WO2016078128A1

WO2016078128A1 - Display

Info

Publication number: WO2016078128A1
Application number: PCT/CN2014/092608
Authority: WO
Inventors: 周革革
Original assignee: 深圳市华星光电技术有限公司
Priority date: 2014-11-17
Filing date: 2014-11-29
Publication date: 2016-05-26
Also published as: JP6369924B2; KR20170072368A; JP2017537345A; CN104375304A; GB201706599D0; KR101955137B1; GB2546054A; GB2546054B; CN104375304B

Abstract

A display comprises a display panel (10) and a backlight module (20). The display panel (10) is stacked above the backlight module (20) and comprises an edge area (162). The display further comprises a double-faced adhesive tape (30) and a protective film (40). The protective film (40) is non-adhesive and provided with a plurality of windows (42). The protective film (40) is attached to one side of the double-faced adhesive tape (30), the other side of the double-faced adhesive tape (30) is attached to the backlight module (20), the edge area (162) of the display panel (10) is located on one side of the protective film (40) away from the double-faced adhesive tape (30), and the double-faced adhesive tape (30) in the area of the windows (42) makes contact with the edge area (162) so that the display panel (10) is adhered to the backlight module (20). The above structure can guarantee the quality and the service life of the display panel of the display.

Description

monitor

The present application claims priority to the priority of the application Serial No. 201410655422.2, filed on Nov. 17, 2014, the disclosure of which is incorporated herein by reference.

Technical field

The present invention relates to the field of liquid crystal display technology, and in particular, to a display.

Background technique

At present, liquid crystal display devices have been widely used as display components of electronic devices in various electronic products. The borders of these electronic devices are becoming narrower and narrower, and the brightness requirements are also higher and higher, and the power saving requirements are also met. The display and display panel are important components in the liquid crystal display device.

In general, the display panel is fixed to the periphery of the display by double-sided tape. However, as the thickness of the liquid crystal module becomes thinner and thinner, the thickness of the display panel is also severe. After the thickness of the display panel is thinned, the edge of the display panel is bonded to the double-sided tape, and the double-sided adhesive is adhered. The attachment force is easy to cause damage to the display panel. Especially in heavy work, the display panel needs to be detached from the double-sided tape. To overcome the stickiness of the double-sided tape, the display panel is easily damaged.

Summary of the invention

The technical problem to be solved by the present invention is to provide a display capable of ensuring the quality and life of the display panel of the display, and the display panel is not easily damaged during rework.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

The present invention provides a display including a display panel and a backlight module. The display panel is stacked above the backlight module. The display panel includes an edge region, and the display further includes a double-sided tape and a protective film. The protective film is non-adhesive, and the protective film is provided with a plurality of windows, the protective film is attached to one side of the double-sided tape, and the other side of the double-sided tape is attached to the backlight module. Display surface An edge region of the plate is located on a side of the protective film away from the double-sided tape, and the double-sided tape in the window region contacts the edge region to adhere the display panel to the Backlight module.

Wherein, the display panel comprises an upper polarizer, an upper glass, a lower glass and a lower polarizer which are sequentially stacked, the edges of the lower glass protrude to form the edge region, and the double-sided tape extends to the lower portion a bottom of the edge of the polarizer to adhere the lower polarizer to the backlight module.

Wherein a top surface of the protective film is in contact with a bottom surface of the edge region, a top surface of the lower polarizer is in contact with the lower layer glass, and a top surface of the protective film is flush with a top surface of the lower polarizer level.

The top surface of the edge region is provided with a chip and a flexible circuit board, and the touch function of the display panel is implemented by the chip and the flexible circuit board.

The backlight module includes a plastic frame, a light guide plate, an optical film, and a light bar light source. The light guide plate is disposed in a space surrounded by the plastic frame, and the light bar light source is disposed on the plastic frame. The optical film is laminated on the light guide plate at a position adjacent to the light guide plate, and the lower polarizer is disposed on a side of the optical film away from the light guide plate, the double A surface glue adheres to the bezel, the light strip source, and the edge of the optical film.

The light bar light source includes a base and a light emitting member, the light emitting member protrudes from one side of the base, and the light emitting member extends between the plastic frame and the light guide plate, the base The surface of the seat away from the illuminating member is flush with the top surface of the plastic frame, and the two together form an adhesive surface, and the double-sided tape is adhered to the bonding surface.

Wherein, the protective film and the double-sided tape are of a unitary structure or a separable structure.

The invention provides a protective film between the double-sided tape and the edge region of the display panel, and the protective film is not sticky, so that the edge region is in contact with the protective film, thereby reducing the adhesion strength between the edge region of the display panel and the backlight module. In the process of detaching the display panel from the backlight module, the damage of the panel is greatly reduced, and the setting of the protective film is such that there is no gap between the edge region of the display panel and the backlight module, thereby reducing the display panel caused by the gap. Internal stress optimizes the display of the display panel.

DRAWINGS

In order to more clearly illustrate the technical solution of the present invention, the drawings to be used in the embodiments will be briefly described below. Obviously, the drawings in the following description are only some implementations of the present invention. In the manner, other drawings can be obtained as those of ordinary skill in the art without any inventive effort.

1 is a schematic cross-sectional view of a display in an embodiment of the present invention.

2 is a schematic view of a protective mold of the display shown in FIG. 1.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described in the following with reference to the accompanying drawings.

Referring to FIG. 1 , the present invention provides a display including a display panel 10 and a backlight module 20 . The display panel 10 is stacked above the backlight module 20 , and the display panel 10 includes an edge region 162 . The display further includes a double-sided tape 30 and a protective film 40, the protective film 40 being non-tacky, and the protective film 40 is provided with a plurality of windows 42, as shown in FIG. The protective film 40 is attached to one side of the double-sided tape 30 , and the other side of the double-sided tape 30 is attached to the backlight module 20 . An edge region 162 of the display panel 10 is located on a side of the protective film 40 away from the double-sided tape 30, and the double-sided tape 30 in the region of the window 42 is in contact with the edge region 162 to The display panel 10 is adhered to the backlight module 20.

By providing the protective film 40 between the double-sided tape 30 and the edge region 162 of the display panel 10, the protective film 40 is not sticky, so that the edge region 162 is in contact with the protective film 40, which can reduce the edge region 162 of the display panel 10 and The adhesion strength between the backlight modules 20 is such that the damage of the panel is greatly reduced in the process of detaching the display panel 10 from the backlight module 20.

The arrangement of the protective film 40 is such that there is no gap between the edge region 162 of the display panel 10 and the backlight module 20, which reduces the internal stress of the display panel 10 due to the presence of the gap, and optimizes the display effect of the display panel 10.

Specifically, the display panel 10 includes an upper polarizer 12, an upper glass 14, a lower glass 16, and a lower polarizer 18 which are sequentially stacked, and an edge of the lower glass 16 protrudes to form an edge region 162. The topsheet 30 extends to the bottom of the edge of the lower polarizer 18 to adhere the lower polarizer 18 to the backlight module 20.

The top surface of the protective film 40 is in contact with the bottom surface of the edge region 162, and the lower polarizer 18 The top surface is in contact with the lower glass 16, and the top surface of the protective film 40 is flush with the top surface of the lower polarizer 18. The design of the top surface of the protective film 40 flush with the top surface of the lower polarizer 18 can ensure the flatness of the lower glass 16 and further ensure the display effect of the display panel 10.

The top surface of the edge region 162 is provided with a chip 15 and a flexible circuit board 13. The touch function of the display panel 10 is realized by the chip 15 and the flexible circuit board 13. The arrangement of the protective film 40 is such that the display panel 10 is kept on the same plane, and there is no installation gap between the edge region 162 of the display panel 10 and the backlight module 20, so that the deformation of the edge region 162 of the display panel 10 can be avoided. Thereby, good signal transmission of the chip 15 and the flexible circuit board 13 can be ensured, and the display effect of the display panel 10 is further ensured.

The specific structure of the backlight module 20 is as follows: the backlight module 20 includes a plastic frame 22, a light guide plate 24, an optical film 26, and a light bar light source 28, and the light guide plate 24 is disposed in a space surrounded by the plastic frame 22. The light bar light source 28 is disposed at a position adjacent to the plastic frame 22 and the light guide plate 24. The optical film 26 is stacked on the light guide plate 24, and the lower polarizer 18 is disposed. The double-sided tape 30 is adhered to the edge of the optical frame 26 away from the light guide plate 24, and the double-sided tape 30 is adhered to the edge of the bezel 22, the light bar source 28, and the optical film 26.

The light bar light source 28 includes a base 282 and a light emitting member 284 . The light emitting member 284 protrudes from one side of the base 282 , and the light emitting member 284 extends into the plastic frame 22 and the light guide plate 24 . The surface of the base 282 away from the light-emitting member 284 is flush with the top surface of the plastic frame 22, and the two together form an adhesive surface, and the double-sided adhesive 30 is adhered to the adhesive. surface.

The backlight module 20 further includes a back plate 27 and a reflective sheet 25 for carrying the light guide plate 24 and the plastic frame 22, and the reflective sheet 25 is disposed on the bottom surface of the reflective plate 24. In other embodiments, the reflective sheet 25 can also be replaced with a reflective coating.

The protective film 40 and the double-sided tape 30 are of a unitary structure or a separable structure. The one-piece structure can form the adhesive of one side of the double-sided tape 30 into a multi-stage adhesive form in a spaced manner during the process of making the double-sided tape 30, similar to the structure distribution of the window 42 of the protective film 40, and can be double The thickness of the top adhesive 30 is thicker than that of the ordinary double-sided adhesive 30, so that the display panel 10 and the backlight module 20 can be installed without a mounting gap. The separate structure is a non-adhesive protective film 40 as shown in FIG. 2, and a protective film 40 is adhered to the surface of the conventional double-sided tape 30.

The above is a preferred embodiment of the present invention, it should be noted that the ordinary technology in the art Many modifications and refinements can be made by the skilled artisan without departing from the principles of the invention, and such modifications and refinements are also considered to be within the scope of the invention.

Claims

A display comprising a display panel and a backlight module, the display panel being stacked on top of the backlight module, the display panel comprising an edge region, wherein the display further comprises a double-sided tape and a protective film The protective film is non-adhesive, and the protective film is provided with a plurality of windows, the protective film is attached to one side of the double-sided tape, and the other side of the double-sided tape is attached to the backlight module. An edge region of the display panel is located on a side of the protective film away from the double-sided tape, and the double-sided tape in the window region is in contact with the edge region to adhere the display panel to The backlight module.
The display according to claim 1, wherein said display panel comprises an upper polarizer, an upper glass, a lower glass and a lower polarizer which are sequentially stacked, and an edge of said lower glass protrudes to form said edge region The double-sided tape extends to the bottom of the edge of the lower polarizer to adhere the lower polarizer to the backlight module.
The display according to claim 2, wherein a top surface of said protective film is in contact with a bottom surface of said edge region, and a top surface of said lower polarizer is in contact with said lower glass, said top of said protective film The face is flush with the top surface of the lower polarizer.
The display according to claim 3, wherein the top surface of the edge region is provided with a chip and a flexible circuit board, and the touch function of the display panel is realized by the chip and the flexible circuit board.
The display module as claimed in claim 3, wherein the backlight module comprises a plastic frame, a light guide plate, an optical film, and a light bar light source, wherein the light guide plate is disposed in a space surrounded by the plastic frame. The light strip light source is disposed at a position adjacent to the plastic frame and the light guide plate, the optical film is stacked on the light guide plate, and the lower polarizer is disposed away from the optical film One side of the light guide plate is adhered to the edge of the plastic frame, the light bar light source and the optical film.
The display according to claim 5, wherein the light bar light source comprises a base and a light emitting member, the light emitting member is protruded from one side of the base, and the light emitting member extends into the plastic frame Between the light guide plate and the light guide plate, a surface of the base away from the light emitting member is flush with a top surface of the plastic frame, and the two together form an adhesive surface, and the double-sided adhesive is adhered to the Bonding surface.
The display according to claim 1, wherein said protective film and said double-sided tape are of a unitary structure or a separable structure.