CN201184943Y - Liquid crystal display device with double screens - Google Patents

Abstract

The utility model discloses a liquid crystal display device with double screen, including a frame, fix backlight unit, main screen in the frame and fix the vice screen on the frame. The frame comprises a shell, the shell is provided with a substrate, and a plurality of retaining walls are convexly extended on the substrate. The secondary screen is fixed on the shell of the frame, and the edge of the secondary screen is propped against the blocking wall. The utility model discloses when the liquid crystal display device with double screen was fixed in the frame with vice screen in the equipment process, can make the edge of vice screen support on keeping off the wall and realize the location to can reduce the manufacturing cost of the liquid crystal display device who has double screen, save its equipment man-hour.

Description

Liquid crystal display device with dual screens

technical field

The utility model relates to a liquid crystal display device, in particular to a liquid crystal display device with double screens.

Background technique

The existing liquid crystal display device with dual screens includes a main screen, a secondary screen, a backlight module and a frame, wherein the main screen, the secondary screen and the backlight module are fixed on the frame.

However, in the above-mentioned background art, when assembling the auxiliary screen on the frame, a jig is required for positioning, which is likely to generate dust and pollute the product, and the use of the jig will consume man-hours and lead to higher production costs.

Utility model content

The purpose of this utility model is to provide a liquid crystal display device with double screens with low production cost and less man-hours for the above-mentioned shortcomings of the background technology.

In order to achieve the above purpose, the utility model provides a liquid crystal display device with double screens, which includes a frame, a backlight module fixed in the frame, a main screen and a secondary screen fixed on the frame. The frame includes a shell, and the shell has a base plate, and several retaining walls protrude from the base plate. The auxiliary screen is fixed on the shell of the frame, and its edge is against the retaining wall.

Another liquid crystal display device with double screens provided by the utility model includes a frame, a backlight module fixed in the frame, a main screen and a secondary screen fixed on the frame. The frame includes a main frame, and the main frame has a base plate on which several retaining walls protrude. The auxiliary screen is fixed on the main frame of the frame, and its edge is against the retaining wall.

As mentioned above, when the sub-screen is fixed on the frame during the assembly process of the liquid crystal display device with dual screens, the edge of the sub-screen can be positioned against the retaining wall, so that the sub-screen can be assembled without using jigs On the frame, therefore, the production cost of the liquid crystal display device with double screens can be reduced, and the man-hours for its assembly can be saved.

Description of drawings

FIG. 1 is a three-dimensional assembled view of the first embodiment of the liquid crystal display device with dual screens of the present invention.

FIG. 2 is an exploded perspective view of the liquid crystal display device with dual screens shown in FIG. 1 .

FIG. 3 is a perspective view of the casing of the liquid crystal display device with dual screens shown in FIG. 1 .

FIG. 4 is a partially enlarged view of part II of FIG. 3 .

FIG. 5 is a three-dimensional assembled view of the main circuit board, the main screen and the secondary screen of the liquid crystal display device with dual screens shown in FIG. 1 after being connected.

FIG. 6 is a perspective view of a state during assembly of the liquid crystal display device with dual screens shown in FIG. 1 .

Fig. 7 is a partial sectional view along line VI-VI of Fig. 1 .

FIG. 8 is a three-dimensional assembled view of the second embodiment of the liquid crystal display device with double screens of the present invention.

FIG. 9 is an exploded perspective view of the liquid crystal display device with dual screens shown in FIG. 8 .

FIG. 10 is a perspective view of the main frame of the liquid crystal display device with dual screens shown in FIG. 8 .

Fig. 11 is a partial sectional view along line VII-VII of Fig. 8 .

The reference signs in the figure are explained as follows:

Shell 11 Substrate 110, 140

Side wall 111 Card slot 112

Clamping block 113, 143 Shell opening 114

Main hole 115, 145 Auxiliary hole 116

Retaining wall 117, 147 inner frame 12

border 120 first square space 121

Frame wall 122 bump 123

Inner frame opening 125 Cover frame 13

Border 130 Second square space 131

Side wall 132 Slotted 134

Cover frame opening 135 Main frame 14

First frame wall 141 Second frame wall 142

Main frame opening 144 Backlight module 20

Main screen 30 Secondary screen 40

Main circuit board 50 Main screen connection part 51

Secondary screen connection part 52 Secondary screen accommodation hole 53

Clearance 54 Double-sided tape 60

Detailed ways

In order to describe in detail the technical content, structural features, achieved goals and effects of the present utility model, the following examples are given together with the accompanying drawings to describe in detail.

Please refer to FIG. 1 and FIG. 2 , the liquid crystal display device with dual screens in this embodiment includes a frame, a main screen 30 fixed in the frame, a backlight module 20 and a secondary screen 40 fixed in the frame. The frame is composed of an outer shell 11 , an inner frame 12 and a cover frame 13 .

Please refer to FIG. 2 , FIG. 3 and FIG. 4 , the housing 11 has a rectangular plate-shaped base plate 110 , and each edge of the base plate 110 is bent vertically upwards to extend with a side wall 111 . The side wall 111 is provided with a plurality of locking slots 112 and a plurality of locking blocks 113 protruding therefrom. One of the side walls 111 is also provided with a casing opening 114 . The substrate 110 defines a rectangular main hole 115 . The substrate 110 defines a plurality of auxiliary holes 116 adjacent to the periphery of the main hole 115 . A double-sided tape 60 in the shape of a square frame is pasted on the part of the substrate 110 inside the retaining wall 117 .

Please refer to Fig. 2, the inner frame 12 is made of plastic material, and it is arranged in the shell 11, and this inner frame 12 has several borders 120, and these borders 120 surround a first square space 121, and each border 120 A frame wall 122 extends vertically upward from the outer edges, and one of the frame walls 122 defines an inner frame opening 125 corresponding to the shell opening 114 . The frame walls 122 protrude from a plurality of protrusions 123 that engage with the slots 112 of the housing 11 .

The cover frame 13 covers the casing 11 , and has a plurality of frame sides 130 , and the plurality of frame sides 130 enclose a second square space 131 . The outer edge of each frame side 130 is vertically bent downwards to extend a side wall 132 . The sidewall 132 defines a plurality of slots 134 engaging with the blocks 113 of the casing 11 , and one of the sidewalls 132 defines a cover frame opening 135 corresponding to the casing opening 114 .

Referring to FIG. 2 and FIG. 5 , the main screen 30 , the secondary screen 40 and the main circuit board 50 are connected together. The main circuit board 50 is substantially in the shape of a frame, and is a flexible circuit board. A rectangular auxiliary screen accommodating hole 53 is disposed in the middle of the main circuit board 50 . A main screen connection part 51 is formed at the middle part of an outer edge of the main circuit board 50, and a secondary screen connection part 52 is formed at the middle part of an inner edge of the other end. The main screen connection part 51 and the secondary screen connection part 52 are etched with signal lines ( not shown in the figure). The end of the main screen connection part 51 is fixed with one end of the main screen 30 and the signal line of the main screen connection part 51 is electrically connected with the signal line on the main screen 30 . The sub-screen accommodating hole 53 is used to accommodate the sub-screen 40, and the end of the sub-screen connection part 52 of the main circuit board 50 is fixed with one end of the sub-screen 40 so that the signal line of the sub-screen connection part 52 is connected to the side of the sub-screen 40. The signal lines are electrically connected, and there is a gap 54 between the inner edge of the main circuit board 50 and the edge of the secondary screen 40 , and the gap 54 is used to accommodate the retaining wall 117 of the housing 11 .

Please refer to Fig. 2, Fig. 5, Fig. 6 and Fig. 7, when assembling the liquid crystal display device with double screens of the present invention, at first the inner frame 12 is installed in the shell 11, and the frame wall 122 on the inner frame 12 The protrusion 123 is embedded in the slot 112 of the side wall 111 of the casing 11; then the backlight module 20 is placed in the first square space 121 of the inner frame 12, and the edge of the backlight module 20 is placed on the substrate of the casing 11 110 adjacent to the edge of the main hole 115; then the main screen 30 is installed above the first square space 121 of the inner frame 12, and the main screen 30 is glued and fixed on the frame 120 of the inner frame 12; then the cover frame 13 is covered on the On the outer shell 11 and the inner frame 12, the side wall 132 of the cover frame 13 covers the side wall 111 of the outer shell 11, and is fixed together with the locking block 113 through the slot 134, so that the cover frame 13, the outer shell 11 and the inner frame 12 fixed together. Finally, the auxiliary screen 40 is installed on the frame, and the main screen connecting portion 51 of the main circuit board 50 passes through the housing opening 114, the inner frame opening 125 and the cover frame opening 135, so that the edge of the auxiliary screen 40 is against the retaining wall 117 of the housing 11. And glued on the double-sided adhesive tape 60 , at this time, the retaining wall 117 of the casing 11 is accommodated in the gap 54 between the main circuit board 50 and the secondary screen, so that the secondary screen 40 is fixed on the casing 11 of the frame.

Please refer to Fig. 8, Fig. 9, Fig. 10 and Fig. 11, which disclose the second embodiment of the liquid crystal display device with double screens of the present invention, this embodiment is similar to the first embodiment, the difference lies in: the frame It includes a cover frame 13 and a main frame 14. The main frame 14 is made of plastic material. The main frame 14 has a rectangular plate-shaped base plate 140, and each edge of the base plate 140 is bent vertically upwards to extend a first frame wall 141 A second frame wall 142 extends vertically upwards from the outer edge of the first frame wall 141, and a plurality of holes that engage with the slots 134 of the cover frame 13 protrude from the second frame wall 142 and the first frame wall 141. block 143. A main frame opening 144 corresponding to the cover frame opening 135 is defined on one side of the first frame wall 141 and the second frame wall 142 . A main hole 145 is defined on the base plate 140 , and a retaining wall 147 protrudes outward perpendicular to the base plate 140 from a peripheral edge of the base plate 140 adjacent to the main hole 145 .

When assembling the liquid crystal display device with double screens in this embodiment, the backlight module 20 and the main screen 30 are installed in the internal space (not shown) surrounded by the main frame 14 and the cover frame 13, and the backlight module 20 The edge is placed on the edge of the base plate 140 of the main frame 14 adjacent to the main hole 145 , and the edge of the main screen 30 is placed on the edge of the first frame wall 141 of the main frame 14 .

As mentioned above, when the secondary screen 40 is fixed on the frame during the assembly process, the edges of the secondary screen 40 are pressed against the retaining walls 117, 147, and the secondary screen 40 is bonded to the double-sided adhesive tape 60, thereby the The secondary screen 40 is fixed on the shell 11 of the frame or the main frame 14, so that the secondary screen 40 can be assembled on the frame without using jigs, so the production cost and saving of the liquid crystal display device with double screens of the present invention can be reduced. its assembly time.

Claims (9)

1. liquid crystal indicator with double screen, comprise a framework, be fixed on module backlight, the main screen in the framework and be fixed on pair screen on the framework, framework comprises a shell, this shell has a substrate, it is characterized in that: protruded out several barricades on the described substrate, secondary screen is fixed on the shell of framework, and its edge is butted on the barricade.

2. the liquid crystal indicator with double screen according to claim 1 is characterized in that: further comprise an inside casing, this inside casing has several frames, and the lateral border of frame vertically is extended with a frame wall; The vertical bending of the periphery of described substrate is extended with several side walls, and this side wall coated frame wall also is fixed on the frame wall; Outer casing upper cover has closed a cover frame, and this cover frame has several edges, and the edge lateral border bends vertically downward and is extended with a sidewall, and sidewall coats the side wall of shell and is fixed on this side wall.

3. the liquid crystal indicator with double screen according to claim 2 is characterized in that: offer several via holes on the substrate of described shell, described barricade is to be extended to form by the outside bending of the peritreme of this via hole.

4. the liquid crystal indicator with double screen according to claim 1 is characterized in that: described secondary screen is bonding on the substrate of described shell with double faced adhesive tape.

5. the liquid crystal indicator with double screen according to claim 1 is characterized in that: further comprise a main circuit board, this main circuit board is a flexible circuit board, and described main screen, secondary screen are connected on this main circuit board.

6. liquid crystal indicator with double screen, comprise a framework, be fixed on module backlight, the main screen in the framework and be fixed on pair screen on the framework, framework comprises a main frame, this main frame has a substrate, it is characterized in that: protruded out several barricades on the described substrate, secondary screen is fixed on the main frame of framework, and its edge is butted on the barricade.

7. the liquid crystal indicator with double screen according to claim 6 is characterized in that: the periphery bending of described substrate is extended with several first frame walls, and the lateral border bending of the first frame wall is extended with one second frame wall; Wherein also offer shell aperture on the first frame wall of a side and the second frame wall; Be covered with a cover frame on the main frame, this cover frame has several edges, and the edge lateral border bends vertically downward and is extended with a sidewall, and sidewall coats and is fixed on the first frame wall and the second frame wall of main frame.

8. the liquid crystal indicator with double screen according to claim 6 is characterized in that: described secondary screen is bonding on the substrate of described main frame with double faced adhesive tape.

9. the liquid crystal indicator with double screen according to claim 6 is characterized in that: further comprise a main circuit board, this main circuit board is a flexible circuit board, and described main screen, secondary screen are connected on this main circuit board.

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