CN204302627U - Slim down straight aphototropism mode set - Google Patents

Abstract

The utility model provides a kind of slim down straight aphototropism mode set, this slim down straight aphototropism mode set comprises light guide plate, multiple light source module and multiple bendable lead piece, light guide plate comprises multiple protuberance and tapered recess, protuberance and tapered recess lay respectively at the two relative surfaces of light guide plate, each protuberance has a distal end faces, distal end faces is alignd with tapered recess respectively, and distal end faces has incidence surface.These light source modules respectively one from another entity are separated, and each light source module comprises light emitting diode element, and light emitting diode element is positioned at a wherein distal end faces, and abut a wherein incidence surface.Each bendable lead piece is electrically conducted any two adjacent light source modules.The each light emitting diode element of the utility model is able to independent alignment tapered recess one by one, the error that can not exist to each other because of light emitting diode element and corresponding tapered recess cannot be aimed at accurately, so improve light guide plate exiting surface uniform luminance and avoid area source bright secretly irregular.

Description

Slim down straight aphototropism mode set

Technical field

The utility model relates to a kind of backlight module, particularly the slim down straight aphototropism mode set of one.

Background technology

Backlight module (Back light module) is one of key part and component of display pannel (LCD panel), because liquid crystal itself is not luminous, the function of backlight module is well-off brightness and the light source be evenly distributed, can normal show image.Generally speaking, backlight module can be divided into two kinds of structures:

(1) side-light type (Edge lighting) structure: light emitting source is the light source of pendulum at side, light guide plate is adopted ejection formation and is designed without printing-type, generally be usually used in the backlight module of less than 18 cun small-medium sizes, the light source design of its side incidence, having the feature of light weight, slim, narrow frame, low power consumption, is also the light source of mobile phone, palm PC (PDA), notebook computer; Also there is large scale backlight module to adopt side-light type structure at present, coordinate without printing-type design or the design of site ink printing with extrusion molding, be applied to the TV screen that unit price is higher.

(2) full run-down type (Bottom lighting) structure: the backlight module of oversize, side-light type structure comparatively cannot take advantage in weight, consumption electric power, brightness and price, therefore not containing light guide plate and light source be placed on immediately below full run-down type structure just developed Come.Light source is by spontaneous light source (such as fluorescent tube, light-emittingdiode etc.) penetrate by after baffle reflection, upwards penetrate in front after diffuser plate is dispersed, because accommodation space becomes large, fluorescent tube can according to TFT panel size use 2 fluorescent tube at the most, but too increase the thickness of module simultaneously, its advantage is high briliancy, good bright dipping visual angle, light utilization ratio is high, simple structure etc., thus be applicable to portability and the more not fastidious LCD monitor (display) of space requirement and LCD TV, its high consumption electric power (use cold-cathode tube), the problems such as homogeneity is not good and cause that LCD generates heat still need to improve.

Therefore, the international well-known large factory of Bian You, attempts above-mentioned two kinds of structures to be integrated, respectively gets its advantage and get rid of its defect in the industry, mainly gets the advantage that the advantage of side-light type slimming and straight-down negative materials are saved, and has such as following various countries patent: US 7101069, US 2004/0012971, US 2003/0086255, US 2002/0113924, US 2002/0044437, US 6747404, US 6734926, US 6700554, US 6561663, US RE36961, US 5567042, US 5138528, US 4826294, US7207709, US 4641226, US 5993027, US 6144360, US 6417832, US 6789923, US 6871979, US 6883950, US 7251412, US 2004/0130879, US 2004/0021918, US 6785433, US 6426812, US 6384883, US 6333773, US 6075579, US 5943166, US 5841596, US 5799124, US 5748828, US 5602950, US 2007/051960, US2007/086179, US 2004/0062034, CN 102644883, CN 201983118, TW I322304, TW I342628, TW I363219, TW M345352, TW M377609, TW M447505, TW 201213969, US 7780306, JP 8136917, JP 2001006416, JP 2001351424, JP 2003008068, JP 2004133391, US 6036328, US 6607286, US 7341358, US 7413318, US2002/0163808, US 2005/0185391, US 2006/0114690, US7828456, US 7946746, US 8002428, US 8021033, US 8042968, US 8070345, US 8177386, US 8393776, US 2011/0205750, US2011/0317417, US 8382337, US 6679621, US 7414270, US 2006/0138437, US 2006/0208269, US2006/0291205, US 2008/0030986, US 2008/0151551, US 2008/0303757, US2009/0225550, CN 101046576, CN 101206280, US 7246931, TW I317829, US 6536923, US 6547423, US 6612720, US 6974241, US 6981784, US 7135034, US 7159997, US 2004/0218388, US 2005/0002205, US 2005/0270774, US2005/0286251, US 2006/0087866, US 7341358, US 8007156, US 8033690, US 8215814, US 8240865, US 2011/0032450, US 2012/0069575, TW201215936, US 5921651, US 7334933, US 6193383, US 6530671, US 6951415, US 2004/0114343, US 8393748, US 2010/0103650, US 2011/0317417, WO2012042436, WO 2012073156, US 7585083, US 5841596, US 6199989, US6647199, US 6679621, US 6974229, US 7006306, US 7063450, US 7142769, US 7168841, US 7220041, US 7287891, US 7320531, US 7322721, US 7334933, US 2002/0057561, US 2004/0042194, US 2005/0007793, US 2007/0030414, US 2007/0171678, US 2009/0034264, CN 02131652.X, US 7731400, US8070336, US 8104910, US 8157410, US 8297786, US 8308326, US 8382337, US 2010/0220484, TW I364565, TW I276890.

Even if but on record just like many patents, it at present still cannot volume production, and long-standing technology old stuff must be had to hinder.As can be seen here, still there is inconvenience and defect in above-mentioned backlight module, and needs to be improved further.Therefore, how can effectively solve above-mentioned inconvenience and defect, one of current important research and development problem of real genus, also becomes the target that current association area needs improvement badly.

Utility model content

The technical problems to be solved in the utility model is the defects such as the consumption electric power in order to overcome the traditional backlight module existence of prior art is high, homogeneity is not good, provides a kind of slim down straight aphototropism mode set.

The utility model solves above-mentioned technical matters by following technical proposals:

A kind of slim down straight aphototropism mode set, its feature is, comprises:

One light guide plate, comprises:

One printing opacity plate body, comprises an end face and a bottom surface of relative configuration;

Multiple protuberance, is positioned at the bottom surface of this printing opacity plate body, and each those protuberance has a distal end faces, and this distal end faces has an incidence surface; And

Multiple tapered recess, is positioned at this end face of this printing opacity plate body, those distal end faces of aliging respectively;

Multiple light source module, one from another entity is separated respectively, and each those light source module comprises:

One distributing board, is positioned at one of them of those distal end faces; And

One light emitting diode element, be located in the one side of this distributing board, and abut those incidence surfaces

One of them; And

Multiple bendable lead piece, each those bendable lead piece is electrically conducted wantonly two adjacent those distributing boards.

Preferably, each those tapered recess comprises most advanced and sophisticated bottom and a convex surface inwall, and this convex surface inwall is connected between this bottom, tip and this end face of this printing opacity plate body, and around this bottom, tip;

The bottom, this tip of each those tapered recess is to one of them through those light emitting diode elements of the orthogonal projection of one of this distributing board that it aligns.

Preferably, each those distal end faces has more a groove, and this incidence surface is positioned at this groove, and this light emitting diode element of each those light source module stretches in this groove.

Preferably, this slim down straight aphototropism mode set also comprises:

One reflecting sheet material, be stacked at this bottom surface of this printing opacity plate body, this reflecting sheet material comprises multiple impenetrating mouth, and wherein those protuberances are respectively one to one through those impenetrating mouths; And

Each those light source module more comprises:

One reflection layer, is positioned on this face of this distributing board of this light source module, and around this light emitting diode element of this light source module, wherein this reflection layer is at an orthogonal projection this reflecting sheet material overlapping at least partly of this printing opacity plate body.

Preferably, each those distributing board detachably to be positioned in those distal end faces one of them.

Preferably, each those distributing board has at least one first bit cell, and each those protuberance comprises at least one second bit cell, and this second bit cell is removably in conjunction with this first bit cell.

Preferably, the first bit cell is one first projection, and the second bit cell is a groove, and groove is positioned at one of them of those distal end faces, to accept the first projection.

Preferably, this first bit cell is a chase, the curved shape of this chase, and the width of this chase reduces towards the direction of another end gradually from an end of this chase, this second bit cell is one second projection, and this second projection is positioned at one of them of those distal end faces;

When this second projection to stretch in this chase and to revolve this another end moving to this chase, this second tongue is fixed on this another end of this chase.

On the basis meeting this area general knowledge, above-mentioned each optimum condition, can combination in any, obtains each preferred embodiments of the utility model.

Positive progressive effect of the present utility model is:

The each light emitting diode element of the utility model is able to independent alignment tapered recess one by one, the error that can not exist to each other because of light emitting diode element and corresponding tapered recess cannot be aimed at accurately, so improve light guide plate exiting surface uniform luminance and solve the bright secretly irregular problem of area source.

Accompanying drawing explanation

Fig. 1 is the upper TV structure schematic diagram of the slim down straight aphototropism mode set of the utility model one embodiment;

Fig. 2 is the 2-2 cross-sectional view of Fig. 1;

Fig. 3 is the exploded view of Fig. 2;

Fig. 4 is the part section structural representation of the slim down straight aphototropism mode set of another embodiment of the utility model, and profile position is identical with Fig. 2;

The schematic diagram of the making apparatus that the method for making that Fig. 5 A is slim down straight aphototropism mode set of the present utility model uses;

Fig. 5 B is the detailed maps of the region M of Fig. 5 A;

Fig. 6 is the process flow diagram of the method for making of the slim down straight aphototropism mode set of the utility model one embodiment.

Description of reference numerals:

10: slim down straight aphototropism mode set

100: light guide plate

110: printing opacity plate body

111: end face

112: bottom surface

120: protuberance

121: distal end faces

122: depressed part

123: incidence surface

124: the second bit cell

124r: groove

124p: the second projection

130: tapered recess

131: most advanced and sophisticated bottom

132: convex surface inwall

200: reflecting sheet material

210: impenetrating mouth

300,301: light source module

310: light emitting diode element

311: light-emitting area

320: distributing board

321: reflection layer

322: the first bit cell

322p: the first projection

323: ring-type enclosure wall

324: chase

324e1: the first end

324e2: the second end

400: bendable lead piece

500: making apparatus

600: pair of rollers roller hot extrusion facility

601 ~ 605: step

610: feed chamber

620: heating spiral rod

630: pressurization die head

631: glue discharging mouth

640: the first shaping rolling wheels

650: the second shaping rolling wheels

660: wheel is drawn in holder

700: optical design makes facility

710: the first tracked machines

711: the first crawler belts

712: plastotype cope match-plate pattern

720: the second tracked machines

721: the second crawler belts

722: plastotype lower bolster

D1 ~ d3: width

M: region

Pl: plastic particles

Pt: plastic cement molding

Pj1, pj2: orthogonal projection

Embodiment

Lift preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the utility model to be described.

Below will with graphic exposure a plurality of embodiment of the present utility model, as clearly stated, the details in many practices will be explained in the following description.But should be appreciated that, the details in these practices is not applied to limit the utility model.That is, in the utility model some embodiments, the details in these practices is non-essential.In addition, for the purpose of simplicity of illustration, some usual structures and assembly illustrate in the mode simply illustrated in the drawings.

Study through this case utility model people, when edge-type light guide plate and directly-down light source framework are integrated, new (straight-down negative) backlight module can comprise an even tabula rasa (material belongs to light guide plate but not diffuser plate, but with general light guide plate difference to some extent) and multiple striation.Even tabula rasa comprises the bright dipping side and a light incident sides that are oppositely arranged.Bright dipping side is arranged with multiple exhibition photo structure.Striation is arranged in the light incident sides of even tabula rasa respectively, and each striation is spaced multiple light-emittingdiode.Light-emittingdiode is one_to_one corresponding exhibition photo structure respectively, after making the light of light-emittingdiode enter even tabula rasa, is subject to the equal light action opening up photo structure, and then provides uniform area source in the bright dipping side of even tabula rasa.But, this framework is in actual fabrication, material due to light guide plate is roughly plastic cement (such as resin or PP, PMMA), do not considering under humidity parameter, plastic cement may produce the breathing do not expected because of water suction, above-mentioned exhibition photo structure spacing is between any two differed, so, when light-emittingdiode is arranged at the correspondence position of the incident side of even tabula rasa, due to light-emittingdiode that each striation arranges each other apart from and light emission side on these exhibition photo structures of arranging each other apart from still there is error, the light-emittingdiode that each striation arranges cannot aim at corresponding exhibition photo structure accurately, the edge of each exhibition photo structure of the light emission side of even tabula rasa is made to produce the irregular even phenomenon of light, be commonly called as optics taste bad.

Fig. 1 is the top view of the slim down straight aphototropism mode set 10 according to the utility model one embodiment.Fig. 2 is the 2-2 sectional view of Fig. 1.Fig. 3 is the exploded view of Fig. 2.Consult shown in Fig. 1 to Fig. 3 simultaneously, according to an embodiment of the present utility model, this kind of slim down straight aphototropism mode set 10 comprises a light guide plate 100, multiple light source module 300 and multiple bendable lead piece 400 (such as bendable winding displacement or flexible circuit board).Light guide plate 100 comprises a printing opacity plate body 110, multiple protuberance 120 and multiple tapered recess 130.Printing opacity plate body 110 comprises end face 111 and a bottom surface 112 of relative configuration.These protuberances 120 are spaced the bottom surface 112 in printing opacity plate body 110, and each protuberance 120 has a distal end faces 121, this distal end faces 121 have an incidence surface 123.These tapered recess 130 are spaced at the end face 111 of printing opacity plate body 110, and these distal end faces 121 of aliging respectively, make the end face 111 of printing opacity plate body 110 be considered as an exiting surface.

These light source modules 300 respectively one from another entity are separated, and each light source module 300 comprises distributing board 320 and a light emitting diode element 310.Distributing board 320 is positioned in the distal end faces 121 of a wherein protuberance 120.Distributing board 320 does not limit rigid printed circuit board (PCB), flexible circuit board or bendable metal-core printed circuit board.One end of light emitting diode element 310 is fixedly arranged in the one side of distributing board 320, be electrically connected distributing board 320, and the other end of light emitting diode element 310 is close, even abuts a wherein incidence surface 123.The distributing board 320 of each light source module 300 has single light emitting diode element 310.Each bendable lead piece 400 is electrically conducted any two adjacent distributing boards 320, and bendable lead piece 400 makes these light emitting diode elements 310 of these light source modules 300 be electrically connected to each other.In other words, the light emitting diode element 310 of each light source module 300 by clamping between distributing board 320 and the incidence surface 123 of distal end faces 121, the wherein incidence surface 123 of the smooth distal end faces 121 of the light-emitting area 311 of light emitting diode element 310 one end.The pin position (not shown) of light emitting diode element 310 another end is electrically connected at the surface of distributing board 320.

These light emitting diode elements 310 separated due to one from another entity can be configured in corresponding protuberance 120 independently of one another, so that these light emitting diode elements 310 are able to aim at accurately respectively corresponding tapered recess 130, so improve light guide plate 100 exiting surface uniform luminance and solve the bright secretly irregular problem of area source.In addition, the tolerance still existed after these distributing boards 320 that one from another entity is separated absorb these distributing board 320 assembling contrapositions by the flexible characteristic of bendable lead piece 400 tool.

More specifically, each protuberance 120 protrudes from the bottom surface 112 of printing opacity plate body 110, this means, the distal end faces 121 of each protuberance 120 and the bottom surface 112 of printing opacity plate body 110 not coplanar, and above the bottom surface 112 of printing opacity plate body 110.Each tapered recess 130 comprises most advanced and sophisticated bottom 131 and a convex surface inwall 132.Convex surface inwall 132 connects the end face 111 of most advanced and sophisticated bottom 131 and printing opacity plate body 110, between most advanced and sophisticated bottom 131 and the end face 111 of printing opacity plate body 110, and around most advanced and sophisticated bottom 131, even intactly around bottom, tip 131.The most advanced and sophisticated bottom 131 of each tapered recess 130 is to the light-emitting area 311 of an orthogonal projection pj1 of the distributing board 320 that it aligns through its light emitting diode element 310.In other words, the section of convex surface inwall 132 is two camber lines, these two camber lines respectively by tapered recess 130 2 opposite side printing opacity plate body 110 and bottom surface 112 symmetrically and curved arc to downward-extension, finally intersect each other the bottom 131 and the common end pointing to light emitting diode element 310 tapers off to a point.The curve of each camber line for being made up of the lines of a plurality of Different Slope.

In the present embodiment, each tapered recess 130 is such as conical, if when overlooking the bottom surface 112 of printing opacity plate body 110, tapered recess 130 presents circular open 112, the bottom surface of printing opacity plate body 110, and the central point in tapered recess 130 is most advanced and sophisticated bottom 131.But the utility model is not limited thereto, in other embodiments, tapered recess also can be square taper.

In the present embodiment, each protuberance 120 is (general reference right cylinder, square body, truncated cones or frustum) in cylinder, therefore, the rounded or polygon of distal end faces 121.Distal end faces 121 is more arranged with a depressed part 122.Incidence surface 123 is positioned at depressed part 122, and the light emitting diode element 310 of each light source module 300 stretches in the depressed part 122 of its correspondence, and luminous towards incidence surface 123.In the present embodiment, incidence surface 123 is positioned at bottom depressed part 122, namely bottom the smooth depressed part 122 of the light-emitting area 311 of light emitting diode element 310.But the utility model is not limited thereto, in other embodiments, protuberance also can not have depressed part, allows the direct smooth distal end faces of light emitting diode element.

So, when light therethrough incidence surface 123 emission of light of light emitting diode element 310 enters printing opacity plate body 110, and when arriving at the convex surface inwall 132 of each tapered recess 130 respectively, these light can produce total reflection on each convex surface inwall 132, these light can be dispersed with path length, final optical microstructures (pattern, figure do not show) on the end face 111 (i.e. exiting surface) of printing opacity plate body 110 guides, and uses and becomes even exiting surface.

In the present embodiment, slim down straight aphototropism mode set 10 more comprises a reflecting sheet material 200.Reflecting sheet material 200 comprises multiple impenetrating mouth 210, impenetrating mouth 210 compartment of terrain is formed on reflecting sheet material 200, these protuberances 120 so above-mentioned are distinguished one to one through these impenetrating mouths 210, allow reflecting sheet material 200 be directly stacked on the bottom surface 112 of printing opacity plate body 110.So, reflecting sheet material 200 changes the direct of travel of the light in printing opacity plate body 110, so that light is able to leave printing opacity plate body 110 from the end face 111 (i.e. exiting surface) of printing opacity plate body 110.In the present embodiment, reflecting sheet material 200 is such as the lamellar body of tool resin polish lacquer or metal coating.But the utility model is not limited thereto, in other embodiments, reflecting sheet material also can be the sheet metal of tool light-reflecting property.

In addition, in order to more effectively utilize the light of light emitting diode element 310, each light source module 300 more comprises a reflection layer 321.Reflection layer 321 is sticked and is also provided with that face of light emitting diode element 310 at the distributing board 320 of light source module 300, and around this light emitting diode element 310.At least part of overlapping reflecting sheet material 200 of an orthogonal projection pj2 that reflection layer 321 projects towards printing opacity plate body 110.Due to the position of reflection layer 321 and the position of reflecting sheet material 200 overlapping at least partly, make the light in printing opacity plate body 110 all can be reflexed to the end face 111 (i.e. exiting surface) of printing opacity plate body 110 by reflecting sheet material 200 and reflection layer 321.But in the present embodiment, reflection layer is such as reflective material.But the utility model is not limited thereto.

In order to allow assembler all can rapidly by each light source module 300 to being positioned on corresponding protuberance 120, each light source module 300 can pass through mark and is removably mounted in the distal end faces 121 of corresponding protuberance 120, can be alignd the light-emitting area 311 of these light emitting diode elements 310 exactly respectively in the most advanced and sophisticated bottom 131 of each tapered recess 130, the central point of the light-emitting area 311 of these light emitting diode elements 310 that even align.

In the present embodiment, each distributing board 320 has at least one first bit cell 322, and each protuberance 120 comprises at least one second bit cell 124.Second bit cell 124 is removably in conjunction with the first bit cell 322.So, through the combination of the first bit cell 322 and the second bit cell 124, the distributing board 320 of each light source module 300 is able to removably to being positioned in the distal end faces 121 of corresponding protuberance 120.

As long as the first bit cell 322 and the second bit cell 124 can contraposition and combinations each other, the utility model does not limit external form and the combination of the first bit cell 322 and the second bit cell 124.For example, the first bit cell 322 is the first projection 322p, such as, be previously formed in distributing board 320 on the surface.Second bit cell 124 is groove 124r, groove 124r is formed at distal end faces 121 surface of protuberance 120, external form and the size of the external form of groove 124r and size and the first projection 322p match each other, mutual chimeric through the first projection 322p and groove 124r, with person convenient for assembly smoothly by light source module 300 to being positioned on corresponding protuberance 120.But the utility model is not limited thereto, in other embodiments, the first bit cell and the second bit cell are also interchangeable is groove and projection.

So, as long as the distributing board 320 of arbitrary light source module 300 is embedded in groove 124r through the first projection 322p, the light-emitting area 311 of the light emitting diode element 310 on this distributing board 320 just can be alignd by the most advanced and sophisticated bottom 131 of the tapered recess 130 of correspondence exactly.

Fig. 4 is the part sectioned view of the slim down straight aphototropism mode set 10 of another embodiment of the utility model, and profile position is identical with Fig. 2.As shown in Figure 4, present embodiment is roughly the same with the backlight module of above-mentioned embodiment, and one of its difference is, the first bit cell 322 is chase 324, and chase 324 is formed on the ring-type enclosure wall 323 on distributing board 320.In present embodiment, ring-type enclosure wall 323 utilizes the dispensing technologies such as point gum machine, and that face being provided with light emitting diode element 310 in the mode of a gum forming at distributing board 320 is formed can around the enclosure wall of light emitting diode element 310.The curved shape of chase 324 (as C shape), and there is the first relative end 324e1 and the second end 324e2.The width of chase 324 is non-uniform, and the wide variety of chase 324 reduces towards the direction of the second end 324e2 gradually from the first end 324e1 of chase 324.Second bit cell 124 is the second projection 124p.Second projection 124p is formed in the distal end faces 121 of protuberance 120, and protrudes from distal end faces 121.

So, when each light source module 301 distributing board 320 in contraposition to the distal end faces 121 of protuberance 120 time, the second projection 124p (the second projection 124p with reference to dotted line) can be allowed to stretch in chase 324, and wait to revolve and move distributing board 320, time the second end 324e2 (the second projection 124p with reference to solid line) that second projection 124p of interlock revolved move to chase 324, width d3 due to the second projection 124p is greater than the width d2 of the second end 324e2 of chase 324, and the second projection 124p is subject to clamping in the second end 324e2 of chase 324.Otherwise, when revolving the distributing board 320 moving this light source module 301, when making the second projection 124p of interlock revolve the first end 324e1 moving to chase 324, the width d3 due to the second projection 124p is less than the width d1 of the first end 324e1 of chase 324, and the second projection 124p departs from the clamping of chase 324.

The schematic diagram of the making apparatus that the method for making that Fig. 5 A is slim down straight aphototropism mode set of the present utility model uses; Fig. 5 B is the detailed maps of the region M of Fig. 5 A.As shown in Fig. 5 A ~ Fig. 5 B, above-mentioned making apparatus 500 comprises pair of rollers roller hot extrusion facility 600 and an optical design makes facility 700.Pair of rollers roller hot extrusion facility 600 are positioned at the front end of above-mentioned method for making.More specifically, pair of rollers roller hot extrusion facility 600 comprise feed chamber 610, heating spiral rod 620, pressurization die head 630, mutually 2 first shaping rolling wheels 650 of shaping rolling wheel 640,1 second side by side and mutually two holders side by side draw wheel 660.Plastic particles pl is placed with in feed chamber 610.Heating spiral rod 620 connects feed chamber 610 and pressurization die head 630.The glue discharging mouth 631 of this 2 first shaping rolling wheel 640 contiguous pressurization die head 630, in order to control the thickness of printing opacity plate body 110.Second shaping rolling wheel 650 and the first shaping rolling wheel 640 arranged in parallel, in order to guide the moving direction of printing opacity plate body 110.

Furthermore, the material of plastic particles such as can be respectively polypropylene (Polypropylene, PP), acrylonitrile-butadiene-styrene copolymer (ABS resin, Acrylonitrile Butadiene Styrene, ABC), polyethylene terephthalate (polyethylene Terephthalate, PET), polystyrene (polystyrene, PS), polycarbonate (polycarbonate, PC), pi (Polyimide) or polymethylmethacrylate (Poly (methyl methacrylate), PMMA) or its combination.

As shown in Figure 5 B, in the present embodiment, optical design maker is positioned at the rear end of above-mentioned method for making, and optical design makes facility 700 and comprises at least one first tracked machine 710 and the second tracked machine 720.First tracked machine 710 has the first crawler belt 711 of a rotation capable of circulation and multiple plastotype cope match-plate pattern 712.When first crawler belt 711 rotates toward the clockwise direction, these plastotype cope match-plate patterns 712 are also sequentially driven toward the clockwise direction.These plastotype cope match-plate patterns 712 are equidistantly fixed on the first crawler belt 711.Second tracked machine 720 has the second crawler belt 721 of a rotation capable of circulation and multiple plastotype lower bolster 722.These plastotype lower bolsters 722 are equidistantly fixed on the second crawler belt 721.When second crawler belt 721 counterclockwise rotates, these plastotype lower bolsters 722 are also counterclockwise sequentially driven.

Fig. 6 is the process flow diagram of the method for making of the thin straight backlight module of the utility model one embodiment.As shown in Fig. 5 A, Fig. 5 B and Fig. 6, the method for making of present embodiment is generally as shown in step 601 ~ 605.In step 601, on pair of rollers roller (roll to roll) hot extrusion facility 600, extract molding mode out with the extruding of heat material, form above-mentioned printing opacity plate body 110 by after many plastic particles pl melting, and the bottom surface 112 defining above-mentioned printing opacity plate body 110 upward; In step 602, respectively with crawler belt facility 710,720 by plastotype cope match-plate pattern 712 and plastotype lower bolster 722, the printing opacity plate body 110 that synchronous pressing is above-mentioned, and then form protuberance 120 and tapered recess 130 in the bottom surface 112 of above-mentioned printing opacity plate body 110 respectively with end face 111, wherein plastotype cope match-plate pattern 712 is in order to the bottom surface 112 upward of protuberance 120 at printing opacity plate body 110 that be shaped, and plastotype lower bolster is in order to the end face 111 down of tapered recess 130 at printing opacity plate body 110 that be shaped; In step 603, establish folded for above-mentioned reflecting sheet material 200 (see Fig. 3) to printing opacity plate body 110 bottom surface 112 upward, and the impenetrating mouth 210 of reflecting sheet material 200 passes for protuberance 120 respectively; In step 604, place the distal end faces 121 of above-mentioned light source module 300 (see Fig. 3) to these protuberances 120 of multiple one from another entity separation respectively, thus most advanced and sophisticated bottom 131 (see the Fig. 3) now in tapered recess 130 can aim at corresponding light emitting diode element 310 just; And in step 605, utilize above-mentioned bendable lead piece 400 to be electrically conducted two adjacent light source modules 300, and then absorb the tolerance of assembling contraposition.

So, no matter the water sucting degree of the plastic cement material of light guide plate why, when causing the spacing between tapered recess different, light emitting diode element due to light source module is individually configured in corresponding protuberance independently, these light emitting diode elements by independently of one another and aim at corresponding tapered recess accurately, and then avoid the rising of manpower and maintenance cost.

In the step 601 of present embodiment, as shown in Figure 5A, more specifically, when heating spiral rod 620 couples of plastic particles pl heat, and after plastic particles pl being guided to pressurization die head 630, plastic particles pl after fusing outputs to the external world, with ejection formation continuous print plastic cement molding pt continuously via the glue discharging mouth 631 of pressurization die head 630.Plastic cement molding pt is by between this 2 first shaping rolling wheel 640, make this 2 first shaping rolling wheel 640 1 aspect that plastic cement molding pt is pressed into above-mentioned printing opacity plate body 110, guide this printing opacity plate body 110 to advance towards the direction of the second shaping rolling wheel 650 on the other hand.Holder simultaneously draws wheel 660 in order to provide the pulling force towing printing opacity plate body 110, to accelerate the speed that printing opacity plate body 110 is transferred.

In the step 602 of present embodiment, as shown in Fig. 5 A and Fig. 5 B, more specifically, after this printing opacity plate body 110 draws wheel 660 by the second shaping rolling wheel 650 or holder, through the common compacting with plastotype cope match-plate pattern 712 of a wherein plastotype lower bolster 722, the bottom surface 112 of printing opacity plate body 110 and the correspondence position of end face 111 form the protuberance 120 and tapered recess 130 that mutually align simultaneously.

In the step 603 of present embodiment, as shown in Figure 3, more specifically, assembler establishes folded for reflecting sheet material 200 to printing opacity plate body 110 bottom surface 112 upward, makes the protuberance 120 of printing opacity plate body 110 all one by one through the impenetrating mouth 210 of reflecting sheet material 200.Because impenetrating mouth 210 size is much larger than protuberance 120, no matter why, when causing the spacing between protuberance 120 different, impenetrating mouth 210 is still enough to hold protuberance 120 water sucting degree of the plastic cement material of light guide plate.

In the step 604 of present embodiment, as shown in Figure 3, due to assembler, by the single light emitting diode element 310 of each light source module 300, the most advanced and sophisticated bottom 131 aimed at one by one respectively in tapered recess 130 has overcome the problem cannot aiming at corresponding tapered recess because of the error that exists to each other of light emitting diode element accurately.So, more specifically, in the step 604 of present embodiment, above first bit cell 322 and the second bit cell 124 can the characteristics of contraposition mutually, and each above-mentioned light source module 300 can be mounted to the distal end faces 121 of these protuberances 120 by assembler rapidly.In addition, in order to allow assembler rapidly each above-mentioned light source module 300 can be installed to the large distal end faces of these protuberances 120 121, in step 602, plastotype cope match-plate pattern 712, can be formed directly in above-mentioned second bit cell 124 on protuberance 120.

Although the foregoing describe embodiment of the present utility model, it will be understood by those of skill in the art that this only illustrates, protection domain of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection domain of the present utility model.

Claims (8)

1. a slim down straight aphototropism mode set, is characterized in that, comprises:

One light guide plate, comprises:

One printing opacity plate body, comprises an end face and a bottom surface of relative configuration;

Multiple protuberance, is positioned at the bottom surface of this printing opacity plate body, and each those protuberance has an end

End face, this distal end faces has an incidence surface; And

Multiple tapered recess, is positioned at the end face of this printing opacity plate body, those distal end faces of aliging respectively;

Multiple light source module, one from another entity is separated respectively, and each those light source module comprises:

One distributing board, is positioned at one of them of those distal end faces; And

One light emitting diode element, be located in the one side of this distributing board, and abut those incidence surfaces

One of them; And

Multiple bendable lead piece, each those bendable lead piece is electrically conducted any two adjacent those distributing boards.

2. slim down straight aphototropism mode set as claimed in claim 1, it is characterized in that, each those tapered recess comprises most advanced and sophisticated bottom and a convex surface inwall, and this convex surface inwall is connected between this bottom, tip and this end face of this printing opacity plate body, and around this bottom, tip;

The bottom, this tip of each those tapered recess is to one of them through those light emitting diode elements of the orthogonal projection of one of this distributing board that it aligns.

3. slim down straight aphototropism mode set as claimed in claim 1, is characterized in that, each those distal end faces has more a groove, and this incidence surface is positioned at this groove, and this light emitting diode element of each those light source module stretches in this groove.

4. slim down straight aphototropism mode set as claimed in claim 1, is characterized in that, this slim down straight aphototropism mode set also comprises:

One reflecting sheet material, be stacked at this bottom surface of this printing opacity plate body, this reflecting sheet material comprises multiple impenetrating mouth, and wherein those protuberances are respectively one to one through those impenetrating mouths; And

Each those light source module more comprises:

One reflection layer, is positioned on this face of this distributing board of this light source module, and around this light emitting diode element of this light source module, wherein this reflection layer is at an orthogonal projection this reflecting sheet material overlapping at least partly of this printing opacity plate body.

5. slim down straight aphototropism mode set as claimed in claim 1, is characterized in that, each those distributing board detachably to be positioned in those distal end faces one of them.

6. slim down straight aphototropism mode set as claimed in claim 5, it is characterized in that, each those distributing board has at least one first bit cell, and each those protuberance comprises at least one second bit cell, and this second bit cell is removably in conjunction with this first bit cell.

7. slim down straight aphototropism mode set as claimed in claim 6, is characterized in that, this first bit cell is one first projection, and this second bit cell is a groove, and this groove is positioned at one of them of those distal end faces, to accept this first projection.

8. slim down straight aphototropism mode set as claimed in claim 6, it is characterized in that, this first bit cell is a chase, the curved shape of this chase, and the width of this chase reduces towards the direction of another end gradually from an end of this chase, this second bit cell is one second projection, and this second projection is positioned at one of them of those distal end faces;

When this second projection to stretch in this chase and to revolve this another end moving to this chase, this second tongue is fixed on this another end of this chase.