Title:
液晶表示装置
Document Type and Number:
Japanese Patent JP4809751
Kind Code:
B2
Abstract:
The present invention provides a display device of high brightness which can eliminate brightness irregularities on a display surface while preventing the degradation of display quality attributed to an undesired electric field generated at the time of performing inverter driving of the cold cathode fluorescent lamps of a backlight. In a liquid crystal display device, a plurality of cold cathode fluorescent lamps of a backlight unit is arranged along a short axis of the display device. The cold cathode fluorescent lamp has a high-voltage electrode thereof connected to an inverter circuit and a ground electrode thereof connected to a ground. Further, the plurality of cold cathode fluorescent lamps arranged along the short axis have electrodes thereof arranged alternately between the high-voltage electrode and the ground electrode.
Inventors:
Sakae Watanabe
Hiroshi Kurihara
Kiyoshi Nishiyama
Hiroshi Kurihara
Kiyoshi Nishiyama
Application Number:
JP2006291966A
Publication Date:
November 09, 2011
Filing Date:
October 27, 2006
Export Citation:
Assignee:
Hitachi Displays Co., Ltd.
Panasonic LCD Display Co., Ltd.
Panasonic LCD Display Co., Ltd.
International Classes:
G02F1/133; F21S2/00; F21V23/02; G02F1/13357; G09G3/20; G09G3/34; G09G3/36; H05B41/24; F21Y103/00
Domestic Patent References:
| JP2004227864A | ||||
| JP2005331975A | ||||
| JP2006156413A | ||||
| JP2005203347A |
Attorney, Agent or Firm:
Haruka International Patent Office