公开(公告)号：KR20070081971A

公开(公告)日：2007-08-20

申请号：KR20060014332

申请日：2006-02-14

Applicant: LG PHILIPS LCD CO LTD

Inventor： JANG HOON

IPC: G02F1/13357

CPC classification number: G02F1/133604 ,  G02F1/133603 ,  G02F1/133606 ,  G02F1/133608 ,  G02F1/133611

Abstract: A backlight unit is provided to improve the entire brightness, by realizing a hybrid typed backlight where external electrode fluorescent lamps and LED(Light Emitting Diode) lamps are mixed. A plurality of first fluorescent lamps(32a) are arranged above a cover bottom, wherein each of the first fluorescent lamps has external electrodes(33a,33b). A plurality of second fluorescent lamps(32b) are arranged between the first fluorescent lamps, wherein each of the second fluorescent lamps has external electrodes(34a.34b). The external electrodes of the second fluorescent lamp are longer than the external electrodes of the first fluorescent lamp. At least one LED lamp(35) is disposed below the first fluorescent lamps.

Abstract translation: 通过实现将外部电极荧光灯和LED（发光二极管）灯混合在一起的混合型背光，提供背光单元以提高整体亮度。 多个第一荧光灯（32a）布置在盖底之上，其中每个第一荧光灯具有外部电极（33a，33b）。 多个第二荧光灯（32b）布置在第一荧光灯之间，其中每个第二荧光灯具有外部电极（34a.34b）。 第二荧光灯的外部电极比第一荧光灯的外部电极长。 至少一个LED灯（35）设置在第一荧光灯的下方。

公开(公告)号：JP2006018270A

公开(公告)日：2006-01-19

申请号：JP2005183956

申请日：2005-06-23

Applicant: Lg Philips Lcd Co Ltd ,  エルジー フィリップス エルシーディー カンパニー リミテッド

Inventor： HONG HEE JUNG ,  JANG HOON

IPC: G09G3/36 ,  G02F1/133 ,  G02F1/13357 ,  G09G3/20 ,  G09G3/34 ,  H02M7/48 ,  H05B41/24

CPC classification number: G09G3/342 ,  G09G2320/0233 ,  G09G2320/0242 ,  G09G2320/043 ,  G09G2320/064

Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal display in which constant electric power is supplied to a lamp without depending on the scanning duty of the lamp so as to obtain desired brightness, and decrease in reliability of the lamp due to deterioration of the lamp can be prevented by suppressing the current supplied to the lamp not to exceed a set upper limit. SOLUTION: The liquid crystal display includes a lamp 110 for emitting light, a timing controller 102 for generating a lamp control signal to control a light-on time of the lamp 110, and an inverter 108 for controlling light-on and light-off of the lamp 110 according to the lamp control signal while maintaining the electric power constant supplied to the lamp 110 regardless of the light-on time for the lamp 110 and regulating the current in the lamp 110 not to exceed the set value. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种液晶显示器，其中不依赖于灯的扫描占空比而将恒定电力供应到灯以获得期望的亮度，并且由于劣化导致灯的可靠性降低 可以通过抑制提供给灯的电流不超过设定的上限来防止灯的发光。 解决方案：液晶显示器包括用于发光的灯110，用于产生灯控制信号以控制灯110的点亮时间的定时控制器102以及用于控制点灯和光的逆变器108 同时保持提供给灯110的电功率恒定，而不管灯110的点灯时间如何，并且调节灯110中的电流不超过设定值，根据灯控制信号来关闭灯110。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2007123233A

公开(公告)日：2007-05-17

申请号：JP2006171717

申请日：2006-06-21

Applicant: Lg Philips Lcd Co Ltd ,  エルジー フィリップス エルシーディー カンパニー リミテッド

Inventor： JANG HOON

IPC: H05B41/24

CPC classification number: G09G3/342 ,  G09G2310/024 ,  G09G2320/0261 ,  G09G2330/045 ,  H01J61/10 ,  H01J61/95 ,  H01J65/046 ,  H05B41/2806 ,  H05B41/282 ,  Y02B20/183 ,  Y02B20/22

Abstract: PROBLEM TO BE SOLVED: To provide an apparatus and method for driving a lamp of a liquid crystal display device that can apply a scanning backlight driving method thereto, in a liquid crystal display device using an external electrode fluorescent lamp. SOLUTION: This lamp driving apparatus of a liquid crystal display device includes: a plurality of lamps 31 irradiating light to a liquid crystal display panel; a plurality of external electrodes 32 individually arranged in the plurality of lamps 31; a common electrode 33 connected to the plurality of external electrodes 32 for supplying a tube current to each of the plurality of lamps 31; a plurality of auxiliary electrodes 35 that are detachable from and movable with respect to the plurality of external electrodes 32; and an auxiliary electrode driving part 37 sequentially connecting and disconnecting the plurality of auxiliary electrodes 35 with/from the external electrodes 32 in conjunction with a scan direction of data to be displayed on the liquid crystal display panel. COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 解决的问题：提供一种用于驱动可以应用扫描背光驱动方法的液晶显示装置的灯的装置和方法，在使用外部电极荧光灯的液晶显示装置中。 解决方案：液晶显示装置的该灯驱动装置包括：多个灯31，其将光照射到液晶显示面板; 分别布置在多个灯31中的多个外部电极32; 连接到多个外部电极32的公共电极33，用于向多个灯31中的每一个提供管电流; 多个辅助电极35，其能够相对于多个外部电极32可拆卸并且可移动; 和辅助电极驱动部37，与辅助电极驱动部37一起，依次将外部电极32的辅助电极35与外部电极32的扫描方向连接并显示在液晶显示面板上。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：GB2431765A

公开(公告)日：2007-05-02

申请号：GB0611161

申请日：2006-06-06

Applicant: LG PHILIPS LCD CO LTD

Inventor： JANG HOON

IPC: G02F1/13357 ,  G09G3/34 ,  H01J65/04

Abstract: This invention relates to an apparatus and method for driving a lamp of a liquid crystal display device that is adaptive for applying a scanning backlight driving to an external electrode fluorescent lamp. A lamp driving apparatus of a liquid crystal display device according to an embodiment of the present invention includes a plurality of lamps (31) which irradiate light to a liquid crystal display panel (42) and include external electrodes (32) ; a common electrode (33) connected to the external electrodes (32) for supplying a tube current to the lamps (31); auxiliary electrodes (35) which are movable; and an auxiliary electrode driving part (37) which sequentially combines the auxiliary electrodes (35) with and separates the auxiliary electrode from the external electrodes (32) in accordance with a scan direction of data that are displayed in the liquid crystal display panel (42). Wherein the auxiliary electrode driving part includes a piezoelectric element (39) (see Figs 7 and 8).

公开(公告)号：GB2420920B

公开(公告)日：2007-01-31

申请号：GB0512307

申请日：2005-06-16

Applicant: LG PHILIPS LCD CO LTD

Inventor： OH EUI YEOL ,  JANG HOON

IPC: H05B41/282 ,  H05B41/36

Abstract: A multiplexer (80) selectively supplies high alternating current (AC) voltage generated by multiple inverters (541-54n) for driving the lamps of each lamp group (571-57m), wherein the number of inverters is less than the number of lamp groups. A controller (52) regulates each inverter. An independent claim is also included for a lamp driving method.

公开(公告)号：GB2431765B

公开(公告)日：2007-10-31

申请号：GB0611161

申请日：2006-06-06

Applicant: LG PHILIPS LCD CO LTD

Inventor： JANG HOON

IPC: G02F1/13357 ,  G09G3/34 ,  H01J65/04

Abstract: This invention relates to an apparatus and method for driving a lamp of a liquid crystal display device that applies a scanning backlight driving to an external electrode fluorescent lamp. A lamp driving apparatus of a liquid crystal display device, including: a plurality of lamps irradiating light to a liquid crystal display panel and including external electrodes; a common electrode connected to the external electrodes that supply a tube current to the lamps; auxiliary electrodes that are movable; and an auxiliary electrode driving part sequentially connecting the auxiliary electrodes with and disconnecting the auxiliary electrode from the external electrodes in accordance with a scan direction of data to be displayed on the liquid crystal display panel.

公开(公告)号：GB2420920A

公开(公告)日：2006-06-07

申请号：GB0512307

申请日：2005-06-16

Applicant: LG PHILIPS LCD CO LTD

Inventor： OH EUI YEOL ,  JANG HOON

IPC: H05B41/282 ,  H05B41/36

Abstract: A lamp driving apparatus of a liquid crystal display device includes m lamp groups (57) in which a plurality of lamps generating light are disposed; n (n