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    • 10. 发明申请
    • Backlight unit and liquid crystal display device having the same
    • 背光单元和具有该背光单元的液晶显示装置
    • US20110025949A1
    • 2011-02-03
    • US12591899
    • 2009-12-03
    • Jae Sung Park
    • Jae Sung Park
    • G02F1/1335G09F13/04
    • H05K1/189G02B6/0018G02B6/002G02B6/0083G02F1/133615H05K1/0274H05K2201/09036H05K2201/09045
    • A backlight unit capable of preventing a light leakage phenomenon caused by using a light guide plate of wedge type is disclosed. The backlight unit includes: at least one light source; a light guide plate configured to include a first portion with a first thickness disposed adjacent to the at least one light source, a second portion of plate shape having a second thickness thinner than the first thickness, and a wedge portion formed to connect the first and second portions and become gradually thinner from the first portion to the second portion; and a flexible printed circuit board loaded with the at least one light source and extended to cover the wedge portion of the light guide plate. The flexible printed circuit board is provided with a groove formed opposite a boundary area between the first portion and the wedge portion.
    • 公开了能够防止使用楔形导光板引起的漏光现象的背光单元。 背光单元包括:至少一个光源; 导光板,其构造成包括具有邻近所述至少一个光源设置的第一厚度的第一部分,具有比所述第一厚度更薄的第二厚度的板形状的第二部分,以及楔形部分,其形成为将所述第一和 第二部分并且从第一部分逐渐变薄到第二部分; 以及装载有所述至少一个光源并延伸以覆盖所述导光板的所述楔形部分的柔性印刷电路板。 柔性印刷电路板设置有与第一部分和楔形部分之间的边界区域相对的槽。