A driving circuit of a liquid crystal display (LCD) ( 23 ) includes a system driver ( 28 ), a power supply device ( 26 ) and a system control device ( 25 ). The power supply device provides a votage to the system driver. The system control device generates a control signal, a data signal, and a backlight driving signal, and applies them to the system driver. The system driver drives an LCD panel ( 21 ) and a backlight of the LCD according to the backlight driving signal, the data signal and the control signal. The configuration of the driving circuit is simple.

Claims

6 · 3 independent · depth 2

6 granted claims

›1.independentA driving circuit of a liquid crystal display (LCD), comprising:na system driver;a power supply providing a voltage to the system driver; anda control…+1

›3.independentA liquid crystal display (LCD) comprising an LCD panel, a backlight, and a driving circuit, the driving circuit comprising:na system driver;a power su…+1

›5.independentA driving circuit of a liquid crystal display (LCD), comprising:na system driver;a power supply providing a voltage to the system driver; anda control…+1

Classifications

6 codes

IPC · International Patent Classification

Section G — Physics

G09G3/36

USPC · US Patent Classification

345/102345/87345/211345/204345/212

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Pendency

3.6 y

1,303 days filing → grant

Office actions

non-final + final

Responses

1 RCE

Examiner

My-Chau T Tran

art unit 2629 · TC 2600

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Citations: 4 back · 0 forward

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Priority chain

1 priority documents

›Priority documents — 1

Type	Document	Date
related publication	US 20060274025 A1	7 Dec 2006

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