Integrated driving board and liquid crystal display module having the same

• US 20090128471A1
• Filed: 05/28/2008
• Published: 05/21/2009
• Est. Priority Date: 11/15/2007
• Status: Abandoned Application

• Current Assignee: Young Lighting Technology Corporation
• Original Assignee: Young Lighting Technology Corporation
• Inventors: Hsiao, Chien-Chung, Chou, Wei-Jen, Pan, Bor-Jyh
• Application Number:
  US12/153,912
• Publication Number:
  US 20090128471A1
• Time in Patent Office: Days
• US Class Current: 345/88
• CPC Class Codes: G09G 2300/0426 Layout of electrodes and connections
• CPC Class Codes: G09G 2360/145 the light originating from the display screen
• CPC Class Codes: G09G 3/3406 Control of illumination source illumination devices structurally associated with liquid crystal cells G02F1/1336
• CPC Class Codes: G09G 3/3611 Control of matrices with row and column drivers

Abstract

A liquid crystal display module and an integrated driving board thereof are disclosed. The driving board includes a substrate, a circuit pattern, a timing clock driver, a light emitting diode (LED) driving module, a color management module and a photosensitive chip. The circuit pattern is disposed on the surface of the substrate. The timing clock driver, the LED driving module, the color management module and the photosensitive chip are disposed on the substrate and electrically coupled to the circuit pattern. The LED driving module is electrically coupled to the timing clock driver. The color management module is electrically coupled to the LED driving module. The photosensitive chip is electrically coupled to the color management module.

Claims

1. An integrated driving board, applied to a liquid crystal display module, comprising:

a substrate, having a surface;

a circuit pattern, laid on the surface of the substrate;

a timing clock driver, electrically coupled to the circuit pattern and fixed on the substrate;

a light emitting diode driving module, fixed on the substrate and electrically coupled to the circuit pattern, so as to electrically conduct the light emitting diode driving module with the timing clock driver;

a color management module, fixed on the substrate and electrically coupled to the circuit pattern, so as to electrically conduct the color management module with the light emitting diode driving module; and

a photosensitive chip, fixed on the substrate and electrically coupled to the circuit pattern, so as to electrically conduct the photosensitive chip with the color management module.

2. The integrated driving board of claim 1, wherein the light emitting diode driving module comprises a microcontroller and at least a red, a blue and a green light emitting diode boost converters.

3. The integrated driving board of claim 2, wherein the microcontroller of the light emitting diode driving module comprises an electrically-erasable programmable read-only memory, an analog-to-digital converter and an inter-integrated circuit command.

4. A liquid crystal display module, comprising:

a liquid crystal display panel;

an integrated driving board, comprising a substrate, a circuit pattern laid on the substrate, a timing clock driver electrically coupled to the liquid crystal display panel, a light emitting diode driving module, a photosensitive chip and a color management module, wherein the timing clock driver, the light emitting diode driving module, the photosensitive chip and the color management module are all electrically coupled to the circuit pattern and fixed on the substrate;

a first connection wire, electrically coupled to the light emitting diode driving module of the integrated driving board;

a second connection wire, electrically coupled to the timing clock driver of the integrated driving board;

a backlight module, electrically coupled to the first connection wire; and

a system board, electrically coupled to the second connection wire.

5. The liquid crystal display module of claim 4 further comprising a frame having a photosensitive gap corresponding to the photosensitive chip of the integrated driving board.

6. The liquid crystal display module of claim 4 further comprising a plurality of flexible print circuit boards, wherein the integrated driving board is electrically coupled to the plural flexible print circuit boards and the plural flexible circuit boards are electrically coupled to the liquid crystal display panel.

7. The liquid crystal display module of claim 4, wherein the light emitting diode driving module is electrically coupled to the timing clock driver.

8. The liquid crystal display module of claim 4, wherein the color management module is electrically coupled to the light emitting diode driving module.

9. The liquid crystal display module of claim 4, wherein the photosensitive chip is electrically coupled to the color management module.

10. The liquid crystal display module of claim 4, wherein the backlight module comprises at least a red, a blue and a green light emitting diodes.

11. The liquid crystal display module of claim 4, wherein each of the first and second connection wires is a flexible flat cable or a flexible print circuit board.