CN206558505U - Light touching display screen and light touching display screen system - Google Patents
Light touching display screen and light touching display screen system Download PDFInfo
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- CN206558505U CN206558505U CN201720234763.1U CN201720234763U CN206558505U CN 206558505 U CN206558505 U CN 206558505U CN 201720234763 U CN201720234763 U CN 201720234763U CN 206558505 U CN206558505 U CN 206558505U
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- display screen
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Abstract
The utility model is related to a kind of smooth touching display screen, and it includes：Array base palte, with pixel region and non-pixel areas；Organic display unit, including some dot structures on pixel region；Light touch control unit, triggers under the light irradiation of specified wavelength and forms position of touch signal；Light touch control unit is integrated in array base palte；Light touch control unit includes some photodiodes being formed in the non-pixel areas of array base palte.Above-mentioned smooth touching display screen, the integrated photodiode on the array base palte of organic display, the illumination of specified wavelength is detected using photodiode and triggers forming position information, so as to realize touch-control, due to by the way of light touch-control, so it can realize at a distance, every do-nothing operation, without being contacted with light touching display screen.Above-mentioned smooth touching display screen, can apply to outdoor touch-control and shows, also or other inconvenient finger touch place；Add its application scenario.The utility model additionally provides a kind of smooth touching display screen system.
Description
Technical field
The utility model is related to technical field of touch control, more particularly to a kind of smooth touching display screen and light touching display screen
System.
Background technology
In recent years, with the fast development and application of information technology, wireless telecommunications and information household appliances, in order to reach more just
Profit, volume are more lightly changed and more humane purpose, the input unit such as the existing traditional keyboard of many information products or mouse,
It is changed into and uses contact panel as input unit.Wherein, touching display screen widely makes as most popular contact panel
With on the consumption electronic products such as personal digital aid (PDA), Smart Phone and satellite navigation.
Current touching display screen (either resistance-type, condenser type, infrared-type or sound wave surface-type) is by identification
Finger contacts front and rear corresponding Parameters variation with touch display screen to judge specific positional information, realizes the purpose of touch-control.But
It is that it can not realize remote-controlled operation, it is impossible to realize every empty touch-control.
Utility model content
Based on this, it is necessary to can be touched for that can not realize in the prior art there is provided one kind every sky every the empty touch-control the problem of
The light touching display screen of control.
A kind of smooth touching display screen, including：
Array base palte, with pixel region and non-pixel areas；
Organic display unit, includes the dot structure of some pixel regions positioned at the array base palte；
Light touch control unit, triggers under the light irradiation of specified wavelength and forms position of touch signal；The smooth touch control unit
Including some photodiodes being formed in the non-pixel areas of the array base palte.
Above-mentioned smooth touching display screen, the integrated photodiode on the array base palte of organic display utilizes photodiode
Detect the illumination of specified wavelength and trigger forming position information, so as to realize touch-control, due to by the way of light touch-control, so can
To realize at a distance, every do-nothing operation, without being contacted with light touching display screen.Above-mentioned smooth touching display screen, can apply to open air
Touch-control shows, also or other inconvenient finger touch place, such as chemical laboratory, chemical workshop；Add touch-control
The application scenario of display screen.In addition, above-mentioned smooth touching display screen, it is not necessary to additionally set one layer of touch screen, can effectively reduce
Integral thickness, and photodiode, preparation technology process simplification can be formed while array base palte is formed.
In one of the embodiments, the dot structure is corresponded with the photodiode and set.
In one of the embodiments, the dot structure includes feux rouges sub-pixel, green glow sub-pixel and blue photons picture
Element；The pixel region of the array base palte has feux rouges thin film transistor (TFT) corresponding with the feux rouges sub-pixel and green glow
The corresponding green glow thin film transistor (TFT) of pixel and blue light thin film transistor (TFT) corresponding with the blue light sub-pixel.
In one of the embodiments, the feux rouges thin film transistor (TFT), green glow thin film transistor (TFT), blue light thin film transistor (TFT),
And the photodiode is arranged in a straight line.
In one of the embodiments, the feux rouges thin film transistor (TFT), green glow thin film transistor (TFT), blue light thin film transistor (TFT),
And the photodiode is located at a square corner respectively.
In one of the embodiments, the threshold current of the photodiode is 8~12mA.
In one of the embodiments, the array base palte is low temperature polysilicon base plate.
In one of the embodiments, the organic display unit is the luminous organic luminescence display unit in top.
The utility model additionally provides a kind of smooth touching display screen system.
A kind of smooth touching display screen system, including smooth touching display screen provided by the utility model and for irradiating
State the optical controller of photodiode.
Above-mentioned smooth touching display screen system, due to comprising smooth touching display screen provided by the utility model, in photocontrol
Under the irradiation of device, trigger corresponding photodiode and produce position signalling, so as to realize at a distance, every empty touch-control.
In one of the embodiments, the optical controller is laser pen.
Brief description of the drawings
Fig. 1 is the cross section structure schematic diagram of the light touching display screen of the embodiment of the utility model one.
Fig. 2 is the thin film transistor (TFT) and the layout viewing of photodiode of Fig. 1 light touching display screen.
Thin film transistor (TFT)s and the row of photodiode of the Fig. 3 for the light touching display screen of another embodiment of the utility model
Butut.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with specific embodiment party
Formula, the utility model is further elaborated.It should be appreciated that embodiment described herein is only to solve
The utility model is released, is not used to limit the utility model.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " bag
Include the arbitrary and all combination of one or more related Listed Items.
Referring to Fig. 1, the light touching display screen 1000 of the embodiment of the utility model one, including array base palte 100, organic display
Unit 200, light touch control unit.
Wherein, it is that organic display unit 200 and light touch control unit provide carrying that the main function of array base palte 100, which is,
Organic display unit 200 is controlled simultaneously.Array base palte 100 has pixel region 101 and non-pixel areas 102.Namely
Say, some pixel regions 101 and some non-pixel areas 102 are marked off on array base palte 110.
Wherein, organic display unit 200 undertakes the effect of display screen in light touching display screen 1000, for showing figure
Picture.Organic display unit 200 is divided into some dot structures, that is to say, that organic display unit 200 is by some dot structure groups
Into dot structure is located at the pixel region 101 of array base palte 100.
In the present embodiment, organic display unit 200 is straticulate structure, specifically includes first electrode layer, the second electricity
Pole layer and the functional structure layer between first electrode layer and the second electrode lay.More specifically, functional structure layer includes sky
Cave implanted layer, hole transmission layer, organic luminous layer, electron transfer layer and electron injecting layer etc..
In the present embodiment, a dot structure is by a feux rouges sub-pixel, a green glow sub-pixel and a blue light
Sub-pixel group into.Accordingly, organic luminous layer is divided into red light district, green Region and blue light region.The luminous organic material of red light district
Feux rouges is sent, the luminous organic material of green Region sends green glow, and the luminous organic material of blue light region sends blue light.That is,
In organic display unit 200, the corresponding part in red light district forms feux rouges sub-pixel, and the corresponding part in green Region forms green glow
Pixel, the corresponding part in blue light region forms blue light sub-pixel.
There is thin film transistor (TFT) 110, further accordingly, thin film transistor (TFT) 110 in the pixel region 101 of array base palte 100
It is divided into feux rouges thin film transistor (TFT) 110a, green glow thin film transistor (TFT) 110b and blue light thin film transistor (TFT) 110c.Feux rouges film crystal
Pipe 110a is correspondingly arranged with feux rouges sub-pixel, for controlling feux rouges sub-pixel；Green glow thin film transistor (TFT) 110b and green glow sub-pixel
It is correspondingly arranged, for controlling green glow sub-pixel；Blue light thin film transistor (TFT) 110c is correspondingly arranged with blue light sub-pixel, for controlling indigo plant
Sub-pixels.
It is, of course, understood that dot structure of the present utility model is not limited to above-mentioned sub-pixel group into this area
Technical staff can set suitable other specific dot structures to constitute according to actual conditions.
Wherein, light touch control unit undertakes the effect of touch screen in light touching display screen 1000, in the specified ripple in the external world
Trigger under the irradiation of long light and form position of touch signal.Light touch control unit is integrated in array base palte 100, specifically, light
Touch control unit is located in the non-pixel areas 102 of array base palte 100.
Specifically, light touch control unit includes some photodiodes being formed in the non-pixel areas 102 of array base palte 100
410.Photodiode 410 (Photo-Diode, abbreviation PD) is the optoelectronic sensor for converting optical signals into electric signal.Light
Electric diode 410 produces photogenerated current, detection electric circuit inspection to its curent change, by letter under the irradiation of the light of specified wavelength
Number processing after get the coordinate position of the point, so as to form position of touch signal, and then realize light touch-control.
In the present embodiment, the threshold current of photodiode is 8~12mA.So can carry photodiode 410
The responsiveness of the high light to specified wavelength, and the responsiveness to other light is reduced, so as to further make photodiode 410
Self-luminous for extraneous ambient light and dot structure does not produce photogenerated current, improves the accuracy of light touch-control.
In the present embodiment, dot structure is corresponded with photodiode 410 and set.That is, each pixel knot
Structure is correspondingly arranged with a photodiode 410.Namely the resolution ratio of light touch-control is identical with the resolution ratio of display.Of course, it is possible to
Understand, dot structure and photodiode 410 be not necessarily intended to correspond set or, those skilled in the art
According to the other suitable settings of actual conditions selection.
For convenience of description, the corresponding thin film transistor (TFT) 110 of a dot structure and the dot structure are correspondingly arranged
Photodiode composition is defined as a minimum resolution cell.
Referring to Fig. 2, in minimum resolution cell, feux rouges thin film transistor (TFT) 110a, green glow thin film transistor (TFT) 110b, blue light are thin
Film transistor 110c and the linear arrangement of photodiode 410.
It is, of course, understood that arrangement form is not limited to above-mentioned form, other forms are can also be.Such as Fig. 3
Shown, feux rouges thin film transistor (TFT) 110a, green glow thin film transistor (TFT) 110b, blue light thin film transistor (TFT) 110c and the pole of photoelectricity two
Pipe 410 is located at a square corner respectively；Namely feux rouges thin film transistor (TFT) 110a, green glow thin film transistor (TFT) 110b, blue light film
Transistor 110c and the arrangement of photodiode 410 are in 2 × 2 rectangular.
In the present embodiment, organic display unit 200 is the luminous organic display unit in top.That is, organic display list
The light direction (direction of dotted arrow in Fig. 1) of member 200 is the direction away from array base palte 100, i.e. organic display unit 200
It is not the side light extraction from array base palte.It is the upside in Fig. 1 due to the side of the reception illumination of light emitting diode 410, namely
The direction of illumination of the light of specified wavelength is the direction of solid arrow in Fig. 1, so can further reduce the spontaneous of dot structure
Influence of the light to photodiode 410.Lighted it is, of course, understood that organic display unit 200 is also not necessarily limited as top
Organic display unit, can also the luminous organic display unit in bottom.
In the present embodiment, array base palte 100 is low temperature polysilicon base plate (LTPS).That is, feux rouges film crystal
Pipe 110a, green glow thin film transistor (TFT) 110b, blue light thin film transistor (TFT) 110c and photodiode 410 are silicon substrate structure.I.e.
The feux rouges thin film transistor (TFT) 110a, green glow thin film transistor (TFT) 110b, blue light thin film transistor (TFT) 110c of the present embodiment are silicon thin film
Transistor, photodiode 410 is silicon photoelectric diode.
It is, of course, understood that array base palte 100 of the present utility model is not limited to low temperature polysilicon base plate, also
Can be other array base paltes.
In order to further protect organic display unit 200 and array base palte 100, in the present embodiment, light touch-control to show
Screen 1000 also includes cover-plate glass 300, and cover-plate glass 300 is covered in one of organic display unit 200 away from array base palte 100
Side.
Above-mentioned smooth touching display screen, the integrated photodiode on the array base palte of organic display utilizes photodiode
Detect the illumination of specified wavelength and trigger forming position information, so as to realize touch-control, due to by the way of light touch-control, so can
To realize at a distance, every do-nothing operation, without being contacted with light touching display screen.Above-mentioned smooth touching display screen, can apply to open air
Touch-control shows, also or other inconvenient finger touch place, such as chemical laboratory, chemical workshop；Add touch-control
The application scenario of display screen.In addition, above-mentioned smooth touching display screen, it is not necessary to additionally set one layer of touch screen, can effectively reduce
Integral thickness, and photodiode, preparation technology process simplification can be formed while array base palte is formed.
The utility model additionally provides a kind of smooth touching display screen system.
A kind of smooth touching display screen system, including smooth touching display screen provided by the utility model and for irradiation light
The optical controller of electric diode.The light for the specified wavelength that optical controller is sent, be irradiated in light touching display screen some or certain
Several photodiodes, these photodiodes produce photogenerated current, detection electric circuit inspection to its curent change, warp under irradiation
Cross after signal transacting and get the coordinate position of the point, so as to form position of touch signal so that realize laser pen it is remote,
Every empty touch controllable function.
In the present embodiment, optical controller is laser pen.So be conducive to it to promote, and the accurate of system can be improved
Degree, it is to avoid maloperation.It is, of course, understood that optical controller of the present utility model is not limited to laser pen, can also be
It is other to send the light source of specified wavelength light.
Above-mentioned smooth touching display screen system, due to comprising smooth touching display screen provided by the utility model, in photocontrol
Under the irradiation of device, so that triggering corresponding photodiode produces position signalling, so as to realize at a distance, every empty touch-control.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of smooth touching display screen, it is characterised in that including：
Array base palte, with pixel region and non-pixel areas；
Organic display unit, includes the dot structure of some pixel regions positioned at the array base palte；
Light touch control unit, triggers under the light irradiation of specified wavelength and forms position of touch signal；The smooth touch control unit includes
Some photodiodes being formed in the non-pixel areas of the array base palte.
2. smooth touching display screen according to claim 1, it is characterised in that the dot structure and the photodiode
Correspond and set.
3. smooth touching display screen according to claim 2, it is characterised in that the dot structure include feux rouges sub-pixel,
Green glow sub-pixel and blue light sub-pixel；The pixel region of the array base palte has feux rouges corresponding with the feux rouges sub-pixel
Thin film transistor (TFT), green glow thin film transistor (TFT) corresponding with the green glow sub-pixel and indigo plant corresponding with the blue light sub-pixel
Optical thin film transistor.
4. smooth touching display screen according to claim 3, it is characterised in that the feux rouges thin film transistor (TFT), green glow film
Transistor, blue light thin film transistor (TFT) and the photodiode are arranged in a straight line.
5. smooth touching display screen according to claim 3, it is characterised in that the feux rouges thin film transistor (TFT), green glow film
Transistor, blue light thin film transistor (TFT) and the photodiode are located at a square corner respectively.
6. the light touching display screen according to claim any one of 1-5, it is characterised in that the threshold value of the photodiode
Electric current is 8~12mA.
7. the light touching display screen according to claim any one of 1-5, it is characterised in that the array base palte is that low temperature is more
Crystal silicon substrate.
8. the light touching display screen according to claim any one of 1-5, it is characterised in that the organic display unit is top
Luminous organic luminescence display unit.
9. a kind of smooth touching display screen system, it is characterised in that shown including the light touch-control described in any one of claim 1~8
Screen and the optical controller for irradiating the photodiode.
10. smooth touching display screen system according to claim 9, it is characterised in that the optical controller is laser pen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720234763.1U CN206558505U (en) | 2017-03-10 | 2017-03-10 | Light touching display screen and light touching display screen system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720234763.1U CN206558505U (en) | 2017-03-10 | 2017-03-10 | Light touching display screen and light touching display screen system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108595050A (en) * | 2018-04-25 | 2018-09-28 | 京东方科技集团股份有限公司 | Touch control display apparatus and its driving method |
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2017
- 2017-03-10 CN CN201720234763.1U patent/CN206558505U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108595050A (en) * | 2018-04-25 | 2018-09-28 | 京东方科技集团股份有限公司 | Touch control display apparatus and its driving method |
| US11086425B2 (en) | 2018-04-25 | 2021-08-10 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Touch display apparatus and driving method therefor |
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