CN101630070B - Method for designing ultrathin highlight wide-viewing-angle face-change liquid crystal display module - Google Patents

The invention discloses a method for designing an ultrathin highlight wide-viewing-angle face-change liquid crystal display module. The liquid crystal display module mainly comprises a backlight film, a backlight plate, an upper iron frame, a lower iron frame, a reflecting film, a glued frame, a backlight FPC and the like. The installation of the liquid crystal display module is implemented by the following steps: firstly, mounting the backlight FPC component welded with an LED, gluing frame and then sleeving the glued frame with the lower iron frame; secondly, mounting the reflecting film, the backlight plate and the backlight film and sticking black and white light shielding tapes to form a closed backlight system; and finally, mounting an LCD to form an ultrathin highlight wide-viewing-angle face-change liquid crystal screen module without the upper iron frame and TP. The screen module can be used in designing of bar, slide and special mobile phones according to mobile phone products. A small size screen can be matched with a large size touch screen according to the actual touch screen need condition and used together with screen printing, sputtering coating and other processes or special backlight effect as well as mobile phone MMI design and ID style design. The thickness of the body screen (with iron frame, but without gum) is 2 millimeters, and the maximum thickness of the body screen (including 0.1 millimeter of gum) with TP is 3.35 millimeters and is 0.65 millimeters smaller than the 4.0 maximum thickness of the prior 2.4 welded standard screen. The FPC and elements are covered in the iron frame. The brightness of the screen with the TP is 350cd/m2 and the brightness of the screen without the TP is 430cd/m2. The screen module has the advantages of unique photoelectric property index, ESD/EMI/EMC properties, ultra thinness, excellent mechanical performance, simple structure, low cost, convenient use, high general utilization and excellent compatibility.

A kind of method for designing of ultrathin highlight wide-viewing-angle face-change liquid crystal display module

Technical field

The present invention relates to a kind of mobile phone display screen, particularly a kind of method for designing of ultrathin highlight wide-viewing-angle face-change liquid crystal display module.

Background technology

At present the liquid crystal display mode Block Brightness of prior art is not high, and " screen is an example: brightness band TP is 180cd/m2 only, is not with only 220cd/m2 of TP with 2.4; The ultrathin design of LCD MODULE can any sacrifice in performance.Can not guarantee that like anti-drop mechanical property the photoelectricity index is low from the LCM module, common view angle even narrow visual angle, unparalleled chase is ultra-thin/band TP is ultra-thin/band or not with the flexible design that goes up chase and TP, performances such as ESD/EMI/EMC are not more known where to begin.

The LCD MODULE design (flexible design) of not assuming a hostile attitude in the market, promptly mobile phone products designs straight plate, slip lid and special mobile phone etc., and the FPC " Face Changing " through the LCM screen just can directly use; There is not the FPC of flexible design to go out the adjustable connection length of Pin; There is not widespread adoption General design on the LCD MODULE method for designing, can be compatible like 2.4 the design screen with 2.6 common screen physical dimension and Pin definition; More on above basis, do not use the product of up-to-date ISP wide viewing angle technology etc.

Summary of the invention

To the technical deficiency of above existence, the object of the present invention is to provide a kind of design of ultrathin highlight wide-viewing-angle face-change liquid crystal display module.

The goal of the invention of the design's method realizes through following technical scheme:

A kind of method for designing of ultrathin highlight wide-viewing-angle face-change liquid crystal display module comprises: touch-screen, LCD, backlight film, backlight, last chase, following chase, reflectance coating, glue frame, main FPC, conducting resinl, housing, mainboard, LED, FPC backlight etc.

The described FPC assembly backlight that is welded with LED of packing into earlier that is provided with advances the glue frame, is sleeved on together with following chase again; Pack into reflectance coating and backlight and backlight film are sticked the back light system that black and white shading glue forms a sealing at last.

Secondly, the LCD that packs into is set, this has just formed not with going up the ultrathin highlight wide-viewing-angle face-change liquid crystal display module with TP of chase/not.

Once more; Setting is packed into and is gone up chase and formed not the ultrathin highlight wide-viewing-angle face-change liquid crystal display module with TP; The complete if desired chase/band TP product of being with; Assemble touch-screen TP and last chase, and then with installed chase/the ultrathin highlight wide-viewing-angle face-change liquid crystal display module groups with TP is not fitted together with going up, this has just formed with the ultrathin highlight wide-viewing-angle face-change liquid crystal display module product of going up chase/band TP.

Can be with or not be with touch-screen according to actual needs.Also can remove and go up chase minimizing thickness; The universal design of this LCM is under the global design prerequisite; If be not with the TP assembling time not adorn TP, LCM be independent completion not with the product of TP, the related variation of universal design need not increase parts newly; Only need reduce parts on the original basis and not assemble, universal design makes same LCM can satisfy different mobile phones product form needs.

With 2.4 " LCM screen be example, 2.4 " the ultrathin highlight wide-viewing-angle face-change liquid crystal display, can compatibility 2.6 by the design's method invention design " common screen; By that analogy; 2.2 " the ultrathin highlight wide-viewing-angle face-change liquid crystal display; can compatible 2.4 by the invention design of the design's method " common screen; And the like, by the range of size that can design the ultrathin highlight wide-viewing-angle face-change liquid crystal display by the design's method invention (by the existing market demand, have but be not limited only to) 1.8 " ~ 3.5 " the size screen.

Join large-sized TP (touch-screen) with undersized liquid crystal display, and cooperate the application of technology such as silk-screen/sputter or special effect backlight, be aided with mobile phone MMI design, the ID shape-designing, mobile phone products is used and is gone up the big and value to some extent of sensation screen; The large-sized TP of undersized screen design assembling strengthens visually to shield constant TP that screen exchanges cost advantage greatly for, satisfies the different mobile phones product demand; (with 2.4 screens is example to the screen of physical dimension/location dimension/bigger one-levels of compatible size such as Pin pin definition; Under the constant situation of cell phone mainboard, use the design 2.4 " screen and 2.6 " common screen, compatible design makes cost low; The mobile phone products form is abundanter, can select to use according to needs on the same mainboard.

Body screen (contain chase and do not have gum) has only 2MM, band TP thickness 3.35Max (containing gum 0.1), and than the thin 0.65mm of present 2.4 welding mark screen 4.0Max, FPC and device all wrap in the chase, make the mobile phone products combination property get a promotion and guarantee.

The applied mechanics principle has been done anti-drop unloading design, and the monolateral design that respectively increases by 1.4 ~ 1.6mm of LCM length and width exchanges the attenuate of thickness for.Applied mechanics principle, length and width increase are used for LCM unloading design.Be that mobile phone is met and to be fallen or when impacting; Power is not the glass that directly acts on LCM; But pass through (power bang path): last chase-glue frame-following chase-mainboard-mobile phone shell of eyeglass or mobile phone shell-buffering foam sponge-LCM; Through system design, make anti-drop design satisfy the universal design requirement fully, compatible design size meets fully.

Under the test prerequisite of single LED lamp constant current 15ma, band TP brightness＞350cd/m2 is not with TP brightness＞430cd/m2, and existing market 2.4 screen brightness band TP are 180cd/m2 only; Invent described 2.4 screens by the design's method and adopt one-sided 6 high bright LED lamps; Its mentality of designing, back light system thermal equilibrium, photoelectricity index Design, reliability design, Life Design all are exclusive innovative designs; And it is up to standard to have made sample test checking each item design objective, explains that the design's method invents successfully.

Answer ISP wide viewing angle technology, visual angle 80,80,80,80 can be because of the not homochromy change of angle, has under the prerequisite of design of other all requirements, uses the wide viewing angle technology, improves the expressive force of screen.

Figure of description

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the A-A amplification view of Fig. 1

Fig. 3 is suitable for the bar phone structural representation for the embodiment of the invention;

Fig. 4 is suitable for the slide-cover mobile phone structure synoptic diagram for real another embodiment of the present invention;

Fig. 5 is the structural representation of flexible design of the present invention;

Fig. 6 is the structural representation of flexible design of the present invention;

Fig. 7 is the structural representation of universal design of the present invention;

Fig. 8 is the structural representation of the compatible design of type of the present invention;

Fig. 9 is the structural representation of type ultrathin design of the present invention;

Figure 10 is the structural representation of the two chase designs of type of the present invention;

Figure 11 is the structural representation of the anti-drop design of type of the present invention;

Figure 12 is the synoptic diagram of high brightness project organization of the present invention.

Label declaration among the figure:

The last chase 2-of 1-touch-screen TP 3-LCD 4-backlight film 5-backlight and 3 layers of blooming

Chase 7-reflectance coating 8-glue frame 9-master FPC 10-conducting resinl under the 6-

11-housing 12-foam 13-mainboard 14-LED 15-FPC backlight

Embodiment

How further specify the invention of the design's method below in conjunction with accompanying drawing realizes:

Embodiment:

Once more, packing into 1 has formed not with the ultrathin highlight wide-viewing-angle face-change liquid crystal display module product of TP, the complete if desired chase/band TP product of being with, and assemble sequence is following:

Assemble 2 and 1, and then with installed chase/the ultrathin highlight wide-viewing-angle face-change liquid crystal display module groups with TP is not fitted together with going up, this has just formed with the ultrathin highlight wide-viewing-angle face-change liquid crystal display module product of going up chase/band TP.

The embodiment that method for designing of the present invention relates to decomposes explanation as follows in detail:

1, flexible design (like Fig. 1, Fig. 5)

The needs " Face Changing " that design straight plate and slip lid according to mobile phone products are directly general

A) when being used in bar phone, this LCM product designs last time, last 9 folding 45 degree of drawing of LCM, and it is vertical with 9 that it goes out the Pin end; Go out Pin to the LCM Width; And be pressed on 6 press strips, under the opening when guarantee using performance (burst can be fixed with gum, and folding required bending radius also is provided simultaneously);

B) be used in slide phone design when lasting when this LCM product, last 9 folding 180 degree of drawing of LCM are along the LCM length direction Pin (burst can be fixed with gum, also provides simultaneously to fold required bending radius) that keeps straight on out;

C) be used in when designing on the special mobile phone (PCB break plate) when this LCM product, 9 do not do any folding, along the LCM length direction Pin (like Fig. 1) that keeps straight on out.

D) outside FPC bending decision design, folding voluntarily in the time of also can providing the product described in the C to supply actual customer demand to satisfy more specific demand

2, flexible (like Fig. 6)

2, universal design (like Fig. 7)

Can be with/not be with 2 touch-screen TP according to actual needs.Also can remove 1 and reduce thickness, the universal design of this LCM is under the global design prerequisite, if just not do not adorn when not being with 2 assemblings; LCM is that independently universal design is under the global design prerequisite, if be not with for 2 whens assembling just not adorned, LCM be independent completion not with the product of touch-screen TP; The universal design of this LCM is under the global design prerequisite; Do not assemble 1 if need to reduce LCM thickness, LCM also is the product of independent completion, and the related variation of universal design need not increase zero/parts newly; Only need to reduce on the original basis zero/parts and do not assemble, universal design makes same LCM can satisfy different mobile phones product form needs (touching TP function/thickness).

3, compatible design (like Fig. 8)

Compatible 2.6 " screen design.Join large-sized 2 with undersized liquid crystal display; And be engaged in touch-screen TP and go up technologies such as silk-screen/sputter; Mobile phone products is used and is gone up sensation screen value greatly to some extent; But cost lower (2.6) size 2.4 costs, undersized screen design assembling is large-sized 2, strengthens visually to shield constant touch-screen TP that screen exchanges cost advantage greatly for.

Satisfy the different mobile phones product demand, physical dimension/location dimension/Pin pin definition etc. compatible 2.6 " the screen design, can under the constant situation of cell phone mainboard, use the design's screen and 2.6 screens; compatible design; make cost low, the mobile phone products form is abundant, can select use according to needs on the same mainboard.

5, ultrathin design (like Fig. 9)

The body screen comprises 1,6, is not with 10 to have only 2MM, is with 2 thickness 3.35Max (containing conducting resinl 0.1); Than the thin 0.65mm of present 2.4 welding mark screen 4.0Max; The ultrathin design that all devices and FPC do not expose (except burst and the welding position) has the ultrathin design under photoelectric properties/mechanical property prerequisite, ultrathin design; Make mobile phone products at the product form that has on all or part of function, the performance, have more competitive power.

6, two chase designs (like Figure 10)

FPC and device all wrap into 1,6, and the design ESD/EMI/EMC performance is better, make the mobile phone products combination property get a promotion and guarantee.

7, anti-drop design (like Figure 11)

The applied mechanics principle has been done anti-drop unloading design, and the monolateral design that respectively increases by 1.4 ~ 1.6mm of LCM length and width exchanges the attenuate of thickness for, the applied mechanics principle, and the length and width increase is used for LCM unloading design.Be that mobile phone is met and to be fallen or when impacting; Power is not the glass that directly acts on LCM; But pass through the power bang path: last chase-glue frame-following chase-mainboard 13-mobile phone shell of eyeglass or handset shell 11-buffering foam sponge 12-LCM; Through system design, make anti-drop design satisfy the universal design requirement fully, compatible design size meets fully.

8, high brightness design (like Figure 12)

Be with 2 brightness＞350cd/m2, be not with 2 brightness＞430cd/m2, existing market 2.4 screen brightness band TP are 180cd/m2 only, and described 2.4 screens adopt one-sided 6 high bright LED lamps, exclusive innovative design.

Application wide viewing angle technology, visual angle 80,80,80,80 can be because of the not homochromy change of angle, has under the prerequisite of design of other all requirements, improves the expressive force of screen.