TWI407891B - Protecting module and portable electronic device using the same - Google Patents

Abstract

A protecting module used to protect a liquid crystal display module of a portable electronic device, includes an electric field shielding plate and a rubber gasket. The electric field shielding plate defines a holding portion. The holding portion includes a side wall and a bottom wall connected to the side wall. The rubber gasket defines a slot. The side wall and the bottom wall are embedded in the slot. The liquid crystal display module is received in the holding portion, and resists the rubber gasket. The protecting module has a dustproof function.

Description

Portable electronic device and protective structure thereof

The present invention relates to a portable electronic device, and more particularly to a portable electronic device having a protective structure for protecting a liquid crystal display module.

The liquid crystal display module is widely used in portable electronic devices such as personal digital assistants (PDAs) and mobile phones. In order to prevent the liquid crystal display module from directly colliding with the housing of the electronic device, the external dust is prevented from entering the liquid crystal display module, and the liquid crystal display module is prevented from being affected by the electric field generated by the internal circuit of the portable electronic device. The inside of the device is usually provided with a protective structure for protecting the liquid crystal display module.

A portable electronic device includes a liquid crystal display module and a protective structure. The protective structure includes a first foam pad, a second foam pad, and an electric field shielding plate. A receiving portion for accommodating the liquid crystal display module is formed on the electric field shielding plate. The accommodating portion is configured to prevent the liquid crystal display module from being affected by an electric field generated by an internal circuit of the portable electronic device. The material of the electric field shielding plate is metal. The first foam pad is disposed on an outer surface of the electric field shielding plate. The second foam pad is disposed on an inner wall of the receiving portion of the electric field shielding plate. The first foam pad and the second foam pad are used to prevent external dust from entering the inside of the liquid crystal module, and prevent the liquid crystal display module from directly colliding with the electric field shielding plate to be damaged.

The first foam pad and the second foam pad of the protective structure are apt to slide relative to the electric field shielding plate, so that the first foam pad, the second foam pad and the electric field shielding plate are stored in the gap, outside or inside the casing. The dust easily enters the liquid crystal display module and pollutes the liquid crystal display module.

In view of the above situation, it is necessary to provide a protective structure for protecting a liquid crystal display module, which is better in dustproof function, and a portable electronic device having the same.

A protective structure for protecting a liquid crystal display module of a portable electronic device, the protective structure comprising an electric field shielding plate and a rubber pad, wherein the electric field shielding plate is formed with a receiving portion for accommodating the liquid crystal display module, and the receiving portion comprises a side wall and The bottom wall connected to the side wall has a slot formed in the rubber pad, and the side wall and the bottom wall of the receiving portion are embedded in the slot, so that the liquid crystal display module is received in the receiving portion and abuts against the rubber pad.

A portable electronic device includes a front cover, a liquid crystal display module, and a protection structure disposed between the front cover and the liquid crystal display module. The protective structure includes an electric field shielding plate and a rubber pad, and the electric field shielding plate is formed with a liquid crystal display. a accommodating portion of the module, the accommodating portion includes a side wall and a bottom wall connected to the side wall, the rubber pad is formed with a slot, and the side wall and the bottom wall of the accommodating portion are embedded in the slot to accommodate the liquid crystal display module The inside of the portion is in contact with the rubber pad, and the electric field shielding plate is abutted against the front cover by the rubber pad.

The bottom wall and the side wall of the receiving portion of the electric field shielding plate of the protective structure of the portable electronic device are embedded in the slot of the rubber pad, so that the rubber pad is closely connected with the electric field shielding plate, so that the shielding structure has better dustproof Features.

100‧‧‧Portable electronic device

12‧‧‧ panel

123‧‧‧ Keyboard opening

20‧‧‧LCD module

30‧‧‧Protective structure

312‧‧‧First view window

331‧‧‧ 容部

3321, 3511‧‧‧ outer surface

333‧‧‧First side wall

335‧‧‧ third side wall

35‧‧‧ rubber mat

3522‧‧‧ slot

353‧‧‧ gap

356‧‧‧ Third view window

10‧‧‧ front cover

121‧‧‧Transparent window

14‧‧‧ side frame

22‧‧‧Flexible circuit board

31‧‧‧ foam pad

33‧‧‧ electric field shielding plate

332, 351‧‧‧ bottom wall

3323, 3512‧‧ ‧ steps

334‧‧‧ second side wall

336‧‧‧Second view window

352‧‧‧ side wall

3524‧‧‧through hole

355‧‧‧Positioning bulges

1 is a perspective view of a portable electronic device according to an embodiment of the present invention.

2 is a perspective exploded view of the portable electronic device shown in FIG. 1.

3 is a perspective exploded view showing another direction of the portable electronic device shown in FIG. 1.

4 is a perspective view of the rubber pad of the portable electronic device shown in FIG. 1.

Figure 5 is a partial cross-sectional view of the rubber pad shown in Figure 4 taken along line V-V.

6 is a partial cross-sectional view of the portable electronic device shown in FIG. 1 taken along line VI-VI.

The portable electronic device and its protective structure of the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

The portable electronic device of the present invention can be an electronic device such as a mobile phone or a personal digital assistant. In the present embodiment, a mobile phone will be described as an example.

Referring to FIG. 1 to FIG. 3 , the portable electronic device 100 of the embodiment of the present invention includes a front cover 10 , a liquid crystal display module 20 , and a protection structure 30 . The protective structure 30 is disposed between the front cover 10 and the liquid crystal display module 20.

The front cover 10 is a generally square housing that includes a panel 12 and side frames 14 that are bent away from the edges of the panel 12. One end of the panel 12 is provided with a transparent window 121, and the other end is provided with a keyboard opening 123. The transparent window 121 is substantially rectangular and can be made of a transparent resin. The keyboard opening 123 is used to mount a keyboard (not shown).

The liquid crystal display module 20 has a substantially square shape with a flexible circuit board 22 connected to one side thereof. The flexible circuit board 22 is for electrically connecting to a display circuit (not shown).

The protective structure 30 includes a foam pad 31, an electric field shielding plate 33, and a rubber pad 35. The foam pad 31 is provided on the rubber pad 35, and the electric field shielding plate 33 is partially embedded in the rubber pad 35.

The foam pad 31 defines a first viewing window 312 corresponding to the transparent window 121 of the front cover 10 to facilitate the display of the image by the liquid crystal display module 20.

The electric field shielding plate 33 has a substantially plate shape, and a receiving portion 331 is formed at one end thereof. The accommodating portion 331 is for accommodating the liquid crystal display module 20 . The accommodating portion 331 includes a bottom wall 332 and a first side wall 333, a second side wall 334 and a third side wall 335 which are bent and extended from the edge of the bottom wall 332. First sidewall 333 and second sidewall 334 relatively. The two ends of the third side wall 335 are respectively connected to the first side wall 333 and the second side wall 334, and the third side wall 335 is located at the end of the electric field shielding plate 33. A second viewing window 336 corresponding to the first viewing window 312 of the foam pad 31 is opened on the bottom wall 332. Specifically, in the embodiment, the outer surface 3321 of the bottom wall 332 protrudes outward from the inner edge portion of the second viewing window 336 to form a step 3323.

Referring to FIG. 4 and FIG. 5 simultaneously, the rubber pad 35 includes a bottom wall 351, three side walls 352 extending from the edge of the bottom wall 351, and positioning protrusions 355. A third viewing window 356 corresponding to the second viewing window 336 of the electric field shielding plate 33 is opened on the bottom wall 351. The three side walls 352 are connected and form a notch 353. The positioning protrusion 355 is located at the notch 353. Specifically, in the embodiment, the outer surface 3511 of the bottom wall 351 protrudes outwardly from the inner edge portion of the third viewing window 356 to form a step 3512. The foam pad 31 is placed on the outer surface 3511 of the bottom wall 351 and is limited by the step 3512. Each of the side walls 352 is connected to the bottom wall 351 and is provided with a plurality of equally spaced through holes 3524. The through hole 3524 facilitates elastic deformation of the rubber pad 35 and improves the shock absorbing function of the rubber pad 35. Each of the side walls 352 is provided with a plurality of slots 3522 along its extending direction. The bottom wall 332, the first side wall 333, the second side wall 334, and the third side wall 335 of the accommodating portion 331 of the electric field shielding plate 33 are all embedded in the slots 3522 of the rubber pad 35. The electric field shielding plate 33 and the rubber pad 35 may be integrally formed by an insert molding method, or may be separately prepared separately. In this embodiment, a slot 3522 is formed on the three side walls 352 of the rubber pad 35, and the bottom wall 332, the first side wall 333, the second side wall 334, and the third side wall 335 of the receiving portion 331 of the electric field shielding plate 33 are further disposed. Embedded in the slot 3522 of the rubber pad 35.

When the electronic device 100 is assembled, first, the bottom wall 332, the first side wall 333, the second side wall 334, and the third side wall 335 of the accommodating portion 331 of the electric field shielding plate 33 are embedded in the slot 3522 of the rubber pad 35, and The positioning projection 355 of the rubber pad 35 abuts against the bottom wall 332 of the accommodating portion 331 of the electric field shielding plate 33, thereby fixing the rubber pad 35 to the electric field shielding plate 33. Then, the foam pad 31 is placed on the outer surface 3511 of the bottom wall 351 of the rubber pad 35 and is restrained by the step 3512. Next, the foam pad 31, the electric field shielding plate 33 and the rubber pad 35 are placed together on the front cover 10, so that the electric field shielding plate 33 is made by the bubble. The cotton pad 31 and the rubber pad 35 abut against the front cover 10, and the transparent window 121 of the front cover 10 and the first viewing window 312 of the foam pad 31, the second viewing window 336 of the electric field shielding plate 33, and the rubber pad 35 The third view window 356 corresponds. Finally, the liquid crystal display module 20 is placed in the accommodating portion 331 of the electric field shielding plate 33 and is in contact with the rubber pad 35.

The bottom wall 332, the first side wall 333, the second side wall 334, and the third side wall 335 of the receiving portion 331 of the electric field shielding plate 33 of the protective structure 30 of the portable electronic device 100 are all embedded in the slot 3522 of the rubber pad 35. The rubber pad 35 is closely connected to the electric field shielding plate 33; and the foam pad 31 is in direct contact with the rubber pad 35 and is limited by the step 3512 of the bottom wall 351 of the rubber pad 35, so that the protection structure 30 has better dustproof Features.

It can be understood that the foam pad 31 can also be omitted. At this time, the rubber pad 35 directly abuts against the front cover 10. After the foam pad 31 is omitted, the overall thickness of the protective structure 30 is reduced to facilitate the thinning of the portable electronic device 100.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

100‧‧‧Portable electronic device

12‧‧‧ panel

123‧‧‧ Keyboard opening

20‧‧‧LCD module

30‧‧‧Protective structure

33‧‧‧ electric field shielding plate

332‧‧‧ bottom wall

334‧‧‧ second side wall

336‧‧‧Second view window

10‧‧‧ front cover

121‧‧‧Transparent window

14‧‧‧ side frame

22‧‧‧Flexible circuit board

31‧‧‧ foam pad

331‧‧‧ 容部

333‧‧‧First side wall

335‧‧‧ third side wall

35‧‧‧ rubber mat

Claims (12)

A protective structure for protecting a liquid crystal display module of a portable electronic device, the protective structure comprising an electric field shielding plate, the electric field shielding plate forming a receiving portion for accommodating the liquid crystal display module, the receiving portion comprising a sidewall The bottom wall connected to the side wall is improved in that the protective structure further comprises a rubber pad, and the rubber pad and the electric field shielding plate are integrally formed by an insert molding method, the rubber pad comprises a bottom wall and is bent from an edge of the bottom wall a slit is formed on the side wall of the three sides of the rubber pad, and a slot is formed in the extending direction of the three side walls of the rubber pad. The side wall and the bottom wall of the receiving portion are embedded in the slot, so that the liquid crystal display module is received in the receiving portion. And with the rubber mat to resist. The protective structure of claim 1, wherein the three side walls are sequentially connected and form a gap. The protective structure of claim 2, wherein the rubber pad further comprises a positioning protrusion disposed at the notch and abutting against a bottom wall of the receiving portion. The protective structure according to claim 2, wherein the three side walls of the rubber pad are provided with a plurality of equally spaced through holes to facilitate elastic deformation of the rubber pad. The protective structure of claim 2, wherein the protective structure further comprises a foam pad disposed on a bottom wall of the rubber pad, the foam pad is provided with a first viewing window, and the bottom of the electric field shielding plate A second viewing window is opened on the wall, and a third viewing window is opened on the bottom wall of the rubber pad, and the third viewing window corresponds to the first viewing window and the second viewing window. The protective structure according to claim 5, wherein the bottom wall of the rubber pad is provided with a step for limiting the foam pad, the step being adjacent to the third viewing window from the outer surface of the bottom wall of the rubber pad. The inner edge portion protrudes outward. A portable electronic device includes a front cover, a liquid crystal display module, and a protection structure disposed between the front cover and the liquid crystal display module, the protection structure including an electric field shielding plate, the electric field shielding A receiving portion for accommodating the liquid crystal display module is formed on the board, the receiving portion includes a side wall and a bottom wall connected to the side wall, wherein the protection structure further comprises: a rubber pad, the rubber pad and the electric field shielding plate The rubber mat comprises a bottom wall and three side walls extending from an edge of the bottom wall, and the three side walls of the rubber mat are provided with slots along the extending direction thereof, and the side wall of the receiving portion The bottom wall is embedded in the slot, so that the liquid crystal display module is received in the receiving portion and abuts against the rubber pad, and the electric field shielding plate is abutted against the front cover by a rubber pad. The portable electronic device of claim 7, wherein the three side walls are sequentially connected and form a gap. The portable electronic device of claim 8, wherein the rubber pad further comprises a positioning protrusion disposed at the notch and abutting against a bottom wall of the receiving portion. The portable electronic device of claim 8, wherein the three side walls of the rubber pad are provided with a plurality of equally spaced through holes to facilitate elastic deformation of the rubber pad. The portable electronic device of claim 8, wherein the protective structure further comprises a foam pad disposed on a bottom wall of the rubber pad, wherein the foam pad is provided with a first viewing window, the electric field shielding plate a second viewing window is opened on the bottom wall, and a third viewing window is opened on the bottom wall of the rubber pad, and the front cover is provided with a transparent window, the transparent window and the first viewing window, the second viewing window and the The third view window corresponds. The portable electronic device of claim 11, wherein the bottom surface of the rubber pad is provided with a step for limiting the foam pad, the step being adjacent to the third view from the outer surface of the bottom wall of the rubber pad. The inner edge of the window protrudes outward.