CN102419674A - Plane display device and substrate for integrating electromagnetic type induction input - Google Patents
Plane display device and substrate for integrating electromagnetic type induction input Download PDFInfo
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- CN102419674A CN102419674A CN2010102999290A CN201010299929A CN102419674A CN 102419674 A CN102419674 A CN 102419674A CN 2010102999290 A CN2010102999290 A CN 2010102999290A CN 201010299929 A CN201010299929 A CN 201010299929A CN 102419674 A CN102419674 A CN 102419674A
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Abstract
The invention relates to a plane display device and a thin-film transistor array substrate for integrating an electromagnetic type induction input. The plane display device for integrating the electromagnetic type induction input comprises a display panel and a signal processing unit, wherein the display panel is provided with a display unit and an electromagnetic induction unit; the display unit and the electromagnetic induction unit are integrated on a substrate of the display panel; and the signal processing unit is used for receiving and processing signals which are transmitted by the electromagnetic induction unit. The thin-film transistor array substrate for integrating the electromagnetic type induction input, provided by the invention, comprises a transparent substrate, wherein a plurality of pixel units are located on the transparent substrate and a plurality of induction units are located on the transparent substrate; each pixel unit is provided with a first thin-film transistor and a pixel element; and each induction unit is provided with a first second thin-film transistor and an induction coil. According to the technical scheme provided by the invention, the weight and the cost are reduced and the problem of no contrapositions is solved.
Description
Technical field
The present invention relates to a kind of flat display apparatus, particularly relate to a kind of flat display apparatus and thin-film transistor array base-plate of integrating electromagnetic type induction input with input function.
Background technology
The contact panel technology of integrating touch technology entering display is the important development trend of current display technique.Compare with the traditional monitor of Presentation Function only can be provided, use the display of contact panel to constitute the communication interface (being interface) between user and the main frame.That is the user is when watching the display content displayed, can utilize information (being information) that the input function input of contact panel wants to import to main frame.Therefore contact panel can fully perhaps at least partly replace general input media commonly used, for example keyboard, mouse (being slide-mouse) etc.The contact panel technology extensively is integrated into flat-panel screens at present; LCD (Liquid Crystal Display for example; LCD), plasma scope (Plasma Display Panel, PDP, i.e. plasma display panel), electroluminescent display (Electroluminescernce Display), OLED (Organic LightEmitting Display; OLED) and electric paper display (Electronic Paper Display, EPD) etc.
Touch technology depends on the contactant kind; For example user's finger, digital pen (Digital Pen; Be digital pen) or time writer (Stylus) etc.; And the deciding means of contacting points position, for example contactant when operation near position or distance etc., touch-control or input technology are divided into resistance-type (Resistive-type), condenser type (Capacitive-type), electromagnetic type (Electromagnetic-type) and infrared ray interrupter-type touch technologies such as (Infrared-type).
Resistance-type, condenser type or infrared-type touch technology are though its advantage is to carry out input operation with hand or any contactant.But be directed to the application of writing, the application that just utilizes pen to write then has its difficulty.This is because general writing style, and palm can be positioned over surface of contact, and resistance-type, condenser type or infrared-type touch technology can't be distinguished out the position of palm or pen, thereby causes in the position of differentiating pen its difficulty is arranged.In addition, resistance-type or capacitance type touch-control panel are positioned over the display top, can cause the problem that light descends and the reflection of external environment light is risen that penetrates of display, have a strong impact on the optical characteristics of display.
The electromagnetic type input technology generally is applied to the coordinate entering device (being coordinates of input devices) of computer peripheral, for example digiboard (Digitizer, i.e. numerical digit plate).This coordinate entering device comprises a plurality of compact arranged inductive coil arranged along X and Y axle or antenna usually and constitutes the time writer that an induction antenna plate and a position indicator device for example contain a resonance circuit (Resonance Circuit).The coordinate of the input position for example position of position indicator device transmits by the electromagnetic wave between position indicator device resonant circuit and the inductive coil and receives acquisition.The application that the electromagnetic type writing technology is integrated into display has the trend that increases gradually; It mainly is the electromagnetic type writing technology; Even palm is positioned on the display face of writing; Still can determine the position of time writer, and, not influence the optical characteristics of display because the induction antenna plate is positioned over the rear of display.So the electromagnetic type writing technology is the best writing technology of collocation display.But the development trend of current flat-panel screens all is with light, Bao Weizhu, no matter be large-sized flat-surface television or undersized Electronic Paper (EPD) display.Though the electromagnetic induction antenna plate is placed the advantage that the display rear has does not influence display optics characteristic; But still must increase additional antennae printed circuit board (PCB) (PCB); Make the weight and the cost of flat-panel screens all increase, and on making, the problem of display panel and the contraposition of electromagnetic induction antenna plate or the problem of display narrow edge position judgment are arranged also.
This shows that above-mentioned existing display obviously still has inconvenience and defective, and demands urgently further improving.In order to solve the problem of above-mentioned existence; Relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly; But do not see always that for a long time suitable design is developed completion, and general touch technology can not address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of flat display apparatus and thin-film transistor array base-plate of integration electromagnetic type induction input of new structure, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Summary of the invention
A purpose of the present invention is; Overcome the defective that existing display exists; And the integration electromagnetic type that proposes a kind of new structure is responded to the flat display apparatus and the thin-film transistor array base-plate of input; Technical matters to be solved comprises: omit extra electromagnetic type induction antenna plate, thereby reduce weight and cost and do not have the problem in the contraposition, be very suitable for practicality.
The technical matters of the object of the invention and solution adopts following technical scheme to realize.According to the present invention a kind of flat display apparatus of integrating electromagnetic type induction input is proposed.The flat display apparatus of integrating electromagnetic type induction input comprises a display panel and a signal processing unit.This display panel comprises a display unit and an electromagnetic induction unit; This display unit comprises a plurality of pixel cells; Pixel cell has the first film transistor AND gate pixel element; The transistorized grid of the first film is connected to gate line, and the transistorized source electrode of the first film is connected to source electrode line, and the first film transistor drain is connected to pixel element.This electromagnetic induction unit comprises a plurality of sensing units; Sensing unit has second thin film transistor (TFT) and inductive coil; The grid of second thin film transistor (TFT) is connected to gate line, and the source electrode of second thin film transistor (TFT) is connected to inductive coil, and the first film transistor drain is connected to sense wire.This signal processing unit receives and handles the signal that the electromagnetic induction unit transmits.
The object of the invention and solve its technical matters and also can adopt following technical measures further to realize.
Preferably, aforesaid flat display apparatus, wherein this display panel comprise a panel of LCD, an OLED panel or an Electronic Paper panel one of them.
Preferably, aforesaid flat display apparatus, wherein this pixel element comprises the pixel electrode element that is made up of the indium tin oxide transparent conducting metal.
Preferably, aforesaid flat display apparatus, wherein each this sensing unit correspondence is disposed at each this pixel cell.
Preferably, aforesaid flat display apparatus, wherein each this sensing unit correspondence is disposed at each blue pixel cell in this pixel cell.
Preferably, aforesaid flat display apparatus, wherein each this inductive coil is around red, the green and blue pixel cell in this pixel cell.
Preferably, aforesaid flat display apparatus, wherein each this sensing unit correspondence is disposed at each white pixel unit in this pixel cell.
Preferably, aforesaid flat display apparatus, wherein each this inductive coil is around red, green, blue in this pixel cell and white pixel unit.
Preferably, aforesaid flat display apparatus, wherein this display panel more comprises a thin-film transistor array base-plate, and this display unit and this electromagnetic induction unit are positioned on this thin-film transistor array base-plate.
Preferably, aforesaid flat display apparatus, wherein this thin-film transistor array base-plate comprises a bendable substrate.
The object of the invention and solve its technical matters and also adopt following technical scheme to realize.According to a kind of thin-film transistor array base-plate of integrating electromagnetic type induction input provided by the invention, this thin-film transistor array base-plate comprises:
One transparency carrier;
A plurality of pixel cells are positioned on this transparency carrier; Each this pixel cell has a first film transistor AND gate one pixel element; The transistorized grid of this first film is connected to a gate line; The transistorized one source pole of this first film is connected to the one source pole line, and the transistorized drain electrode of this first film is connected to this pixel element; And
A plurality of sensing units are positioned on this transparency carrier; Each this sensing unit has one second thin film transistor (TFT) and an inductive coil; One grid of this second thin film transistor (TFT) is connected to this gate line; The one source pole of this second thin film transistor (TFT) is connected to this inductive coil, and the transistorized drain electrode of this first film is connected to a sense wire;
Wherein this gate line is connected to a gate drivers, and this source electrode line is connected to the one source pole driver.
Preferably, aforesaid thin-film transistor array base-plate, wherein this transparency carrier comprises a transparent glass substrate.
Preferably, aforesaid thin-film transistor array base-plate, wherein this thin-film transistor array base-plate is one to be applied to penetration display, semi-penetration, semi-reflective or reflected displaying device one thin-film transistor array base-plate wherein.
Preferably, aforesaid thin-film transistor array base-plate, wherein this thin-film transistor array base-plate comprise one be applied to the Electronic Paper panel thin-film transistor array base-plate.
Preferably, aforesaid thin-film transistor array base-plate, wherein each this sensing unit correspondence is disposed at each blue pixel cell in this pixel cell.
Preferably, aforesaid thin-film transistor array base-plate, wherein each this inductive coil is around red, the green and blue pixel cell in this pixel cell.
Preferably, aforesaid thin-film transistor array base-plate, wherein each this sensing unit correspondence is disposed at each white pixel unit in this pixel cell.
Preferably, aforesaid thin-film transistor array base-plate, wherein each this inductive coil is around red, green, blue in this pixel cell and white pixel unit.
The present invention compared with prior art has tangible advantage and beneficial effect.By technique scheme, the present invention has advantage and beneficial effect at least:
1. can omit extra electromagnetic type induction antenna plate, thereby reduce weight and cost and do not have the problem in the contraposition.
2. be integrated in the display pixel through thin film transistor (TFT) and the inductive coil return wire that control is read, reduced weight and cost and do not had the problem in the contraposition
In sum, the present invention has reduced weight and cost and has not had the problem in the contraposition, and the present invention has obvious improvement technically, and has tangible good effect, really is a novelty, progress, practical new design.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention; Understand technological means of the present invention in order can more to know; And can implement according to the content of instructions, and for let of the present invention above-mentioned with other purposes, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
Figure 1A is the function structure calcspar that the present invention integrates an embodiment of electromagnetic type induction input plane display device.
Figure 1B is the function structure calcspar that the present invention integrates another embodiment of electromagnetic type induction input plane display device.
Fig. 2 is the pixel cell of display unit in one embodiment of the invention and the sensing unit of electromagnetic induction unit.
Fig. 3 is the pixel cell of display unit in another embodiment of the present invention and the sensing unit of electromagnetic induction unit.
Fig. 4 is the pixel cell of display unit in further embodiment of this invention and the sensing unit of electromagnetic induction unit.
101 main frames, 102 control modules
103 control/signal processing units, 104 signal processing units
106 driving circuits, 108 display panels
110 display units, 112 electromagnetic induction unit
202 gate lines, 204 source electrode lines
206 sense wires, 208 thin film transistor (TFT)s
210 thin film transistor (TFT)s, 212 pixel electrode elements
214 inductive coils, 302 gate lines
304 source electrode lines, 306 sense wires
308 thin film transistor (TFT)s, 310 thin film transistor (TFT)s
312a-312c pixel electrode element 314 inductive coils
406 sense wires, 410 thin film transistor (TFT)s
412a-412d pixel electrode element 414 inductive coils
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To the flat display apparatus and embodiment, structure, characteristic and the effect thereof of thin-film transistor array base-plate of the integration electromagnetic type induction input that proposes according to the present invention, specify as after.Yet except following description, the present invention can also be widely implements at other embodiment, and scope of the present invention do not receive the qualification of embodiment, its with after claim be as the criterion.Moreover for clearer description being provided and being more readily understood the present invention, graphic interior each several part is not drawn according to its relative size, and some size is compared with other scale dependents and exaggerated; Incoherent detail section is not drawn fully yet, in the hope of graphic succinct.
Figure 1A shows that the present invention integrates the function structure calcspar of an embodiment of electromagnetic type induction input plane display device.In this embodiment, the present invention integrates the electromagnetic type flat display apparatus and comprises a control module 102, a signal processing unit 104, one drive circuit 106, a display panel 108.Display panel 108 comprises a display unit 110 and an electromagnetic induction unit 112.The electromagnetism indicator device comprises digital pen (digital pen) or time writer (stylus).When the electromagnetism indicator device near display panel 108; The antenna of electromagnetism indicator device and electromagnetic induction unit 112 or inductive coil reciprocation are to transmit and receiving electromagnetic signals, and the signal that electromagnetic induction unit 112 receives sends back main frame 101 after signal processing unit 104 is handled.For display message, the control signal that main frame 101 executive routines are desired program display frame is sent to control module 102 through output/input interface, and through control module 102 control signal is sent to driving circuit 106.Control module 102 comprises time schedule controller (timingcontroller).Driving circuit 106 comprises gate drivers (gate driver, i.e. gate pole driver) and source electrode driver (source driver) etc.Signal processing unit 104 comprises signal amplification circuit (signal amplifier), detecting phase circuit (phase detector) and analogy digital conversion circuit (analog to digital converter; Be the analog/digital change-over circuit) etc., but be not limited to aforementioned person.Desire the control signal of display frame according to the program of main frame 101 execution and send pixel thin film transistor (the thin film transistor that clock signal makes gate drivers and source electrode driver unlatching display unit 110 in regular turn through time schedule controller; TFT, i.e. pixel thin film electric crystal) switch is so that the pixel cell of display unit 110 is carried out display action.Since the switch of the antenna of electromagnetic induction unit 112 or inductive coil by with the shared identical gate line of the pixel thin film transistor switch of display unit 110 (being gate line); Therefore when the pel array of display unit 110 carries out frame updating or scanning by control module 102 control Driver Circuit 106 with driving grid driver and source electrode driver; The antenna of electromagnetic induction unit 112 or the switch of inductive coil are also opened; Be that electromagnetic induction unit 112 carries out the scanning of antenna or inductive coil in company with display unit 110 frame updatings, and the signal of antenna or inductive coil reception is sent to signal processing unit 104.That is the location of electromagnetism indicator device sees through driving circuit 106 by control module 102 and opens film crystal tube grids (being gate), makes the signal input pixel cell of display panel on the one hand, reads the signal of x axle on the one hand from sense wire.And signal processing unit 103 receives that driving circuit 106 opens the film crystal tube grids and obtain the y shaft position of electromagnetism indicator device, and reading different x axles by sense wire simultaneously has signal, obtains the position of x axle by different x axis signals.The function structure of integrating electromagnetic type induction input plane display device among Figure 1A is merely example and unrestricted, and all other do not break away from various equivalences that disclosed spirit accomplishes and change or modify in the scope that all is encompassed in the present invention and is disclosed.
Figure 1B shows that the present invention integrates the function structure calcspar of another embodiment of electromagnetic type induction input plane display device.In this embodiment, the present invention integrates the electromagnetic type flat display apparatus and comprises a control/signal processing unit 103, driving circuit 106, display panel 108.Control/signal processing unit 103 comprises microcontroller, and (Micro-controller Unit MCU) and time schedule controller, signal amplification circuit, detecting phase circuit and analogy digital conversion circuit etc., but is not limited to aforementioned person.Driving circuit 106 comprises gate drivers and source electrode driver etc.When the electromagnetism indicator device near display panel 108; The electromagnetic signal that the antenna of electromagnetism indicator device and electromagnetic induction unit 112 or inductive coil reciprocation produce; Be sent to control/signal processing unit 103 by electromagnetic induction unit 112, and after control/signal processing unit 103 is handled, send back main frame 101.The control signal that the program of carrying out according to main frame 101 is desired display frame see through time schedule controller send clock signal make gate drivers and source electrode driver open the pixel thin film transistor of display unit 110 in regular turn (thin film transistor, TFT) switch is so that the pixel cell of display unit 110 is carried out display action.Gate drivers is responsible for the switch motion of display panel 108 every column signals; When display panel 108 carries out one time one row and do down by row scanning when moving; Control/signal processing unit 103 control Driver Circuit 106 cooperate gate drivers and open a permutation switch on the gate line, let source electrode driver carry out the signal input action.Source electrode driver is responsible for the input action of display panel 108 every capable pixel (being picture element) signals, and when gate drivers was opened a permutation switch, source electrode driver cooperated this row pixel information voltage of input immediately, and the display frame desired signal is provided.The antenna of electromagnetic induction unit 112 or the switch of inductive coil and the shared identical gate line of the pixel thin film transistor switch of display unit 110; Therefore when the pel array of display unit 110 carries out frame updating or scanning by control/signal processing unit 103 control Driver Circuit 106 with driving grid driver and source electrode driver; The antenna of electromagnetic induction unit 112 or the switch of inductive coil are also opened; Be that electromagnetic induction unit 112 carries out the scanning of antenna or inductive coil in company with display unit 110; And the signal that antenna or inductive coil are received is sent to control/signal processing unit 103, and behind the coordinate position of control/signal processing unit 103 processing calculating electromagnetism indicator devices, sends back main frame 101.The function structure of integrating electromagnetic type induction input plane display device among Figure 1B is merely example and unrestricted, and all other do not break away from various equivalences that disclosed spirit accomplishes and change or modify in the scope that all is encompassed in the present invention and is disclosed.
In one embodiment of this invention, display panel 108 is a panel of LCD.The display panel 108 of electromagnetic type induction input plane display device of the present invention comprises a thin-film transistor array base-plate (TFT-Array Substrate), a colored filter substrate (Color Filter Substrate).Thin-film transistor array base-plate and colored filter substrate comprise particularly transparent glass substrate of transparency carrier, filling liquid crystal between thin-film transistor array base-plate and the colored filter substrate.Thin-film transistor array base-plate is simultaneously gone up towards liquid crystal and is formed the thin film transistor (TFT) pixel unit array; Each pixel cell is by a thin-film transistor element and a tin indium oxide (Indium Tin Oxide; ITO) the transparent conductive metal zone constitutes, and the pixel unit array of the huge marshalling of quantity promptly constitutes the panel viewing area.Colored filter substrate simultaneously posts colored filter towards liquid crystal, tin indium oxide transparent conductive metal layer is then arranged as common electrode (common electrode) on the colored filter.
Fig. 2 shows the pixel cell of display unit 110 in one embodiment of the invention and the sensing unit of electromagnetic induction unit 112.The pixel cell of display unit comprises a thin film transistor (TFT) and a pixel element.If display panel 108 is a panel of LCD, then the pixel cell of display unit 110 comprises a thin film transistor (TFT) 208 and a pixel electrode element 212.Thin film transistor (TFT) 208 connects grid by a gate line (gateline) 202 and control is opened and connect source electrode by one source pole line (source line) 204, and the drain electrode of thin film transistor (TFT) 208 (being drain) then is connected to pixel electrode element 212.When gate drivers provides voltage to gate line; Thin film transistor (TFT) 208 grids make source electrode driver drive source electrode provides electronics to get into pixel electrode element 212; After electron amount reached predetermined numerical value, gate drivers stops to drive made electronics remain on pixel electrode element 212 to close thin film transistor (TFT) 208.The electric capacity of pixel electrode element 212 for constituting by the indium tin oxide transparent conducting metal; When gate drivers transmission grating polar curve provides voltage in thin film transistor (TFT) 208; Produce electric field in the pixel electrode element 212 between two electrodes liquid crystal between thin-film transistor array base-plate and the colored filter substrate is turned to, on front console, produce a pixel after the light that is provided by the module backlight behind the panel of LCD passes liquid crystal.Colored filter gives each pixel specific color, in conjunction with each different colours pixel demonstrated is exactly the image that shows on the panel.The sensing unit of electromagnetic induction unit 112 comprises a thin film transistor (TFT) 210 and an inductive coil 214.Thin film transistor (TFT) 210 connects grid by gate line 202 equally and control is opened and connect drain electrode by a sense wire (Readout Line) 206, and the source electrode of thin film transistor (TFT) 210 then is connected to inductive coil 214.When the gate line on the thin-film transistor array base-plate 202 provides voltage to open thin film transistor (TFT) 208 and thin film transistor (TFT) 210 in regular turn by gate drivers; When sending electromagnetic electromagnetism indicator device near inductive coil 214; Inductive coil 214 can produce induction current, induction current is read and is sent to signal processing unit 104 by sense wire 206 again.Because gate line 202 and sense wire 206 are to be in the layout of on the thin-film transistor array base-plate in advance, that is its position be for can knowing in advance, so when electromagnetism indicator device during near display panel 108, the faradic position that reads can be learnt thus.When sense wire 206 has all after faradic position reads,, can determine the electromagnetism indicator device to be positioned at more accurate position on the display panel 108 by the distribution of judging the induction current size.Foregoing omits and belongs to the incoherent part of convention beyond the embodiment of the present invention principal character.The abridged part can be used any relevant known techniques and implements in the present embodiment, and any skilled person all can be according to general technology level embodiment of the present invention.
The electromagnetism indicator device comprises the electromagnetism indicator device of active and passive type.If passive type or do not have battery electromagnetism indicator device; Control module 102 can see through sense wire 206 and inductive coil 214 or other modes and send electromagnetic signal and inductive coil 214 and resonant circuit in the no battery electromagnetism indicator device are produced resonate to there being battery electromagnetism indicator device; And transmit the sensing unit array of electromagnetic signal to electromagnetic induction unit 112 by the resonant circuit of no battery electromagnetism indicator device; The electromagnetic signal that no battery electromagnetism indicator device position inductive coil 214 is the strongest with receiving intensity is positioned at the position on the display panel 108 to judge decision electromagnetism indicator device.
Though the inductive coil 214 that shows among Fig. 2 is single loop, inductive coil 214 is not limited to single loop.The loop number of inductive coil 214 the more, when the electromagnetism indicator device near the time induction current that produced stronger.But for the panel of LCD of penetration and since the loop number the more loop lead area occupied also increase, the panel penetrance then can reduce the problem that causes brightness to reduce.But for the panel of LCD of non-penetrating type; For example OLED (OLED) panel and Electronic Paper (EPD) panel; Say the reflective Electronic Paper panel or the OLED panel of active illuminating formula more accurately, then do not have the problem that brightness reduces.Because the manufacturing process of thin film transistor (TFT) 210, inductive coil 214 and the sense wire 206 of sensing unit can be integrated with existing component manufacturing process such as thin film transistor (TFT) 208, therefore can omit extra light shield.Because of thin film transistor (TFT) 210 is connected gate line 202 jointly with thin film transistor (TFT) 208, so thin film transistor (TFT) 210 can be formed on the thin-film transistor array base-plate with thin film transistor (TFT) 208 simultaneously.Inductive coil 214 then can be arranged in the thin-film transistor array base-plate single or multiple lift, and sense wire 206 also can form with source electrode line 204 simultaneously, but is not limited thereto.In addition, thin-film transistor array base-plate can be the substrate of bendable (Flexible).Application of the present invention is not limited to penetration (transmissive) display, also can be applicable to semi-penetration, semi-reflective (Transflective) and reflective (reflective) display.
Fig. 3 shows the pixel cell of display unit 110 in another embodiment of the present invention and the sensing unit of electromagnetic induction unit 112.Different with embodiment shown in Figure 2 is that the inductive coil scope comprises three pixels or sub-pixel.As shown in Figure 3, red (Red) of display unit 110, green (Green), blue (Blue) pixel cell respectively comprise a thin film transistor (TFT) 308 and a pixel electrode element 312a, 312b or 312c.Thin film transistor (TFT) 308 connects grid by a gate line 302 and control is opened and connect source electrode by one source pole line 304, and the drain electrode of thin film transistor (TFT) 308 then is connected to pixel electrode element 312a, 312b or 312c.The sensing unit of electromagnetic induction unit 112 comprises a thin film transistor (TFT) 310 and an inductive coil 314.Thin film transistor (TFT) 310 places B (indigo plant) pixel cell.Thin film transistor (TFT) 310 connects grid by gate line 302 equally and control is opened and connect drain electrode by a sense wire 306, and the source electrode of thin film transistor (TFT) 310 then is connected to inductive coil 314.314 of inductive coils are around the red, green, blue pixel cell.For the panel of LCD of penetration, inductive coil 314 loop lead area occupied shown in Figure 3 reduce, and can reduce the panel penetrance and reduce the problem that causes brightness to reduce.
Fig. 4 shows the pixel cell of display unit 110 in further embodiment of this invention and the sensing unit of electromagnetic induction unit 112.As shown in Figure 4, the red, green, blue of display unit 110, white (White) pixel cell respectively comprise a thin film transistor (TFT) and a pixel electrode element 412a, 412b, 412c or 412d.The sensing unit of electromagnetic induction unit 112 comprises a thin film transistor (TFT) 410 and an inductive coil 414.Thin film transistor (TFT) 410 connects grid by gate line equally and control is opened and connect drain electrode by a sense wire 406, and the source electrode of thin film transistor (TFT) 410 then is connected to inductive coil 414.For the panel of LCD of penetration, thin film transistor (TFT) 410 is placed W (in vain) pixel cell and makes inductive coil 414 loop conductor loops around four pixel cells, can further reduce the panel penetrance and reduce the problem that causes brightness to reduce.Above-mentioned pixel cell and sensing unit layout are merely example and unrestricted, and other various equivalences that do not break away from disclosed spirit change or modify in the scope that all is encompassed in the present invention and is disclosed.
The present invention propose one integrate electromagnetic type induction input flat display apparatus, omitting extra electromagnetic type induction antenna plate, thereby reduce weight and cost and do not have the problem in the contraposition.The thin film transistor (TFT) and the inductive coil return wire that in addition control are read are integrated in the display pixel, thereby reduce weight and cost and do not have the problem in the contraposition.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the method for above-mentioned announcement capable of using and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations; In every case be the content that does not break away from technical scheme of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (18)
1. integrate the flat display apparatus that the electromagnetic type induction is imported for one kind, it is characterized in that this device comprises:
One display panel, this display panel comprises: a display unit and an electromagnetic induction unit;
This display unit comprises a plurality of pixel cells; This pixel cell has a first film transistor AND gate one pixel element; The transistorized grid of this first film is connected to a gate line; The transistorized one source pole of this first film is connected to the one source pole line, and the transistorized drain electrode of this first film is connected to this pixel element;
This electromagnetic induction unit comprises a plurality of sensing units; This sensing unit has one second thin film transistor (TFT) and an inductive coil; One grid of this second thin film transistor (TFT) is connected to this gate line; The one source pole of this second thin film transistor (TFT) is connected to this inductive coil, and the transistorized drain electrode of this first film is connected to a sense wire; And
One signal processing unit, this signal processing unit receive and handle the signal that this electromagnetic induction unit transmits.
2. flat display apparatus as claimed in claim 1, it is characterized in that wherein this display panel comprise a panel of LCD, an OLED panel or an Electronic Paper panel one of them.
3. flat display apparatus as claimed in claim 1 is characterized in that this pixel element wherein comprises the pixel electrode element that is made up of the indium tin oxide transparent conducting metal.
4. flat display apparatus as claimed in claim 1 is characterized in that wherein each this sensing unit correspondence is disposed at each this pixel cell.
5. flat display apparatus as claimed in claim 1 is characterized in that wherein each this sensing unit correspondence is disposed at each blue pixel cell in this pixel cell.
6. flat display apparatus as claimed in claim 1 is characterized in that wherein each this inductive coil is around red, the green and blue pixel cell in this pixel cell.
7. flat display apparatus as claimed in claim 1 is characterized in that wherein each this sensing unit correspondence is disposed at each white pixel unit in this pixel cell.
8. flat display apparatus as claimed in claim 1 is characterized in that wherein each this inductive coil is around red, green, blue in this pixel cell and white pixel unit.
9. flat display apparatus as claimed in claim 1 is characterized in that wherein this display panel more comprises a thin-film transistor array base-plate, and this display unit and this electromagnetic induction unit are positioned on this thin-film transistor array base-plate.
10. flat display apparatus as claimed in claim 9 is characterized in that wherein this thin-film transistor array base-plate comprises a bendable substrate.
11. a thin-film transistor array base-plate of integrating electromagnetic type induction input is characterized in that this thin-film transistor array base-plate comprises:
One transparency carrier;
A plurality of pixel cells are positioned on this transparency carrier; Each this pixel cell has a first film transistor AND gate one pixel element; The transistorized grid of this first film is connected to a gate line; The transistorized one source pole of this first film is connected to the one source pole line, and the transistorized drain electrode of this first film is connected to this pixel element; And
A plurality of sensing units are positioned on this transparency carrier; Each this sensing unit has one second thin film transistor (TFT) and an inductive coil; One grid of this second thin film transistor (TFT) is connected to this gate line; The one source pole of this second thin film transistor (TFT) is connected to this inductive coil, and the transistorized drain electrode of this first film is connected to a sense wire;
Wherein this gate line is connected to a gate drivers, and this source electrode line is connected to the one source pole driver.
12. thin-film transistor array base-plate as claimed in claim 11 is characterized in that wherein this transparency carrier comprises a transparent glass substrate.
13. thin-film transistor array base-plate as claimed in claim 11 is characterized in that this thin-film transistor array base-plate wherein is one to be applied to penetration display, semi-penetration, semi-reflective or reflected displaying device one thin-film transistor array base-plate wherein.
14. thin-film transistor array base-plate as claimed in claim 11, it is characterized in that this thin-film transistor array base-plate wherein comprise one be applied to the Electronic Paper panel thin-film transistor array base-plate.
15. thin-film transistor array base-plate as claimed in claim 11 is characterized in that wherein each this sensing unit correspondence is disposed at each blue pixel cell in this pixel cell.
16. thin-film transistor array base-plate as claimed in claim 15 is characterized in that wherein each this inductive coil is around red, the green and blue pixel cell in this pixel cell.
17. thin-film transistor array base-plate as claimed in claim 11 is characterized in that wherein each this sensing unit correspondence is disposed at each white pixel unit in this pixel cell.
18. thin-film transistor array base-plate as claimed in claim 17 is characterized in that wherein each this inductive coil is around red, green, blue in this pixel cell and white pixel unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010299929.0A CN102419674B (en) | 2010-09-28 | 2010-09-28 | Plane display device and substrate for integrating electromagnetic type induction input |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010299929.0A CN102419674B (en) | 2010-09-28 | 2010-09-28 | Plane display device and substrate for integrating electromagnetic type induction input |
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| CN102419674A true CN102419674A (en) | 2012-04-18 |
| CN102419674B CN102419674B (en) | 2014-04-30 |
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| CN103064536A (en) * | 2012-12-14 | 2013-04-24 | 苏州瀚瑞微电子有限公司 | Wireless touch pen system |
| US20140049882A1 (en) * | 2012-08-17 | 2014-02-20 | E Ink Holdings Inc. | Display panel having wireless charging function |
| CN105760035A (en) * | 2016-03-24 | 2016-07-13 | 京东方科技集团股份有限公司 | Touch control display panel and display device |
| CN105955543A (en) * | 2016-06-01 | 2016-09-21 | 京东方科技集团股份有限公司 | Display substrate and display apparatus |
| US9612702B2 (en) | 2014-03-31 | 2017-04-04 | Shanghai Tianma Micro-electronics Co., Ltd. | Electromagnetic-type touch substrate and electromagnetic-type touch display apparatus |
| CN106710509A (en) * | 2017-01-04 | 2017-05-24 | 友达光电股份有限公司 | Pixel array structure |
| WO2023004842A1 (en) * | 2021-07-27 | 2023-02-02 | 惠州华星光电显示有限公司 | Display panel and mobile terminal |
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| US9622366B2 (en) * | 2012-08-17 | 2017-04-11 | E Ink Holdings Inc. | Display panel with coil layer for wireless charging |
| US20140049882A1 (en) * | 2012-08-17 | 2014-02-20 | E Ink Holdings Inc. | Display panel having wireless charging function |
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| CN105760035B (en) * | 2016-03-24 | 2018-12-25 | 京东方科技集团股份有限公司 | A kind of touch-control display panel, display device |
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| CN105955543B (en) * | 2016-06-01 | 2019-03-01 | 京东方科技集团股份有限公司 | Display base plate and display device |
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| TWI612367B (en) * | 2017-01-04 | 2018-01-21 | 友達光電股份有限公司 | Pixel array structure |
| US20180190182A1 (en) * | 2017-01-04 | 2018-07-05 | Au Optronics Corporation | Pixel array structure |
| US10276088B2 (en) * | 2017-01-04 | 2019-04-30 | Au Optronics Corporation | Pixel array structure |
| WO2023004842A1 (en) * | 2021-07-27 | 2023-02-02 | 惠州华星光电显示有限公司 | Display panel and mobile terminal |
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