CN218567786U

CN218567786U - Shading glue, backlight source, backlight module, display device and mobile terminal

Info

Publication number: CN218567786U
Application number: CN202222808128.3U
Authority: CN
Inventors: 徐贤强; 何东; 潘连兴
Original assignee: Shenzhen Australis Electronic Technology Co Ltd
Current assignee: Shenzhen Australis Electronic Technology Co Ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-03-03
Anticipated expiration: 2032-10-24

Abstract

The application relates to backlight shading glues technical field, specifically provides a shading glues, backlight unit, display device and mobile terminal, and the shading is glued and is included: a light-shielding glue body; the head gasket, the head gasket set up in the body is used for covering the one end of light source along length direction is glued in the shading, just the head gasket along width direction's both ends with the body is glued in the shading is along the equal interval in width direction's both ends and is set up. The shading is glued and is passed through control head gasket follows width direction's both ends, with the equal interval in width direction's both ends is glued to the shading body sets up, and then sets up the head gasket into local structure, increases the bonding region that liquid crystal glazing glued the body with the shading at width direction's both ends to do not influence LCD and reprocess the problem that can improve into the bad drawback of foreign matter in step yet.

Description

Shading glue, backlight source, backlight module, display device and mobile terminal

Technical Field

The application relates to the technical field of backlight shading glue, in particular to shading glue, a backlight source, a backlight module, a display device and a mobile terminal.

Background

The shading glue is used as an important display effect guarantee part of the backlight source, and the problem of uneven display brightness of the backlight source, such as edge bright lines, lamp eyes and the like, can be effectively avoided by arranging the shading glue; meanwhile, the gasket is arranged at the light source end of the existing light shielding glue, so that when the liquid crystal glass is assembled, the end part of the light shielding glue cannot be adhered to the light shielding glue, and the repair operation of the LCD is facilitated; however, this leads to a fit gap between the glass and the light shielding glue, and then leads to the backlight module easily entering foreign matters in the secondary space during the use, resulting in the bad defect of the foreign matters in the backlight module.

Therefore, how to the gasket structure of the light-shielding glue in the prior art easily causes the liquid crystal module to have a fit clearance, which causes the defect and deficiency of the bad foreign matters, and needs further improvement and development.

SUMMERY OF THE UTILITY MODEL

In view of the deficiency of the prior art, the present application aims to provide a light-shielding adhesive, a backlight source, a backlight module, a display device and a mobile terminal, and aims to solve the problem that the gasket structure of the light-shielding adhesive in the prior art easily causes the liquid crystal module to have a fit clearance, resulting in the foreign matter being bad.

The technical scheme adopted by the application for solving the technical problem is as follows: a light-blocking adhesive, comprising:

a light-shielding glue body;

the head gasket, the head gasket set up in the body is glued to the shading is used for covering the one end of light source along length direction, just the head gasket along width direction's both ends with the body is glued to the shading is along the equal interval setting in width direction's both ends.

Optionally, the light-shielding rubber body comprises a light source light-shielding section and a frame-shaped light-shielding section which are arranged in a split manner, and the light source light-shielding section is used for covering the light source; the frame-shaped shading section is used for covering the periphery of the light source and the upper brightness enhancement sheet, the light source shading section is in parallel and level butt joint with the frame-shaped shading section, and the head gasket is arranged on the head gasket.

Optionally, the head gasket is rectangular, the length of the head gasket is 42.0-42.3 mm, and the width of the head gasket is 2.25-2.35 mm.

Optionally, the edge of the head gasket is provided with a fillet structure, and the fillet radius of the fillet structure is 0.5mm +/-0.01 mm.

Optionally, the ratio of the length of the head gasket to the length of the light source shading section is 0.55-0.60.

The other technical scheme adopted by the application for solving the technical problem is as follows: a backlight, wherein the backlight comprises the light-shielding glue as described above.

The other technical scheme adopted by the application for solving the technical problem is as follows: a backlight module is provided, wherein the backlight source comprises the backlight source.

Another technical solution adopted by the present application to solve the technical problem is as follows: a display device, wherein the display device comprises a backlight as described above.

The other technical scheme adopted by the application for solving the technical problem is as follows: a mobile terminal, wherein the mobile terminal comprises a backlight as described above.

The utility model provides a shading is glued, backlight unit, display device and mobile terminal, the shading is glued and is passed through control the head gasket is along width direction's both ends, with the shading is glued the body and is set up along width direction's both ends equal interval, and then sets up the head gasket into local structure, increases the bonding region that liquid crystal glazing glued the body with the shading at width direction's both ends to still do not influence LCD and reprocess the problem that the synchronous bad drawback of foreign matter can be improved into.

Drawings

FIG. 1 is a schematic top view of a light blocking glue provided herein;

FIG. 2 is an enlarged view of section A of FIG. 1 of the present application;

fig. 3 is a schematic perspective view of a backlight provided by the present application;

description of reference numerals:

1. a backlight 1; 10. shading glue; 11. a light-shielding glue body; 12. a head gasket; 111. a light source shading section; 112. a frame-shaped light shielding section.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application clearer and clearer, the present application is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

Referring to fig. 1 and fig. 2 in combination, in a first embodiment of the present application, there is provided a light shielding glue 10, including: a light-shielding adhesive body 11 and a head gasket 12; head gasket 12 set up in body 11 is used for covering the one end of light source along length direction is glued to the shading, just head gasket 12 along width direction both ends with body 11 is glued to the shading is set up along the equal interval in width direction's both ends, and then sets up head gasket 12 to local structure, increases liquid crystal glass and the bonding region who glues body 11 with the shading at width direction's both ends to still do not influence LCD and reprocess the problem that can improve into the bad drawback of foreign matter in step.

In some embodiments, the light shielding glue body 11 comprises a light source light shielding section 111 and a frame-shaped light shielding section 112 which are separately arranged; the light source shading section 111 is used for covering the light source; the frame-shaped light shielding section 112 is used for covering the periphery of the light source and the upper brightness enhancement film, and the light source light shielding section 111 is in flush abutment with the frame-shaped light shielding section 112, that is, the light source light shielding section 111 is in close abutment with the frame-shaped light shielding section 112, and the joint is in flush abutment, so as to prevent light from escaping and emitting at the abutment, and the head gasket 12 is arranged on the head gasket 12.

In some embodiments, the head pad 12 is configured as a rectangle, the length of the head pad 12 is 42.0 to 42.3mm, and the width of the head pad 12 is 2.25 to 2.35mm. Further, the ratio of the length of the head gasket 12 to the length of the light source shielding section 111 is 0.55-0.60. And further ensuring that the two ends of the shading glue 10 along the width direction are added with stable bonding areas of the liquid crystal glass and the shading glue body 11, and the problem of bad defect of foreign matter entering can be improved without influencing the repair synchronization of the LCD.

In some embodiments, the corner of the head gasket 12 is provided with a fillet structure, so as to effectively prevent the corner of the head gasket 12 from damaging the liquid crystal glass bonded with the light-shielding glue body 11, and the fillet radius of the fillet structure is 0.5mm ± 0.01mm.

Referring to fig. 3, a backlight 1 is provided in a second embodiment of the present application, wherein the backlight 1 includes the light-shielding adhesive 10 as described in the first embodiment of the present application, so that the adhesive area between the liquid crystal glass and the light-shielding adhesive body 11 is increased at two ends of the backlight 1 along the width direction, and the problem of adverse effects of entering foreign matters can be improved without affecting the LCD repair synchronization.

In a third embodiment of the present application, a backlight module is provided, wherein the backlight module comprises the backlight 1 as described in the second embodiment of the present application.

It can be understood that, in the backlight module provided in this embodiment, by using the backlight source 1 provided in the second embodiment of the present application, the fit gap between the liquid crystal glass and the spacer structure of the light shielding adhesive 10 of the backlight source 1 can be effectively reduced, and the two ends in the width direction are bonded, so as to avoid the defect and deficiency of bad foreign matters.

In a fourth embodiment of the present application, a display device is provided, wherein the display device comprises a backlight 1 as described in the second embodiment of the present application.

It can be understood that, the display device provided in this embodiment, by using the backlight 1 provided in the second embodiment of the present application, can further effectively reduce the fit gap between the liquid crystal glass and the spacer structure of the light-shielding adhesive 10 of the backlight 1, and bond the two ends in the width direction, thereby avoiding the defect and deficiency of bad foreign matters.

In a fifth embodiment of the present application, a mobile terminal is provided, wherein the mobile terminal comprises a backlight 1 as described in the second embodiment of the present application.

It can be understood that, the display device provided in this embodiment, by using the backlight 1 provided in the second embodiment of the present application, can further effectively reduce the fit gap between the liquid crystal glass and the spacer structure of the light-shielding glue 10 of the backlight 1, and bond the two ends in the width direction, thereby avoiding the defect and deficiency of the bad foreign matter.

To sum up, provide a shading in this application and glue, backlight unit, display device and mobile terminal, the shading glues and includes: a light-shielding glue body; the head gasket, the head gasket set up in the body is glued to the shading is used for covering the one end of light source along length direction, just the head gasket along width direction's both ends with the body is glued to the shading is along the equal interval setting in width direction's both ends. The shading is glued through control the both ends of width direction are followed to the head gasket, with the equal interval in width direction's both ends is glued to the shading body sets up, and then sets up the head gasket into local structure, increases the bonding region of liquid crystal glazing and shading glue body at the both ends along width direction to still do not influence the LCD and reprocess the problem that the synchronous bad drawback of foreign matter can be improved into.

It should be understood that the application is not limited to the above examples, and that modifications or changes may be made by those skilled in the art based on the above description, and all such modifications and changes are intended to fall within the scope of the appended claims.

Claims

1. A shading glue is characterized by comprising:

a light-shielding glue body;

the head gasket, the head gasket set up in the body is used for covering the one end of light source along length direction is glued in the shading, just the head gasket along width direction's both ends with the body is glued in the shading is along the equal interval in width direction's both ends and is set up.

2. The light-shielding glue according to claim 1, wherein the light-shielding glue body comprises a split type light source light-shielding section and a frame-shaped light-shielding section, and the light source light-shielding section is used for covering a light source; the frame-shaped shading section is used for covering the periphery of the light source and the upper brightness enhancement sheet, the light source shading section is in parallel and level butt joint with the frame-shaped shading section, and the head gasket is arranged on the head gasket.

3. The light-shielding adhesive according to claim 2, wherein the head gasket is rectangular, the length of the head gasket is 42.0-42.3 mm, and the width of the head gasket is 2.25-2.35 mm.

4. A light shielding adhesive as claimed in claim 3, wherein the head gasket is provided at its corners with a fillet structure having a fillet radius of 0.5mm ± 0.01mm.

5. The light-shielding adhesive according to claim 2, wherein the ratio of the length of the head gasket to the length of the light-shielding section is 0.55-0.60.

6. A backlight comprising the light-blocking paste of any one of claims 1-5.

7. A backlight module, comprising the backlight source of claim 6.

8. A display device, characterized in that the display device comprises a backlight as claimed in claim 6.

9. A mobile terminal characterized in that it comprises a backlight as claimed in claim 6.