CN205656597U - Touch display screen - Google Patents
Touch display screen Download PDFInfo
- Publication number
- CN205656597U CN205656597U CN201620334930.5U CN201620334930U CN205656597U CN 205656597 U CN205656597 U CN 205656597U CN 201620334930 U CN201620334930 U CN 201620334930U CN 205656597 U CN205656597 U CN 205656597U
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- Prior art keywords
- display screen
- resistance
- film
- display panel
- light
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Abstract
The utility model relates to a display screen technical field especially discloses touch display screen, including liquid crystal board and touch pad, the liquid crystal board includes display panel and board in a poor light, still includes reflection reducing coating, night light membrane and the anti - membrane that overflows, and the night light membrane is located between reflection reducing coating and the touch pad, and the touch pad is located between night light membrane and the display panel, and the anti - membrane that overflows is located between display panel and the board in a poor light, the utility model discloses a reflection reducing coating makes in the external light of display screen gets into the display screen, and then is absorbed by the night light membrane, and behind display screen supply interruption, the night light membrane sends light, ensures that the user also can see the display screen in the environment of dark, the night light membrane is given with the light reflection in the external world on the one hand to the anti - membrane that overflows, and on the other hand gives the display panel with the light reflection in the external world, promotes the luminance of display panel for the user also can see the information that shows screen display and show clearly under the highlight.
Description
Technical field
This utility model relates to display screen technology field, in particular discloses touch display screen.
Background technology
Along with popularizing of smart machine (smart mobile phone, panel computer, automatic navigator etc.), touch screen obtains more and more wider
General application, user commonly used touch screen viewing e-book, when user utilizes touch screen to see e-book at night, for
Power saving, usually can close the light sources such as indoor daylight lamp, if now user needs drink water or process other interim thing
, owing to touch screen is automatically switched off, user can not find the placement location of touch screen often, the most also can accidentally extrude,
Touch touch screen, use extremely inconvenience.
Additionally, when the light in the external world is brighter, user viewing touches the information of screen display the most difficultly, if will
The brightness of touch screen is heightened, and the power consumption that can make again touch screen is too fast, and so, user has to enter touch screen continually
Row charging, can make troubles to user equally.
Summary of the invention
In order to overcome shortcoming and defect present in prior art, the purpose of this utility model is to provide and touches display
Screen, can be luminous in dark environment, can promote brightness in the environment of extraneous high light.
For achieving the above object, touch display screen of the present utility model, including liquid crystal board and touch pad, liquid crystal board includes showing
Show that plate and backlight, touch pad, backlight lay respectively at display panel both sides, also include anti-reflection film, luminescent film and unrestrained anti-film, noctilucence
Film is between anti-reflection film and touch pad, and touch pad is between luminescent film and display panel, and unrestrained anti-film is positioned at display panel and backlight
Between plate.
Preferably, described unrestrained anti-film is provided with multiple projection near the side of display panel.
Preferably, described display screen also include transparent solar panels, transparent solar panels be positioned at anti-reflection film and luminescent film it
Between.
Preferably, described backlight includes printed panel and is installed in the luminous body of printed panel, and printed panel is provided with high voltage to be prevented
Protection circuit, luminous body, touch pad, display panel electrically connect with high-voltage protection circuit respectively.
Preferably, described high-voltage protection circuit includes the first resistance, the second resistance, the first electric capacity, the second electric capacity, voltage stabilizing
Diode and audion, Zener diode connects through the first resistance and the second resistance, and the first resistance is through Zener diode and input
End connects, and the first electric capacity is parallel to the two ends of the second resistance, and the base stage of audion is connected between the first resistance, the second resistance,
The emitter stage of audion is connected between the second resistance, the first electric capacity, and earth terminal is connected to the emitter stage of the second resistance, audion
Between, one end of the second electric capacity is connected between the emitter stage of the second resistance, audion, and the other end of the second electric capacity is connected to three
The colelctor electrode of pole pipe, outfan is connected between the colelctor electrode of the second electric capacity, audion.
Preferably, described touch pad includes that indium oxide tin film, display panel include first substrate, second substrate and be installed in
Liquid crystal between one substrate and second substrate, printed panel is provided with earth terminal, and indium oxide tin film, first substrate, second substrate are respectively
Electrically connect with earth terminal.
Preferably, described backlight also includes convex lens, and convex lens is attached at printed panel, luminous body position in convex lens,
Luminous body position is in the focus of convex lens.
Preferably, described backlight also includes concavees lens, and concavees lens are attached at convex lens.
Preferably, described backlight also includes scattering sheet, and scattering sheet is attached at concavees lens, and concavees lens are positioned at convex lens and dissipate
Between mating plate.
Preferably, described backlight also includes heat conductive filament, and the two ends of heat conductive filament are connected with luminous body, touch pad respectively.
The beneficial effects of the utility model: the light that anti-reflection film of the present utility model makes display screen extraneous enters display screen
In, and then absorbed by luminescent film, after display screen is cut off the electricity supply, luminescent film emits beam, it is ensured that user is at dark environment
In it can be seen that display screen；On the one hand extraneous light is reflected to luminescent film by unrestrained anti-film, on the other hand by anti-for extraneous light
Penetrate to display panel, promote the brightness of display panel so that user also can see the information that display screen shows under high light.
Accompanying drawing explanation
Fig. 1 is decomposition texture schematic diagram of the present utility model；
Fig. 2 is the decomposition texture schematic diagram of backlight of the present utility model；
Fig. 3 is the circuit diagram of high-voltage protection circuit of the present utility model.
Reference includes:
11 touch pad 12 display panel 13 backlight
131 printed panel 132 luminous body 133 convex lenss
134 concavees lens 135 scattering sheet R1 the first resistance
R2 the second resistance C1 the first electric capacity C2 the second electric capacity
ZD Zener diode Q audion 14 anti-reflection film
15 luminescent film 16 overflow the anti-transparent solar panels of film 17.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, below in conjunction with embodiment and accompanying drawing, this utility model is made further
Explanation, the content that embodiment is mentioned is not to restriction of the present utility model.
Referring to Fig. 1, touch display screen of the present utility model, including liquid crystal board and touch pad 11, liquid crystal board includes display
Plate 12 and backlight 13, touch pad 11, backlight 13 lay respectively at both sides before and after display panel 12, also include anti-reflection film 14, night
Light film 15 and unrestrained anti-film 16, luminescent film 15 is between anti-reflection film 14 and touch pad 11, and luminescent film 15 is sticked on touch pad 11,
Anti-reflection film 14 is sticked in luminescent film 15, and touch pad 11 is between luminescent film 15 and display panel 12, and unrestrained anti-film 16 is positioned at display
Between plate 12 and backlight 13, unrestrained anti-film 16 is sticked on display panel 12.
The light that anti-reflection film 14 of the present utility model makes display screen extraneous enters in display screen, and then is inhaled by luminescent film 15
Receiving, after display screen is cut off the electricity supply, luminescent film 15 emits beam, it is ensured that user in dark environment it can be seen that display
Screen；Extraneous light is reflected to luminescent film 15 by unrestrained anti-film 16 1 aspect, on the other hand extraneous light is reflected to display panel
12, promote the brightness of display panel 12 so that user also can see the information of display screen display under high light.
Described unrestrained anti-film 16 is provided with multiple protruding (not shown) near the side of display panel 12, and multiple projections are to each other
Every setting, it is preferable that protruding being shaped as is irregular, protruding size is nanoscale, and so, extraneous entrance touches display screen
Interior light will occur diffuse-reflectance on protruding surface, and the light reflected through unrestrained anti-film 16 enters in display panel 12, it is ensured that
In display panel 12, the light of regional reflection is generally uniform, while promoting display panel 12 brightness, moreover it is possible to avoid display panel
Light and shade hot spot alternately occurs on 12.
Described display screen also include transparent solar panels 17, transparent solar panels 17 be positioned at anti-reflection film 14 and luminescent film 15 it
Between, transparent solar panels 17 can absorb and touch the extraneous light of display screen to power source charges, also can absorb what backlight 13 sent
Light, to power source charges, is substantially reduced the comprehensive power consumption of display screen, effectively extends the cruising time touching display screen.
Referring to Fig. 1, Fig. 2 and Fig. 3, described backlight 13 includes printed panel 131 and is installed in the luminescence on printed panel 131
Body 132, such as, luminous body 132 can be LED(Light Emitting Diode, also known as light emitting diode), printed panel 131
On be provided with high-voltage protection circuit, luminous body 132, touch pad 11, display panel 12 electrically connect with high-voltage protection circuit respectively.
When the input voltage touching display screen exceedes preset value, high-voltage protection circuit automatically cuts off power supply, it is to avoid luminous body 132,
Touch pad 11, display panel 12 damage, and are greatly prolonged the service life touching display screen.
Described high-voltage protection circuit includes the first resistance R1, the second resistance R2, the first electric capacity C1, the second electric capacity C2, steady
Pressure diode ZD and audion Q, Zener diode ZD connect through the first resistance R1 and the second resistance R2, and the first resistance R1 is through voltage stabilizing
Diode ZD is connected with input, and the first electric capacity C1 is connected in parallel on the two ends of the second resistance R2, the base stage of audion Q and the first electricity
Resistance R1, the junction point of the second resistance R2 connect, and the junction point of the emitter stage of audion Q and the second resistance R2, the first electric capacity C1 connects
Connecing, earth terminal and the second resistance R2, the junction point of emitter stage of audion Q connect, one end of the second electric capacity C2 and the second resistance
R2, audion Q emitter stage junction point connect, the other end of the second electric capacity C2 is connected with the colelctor electrode of audion Q, outfan
It is connected with the junction point of the second electric capacity C2, the colelctor electrode of audion Q.
Time actually used, power supply is connected with input, and outfan is connected with controller, and when normally using, audion Q breaks
Opening, when input terminal voltage is higher than preset value, audion Q turns on, and controller is cut off the electricity supply according to the conducting of audion Q, reached
The purpose of high-voltage protection, prevents luminous body 132, touch pad 11, display panel 12 from damaging.
Described touch pad 11 includes that indium oxide tin film (not shown), display panel 12 include that first substrate (does not shows in figure
Go out), second substrate (not shown) and the liquid crystal (not shown) that is installed between first substrate and second substrate, printing
Being provided with earth terminal on plate 131, indium oxide tin film, first substrate, second substrate electrically connect with earth terminal respectively.Touch display screen
After long-time use, indium oxide tin film, first substrate and second substrate all can assemble substantial amounts of electric charge, i.e. touch pad 11 and liquid
Can produce electrostatic on brilliant plate, on the one hand electrostatic can affect the definition of display screen display image, on the other hand also results in touch
Functional failure, by arranging earth terminal, by indium oxide tin film, first substrate and gathering on second substrate on printed panel 131
Electric charge discharges, and then realizes eliminating the purpose of electrostatic.
Referring to Fig. 1 and Fig. 2, described backlight 13 also includes that convex lens 133, convex lens 133 are sticked at printed panel 131
On, in the present embodiment, convex lens 133 substantially semicircular in shape, luminous body 132 is positioned at convex lens 133, i.e. convex lens 133 and is coated with
Luminous body 132 is also sealed in luminous body 132 between printed panel 131 and convex lens 133, and luminous body 132 is positioned at convex lens 133
At focal position, certainly, if the quantity of luminous body 132 is multiple, the quantity of convex lens 133 is similarly multiple, it is ensured that one
Convex lens 133 is coated with a luminous body 132, the most also multiple convex lenss 133 can be joined together to form module.By setting up
Convex lens 133, it is ensured that light ray parallel that luminous body 132 sends injection, the light leakage that the body that prevents from giving out light sends, reduces light
Waste, auxiliary strengthens the brightness of display panel 12 further.
Described backlight 13 also includes that concavees lens 134, concavees lens 134 are sticked on convex lens 133, and convex lens 133 is positioned at
Between luminous body 132 and concavees lens 134, by setting up concavees lens 134, it is ensured that diffuse out from the directional light of convex lens 133 injection
Going, i.e. when light penetrates from concavees lens 134, light is divergent shape, it is ensured that the regional of display panel 12 all can receive light
Line, prevents occurring light and shade speckle alternately on display panel 12, the most also can make to touch display screen and have bigger visible angle.
Described backlight 13 also includes that scattering sheet 135, scattering sheet 135 are sticked at concavees lens 134 away from the one of convex lens 133
Side, concavees lens 134 are between convex lens 133 and scattering sheet 135.By setting up scattering sheet 135, it is ensured that penetrate from concavees lens 134
The light gone out scatters out further, also makes light uniformly mix in scattering sheet 135 simultaneously, is further ensured that display panel 12
Regional all can receive the light of same intensity, prevent that light and shade phenomenon alternately occurs on display panel 12.
Described backlight 13 also includes heat conductive filament's (not shown), the two ends of heat conductive filament respectively with luminous body 132, touch
Plate 11 links together, and by setting up heat conductive filament, give off heat derivation by luminous body 132, on the one hand quickly dispels the heat, prolongs
In the service life of long luminous body 132, the most also improve the temperature of touch pad 11, in colder outdoor, it is to avoid touch pad
Frosting or fogging on 11 and smudgy.Preferably, the material of heat conductive filament is silver, in common metal, and the heat conductivity of silver
The highest, it is 429 W/mK, it is ensured that the heat that luminous body 132 sends can be conducted by heat conductive filament rapidly.
Claims (10)
1. touching display screen, including liquid crystal board and touch pad, liquid crystal board includes that display panel and backlight, touch pad, backlight are divided
It is not positioned at display panel both sides, it is characterised in that: also including anti-reflection film, luminescent film and unrestrained anti-film, luminescent film is positioned at anti-reflection film and touches
Between template, touch pad is between luminescent film and display panel, and unrestrained anti-film is between display panel and backlight.
Touch display screen the most according to claim 1, it is characterised in that: described unrestrained anti-film is provided with near the side of display panel
Multiple projections.
Touch display screen the most according to claim 1, it is characterised in that: described display screen also includes transparent solar panels,
Transparent solar panels are between anti-reflection film and luminescent film.
Touch display screen the most according to claim 1, it is characterised in that: described backlight includes printed panel and is installed in print
The luminous body of brush board, printed panel is provided with high-voltage protection circuit, and luminous body, touch pad, display panel are electric with high-voltage protection respectively
Road electrically connects.
Touch display screen the most according to claim 4, it is characterised in that: described high-voltage protection circuit includes the first electricity
Resistance, the second resistance, the first electric capacity, the second electric capacity, Zener diode and audion, Zener diode is through the first resistance and the second electricity
Resistance connects, and the first resistance is connected with input through Zener diode, and the first electric capacity is parallel to the two ends of the second resistance, audion
Base stage is connected between the first resistance, the second resistance, and the emitter stage of audion is connected between the second resistance, the first electric capacity, connects
Ground end is connected between the emitter stage of the second resistance, audion, and one end of the second electric capacity is connected to the second resistance, the sending out of audion
Between emitter-base bandgap grading, the other end of the second electric capacity is connected to the colelctor electrode of audion, and outfan is connected to the collection of the second electric capacity, audion
Between electrode.
Touch display screen the most according to claim 4, it is characterised in that: described touch pad includes indium oxide tin film, display
Plate includes first substrate, second substrate and the liquid crystal being installed between first substrate and second substrate, and printed panel is provided with earth terminal,
Indium oxide tin film, first substrate, second substrate electrically connect with earth terminal respectively.
Touch display screen the most according to claim 4, it is characterised in that: described backlight also includes convex lens, convex lens
Being attached at printed panel, luminous body position is in convex lens, and luminous body position is in the focus of convex lens.
Touch display screen the most according to claim 7, it is characterised in that: described backlight also includes concavees lens, concavees lens
It is attached at convex lens.
Touch display screen the most according to claim 8, it is characterised in that: described backlight also includes scattering sheet, scattering sheet
Being attached at concavees lens, concavees lens are between convex lens and scattering sheet.
Touch display screen the most according to claim 4, it is characterised in that: described backlight also includes heat conductive filament, heat conductive filament
Two ends be connected with luminous body, touch pad respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620334930.5U CN205656597U (en) | 2016-04-20 | 2016-04-20 | Touch display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620334930.5U CN205656597U (en) | 2016-04-20 | 2016-04-20 | Touch display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205656597U true CN205656597U (en) | 2016-10-19 |
Family
ID=57390235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620334930.5U Expired - Fee Related CN205656597U (en) | 2016-04-20 | 2016-04-20 | Touch display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205656597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112017604A (en) * | 2019-05-31 | 2020-12-01 | 京东方科技集团股份有限公司 | Driving method, driving device, display device and computer readable storage medium |
-
2016
- 2016-04-20 CN CN201620334930.5U patent/CN205656597U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112017604A (en) * | 2019-05-31 | 2020-12-01 | 京东方科技集团股份有限公司 | Driving method, driving device, display device and computer readable storage medium |
| CN112017604B (en) * | 2019-05-31 | 2022-07-08 | 京东方科技集团股份有限公司 | Driving method, driving device, display device and computer readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 |