Backlight device and display device having the same

Details Backlight device and display device having the same Backlight device and display device having the same

H - Electricity

05

B

H05B 41/24 (2006.01) G02F 1/133 (2006.01)

Patent

CA 2538498

A backlight device comprising a drive device and a backlight. The backlight comprises a first light source group and a second light source group. The drive device drives at least one fluorescent lamp in the first light source group in response to a first synchronous signal, and drives at least one fluorescent lamp in the second light source group in response to a second synchronous signal. The phase difference between the first synchronous signal and the second synchronous signal falls within a range of 60~ to 120~ or a range of 240~ to 300~.

L'invention concerne un dispositif de rétroéclairage pourvu d'un dispositif de commande et d'un rétroéclairage. Ledit rétroéclairage comporte un premier groupe de source de lumière et un second groupe de source de lumière. Ce dispositif de commande permet d'activer au moins une lampe fluorescente dans le premier groupe de source de lumière en réponse à un premier signal synchrone, et au moins une lampe fluorescente dans le second groupe de source de lumière en réponse à un second signal synchrone. La différence de phases entre les premier et second signaux synchrones se situe au sein d'une fourchette allant de 60· à 120· ou de 240· à 300·.

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