Liquid crystal display panel having a touch function

• US 8,427,622 B2
• Filed: 08/24/2011
• Issued: 04/23/2013
• Est. Priority Date: 12/01/2008
• Status: Active Grant

• Current Assignee: HannStar Display Corporation
• Original Assignee: HannStar Display Corporation
• Inventors: Yang, Kei Hsiung, Chen, Po Yang, Tang, Pao Yun
• Primary Examiner(s): Doan, Jennifer
• Application Number:
  US13/216,315
• Publication Number:
  US 20110304793A1
• Time in Patent Office: 608 Days
• Field of Search: 349/56, 349/84, 349/139, 349/149, 349/150, 349/151
• US Class Current: 349/149
• CPC Class Codes: G02F 1/13452 Conductors connecting driver circuitry and terminals of panels

Abstract

A liquid crystal display panel includes a lower substrate, a printed circuit board, at least one connection unit and a plurality of readout lines. The connection unit is adapted to connect the printed circuit board to a periphery region of the lower substrate, and has a driver. The readout lines are extended from the lower substrate to the printed circuit board through the connection unit having the driver.

Claims

1. A liquid crystal display panel comprising:

a lower substrate having a plurality of data lines and a periphery region;

a printed circuit board;

at least one connection unit adapted to connect the printed circuit board to the periphery region of the lower substrate, and comprising a driver; and

a plurality of readout lines extended from the lower substrate to the printed circuit board through the connection unit having the driver.

2. The liquid crystal display panel as claimed in claim 1, wherein the connection unit further comprises a flexible board, and the driver is mounted on the flexible board.

3. The liquid crystal display panel as claimed in claim 2, wherein the lower substrate is provided with at least one signal line, the flexible board is provided with at least one conductive line, and the signal line and conductive line are electrically connected to each other, whereby the readout line is constituted by the signal line and conductive line.

4. The liquid crystal display panel as claimed in claim 3, wherein the readout lines pass through a bottom of the driver.

5. The liquid crystal display panel as claimed in claim 4, wherein the driver comprises a plurality of bumps, the readout lines passing through the bottom of the driver are located between the bumps, and the bumps are electrically connected to the data lines .

6. The liquid crystal display panel as claimed in claim 2, wherein:

the lower substrate is provided with at least one signal line;

the flexible board is provided with at least one input conductive line and at least one output conductive line;

the driver comprises at least one input terminal, shorting line and output terminal; and

the signal line, input conductive line, input terminal, shorting line, output terminal and output conductive line are electrically connected in sequence, whereby the readout line is constituted by the signal line, input conductive line, input terminal, shorting line, output terminal and output conductive line.

7. A liquid crystal display panel comprising:

a lower substrate having a plurality of data lines and a periphery region;

a driver mounted on the lower substrate;

a printed circuit board;

at least one connection unit adapted to connect the printed circuit board to the periphery region of the lower substrate; and

a plurality of readout lines extended from the lower substrate to the printed circuit board through the driver and the connection unit in order.

8. The liquid crystal display panel as claimed in claim 7, wherein the lower substrate is provided with at least one signal line, the connection unit further comprises a flexible board which is provided with at least one conductive line, and the signal line and conductive line are electrically connected to each other, whereby the readout line is constituted by the signal line and conductive line.

9. The liquid crystal display panel as claimed in claim 8, wherein the readout lines pass through a bottom of the driver.

10. The liquid crystal display panel as claimed in claim 9, wherein the driver comprises a plurality of bumps, the readout lines passing through the bottom of the driver are located between the bumps, and the bumps are electrically connected to the data lines.

11. The liquid crystal display panel as claimed in claim 7, wherein:

the lower substrate is provided with at least one input signal line and at least one output signal line;

the connection unit further comprises a flexible board which is provided with at least one conductive line;

the driver comprises at least one input terminal, shorting line and output terminal; and

the input signal line, input terminal, shorting line, output terminal, output signal line and conductive line are electrically connected in sequence, whereby the readout line is constituted by the input signal line, input terminal, shorting line, output terminal, output signal line and conductive line.

12. A liquid crystal display device comprising:

a top frame;

a liquid crystal display panel comprising;

a lower substrate having a plurality of data lines and a periphery region;

a printed circuit board;

at least one connection unit adapted to connect the printed circuit board to the periphery region of the lower substrate, and comprising a driver; and

a plurality of readout lines extended from the lower substrate to the printed circuit board through the connection unit having the driver; and

a backlight module including a bottom plate assembled with the top frame so as to fix the liquid crystal display panel and the backlight module on the liquid crystal display device.

13. The liquid crystal display device as claimed in claim 12, wherein the connection unit further comprises a flexible board, and the driver is mounted on the flexible board.

14. The liquid crystal display device as claimed in claim 13, wherein the lower substrate is provided with at least one signal line, the flexible board is provided with at least one conductive line, and the signal line and conductive line are electrically connected to each other, whereby the readout line is constituted by the signal line and conductive line.

15. The liquid crystal display device as claimed in claim 14, wherein the readout lines pass through a bottom of the driver.

16. The liquid crystal display device as claimed in claim 15, wherein the driver comprises a plurality of bumps, the readout lines passing through the bottom of the driver are located between the bumps, and the bumps are electrically connected to the data lines.

17. The liquid crystal display device as claimed in claim 13, wherein:

the lower substrate is provided with at least one signal line;

the flexible board is provided with at least one input conductive line and at least one output conductive line;

the driver comprises at least one input terminal, shorting line and output terminal; and

the signal line, input conductive line, input terminal, shorting line, output terminal and output conductive line are electrically connected in sequence, whereby the readout line is constituted by the signal line, input conductive line, input terminal, shorting line, output terminal and output conductive line.

18. A liquid crystal display device comprising:

a top frame;

a liquid crystal display panel comprising;

a lower substrate having a plurality of data lines and a periphery region;

a driver mounted on the lower substrate;

a printed circuit board;

at least one connection unit adapted to connect the printed circuit board to the periphery region of the lower substrate; and

a plurality of readout lines extended from the lower substrate to the printed circuit board through the driver and the connection unit in order; and

a backlight module including a bottom plate assembled with the top frame so as to fix the liquid crystal display panel and the backlight module on the liquid crystal display device.

19. The liquid crystal display device as claimed in claim 18, wherein the lower substrate is provided with at least one signal line, the connection unit further comprises a flexible board which is provided with at least one conductive line, and the signal line and conductive line are electrically connected to each other, whereby the readout line is constituted by the signal line and conductive line.

20. The liquid crystal display panel as claimed in claim 19, wherein the readout lines pass through a bottom of the driver.

21. The liquid crystal display panel as claimed in claim 20, wherein the driver comprises a plurality of bumps, the readout lines passing through the bottom of the driver are located between the bumps, and the bumps are electrically connected to the data lines.

22. The liquid crystal display panel as claimed in claim 18, wherein:

the lower substrate is provided with at least one input signal line and at least one output signal line;

the connection unit further comprises a flexible board which is provided with at least one conductive line;

the driver comprises at least one input terminal, shorting line and output terminal; and

the input signal line, input terminal, shorting line, output terminal, output signal line and conductive line are electrically connected in sequence, whereby the readout line is constituted by the input signal line, input terminal, shorting line, output terminal, output signal line and conductive line.