CN104793367B - Touch control display apparatus - Google Patents
Touch control display apparatus Download PDFInfo
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- CN104793367B CN104793367B CN201510200884.XA CN201510200884A CN104793367B CN 104793367 B CN104793367 B CN 104793367B CN 201510200884 A CN201510200884 A CN 201510200884A CN 104793367 B CN104793367 B CN 104793367B
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- Prior art keywords
- display apparatus
- touch control
- control display
- glue frame
- guide
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention provides a kind of touch control display apparatus, it is characterised in that the touch control display apparatus includes what is set gradually：Contact panel, liquid crystal display panel and backlight module；The backlight module includes glue frame, and at least one LED light source and blooming piece being arranged in the glue frame；The contact panel includes viewing area, non-display area and key zone；Light guide film module is provided with below the key zone, and the light guide film module is located above the glue frame；Wherein, the guide-lighting groove towards the light guide film module is provided with close to the glue frame side of the LED light source.Touch control display apparatus provided by the invention in the glue frame side close to LED light source by being provided with guide-lighting groove, while offer brightness of the LED light source in backlight to viewing area can be provided, light source can also be provided for key zone, reduce the use of device, so that whole touch control display apparatus is more lightening, cost is reduced, increases complete machine cruising time.
Description
Technical field
The present invention relates to display field, in particular, more particularly to a kind of touch control display apparatus.
Background technology
Touch control display apparatus has many merits such as thin fuselage, power saving, radiationless, simple to operate, and at present, touch-control shows
Showing device has been widely used in notebook computer, personal digital assistant as the display unit of electronic equipment
On the information products such as (Personal Digital Assistant, PDA), flat-surface television and mobile phone.
In the prior art, the touch key-press for touch control display apparatus bottom generally requires the effect of backlight, generally will
LED (Light Emitting Diode, light emitting diode) light source is placed directly within immediately below the touch key-press on touch-screen cover plate,
The light that LED is sent projects after light guiding film is conducted from reserved light-emitting window, is radiated on the touch key-press on touch control display apparatus,
Touch key-press is set to be in bright dispaly state.
But so it is more to the limitation of LED set location, light source directly can not be placed in touch key-press by portion
Underface, and each touch key-press is required for a corresponding LED to light, and causes cost to increase.Further, since can not be independent
The brightness in touch key-press region is adjusted, it is necessary to when increasing the brightness of touch key-press area, it is necessary to by whole screen blast, electricity can be caused
The consuming of energy, and reduce the stand-by time of electronic product.
The content of the invention
It is of the invention to solve the problems, such as to be to provide a kind of touch control display apparatus, reduce key zone LED use, reduce power consumption,
Realize the slimming design of touch control display apparatus.
In view of the above-mentioned problems, the present invention provides a kind of touch control display apparatus, the touch control display apparatus includes setting gradually
's：Contact panel, liquid crystal display panel and backlight module；
The backlight module includes glue frame, and at least one LED light source and blooming piece being arranged in the glue frame；
The contact panel includes viewing area, non-display area and key zone；
Light guide film module is provided with below the key zone, and the light guide film module is located above the glue frame；
Wherein, the guide-lighting groove towards the light guide film module is provided with close to the glue frame side of the LED light source.
Compared with prior art, technical scheme at least has advantages below：
In technical scheme, by being provided with guide-lighting groove in the glue frame side close to LED light source, it can make in backlight
Offer brightness of the LED light source to viewing area while, moreover it is possible to provide light source for key zone, reduce the use of device so that whole
Individual touch control display apparatus is more lightening, reduces power consumption, increases complete machine cruising time.
Brief description of the drawings
Fig. 1 is the explosive view of touch control display apparatus in the prior art；
Fig. 2 is the explosive view for the touch control display apparatus that the embodiment of the present invention one provides；
Fig. 3 is the top view for the touch control display apparatus that the embodiment of the present invention one provides；
Fig. 4 is the sectional view for the touch control display apparatus that the embodiment of the present invention one provides；
Fig. 4 a are the partial enlarged drawing of part A in Fig. 4；
Fig. 4 b are the cutaway view Amplified image of part A in Fig. 4；
Fig. 5 is the explosive view for the touch control display apparatus that the embodiment of the present invention two provides；
Fig. 6 is the sectional view for the touch control display apparatus that the embodiment of the present invention two provides；
Fig. 6 a are the partial enlarged drawing of part B in Fig. 6；
Fig. 6 b are the cutaway view Amplified image of part B in Fig. 6
Embodiment
Fig. 1 is the explosive view of touch control display apparatus in the prior art, and the touch control display apparatus is included from top to bottom successively
The contact panel 101 and liquid crystal display device 102 of setting, contact panel 101 include viewing area 1011 and key zone 1012, button
The lower section in area 1012 is additionally provided with light guide film module 103 and mainboard 104, and LED light source 1041 is additionally provided with mainboard 104, guide-lighting
Also include opening 1031 on membrane module 103, the light that LED light source 1041 is sent can be radiated at key zone 1012 by opening 1031
Lower section, for key zone 1012 provide stable homogeneous light.
In Fig. 1, the lower section of key zone 1012 is needed to set independent LED light source 1041, and light is provided for key zone 1012
Source, each individually LED light source 1041 are required for being arranged on mainboard 104, and wherein mainboard 104 is usually using FPC (Flexible
Printed Circuit, flexible PCB) base material is used as, when key zone 1012 needs blast, pressed due to can not individually adjust
The brightness of keypad 1012, it is therefore desirable to by whole screen blast, cause the consuming of electric energy, while carry as LED light source 1041
The raw material price of the mainboard 104 in face is also higher, therefore causes cost higher, while the LED light source that key zone 1012 is independent
1041 need to consume a part of electricity, also influence the complete machine cruising time of touch control display apparatus and the slimming of touch control display apparatus
Design.
It is the explosive view for the touch control display apparatus that the embodiment of the present invention one provides with reference to figure 2, Fig. 3 and Fig. 4, Fig. 2, Fig. 3 is
The top view for the touch control display apparatus that the embodiment of the present invention one provides, Fig. 4 are the touch-control display dresses that the embodiment of the present invention one provides
The sectional view put is, it is necessary to which explanation, Fig. 4 merely illustrate a part for touch control display apparatus.
As shown in Fig. 2 the touch control display apparatus includes contact panel 201, the and of liquid crystal display panel 202 set gradually
Backlight module 203.Backlight module 203 includes glue frame 205, and at least one LED light source being arranged in the glue frame 205
2032 and blooming piece, the blooming piece include reflector plate 2031 and light guide plate 2033, wherein glue frame 205 can be to being arranged on
Its internal part (such as LED light source 2032, reflector plate 2031 and light guide plate 2033) plays a part of protecting and supported, this reality
It is Wedge shape light conduction board to apply light guide plate 2033 in example, i.e., light guide plate 2033 has an inclined plane close to the position of LED light source 2032,
But in other embodiments, light guide plate 2033 can also be the light guide plate of rectangular shape, be defined herein not to this.Wherein
LED light source 2032 is sequentially arranged in one end of glue frame 205, and the light that LED light source 2032 is sent can enter light guide plate 2033,
It is homogeneous so as to be provided for backlight module and then the line source that LED light source 2032 is sent can be become area source by light guide plate 2033
Light emitting source.
Contact panel 201 includes viewing area 2011, non-display area 2013 and key zone 2012, and non-display area 2013 is positioned at aobvious
Show the periphery in area 2011, key zone 2012 is located at non-display area 2013 close to one end of LED light source 2032.Work as touch control display apparatus
During work, the displayable image of viewing area 2011, the image that can control viewing area 2011 by key zone 2012 is shown.
And the lower section of key zone 2012 is provided with light guide film module 204, light guide film module 204 is located at the top of glue frame 205, its
In, the guide-lighting groove 2051 towards light guide film module 204 is provided with close to the side of glue frame 205 of LED light source 2032.And guide-lighting groove 2051
It is positioned close to the side of glue frame 205 of LED light source 2032, that is to say, that guide-lighting groove 2051 communicates with one side of LED light source.
So after light is sent from LED light source 2032, except a part is supplied to viewing area 2011, for viewing area 2011
Outside the light of display, some light can conduct by the conduction of guide-lighting groove 2051, and then by light guide film module 204
The lower section of key zone 2012, arrow in Fig. 2 near optical module 204 for some light from LED light source 2032 send after light
Road schematic diagram.When liquid crystal display panel 201 is lighted, for providing the LED light source 2032 of light to viewing area 2011, while
It can be that key zone 2012 provides brightness, eliminate the independent LED for needing to design the lower section of key zone 2012 in the prior art
Source, can also simplify the assembling process of touch control display apparatus while reducing cost, and improve the utilization rate of light source.
The touch control display apparatus that the embodiment of the present invention one provides, by the glue frame 205 close to the side of LED light source 2032
Middle to set guide-lighting groove 2051, when LED light source 2032 is that viewing area 2011 provides light, a part of light can be from guide-lighting groove
On 2051 irradiation light guide film modules 204, and the lower section of key zone 2012 is further radiated at, brightness is provided for key zone 2012,
It is user-friendly, reduces the cost of raw material, simplify assembling flow path, and improve the utilization rate of light source, reduce power consumption, extends whole
The cruising time of touch control display apparatus.
It should be noted that with reference to the partial enlarged drawing that figure 4a and Fig. 4 b, Fig. 4 a are part A in Fig. 4, Fig. 4 b are A in Fig. 4
Partial cutaway view Amplified image, glue frame 205 include first surface 2053 and second surface 2054, and the first surface 2053 is towards institute
Contact panel 201 is stated, the second surface 2054 is away from the contact panel 201, and guide-lighting groove 2051 is located in glue frame 205 simultaneously
Penetrate the first surface 2053 of the glue frame 205.Due to guide-lighting groove 2051 penetrate glue frame 205, and one end of guide-lighting groove 2051 with
LED light source 2032 is connected, and the other end is located at the lower section of light guide film module 204, therefore after light is sent from LED light source 2032,
It can be radiated at directly by the guide-lighting groove 2051 of insertion on light guide film module 204, and then brightness provided for key zone 2012.
The guide-lighting groove 2051 of insertion can be such that light preferably transmits, and reduce the loss of light.
It should be noted that guide-lighting groove 2051 also includes an inclined-plane 2052, and the inclined-plane 2052 and the first table of glue frame 205
Face 2053 is in 45 ° of angles, and the direction of arrow in Fig. 4 b is the transmission and reflection direction that LED light source 2032 emits beam, and works as inclined-plane
When 2052 and first surface 2053 are in 45 ° of angles, now incidence angle is 45 °, according to the principle of the reflection of light, incidence angle and reflection
Angle is equal, i.e., angle of reflection is also 45 °, therefore incidence angle and angle of reflection sum are 90 °, because light is glancing incidence, by anti-
After penetrating, turned clockwise 90 ° equivalent to light, be changed into vertical exit, direct irradiation is key zone on light guide film module 204
2012 provide light.When the angle between inclined-plane 2052 and first surface 2053 is 45 °, the light of glancing incidence can be vertical
It is emitted and then is radiated on light guide film module 204, the utilization rate of light source can be effectively improved.
It should be noted that backlight module 203 also includes a flexible printed circuit board 2034, and the flexible printed circuit board
2034 back side position relative with guide-lighting groove 2051 scribbles reflectorized material.With reference to figure 4, flexible PCB 2034 is arranged on LED
The top of light source 2032, and together with being brought into close contact with light guide plate 2033 and LED light source 2032 by double faced adhesive tape, preferably herein
The reflectorized material smeared herein in embodiment is white reflector material, because the reflecting effect of white is preferable, but in other implementations
In example, the reflectorized material of other colors can be also scribbled herein.When the light that LED light source 2032 is sent not is glancing incidence leaded light
During groove 2051, because the back side of the flexible printed circuit board 2034 with the guide-lighting relative position of groove 2051 scribbles reflectorized material, and glue
Frame is white, also can be reflective, and in the upper and lower surfaces in guide-lighting groove 2051 multiple reflections can occur for incident ray now, finally
It is radiated on light guide film module 204, it is possible to reduce the loss of light source during something unexpected happened, improve the reliable of backlight module 203
Property.
It should be noted that light guide film module 204 from the contact panel 201 to the direction of the backlight module 203 according to
It is secondary to specifically include shading glue 2043, light guiding film 2042 and photomask 2041.With reference to figure 2, photomask 2041, light guiding film 2042 and screening
Optical cement 2043 is brought into close contact, and light guide film module 204 is attached on contact panel 201 eventually through photomask 2041.LED light source
2032 can be multiple LED light sources, and multiple LED light sources 2032 can provide the light source of abundance for touch control display apparatus.
Specifically, as shown in figure 3, guide-lighting groove 2051 is between described two LED light sources 2032, key zone 2012 is also wrapped
At least one button 2014 is included, light guide film module 204 corresponding to the lower section of button 2014 also includes at least one lug 2044, and convex
The position of ear 2044 and guide-lighting groove 2051 corresponds.Lug 2044 can preferably absorb guide-lighting groove 2051 from LED light source
Light derived from 2032, and then the lower section of key zone 2012 is radiated at by light guide film module 204, and mainly it is radiated at button 2014
Lower section, the image that can control non-display area 2011 eventually through button 2014 shows.Because each guide-lighting groove 2051 is located at
Can be that and the quantity of guide-lighting groove 2051 is small between two adjacent LED light sources 2032 between two LED light sources 2032
In the quantity of LED light source 2032, so each guide-lighting groove 2052 can at least absorb the light that two LED light sources 2032 are sent,
And then the brightness of abundance is provided for key zone 2012.And the one-to-one lug 2044 in position and guide-lighting groove 2051, it can cause
Guide-lighting groove 2044 on lug 2044, improves the utilization rate of light source from light source direct irradiation derived from light source 2032.Preferably, hide
Optical cement 2043 also includes at least one opening 2045, and opening 2045 is corresponding below key zone 2012.When shading glue 2043 includes
One opening 2045 when, lug 2044 absorb light can by after light guiding film 2042 directly by opening 2045 be radiated at by
The lower section of keypad 2012, specifically, opening 2045 can be in the lower section of button 2014, the present embodiment split shed 2045 and button
2012 number is identical, but in other embodiments, the number of opening 2045 and button 2014 can also be different.
When light is sent from LED light source 2032, a part of light is that viewing area 2011 provides brightness, such as the arrow in Fig. 3
Shown in head direction, another part light can be radiated in light guiding film 2042 from guide-lighting groove 2051, and further passes through shading glue
2043 opening 2045 is radiated at the lower section of key zone 2012, and then provides brightness for button 2014, improves the utilization rate of light source
While can also save raw material, reduce cost.
It should be noted that the LED light source is the LED light source 2032 of double-side, wherein one facing to the optics
Diaphragm, another side is towards light guide film module 204.The blooming piece includes reflector plate 2031 and light guide plate 2033, double-side
LED light source 2032 can provide brightness to viewing area 1011 and key zone 2012 simultaneously, it is ensured that the sufficient offer of light source.
It should be noted that the cross sectional shape of guide-lighting groove 2051 is semicircle, half elliptic, rectangle, trapezoidal or triangle
At least one of.The cross sectional shape of guide-lighting groove 2051 is semicircle in the present embodiment, but in other embodiments, guide-lighting groove
2051 cross sectional shape can also be semicircle, half elliptic, rectangle, at least one of trapezoidal or triangle or
Several combinations of different shapes, such as the section shape of guide-lighting groove 2051 can be semicircle and half elliptic combination of shapes, semicircle
Shape and rectangular shape combination, semicircle, half elliptic and trapezoidal combination of shapes, it is semicircle, half elliptic, rectangle, trapezoidal
With the combination of triangle, or semicircle, half elliptic, rectangle, trapezoidal, triangle be with other shapes of combination, wherein described
Semicircle can be semicircle of different sizes, and the half elliptic can be half elliptic of different sizes, the triangle
Can be triangle of different sizes, the rectangle can be rectangle of different sizes, it is described it is trapezoidal can be of different sizes
Trapezoidal, the cross sectional shape of different guide-lighting groove 2051 preferably reflection light and can provide brightness for key zone, reach light
Homogeneous effect.
Embodiment two
It is the explosive view for the touch control display apparatus that the embodiment of the present invention two provides with reference to figure 5 and Fig. 6, Fig. 5, Fig. 6 is this hair
The sectional view for the touch control display apparatus that bright embodiment two provides is, it is necessary to which explanation, Fig. 6 merely illustrate the one of touch control display apparatus
Part, as shown in figure 5, the touch control display apparatus includes the contact panel 301, liquid crystal display panel 302 and the back of the body set gradually
Optical mode group 303.
Backlight module 303 includes glue frame 305, and the He of at least one LED light source 3032 being arranged in the glue frame 305
Blooming piece, the blooming piece include reflector plate 3031 and light guide plate 3033, and wherein glue frame 305 can be to being provided at its inner portion
Part (such as LED light source 3032, reflector plate 3031 and light guide plate 3033) play a part of protecting and support, in the present embodiment
Light guide plate 3033 is Wedge shape light conduction board, i.e., light guide plate 3033 has an inclined plane close to the position of LED light source 3032, but at it
In its embodiment, light guide plate 3033 can also be the light guide plate of rectangular shape, be defined herein not to this.Wherein LED light
Source 3032 is sequentially arranged in one end of glue frame 305, and the light that LED light source 3032 is sent can enter light guide plate 3033, and then
The line source that LED light source 3032 is sent can be become area source by light guide plate 3033, so as to provide homogeneous hair for backlight module
Light source.
Contact panel 301 includes viewing area 3011, non-display area 3013 and key zone 3012, and non-display area 3013 is positioned at aobvious
Show the periphery in area 3011, key zone 3012 is located at non-display area 3013 close to one end of LED light source 3032.Work as touch control display apparatus
During work, the displayable image of viewing area 3011, the image that can control viewing area 3011 by key zone 3012 is shown.
And the lower section of key zone 3012 is provided with light guide film module 304, light guide film module 304 is located at the top of glue frame 305, its
In, the guide-lighting groove 3051 towards light guide film module 304 is provided with close to the side of glue frame 305 of LED light source 3032.And guide-lighting groove 3051
It is positioned close to the side of glue frame 305 of LED light source 3032, that is to say, that guide-lighting groove 3051 communicates with one side of LED light source.
So after light is sent from LED light source 3032, except a part is supplied to viewing area 3011, for viewing area 3011
Outside the light of display, some light can conduct by the conduction of guide-lighting groove 3051, and then by light guide film module 304
The lower section of key zone 3012, arrow in Fig. 5 near optical module 304 for some light from LED light source 3032 send after light
Road schematic diagram.When liquid crystal display panel 301 is lighted, for providing the LED light source 3032 of light to viewing area 3011, while
It can be that key zone 3012 provides brightness, eliminate the independent LED for needing to design the lower section of key zone 3012 in the prior art
Source, can also simplify the assembling process of touch control display apparatus while reducing cost, and improve the utilization rate of light source.
The touch control display apparatus that the embodiment of the present invention two provides, by the glue frame 305 close to the side of LED light source 3032
Middle to set guide-lighting groove 3051, when LED light source 3032 is that viewing area 3011 provides light, a part of light can be from guide-lighting groove
On 3051 irradiation light guide film modules 304, and the lower section of key zone 3012 is further radiated at, brightness is provided for key zone 3012,
It is user-friendly, reduces the cost of raw material, simplify assembling flow path, and improve the utilization rate of light source, reduce power consumption, extends whole
The cruising time of touch control display apparatus.
It should be noted that with reference to the partial enlarged drawing that figure 6a and Fig. 6 b, Fig. 6 a are part B in Fig. 6, Fig. 6 b are B in Fig. 6
Partial cutaway view Amplified image, glue frame 305 include first surface 3053 and second surface 3054, and the first surface 3053 is towards institute
Contact panel 301 is stated, the second surface 3054 is away from the contact panel 301, and guide-lighting groove 3051 is located in glue frame 305 simultaneously
Penetrate the second surface 3054 of the glue frame 305.Due to guide-lighting groove 3051 penetrate glue frame 305, and one end of guide-lighting groove 3051 with
LED light source 3032 is connected, and the other end is located at the lower section of light guide film module 304, therefore after light is sent from LED light source 3032,
It can be radiated at directly by the guide-lighting groove 3051 of insertion on light guide film module 304, and then brightness provided for key zone 3012.
The guide-lighting groove 3051 of insertion can be such that light preferably transmits, and reduce the loss of light.
It should be noted that guide-lighting groove 3051 also includes an inclined-plane 3052, and the inclined-plane 3052 and the first table of glue frame 305
Face 3053 is in 45 ° of angles, and the direction of arrow in Fig. 6 b is the transmission and reflection direction that LED light source 3032 emits beam, and works as inclined-plane
When 3052 and second surface 3054 are in 45 ° of angles, now incidence angle is 45 °, according to the principle of the reflection of light, incidence angle and reflection
Angle is equal, i.e., angle of reflection is also 45 °, therefore incidence angle and angle of reflection sum are 90 °, because light is glancing incidence, by anti-
After penetrating, turned clockwise 90 ° equivalent to light, be changed into vertical exit, direct irradiation is key zone on light guide film module 304
3012 provide light.When the angle between inclined-plane 3052 and second surface 3054 is 45 °, the light of glancing incidence can be vertical
It is emitted and then is radiated on light guide film module 304, the utilization rate of light source can be effectively improved.
It should be noted that backlight module 303 also includes a flexible printed circuit board 3034, and the flexible printed circuit board
3034 back side position relative with guide-lighting groove 3051 scribbles reflectorized material.With reference to figure 6, flexible PCB 3034 is arranged on LED
The top of light source 3032, and together with being brought into close contact with light guide plate 3033 and LED light source 3032 by double faced adhesive tape, preferably herein
The reflectorized material smeared herein in embodiment is white reflector material, because the reflecting effect of white is preferable, but in other implementations
In example, the reflectorized material of other colors can be also scribbled herein.When the light that LED light source 3032 is sent not is glancing incidence leaded light
During groove 3051, because the back side of the flexible printed circuit board 3034 with the guide-lighting relative position of groove 3051 scribbles reflectorized material, and glue
Frame is white, also can be reflective, and in the upper and lower surfaces in guide-lighting groove 3051 multiple reflections can occur for incident ray now, finally
It is radiated on light guide film module 304, it is possible to reduce the loss of light source during something unexpected happened, improve the reliable of backlight module 303
Property.
It should be noted that light guide film module 304 from the contact panel 301 to the direction of the backlight module 303 according to
It is secondary to specifically include shading glue 3043, light guiding film 3042 and photomask 3041.With reference to figure 5, photomask 3041, light guiding film 3042 and screening
Optical cement 3043 is brought into close contact, and light guide film module 304 is attached on contact panel 301 eventually through photomask 3041.LED light source
3032 can be multiple LED light sources, and multiple LED light sources 3032 can provide the light source of abundance for touch control display apparatus.
Specifically, between described two LED light sources 3032, key zone 3012 also includes at least one guide-lighting groove 3051
Button 3014, light guide film module 304 corresponding to the lower section of button 3014 also includes at least one lug 3044, and lug 3044 is with leading
The position of light groove 3051 corresponds.Lug 3044 can preferably absorb guide-lighting groove 3051 from light derived from LED light source 3032
Line, and then the lower section of key zone 3012 is radiated at by light guide film module 304, and the lower section of button 3014 is mainly radiated at, finally
The image that can control non-display area 3011 by button 3014 is shown.Because each guide-lighting groove 3051 is located at two LED light sources
Can be that and the quantity of guide-lighting groove 3051 is less than LED light source between two adjacent LED light sources 3032 between 3032
3032 quantity, so each guide-lighting groove 3052 can at least absorb the light that two LED light sources 3032 are sent, and then be button
Area 3012 provides the brightness of abundance.And the one-to-one lug 3044 in position and guide-lighting groove 3051, guide-lighting groove 3044 can be caused
From light source direct irradiation derived from light source 3032 on lug 3044, the utilization rate of light source is improved.Preferably, shading glue 3043 is gone back
It is corresponding below key zone 3012 including at least one opening 3045, opening 3045.When shading glue 3043 includes an opening
When 3045, the light that lug 3044 absorbs can be by being directly radiated at key zone 3012 after light guiding film 3042 by opening 3045
Lower section, specifically, opening 3045 can be in the lower section of button 3014, the number of the present embodiment split shed 3045 and button 3012
It is identical, but in other embodiments, the number of opening 3045 and button 3014 can also be different.
When light is sent from LED light source 3032, a part of light is that viewing area 3011 provides brightness, such as the arrow in Fig. 3
Shown in head direction, another part light can be radiated in light guiding film 3042 from guide-lighting groove 3051, and further passes through shading glue
3043 opening 3045 is radiated at the lower section of key zone 3012, and then provides brightness for button 3014, improves the utilization rate of light source
While can also save raw material, reduce cost.
It should be noted that the LED light source is the LED light source 3032 of double-side, wherein one facing to the optics
Diaphragm, another side is towards light guide film module 304.The blooming piece includes reflector plate 3031 and light guide plate 3033, double-side
LED light source 3032 can provide brightness to viewing area 1011 and key zone 3012 simultaneously, it is ensured that the sufficient offer of light source.
It should be noted that the cross sectional shape of guide-lighting groove 3051 is semicircle, half elliptic, rectangle, trapezoidal or triangle
At least one of.The cross sectional shape of guide-lighting groove 3051 is semicircle in the present embodiment, but in other embodiments, guide-lighting groove
3051 cross sectional shape can also be semicircle, half elliptic, rectangle, at least one of trapezoidal or triangle or
Several combinations of different shapes, such as the section shape of guide-lighting groove 3051 can be semicircle and half elliptic combination of shapes, semicircle
Shape and rectangular shape combination, semicircle, half elliptic and trapezoidal combination of shapes, it is semicircle, half elliptic, rectangle, trapezoidal
With the combination of triangle, or semicircle, half elliptic, rectangle, trapezoidal, triangle be with other shapes of combination, wherein described
Semicircle can be semicircle of different sizes, and the half elliptic can be half elliptic of different sizes, the triangle
Can be triangle of different sizes, the rectangle can be rectangle of different sizes, it is described it is trapezoidal can be of different sizes
Trapezoidal, the cross sectional shape of different guide-lighting groove 3051 preferably reflection light and can provide brightness for key zone, reach light
Homogeneous effect.
Touch control display apparatus provided by the invention, by being provided with guide-lighting groove in the glue frame side close to LED light source, it can make
While the offer brightness to viewing area of LED light source in backlight, moreover it is possible to provide light source for key zone, the use for reducing device can
To simplify assembling process, and make it that whole touch control display apparatus is more lightening, reduce cost, increase complete machine cruising time.
Obviously, those skilled in the art can carry out the spirit of various changes and modification without departing from the present invention to invention
And scope.So, if these modifications and variations of the present invention belong to the claims in the present invention and its equivalent technologies scope it
Interior, then the present invention is also intended to including these changes and modification.
Claims (13)
1. a kind of touch control display apparatus, it is characterised in that the touch control display apparatus includes what is set gradually：Contact panel, liquid
LCD panel and backlight module；
The backlight module includes glue frame, and at least one LED light source and blooming piece being arranged in the glue frame；
The contact panel includes viewing area, non-display area and key zone；
Light guide film module is provided with below the key zone, and the light guide film module is located above the glue frame；
Wherein, the guide-lighting groove towards the light guide film module is provided with close to the glue frame side of the LED light source.
2. touch control display apparatus as claimed in claim 1, it is characterised in that the glue frame includes first surface and the second table
Face, the first surface is towards the contact panel, and the second surface is away from the contact panel.
3. touch control display apparatus as claimed in claim 2, it is characterised in that the guide-lighting groove is located in the glue frame and penetrated
The first surface of the glue frame.
4. touch control display apparatus as claimed in claim 2, it is characterised in that the guide-lighting groove is located in the glue frame and penetrated
The second surface of the glue frame.
5. the touch control display apparatus as described in claim 3 or 4, it is characterised in that the guide-lighting groove also includes an inclined-plane, described
Inclined-plane and the first surface and/or second surface of the glue frame are in 45 ° of angles.
6. touch control display apparatus as claimed in claim 1, it is characterised in that the backlight module also includes flexible printing electricity
Road plate, the back side of the flexible printed circuit board position relative with the guide-lighting groove scribble reflectorized material.
7. touch control display apparatus as claimed in claim 1, it is characterised in that the light guide film module from the contact panel to
The direction of the backlight module includes shading glue, light guiding film and photomask successively.
8. touch control display apparatus as claimed in claim 7, it is characterised in that multiple LED light sources are provided with the glue frame.
9. touch control display apparatus as claimed in claim 8, it is characterised in that the guide-lighting groove is between two LED light sources.
10. touch control display apparatus as claimed in claim 9, it is characterised in that the key zone includes at least one button, institute
Light guide film module corresponding to stating below button also includes at least one lug, a pair of the position 1 of the lug and the guide-lighting groove
Should.
11. touch control display apparatus as claimed in claim 9, it is characterised in that the shading glue also includes at least one opening,
The opening is corresponding below the key zone.
12. touch control display apparatus as claimed in claim 1, it is characterised in that the LED light source is the LED light of double-side
Source, wherein one facing to the blooming piece, another side is towards the light guide film module.
13. touch control display apparatus as claimed in claim 1, it is characterised in that the cross sectional shape of the guide-lighting groove for it is semicircle,
At least one of half elliptic, rectangle, trapezoidal or triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510200884.XA CN104793367B (en) | 2015-04-24 | 2015-04-24 | Touch control display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510200884.XA CN104793367B (en) | 2015-04-24 | 2015-04-24 | Touch control display apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104793367A CN104793367A (en) | 2015-07-22 |
| CN104793367B true CN104793367B (en) | 2017-11-14 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510200884.XA Active CN104793367B (en) | 2015-04-24 | 2015-04-24 | Touch control display apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN104793367B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050026741A (en) * | 2003-09-06 | 2005-03-16 | 삼성전자주식회사 | Keypad back lighting apparatus for mobile phone |
| CN102314256A (en) * | 2011-09-08 | 2012-01-11 | 惠州Tcl移动通信有限公司 | Touch screen module and mobile terminal applied by same |
| CN103024113A (en) * | 2011-09-23 | 2013-04-03 | 上海晨兴希姆通电子科技有限公司 | Lighting structure of mobile phone touch keys |
| CN103677138A (en) * | 2013-12-26 | 2014-03-26 | 华为终端有限公司 | Terminal |
| CN103901948A (en) * | 2012-12-27 | 2014-07-02 | 比亚迪股份有限公司 | Mobile terminal |
-
2015
- 2015-04-24 CN CN201510200884.XA patent/CN104793367B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050026741A (en) * | 2003-09-06 | 2005-03-16 | 삼성전자주식회사 | Keypad back lighting apparatus for mobile phone |
| CN102314256A (en) * | 2011-09-08 | 2012-01-11 | 惠州Tcl移动通信有限公司 | Touch screen module and mobile terminal applied by same |
| CN103024113A (en) * | 2011-09-23 | 2013-04-03 | 上海晨兴希姆通电子科技有限公司 | Lighting structure of mobile phone touch keys |
| CN103901948A (en) * | 2012-12-27 | 2014-07-02 | 比亚迪股份有限公司 | Mobile terminal |
| CN103677138A (en) * | 2013-12-26 | 2014-03-26 | 华为终端有限公司 | Terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104793367A (en) | 2015-07-22 |
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