DISPLAY DEVICE

• US 20130321293A1
• Filed: 11/15/2012
• Published: 12/05/2013
• Est. Priority Date: 05/29/2012
• Status: Active Grant

• Current Assignee: LG Display Co., Ltd.
• Original Assignee: LG Display Co., Ltd.
• Inventors: Park, Sangryeon, Park, Sangha, Min, Byeonggjo
• Granted Patent: US 9,442,585 B2
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G02B 6/0055 Reflecting element, sheet or layer
• CPC Class Codes: G02B 6/0088 of the light guide or other optical sheets in the package
• CPC Class Codes: G02F 1/133308 Support structures for LCD panels, e.g. frames or bezels
• CPC Class Codes: G02F 1/133331 Cover glasses
• CPC Class Codes: G02F 1/13338 Input devices, e.g. touch panels
• CPC Class Codes: G02F 1/133514 Colour filters
• CPC Class Codes: G02F 1/133528 Polarisers
• CPC Class Codes: G02F 1/134309 characterised by their geometrical arrangement
• CPC Class Codes: G02F 1/136286 Wiring, e.g. gate line, drain line
• CPC Class Codes: G02F 1/1368 in which the switching element is a three-electrode device G02F1/136277 takes precedence
• CPC Class Codes: G02F 2201/121 common or background
• CPC Class Codes: G02F 2201/123 pixel
• CPC Class Codes: G02F 2202/28 Adhesive materials or arrangements
• CPC Class Codes: G06F 1/16 Constructional details or arrangements
• CPC Class Codes: G06F 1/1626 with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
• CPC Class Codes: G06F 1/1643 the display being associated to a digitizer, e.g. laptops that can be used as penpads details related to the relative motion of the display enclosure with respect to the body enclosure, e.g. to move between laptop and tablet PC configuration G06F1/1615
• CPC Class Codes: G06F 3/041 Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/0446 using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
• CPC Class Codes: G06F 3/047 using sets of wires, e.g. crossed wires

Abstract

Disclosed is a display device capable of decreasing a bezel width, wherein the display device comprises a display panel; a cover glass on an upper surface of the display panel; a housing member for receiving the display panel, and covering lateral and rear sides of the display panel and a lateral side of the cover glass; and a touch sensing film for sealing a gap between the lateral side of the cover glass and the housing member, the touch sensing film adhered to a lower surface of the cover glass.

Claims

1. A display device comprising:

a display panel;

a cover glass on an upper surface of the display panel;

a housing member that receives the display panel, and covers lateral and rear sides of the display panel and a lateral side of the cover glass; and

a touch sensing film that seals a gap between the lateral side of the cover glass and the housing member, the touch sensing film adhered to a lower surface of the cover glass.

2. The display device according to claim 1, wherein the touch sensing film includes:

a touch sensor adhered to the lower surface of the cover glass, and supported on the upper surface of the display panel; and

an extending portion for sealing the gap, wherein the extending portion extends from the touch sensor to be longer than the cover glass.

3. The display device according to claim 2, wherein the extending portion extends from the touch sensor, and is bent to cover the lateral side of the display panel, and is adhered to the housing member.

4. The display device according to claim 2,

wherein the touch sensing film includes upper and lower films with sensing electrode lines, the upper and lower films confronting each other and bonded to each other, and

wherein the extending portion extends from at least any one of the upper and low films.

5. The display device according to claim 4, wherein the extending portion extends from each of both lateral sides of the touch sensor to correspond with both long lateral sides of the cover glass.

6. The display device according to claim 2,

wherein the touch sensing film further includes a light-leakage prevention member provided in an inner lateral side of the extending portion confronting the lateral side of the display panel, and

the light-leakage prevention member comprises one of a coating layer coated on the inner lateral side of the extending portion, or a tape adhered to the inner lateral side of the extending portion.

7. The display device according to claim 2, wherein the housing member includes:

a guide panel that supports the display panel;

a rear housing that receives the guide panel therein; and

a lateral housing, combined with a lateral side of the rear housing, that covers respective lateral sides of the guide panel, the display panel and the cover glass.

8. The display device according to claim 7, wherein the extending portion of the touch sensing film is adhered to an inner lateral side of the lateral housing.

9. The display device according to claim 7,

wherein the housing member further includes a support case, wherein the support case includes a support plate, placed onto the rear housing, that supports the guide panel;

and a support sidewall, vertically bent from an end of the support plate, that covers the lateral side of the guide panel, and

the extending portion of the touch sensing film is adhered to an external lateral side of the support sidewall.

10. The display device according to claim 9, wherein the extending portion of the touch sensing film extends to cover the support sidewall and a lower edge portion of the support plate, and is adhered to the lower edge portion of the support plate.

11. The display device according to claim 2, wherein the housing member includes:

a guide panel that supports the display panel; and

a housing cover that receives the guide panel therein, and covers respective lateral sides of the guide panel, the display panel and the cover glass.

12. The display device according to claim 11,

wherein the housing member further includes a support case, wherein the support case includes a support plate, placed onto the housing cover, that supports the guide panel;

and a support sidewall, vertically bent from an end of the support plate, that covers the lateral side of the guide panel, and

the extending portion of the touch sensing film is adhered to an external lateral side of the support sidewall.

13. The display device according to claim 11, wherein the housing cover includes:

a rear cover that supports the guide panel; and

a lateral cover, vertically bent from the rear cover, that covers respective lateral sides of the guide panel, the display panel and the cover glass,

wherein the extending portion of the touch sensing film is adhered to an inner lateral side of the lateral cover.