Embodiment
The present invention is in embodiment, and the touch control display apparatus with touch controllable function of take is specifically introduced as example, is appreciated that the present invention also can be applicable to not have in the display device of touch controllable function.More specifically, in the following example, this touch control display apparatus is a touch control type LCD device.
Refer to Fig. 1, touch control display apparatus 200 comprises upper cover 210 and the back cover 290 fastening with upper cover 210.This upper cover 210 and back cover 290 are interlocked to form a receiving space and accommodate and realize the touch-control of this touch control display apparatus 200 and each element of Presentation Function.This upper cover 210 is for the protection of the touch-control structure of this touch control display apparatus 200.In the present embodiment, this upper cover 210 is transparent flat glass shells.
Refer to Fig. 2, touch control display apparatus 200 further comprises contact panel 220, liquid crystal panel 230 and backlight module 240.This contact panel 220 and backlight module 240 are divided into the relative both sides of this liquid crystal panel 230.
This backlight module 240 comprises light source 245, many double sticky tapes 244 and the optical diaphragm group 241 being cascading, light guide plate 242 and reflector plate 243 from top to bottom.This light source 245 is arranged at least one side of light guide plate 242, for this light guide plate 242 provides incident light.This light guide plate 242 is converted into planar light for the light that light source 245 is sent.This reflector plate 243 re-uses for the light leak of light guide plate 242 being reflected back to light guide plate 242 inside.This optical diaphragm group 241 is for the light that makes to penetrate via this light guide plate 242 homogenising more.This double sticky tape 244 is for being attached at this back cover 290 by the edge of the edge of this reflector plate 243 and this light guide plate 242.
In this optical diaphragm group 241, every blooming piece is provided with the first outwardly lug 2411 and the second lug 2413 at least one edge, on this first lug 2411, offer the through hole 2412 of mutual perforation, this through hole 2412 is for being arranged at this blooming piece this back cover 290.The area of this second lug 2413 varies in size in different blooming pieces, and wherein the second lug 2413 of a plurality of blooming pieces is from extremely diminishing gradually away from these back cover 290 diapire 291 1 sides near these back cover 290 diapire 291 1 sides.By the naked eyes identification to the second lug 2413 sizes, can judge fast so the stacked setting position of different optical diaphragm.It will be appreciated, of course, that this optical diaphragm group 241 also can adopt other fixed form and this back cover 290 to position with fixing, is not limited to foregoing description.
In addition, this light source 245 can be pointolite or line source, and in the present embodiment, this light source 245 is the linear light sources that form by be the pointolite 2455 of row shape arrangement on circuit board 2452.
See also Fig. 3, this light guide plate 242 comprises body 2421 and plummer 2426.This body 2421 is for the light of this light source 245 is converted into planar light, and this body 2421 comprises incidence surface 2422, with the exiting surface 2423 of incidence surface 2422 adjacency and the bottom surface 2424 being oppositely arranged with exiting surface 2423.This plummer 2426 is for being arranged on the exiting surface 2423 of this body 2421 and protruding from the boss structure of this exiting surface 2423, for separately or coordinate other elements, this liquid crystal panel 230 of carrying as common in back cover 290.In the present embodiment, this plummer 2426 is arranged on the exiting surface 2423 of this light guide plate 242 and away from a lateral edges place of this incidence surface 2422, the shape of this plummer 2426 is preferably the similar bar shaped of same light guide plate 242 edge shapes, and the edge setting of close light guide plate 242.In the present embodiment, this body 2421 is integrative-structures with this plummer 2426.Understandably, in other embodiments, this plummer 2426 can be arranged at the edge of the exiting surface 2423 of contiguous incidence surface 2422.
This back cover 290 comprises diapire 291, from the extended a plurality of side walls 292 in the edge of diapire 291 and from contiguous these side wall 292 places of diapire 291, extends a plurality of sidewalls 293 that grow.This sidewall 293 is compared to more close this diapire center of this side wall 292.In the present embodiment, this diapire 291 is rectangular, and the space (not indicating) that this diapire 291 and side wall 292 form is for accommodating this upper cover 210, contact panel 220, liquid crystal panel 230, backlight module 240 and sidewall 293.This diapire 291 forms a sub-receiving space 298 with the plurality of sidewall 293.The opening 299 of these sub-receiving space 298 definition.The end face of the plurality of sidewall 293 is to the distance of this diapire 291 thickness with these plummer 2426 positions higher than this light guide plate 242.
The plurality of sidewall 293 comprises the first side wall 294, the second sidewall 295, the 3rd sidewall 296 and the 4th sidewall 297 that head and the tail sequentially connect.Wherein, the first side wall 294 and the 3rd sidewall 296 are oppositely arranged; This second sidewall 295 and the 4th sidewall 297 are oppositely arranged.By above-mentioned a plurality of sidewalls 293, this diapire 291 and the sub-receiving space 298 that jointly forms for accommodating and backlight module 240 structures such as fixation reflex sheet 243, light guide plate 242 and light source 245, thereby replace glue frame of the prior art.Be appreciated that on the plurality of sidewall 293 can corresponding backlight module 240 element demand, correspondence is provided with for fixing the structural member of these backlight module 240 each elements.The present embodiment take below as example, and the structure of oppose side wall 293 is specifically described.
See also Fig. 4 and Fig. 7, this first side wall 294 comprises the rank body 2940 of two parallel arranged and is formed at the breach 2943 between second order body 2940.Every single order body 2940 comprises and vertically disposed the first main body 2941 of diapire 291 and the first barricade 2942.The first barricade 2942 is from the interior extension of this sub-receiving space 298 of a side direction in the face of this sub-receiving space 298 of this first main body 2941, thereby form a ledge structure with this first main body 2941, and form one for accommodating the accepting groove (seeing Fig. 7) of this light source 245 and light guide plate 242 ends with this diapire 291.This terraced structure is used for carrying this liquid crystal panel 230.This breach 2943 stretches out for the flexible circuit board 2453 that is connected with this circuit board 2452.In the present embodiment, the distance between this 2 first barricade 2942 and this diapire 291 is greater than or equal to the thickness of these light guide plate 242 correspondence positions.
Refer to again Fig. 3, this second sidewall 295 comprises the second barricade 2950 with the first barricade 2942 coplanar settings of this first side wall 294, position to through hole 2412 that should optical diaphragm group 241 on this second barricade 2950 arranges projection 2951, and this projection 2951 is for locating this optical diaphragm group 241.2950 pairs of this second barricades should blooming piece the position of the second lug 2413 also offer groove 2955, this groove 2955, in increasing progressively near these diapire 291 1 sides to the width away from these diapire 291 1 sides, is accommodated a plurality of second lugs 2413 of optical diaphragm group 241 with correspondence.
See also Fig. 5 and Fig. 8, the 3rd sidewall 296 definition have one for carrying the ledge structure 2960 of these liquid crystal panel 230 other ends, this ledge structure 2960 comprises parallel and the first end face 2961 and the second end face 2962 diapire 291, and the joint face 2963 that connects this first end face 2961 and this second end face 2962.In the present embodiment, contiguous this light guide plate 242 of this ledge structure 2960 has a side setting of this plummer 2426, and in same plane, jointly carry this liquid crystal panel 230 after the first end face 2961 of this ledge structure 2960 and the end face assembling of these light guide plate 242 plummers 2426.Variable ground, the 3rd sidewall 296 also can omit this ledge structure 2960 of design.This first end face 2961 equals the thickness with this plummer 2426 and reflector plate 243 sums of this light guide plate 242 substantially to the distance of this diapire 291.This second end face 2962 to the distance of this diapire 291 is greater than this first end face 2961 to the distance of this diapire 291, and with in the raised area, this liquid crystal panel 230 is located in joint face 2963 positions.
The area of this reflector plate 243 is slightly less than the area of the bottom surface 2424 of this light guide plate 242.
See also Fig. 5-Fig. 8.During assembling, the edge of this reflector plate 243 is attached on this diapire 291 via this double sticky tape 244, and this light source 245 is contained in this accepting groove, and this flexible circuit board 2453 stretches out this sub-receiving space 298 via this breach 2943.The exiting surface of this pointolite 2455 is in the face of these sub-receiving space 298 middle parts.One side of the incidence surface 2422 of this light guide plate 242 stretches into this accepting groove.Wherein, the light that the incidence surface 2422 of this light guide plate 242 arranges and sends with acceptance point light source 2455 over against this pointolite 2455 in the face of this first main body 2941.This bottom surface 2424 is in the face of these diapire 291 settings, and its edge is attached on this diapire 291 via double sticky tape 244.Because the area of bottom surface 2424 is slightly larger than the area of reflector plate 243, so bottom surface 2424 does not interfere with each other with the laminating of reflector plate 243 and double sticky tape 244 each other with the laminating of double sticky tape 244.This plummer 2426 is faced this opening 299, and is arranged at the 3rd sidewall 296 1 sides.This optical diaphragm group 241 is arranged on this exiting surface 2423; This through hole 2412 is accommodated this projection 2951.This groove 2955 is accommodated the plurality of the second lug 2413.This liquid crystal panel 230 is arranged on this backlight module 240, the edge of this first barricade 2942, plummer 2426 and this first end face 2961 these liquid crystal panels 230 of carrying.This contact panel 220 is arranged on this liquid crystal panel 230, and this upper cover 210 is contained in this back cover 290 after being arranged on this contact panel 220 and fastening with this back cover 290.
Compared to prior art, in light guide plate 242 in this touch control display apparatus 200, the edge that plummer 2426 carries this liquid crystal panel 230 is set, and support together liquid crystal panel 230 in this sidewall, and liquid crystal panel 230 is fixing comparatively firm, and the stability of product is better.Particularly the area of liquid crystal panel 230 is larger, and when weight is heavier, the adjustment that plummer 2426 and plummer 2426 width are set in light guide plate 242 can provide enough anchorage forces for liquid crystal panel 230.Understandably, this touch control display apparatus 200 can omit reflector plate 243 and directly on back cover 290 diapires 291, be coated with high reflecting material and realize reflection function.This light source 245 can be also strip light pipe.
Refer to Fig. 9, in second embodiment of the invention, touch control display apparatus 400 comprises upper cover 410 and the back cover 490 fastening with upper cover 410.This upper cover 410 and back cover 490 are interlocked to form a receiving space and accommodate and realize the touch-control of this touch control display apparatus 400 and each element of Presentation Function.This upper cover 410 is for the protection of the touch-control structure of this touch control display apparatus 400.In the present embodiment, this upper cover 410 is transparent flat glass shells.
Refer to Figure 10, touch control display apparatus 400 further comprises contact panel 420, liquid crystal panel 430 and backlight module 440.This contact panel 420 and backlight module 440 are divided into the relative both sides of this liquid crystal panel 430.
This backlight module 440 comprises light source 445, many double sticky tapes 444 and the optical diaphragm group 441 being cascading, light guide plate 442 and reflector plate 443 from top to bottom.This light source 445 is arranged at least one side of light guide plate 442, for this light guide plate 442 provides incident light.This light guide plate 442 is converted into planar light for the light that light source 445 is sent.This reflector plate 443 re-uses for the light leak of light guide plate 442 being reflected back to light guide plate 442 inside.This optical diaphragm group 441 is for the light that makes to penetrate via this light guide plate 442 homogenising more.This double sticky tape 444 is for being attached at this back cover 490 by the edge of the edge of this reflector plate 443 and this light guide plate 442.
In this optical diaphragm group 441, every blooming piece is provided with the first outwardly lug 4411 and the second lug 2413 at least one edge, on this first lug 4411, offer the through hole 4412 of mutual perforation, this through hole 4412 is for being arranged at this blooming piece this back cover 490.The area of this second lug 4413 varying in size on different blooming pieces, wherein the second lug 2413 of a plurality of blooming pieces is from extremely diminishing gradually away from these back cover 490 diapire 491 1 sides near these back cover 490 diapire 491 1 sides.By the naked eyes identification to the second lug 4413 sizes, can judge fast so the stacked setting position of different optical diaphragm.It will be appreciated, of course, that this optical diaphragm group 441 also can adopt other fixed form and this back cover 490 to position with fixing, is not limited to foregoing description.
In addition, this light source 445 can be pointolite or line source, and in the present embodiment, this light source 445 is the linear light sources that form by be the pointolite 4455 of row shape arrangement on circuit board 4452.
See also Figure 11, this light guide plate 442 comprises body 4421, plummer 4426 and snap fit 4428.This body 4421 is for the light of this light source 445 is converted into planar light, and this body 4421 comprises incidence surface 4422 (seeing Figure 10), with the exiting surface 4423 of incidence surface 4422 adjacency and the bottom surface 4424 being oppositely arranged with exiting surface 4423.This plummer 4426 is for being arranged on the exiting surface 4423 of this body 4421 and protruding from the boss structure of this exiting surface 4423, for carrying this liquid crystal panel 430.In the present embodiment, this plummer 4426 is arranged on the exiting surface 4423 of this light guide plate 442 and away from the edge of this incidence surface 4422.This plummer 4426 comprises the two stage steps structure of first step 4425 and second step 4427.This first step 4425 joins with this body 4421, and this second step 4427 is arranged on this first step 4425.The end face of this first step 4425 is less than the end face of this second step 4427 to the distance of this exiting surface 4423 to the distance of this exiting surface 4423, and this first step 4425 is compared to more close this light guide plate 442 of second step 4427 center.The end face of this first step 4425 is used for carrying this liquid crystal panel 430.Connect the side (not indicating) of these first step 4425 end faces and second step 4427 end faces for locating this liquid crystal panel 430.This snap fit 4428 is for this light guide plate 442 is connected in to this back cover 490, for 4424 pairs of the bottom surfaces of this light guide plate 442 certainly should plummer 4426 the position hook shape projection of extending.In the present embodiment, this body 4421 is integrative-structures with this plummer 4426 and this snap fit 4428.This snap fit 4428 stretches out this body 4421.
This back cover 490 comprises diapire 491, from the extended a plurality of side walls 492 in the edge of diapire 491 and from contiguous these side wall 492 places of diapire 491, extends a plurality of sidewalls 493 that grow.This sidewall 493 is compared to more close this diapire center of this side wall 492.In the present embodiment, this diapire 491 is rectangular, and the space (not indicating) that this diapire 491 and side wall 492 form is for accommodating this upper cover 410, contact panel 420, liquid crystal panel 430, backlight module 440 and sidewall 493.This diapire 491 and the plurality of sidewall 493 form the opening 499 of sub-receiving spaces 498 and this sub-receiving space 498 formation.
The plurality of sidewall 493 comprises the first side wall 494, the second sidewall 495 and the 3rd sidewall 496 sequentially connecting.Wherein, the first side wall 494 and the 3rd sidewall 496 are oppositely arranged.By above-mentioned a plurality of sidewalls 493, diapire 491 and the sub-receiving space 498 that jointly forms for accommodating and backlight module 440 structures such as fixation reflex sheet 443, light guide plate 442 and light source 445, thereby replace glue frame of the prior art.Be appreciated that on the plurality of sidewall 493 can corresponding backlight module 440 element demand, correspondence is provided with for fixing the structural member of these backlight module 440 each elements.The present embodiment take below as example, and the structure of oppose side wall 493 is specifically described.
See also Figure 12, this second sidewall 495 comprises the rank body 4950 of two parallel arranged and is formed at the breach 4953 between second order body 4950.Every single order body 4950 comprises and vertically disposed the second main body 4954 of diapire 491 and the 3rd barricade 4952.The 3rd barricade 4952 is from the interior extension of this sub-receiving space 498 of a side direction in the face of this sub-receiving space 498 of this second main body 4954, thereby form a ledge structure with this second main body 4954, and form one for accommodating the accepting groove of this light source 445 and light guide plate 442 ends with this diapire 491.This terraced structure is used for carrying this liquid crystal panel 430.This breach 4953 stretches out for the flexible circuit board 4453 being connected with this circuit board 4452 of this light source 445.In the present embodiment, the distance between this 2 the 3rd barricade 4952 and this diapire 491 is greater than or equal to the thickness of these light guide plate 442 correspondence positions.
See also Figure 13, this the first side wall 494 comprises the 4th barricade 4940 with the 3rd barricade 4952 coplanar settings of the second sidewall 495, position to through hole 4412 that should optical diaphragm group 441 on the 4th barricade 4940 arranges projection 4951, and this projection 4951 is for locating this optical diaphragm group 441.The position to the second lug 4413 that should blooming piece of the 4th barricade 4940 also offers groove 4945, this groove 4945, in increasing progressively near these diapire 491 1 sides to the width away from these diapire 491 1 sides, is accommodated a plurality of second lugs 4413 of optical diaphragm group 441 with correspondence.
This diapire 491 offers accepting groove 4911, and this first side wall 494 and the 3rd sidewall 496 are pointed to respectively in the two ends of this accepting groove 4911.Particularly, the end away from this second sidewall 495 of this first side wall 494 and the 3rd sidewall 496 is pointed to respectively at the two ends of this accepting groove 4911.In the present embodiment, the line of this accepting groove 4911, the first side wall 494, the second sidewall 495 and the 3rd sidewall 496 forms a rectangle.See also Figure 17, the width of this accepting groove 4911 is different, and the width that is positioned at these diapire 491 inside of this accepting groove 4911 is wider than the width that is positioned at these diapire 491 surfaces, to form block holding part 4917, fastens this snap fit 4428.
The area of this reflector plate 443 is slightly less than the area of the bottom surface 4424 of this light guide plate 442.
See also Figure 14-Figure 17.During assembling, the edge of this reflector plate 443 is attached on this diapire 491 via this double sticky tape 444, and this light source 445 is contained in this accepting groove.This flexible circuit board 4453 stretches out this sub-receiving space 498 via this breach 4953.The exiting surface of this pointolite 4455 is in the face of these sub-receiving space 498 middle parts.One side of the incidence surface 4422 of this light guide plate 442 stretches into this accepting groove.Wherein, the light that the incidence surface 4422 of this light guide plate 442 arranges and sends with acceptance point light source 4455 over against this pointolite 4455 in the face of this second main body 4954.This bottom surface 4424 is faced this diapire 491 and is arranged and be attached on this diapire 491 via double sticky tape 444.This snap fit 4428 is contained in this accepting groove 4911, and fastens this block holding part 4917.This plummer 4426 is in the face of this opening 499.This optical diaphragm group 441 is arranged on this exiting surface 4423; This through hole 4412 is accommodated this projection 4951.This groove 4945 is accommodated the plurality of the second lug 4413.This liquid crystal panel 430 is arranged on this backlight module 440, and the end face of the first step 4425 of the 3rd barricade 4952, plummer 4426 carries the edge of this liquid crystal panel 430.This contact panel 420 is arranged on this liquid crystal panel 430, and this upper cover 410 is contained in this back cover 490 after being arranged on this contact panel 420 and fastening with this back cover 490.