Display device having anti-fog transparent protection plate

• US 7,626,808 B2
• Filed: 05/10/2007
• Issued: 12/01/2009
• Est. Priority Date: 12/29/2006
• Status: Expired due to Fees

• Current Assignee: Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. (Hon Hai Precision Industry Co., Ltd.), Hon Hai Precision Industry Co., Ltd.
• Original Assignee: Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. (Hon Hai Precision Industry Co., Ltd.), Hon Hai Precision Industry Co., Ltd.
• Inventors: Tai, Lone-Wen, Dai, Jun, Wu, Zi-Li, Su, Hai-Xia, Hong, James Juehui
• Primary Examiner(s): Gandhi; Jayprakash N
• Assistant Examiner(s): HAUGHTON, ANTHONY MICHAEL
• Application Number:
  US11/746,646
• Publication Number:
  US 20080158799A1
• Time in Patent Office: 936 Days
• Field of Search: 361/681, 361/679.21, 361/679.22, 361/679.26
• US Class Current: 361/679.21
• CPC Class Codes: H05K 5/02 Details

Abstract

An exemplary display device (10) includes a display module (11), a frame (12), a porous metallic material member (13), and a transparent protection plate (14). The frame has a receiving cavity (121). The display module is confined in the receiving cavity of the frame. The transparent protection plate is configured in front of the light output side of the display module. The porous metallic material member is located between the front surface (122) of the frame and the transparent protection plate. The display device can prevent fogs forming on the transparent protection plate for maintaining a clear display.

Claims

1. A display device, comprising:

a frame defining a receiving cavity;

a display module received in the receiving cavity of the frame;

a transparent protection plate configured on a light output side of the display module, the transparent protection plate and a light output surface of the display module being spaced apart from one another so that an interspace is defined between the transparent protection plate and the light output surface; and

a porous metallic material member located at an edge between the display module and the transparent protection plate to regulate ventilation between the interspace end outside while filtering out dust particles wherein the frame comprises a front surface and a flange portion protruding from the front surface, the front surface and the flange portion cooperatively define a room for receiving the porous metallic material member and the transparent protection plate.

2. The display device as claimed in claim 1, wherein the display module is selected from a group consisting of a liquid crystal display module, a plasma display module, a field emission display module, and an electroluminescent display module.

3. The display device as claimed in claim 1. wherein the transparent protection plate is made of a material selected from a group consisting of plastic, glass, and any combination thereof.

4. The display device as claimed in claim 1, wherein the porous metallic material member is made of one of a porous metallic material and a porous composite metallic material.

5. The display device as claimed in claim 4, wherein the porous metallic material is made of material selected from a group consisting of aluminium alloy, ferrous alloy, nickel alloy, magnesium alloy, and any combination thereof.

6. The display device as claimed in claim 1, wherein the porous metallic material member comprises a first surface interconnecting with the frame, and a second surface located at the opposite side of the first surface interconnecting with the transparent protection plate.

7. The display device as claimed in claim 1, wherein the transparent protection plate defines a plurality of through holes in at least one edge thereof corresponding to the porous metallic material member.

8. The display device as claimed in claim 1, wherein the frame, the transparent protection plate and the porous metallic material member are fixed together by at least one of a piece of double-sided adhesive tape, solid adhesive, and glue, or by at least one of a fastening member and a latching member.

9. The display device as claimed in claim 1, wherein the porous metallic material member is substantially a rectangular frame in shape.

10. The display device as claimed in claim 1, wherein the porous metallic material member is made of at least one porous metallic material unit, each of the at least one porous metallic material unit is an elongated rectangular sheet in shape.

11. A display device, comprising:

a frame comprising a front surface and a plurality of side rims extending rearwards from a periphery of the front surface, wherein the front surface defines a window, the front surface and the side rims cooperatively defines a receiving cavity under the front surface;

a display module having a light output surface confined in the receiving cavity;

a transparent protection plate located in front of the display module, the transparent protection plate and a light output surface of the display module being spaced apart from one another so that an interspace is defined between the transparent protection plate and the light output surface; and

a porous metallic material member located between the front surface of the frame and the transparent protection plate to regulate ventilation between the interspace and outside while filtering out dust particles wherein the frame further comprises a flange portion protruding from the front surface, the front surface and the flange portion cooperatively define a room for receiving the porous metallic material member and the transparent protection plate.

12. The display device as claimed in claim 11, wherein the transparent protection plate is made of a material selected from a group consisting of plastic, glass, and any combination thereof.

13. The display device as claimed in claim 11, wherein the porous metallic material member is made of one of a porous metallic material and a porous composite metallic material.

14. The display device as claimed in claim 11, wherein the transparent protection plate defines a plurality of through holes in at least one edge thereof corresponding to the porous metallic material member.

15. The display device as claimed in claim 11, wherein the porous metallic material member is substantially a rectangular frame in shape.

16. A display device, comprising:

a frame defining a receiving cavity;

a display module received in the receiving cavity of the frame;

a transparent protection plate configured on a light output side of the display module the transparent protection plate and a light output surface of the display module being spaced apart from one another so that an interspace is defined between the transparent protection plate and the light output surface; and

a porous metallic material member located exclusively throughout every edge between the display module and the transparent protection plate wherein the frame further comprises a flange portion protruding from the front surface, the front surface and the flange portion cooperatively define a room for receiving the porous metallic material member and the transparent protection plate.