Detailed description of the invention
Referring to the perspective view that Fig. 1 and Fig. 2, Fig. 1 are the touch control display apparatus 100 that better embodiment of the present invention provides, Fig. 2 is the Fig. 1 generalized section along II-II.
Touch-control display structure 20, backlight module 30, framework 40 and the pressure sensing structure 50 that touch control display apparatus 100 includes cover plate 10, covered by cover plate 10.In the present embodiment, cover plate 10 is bonded as one with touch-control display structure 20 by tack coat.
Cover plate 10 is made for transparent material, is used for preventing the impurity such as dust from entering touch control display apparatus 100 internal.Cover plate 10 includes viewing area 11 and the non-display area 13 arranged around viewing area 11.In the present embodiment, cover plate 10 can be glass substrate or other there is the transparency carrier of high intensity, high rigidity, such as Merlon (Polycarbonate, PC), polyester (Polythyleneterephthalate, PET), polymethyl methacrylate (Polymethylmethacrylate, PMMA), cyclic olefin copolymer (CyclicOlefinCopolymer, COC) or the material such as polyether sulfone (Polyethersulfone, PES) make.
Touch-control display structure 20 includes touch module 21 and display module 23.Touch module 21 is arranged between cover plate 10 and display module 23.Touch module 21 is for sensing the touch operation of user.Display module 23 is used for showing image.In the present embodiment, touch module 21 can be passed through optical cement (not shown) and cover plate 10 or show that module 23 is bonded as one.In other alternative embodiments, touch module 21 can be passed through framework or other fixed structures and engage be integrated with cover plate 10 and display module 23.
Backlight module 30 is arranged at the display module 23 side away from touch module 21.Backlight module 30 includes light source 31, reflector plate 32, light guide plate 34 and blooming piece 36.Light source 31 and light guide plate 34 are arranged side by side, and are covered by blooming piece 36.Light source 31 is used for launching light.Light guide plate 34 carries out multi-angle diffusion for the light sent by light source 31.Reflector plate 32 is for sending light source 31 and reflexing to light guide plate 34 through the partially reflective light to reflector plate 32 of light guide plate 34.Blooming piece 36 can play the effects such as diffusion, light harvesting and reflection deviation according to different optical characteristics.In the present embodiment, blooming piece 36 can be the combination of uniformity plate, brightening piece, prismatic lens and combined optical film one of them or its, in order to promote the image display quality of touch control display apparatus 100.Reflector plate 32 offers the first through hole 321 that multiple edge is offered with cover plate 10 vertical direction.Light source 31 sends and can by the first through hole 321 Journalistic to pressure sensing structure through the partially reflective light to reflector plate 32 of light guide plate 34.
Framework 40 is used for carrying touch-control display structure 20.
Pressure sensing structure 50 is arranged between backlight module 30 and framework 40.Pressure sensing structure 50 receives and is projeced into the light on pressure sensing structure 50 by being launched by light source 31 and pass through the first through hole 321, and senses pressure size when external force puts on touch control display apparatus 100 according to the light flux variations receiving light.
Pressure sensing structure 50 includes multiple light shielding part 51 and light sensing module 53.Light shielding part 51 is arranged between backlight module 30 and light sensing module 53.In the present embodiment, light shielding part 51 contacts with backlight module 30 and light sensing module 53 respectively.In other embodiments, light shielding part 51 also can be separately positioned with at least one in backlight module 30 and light sensing module 53.
Light shielding part 51 is made up of elastic light-proof material, and it is launched by light source 31 for shield portions and be projected to the light of light sensing module 53.Light shielding part 51 under the effect of external force by original state elastic deformation and increase the light shielding part 51 projected area on light sensing module 53, to increase the light shielding part 51 shielded area to being projected to light sensing module 53 glazed thread;Light shielding part 51 also recovers to original state when external force is cancelled.Light sensing module 53 is by sensing the pressure that the change sensing of the luminous flux receiving light puts on touch sensing device 100.In the present embodiment, multiple light shielding part 51 spaced sets.In other embodiments, the distance between multiple light shielding parts 51 can according to from relative position different and different between cover plate 10.Preferably, multiple light shielding parts 51 can change in increasing or decreasing according to from the different of relative position between cover plate 10, such as, the distance between multiple light shielding parts 51 that the distance and between multiple light shielding parts 51 of being oppositely arranged of cover plate 10 edge is oppositely arranged more than cover plate 10 center.
Referring to Fig. 3, it is the touch control display apparatus 300 of the second embodiment.Touch control display apparatus 300 is similar to touch control display apparatus 100, and it is different in that: the position of framework 40 and pressure sensing structure 50.Touch-control display structure 20, backlight module 30, framework 40 and the pressure sensing structure 50 that touch control display apparatus 100 includes cover plate 10, covered by cover plate 10.In the present embodiment, cover plate 10 is bonded as one with touch-control display structure 20 by tack coat.
Cover plate 10 is made for transparent material, is used for preventing the impurity such as dust from entering touch control display apparatus 300 internal.Cover plate 10 includes viewing area 11 and the non-display area 13 arranged around viewing area 11.In the present embodiment, cover plate 10 can be glass substrate or other there is the transparency carrier of high intensity, high rigidity, such as Merlon (Polycarbonate, PC), polyester (Polythyleneterephthalate, PET), polymethyl methacrylate (Polymethylmethacrylate, PMMA), cyclic olefin copolymer (CyclicOlefinCopolymer, COC) or the material such as polyether sulfone (Polyethersulfone, PES) make.
Touch-control display structure 20 includes touch module 21 and display module 23.Touch module 21 is arranged between cover plate 10 and display module 23.Touch module 21 is for sensing the touch operation of user.Display module 23 is used for showing image.In the present embodiment, touch module 21 can be passed through optical cement (not shown) and cover plate 10 or show that module 23 is bonded as one.In other alternative embodiments, touch module 21 can be passed through framework or other fixed structures and engage be integrated with cover plate 10 and display module 23.
Backlight module 30 is arranged at the display module 23 side away from touch module 21.Backlight module 30 includes light source 31, reflector plate 32, light guide plate 34 and blooming piece 36.Light source 31 and light guide plate 34 are arranged side by side, and are covered by blooming piece 36.Light source 31 is used for launching light.Light guide plate 34 carries out multi-angle diffusion for the light sent by light source 31.Reflector plate 32 is for sending light source 31 and reflexing to light guide plate 34 through the partially reflective light to reflector plate 32 of light guide plate 34.Blooming piece 36 can play the effects such as diffusion, light harvesting and reflection deviation according to different optical characteristics.In the present embodiment, blooming piece 36 can be the combination of uniformity plate, brightening piece, prismatic lens and combined optical film one of them or its, in order to promote the image display quality of touch control display apparatus 300.Reflector plate 32 offers the first through hole 321 that multiple edge is offered with cover plate 10 vertical direction.Light source 31 sends and can by the first through hole 321 Journalistic to pressure sensing structure through the partially reflective light to reflector plate 32 of light guide plate 34.
Framework 40 is used for carrying touch-control display structure 20.Framework 40 offers the second through hole 41.Second through hole 41 and the first through hole 321 one_to_one corresponding.
Pressure sensing structure 50 is arranged at the side that framework 40 is opposing with backlight module 30.Pressure sensing structure 50 receives by being launched and pass through the first through hole 321 by light source 31 and the second through hole 41 is projeced into the light on pressure sensing structure 50, and senses pressure size when external force puts on touch control display apparatus 300 according to the light flux variations receiving light.
Pressure sensing structure 50 includes multiple light shielding part 51 and light sensing module 53.Light shielding part 51 is arranged between backlight module 30 and light sensing module 53.In the present embodiment, light shielding part 51 contacts with backlight module 30 and light sensing module 53 respectively.In other embodiments, light shielding part 51 also can be separately positioned with at least one in backlight module 30 and light sensing module 53.
Light shielding part 51 is made up of elastic light-proof material, and it is launched by light source 31 for shield portions and be projected to the light of light sensing module 53.Light shielding part 51 under the effect of external force by original state elastic deformation and increase the light shielding part 51 projected area on light sensing module 53, to increase the light shielding part 51 shielded area to being projected to light sensing module 53 glazed thread;Light shielding part 51 also recovers to original state when external force is cancelled.Light sensing module 53 is by sensing the pressure that the change sensing of the luminous flux receiving light puts on touch sensing device 300.In the present embodiment, multiple light shielding part 51 spaced sets.In other embodiments, the distance between multiple light shielding parts 51 can according to from relative position different and different between cover plate 10.Preferably, multiple light shielding parts 51 can according to the inwardly change in increasing or decreasing by both sides, for instance, and the distance between multiple light shielding parts 51 of being oppositely arranged more than cover plate 10 center of the distance between multiple light shielding parts 51 of being oppositely arranged of cover plate 10 edge.
Referring to Fig. 4, it is the touch control display apparatus 400 of the 3rd embodiment.Touch control display apparatus 400 is similar to touch control display apparatus 100, and it is different in that: pressure sensing structure 60.Touch-control display structure 20, backlight module 30, framework 40 and two pressure sensing structures 60 that touch control display apparatus 400 includes cover plate 10, covered by cover plate 10.In the present embodiment, cover plate 10 is bonded as one with touch-control display structure 20 by tack coat.
Cover plate 10 is made for transparent material, is used for preventing the impurity such as dust from entering touch control display apparatus 400 internal.Cover plate 10 includes viewing area 11 and the non-display area 13 arranged around viewing area 11.In the present embodiment, cover plate 10 can be glass substrate or other there is the transparency carrier of high intensity, high rigidity, such as Merlon (Polycarbonate, PC), polyester (Polythyleneterephthalate, PET), polymethyl methacrylate (Polymethylmethacrylate, PMMA), cyclic olefin copolymer (CyclicOlefinCopolymer, COC) or the material such as polyether sulfone (Polyethersulfone, PES) make.
Touch-control display structure 20 includes touch module 21 and display module 23.Touch module 21 is arranged between cover plate 10 and display module 23.Touch module 21 is for sensing the touch operation of user.Display module 23 is used for showing image.In the present embodiment, touch module 21 can be passed through optical cement (not shown) and cover plate 10 or show that module 23 is bonded as one.In other alternative embodiments, touch module 21 can be passed through framework or other fixed structures and engage be integrated with cover plate 10 and display module 23.
Backlight module 30 is arranged at the display module 23 side away from touch module 21.Backlight module 30 includes light source 31, reflector plate 32, light guide plate 34 and blooming piece 36.Light source 31 and light guide plate 34 are arranged side by side, and are covered by blooming piece 36.Light source 31 is used for launching light.Light guide plate 34 carries out multi-angle diffusion for the light sent by light source 31.Reflector plate 32 is for sending light source 31 and reflexing to light guide plate 34 through the partially reflective light to reflector plate 32 of light guide plate 34.Blooming piece 36 can play the effects such as diffusion, light harvesting and reflection deviation according to different optical characteristics.In the present embodiment, blooming piece 36 can be the combination of uniformity plate, brightening piece, prismatic lens and combined optical film one of them or its, in order to promote the image display quality of touch control display apparatus 400.
Framework 40 is used for carrying touch-control display structure 20.
Pressure sensing structure 60 and non-display area 12 are correspondingly arranged.Two pressure sensing structures 60 are symmetricly set in two opposite flanks of display module 23, and between touch module 21 and backlight module 30.Pressure sensing structure 60 receives the light by being launched by light source 31, and senses pressure size when external force puts on touch control display apparatus 400 according to the light flux variations receiving light.
Pressure sensing structure 60 includes multiple light shielding part 61 and light sensing module 63.Light shielding part 61 is arranged between light sensing module 63 and backlight module 30.In the present embodiment, light shielding part 61 contacts with backlight module 30 and light sensing module 63 respectively.In other embodiments, light shielding part 61 also can be separately positioned with at least one in backlight module 30 and light sensing module 63.
Light shielding part 61 is made up of elastic light-proof material, its light launched by light source 31 for shield portions.Light shielding part 61 under the effect of external force by original state elastic deformation and increase the light shielding part 61 projected area on light sensing module 63, to increase the light shielding part 61 shielded area to being projected to light sensing module 63 glazed thread;Light shielding part 61 also recovers to original state when external force is cancelled.Light sensing module 63 and being arranged between touch module 21 and light shielding part 61.Light sensing module 63 is by sensing the pressure that the change sensing of the luminous flux receiving light puts on touch sensing device 400.In the present embodiment, multiple light shielding part 61 spaced sets.In other embodiments, pressure sensing structure 60 can include a light shielding part 61.
Referring to Fig. 5, it is the touch control display apparatus 500 of the 4th embodiment.Touch control display apparatus 500 is similar to touch control display apparatus 100, and it is different in that: pressure sensing structure 70.Touch-control display structure 20, backlight module 30, framework 40 and two pressure sensing structures 70 that touch control display apparatus 500 includes cover plate 10, covered by cover plate 10.In the present embodiment, cover plate 10 is bonded as one with touch-control display structure 20 by tack coat.
Cover plate 10 is made for transparent material, is used for preventing the impurity such as dust from entering touch control display apparatus 500 internal.Cover plate 10 includes viewing area 11 and the non-display area 13 arranged around viewing area 11.In the present embodiment, cover plate 10 can be glass substrate or other there is the transparency carrier of high intensity, high rigidity, such as Merlon (Polycarbonate, PC), polyester (Polythyleneterephthalate, PET), polymethyl methacrylate (Polymethylmethacrylate, PMMA), cyclic olefin copolymer (CyclicOlefinCopolymer, COC) or the material such as polyether sulfone (Polyethersulfone, PES) make.
Touch-control display structure 20 includes touch module 21 and display module 23.Touch module 21 is arranged between cover plate 10 and display module 23.Touch module 21 is for sensing the touch operation of user.Display module 23 is used for showing image.In the present embodiment, touch module 21 can be passed through optical cement (not shown) and cover plate 10 or show that module 23 is bonded as one.In other alternative embodiments, touch module 21 can be passed through framework or other fixed structures and engage be integrated with cover plate 10 and display module 23.
Backlight module 30 is arranged at the display module 23 side away from touch module 21.Backlight module 30 includes light source 31, reflector plate 32, light guide plate 34 and blooming piece 36.Light source 31 and light guide plate 34 are arranged side by side, and are covered by blooming piece 36.Light source 31 is used for launching light.Light guide plate 34 carries out multi-angle diffusion for the light sent by light source 31.Reflector plate 32 is for sending light source 31 and reflexing to light guide plate 34 through the partially reflective light to reflector plate 32 of light guide plate 34.Blooming piece 36 can play the effects such as diffusion, light harvesting and reflection deviation according to different optical characteristics.In the present embodiment, blooming piece 36 can be the combination of uniformity plate, brightening piece, prismatic lens and combined optical film one of them or its, in order to promote the image display quality of touch control display apparatus 500.
Framework 40 is used for carrying touch-control display structure 20.
Two pressure sensing structures 70 are arranged on the side that display module 23 is relative with backlight module 30, and are symmetricly set in the opposite end of display module 23.Pressure sensing structure 70 receives the light by being launched by light source 31, and senses pressure size when external force puts on touch control display apparatus 500 according to the light flux variations receiving light.
Pressure sensing structure 70 includes multiple light shielding part 71 and light sensing module 73.In the present embodiment, light shielding part 71 contacts with backlight module 30 and light sensing module 73 respectively.In other embodiments, light shielding part 71 also can be separately positioned with at least one in backlight module 30 and light sensing module 73.
Light shielding part 71 is made up of elastic light-proof material, its light launched by light source 31 for shield portions.Light shielding part 71 under the effect of external force by original state elastic deformation and increase the light shielding part 71 projected area on light sensing module 73, to increase the light shielding part 71 shielded area to being projected to light sensing module 73 glazed thread;Light shielding part 71 also recovers to original state when external force is cancelled.Light sensing module 73 is by sensing the pressure that the change sensing of the luminous flux receiving light puts on touch sensing device 500.In the present embodiment, multiple light shielding part 71 spaced sets.In other embodiments, pressure sensing structure 70 can include a light shielding part 71.
Referring to Fig. 6, it is the touch control display apparatus 300 of the 5th embodiment.Touch control display apparatus 600 is similar to touch control display apparatus 500, and it is different in that: pressure sensing structure 80.Touch-control display structure 20, backlight module 30, framework 40 and two pressure sensing structures 80 that touch control display apparatus 600 includes cover plate 10, covered by cover plate 10.In the present embodiment, cover plate 10 is bonded as one with touch-control display structure 20 by tack coat.
Cover plate 10 is made for transparent material, is used for preventing the impurity such as dust from entering touch control display apparatus 600 internal.Cover plate 10 includes viewing area 11 and the non-display area 13 arranged around viewing area 11.In the present embodiment, cover plate 10 can be glass substrate or other there is the transparency carrier of high intensity, high rigidity, such as Merlon (Polycarbonate, PC), polyester (Polythyleneterephthalate, PET), polymethyl methacrylate (Polymethylmethacrylate, PMMA), cyclic olefin copolymer (CyclicOlefinCopolymer, COC) or the material such as polyether sulfone (Polyethersulfone, PES) make.
Touch-control display structure 20 includes touch module 21 and display module 23.Touch module 21 is arranged between cover plate 10 and display module 23.Touch module 21 is for sensing the touch operation of user.Display module 23 is used for showing image.In the present embodiment, touch module 21 can be passed through optical cement (not shown) and cover plate 10 or show that module 23 is bonded as one.In other alternative embodiments, touch module 21 can be passed through framework or other fixed structures and engage be integrated with cover plate 10 and display module 23.
Backlight module 30 is arranged at the display module 23 side away from touch module 21.Backlight module 30 includes light source 31, reflector plate 32, light guide plate 34 and blooming piece 36.Light source 31 and light guide plate 34 are arranged side by side, and are covered by blooming piece 36.Light source 31 is used for launching light.Light guide plate 34 carries out multi-angle diffusion for the light sent by light source 31.Reflector plate 32 is for sending light source 31 and reflexing to light guide plate 34 through the partially reflective light to reflector plate 32 of light guide plate 34.Blooming piece 36 can play the effects such as diffusion, light harvesting and reflection deviation according to different optical characteristics.In the present embodiment, blooming piece 36 can be the combination of uniformity plate, brightening piece, prismatic lens and combined optical film one of them or its, in order to promote the image display quality of touch control display apparatus 600.
Framework 40 is used for carrying touch-control display structure 20.
Two pressure sensing structures 70 are arranged on the side that display module 23 is relative with backlight module 30, and are symmetricly set in the opposite end of display module 23.Pressure sensing structure 80 receives the light by being launched by light source 31, and senses pressure size when external force puts on touch control display apparatus 600 according to the light flux variations receiving light.
Pressure sensing structure includes multiple light shielding part 81 and light sensing module 83.In the present embodiment, light shielding part 81 contacts with backlight module 30 and light sensing module 83 respectively.In other embodiments, light shielding part 81 also can be separately positioned with at least one in backlight module 30 and light sensing module 83.
Light shielding part 81 is made up of elastic light-proof material, its light launched by light source 31 for shield portions.Light shielding part 81 under the effect of external force by original state elastic deformation and increase the light shielding part 81 projected area on light sensing module 83, to increase the light shielding part 81 shielded area to being projected to light sensing module 83 glazed thread;Light shielding part 81 also recovers to original state when external force is cancelled.Light sensing module 83 embeds and is arranged at the surface that display module 23 is relative with backlight module 30.Light sensing module 83 is by sensing the pressure that the change sensing of the luminous flux receiving light puts on touch sensing device 600.In the present embodiment, multiple light shielding part 81 spaced sets.In other embodiments, pressure sensing structure 80 includes a light shielding part 81.
In above-mentioned touch control display apparatus, pressure sensing structure utilizes light shielding part generation elastic deformation to change the luminous flux that light sensing module receives and then sensing sensing pressure, can improve the stability of pressure-sensing signal.
Those skilled in the art will be appreciated that; embodiment above is intended merely to the explanation present invention; and it is not used as limitation of the invention; as long as within the spirit of the present invention, above example is made suitably change and change all drops within the scope of protection of present invention.