CN201273973Y - LCD module of liquid crystal display - Google Patents

Abstract

The utility model discloses an LCD module which is provided with a frame display screen capable of displaying a substantive image, at least more than one LCD panel can form images in the frame display screen; a backlight component arranged at the back side of the LCD panel and projects lights to at least more than one LCD panel, a plastic framework injected and shaped by synthetic resin and used for supporting the LCD panels and the backlight component, as well as the model framework of a reinforced auxiliary material which forms a closed loop shaped-metal material and integrally combined with the plastic framework. The utility model has the advantages that the integral structure improves the torsional strength or bending strength of the model framework, reduces the damaged rate of the LCD panels, and is beneficial to improving the efficiency of assembling production. A reinforced side wall combined at the upper wall of the plastic framework and a reflection side wall extending and bending to the lower side from the reinforced side wall and combined with the inner side wall of the plastic framework can prevent lights from losing from the side surface of the light guide plate of the backlight component, and is more capable of improving the transmission efficiency of light.

Description

LCD LCD module

Technical field

The utility model relates to a kind of LCD LCD module, and particularly the portable terminating machine of assembling LCD module is subjected to owing to during impact under the feelings such as fall, more can reduce the LCD LCD module of LCD panel breakage.

Background technology

LCD LCD is a molecules align of having utilized the power supply of connecting certain voltage to break up liquid crystal, the principle that stops light to pass through.CRT compares with the color cathode pipe, not only visual outstanding, with comparing of same frame size CRT, average current drain is low, thermal value is little, because thin thickness, weight are little, has the advantage that reaches complanation easily, so LCD LCD and plasma display PDP, Field Emission Display FED become the follow-on display of mobile phone, computer monitor and televisor.

LCD generally has LCD panel and backlight assembly, because LCD module itself can not be luminous, but adopt to regulate the mode of its transmissivity, therefore will form on the LCD panel certain portrait then will be on the LCD panel projection light, backlight assembly is carried out this function just.Backlight assembly is to be divided into a side that light source is placed in the LCD panel plane, the full run-down type of whole LCD panel direct irradiations; Line source or pointolite are settled in a side or a plurality of side at panel, by the side light type of reflection of parts such as light guide plate and reflecting optics and diffusion light.Mobile communication terminals such as present mobile phone are mainly to adopt side light type with the equipment such as PDA that are called personal portable terminals.

Backlight assembly has the light of illuminator emission to the effect of LCD panel-centralized, forms evenly and the light guide plate of the light that degree of waving is good; The modes from top to bottom such as functional film-prismatic lens of compiling light are layered on the model framework, and upload to the LDC panel and to lose.

LCD can be used in multiple field, distinguishes small LCD module of assembling on called after mobile phone or the digital camera and the large LCD module that is used for using on TV or the display according to its size dimension.At this, the small LCD module definition for mainly being the LCD module below 4 inches.The LCD module is to be connected on the printing board PCB from be dynamically connected (tape automated bonding) by the flexibility band, or directly be connected printed circuit board (PCB) and constitute a display module, that is, the LCD module is the modular product that connects a drive IC on the LCD circuit board.

But present LCD module is the model framework with the white of synthetic resin injection mo(u)lding supports LCD panel and backlight assembly, because model framework is the structure of injection mo(u)lding, in a single day therefore on mobile phone, drop in the process in the assembling LCD module, then model framework can be under the effect of bigger distortion of moment or bending force, cause distortion, thereby this distortion or bending force are passed on its distortion or bending force on the LCD panel that model framework supports, and finally cause the LCD panel can not resist its strength and cause breakage.

Present LCD module is to utilize reflex to prevent that light runs off in the light guide plate side of backlight assembly, and for the transfer efficiency that improves, the white synthetic resin of model framework adopts polycarbonate PC to make, but the volume reflection of its synthetic resin is to have certain limitation.Therefore utilize reflex to prevent that light runs off in the light guide plate side of backlight assembly, and the method for the transfer efficiency of raising light is that certain limitation is arranged.

Summary of the invention

Technical matters of the present utility model is that a kind of transverse strength or bending strength that improves module frame will be provided, and reduces the breakage rate of LCD panel; Effectively prevent and reduce the situation that light runs off in the side, improve the LCD LCD module of the transfer efficiency of light.

In order to solve above problem, the utility model provides a kind of LCD LCD module, has to do substantive portrait picture displayed display screen, forms the LCD panel more than at least 1 of portrait in above-mentioned picture display screen; Be placed in the backlight assembly of oriented at least more than one the above-mentioned LCD panel projection light of above-mentioned LCD panel rear side; What support above-mentioned LCD panel and above-mentioned backlight assembly is the plastic frame body of using the synthetic resin injection mo(u)lding; What combine with above-mentioned plastic frame body one is the reinforcement auxiliary material model framework that forms the metal material of loop shape, and integral structure improves the efficiency that assembling is produced.

Described reinforcement auxiliary material model framework is the above-mentioned plastic frame body that the reinforcement auxiliary material of metal material is embedded injection mo(u)lding, and the reinforcement auxiliary material of above-mentioned metal material are combined with above-mentioned plastic frame body one.

Described reinforcement auxiliary material model framework is to be roughly dimetric annulation with the shape of above-mentioned plastic frame body is corresponding, has L type section, helps improving transverse strength or bending strength.

Described reinforcement auxiliary material model framework forms more than one at least L type section.

Described reinforcement auxiliary material model framework has to combine with the upper wall of plastic frame body to form and strengthens sidewall, and prolong warpage downwards and combine with the madial wall of above-mentioned plastic frame body from above-mentioned enhancing sidewall and form reflective side walls, help transmitting more light by backlight assembly.

Described plastic frame body is that polycarbonate PC makes, and above-mentioned reinforcement auxiliary material model framework is made of steel plate.

Described LCD panel comprises main LCD panel, backlight assembly be placed in main LCD panel reverse side and the size than between the little auxiliary LCD panel of main LCD panel.

Described backlight assembly comprises: radiative electroluminescent lamp and make light be pooled to the light guide plate of above-mentioned each LCD panel from electroluminescent lamp; Be placed in above-mentioned light guide plate one side and transmit the main optical eyeglass of the light that above-mentioned light guide plate sends; Be placed in the opposite side of above-mentioned light guide plate, transmit the auxiliary optical eyeglass of the light that above-mentioned light guide plate sends; Being placed between above-mentioned main optical eyeglass and the above-mentioned main LCD panel, is the main black and white glue with shaded effect; Being placed between above-mentioned auxiliary optical eyeglass and the above-mentioned auxiliary LCD panel, is the auxiliary black and white glue with shaded effect.

Described lamp is a LED.

Superior effect of the present utility model is:

1) the utility model is after intensity is strengthened auxiliary material and is placed on injection mould, the injecting synthetic resin injection molded, making intensity strengthen auxiliary material combines with the plastic frame body one, form model framework, this model framework more can improve the transverse strength or the bending strength of model framework, even its impact force action is under the situation of LCD module, the distortion of model framework or crooked distortion will be strengthened auxiliary material by intensity and stop, thereby the LCD panel that supports of model framework can not cause breakage because of distortion or flexural deformation;

2) intensity is strengthened the shape that auxiliary material are formation loops, and the shape that only possesses loop could effectively stop the breakage that causes the LCD panel because of the distortion of plastic frame body or flexural deformation;

3) intensity reinforcement auxiliary material are to have the enhancing sidewall that combines with the plastic frame body upper wall, the reflective side walls that prolongs warpage downwards and combine from reinforced sidewall with the madial wall of plastic frame body, have the intensity of making and strengthen the reflective side walls of auxiliary material and the madial wall structure combining of plastic frame body of steel plate, can prevent effectively and reduce more that the light that the LED lamp sends reflects the situation that runs off in the light guide plate side in the back in reflective side walls, more can improve the transfer efficiency of light.

Description of drawings

Fig. 1 is the mobile phone oblique view of the assembling LCD module of the utility model the 1st embodiment;

Fig. 2 is the LCD decomposition module oblique view according to the utility model the 1st example;

Fig. 3 is the exploded perspective view of Fig. 2 LCD module opposite side;

Fig. 4 is the front view (FV) that the LCD module is installed the flexible printed wiring board of LED among Fig. 2;

Fig. 5 is the exploded perspective view of the LCD modular model framework of Fig. 2;

Fig. 6 is the oblique view of embedding injection moulding state of the LCD modular model framework of Fig. 2;

Fig. 7 is the sectional drawing of the VII-VII of Fig. 6;

Fig. 8 is the LCD modular model frame diagram 6 corresponding figure of another embodiment of the utility model;

The number in the figure explanation

1-LCD LCD module; 5-mobile phone;

7-mobile phone body; 10-LCD panel;

11-main LCD panel; 15-auxiliary LCD panel

20-backlight group; 21-LED lamp

23-light guide plate; 24-main optical eyeglass

25-auxiliary optical eyeglass; 26-main black and white glue

27-auxiliary black and white glue; 28-flexible printer circuit;

29-LED installs and uses flexible printer circuit; 30-model framework;

31-plastic frame body; The auxiliary auxiliary material of 33-reinforcement;

35-enhancing sidewall; 37-reflective side walls.

Description of drawings

See also shown in the accompanying drawing, the utility model will be further described.

The utility model is to be applicable to the large LCD module of using on the small LCD module that is installed in mobile phone or digital camera and TV and the display.Below explanation be applicable to comprise mobile phone, industrial individual carried terminal and general personal terminal and be made into small LCD module below 4 inches.

As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the utility model provides a kind of LCD LCD module 1, have and to do substantive portrait picture displayed display screen (not shown), in above-mentioned picture display screen, form the LCD panel 10 more than at least 1 of portrait; Be placed in the backlight assembly 20 of oriented at least more than one above-mentioned LCD panel 11,15 projection lights of above-mentioned LCD panel 11,15 rear sides; What support above-mentioned LCD panel 11,15 and above-mentioned backlight assembly 20 is the plastic frame body 31 of using the synthetic resin injection mo(u)lding; What combine with above-mentioned plastic frame body 31 one is the reinforcement auxiliary material model framework 30 that forms the metal material of loop shape, and integral structure improves the efficiency that assembling is produced.

Described reinforcement auxiliary material model framework 30 is the above-mentioned plastic frame body 31 that the reinforcement auxiliary material 33 of metal material embedded injection mo(u)lding, and the reinforcement auxiliary material 33 of above-mentioned metal material are combined with above-mentioned plastic frame body 31 one.

Described reinforcement auxiliary material model framework 30 is to be roughly dimetric annulation with the shape of above-mentioned plastic frame body 31 is corresponding, has L type section, helps improving transverse strength or bending strength.

Described reinforcement auxiliary material model framework 30 forms more than one at least L type section.

Described reinforcement auxiliary material model framework 30 has to combine with the upper wall of plastic frame body 31 to form and strengthens sidewall 35, and prolong warpage downwards and combine with the madial wall of above-mentioned plastic frame body from above-mentioned enhancing sidewall 35 and form reflective side walls 37, help by the more light of backlight assembly 20 transmission.

Described plastic frame body 31 is that polycarbonate PC makes, and above-mentioned reinforcement auxiliary material model framework 30 usefulness steel plates are made.

Described LCD panel 10 comprises main LCD panel 11, and backlight assembly 20 is placed in the reverse side of main LCD panel 11 and size than between the little auxiliary LCD panel 15 of main LCD panel 11.With mobile phone for exemplify the example explanation, the inside LCD panel that main LCD panel 11 is mobile phone accordingly, 15 of auxiliary LCD panels are outer handset LCD panels, each LCD panel has can do substantive portrait picture displayed display screen, and backlight assembly 20 main black and white glue 26, auxiliary black and white glue 27 behind plays a part to stop light to light leak except that the picture display screen.

Be placed in the rear side of each LCD panel 10, and comprise: radiative electroluminescent lamp 21 and make light be pooled to the light guide plate 23 of above-mentioned each LCD panel from electroluminescent lamp 21 to the backlight assembly 20 of main LCD panel 11 and auxiliary LCD panel 15 projection lights; Be placed in above-mentioned light guide plate 23 1 sides and transmit the main optical eyeglass 24 of the light that above-mentioned light guide plate 23 sends; Be placed in the opposite side of above-mentioned light guide plate 23, transmit the auxiliary optical eyeglass 25 of the light that above-mentioned light guide plate 23 sends; Be placed between above-mentioned main optical eyeglass 24 and the above-mentioned main LCD panel 11, shutting out the light the picture demonstration field on main LCD panel 11 can not be to the main black and white glue 26 with shaded effect of other local light leaks; Be placed between above-mentioned auxiliary optical eyeglass 25 and the above-mentioned auxiliary LCD panel 15, prevent that auxiliary LCD panel 15 pictures from showing part light leak outside the field, has the auxiliary black and white glue 27 of shaded effect; Comprise the flexible printed wiring board FPCB (Flexbile Printed CircuitBoard) 28 that drives large-scale integrated chip (Large ScaleIntegration).

Described lamp is a LED, and LED lamp 21 is mounted on the flexible printed wiring board 29.In addition, main optical eyeglass 24 and auxiliary optical eyeglass 25 are to possess functional adhesive tape-headprism sheet and the auxiliary prism sheet that compiles the LED light action.

As Fig. 5, Fig. 6 and shown in Figure 7, the reinforcement auxiliary material model framework 30 that plays skeleton function in backlight assembly 20 comprises to support the plastic frame body 31 with the synthetic resin injection mo(u)lding of LCD panel 10 and backlight assembly 20; The intensity of the metal material that combines with plastic frame body 31 along plastic frame body 31 whole external margins in order to strengthen plastic frame body 31 intensity is strengthened auxiliary material 33, and intensity is strengthened auxiliary material 33 usefulness steel plates and made in this example.Though usefulness is steel plate in this example, so long as more than the reflection light quantity of the plastic frame body 31 of synthetic resin, be suitable for embedding the injection moulding metal material, also can select other various materials for use.

Strengthening auxiliary material model framework 30 is after intensity is strengthened the auxiliary material embedding, with synthetic resin injection mo(u)lding plastic frame body 31.That is, after the intensity of definite shape strengthened auxiliary material 33 and be placed on injection mould, the injecting synthetic resin injection molded made intensity strengthen auxiliary material 33 and combines with plastic frame body 31 one, formation model framework 30.Synthetic resin is to use polycarbonate PC in this example.The intensity of making of steel plate on the plastic frame body 31 of injection molded is strengthened auxiliary material 33 to embed the injection moulding process combination, than the transverse strength or the bending strength that have only significantly improved model framework with the model framework of synthetic resin injection mo(u)lding, the portable terminal computer of the LCD module 1 that therefore in assembling process, drops, even its impact force action is under the situation of LCD module 1, the distortion of model framework 30 or crooked distortion will be strengthened auxiliary material 33 by intensity and stop, thereby the LCD panel 10 that supports of model framework 30 can not cause breakage because of distortion or flexural deformation.

When the intensity reinforcement auxiliary material 33 in the utility model apply bending or distortion power on plastic frame body 31, because the distortion of plastic frame body 31 or crooked 10 breakages that can cause the LCD panel, thereby will combine with plastic frame body 31 one with the shape that forms loop, just can prevent plastic frame body 31 distortions or crooked.Following detailed description:

1) intensity is strengthened auxiliary material 33 and will be formed the shape of loop, could stop the breakage that causes LCD panel 10 because of the distortion of plastic frame body 31 or flexural deformation because possess the shape of loop.

Intensity is in this example strengthened auxiliary material 33; In addition, in order to reach bigger distortion or bending strength, strengthen auxiliary material 33 and will form " L " angle of sections at least.Because influencing each other of the parts that adhere on the LCD module 1, even whole section can not form ' L ' type, for the definite part of wanting three limits in four limits at least will form ' L ' type section, the suitable in case of necessity definite part that cuts away after making with deep-draw (DEEP DRAWING) method;

2) intensity reinforcement auxiliary material 33 are not the form combinations in plastic frame body 31 outer most surrounding, and will combine with plastic frame body 31 one.If in the form combination of the outer most surrounding of plastic frame body 31, stay certain assembling tolerance, the tolerance of this moment can be strengthened producing the slit between the auxiliary material 33 in plastic frame body 31 and intensity, therefore the mobile phone that assembles LCD module 1 is when impacting for owing to reason such as drop 1 moment of LCD module, the distortion separately of plastic frame body 31 and intensity reinforcement material 33, thereby intensity reinforcement auxiliary material 33 in fact are to stop distortion or the flexural deformation that causes 10 breakages of LCD panel or plastic frame body 31, so in this example, embedment strength is strengthened auxiliary material 33 injection mo(u)lding plastic frame body 31, make intensity strengthen auxiliary material 33 and combine with plastic frame body (31) one, so combination has the advantage that improves the efficiency of producing and make things convenient for 1 assembling of LCD module.

In addition, the intensity that combines with plastic frame body 31 along plastic frame body 31 whole edges reinforcement auxiliary material 33 are in this example stated in front in the situation that forms ' L ' type section substantially.It is to have the enhancing sidewall 35 that combines with plastic frame body 31 upper walls that intensity in this example is strengthened auxiliary material 33; The reflective side walls 37 that prolongs warpage downwards and combine from reinforced sidewall with the madial wall of plastic frame body 31.So, have the intensity of making and strengthen the reflective side walls 37 of auxiliary material 33 and the madial wall structure combining of plastic frame body 31 of steel plate, can prevent effectively and reduce more that the light that LED lamp 21 sends reflects the situation that runs off in light guide plate 23 sides in the back in reflective side walls 37, more can improve the transfer efficiency of light.If but do not need and originally compared the function that more can effectively prevent from the side loss light of light guide plate 23, as shown in Figure 8, in shown in the model framework of LCD module of another example of the present utility model, the reflective side walls 37 that intensity is strengthened auxiliary material 33 in the mode that is embedded in plastic frame body 31 in conjunction with being natural.

Formation according to said structure, the manufacturing process of following explanation LCD module 1 of the present utility model: after making the intensity reinforcement auxiliary material 33 of definite shape and being placed in injection mold, use synthetic resin, it is polycarbonate PC injection mo(u)lding model framework 30, then LCD panel 10 grades are assembled in the model framework 30, after finishing the assembling of LCD module 1, be contained on the portable terminal computer and use.

In use after this owing to user's reason such as the careless portable terminal computer that drops, even 1 moment of LCD module is applied bigger distortion power or bending force, because the method one combination that model framework 30 is the intensity of embedding metal material strengthens auxiliary material 33 injection mo(u)ldings, therefore causing the torsional deformation of LCD panel 10 breakages or flexural deformation to strengthen auxiliary material 33 by intensity is prevented from, prevent LCD panel 10 torsional deformations or flexural deformation, and finally prevented the breakage of LCD panel 10.

In above-mentioned example, embedment strength is strengthened auxiliary material 33 injection mo(u)lding plastic frame body 31, promptly the intensity of definite shape is strengthened using the synthetic resin injection mo(u)lding after auxiliary material 33 are placed in mould, make intensity strengthen the model framework 30 of auxiliary material 33 one combination on plastic frame body 31.If but can stop the distortion or the diastrophic words of the plastic frame body 31 that causes 10 breakages of LCD panel, can certainly adopt material such as binder that intensity is strengthened the method that auxiliary material 33 combine with plastic frame body 3 one, or after forming groove on the model framework on this groove by force embedment strength strengthen auxiliary material 33 and make its energy one combination.

In sum, according to the utility model, improved the intensity of model framework 30, the transverse strength or the bending strength of model framework 30 have been improved, make end products such as mobile phone that LCD module 1 is installed when reason such as drop applies impulsive force to LCD module 1, more can suppress the distortion or the flexural deformation of model framework 30, thus supply a model LCD panel 10 that framework 30 supported because of distortion or the crooked breakage that causes than original LCD module 1 that significantly reduces.

In addition, the injection mo(u)lding embedment strength is strengthened the plastic frame body 31 of auxiliary material 33, makes intensity strengthen auxiliary material 33 in plastic frame body 31 one combinations, can effectively assemble and produce.

In addition, at the enhancing sidewall 35 of the upper wall combination of plastic frame body 31 with from strengthening the reflective side walls 37 that combines with plastic frame body 31 madial walls that sidewall 35 prolongs bending downwards, be to strengthen auxiliary material 33 by the intensity of the bigger metal material of the plastic frame body 31 light reflection of making than synthetic resin to make, therefore compare with original LCD module, can prevent that more light runs off from the light guide plate side of backlight assembly 30, more can improve the transfer efficiency of light.

Claims (9)

1, a kind of LCD LCD module is characterized in that:

Have and to do substantive portrait picture displayed display screen, in above-mentioned picture display screen, form the LCD panel more than at least 1 of portrait; Be placed in the backlight assembly of oriented at least more than one the above-mentioned LCD panel projection light of above-mentioned LCD panel rear side; What support above-mentioned LCD panel and above-mentioned backlight assembly is the plastic frame body of using the synthetic resin injection mo(u)lding; What combine with above-mentioned plastic frame body one is the reinforcement auxiliary material model framework that forms the metal material of loop shape.

2, LCD LCD module according to claim 1 is characterized in that:

Described reinforcement auxiliary material model framework is the above-mentioned plastic frame body that the reinforcement auxiliary material of metal material is embedded injection mo(u)lding, and the reinforcement auxiliary material of above-mentioned metal material are combined with above-mentioned plastic frame body one.

3, LCD LCD module according to claim 1 is characterized in that:

Described reinforcement auxiliary material model framework is to be roughly dimetric annulation with the shape of above-mentioned plastic frame body is corresponding, has L type section.

4, LCD LCD module according to claim 3 is characterized in that:

Described reinforcement auxiliary material model framework forms more than one at least L type section.

5, according to any one LCD LCD module in the claim 1 to 3, it is characterized in that:

Described reinforcement auxiliary material model framework has to combine with the upper wall of plastic frame body to form and strengthens sidewall, and prolongs warpage downwards and combine with the madial wall of above-mentioned plastic frame body from above-mentioned enhancing sidewall and form reflective side walls.

6, LCD LCD module according to claim 5 is characterized in that:

Described plastic frame body is that polycarbonate PC makes, and above-mentioned reinforcement auxiliary material model framework is made of steel plate.

7, LCD LCD module according to claim 1 is characterized in that:

Described LCD panel comprises main LCD panel, backlight assembly be placed in main LCD panel reverse side and the size than between the little auxiliary LCD panel of main LCD panel.

8, LCD LCD module according to claim 7 is characterized in that:

Described backlight assembly comprises: radiative electroluminescent lamp and make light be pooled to the light guide plate of above-mentioned each LCD panel from electroluminescent lamp; Be placed in above-mentioned light guide plate one side and transmit the main optical eyeglass of the light that above-mentioned light guide plate sends; Be placed in the opposite side of above-mentioned light guide plate, transmit the auxiliary optical eyeglass of the light that above-mentioned light guide plate sends; Being placed between above-mentioned main optical eyeglass and the above-mentioned main LCD panel, is the main black and white glue with shaded effect; Being placed between above-mentioned auxiliary optical eyeglass and the above-mentioned auxiliary LCD panel, is the auxiliary black and white glue with shaded effect.

9, LCD LCD module according to claim 8 is characterized in that:

Described lamp is a LED.

Images