract translation: 提供能够校正由温度变化引起的LED元件输出的光的波长变化的发光二极管（LED）照明装置及其控制方法。 照明装置包括：温度电流转换器，其根据表示光源的温度的温度信息生成电流指令值以校正输出光的波长的变化;以及光源驱动器，其接收电流指令值，调整振幅 脉冲宽度调制（PWM）信号，根据调整后的PWM信号控制光源的驱动电流。

公开(公告)号：US20070001943A1

公开(公告)日：2007-01-04

申请号：US11433573

申请日：2006-05-15

Applicant: Sang-hoon Lee ,  Jeong-il Kang ,  Kyoung-geun Lee ,  Yung-jun Park

Inventor： Sang-hoon Lee ,  Jeong-il Kang ,  Kyoung-geun Lee ,  Yung-jun Park

IPC: G09G3/32

CPC classification number: G09G3/14 ,  G09G3/2014 ,  G09G2330/028

Abstract: A display apparatus is provided to operate a light emitting unit with a small number of power drivers. The display apparatus has a plurality of light emitting units, a power driver, whose total provided therein is less than the total of light emitting units, that outputs driving power to the light emitting units. A power switch is switched on and off to supply the driving power to one of the plurality of light emitting units, and a controller controls the power switch to sequentially supply the driving power to the plurality of light emitting units.

Abstract translation: 提供了一种显示装置来操作具有少量功率驱动器的发光单元。 显示装置具有多个发光单元，其中设置的总数小于发光单元的总和的功率驱动器，其将驱动功率输出到发光单元。 电源开关被接通和断开以将驱动电力提供给多个发光单元之一，并且控制器控制电源开关以顺序地向多个发光单元提供驱动电力。

公开(公告)号：US07692909B2

公开(公告)日：2010-04-06

申请号：US11712527

申请日：2007-03-01

Applicant: Jin-hyung Lee ,  Kyoung-geun Lee

Inventor： Jin-hyung Lee ,  Kyoung-geun Lee

IPC: H02H3/20 ,  H02H3/027

CPC classification number: H02H7/1213

Abstract: A power supply device having an overvoltage cutoff function, an image display device, and a method of cutting off overvoltage are provided. The power supply device includes a switch unit which cuts off a power supply to the power supply device; and an overvoltage sensing unit which compares a voltage of the power supply device with a specified reference voltage, and if the voltage of the power supply device is higher than the specified reference voltage, generates an overvoltage cutoff signal to control the switch unit. The overvoltage cutoff signal is used to report a power supply cutoff state. Accordingly, the damage of the power supply device due to an unstable AC input voltage can be prevented and the user can be alerted to the overvoltage through the display of the power supply cutoff state.

Abstract translation: 提供具有过电压切断功能的电源装置，图像显示装置以及切断过电压的方法。 电源装置包括切断电源到电源装置的开关单元; 以及过电压感测单元，其将电源装置的电压与指定的参考电压进行比较，并且如果电源装置的电压高于指定的参考电压，则产生过电压切断信号以控制开关单元。 过电压切断信号用于报告电源切断状态。 因此，可以防止由于交流输入电压不稳定引起的电源装置的损坏，并且可以通过显示电源切断状态来向用户通知过电压。

公开(公告)号：US20070001620A1

公开(公告)日：2007-01-04

申请号：US11452211

申请日：2006-06-14

Applicant: Sang-hoon Lee ,  Jeong-il Kang ,  Kyoung-geun Lee ,  Yung-jun Park

Inventor： Sang-hoon Lee ,  Jeong-il Kang ,  Kyoung-geun Lee ,  Yung-jun Park

IPC: H05B41/24

CPC classification number: H05B33/0815 ,  H05B33/0818

Abstract: Provided is a display apparatus that includes a light source, that further includes a current generator for outputting a predetermined driving current. Further provided is a first path for supplying the driving current output by the current generator to the light source and a second path for intercepting the driving current supplied to the light source. In addition, a switch is provided for supplying the driving current output by the current generator either to the first path or to the second path and a controller is provided for controlling the switch to supply the driving current output by the current generator to the first path while the light source is turned on, and to supply the driving current to the second path while the light source is turned off. Thus, the present invention provides a display apparatus which improves a response time of electrical current when a light source is turned on and off, and thereby improves display quality.

Abstract translation: 提供了一种显示装置，其包括光源，该光源还包括用于输出预定驱动电流的电流发生器。 还提供了用于将由电流发生器输出的驱动电流提供给光源的第一路径和用于截取提供给光源的驱动电流的第二路径。 另外，提供用于将由电流发生器输出的驱动电流提供给第一路径或第二路径的开关，并且提供控制器用于控制开关以将由电流发生器输出的驱动电流提供给第一路径 同时光源被接通，并且在光源关闭时将驱动电流提供给第二路径。 因此，本发明提供了一种显示装置，其在光源接通和断开时改善电流的响应时间，从而提高显示质量。

公开(公告)号：US07158193B2

公开(公告)日：2007-01-02

申请号：US10613026

申请日：2003-07-07

Applicant: Kyoung-geun Lee ,  Chung-wook Roh ,  Joon-hwan Lee

Inventor： Kyoung-geun Lee ,  Chung-wook Roh ,  Joon-hwan Lee

IPC: H04N3/22

CPC classification number: H04N9/31 ,  H04N9/28

Abstract: Disclosed is an image misconvergence correction apparatus having a correction value generation unit for calculating a convergence correction value to correct misconvergence occurring when a video signal is scanned on a display device; an amplification unit for performing D-class amplification with respect to the convergence correction value; a convergence yoke mounted in the display device to control a path of electron beams corresponding to the video signal based on the convergence correction value amplified in the amplification unit; and a feedback sensing unit for differentially amplifying a voltage value for electric current passing through the convergence yoke, and feeding back the differentially amplified voltage value to the correction value generation unit. The misconvergence correction apparatus amplifies and outputs a convergence correction value through the D-class amplifier having excellent power consumption and heat generation characteristics, calculates the convergence correction value, and minimizes influence of switching noise outputted from the D-class amplifier.

Abstract translation: 公开了一种具有校正值生成单元的图像失收会聚校正装置，用于计算在显示装置上扫描视频信号时发生的会聚校正值，以纠正发生的失会聚; 放大单元，用于相对于会聚校正值进行D级放大; 安装在所述显示装置中的会聚轭，基于在所述放大单元中放大的会聚校正值来控制与所述视频信号对应的电子束的路径; 以及反馈感测单元，用于对通过会聚磁轭的电流的电压值进行差分放大，并将差分放大的电压值反馈给校正值生成单元。 失会聚校正装置通过具有优异的功耗和发热特性的D级放大器放大并输出会聚校正值，计算会聚校正值，并且使从D级放大器输出的开关噪声的影响最小化。

公开(公告)号：US20060290298A1

公开(公告)日：2006-12-28

申请号：US11442389

申请日：2006-05-30

Applicant: Jeong-il Kang ,  Sang-hoon Lee ,  Kyoung-geun Lee ,  Yung-jun Park

Inventor： Jeong-il Kang ,  Sang-hoon Lee ,  Kyoung-geun Lee ,  Yung-jun Park

IPC: H05B41/36

CPC classification number: H05B33/0815 ,  G09G3/14 ,  G09G3/2014 ,  G09G3/3406 ,  G09G2320/0233 ,  G09G2330/02

Abstract: The present invention relates to a display apparatus comprising a light emitting element supplying light, and a switch to switch on and off power, which is supplied to the light emitting element. A comparing unit compares a predetermined first reference voltage and an output voltage which is proportional to a current applied to the light emitting element. A controller compares a comparison voltage output, which is a comparison result of the comparing unit and a predetermined second reference voltage, in order to control the switch to be switched on and off. Accordingly, the present invention provides a display apparatus and control method which precisely controls a size of a current applied to a light emitting element.

公开(公告)号：US20060170840A1

公开(公告)日：2006-08-03

申请号：US11257078

申请日：2005-10-25

Applicant: Cheol-jin Park ,  Kyoung-geun Lee

Inventor： Cheol-jin Park ,  Kyoung-geun Lee

IPC: G02F1/1335

CPC classification number: G02F1/133604 ,  G02F2001/133612 ,  H01J61/305 ,  H01J65/046

Abstract: A surface light source unit, a liquid crystal display apparatus, and a method for reducing snaking and vibration of the positive column caused in the surface light source unit are provided. The surface light source unit includes at least one discharge space for emitting light, a first electrode positioned a distance apart from the center of one side of the discharge space for emitting current, and a second electrode positioned at a distance apart from the center of the other side of the discharge space for receiving the current emitted from the first electrode. The first electrode and the second electrode disposed at both sides of the discharge space arranged on the upper side of the surface light source unit are positioned at the upper side of the center of the discharge space. The first electrode and the second electrode positioned at both sides of the discharge space arranged on the lower side of the surface light source unit are positioned apart from the center of the discharge space. Therefore, snaking and the vibration of the positive column are reduced. A black portion generated in the upper and lower side of the conventional surface light source unit is also reduced.

Abstract translation: 提供了一种表面光源单元，液晶显示装置以及用于减少在所述表面光源单元中引起的正极柱的振动和振动的方法。 表面光源单元包括用于发光的至少一个放电空间，与放电空间的一侧的中心距离发射电流的第一电极，以及位于距离放电空间的中心一定距离处的第二电极 放电空间的另一侧用于接收从第一电极发射的电流。 设置在布置在面光源单元的上侧的放电空间两侧的第一电极和第二电极位于放电空间的中心的上侧。 位于布置在面光源单元的下侧的放电空间两侧的第一电极和第二电极位于与放电空间的中心分开的位置。 因此，正极柱的断裂和振动减小。 在常规表面光源单元的上侧和下侧产生的黑色部分也减少。

公开(公告)号：US07812553B2

公开(公告)日：2010-10-12

申请号：US11727675

申请日：2007-03-28

Applicant: Jeong-il Kang ,  Sang-hoon Lee ,  Kyoung-geun Lee ,  Jun-ho Sung

Inventor： Jeong-il Kang ,  Sang-hoon Lee ,  Kyoung-geun Lee ,  Jun-ho Sung

IPC: G05F1/00

CPC classification number: H05B33/0854 ,  H05B33/0818 ,  Y02B20/341

Abstract: A Light Emitting Diode (LED) lighting device capable of correcting changes in a wavelength of light output from an LED element caused by changes in temperature, and a method for controlling the same are provided. The lighting device includes a temperature-current converter which generates a current command value to correct change in a wavelength of output light based on temperature information indicating temperature of the light source, and a light source driver which receives the current command value, adjusts amplitude of a pulse width modulation (PWM) signal, and controls a driving electric current of the light source according to the adjusted PWM signal.

Abstract translation: 提供能够校正由温度变化引起的LED元件输出的光的波长变化的发光二极管（LED）照明装置及其控制方法。 照明装置包括：温度电流转换器，其根据表示光源的温度的温度信息生成电流指令值以校正输出光的波长的变化;以及光源驱动器，其接收电流指令值，调整振幅 脉冲宽度调制（PWM）信号，根据调整后的PWM信号控制光源的驱动电流。

公开(公告)号：US20080074818A1

公开(公告)日：2008-03-27

申请号：US11712527

申请日：2007-03-01

Applicant: Jin-hyung Lee ,  Kyoung-geun Lee

Inventor： Jin-hyung Lee ,  Kyoung-geun Lee

IPC: H02H3/027

CPC classification number: H02H7/1213

Abstract: A power supply device having an overvoltage cutoff function, an image display device, and a method of cutting off overvoltage are provided. The power supply device includes a switch unit which cuts off a power supply to the power supply device; and an overvoltage sensing unit which compares a voltage of the power supply device with a specified reference voltage, and if the voltage of the power supply device is higher than the specified reference voltage, generates an overvoltage cutoff signal to control the switch unit. The overvoltage cutoff signal is used to report a power supply cutoff state. Accordingly, the damage of the power supply device due to an unstable AC input voltage can be prevented and the user can be alerted to the overvoltage through the display of the power supply cutoff state.

Abstract translation: 提供具有过电压切断功能的电源装置，图像显示装置以及切断过电压的方法。 电源装置包括切断电源到电源装置的开关单元; 以及过电压感测单元，其将电源装置的电压与指定的参考电压进行比较，并且如果电源装置的电压高于指定的参考电压，则产生过电压切断信号以控制开关单元。 过电压切断信号用于报告电源切断状态。 因此，可以防止由于交流输入电压不稳定引起的电源装置的损坏，并且可以通过显示电源切断状态来向用户通知过电压。

公开(公告)号：US20070057936A1

公开(公告)日：2007-03-15

申请号：US11496444

申请日：2006-08-01

Applicant: Sang-hoon Lee ,  Jeong-il Kang ,  Yung-jun Park ,  Kyoung-geun Lee

Inventor： Sang-hoon Lee ,  Jeong-il Kang ,  Yung-jun Park ,  Kyoung-geun Lee

IPC: G09G5/00

CPC classification number: H05B33/0818 ,  G09G3/3406 ,  G09G2320/064 ,  G09G2330/021 ,  Y02B20/346

Abstract: The present invention provides a display apparatus and method supplying power to a light source where driving power is supplied to the light source, a main power path is provided through which the driving power is supplied from the power supply to the light source, a standby power path is branched from the main power path and returned to the power supply, a switching unit selects the driving power to be supplied from the power supply to either of the main power path or the standby power path, a standby power adjuster adjusts standby power applied to the standby power path and a controller controls the standby power adjuster to make the standby power be within an allowable range when the power is not applied to the main power path. Accordingly, a display apparatus and method which prevent a standby power from being continuously boosted up when a light source is turned off, thereby improving a display performance thereof are provided.

Abstract translation: 本发明提供了向向光源提供驱动电力的光源供电的显示装置和方法，提供从电源向光源供给驱动电力的主电力通路，备用电力 路径从主电源路径分支并返回到电源，开关单元选择从电源向主电源路径或备用电源路径中的任一个提供的驱动电力，备用电力调整器调整应用的待机电力 到待机电源路径，并且控制器控制备用电源调节器，以使电源未被施加到主电源路径时使备用电源在允许范围内。 因此，提供了当光源关闭时防止待机功率被持续提升的显示装置和方法，从而提高其显示性能。