Touch display device

• US 8,487,887 B2
• Filed: 09/23/2009
• Issued: 07/16/2013
• Est. Priority Date: 03/23/2009
• Status: Active Grant

• Current Assignee: AU Optronics Corporation
• Original Assignee: AU Optronics Corporation
• Inventors: Yu, Chia-Hsin, Huang, Shao-Chung, Liu, Yao-Chi, Liu, Chia-Yang
• Primary Examiner(s): Wong, K.
• Application Number:
  US12/564,926
• Publication Number:
  US 20100238128A1
• Time in Patent Office: 1,392 Days
• Field of Search: None
• US Class Current: 345/173
• CPC Class Codes: G06F 1/1601 Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays constructional details related to flat displays integrated in a portable computer, e.g. laptop, handheld computer G06F1/1637; constructional details related to television receivers H04N5/64
• CPC Class Codes: G06F 3/0428 by sensing at the edges of the touch surface the interruption of optical paths, e.g. an illumination plane, parallel to the touch surface which may be virtual sensing beam interruptions in a planar beam grid of an optical touch-screen G06F3/0421

Abstract

A touch display device including a main frame, a display module, a first frame, a second frame, and a touch device is provided. The main frame has a vertical sidewall part and a horizontal extension part defining a display module holding space. The display module having a display panel and a backlight module is within the display module holding space. The first frame having a side-fixing portion contacting with the backlight module and having a panel disposing portion on which the display panel is disposed is within the display module holding space. The second frame having a bottom portion on a surface of the display panel, a top portion contacting the horizontal extension part of the metal frame, and a touch device disposing portion on which the touch device within the display module holding space is disposed is within the display module holding space.

Claims

1. A touch display device, comprising:

a main frame comprising a vertical sidewall part and a horizontal extension part to construct a display module holding space;

a display module within the display module holding space, wherein the display module comprises a backlight module and a display panel;

a first frame within the display module holding space, the first frame comprising a side-fixing portion and a panel disposing portion, the side-fixing portion contacting a sidewall of the backlight module, the panel disposing portion extending to the top of the backlight module, the display panel disposed on the panel disposing portion;

a second frame within the display module holding space, the second frame comprising a bottom portion, a top portion, and a touch device disposing portion, wherein a gap is between a top surface of the top portion and a bottom surface of the bottom portion along a vertical direction, the touch device disposing portion is disposed in the gap between the top portion and the bottom portion, the bottom portion leans on a surface of the display panel, and the top portion contacts the horizontal extension part of the main frame, such that the horizontal extension part of the main frame and the display panel are spearated from each other through the second frame; and

a touch device disposed within the display module holding space and disposed on the touch device disposing portion of the second frame, such that the touch device is disposed in the gap and between the the touch device disposing portion and the top portion along the vertical direction.

2. The touch display device according to claim 1, wherein the display panel is sandwiched between the first frame and the second frame.

3. The touch display device according to claim 2, wherein the display panel is sandwiched between the panel disposing portion of the first frame and the bottom portion of the second frame.

4. The touch display device according to claim 1, further comprising a fixing component disposed between the horizontal extension part of the main frame and the second frame.

5. The touch display device according to claim 1, wherein the backlight module comprises a back plate and a light-emitting device installed within the back plate, and the side-fixing portion of the first frame is installed on the back plate.

6. A touch display device according to claim 1, wherein the touch device comprises a capacitance touch panel, a resistance touch panel, a sound wave touch device, an infrared rays touch device, or an optical touch device.

7. The touch display device according to claim 1, further comprising:

a circuit board within the display module holding space and disposed under the backlight module; and

a flexible circuit board within the display module holding space and connecting the circuit board and the display panel.

8. The touch display device according to claim 1, further comprising a case wrapping the main frame to cover the main frame and the second frame.

9. The touch display device according to claim 1, wherein the horizontal extension part of the main frame encircles the edge of the display panel.

10. The touch display device according to claim 1, wherein the side-fixing portion is adjacent to the vertical sidewall part of the main frame.

11. The touch display device according to claim 1, wherein the main frame is a metal frame, and the first and second frames are respectively a plastic frame.

12. The touch display device according to claim 1, wherein the second frame has a plurality of corners, and the touch device is disposed at least one of the corners.

13. A touch display device, comprising:

a main frame comprising a vertical sidewall part and a horizontal extension part to construct a display module holding space;

a display module within the display module holding space, wherein the display module comprises a backlight module and a display panel; and

a frame within the display module holding space, the frame comprising;

a panel disposing portion on which the display panel is disposed;

a touch device disposing portion disposed above the panel disposing portion, the display panel sandwiched between the panel disposing portion and the touch device disposing portion;

a connecting portion connecting the panel disposing portion and the touch device disposing portion, the connecting portion comprising a lower portion and an upper portion, the lower portion contacting a sidewall of the backlight module and the upper portion contacting the horizontal extension part of the main frame, wherein a gap is between a top surface of the upper portion and the touch device disposing portion along a vertical direction, the touch device disposing portion is disposed on a surface of upper poertion near the horizontal extension part of the main frame, and the horizontal extension part of the main frame and the display panel are spearated from each other through the frame; and

a touch device within the display module holding space and disposed on the touch device disposing portion of the frame, such that the touch device is disposed in the gap and between the the touch device disposing portion and the upper portion of the connecting portion along the vertical direction.

14. The touch display device according to claim 13, further comprising a fixing component disposed between the horizontal extension part of the main frame and the frame.

15. The touch display device according to claim 13, wherein the backlight module comprises a back plate and a light-emitting device installed within the back plate, and the lower portion of the connecting portion of the frame is installed on the back plate.

16. The touch display device according to claim 13, wherein the touch device comprises a capacitance touch panel, a resistance touch panel, a sound wave touch device, an infrared rays touch device, or an optical touch device.

17. The touch display device according to claim 13, further comprising:

a circuit board within the display module holding space and disposed under the backlight module; and

a flexible circuit board within the display module holding space and connecting the circuit board and the display panel.

18. The touch display device according to claim 13, further comprising a case wrapping the main frame to cover the main frame and the frame.

19. The touch display device according to claim 13, wherein the horizontal extension part of the main frame encircles the edge of the display panel.

20. The touch display device according to claim 13, wherein the main frame is a metal frame, and the frame is a plastic frame.

21. The touch display device according to claim 13, wherein the frame has a plurality of corners, and the touch device is disposed at least one of the corners.