CN201184943Y

CN201184943Y - LCD device with double screens

Info

Publication number: CN201184943Y
Application number: CNU2008200454095U
Authority: CN
Inventors: 曾启明; 吕学友
Original assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Current assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Priority date: 2008-03-21
Filing date: 2008-03-21
Publication date: 2009-01-21
Anticipated expiration: 2018-03-21

Abstract

The utility model discloses a liquid crystal display with double screens. The liquid crystal display comprises a frame, a backlight module fixed in the frame, a main screen and an auxiliary screen fixed on the frame. The frame comprises an outer shell, the outer shell is provided with a basal plate, and a plurality of retaining walls are protruded and extended on the basal plate. The auxiliary screen is fixed on the outer shell of the frame, and the edges of the auxiliary screen are propped against the retaining walls. The liquid crystal display with the double screens is characterized in that the auxiliary screen is fixed on the frame during the assembling process, and the location can be realized by enabling the edges of the auxiliary screen to be propped against the retaining walls, thereby reducing the manufacturing cost of the liquid crystal display with the double screens, and saving the assembling time thereof.

Description

Liquid crystal indicator with double screen

Technical field

The utility model relates to a kind of liquid crystal indicator, particularly relates to a kind of liquid crystal indicator with double screen.

Background technology

Existing liquid crystal indicator with double screen comprises main screen, secondary screen, module backlight and framework, and wherein main screen, secondary screen and module backlight are fixed on the framework.

Yet the above-mentioned background technology needs to adopt the tool location when being assembled in the pair screen on the framework, and this is easy to generate dust and polluted product, and uses tool to cause and expend man-hour and cause production cost higher.

The utility model content

The purpose of this utility model be the deficiency at the above-mentioned background technology provide a kind of production cost low, expend few liquid crystal indicator in man-hour with double screen.

For achieving the above object, a kind of liquid crystal indicator with double screen that the utility model provides comprises a framework, is fixed on module backlight, the main screen in the framework and is fixed on pair screen on the framework.Framework comprises a shell, and this shell has a substrate, has protruded out several barricades on the substrate.Secondary screen is fixed on the shell of framework, and its edge is butted on the barricade.

The another kind that the utility model provides has the liquid crystal indicator of double screen, comprises a framework, is fixed on module backlight, the main screen in the framework and is fixed on pair screen on the framework.This framework comprises a main frame, and this main frame has a substrate, has protruded out several barricades on the substrate.Secondary screen is fixed on the main frame of framework, and its edge is butted on the barricade.

As mentioned above, when in having the liquid crystal indicator assembling process of double screen, being fixed in the pair screen on the framework, can make the edge of secondary screen be butted on the barricade and realization location, thereby needn't use tool pair screen can be assembled on the framework, therefore can reduce the liquid crystal indicator with double screen production cost, save its assembling man-hour.

Description of drawings

Fig. 1 is the three-dimensional combination figure of first embodiment that the utlity model has the liquid crystal indicator of double screen.

Fig. 2 is the three-dimensional exploded view with liquid crystal indicator of double screen shown in Figure 1.

Fig. 3 is the stereographic map of the shell of the liquid crystal indicator with double screen shown in Figure 1.

Fig. 4 is the partial enlarged drawing of the II part of Fig. 3.

Fig. 5 is main circuit board, main screen and the secondary three-dimensional combination figure that shields after being connected with liquid crystal indicator of double screen shown in Figure 1.

Fig. 6 is the stereographic map with liquid crystal indicator a kind of state in assembling process of double screen shown in Figure 1.

Fig. 7 is the phantom view of Fig. 1 along the VI-VI line.

Fig. 8 is the three-dimensional combination figure of second embodiment that the utlity model has the liquid crystal indicator of double screen.

Fig. 9 is the three-dimensional exploded view with liquid crystal indicator of double screen shown in Figure 8.

Figure 10 is the stereographic map of the main frame of the liquid crystal indicator with double screen shown in Figure 8.

Figure 11 is the phantom view of Fig. 8 along the VII-VII line.

Each description of reference numerals is as follows among the figure:

Shell 11 substrates 110,140

Side wall 111 draw-in grooves 112

Fixture block 113,143 shell aperture 114

Main aperture 115,145 via holes 116

Barricade 117,147 inside casings 12

Frame 120 first square spaces 121

Frame wall 122 projections 123

Inside casing opening 125 cover frames 13

Edge 130 second square spaces 131

Sidewall 132 flutings 134

Cover frame opening 135 main frames 14

The first frame wall, 141 second frame walls 142

Main frame opening 144 modules 20 backlight

Main screen 30 secondary screens 40

Main circuit board 50 main screen connecting portions 51

Secondary screen connecting portion 52 secondary screen containing holes 53

Gap 54 double faced adhesive tapes 60

Embodiment

By describing technology contents of the present utility model, structural attitude in detail, realized purpose and effect, below now for example and conjunction with figs. is detailed gives explanation.

See also Fig. 1 and Fig. 2, the liquid crystal indicator that present embodiment has a double screen comprises that a framework, is fixed in main screen 30, module backlight 20 and in this framework and is fixed in pair screen 40 on this framework.This framework is made up of a shell 11, an inside casing 12 and a cover frame 13.

See also Fig. 2, Fig. 3 and Fig. 4, shell 11 has a rectangular tabular substrate 110, and each edge of substrate 110 all bending vertically upward is extended with a side wall 111.Offer several draw-in grooves 112 on the side wall 111 and convex with several fixture blocks 113.Wherein also offer shell aperture 114 on the side wall 111.Offer a rectangular main aperture 115 on the substrate 110, substrate 110 offers several via holes 116 in contiguous main aperture 115 peripheral regions, and the outwards vertical bending of the peritreme of this via hole 116 has extended to form a barricade 117.Substrate 110 on the part of barricade 117 inboards, be adhesive with a double faced adhesive tape 60 that is square frame shape.

See also Fig. 2, inside casing 12 is made by plastic material, it is arranged in the shell 11, this inside casing 12 has several frames 120, these frames 120 surround one first square space 121, the lateral border of each frame 120 all is extended with a frame wall 122 vertically upward, and wherein offers an inside casing opening 125 corresponding with shell aperture 114 on the frame wall 122.Convex with the projection 123 that the draw-in groove 112 of several and shell 11 fastens on these frame walls 122.

Cover frame 13 is covered on the shell 11, and it has several edges 130, and several edges 130 surround one second square space 131.Each edge 130 lateral border all bending vertically downward are extended with a sidewall 132.Offer the fluting 134 that the fixture block 113 of several and shell 11 fastens on the sidewall 132, and wherein also offer a cover frame opening 135 corresponding on the sidewall 132 with shell aperture 114.

See also Fig. 2 and Fig. 5, main screen 30, secondary screen 40 link together with main circuit board 50.Main circuit board 50 roughly is the square frame shape, and it is a flexible circuit board.Be provided with a rectangular pair screen containing hole 53 in the middle of the main circuit board 50.One lateral border center of main circuit board 50 is formed with a main screen connecting portion 51, and a medial margin center of the other end is formed with a pair screen connecting portion 52, and equal etching has the signal wire (not shown) on main screen connecting portion 51 and the secondary screen connecting portion 52.One end of the end of main screen connecting portion 51 and main screen 30 is fixed together and makes the signal wire of main screen connecting portion 51 and the signal wire on the main screen 30 form electric connection.Secondary screen containing hole 53 is used to hold secondary screen 40, the end of the pair screen connecting portion 52 of this main circuit board 50 and an end of pair screen 40 are fixed together and the signal wire of pair screen connecting portion 52 and the signal wire formation of pair screen 40 are electrically connected, and the medial margin of main circuit board 50 has a gap 54 with the marginating compartment of secondary screen 40, and this gap 54 is used to hold the barricade 117 of shell 11.

See also Fig. 2, Fig. 5, Fig. 6 and Fig. 7, when assembling the utlity model has the liquid crystal indicator of double screen, at first inside casing 12 is installed in the shell 11, and projection 123 build-ins on the frame wall 122 of inside casing 12 are in the draw-in groove 112 of the side wall 111 of shell 11; Then module 20 backlight is placed in first square space 121 of inside casing 12, the edge of module 20 backlight places on the edge of contiguous main aperture 115 of substrate 110 of shell 11; Then main screen 30 is installed in first square space, 121 tops of inside casing 12, main screen 30 is binded and is fixed on the frame 120 of inside casing 12; Cover frame 13 cover is overlying on shell 11 and the inside casing 12, the sidewall 132 of cover frame 13 coats the side wall 111 of shells 11 again, and 134 is fixed together with fixture block 113 by slotting, thereby cover frame 13, shell 11 and inside casing 12 are fixed together.At last pair screen 40 is installed on the framework, the main screen connecting portion 51 of main circuit board 50 is by shell aperture 114, inside casing opening 125 and cover frame opening 135, make the edge of secondary screen 40 be butted on the barricade 117 of shell 11 and be bonding on the double faced adhesive tape 60, this moment, the barricade 117 of shell 11 was located in main circuit board 50 and the gap 54 between secondary the screen, thereby pair screen 40 is fixed on the shell 11 of framework.

See also Fig. 8, Fig. 9, Figure 10 and Figure 11, it has disclosed second embodiment of the liquid crystal indicator that the utlity model has double screen, the present embodiment and first embodiment are similar, its difference is: framework comprises a cover frame 13 and a main frame 14, main frame 14 is made by plastic material, main frame 14 has a rectangular tabular substrate 140, each edge of substrate 140 all bending vertically upward is extended with one first frame wall 141, the lateral border of the first frame wall 141 is extended with several fixture blocks 143 that the fluting 134 that all convexes with several and cover frame 13 on one second frame wall, 142, the second frame walls 142 and the first frame wall 141 fastens vertically upward.Wherein also offer a main frame opening 144 corresponding on the first frame wall 141 of a side and the second frame wall 142 with cover frame opening 135.Offer a main aperture 145 on the substrate 140, substrate 140 has outwards protruded out barricade 147 perpendicular to substrate 140 in contiguous main aperture 145 peripheral regions.

When the assembling present embodiment has the liquid crystal indicator of double screen, module 20 backlight and main screen 30 are installed in the inner space (not shown) that main frame 14 and cover frame 13 surrounded, the edge of module 20 backlight places on the edge of contiguous main aperture 145 of substrate 140 of main frame 14, and the edge of main screen 30 places on the edge of the first frame wall 141 of main frame 14.

From the above mentioned, when in assembling process, being fixed in pair screen 40 on the framework, the edge of secondary screen 40 is butted on the barricade 117,147, and secondary screen 40 is bonding on the double faced adhesive tape 60, thus pair screen 40 is fixed on the shell 11 or main frame 14 of framework, therefore be assembled on the framework thereby needn't use tool pair can be shielded 40, can reduce the production cost with liquid crystal indicator of double screen of the present utility model, save its assembling man-hour.

Claims

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.