CN209803494U - Narrow-frame liquid crystal display - Google Patents

Abstract

the utility model discloses a narrow frame LCD, including backlight unit and the liquid crystal display panel who forms in the backlight unit top, backlight unit includes the metal backplate that the curb plate that upwards buckles all around and extend by bottom plate and bottom plate is constituteed, liquid crystal display panel includes from down up lower polaroid, array substrate, various membrane base plate and the last polaroid that stacks gradually the setting, its characterized in that, the periphery of lower polaroid extends to the up end of the curb plate that covers the metal backplate and buckles and extend to the lateral surface fixed connection of curb plate. Implement the utility model discloses, through extend to the lateral surface of curb plate with lower polaroid and with curb plate fixed connection, and then make liquid crystal display panel and backlight unit fixed connection, simplify the equipment process, reduce cost is fixed firm.

Description

Narrow-frame liquid crystal display

Technical Field

The utility model relates to a liquid crystal display technical field, more specifically relate to a narrow frame LCD.

Background

A Liquid Crystal Display (LCD) has many advantages such as thin body, power saving, no radiation, and is widely used, such as a liquid crystal television, a mobile phone, a Personal Digital Assistant (PDA), a digital camera, a computer screen or a notebook computer screen, wherein a narrow-frame LCD has become a main development trend of a high-quality display screen due to its advantages such as simplicity, beauty, large visible area with the same size, and the like.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a simplify the equipment process, reduce cost, fixed firm narrow frame LCD.

The utility model discloses the technological effect that will reach is realized through following scheme: a narrow-frame liquid crystal display comprises a backlight module and a liquid crystal display panel formed above the backlight module, wherein the backlight module comprises a bottom plate and a metal back plate formed by side plates which are bent and extended upwards around the bottom plate, the liquid crystal display panel comprises a lower polarizer, an array substrate, a color film substrate and an upper polarizer which are sequentially stacked from bottom to top, and the narrow-frame liquid crystal display is characterized in that the periphery of the lower polarizer extends to the upper end face of the side plate covering the metal back plate and is bent and extended to the outer side face of the side plate to be fixedly connected.

Preferably, the upper end surface of the side plate extends upwards to form a protrusion, a notch is formed in the lower polarizer corresponding to the protrusion, and the protrusion extends into the notch and is clamped and fixed.

Preferably, the inner corner of the lower polarizer, which is connected with the side plate, is further provided with a fixing glue.

Preferably, the outer side surface of the part of the lower polarizer fixedly connected with the outer side surface of the side plate is also provided with protective paper.

Preferably, the backlight module further comprises a light guide assembly disposed in the metal back plate.

Preferably, the light guide assembly includes a reflective sheet, a light guide plate and an optical film, which are sequentially stacked and disposed on the bottom plate from bottom to top.

Preferably, the optical film comprises a lower brightness enhancement film, a diffusion film and an upper brightness enhancement film which are sequentially stacked from bottom to top and arranged on the upper end face of the light guide plate.

Preferably, the backlight module further comprises a light source formed at a side of the light guide assembly.

Preferably, the metal back plate is made of iron or aluminum alloy.

The utility model has the advantages of it is following:

1. The lower polarizer extends to the outer side surface of the side plate and is fixedly connected with the side plate, so that the liquid crystal display panel is fixedly connected with the backlight module, the assembly process is simplified, the cost is reduced, and the fixation is firm;

2. A bulge is formed by extending the upper end surface of the side plate upwards, a notch is formed in the lower polarizer corresponding to the bulge, and the bulge extends into the notch to be clamped and fixed, so that the fixing strength of the lower polarizer and the metal back plate is further enhanced;

3. The fixing glue is further arranged at the inner corner where the lower polarizer is connected with the side plate, so that the phenomenon that the lower polarizer is easily separated from the side plate at the connected boundary is reduced.

drawings

Fig. 1 is a schematic view of a local cross-sectional structure of a narrow-frame lcd according to the present invention.

Detailed Description

The invention is described in detail below with reference to the drawings, wherein examples of the embodiments are shown in the drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length," "width," "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 invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third" 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," "second," or "third" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the interconnection of two elements or through the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, an embodiment of the present invention provides a narrow-frame lcd, including a backlight module 100 and a liquid crystal display panel 200 formed above the backlight module 100, the backlight module 100 is used to provide backlight bright display for the liquid crystal display panel 200, and the liquid crystal display panel 200 displays images for the lcd. The liquid crystal display further includes a backlight circuit board (not shown in the figure) electrically connected to the backlight module 100 and a display circuit board (not shown in the figure) electrically connected to the liquid crystal display panel 200, and both the backlight circuit board and the display circuit board are electrically connected to a main board of the liquid crystal display to realize signal transmission.

The utility model discloses in backlight unit 100 includes metal backplate 110 and the leaded light subassembly 120 of setting in metal backplate 110, shows in order to realize narrow frame, the utility model discloses a backlight unit 100 has removed prior art's gluey frame, only regards metal backplate 110 as backlight unit 100 liquid crystal display panel 200's bearing structure.

The metal back plate 110 includes a bottom plate 111 and a side plate 112 extending from the periphery of the bottom plate 111 and bending upward, and the side plate 112 extends to be in abutting contact with and fixed to the liquid crystal display panel 200.

As a conventional structure in the art, the backlight module 100 further includes a light source (not shown) formed at a side of the light guide assembly 120 to form the side-in type backlight module 100, wherein the light guide assembly 120 includes a reflective sheet 121, a light guide plate 122 and an optical film 123 sequentially stacked on the bottom plate 111 from bottom to top. The linear light source emitted from the light source enters the light guide plate 122 from the side of the light guide plate 122 to form a surface light source and is emitted from the upper end surface of the light guide plate 122 to provide backlight brightness for the liquid crystal display panel 200, the light incident on the bottom of the light guide plate 122 in the light guide plate 122 is reflected back to the light guide plate 122 by the reflective sheet 121 to improve the light utilization rate, and the optical film 123 is used for displaying the light emitted from the upper end surface of the light guide plate 122 more uniformly. Further, the optical film 123 includes at least a lower brightness enhancement film, a diffusion film, and an upper brightness enhancement film, which are sequentially stacked from bottom to top on the upper end surface of the light guide plate 122.

The utility model discloses in liquid crystal display panel 200 includes from down up lower polaroid 210, array substrate 220, various membrane base plate 230 and the last polaroid 240 that stacks gradually the setting, the principle that lower polaroid 210, array substrate 220, various membrane base plate 230 and last polaroid 240 formation of image pattern show is the conventional technology that is known in the art, does not do not describe here any more.

The utility model discloses in liquid crystal display panel 200 specifically does with backlight unit 100's fixed connection the periphery of lower polaroid 210 extends to the up end of the curb plate 112 that covers metal backboard 110 and the lateral surface fixed connection who extends to curb plate 112 of buckling. The lower polarizer 210 extends to the outer side surface of the side plate 112 and is fixedly connected with the side plate 112, so that the liquid crystal display panel 200 is fixedly connected with the backlight module 100, the assembly process is simplified, the cost is reduced, and the fixation is firm. The contact surface of the lower polarizer 210 fixedly connected to the side panel 112 may be adhered by an adhesive 150, such as PSA pressure sensitive adhesive or OCA optical adhesive, or other adhesive with an adhesive function, which is not particularly limited.

As a further improvement of the utility model, the upper end of the side plate 112 upwards extends to form a protrusion 113, and is corresponding protrusion 113 the lower polarizer 210 is opened jaggedly, protrusion 113 extends to the interior joint of breach fixed, further strengthens the fixed strength of lower polarizer 210 and metal backplate 110. The protrusion 113 may penetrate through the lower polarizer 210, or may partially penetrate through the lower polarizer 210, and is not particularly limited.

As a further improvement of the present invention, the inner corner of the lower polarizer 210 connected to the side plate 112 is further provided with a fixing glue 130, so as to reduce the phenomenon that the lower polarizer 210 and the side plate 112 are easily separated from each other at the connected boundary.

As a further improvement of the present invention, the outer side surface of the part of the lower polarizer 210 fixedly connected to the outer side surface of the side plate 112 is further provided with a protection paper 140, and the protection paper 140 is used to prevent the lower polarizer 210 from being easily stained with dust due to the fact that the surface facing the liquid crystal display panel 200 has viscosity.

The metal back plate 110 is made of iron or aluminum alloy, but not limited thereto.

The utility model discloses in should have certain clearance between liquid crystal display panel 200 and the leaded light subassembly 120, liquid crystal display panel 200 is connected with leaded light subassembly 120 contactless promptly, can prevent like this that liquid crystal display panel 200 and leaded light subassembly 120 from producing to interfere and influence optical display.

The utility model discloses a with lower polaroid 210 and metal backplate 110 fixed connection to set up protruding 113, fixed glue 130 isotructures, make liquid crystal display panel 200 fixed firm with backlight unit 100, promote narrow frame LCD's quality.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention and not for limiting the same, and although the embodiments of the present invention are described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the embodiments of the present invention, and these modifications or equivalent substitutions cannot make the modified technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. A narrow-frame liquid crystal display comprises a backlight module and a liquid crystal display panel formed above the backlight module, wherein the backlight module comprises a bottom plate and a metal back plate formed by side plates which are bent and extended upwards around the bottom plate, the liquid crystal display panel comprises a lower polarizer, an array substrate, a color film substrate and an upper polarizer which are sequentially stacked from bottom to top, and the narrow-frame liquid crystal display is characterized in that the periphery of the lower polarizer extends to the upper end face of the side plate covering the metal back plate and is bent and extended to the outer side face of the side plate to be fixedly connected.

2. The narrow-bezel liquid crystal display of claim 1, wherein the upper end of the side plate extends upward to form a protrusion, a notch is formed in the lower polarizer corresponding to the protrusion, and the protrusion extends into the notch to be clamped and fixed.

3. The narrow-bezel liquid crystal display as claimed in claim 1, wherein a fixing glue is further disposed at an inner corner where the lower polarizer is connected to the side panel.

4. The narrow-bezel liquid crystal display as claimed in claim 1, wherein a protective paper is further disposed on an outer side of a portion of the lower polarizer fixedly connected to the outer side of the side panel.

5. The narrow-bezel liquid crystal display of claim 1, wherein the backlight module further comprises a light guide assembly disposed within the metal backplane.

6. The narrow-bezel liquid crystal display of claim 5, wherein the light guide assembly comprises a reflective sheet, a light guide plate and an optical film, which are sequentially stacked from bottom to top on the bottom plate.

7. The narrow-bezel liquid crystal display as claimed in claim 6, wherein the optical film comprises a lower brightness enhancement film, a diffusion film and an upper brightness enhancement film sequentially stacked from bottom to top on the upper end surface of the light guide plate.

8. The narrow-bezel liquid crystal display of claim 5, wherein the backlight module further comprises a light source formed at a side of the light guide.

9. The narrow-bezel liquid crystal display as claimed in claim 1, wherein the metal back plate is made of iron or aluminum alloy.