公开(公告)号：US07262896B2

公开(公告)日：2007-08-28

申请号：US11211685

申请日：2005-08-26

Applicant: Sang-hoon Lee ,  Hyun-surk Kim

Inventor： Sang-hoon Lee ,  Hyun-surk Kim

IPC: G02B26/08

CPC classification number: G02B1/18 ,  G02B5/09 ,  G02B26/12 ,  G02B27/0006

Abstract: A polygonal mirror unit is adapted to prevent contamination using a photocatalyst, a light scanning unit, and an image forming apparatus employing the polygonal mirror. The polygonal mirror unit is designed to prevent contamination of organic materials on a reflective surface. The polygonal mirror unit includes a driving device and a polygonal mirror having a reflective surface that is rotated by the driving device and deflects and scans an incident beam. The polygonal mirror has a main body with a plurality of reflective surfaces and photocatalytic layers formed on the plurality of reflective surfaces. The photocatalytic layers are activated by an incident beam of a predetermined wavelength to decompose organic materials on the reflective surfaces.

Abstract translation: 多棱镜单元适于使用光催化剂，光扫描单元和使用多面镜的图像形成装置来防止污染。 多面镜单元被设计成防止有机材料在反射表面上的污染。 多面镜单元包括驱动装置和多面镜，其具有由驱动装置旋转的偏转和扫描入射光束的反射表面。 所述多面镜具有主体，所述主体具有多个反射表面和形成在所述多个反射表面上的光催化层。 光催化层由预定波长的入射光束激发，以分解反射表面上的有机材料。

公开(公告)号：US20070195023A1

公开(公告)日：2007-08-23

申请号：US11651570

申请日：2007-01-10

Applicant: Jeong-il Kang ,  Sang-hoon Lee

Inventor： Jeong-il Kang ,  Sang-hoon Lee

IPC: G09G3/32

CPC classification number: G09G3/3406 ,  G09G2320/064

Abstract: A light emitting apparatus includes: a plurality of light emitting parts connected in series; a current supplying part supplying current to the plurality of light emitting parts; a plurality of current switches connected in parallel to the plurality of light emitting parts, respectively, and causing the current to flow through the light emitting parts or bypass the light emitting parts; and a controlling part receiving brightness information corresponding to the plurality of light emitting parts and outputting pulse width modulation signals to the current switches so that emission time of the plurality of light emitting parts is separately adjusted based on the received brightness information.

Abstract translation: 发光装置包括：串联连接的多个发光部; 向所述多个发光部供给电流的电流供给部; 分别与所述多个发光部并联连接的多个电流开关，使所述电流流过所述发光部，或者旁路所述发光部; 以及控制部分，接收对应于所述多个发光部分的亮度信息并将脉冲宽度调制信号输出到所述电流开关，使得所述多个发光部件的发光时间基于所接收的亮度信息被单独调节。

公开(公告)号：US20070194210A1

公开(公告)日：2007-08-23

申请号：US11657063

申请日：2007-01-24

Applicant: Sang-hoon Lee ,  Jeong-il Kang

Inventor： Sang-hoon Lee ,  Jeong-il Kang

IPC: H01J40/14 ,  G01J1/44 ,  H03F3/08

CPC classification number: H03F3/08 ,  H03F2200/504 ,  H03F2200/78 ,  H05B33/0815 ,  H05B33/0818

Abstract: A light emitting apparatus and control method are provided. The light emitting apparatus includes a light emitting part; a power supply which applies a voltage to the light emitting part; a switch which is connected in series with the light emitting part; and a controller which controls the power supply to maintain a current applied to the switch, to apply a first voltage level to the light emitting part for a reserve time when the light emitting part is initially driven, and to apply a second voltage level to the light emitting part after the reserve time elapses. The light emitting apparatus and control method increase the temperature of a light emitting part by supplying power to the light emitting part for a reserve time before the light emitting part is driven normally at an initial stage of driving the light emitting part.

Abstract translation: 提供一种发光装置和控制方法。 发光装置包括发光部分; 对发光部施加电压的电源; 与发光部串联连接的开关; 以及控制器，其控制所述电源以维持施加到所述开关的电流，以在所述发光部分被初始驱动时将所述第一电压电平施加到所述发光部分以用于预留时间，并且向所述发光部分施加第二电压电平 发光部分经过预留时间。 发光装置和控制方法通过在驱动发光部分的初始阶段正常地驱动发光部分之前的预留时间向发光部分供电来增加发光部分的温度。

公开(公告)号：US20070183510A1

公开(公告)日：2007-08-09

申请号：US11622498

申请日：2007-01-12

Applicant: Nak-hee Seong ,  Jae-hong Park ,  Young-jun Kwon ,  Tae-sun Kim ,  Seon-young Yeo ,  Sang-hoon Lee

Inventor： Nak-hee Seong ,  Jae-hong Park ,  Young-jun Kwon ,  Tae-sun Kim ,  Seon-young Yeo ,  Sang-hoon Lee

IPC: H04N11/02

CPC classification number: H04N19/433 ,  H04N19/423 ,  H04N19/44 ,  H04N19/61

Abstract: A method and apparatus for decoding video, which alternately store lines of a picture in pixel units, and a method of storing a reference picture, n which the apparatus includes a memory that stores M lines of a picture in N interleave lines, wherein M is a natural number and N is a natural number smaller than M, and a decoder that decodes the picture by receiving the interleave lines, wherein pixel data of a part of the lines from among the M lines is alternately stored in each interleave line. Using the method and apparatus for decoding a video and the method of storing a reference picture, the decoding speed can be increased and latency during decoding of a video and a bandwidth can be decreased,

Abstract translation: 一种视频解码方法和装置，其以像素为单位交替存储图像的行，以及存储参考图像的方法，该装置包括存储器，其存储N个交织行中的M行，其中M是 自然数，N是小于M的自然数，以及解码器，其通过接收交织线来解码图像，其中来自M行中的一部分行的像素数据被交替地存储在每个交织行中。 使用用于解码视频的方法和装置以及存储参考图片的方法，可以提高解码速度，并且可以减少视频解码和带宽的延迟，

公开(公告)号：US07209099B2

公开(公告)日：2007-04-24

申请号：US10673417

申请日：2003-09-30

Applicant: Chung-wook Roh ,  Sang-hoon Lee ,  Hye-jeong Kim

Inventor： Chung-wook Roh ,  Sang-hoon Lee ,  Hye-jeong Kim

IPC: G09G3/28

CPC classification number: G09G3/2965 ,  G09G3/294 ,  G09G2310/066

Abstract: Provided are an apparatus and a method of driving a high-efficiency plasma display panel for quickly eliminating a free-wheeling current, generated due to the parasitic effect in an energy recovery circuit, thereby improving energy recovery efficiency. The sustain-discharge driving device of a high-efficiency plasma display panel (PDP) includes a sustain-discharge switching unit, which connects charging and discharging paths of an energy recovery unit to the PDP according to a sustain-discharge sequence, and includes an energy recovery unit which, according to an energy recovery sequence, discharges energy of the PDP to an energy accumulation device through a resonance path while in discharging mode, charges the PDP with the energy accumulated in the energy accumulation device through a resonance path while in charging mode, and forms a closed circuit in which the voltage difference between both ends of an inductor is greater than a predetermined value so as to eliminate a free-wheeling current, which is generated in the inductor of the resonance path due to a parasitic effect, during mode transition.

Abstract translation: 提供了驱动高效等离子体显示面板的装置和方法，用于快速消除由于能量回收电路中的寄生效应而产生的续流电流，从而提高能量回收效率。 高效等离子体显示面板（PDP）的维持放电驱动装置包括维持放电切换单元，其根据维持放电顺序将能量回收单元的充电和放电路径连接到PDP，并且包括 能量回收单元，其根据能量回收顺序，在放电模式下通过谐振路径将能量放电到能量积聚装置，同时在充电期间通过谐振路径以积累在能量积聚装置中的能量对PDP充电 模式，并且形成闭合电路，其中电感器两端之间的电压差大于预定值，以消除由于寄生效应而在谐振路径的电感器中产生的续流电流， 在模式转换期间。

公开(公告)号：US20070063937A1

公开(公告)日：2007-03-22

申请号：US11503280

申请日：2006-08-14

Applicant: Jeong-il Kang ,  Sang-hoon Lee ,  Chang-wan Hong ,  Yung-jun Park

Inventor： Jeong-il Kang ,  Sang-hoon Lee ,  Chang-wan Hong ,  Yung-jun Park

IPC: G09G3/32

CPC classification number: H05B33/086 ,  H05B33/0818 ,  Y02B20/346

Abstract: A display device and method for supplying stable electric power for a light source are provided. A display device comprises a plurality of light sources, a variable electrical power supply which supplies electric power for the light sources, a switching unit which is connected in series with the light sources, and a controller which controls the variable electrical power supply so that voltage across both ends of the switching unit is consistently held in relation to voltage across both ends of the light sources.

Abstract translation: 提供了一种用于为光源提供稳定电力的显示装置和方法。 显示装置包括多个光源，为光源提供电力的可变电源，与光源串联连接的切换单元，以及控制可变电源使得电压 跨越开关单元两端的电压一贯地保持在与光源两端的电压方面。

公开(公告)号：US20070047256A1

公开(公告)日：2007-03-01

申请号：US11512188

申请日：2006-08-30

Applicant: Ki-bum Seong ,  Sang-hoon Lee ,  Tae-hee Cho ,  Jeong-il Kang ,  Su-gun Kim

Inventor： Ki-bum Seong ,  Sang-hoon Lee ,  Tae-hee Cho ,  Jeong-il Kang ,  Su-gun Kim

IPC: F21V7/04

CPC classification number: G09G3/342 ,  G09G2310/024

Abstract: The present invention provides a backlight unit comprising a light source unit divided into a plurality of divisions which are driven independently each other, a light source driving group supplying electric power to the light source unit and comprising a multi-driving part which is connected to the divisions of at least two, and a light source controller controlling the light source driving group so as to selectively supply electric power to the divisions connected to the multi-driving part. The present invention also provides a method of controlling the backlight unit. Thus, the present invention provides a backlight unit and method for controlling a backlight unit comprising a light source unit which is divided into simple configurations and is efficiently driven.

Abstract translation: 本发明提供了一种背光单元，其包括被分成彼此独立驱动的多个分割的光源单元，向光源单元提供电力的光源驱动组，并且包括多驱动部分，其连接到 控制光源驱动组的光源控制器，以便选择性地向与多驱动部件连接的部分供电。 本发明还提供一种控制背光单元的方法。 因此，本发明提供了一种用于控制背光单元的背光单元和方法，该背光单元包括被分为简单配置并被有效驱动的光源单元。

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：US20060001939A1

公开(公告)日：2006-01-05

申请号：US11154518

申请日：2005-06-17

Applicant: Sang-hoon Lee ,  Hyun-surk Kim

Inventor： Sang-hoon Lee ,  Hyun-surk Kim

IPC: G02B26/08

CPC classification number: F16C33/107 ,  F16C17/026 ,  F16C39/063 ,  G02B26/121

Abstract: A dynamic bearing with an improved thrust bearing and a beam deflecting apparatus employing the same are disclosed. The dynamic bearing includes a bearing housing having a hollow cavity. A shaft is provided in the hollow cavity so that the shaft can rotate with respect to the bearing housing. First and second magnets are disposed at one end of the shaft and the hollow cavity, respectively. The first and second magnets are spaced a predetermined gap from each other and face each other. The first and second magnets generate a magnetic, repulsive force and support the shaft, without contact, in the axial and radial directions. The dynamic bearing may be used in a beam deflecting apparatus. In that case, a driving source is installed, in parts, on the bearing housing and the rotating shaft. The driving source drives the rotating shaft to rotate by electromagnetic force. A beam deflecting device is installed on the rotating shaft for deflecting an incident beam and performing a scanning operation.

Abstract translation: 公开了一种具有改进的推力轴承的动态轴承和采用该轴承的梁偏转装置。 动态轴承包括具有中空腔的轴承壳体。 在中空空腔中设置有轴，使得轴可以相对于轴承壳体旋转。 第一和第二磁体分别设置在轴和中空腔的一端。 第一和第二磁体彼此隔开预定的间隙并相互面对。 第一和第二磁体在轴向和径向方向产生磁力排斥力并且支撑轴而不接触。 动力轴承可以用在梁偏转装置中。 在这种情况下，驱动源部分地安装在轴承壳体和旋转轴上。 驱动源通过电磁力驱动旋转轴旋转。 光束偏转装置安装在旋转轴上，用于偏转入射光束并执行扫描操作。

公开(公告)号：US20050029960A1

公开(公告)日：2005-02-10

申请号：US10888001

申请日：2004-07-12

Applicant: Chung-wook Roh ,  Sang-hoon Lee

Inventor： Chung-wook Roh ,  Sang-hoon Lee

IPC: H04N5/66 ,  G09G3/20 ,  G09G3/288 ,  G09G3/291 ,  G09G3/294 ,  G09G3/296 ,  G09G3/10

CPC classification number: G09G3/2965 ,  G09G3/294 ,  G09G2310/066

Abstract: A plasma display panel sustain driver that has a decreased flywheel current. The plasma display panel sustain driver includes a power recovery capacitor that provides a predetermined voltage to the plasma display panel; a sustain switching unit connected to the plasma display panel and that sustains or discharges the voltage charged in the plasma display panel; a first power recovery unit connected between the power recovery capacitor and sustain switching unit, the first power recovery unit forming a resonant circuit together with the plasma display panel to provide a voltage charged in the power recovery capacitor to the plasma display panel through the sustain switching unit when the sustain switching unit is inactivated, the first power recovery unit blocking the output current of the sustain switching unit when the sustain switching unit is activated; and a second power recovery unit connected between the power recovery capacitor and sustain switching unit, the second power recovery unit forming a resonant circuit together with the plasma display panel to discharge the voltage charged in the plasma display panel to the power recovery capacitor when the sustain switching unit is inactivated, the second power recovery unit blocking a current path to the sustain switching unit when the sustain switching unit is activated.

Abstract translation: 具有减小的飞轮电流的等离子体显示面板维持驱动器。 等离子体显示面板维持驱动器包括向等离子体显示面板提供预定电压的功率恢复电容器; 维持切换单元，连接到等离子体显示面板，并且维持或放出等离子体显示面板中充电的电压; 连接在功率恢复电容器和维持切换单元之间的第一功率回收单元，第一功率回收单元与等离子体显示面板一起形成谐振电路，以通过维持切换将电力恢复电容器中的电压充电到等离子体显示面板 当维持切换单元被停用时，第一电源恢复单元在维持切换单元被激活时阻止维持切换单元的输出电流; 以及连接在所述功率回收电容器和维持切换单元之间的第二电力回收单元，所述第二电力回收单元与所述等离子体显示面板一起形成谐振电路，以将所述等离子体显示面板中的电压放电至所述功率回收电容器， 切换单元被停用，当维持切换单元被激活时，第二功率恢复单元阻挡到维持切换单元的电流路径。