CN217561894U

CN217561894U - Compatible structure of frameless and narrow-frame backlight module

Info

Publication number: CN217561894U
Application number: CN202221903242.8U
Authority: CN
Inventors: 赵俊廷; 丛阳
Original assignee: Weihai Taiji Huixian Photoelectric Co ltd
Current assignee: Weihai Taiji Huixian Photoelectric Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-10-11
Anticipated expiration: 2032-07-22

Abstract

The utility model provides a compatible structure of no frame and narrow frame backlight unit, it is equipped with backlight unit, and backlight unit includes buckle connection center and metal backplate together, connects the lower part left and right sides of center and extends the L shape hem that is equipped with the symmetry setting respectively, and the inside wall of L shape hem is equipped with heavy platform, and the inner wall of heavy platform is equipped with the brace rod that the level extends. Backlight unit's lower part still is equipped with little protecgulum, and the lower part of little protecgulum is equipped with the buckle hem, and the middle part level of buckle hem extends, both ends are buckled vertical setting, and the buckle hem card is located between the L shape hem of connecting the center both sides, and the both ends of buckle hem still are equipped with the trip of vertical setting, and the trip card is located the outside of brace rod, carries on spacingly at the horizontal direction to little protecgulum. The utility model discloses simple structure on no frame backlight unit's basis, utilizes neotype little protecgulum of connection center cooperation, plastic backshell to constitute narrow frame backlight unit, has reduced product cost, but wide application in liquid crystal module technical field.

Description

Compatible structure of frameless and narrow-frame backlight module

Technical Field

The utility model relates to a liquid crystal module technical field, in particular to no frame and narrow frame backlight unit compatible structure.

Background

With the continuous maturity of the liquid crystal display industry, each large manufacturer continuously innovates its own product, and how to make its own product more adaptable to the market demand and lower the price on the premise of ensuring the product performance based on the market competition demand has become the key research direction of each large liquid crystal manufacturer.

The existing plane frameless liquid crystal module basically takes a screw hole at the periphery of the back of a metal back plate of a backlight module as a positioning structure, a whole plastic middle frame covers the outside of the middle frame of the backlight module and is locked with the backlight module through screws, the upper, the left and the right edges of the whole plastic middle frame play a role in protecting the side edge of liquid crystal glass, a cover plate on the front side of the ground side of the whole plastic middle frame protects the lower part of the front side of the liquid crystal glass, and the back of the whole plastic middle frame is matched with a plastic rear shell in a buckling manner to form the whole liquid crystal module.

Disclosure of Invention

The utility model aims at providing a no frame and narrow frame backlight unit compatible structure, it utilizes neotype center structure to constitute narrow frame backlight unit on no frame backlight unit's inner structure basis, has reduced product cost.

Therefore, the utility model provides a compatible structure of no frame and narrow frame backlight unit, it is equipped with backlight unit, and backlight unit includes buckle connection center and metal backboard together, connects the L shape hem that the lower part left and right sides of center extends respectively and is equipped with the symmetry and sets up, and the inside wall of L shape hem is equipped with heavy platform, and the inner wall of heavy platform is equipped with the brace rod of horizontal extension. The lower part of backlight unit still is equipped with little protecgulum, and the lower part of little protecgulum is equipped with the buckle hem, and the middle part level of buckle hem extends, both ends are buckled vertical setting, and the buckle hem card is located between the L shape hem of connecting the center both sides, and the both ends of buckle hem still are equipped with the trip of vertical setting, and the trip card is located the outside of brace rod carries on spacingly at the horizontal direction to little protecgulum.

Preferably, the small front cover is further provided with a supporting plate, and the upper end face of the supporting plate is abutted to the PCBA cover plate of the backlight module.

Preferably, several locating holes have all been seted up to the horizontal segment of buckle hem and the hem of the top side of connecting the center, the left and right sides, and the inner wall of plastic backshell is equipped with corresponding reference column all around, and the reference column is located in the locating hole with plastic backshell and be connected center, little protecgulum fixed connection together.

Preferably, the front end face of the connecting middle frame is provided with a sinking platform type structure, and the liquid crystal panel is fixedly connected with the bottom surface of the sinking platform connected with the front end of the middle frame through a double-sided adhesive tape.

The utility model provides a no frame and narrow frame backlight unit compatible structure has following beneficial effect:

the utility model discloses simple structure utilizes no frame backlight unit's inner structure, makes material management and utilizes the biggest convenience, through replacing neotype connection center, cooperates little protecgulum and plastic backshell assembly to form narrow frame backlight unit, has reduced the screw lock of connecting the center and has attached, saves labour and economizes the material, has reduced the holistic die sinking expense of module simultaneously to reduce the cost of product, improved the competitiveness of enterprise, but wide application in liquid crystal module technical field.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of a part of the structure of the connecting middle frame of the present invention;

FIG. 3 is a schematic view of a part of the structure of the small front cover of the present invention;

fig. 4 is a partial schematic structural view of the cross-sectional view of the present invention.

The labels in the figure are: 1. the liquid crystal display panel comprises a connecting middle frame, 11.L-shaped folding edges, 12 supporting ribs, 2 a plastic rear shell, 3 a liquid crystal panel, 4 a small front cover, 41 fastener folding edges, 411 positioning holes, 42 supporting plates and 43 a clamping hook.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments to assist understanding of the invention. The method used in the utility model is a conventional method if no special provision is provided; the raw materials and the apparatus used were, unless otherwise specified, conventional commercially available products.

As shown in fig. 1-4, the utility model provides a compatible structure of frameless and narrow-frame backlight module, it is equipped with backlight unit, and backlight unit includes buckle connection center 1 and metal backplate together, and liquid crystal display panel 3 is attached at the preceding terminal surface of connecting center 1. The utility model discloses an improve on frameless backlight unit's basis, under the prerequisite that does not change metal backboard, frameless backlight unit inner structure, change backlight unit's connection center structure and form new narrow frame backlight unit.

Specifically, the left side and the right side of the lower part of the middle connecting frame 1 are respectively provided with an L-shaped folding edge 11 in a extending mode, the inner side wall of the L-shaped folding edge 11 is provided with a sinking table, and the inner wall of the sinking table is provided with a supporting rib 12 extending horizontally, so that the buckle assembly is facilitated. The lower part of the backlight module is also provided with a small front cover 4 for protecting the lower part of the liquid crystal panel 3. Specifically, the lower part of the small front cover 4 is provided with a buckle folding edge 41, the buckle folding edge 41 is perpendicular to the small front cover 4, and the middle part of the buckle folding edge 41 extends horizontally and the two ends are bent vertically. During assembly, the buckle folding edges 41 are integrally clamped between the L-shaped folding edges 11 on the two sides of the connecting middle frame 1, and the horizontal sections of the buckle folding edges are abutted to the lower parts of the L-shaped folding edges 11; the upper part of the inner wall of the small front cover 4 is also provided with a supporting plate 42, and the upper end surface of the supporting plate 42 is abutted with a PCBA cover plate of the backlight module. The buckle folding edge 41, the support plate 42 and the connecting middle frame 1 are matched to limit the small front cover 4, so that the small front cover 4 is prevented from moving. The both ends of buckle hem 41 still are equipped with the trip 43 of vertical setting, and the outside of buckle hem 41 is located to trip 43, and the outside of brace rod 12 is located to the card simultaneously, carries on spacingly to little protecgulum 4 in the horizontal direction, with little protecgulum 4 with be connected 1 buckle of center together, avoid 4 roll-offs of little protecgulum to connect center 1.

For the assembly of cooperation plastic backshell 2, several locating hole 411 have all been seted up to the horizontal segment of buckle hem 41 and the hem of the top side of connecting center 1, the left and right sides, and the inner wall of plastic backshell 2 is equipped with corresponding reference column all around, and the reference column is located in locating hole 411 with plastic backshell 2 with connect center 1, little protecgulum 4 fixed connection together.

Furthermore, the front end face of the middle frame 1 is provided with a sinking platform type structure, the liquid crystal panel 3 is fixedly connected with the bottom surface of the sinking platform connected with the front end of the middle frame 1 through a double faced adhesive tape, and the periphery of the sinking platform type structure connected with the middle frame 1 forms a protective effect on the liquid crystal panel 3.

The utility model discloses simple structure on no frame backlight unit's basis, utilizes neotype connection center 1, cooperates little protecgulum 4 and plastic backshell 2 to constitute narrow frame backlight unit, has reduced the expense of die sinking, has reduced the cost of product, has improved the competitiveness of enterprise, but wide application in liquid crystal module technical field.

In the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", "top", "bottom", "front", "rear", "inner", "outer", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.

Claims

1. A compatible structure of a frameless and narrow-frame backlight module is provided with the backlight module, the backlight module comprises a connecting middle frame and a metal back plate which are buckled together, and the compatible structure is characterized in that the left side and the right side of the lower part of the connecting middle frame are respectively provided with symmetrically arranged L-shaped folding edges in an extending mode, the inner side walls of the L-shaped folding edges are provided with a sinking platform, and the inner walls of the sinking platform are provided with horizontally extending support ribs; the lower part of the backlight module is further provided with a small front cover, the lower part of the small front cover is provided with a buckle folding edge, the middle part of the buckle folding edge extends horizontally, two ends of the buckle folding edge are bent vertically, the buckle folding edge is clamped between L-shaped folding edges on two sides of the connecting middle frame, two ends of the buckle folding edge are further provided with a clamping hook which is vertically arranged, the clamping hook is clamped on the outer side of the supporting rib, and the small front cover is limited in the horizontal direction.

2. The compatible structure of frameless and narrow-frame backlight module of claim 1, wherein the small front cover further comprises a supporting plate, and the upper end surface of the supporting plate abuts against the PCBA cover plate of the backlight module.

3. The compatible structure of the frameless and narrow-framed backlight module as claimed in claim 1, wherein the horizontal section of the buckle flange and the flanges at the top, left and right sides of the connecting middle frame are all provided with a plurality of positioning holes, the inner wall of the plastic back shell is provided with corresponding positioning posts around, the positioning posts are arranged in the positioning holes to fixedly connect the plastic back shell with the connecting middle frame and the small front cover.

4. The compatible structure of the frameless and narrow-frame backlight module of claim 1, wherein the front surface of the connecting middle frame is provided with a sunken platform structure, and the liquid crystal panel is fixedly connected with the bottom surface of the sunken platform at the front end of the connecting middle frame through a double-sided adhesive tape.