CN210776100U

CN210776100U - Novel structure for solving abnormal sound inside liquid crystal display module

Info

Publication number: CN210776100U
Application number: CN201922113465.9U
Authority: CN
Inventors: 汪海涛; 郭文标; 王俊杰; 许威; 赵春晓
Original assignee: Zhejiang Xinli Photoelectric Technology Co ltd
Current assignee: Zhejiang Xinli Photoelectric Technology Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-06-16
Anticipated expiration: 2029-11-29

Abstract

The utility model provides a novel structure for solving the abnormal sound in the liquid crystal display module, which solves the problems of abnormal sound caused by the loose light guide plate, inconvenient installation and positioning, and the like, the light guide plate is installed in the rubber frame through the splicing mechanism, the periphery of the light guide plate is matched with the inner side of the rubber frame through the splicing mechanism, the splicing mechanism comprises a convex block, the convex block is rectangular and is flushed with the edge of the short edge of the light guide plate, the inner side of the rubber frame is provided with a laminating face frame, the frame face of the laminating face frame is mutually laminated with the lower side of the light guide plate, grooves are formed in the frame faces of the two sides of the laminating face frame, a plurality of clamping strips are uniformly arranged on the outer side face of the rubber frame, the depth of each groove and the height of the convex block are 1.2-2mm, the laminating face frame arranged on the inner side of the rubber frame is mutually connected with the rubber frame, the laminating face frame and the rubber frame form the splicing mechanism mutually spliced with the. The utility model has the advantages of fixed effectual, the light guide plate installation is stable.

Description

Novel structure for solving abnormal sound inside liquid crystal display module

Technical Field

The utility model belongs to the technical field of liquid crystal display, concretely relates to a novel structure for solving the inside abnormal sound of liquid crystal display module.

Background

With the development of science and technology, the market growth of a plurality of main electronic consumption applications such as smart phones, smart televisions, tablet computers and the like is slowed down. The liquid crystal display for vehicles is gradually expanded in use as electric vehicles are popularized. The vehicle-mounted display comprises two televisions which are placed on a passenger car for watching, namely a vehicle-mounted television in essence, and the other is a small-size vehicle-mounted display with 3.5 inches, 4.3 inches, 7 inches and 9 inches, generally has two paths of video input, wherein one path can be used for connecting a vehicle-mounted DVD, the other path is used for connecting a vehicle-mounted camera for backing images, and some vehicle-mounted displays also have MP5 video playing and Bluetooth functions, can be used on the similar motion tools of the automobile, and are convenient to use in the motion of the automobile. The conventional vehicle-mounted liquid crystal display assembly mode in the market is that the light guide plate is horizontally placed in the rubber frame, and the light guide plate is fixed by using an adhesive tape. As the liquid crystal display screen in the vehicle-mounted market in the market is more and more in demand and larger in size, the distance between the light guide plate and the edge of the rubber frame is 0.4MM, the weight of the light guide plate is increased along with the increase of the size, the light guide plate is fixed by the adhesive tape, the problem cannot occur in a short time, the viscosity of the adhesive tape is reduced after the light guide plate is fixed by the adhesive tape for a long time, the light guide plate can shake in the rubber frame to cause abnormal sound, the light guide plate shakes in the rubber frame and simultaneously rubs the brightness enhancement sheet, the display of the illuminated product; in addition, the light guide plate needs additional adhesive tape and manual operation for fixing, so that the production cost is increased.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, chinese patent document discloses an assembly structure of a rubber frame and a light guide plate of a backlight module [201520617950.9], which includes a rubber frame and a light guide plate, the light guide plate is installed in the rubber frame, a groove and a bump are provided in the rubber frame, a groove and a convex wall are provided on the light guide plate, the convex wall of the light guide plate is clamped into the groove of the rubber frame, the bump of the rubber frame is clamped into the groove of the light guide plate, two grooves and one bump are provided on the rubber frame, the bump is located between the two grooves, two convex walls and one groove are provided on the light guide plate, and the groove is located between the two convex walls.

The scheme solves the problem that the light guide plate needs to be fixed by the adhesive tape to a certain extent, but the scheme still has a plurality of defects, such as the problem that the light guide plate loosens and gives abnormal sound after being used for a long time.

Disclosure of Invention

The utility model aims at the above-mentioned problem, provide a reasonable in design, the stable novel structure that is used for solving the inside abnormal sound of liquid crystal display module of internal connection.

In order to achieve the above purpose, the utility model adopts the following technical proposal: this a novel structure for solving inside abnormal sound of liquid crystal display module, including gluing the frame, install the light guide plate through grafting mechanism in gluing the frame, the periphery of light guide plate passes through clamping mechanism and glues the inboard cooperation of frame, grafting mechanism is including setting up the lug in light guide plate below both sides, the lug is the rectangle and flushes with the edge of the minor face of light guide plate, glue the frame inboard and be equipped with laminating face frame and the frame face of laminating face frame and be less than the frame face of gluing the frame, the frame face and the light guide plate below of laminating face frame are laminated mutually, be equipped with the recess of pegging graft mutually with the lug on the frame face of laminating face frame both sides, evenly arrange on the lateral surface of gluing the frame and be equipped with a plurality of card strips, the degree of depth of recess is 1.2-2mm with the height of lug, the inboard laminating face frame of gluing the frame is interconnected with gluing the frame, laminating face frame constitutes the clamping mechanism of splicing mutually with the light guide plate with gluing. Through the mutual inserting and positioning of the convex blocks arranged below the light guide plate and the grooves on the attaching face frame, abnormal sound caused by looseness of the light guide plate after the liquid crystal display module is used for a long time is avoided.

In foretell be used for solving the inside abnormal sound of liquid crystal display module group novel structure, hem joint group includes the fillet of light guide plate one end corner, opens the hypotenuse that has the slope setting and is connected with the fillet on the perpendicular limit of light guide plate, is equipped with the right angle of being connected with the fillet on the long limit of light guide plate, glues the inboard one corner of frame and is equipped with the joint limit of mutually supporting with hem joint group. The hem joint group is with the edge of light guide plate and glue the frame cooperation, dislocation when having avoided the light guide plate installation.

In foretell a novel structure for solving the inside abnormal sound of liquid crystal display module, latch mechanism includes a plurality of protruding board groups of setting at the light guide plate periphery, and protruding board group is equipped with the concave edge of joint each other with the protruding board including setting up the outside protruding board that extends on the light guide plate, gluey frame inboard. The convex plate and the concave edge are mutually inserted, so that the fixation by using an adhesive tape is avoided.

In foretell a novel structure for solving the inside abnormal sound of liquid crystal display module, the laminating face frame is connected and is kept the interval at gluey inboard middle part of frame and gluey frame lower extreme, is equipped with a plurality of sand grips of laminating with the light guide plate on the frame face of the long limit of laminating face frame upper end. The convex strip is tightly attached to the light guide plate, and an installation allowance is reserved between the light guide plate and the attaching face frame.

In the novel structure for solving the abnormal sound in the liquid crystal display module, a gap of 0.1-0.3 mm is reserved between the edge of the light guide plate and the inner side surface of the rubber frame, the length of the long side of the rubber frame is 255-260 mm, and the length of the short side of the rubber frame is 105-115 mm. The rubber frame ensures the structural strength and increases the installation space of the light guide plate as much as possible.

In foretell a novel structure for solving the inside abnormal sound of liquid crystal display module, the overlap joint strip has been inserted to the long limit inboard that rubber frame and hem joint group meet, and the overlap joint strip upper end is laminated mutually with the long limit edge lower extreme of light guide plate. The lap joint strip is attached to the light guide plate, so that light emitted to the surface light source on the side of the light guide plate can be conveniently guided to the front side of the panel.

In foretell a novel structure for solving the inside abnormal sound of liquid crystal display module, the overlap joint strip includes and glues the diaphragm and the riser of the long limit lower extreme of frame one side and inboard laminating respectively, and the diaphragm middle part is equipped with the strip shaped plate with the laminating of upper end light guide plate, constitutes the strip groove between strip shaped plate and the riser, and the frame outside is glued to strip groove both ends opening orientation. The strip-shaped groove is communicated with the outside after the light guide plate is installed, so that light can be conveniently guided in.

In the above-mentioned novel structure that is used for solving the inside abnormal sound of liquid crystal display module, one side that the light guide plate is close to the overlap joint strip is through the strip groove intercommunication on intercommunication portion and the overlap joint strip.

In foretell be used for solving the inside abnormal sound of liquid crystal display module novel structure, the light guide plate lower extreme is equipped with the lower plate of being connected with gluey frame, the lower plate respectively with laminating face frame and overlap joint strip laminating and with leave the space between the light guide plate. A gap is reserved between the lower bottom plate and the light guide plate and used for adding an additional reflecting plate.

In the above-mentioned novel structure for solving the inside abnormal sound of liquid crystal display module, the card strip on the lateral surface of gluey frame is parallel to each other with the frame face of gluey frame, and card strip one side slope sets up. The clamping strip is arranged on one side of the rubber frame in an inclined mode, and the liquid crystal display module is conveniently clamped on the mounting structure.

Compared with the prior art, the utility model has the advantages of: an inserting mechanism consisting of a convex block and a groove is arranged between the light guide plate and the rubber frame, so that abnormal sound generated by vibration of the light guide plate is reduced; the periphery of the light guide plate is clamped with the rubber frame through the clamping mechanism, so that the using amount of the adhesive tape is reduced, and the light guide plate is convenient to mount and position; the long limit lower extreme of light guide plate one side is connected and is equipped with the bar groove on the overlap joint strip through overlap joint strip and gluey frame, is convenient for with the leading-in light guide plate of light.

Drawings

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

FIG. 2 is a cross-sectional side view of the structure of FIG. 1;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

fig. 5 is a schematic structural view of the light guide plate of the present invention;

in the figure, the rubber frame 1, the clamping strip 11, the light guide plate 2, the communicating part 21, the plugging mechanism 3, the convex block 31, the groove 32, the clamping mechanism 4, the convex plate group 41, the convex plate 42, the concave edge 43, the attaching surface frame 5, the convex strip 51, the folded edge clamping group 6, the round corner 61, the bevel edge 62, the right angle 63, the clamping edge 64, the lapping strip 7, the transverse plate 71, the vertical plate 72, the strip-shaped plate 73, the strip-shaped groove 74 and the lower base plate 8.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in FIGS. 1-5, the novel structure for solving the abnormal sound inside the liquid crystal display module comprises a plastic frame 1, a light guide plate 2 is installed in the plastic frame 1 through an inserting mechanism 3, the periphery of the light guide plate 2 is matched with the inner side of the plastic frame 1 through a clamping mechanism 4, the inserting mechanism 3 comprises bumps 31 arranged at two sides below the light guide plate 2, the bumps 31 are rectangular and flush with the edge of the short edge of the light guide plate 2, a bonding surface frame 5 is arranged at the inner side of the plastic frame 1, the frame surface of the bonding surface frame 5 is lower than that of the plastic frame 1, the frame surface of the bonding surface frame 5 is mutually bonded with the lower side of the light guide plate 2, grooves 32 mutually inserted with the bumps 31 are arranged on the frame surfaces at two sides of the bonding surface frame 5, a plurality of clamping strips 11 are uniformly arranged on the outer side surface of the plastic frame 1, the depth of the grooves 32 is 1.2-2mm higher than that of the bumps 31, the bonding, the joint face frame 5 and the rubber frame 1 form a clamping mechanism 4 mutually spliced with the light guide plate 2, and the clamping mechanism 4 comprises a folding edge clamping group 6 arranged at one end corner of the rubber frame 1. When in gluing frame 1 with light guide plate 2 joint, the lug 31 of the edge of light guide plate 2 below both sides inserts in the recess 32 on the laminating face frame 5, lug 31 and recess 32 height and degree of depth all adopt 1.6mm, light guide plate 2 keeps relatively fixed with gluing frame 1, has reduced because of the not hard up generated abnormal sound of light guide plate 2.

Specifically, hem joint group 6 includes the fillet 61 of 2 one end corners of light guide plate, and it has the slope to set up and the hypotenuse 62 of being connected with fillet 61 to open on the perpendicular limit of light guide plate 2, is equipped with the right angle 63 of being connected with fillet 61 on the long limit of light guide plate 2, glues 1 inboard one corner of frame and is equipped with the joint limit 64 of mutually supporting with hem joint group 6. Fillet 61, hypotenuse 62 and right angle 63 in hem joint group 6 respectively with set up at the inboard joint limit 64 block of frame 1, during installation light guide plate 2, through hem joint group 6 can fix a position fast and reduce the drunkenness after the installation.

Besides, the latch mechanism 4 includes a plurality of convex plate sets 41 disposed on the periphery of the light guide plate 2, each convex plate set 41 includes a convex plate 42 disposed on the light guide plate 2 and extending outward, and a concave edge 43 mutually latched with the convex plate 42 is disposed on the inner side of the rubber frame 1. The convex plate group 41 in the clamping mechanism 4 clamps the rubber frame 1 with the periphery of the light guide plate 2, so that the installation stability of the light guide plate 2 is improved.

Further, the attaching face frame 5 is connected at the middle part of the inner side of the rubber frame 1 and has a space with the lower end of the rubber frame 1, and a plurality of convex strips 51 attached to the light guide plate 2 are arranged on the frame face of the long edge of the upper end of the attaching face frame 5. After the upper end of the convex strip 51 is attached to the light guide plate 2, a certain mounting margin is left between the light guide plate 2 and the attachment surface frame 5.

Furthermore, a gap of 0.1mm-0.3mm is left between the edge of the light guide plate 2 and the inner side surface of the rubber frame 1, the length of the long side of the rubber frame 1 is 255mm-260mm, and the length of the short side of the rubber frame 1 is 105mm-115 mm. Wherein the gap between the light guide plate 2 and the inner side surface of the rubber frame 1 is 0.2mm, and the lengths of the long side and the short side of the rubber frame 1 are 257.3mm and 110mm respectively.

Deeply, the lap joint strip 7 is inserted into the inner side of the long edge where the rubber frame 1 is connected with the folded edge clamping group 6, and the upper end of the lap joint strip 7 is mutually attached to the lower end of the long edge of the light guide plate 2. The lap joint strip 7 is arranged on the inner side of the rubber frame 1, and when the light guide plate 2 is arranged, the lap joint strip 7 and the rubber frame 1 act together to limit the light guide plate 2 in the frame.

Obviously, the lapping strip 7 includes a horizontal plate 71 and a vertical plate 72 which are respectively attached to the lower end and the inner side of the long edge on one side of the glue frame 1, a strip-shaped plate 73 attached to the upper end light guide plate 2 is arranged in the middle of the horizontal plate 71, a strip-shaped groove 74 is formed between the strip-shaped plate 73 and the vertical plate 72, and openings at two ends of the strip-shaped groove 74 face the outer side of the glue frame 1. The openings at the two sides of the strip-shaped groove 74 face the short side of the rubber frame 1, and a gap is reserved between the vertical plate 72 of the lap joint strip 7 and the light guide plate 2.

Meanwhile, one side of the light guide plate 2 close to the joint strip 7 is communicated with the strip-shaped groove 74 on the joint strip 7 through the communicating part 21. The stripe groove 74 may guide light from the light guide plate 2 side.

Preferably, the lower end of the light guide plate 2 is provided with a lower bottom plate 8 connected with the rubber frame 1, the lower bottom plate 8 is respectively attached with the attaching face frame 5 and the lap joint strip 7, and a gap is reserved between the lower bottom plate and the light guide plate 2.

As can be seen, the clamping strip 11 on the outer side surface of the rubber frame 1 is parallel to the frame surface of the rubber frame 1, and one side of the clamping strip 11 is obliquely arranged. One side of the clamping strip 11 is obliquely arranged, and when the liquid crystal display module is installed at the opposite position, the oblique position of the clamping strip 11 can be stably installed through the fastening mechanism.

In summary, the principle of the present embodiment is: the two sides of the lower end of the light guide plate 2 are provided with the convex blocks 31, the bonding surface frame 5 bonded with the light guide plate 2 is provided with the grooves 32, and the convex blocks 31 and the grooves 32 are mutually inserted, so that the light guide plate 2 is limited to shake relative to the rubber frame 1 in the plane direction; the inner side of the rubber frame 1 is provided with a clamping mechanism 4 which is mutually clamped with the periphery of the light guide plate 2, and when the light guide plate 2 is arranged in the rubber frame 1, the clamping mechanism 4 helps an installer to quickly install the light guide plate 2; glue frame 1 one side long limit inboard and be equipped with overlap joint strip 7, overlap joint strip 7 bears light guide plate 2 jointly with the laminating face frame 5 of gluing frame 1 opposite side, wherein the strip groove 74 in the overlap joint strip 7 is convenient in leading-in light guide plate 2 with light.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the rubber frame 1, the clamping strip 11, the light guide plate 2, the communication part 21, the plugging mechanism 3, the convex block 31, the groove 32, the clamping mechanism 4, the convex plate group 41, the convex plate 42, the concave edge 43, the attaching surface frame 5, the convex strip 51, the folded edge clamping group 6, the round corner 61, the bevel edge 62, the right angle 63, the clamping edge 64, the overlapping strip 7, the transverse plate 71, the vertical plate 72, the strip-shaped plate 73, the strip-shaped groove 74, the lower bottom plate 8 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A novel structure for solving the abnormal sound in a liquid crystal display module comprises a rubber frame (1), wherein a light guide plate (2) is arranged in the rubber frame (1) through an inserting mechanism (3), and the novel structure is characterized in that the periphery of the light guide plate (2) is matched with the inner side of the rubber frame (1) through a clamping mechanism (4), the inserting mechanism (3) comprises convex blocks (31) arranged on two sides below the light guide plate (2), the convex blocks (31) are rectangular and flush with the edge of the short edge of the light guide plate (2), a bonding surface frame (5) is arranged on the inner side of the rubber frame (1), the frame surface of the bonding surface frame (5) is lower than the frame surface of the rubber frame (1), the frame surface of the bonding surface frame (5) is mutually bonded with the lower side of the light guide plate (2), grooves (32) mutually inserted with the convex blocks (31) are arranged on the frame surfaces on two sides of the bonding surface frame (5), glue the lateral surface of frame (1) on evenly arrange and be equipped with a plurality of card strips (11), the degree of depth of recess (32) and the height of lug (31) be 1.2-2mm, glue laminating face frame (5) of frame (1) inboard and glue frame (1) interconnect, laminating face frame (5) constitute clamping mechanism (4) of splicing mutually with light guide plate (2) with gluing frame (1), clamping mechanism (4) including setting up hem joint group (6) gluing frame (1) one end corner.

2. The novel structure for solving the abnormal sound inside the liquid crystal display module according to claim 1, wherein the folded edge clamping group (6) comprises a round corner (61) at one end of the light guide plate (2), a vertical edge of the light guide plate (2) is provided with a bevel edge (62) which is obliquely arranged and connected with the round corner (61), a long edge of the light guide plate (2) is provided with a right angle (63) connected with the round corner (61), and one corner of the inner side of the rubber frame (1) is provided with a clamping edge (64) which is matched with the folded edge clamping group (6).

3. The novel structure for solving the abnormal sound inside the liquid crystal display module according to claim 1 or 2, wherein the clamping mechanism (4) comprises a plurality of convex plate groups (41) arranged on the periphery of the light guide plate (2), each convex plate group (41) comprises a convex plate (42) arranged on the light guide plate (2) and extending outwards, and a concave edge (43) mutually clamped with the convex plates (42) is arranged on the inner side of the rubber frame (1).

4. The novel structure for solving the abnormal sound inside the liquid crystal display module set of claim 1, wherein the attaching surface frame (5) is connected to the middle part of the inner side of the rubber frame (1) and has a gap with the lower end of the rubber frame (1), and a plurality of convex strips (51) attached to the light guide plate (2) are arranged on the frame surface of the long edge of the upper end of the attaching surface frame (5).

5. The novel structure for solving the abnormal sound inside the liquid crystal display module set of claim 1, wherein a gap of 0.1mm-0.3mm is left between the edge of the light guide plate (2) and the inner side surface of the rubber frame (1), the length of the long side of the rubber frame (1) is 255mm-260mm, and the length of the short side of the rubber frame (1) is 105mm-115 mm.

6. The novel structure for solving the abnormal sound inside the liquid crystal display module according to claim 1, wherein the lap joint strips (7) are inserted into the inner sides of the long edges of the rubber frame (1) connected with the folded edge clamping group (6), and the upper ends of the lap joint strips (7) are mutually attached to the lower ends of the long edges of the light guide plate (2).

7. The novel structure for solving the abnormal sound inside the liquid crystal display module according to claim 6, wherein the lapping strip (7) comprises a transverse plate (71) and a vertical plate (72) which are respectively attached to the lower end of the long side of one side of the rubber frame (1) and the inner side of the long side of the rubber frame (1), a strip-shaped plate (73) attached to the upper end light guide plate (2) is arranged in the middle of the transverse plate (71), a strip-shaped groove (74) is formed between the strip-shaped plate (73) and the vertical plate (72), and openings at two ends of the strip-shaped groove (74) face the outer side of the rubber frame (1).

8. The novel structure for solving the abnormal sound inside the liquid crystal display module set of claim 7, wherein one side of the light guide plate (2) close to the joint strip (7) is communicated with the strip-shaped groove (74) on the joint strip (7) through the communicating part (21).

9. The novel structure for solving the abnormal sound inside the liquid crystal display module according to claim 6, wherein the lower end of the light guide plate (2) is provided with a lower bottom plate (8) connected with the rubber frame (1), the lower bottom plate (8) is respectively attached with the attaching surface frame (5) and the lap joint strip (7) and a gap is left between the lower bottom plate and the light guide plate (2).

10. The novel structure for solving the abnormal sound in the liquid crystal display module set of claim 1, wherein the clamping strip (11) on the outer side surface of the rubber frame (1) is parallel to the frame surface of the rubber frame (1), and one side of the clamping strip (11) is obliquely arranged.