CN107799547A - Organic Light Emitting Diode touch control display apparatus - Google Patents

Organic Light Emitting Diode touch control display apparatus Download PDF

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Publication number
CN107799547A
CN107799547A CN201610783799.5A CN201610783799A CN107799547A CN 107799547 A CN107799547 A CN 107799547A CN 201610783799 A CN201610783799 A CN 201610783799A CN 107799547 A CN107799547 A CN 107799547A
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CN
China
Prior art keywords
electrode
touch control
light emitting
display apparatus
emitting diode
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CN201610783799.5A
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Chinese (zh)
Inventor
蔡嘉豪
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Innolux Corp
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Innolux Display Corp
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Priority to CN201610783799.5A priority Critical patent/CN107799547A/en
Publication of CN107799547A publication Critical patent/CN107799547A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/88—Dummy elements, i.e. elements having non-functional features
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/805—Electrodes
    • H10K50/81—Anodes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/805—Electrodes
    • H10K50/82—Cathodes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/40—OLEDs integrated with touch screens
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material

Abstract

A kind of Organic Light Emitting Diode touch control display apparatus includes a touch control panel of organic luminous diode.Touch control panel of organic luminous diode includes a thin film transistor base plate, a light-emitting component, a transmission electrode, a sensing electrode, a protection base material and an encapsulated layer.Light-emitting component is arranged on thin film transistor base plate, and has a first end point electrode, a luminescent layer and one second end points electrode, and luminescent layer is arranged between first end point electrode and the second end points electrode.Transmission electrode is respectively arranged at the top of luminescent layer with sensing electrode.Protection base material is relative with thin film transistor base plate and sets.Encapsulated layer is arranged between the second end points electrode and protective substrate.

Description

Organic Light Emitting Diode touch control display apparatus
Technical field
The present invention is on a kind of display device, especially in regard to a kind of Organic Light Emitting Diode touch control display apparatus.
Background technology
With scientific and technological constantly progressive, various information equipments are constantly weeded out the old and bring forth the new, such as mobile phone, tablet personal computer, ultralight Thin notebook and satellite navigation etc..In addition to typically inputting or manipulating with keyboard or slide-mouse, manipulated using touch technology Information equipment is a kind of control mode quite directly perceived and welcome.Wherein, contactor control device has hommization and intuitively changed defeated Enter operation interface so that the user of any age level directly can be chosen with finger or stylus or manipulation information equipment.
Touch technology is mostly the multi-point touch (Multi-touch) of two-dimentional (2D) plane (X/Y plane) now, and it utilizes example As finger touches the accurate touch location for judging finger of display surface, and then control function corresponding to generation.Have in known one kind It is the touch-control using mutual capacitance (Mutual capacitance) formula in the two-dimentional touch technology of machine light emitting display device Control, and be that a contact panel is set in addition to reach, therefore, it is necessary to be further added by the technique of Organic Light Emitting Diode The technique of contact panel completes the function of touch-control sensing with spare part.Also, the circuit and control for controlling touch controllable function are shown The circuit of function need to be made in different integrated circuit (IC) respectively, so, will increase control IC cost.
In addition, except in the touch technology of two dimensional surface, in order to sense the pressing force perpendicular to display surface (Z axis) direction Road, the pressing strength of Z-direction can be typically sensed using capacitive pressure detection technology, and then produce corresponding control work( Energy.In known technology, in order to be controlled plus the touch-control of vertical direction, increase and be produced into except extra related spare part need to be used This is outer, and the touch-control accuracy of Z-direction also has much room for improvement with precision.
The content of the invention
The present invention provides a kind of Organic Light Emitting Diode touch control display apparatus, including an Organic Light Emitting Diode touch surface Plate.Touch control panel of organic luminous diode includes a thin film transistor base plate, a light-emitting component, a transmission electrode, a sensing electricity Pole, a protection base material and an encapsulated layer.Light-emitting component is arranged on thin film transistor base plate, and with first end point electricity Pole, a luminescent layer and one second end points electrode.Second end points electrode is located on first end point electrode, and luminescent layer is arranged at first Between end points electrode and the second end points electrode.Transmission electrode is respectively arranged at the top of luminescent layer with sensing electrode.Protective substrate It is relative with thin film transistor base plate and set.Encapsulated layer is arranged between the second end points electrode and protective substrate.
, can be whole by touch control electrode in the Organic Light Emitting Diode touch control display apparatus of the present invention according to some embodiments Close in touch control panel of organic luminous diode.Touch control electrode can be transmission electrode, sensing electrode or its combination.Wherein, sense Electrode may be designed as sensing 2D signal or three dimensional signal or merge sensing 2D signal and three dimensional signal.Also, using mutually Capacitance touching control mode, the circuit of touch controllable function can will be controlled with the circuit integrated of control display function in the integrated electricity of same control In road (IC), two dimension or the technique and control IC cost of three-dimensional touch panel are thereby reduced so that organic light emission of the invention Diode touch control display apparatus has the advantages of technique is simplified and spare part is less, and can provide more preferable touch accuracy and standard Degree.
Brief description of the drawings
Figure 1A is the partial cutaway view schematic of the Organic Light Emitting Diode touch control display apparatus of one embodiment of the invention.
Figure 1B is the equivalent of a dot structure of the Organic Light Emitting Diode touch control display apparatus of one embodiment of the invention Circuit diagram.
Fig. 1 C are the transmission electrode of an embodiment aspect of the invention and the schematic top plan view of sensing electrode.
Fig. 2A and Fig. 2 B are respectively that the part of the Organic Light Emitting Diode touch control display apparatus of different embodiments of the invention is cutd open Depending on schematic diagram.
Fig. 2 C and Fig. 2 D are respectively the schematic diagram of the Organic Light Emitting Diode touch control display apparatus of different embodiments of the invention.
Fig. 2 E are the transmission electrode and the schematic top plan view of horizontal sensing electrode of the different embodiment aspects of the present invention.
Fig. 3 A to Fig. 3 N are respectively the schematic diagram of the Organic Light Emitting Diode touch control display apparatus of different embodiments of the invention.
Fig. 4 A are respectively that the transmission electrode of different embodiment aspects of the invention is illustrated with the vertical view of three-dimensional sensing electrode from Fig. 4 B Figure.
Fig. 4 C to Fig. 4 E are respectively transmission electrode, horizontal sensing electrode and the vertical sensing measurement electricity of the different embodiment aspects of the present invention The schematic top plan view of pole.
Fig. 5 A to Fig. 5 J are respectively the schematic diagram of the Organic Light Emitting Diode touch control display apparatus of different embodiments of the invention.
Fig. 6 A to Fig. 6 C are respectively the schematic diagram of the reference electrode of the different embodiment aspects of the present invention.
Fig. 7 A to Fig. 7 C are respectively in the Organic Light Emitting Diode touch control display apparatus of the present invention, with three-dimensional sensing electrode sense In the case that survey two dimension is touched with three-dimensional, without control circuit schematic diagram when touching, thering is two dimension to touch with there is three-dimensional to touch.
Fig. 7 D are in the waveform diagram without the touching signals exported when touching, having two dimension to touch with there is three-dimensional touch.
Fig. 8 A and Fig. 8 B are respectively two dimension sensing and three-dimensional sense in the Organic Light Emitting Diode touch control display apparatus of the present invention In the case of surveying as different sensing electrodes, without control circuit schematic diagram when touching with there is two dimension to touch.
Fig. 8 C are without the waveform diagram for touching the touching signals exported during with there is two dimension to touch.
Fig. 9 A and Fig. 9 B are respectively two dimension sensing and three-dimensional sense in the Organic Light Emitting Diode touch control display apparatus of the present invention In the case of surveying as different sensing electrodes, without control circuit schematic diagram when touching with there is vertical direction to touch.
Fig. 9 C are in the waveform diagram without the touching signals exported when touching with there is vertical direction to touch.
Figure 10 is touch control detection circuit and the sense of the Organic Light Emitting Diode touch control display apparatus of one embodiment of the invention Survey the function block schematic diagram of electrode.
Embodiment
Hereinafter with reference to correlative type, illustrate to show dress according to the Organic Light Emitting Diode touch-control of some embodiments of the invention Put, wherein identical element will be illustrated with identical reference marks.The diagram of all embodiment aspects of the present invention is simply illustrated, Do not represent full-size(d) and ratio.In addition, orientation alleged in the content of following examples " on " and " under " be used only to represent Relative position relationship.Furthermore element is formed may include reality in another element " on ", " on ", " under " or " under " Apply in example element directly to contact with another element, or may also comprise between an element and another element and also have it His additional element makes an element and another element without directly contacting.
It refer to shown in Figure 1A, Figure 1B and Fig. 1 C, wherein, Figure 1A is that the Organic Light Emitting Diode of one embodiment of the invention touches The partial cutaway view schematic of display device 1 is controlled, Figure 1B is the Organic Light Emitting Diode touch control display apparatus 1 of one embodiment of the invention A dot structure equivalent circuit diagram, and Fig. 1 C are the transmission electrode of an embodiment aspect of the invention and the vertical view of sensing electrode Schematic diagram.In this, in the case of Fig. 1 C only show vertical view, transmission electrode TX and sensing electrode RX relativeness, do not show Other film layers, such as film layers of Fig. 1 C without display between the two.
Organic Light Emitting Diode touch control display apparatus 1 is an active matrix Organic Light Emitting Diode (AMOLED) display dress Put, such as can be intelligent mobile phone, tablet personal computer, ultra-thin notebook or wearable device, or other have touch controllable function Display, do not limit.
As shown in Figure 1A, Organic Light Emitting Diode touch control display apparatus 1 includes a touch control panel of organic luminous diode 100.Touch control panel of organic luminous diode 100 includes a thin film transistor base plate 11, a light-emitting component 12, a transmission electrode TX With a sensing electrode RX.In addition, the Organic Light Emitting Diode touch control display apparatus 1 of the present embodiment further includes a pixel defining layer PDL, an encapsulated layer FL and a protection base material 13.
Thin film transistor base plate 11 has a substrate 111 and a thin-film transistor structure 112, thin-film transistor structure 112 It is arranged on substrate 111.Substrate 111 can be hardboard or soft board, and be light-permeable or light tight.Wherein, hardboard is, for example, glass, And soft board is, for example, the flexible base plate with pliability, its material is such as, but not limited to pi (Polyimide, PI). In addition, thin-film transistor structure 112 has the multiple transistor arrangements for corresponding respectively to multiple light-emitting components 12, those transistors Structure forms multiple dot structures with those light-emitting components 12 respectively, and is arranged in the rectangular of two-dimensional array.
In this, as shown in Figure 1B, the equivalent circuit of a dot structure is by taking 2T1C circuit as an example, and includes a control Transistor T1, a driving transistor T2, a storage capacitors CS and a light-emitting component 12.Wherein, controlling transistor T1 grid connects A scan line SL is met, controlling transistor T1 first end connects a data wire DL, and controlling transistor T1 the second end connection is driven Dynamic transistor T2 grid.Driving transistor T2 first end is connected to one first power vd D, and storage capacitors CS both ends are divided Driving transistor T2 grid and driving transistor T2 first end are not connected to, and the connection of driving transistor T2 the second end is sent out The anode of optical element 12, and the negative electrode of light-emitting component 12 is connected to second source VSS.In the present embodiment, controlling transistor T1 It is respectively by taking PMOS transistor as an example with driving transistor T2, certainly, in various embodiments, controlling transistor T1 is with driving Transistor T2 also can be respectively nmos pass transistor, not limit.In addition, when scan line SL and data wire DL are respectively plural, Those scan lines SL and those data wires DL is is staggered, to define the region of those dot structures.In addition, different In embodiment, the equivalent circuit of dot structure also may be, for example, 4T2C or 5T1C or 6T1C or 7T2C or other aspects, also Do not limit.
Referring again to Figure 1A, shown in Figure 1A in a dot structure, the driving crystal of thin-film transistor structure 112 The structure of pipe T2 and light-emitting component 12, Figure 1A not display control transistor T1 and storage capacitors CS.Wherein, light-emitting component 12 is set It is placed on thin-film transistor structure 112, and there is a first end point electrode 121, one second end points electrode 122 and a luminescent layer 123.First end point electrode 121 electrically connects with driving transistor T2 the second end.Second end points electrode 122 is located at first end point electricity On pole 121, and luminescent layer 123 is arranged between the end points electrode 122 of first end point electrode 121 and second.In this, light-emitting component 12 be an Organic Light Emitting Diode (OLED), and when its forward bias voltage drop, light-emitting component 12 can emit beam.
In addition to driving transistor T2, thin-film transistor structure 112 further includes a cushion B, one first dielectric layer ILD1, one second dielectric layer ILD2 and a planarization layer PLN.Cushion B is arranged on substrate 111, and driving transistor T2 is set It is placed on cushion B.Wherein, driving transistor T2 includes a grid G, a gate insulator GI, a channel layer A, one first An electrode E1 and second electrode E2.In this, exemplified by driving transistor T2 is above grid (Top-gate) type thin film transistor (TFT). In different embodiments, driving transistor T2 also can be lower grid (Bottom-gate) type thin film transistor (TFT), be not intended to limit.
Gate insulator GI is arranged on cushion B, and channel layer A opposing gate G positions are arranged at gate insulator GI. The gate insulator GI of the present embodiment sets and coats channel layer A.Cushion B and gate insulator GI can be for organic material for example For organo-siloxane compound, or inorganic be, for example, silicon nitride, silica, silicon oxynitride, carborundum, aluminum oxide, hafnium oxide, Or the sandwich construction of above-mentioned material.In addition, on the implementation, channel layer A can be that amorphous silicon layer, polysilicon layer or oxide are partly led Body layer.The composition of foregoing oxide semiconductor layer can be a metal oxide, and this metal can be indium, gallium, zinc, tin or its group Close.Specific oxide semiconductor layer example can be indium gallium zinc (Indium Gallium Zinc Oxide, IGZO).
First electrode E1 and second electrode E2 is respectively arranged on channel layer A, and first electrode E1 and second electrode E2 One end contacts with channel layer A respectively.When driving transistor T2 channel layer A is not turned on, first electrode E1 and second electrode E2 It is electrically isolated.First electrode E1 and second electrode E2 material can be metal (such as aluminium, copper, silver, molybdenum or titanium) or its alloy institute The single or multiple lift structure of composition.In addition, part transmitting the wire of drive signal, can use and first electrode E1 and the Two electrode E2 are the same as layer and the structure of same technique, such as data wire (Figure 1A is not shown).
Grid G is arranged at gate insulator GI, and relative with channel layer A and set.In this, grid G be arranged at channel layer A it On.The single or multiple lift structure that the material of grid G can be made up of metal (being, for example, aluminium, copper, silver, molybdenum or titanium) or its alloy. Part can be used with grid G with layer and the structure of same technique, be electrical connected each other transmitting the wire of drive signal, Such as scan line (Figure 1A is not shown).In addition, the first dielectric layer ILD1 covering gate insulator GI and grid G, and the second dielectric Layer ILD2 is covered on the first dielectric layer ILD1.
The first electrode E1 and second electrode E2 of the present embodiment are respectively by gate insulator GI, the first dielectric layer ILD1 Perforate (not indicating) with the one of the second dielectric layer ILD2 and contacted with channel layer A.In various embodiments, first electrode E1 with Second electrode E2 one end can also contact from the opening of etching stop (etch stop) layer with channel layer A respectively, and unlimited It is fixed.
Planarization layer PLN sets and is covered on the second dielectric layer ILD2, and first end point electrode 121 is arranged at planarization On layer PLN, and it is connected by a planarization layer PLN perforation (figure does not indicate) with second electrode E2.In addition, pixel defining layer PDL is arranged at first end point electrode 121, and fills out planarization layer PLN perforation, and the end points electrode 122 of luminescent layer 123 and second according to Sequence is stacked on first end point electrode 121, and the second end points electrode 122 is covered on pixel defining layer PDL.In the present embodiment In, first end point electrode 121 is, for example, the anode of light-emitting component 12, and the second end points electrode 122 is negative electrode.But, in difference Embodiment in, first end point electrode 121 also can be negative electrode, and the second end points electrode 122 can be anode, of the invention and unlimited It is fixed.
The material of the end points electrode 122 of first end point electrode 121 and second for example can be conductive material, the metal material of printing opacity Material, alloy material or its combination.The conductive material of printing opacity for example can be indium tin oxide (ITO), indium-zinc oxide (IZO), aluminium Zinc oxide (AZO), cadmium tin-oxide (CTO), tin oxide (SnO2) or zinc oxide (ZnO).In addition, Organic Light Emitting Diode Touch control display apparatus 1 can be luminous upwards or luminous downwards.In addition, the anode of light-emitting component 12 can be ITO/Ag/ITO structures, Negative electrode can be magnesium alloy.
Protection base material 13 is relative with thin film transistor base plate 11 and sets, and light-emitting component 12 is positioned at protection base material 13 and film Between transistor base 11.Wherein, it can be hardboard or soft board to protect base material 13, and hardboard is, for example, glass, and soft board for example, can Flexible flexible base plate.In addition, encapsulated layer FL is arranged between the protection end points electrode 122 of base material 13 and second.Encapsulated layer FL can For air, inert gas, organic layer, inorganic layer, adhesion layer or its combination.Inert gas can be nitrogen.And adhesion layer can be light Learn glue (OCA, optical clear adhesive) or optical resin (OCR, optical clear resin).It is real according to one Apply example, encapsulated layer can be the combination of organic layer and inorganic layer, such as the combination of inorganic/organic/inorganic, as block water, hinder oxygen it With.According to an embodiment, encapsulated layer can be compressible stratum, and the example of above-mentioned encapsulated layer is simultaneously all applicable with compressible character person.
Therefore, when those scan lines SL of Organic Light Emitting Diode touch control display apparatus 1 receives scanning signal respectively and divides When not turning on those controlling transistors T1, corresponding those data wires DL can receive data-signal respectively to be filled to storage capacitors CS Electricity, storage capacitors CS stored voltage is set to can control driving transistor T2 conductive so that the first power vd D (such as+5V) and the Two power supply VSS (such as 0V) make the light-emitting component 12 of each dot structure be lighted for forward bias, touch Organic Light Emitting Diode Control 1 picture capable of displaying image of display device.Or a switching transistor can be connected again (not in driving transistor T2 source terminal Display), to control the luminous of light-emitting component 12.
Transmission electrode TX and sensing electrode RX is respectively arranged at the top of luminescent layer 123.It is to utilize mutual capacitance in this The touch-control control of (Mutual capacitance) formula reaches the touch controllable function of two-dimentional (2D) plane (X/Y plane).Wherein, sense Electrode RX is horizontal sensing electrode, and can sense two directions by the capacitance variations between sensing electrode RX and transmission electrode TX The touch of (i.e. first direction X and second direction Y, forming X/Y plane).
Illustrate again, Figure 1A is the section of the Organic Light Emitting Diode touch control display apparatus according to one embodiment of the invention Figure, and Fig. 1 C are a schematic top plan view, it is the arrangement mode for showing transmission electrode TX and sensing electrode RX.Wherein, Tu1AWei Profiles of Fig. 1 C along straight line B-B.Transmission electrode TX and sensing electrode RX is arranged on the top of luminescent layer 123, and transmission electrode TX is arranged on the outside 131 of protection base material 13, and sensing electrode RX is in the inner side 132 of protection base material 13.Although not shown in figure, But according to another embodiment, transmission electrode TX may be provided at the inner side 132 of protection base material 13, and sensing electrode RX may be provided in protection group The outside 131 of material 13.According to another embodiment, transmission electrode TX and sensing electrode RX can be arranged at the inner side for protecting base material 13 132.According to another embodiment, transmission electrode TX and sensing electrode RX can be arranged at the outside 131 for protecting base material 13.Wherein, Outside 131 refers to the side of the protection base material 13 away from thin film transistor base plate 11, and inner side 132 refers to towards thin film transistor base plate 11 Protection base material 13 side.
In Organic Light Emitting Diode touch control display apparatus 1, thin film transistor base plate 11 and protection base material 13 have been combined into Machine light emitting diode contact panel 100.For example, base material 13 by thin film transistor base plate 11 and can be protected by frame glue (not shown) Combine, and in encapsulated layer FL is sealed in.Applicable frame glue, such as can be UV glue, glass cement (frit).In this way, In touch control panel of organic luminous diode 100, built-in transmission electrode TX and sensing electrode RX.That is, transmission electrode TX with Sensing electrode RX has been integrated in the construction of touch control panel of organic luminous diode 100.That is, Organic Light Emitting Diode touch-control shows Showing device 1 belongs to embedded (in-cell) touch control display apparatus.In this way, touch control panel of organic luminous diode 100 itself has There is touch controllable function, without setting a contact panel again in addition in the outside of protection base material 13.Furthermore it can will control touch controllable function Circuit and control display function it is circuit integrated in same control integrated circuit (IC), thereby reduce the work of contact panel Skill and material, and control IC cost.
According to some embodiments of the invention, the second end points electrode 122 can be shared with touch control electrode.Or transmission electrode With sensing electrode at least one, can be identical components with the second end points electrode 122.Hereby illustrate below.Following examples In Organic Light Emitting Diode touch control display apparatus in, with Figure 1A Organic Light Emitting Diode touch control display apparatus 1 have it is identical or Similar element, will not be repeated here.
As shown in Figure 2 A, Organic Light Emitting Diode the touch control display apparatus 1a and Figure 1A of the present embodiment organic light-emitting diodes Pipe touch control display apparatus 1 primary difference is that, Organic Light Emitting Diode touch control display apparatus 1a sensing electrode RX is arranged at Protect the outside of base material 13, and transmission electrode TX and the second end points electrode 122 are integrated into solid memder (both are identical components). In this, the second end points electrode 122 is the negative electrode of light-emitting component 12.In other words, Fig. 2A is the second end points electricity with light-emitting component 12 Exemplified by transmission electrode TX of the pole 122 as Organic Light Emitting Diode touch control display apparatus 1a., can be by the second end points electrode in this 122, patterned different pattern, the present invention are not intended to limit according to need.According to some embodiments, for example, timesharing can be used to drive Flowing mode, the second end points electrode 122 is used as negative electrode during display, but transmission electrode TX is used as during touch-control.In addition, not In same embodiment, sensing electrode RX also may be disposed at the inner side of protection base material 13, and transmission electrode TX and the second end points electrode 122 are integrated into solid memder, and the present invention is not intended to limit.
In addition, as shown in Figure 2 B, the Organic Light Emitting Diode touch control display apparatus 1b and organic light-emitting diodes of the present embodiment Pipe touch control display apparatus 1a primary difference is that, Organic Light Emitting Diode touch control display apparatus 1b transmission electrode TX is arranged at The inner side of base material 13 is protected, and sensing electrode RX and the second end points electrode 122 are integrated into solid memder.In other words, the present embodiment Sensing electrode RX using the second end points electrode 122 of light-emitting component 12 as Organic Light Emitting Diode touch control display apparatus 1b as Example., can be by the second end points electrode 122 in this, patterned different pattern, the present invention are not intended to limit according to need.According to some Embodiment, for example, timesharing type of drive can be used, the second end points electrode 122 is set to be used as negative electrode during display, during touch-control As sensing electrode RX.In various embodiments, transmission electrode TX also may be disposed at the outside of protection base material 13, and sense electricity Pole RX and the second end points electrode 122 are integrated into solid memder, and the present invention does not also limit.
According to some embodiments of the invention, at least one of transmission electrode and sensing electrode may be disposed at the second end points electrode Between 122 and encapsulated layer FL.Hereby illustrate below.
Fig. 2 C show the Organic Light Emitting Diode touch control display apparatus 1c of another embodiment of the present invention profile.Organic In light emitting diode touch control display apparatus 1c, have with Figure 1A Organic Light Emitting Diode touch control display apparatus 1 same or similar Element, it will not be repeated here.The position of transmission electrode and sensing electrode is mainly illustrated herein.In addition, Fig. 2 E are schematic top plan view, It shows transmission electrode TX and sensing electrode RX arrangement mode, and one is connected across by a wire C between two transmission electrode TX On individual horizontal sensing electrode R-XY.In this, Fig. 2 C are profiles of Fig. 2 E along straight line D-D.
Fig. 2 C and Figure 1A primary difference is that, transmission electrode TX and horizontal sensing electrode R-XY be same layer, and setting Insulated on the second end points electrode 122 and with an insulating barrier IL between the second end points electrode 122.Transmission electrode TX and level Sensing electrode R-XY can be to be arranged at intervals, and can be to be formed by same conductive layer is patterned.In this, sensed by level Electrode R-XY senses the touch (two-dimentional touch-control) of X/Y plane.In addition, in certain embodiments, also can by transmission electrode TX with Therein the one of horizontal sensing electrode R-XY is arranged on the inner or outer side of protection base material 13, and transmission electrode TX feels with horizontal The another one for surveying electrode R-XY is arranged between the second end points electrode 122 and encapsulated layer FL, and the present invention does not also limit.
Fig. 2 D show the Organic Light Emitting Diode touch control display apparatus 1d of another embodiment of the present invention profile.Wherein, Transmission electrode TX and horizontal sensing electrode R-XY are integrated into solid memder with the second end points electrode 122 respectively.In this, the second end points Electrode 122 is patterning, and the second end points electrode 122 is treated as into transmission electrode TX or horizontal sensing electrode R-XY, and is transmitted Electrode TX or horizontal sensing electrodes R-XY configures for interval.Wherein, an a transmission electrode TX or horizontal sensing electrode R-XY A dot structure is may correspond to, or, a transmission electrode TX or a horizontal sensing electrode R-XY may correspond to multiple pixels Structure, it is not intended to limit.
In addition, in certain embodiments, the sensing electrode in Organic Light Emitting Diode touch control display apparatus can sense three-dimensional Touching signals, in this way, this touch control display apparatus can be applied to three-dimensional touch.In addition, encapsulated layer FL can be compressible stratum, when organic When light emitting diode touch control display apparatus is pressed, encapsulated layer FL can produce deformation so that the pressure positioned at encapsulated layer FL both sides Sensing electrode (vertical sensing measurement electrode or three-dimensional sensing electrode) produces capacitance variations between another electrode.As described above, encapsulation Layer FL can be air, inert gas, organic layer, inorganic layer, adhesion layer or its combination.
As shown in Fig. 3 A to Fig. 3 N, it is respectively the Organic Light Emitting Diode touch control display apparatus of different embodiments of the invention 1e~1r schematic diagram.Sensing electrode can include an a horizontal sensing electrode R-XY and vertical sensing measurement electrode R-Z, or include one or three Tie up sensing electrode R-XYZ.In this, the touch motion of two dimension can be sensed by horizontal sensing electrode R-XY, can be by vertically feeling Electrode R-Z is surveyed to sense third direction Z touch motion, or two dimension and three can be sensed by three-dimensional sensing electrode R-XYZ The touch motion of dimension.In this, Organic Light Emitting Diode touch control display apparatus 1e~1r except having two direction (first party respectively To X and second direction Y) two-dimentional touch-control outside, more respectively with third direction Z touch-control control, and can provide preferably Touch accuracy and accuracy.
In certain embodiments, sensing electrode can be three-dimensional sensing electrode R-XYZ.Transmission electrode TX and three-dimensional sensing electrode At least one of R-XYZ may be provided at the inner or outer side of protection base material 13.For example, transmission electrode TX and three-dimensional sensing electrode R- XYZ be all arranged on protection base material 13 inner side, or be all arranged on outside, or one in outside one in inner side.Below hereby Illustrated with Fig. 3 A, Fig. 3 E.
As shown in Figure 3A, in the Organic Light Emitting Diode touch control display apparatus 1e of the present embodiment, sensing electrode is three-dimensional sense Survey electrode R-XYZ.Wherein, transmission electrode TX and three-dimensional sensing electrode R-XYZ is respectively separated the inner side for being configured at protection base material 13. In this, the mutual capacitance (C formed between three-dimensional sensing electrode R-XYZ and the second end points electrode 122T) variable quantity caused by Voltage changes to sense two dimension and three-dimensional touch motion.Because encapsulated layer FL is a compressible stratum, there is compressible character, therefore Encapsulated layer FL can the deformation because of pressing, cause the mutual capacitance between three-dimensional sensing electrode R-XYZ and the second end points electrode 122 to become Change.
Top view corresponding to Fig. 3 A is Fig. 4 A.Wherein, the profile that Fig. 3 A regard for Fig. 4 A along straight line F-F.In this, pass Transmission pole TX is patterned arrangement, and is configured with three-dimensional sensing electrode R-XYZ intervals, and is passed through between two transmission electrode TX Wire C is connected across on a three-dimensional sensing electrode R-XYZ.Or according to another embodiment, transmission electrode TX and three-dimensional sensing electricity Pole R-XYZ can all be arranged on the outside of protection base material 13.Or according to another embodiment, as shown in FIGURE 3 E, transmission electrode TX with The three-dimensional sensing electrode R-XYZ inner side that one of wherein may be provided at protection base material 13, another one are arranged on protective substrate 13 Outside.
In this, top view corresponding to Fig. 3 E is Fig. 4 B.The profile that Fig. 3 E regard for Fig. 4 B along straight line 4b-4b.Herein In embodiment, touched or three-dimensional touch motion comprising Z-direction to distinguish the two dimension of X/Y plane, scan mode can be used to drive Dynamic transmission electrode TX, and be two-dimentional touch-control or three-dimensional touch to distinguish with the difference of two stage touch-control voltage threshold value.Tool For body, such as a pulse signal is sequentially transmitted to those transmission electrodes TX, and by three-dimensional sensing electrode R-XYZ and the second end points The electric capacity C formed between electrode 122TChange obtained by output voltage values judge it is two dimension or three-dimensional touch-control.Citing For, when obtained output voltage values are more than or less than the detection threshold value that touches of a horizontal direction, then this is touched as two dimension；When When the value of obtained output voltage is more than the detection threshold value that vertical direction is touched, then this is touched as three-dimensional, thereby distinguishes two Dimension or three-dimensional are touched, and are acted with two-dimentional touch-control corresponding to generation or three-dimensional touch.
In certain embodiments, sensing electrode may also comprise horizontal sensing electrode R-XY and vertical sensing measurement electrode R-Z.Transmission At least one of electrode TX, horizontal sensing electrode R-XY, vertical sensing measurement electrode R-Z may be provided at the inner side or outer of protection base material 13 Side.For example, transmission electrode TX, horizontal sensing electrode R-XY, vertical sensing measurement electrode R-Z are all arranged on the inner side of protection base material 13, Or be all arranged on outside, or one outside, both in inner side, or one inner side, both in outside, it is and unlimited System.Hereby illustrated below with Fig. 3 B, Fig. 3 F.
Fig. 3 B show the Organic Light Emitting Diode touch control display apparatus 1f of another embodiment of the present invention.With Fig. 3 A device 1e Primary difference is that in the Organic Light Emitting Diode touch control display apparatus 1f of the present embodiment, sensing electrode includes horizontal sense Electrode R-XY and vertical sensing measurement electrode R-Z.With for horizontal direction (on an x-y plane), horizontal sensing electrode R-XY with it is vertical Sensing electrode R-Z can be respectively arranged between two transmission electrode TX.The horizontal sensing electrode R-XY, vertical sensing measurement of the present embodiment Electrode R-Z, transmission electrode TX are arranged on the inner side of protection base material 13.Fig. 4 C are corresponding top view, and Fig. 3 B are along Fig. 4 C's Line G-G and the profile regarded.As shown in Figure 4 C, transmission electrode TX is patterned arrangement, and with horizontal sensing electrode R-XY with hanging down Straight sensing electrode R-Z intervals configuration, and a horizontal sensing electrode R-XY is connected across by wire C between two transmission electrode TX Or it is connected across on a vertical sensing measurement electrode R-Z.In this, with horizontal sensing electrode R-XY come sense two dimension touch motion, and Mutual capacitance (the electric capacity C formed between vertical sensing measurement electrode R-Z and the second end points electrode 122T) variable quantity sense the 3rd Direction Z touch motion.
Or according to another embodiment, transmission electrode TX and horizontal sensing electrode R-XY may also be arranged on protection base material 13 Outside.Or according to another embodiment, as illustrated in Figure 3 F, therein the one of transmission electrode TX and horizontal sensing electrode R-XY Person may be provided at the inner side of protection base material 13, and another one is arranged on the outside of protection base material 13.In this, Fig. 3 F are along Fig. 4 D's Straight line 4d-4d and the profile regarded.As shown in Figure 4 D, transmission electrode TX configures along a direction interval, horizontal sensing electrode R-XY With vertical sensing measurement electrode R-Z respectively in another direction interval configure, and transmission electrode TX respectively with horizontal sensing electrode R-XY and Vertical sensing measurement electrode R-Z is interconnected.
According to some embodiments, transmission electrode, horizontal sensing electrode, vertical sensing measurement electrode at least one, can be with second End points electrode is identical components.Hereby illustrated below with Fig. 3 C, Fig. 3 G, Fig. 3 J, Fig. 3 N.
Fig. 3 C show the Organic Light Emitting Diode touch control display apparatus 1g of another embodiment of the present invention schematic cross-sectional view.Sense Surveying electrode includes horizontal sensing electrode R-XY and vertical sensing measurement electrode R-Z.Wherein, transmission electrode TX and horizontal sensing electrode R-XY Interval is configured at the inner side of protection base material 13, and the second end points electrode 122 be patterned electrodes, and vertical sensing measurement electrode R-Z and Second end points electrode 122 of patterning is integrated into solid memder.According to some embodiments, for example, timesharing type of drive can be used, Make the second end points electrode 122 during display and touch-control during respectively as negative electrode and be used as vertical sensing measurement electrode R-Z.In this, With the change of the mutual capacitance formed between the second end points electrode 122 (vertical sensing measurement electrode R-Z) of transmission electrode TX and patterning Measure to sense third direction Z touch motion.
According to some embodiments, transmission electrode TX and vertical sensing measurement electrode R-Z's one of is wherein arranged on protection base material 13 inner or outer side, another one are to be shared with the second end points electrode 122.Horizontal sensing electrode R-XY can be located at protection base material 13 Inner or outer side, or also can with the second end points electrode 122 share.Such as shown in Fig. 3 G, transmission electrode TX and horizontal sensing Electrode R-XY is respectively positioned at the outside and inner side of protection base material 13, and vertical sensing measurement electrode R-Z is common with the second end points electrode 122 With.Fig. 4 E are top view corresponding to Fig. 3 G, the profile that Fig. 3 G regard for Fig. 4 E along straight line 4e-4e.As shown in Figure 4 E, transmit Electrode TX configures along a direction interval, and horizontal sensing electrode R-XY and vertical sensing measurement electrode be spaced in another direction configuration and It can be overlapped in vertical direction (Z-direction).In addition, transmission electrode TX respectively with horizontal sensing electrode R-XY and vertical sensing measurement Electrode R-Z is interconnected.
In another example shown in Fig. 3 J, vertical sensing measurement electrode R-Z and horizontal sensing electrode R-XY are located at the outside for protecting base material 13, Transmission electrode TX is to be shared with the second end points electrode 122.In another example shown in Fig. 3 N, transmission electrode TX is arranged on protection base material 13 Inner side, vertical sensing measurement electrode R-Z and horizontal sensing electrode R-XY share with the second end points electrode 122 respectively.In this, level senses Electrode R-XY configures with vertical sensing measurement electrode R-Z intervals, and is integrated into solid memder with the second end points electrode 122 of patterning.
According to some embodiments, sensing electrode is three-dimensional sensing electrode R-XYZ.Transmission electrode TX and three-dimensional sensing electrode R- XYZ's can one of wherein share (for identical components) with the second end points electrode 122.For example, transmission electrode TX and three-dimensional sensing The electrode R-XYZ inner or outer side for one of being wherein arranged on protection base material 13, another one are common with the second end points electrode 122 With (for identical components).Such as shown in Fig. 3 I, three-dimensional sensing electrode R-XYZ is arranged on the outside of protection base material 13, transmission electrode TX is to be shared with the second end points electrode 122.In this, transmission electrode TX is integrated into single with the second end points electrode 122 patterned Component.Such as shown in Fig. 3 M, transmission electrode TX is arranged on the inner side of protection base material 13, three-dimensional sensing electrode R-XYZ and the second end Point electrode 122 shares.In this, three-dimensional sensing electrode R-XYZ and patterning the second end points electrode 122 are integrated into solid memder.
According to some embodiments, transmission electrode, horizontal sensing electrode, vertical sensing measurement electrode one of are at least within set Between the second end points electrode 122 and encapsulated layer FL.According to some embodiments, transmission electrode TX and vertical sensing measurement electrode R-Z's The inner or outer side of protection base material 13 one of is wherein arranged on, another one is arranged on the second end points electrode 122, and with one Insulating barrier IL insulate, and the present invention does not limit.Hereby illustrated below with Fig. 3 D, Fig. 3 H, Fig. 3 L.
For example, Fig. 3 D show the Organic Light Emitting Diode touch control display apparatus 1h of another embodiment of the present invention sectional view. In this, vertical sensing measurement electrode R-Z is arranged on the second end points electrode 122, and the second end points electrode 122 and encapsulated layer FL it Between.Moreover, there is an insulating barrier IL between vertical sensing measurement electrode R-Z and the second end points electrode 122.Transmission electrode TX and horizontal sensing Electrode RXY is all arranged on the inner side of protection base material 13.In addition, for example shown in Fig. 3 H, transmission electrode TX is arranged on protection base material 13 Outside, horizontal sensing electrode R-XY be arranged on protection base material 13 inner side, vertical sensing measurement electrode R-Z be arranged on the second end points electricity On pole 122, and insulated with an insulating barrier IL.Such as shown in Fig. 3 L, vertical sensing measurement electrode R-Z and horizontal sensing electrode R-XY The inner side of protection base material 13 is all arranged on, transmission electrode TX is arranged on the second end points electrode 122, and is made with an insulating barrier IL Insulation.
According to some embodiments, sensing electrode is three-dimensional sensing electrode R-XYZ.Transmission electrode TX and three-dimensional sensing electrode R- XYZ's one of wherein may be disposed between the second end points electrode 122 and encapsulated layer FL.For example, transmission electrode TX and three-dimensional sense Survey the electrode R-XYZ inner or outer side for one of being wherein arranged on protection base material 13, another one is is arranged on the second end points electricity Between pole 122 and encapsulated layer FL, and insulated with an insulating barrier IL.Such as shown in Fig. 3 K, three-dimensional sensing electrode R-XYZ is arranged on The inner side of base material 13 is protected, transmission electrode TX is arranged on the second end points electrode 122, and is insulated with an insulating barrier IL.
In addition, please respectively refer to shown in Fig. 5 A to Fig. 5 J, it is respectively the organic light-emitting diodes of different embodiments of the invention Pipe touch control display apparatus 1s~1bb schematic diagram, it more may include a reference electrode.In this, Organic Light Emitting Diode touch-control shows Showing device 1s~1bb equally has three-dimensional touch-control.In addition, Fig. 5 A, Fig. 5 G, Fig. 5 I driving electrodes and sensing electrode are difference Corresponding to sectional structures of Fig. 4 A along straight line F-F, and Fig. 5 B, Fig. 5 H, Fig. 5 J driving electrodes and sensing electrode are corresponding respectively In sectional structures of Fig. 4 C along straight line G-G.Certainly, in various embodiments, driving electrodes can also correspond to sensing electrode The sectional structure of Fig. 4 B, Fig. 4 D or Fig. 4 E driving electrodes and sensing electrode, is not also limited.
In addition, according to some embodiments of the invention, Organic Light Emitting Diode touch control display apparatus can further include one with reference to electricity Pole, reference electrode may be provided at the inner or outer side of protection base material 13, or reference electrode may be provided at thin film transistor base plate 11 sides away from light-emitting component 12.
As shown in Figure 5A, the Organic Light Emitting Diode touch control display apparatus 1s of the present embodiment further includes a reference electrode 14, Reference electrode 14 is arranged at the inner side of protection base material 13.Match somebody with somebody in addition, transmission electrode TX is respectively separated with three-dimensional sensing electrode R-XYZ It is placed on the second end points electrode 122 (both sandwiched insulating barrier IL).In this, with three-dimensional sensing electrode R-XYZ and reference electrode Voltage caused by the variable quantity of the mutual capacitance formed between 14 changes to sense two dimension and three-dimensional touch motion.Different In embodiment, transmission electrode TX and three-dimensional sensing electrode R-XYZ can also be respectively arranged at the outside of protection base material 13.Or pass Transmission pole TX is positioned at the outside of protection base material 13, and three-dimensional sensing electrode R-XYZ is located on the second end points electrode 122.Or three Tie up sensing electrode R-XYZ positioned at the outside of protection base material 13, transmission electrode TX to be located on the second end points electrode 122, the present invention is all Do not limit.
In addition, as shown in Figure 5 B, with Organic Light Emitting Diode touch control display apparatus 1s primary difference is that, the present embodiment Organic Light Emitting Diode touch control display apparatus 1t sensing electrode include horizontal sensing electrode R-XY and vertical sensing measurement electrode R- Z, and transmission electrode TX, horizontal sensing electrode R-XY, transmission electrode TX and vertical sensing measurement electrode R-Z sequentials and interval match somebody with somebody It is placed on the second end points electrode 122.In this, the change of the mutual capacitance formed between horizontal sensing electrode R-XY and reference electrode 14 Change amount senses the touch motion of two dimension, and the change of the mutual capacitance formed between vertical sensing measurement electrode R-Z and reference electrode 14 Change amount senses third direction Z touch motion.Certainly, in various embodiments, reference electrode 14 may also set up in protection The outside of base material 14.
In addition, as shown in Figure 5 C, with Organic Light Emitting Diode touch control display apparatus 1s primary difference is that, the present embodiment Organic Light Emitting Diode touch control display apparatus 1u three-dimensional sensing electrode R-XYZ and patterning the second end points electrode 122 it is whole Synthesize solid memder.In addition, transmission electrode TX is located on the second end points electrode 122, and with insulating barrier IL and with the second end points Electrode 122 insulate.In this, between the second end points electrode 122 (three-dimensional sensing electrode R-XYZ) of reference electrode 14 and patterning The variable quantity of the mutual capacitance of formation senses third direction Z touch motion.Certainly, in various embodiments, transmission electrode TX and horizontal sensing electrode R-XYZ position can also be exchanged, as shown in fig. 5e.Or transmission electrode TX can be arranged to protection The outside of substrate 13, or other set-up modes, the present invention are not intended to limit.
In addition, as shown in Figure 5 D, with Organic Light Emitting Diode touch control display apparatus 1u primary difference is that, the present embodiment Organic Light Emitting Diode touch control display apparatus 1v do not have three-dimensional sensing electrode R-XYZ, but there is horizontal sensing electrode R- XY and vertical sensing measurement electrode R-Z.Wherein, horizontal sensing electrode R-XY and vertical sensing measurement electrode R-Z intervals configure, and respectively with figure Second end points electrode 122 of case is integrated into solid memder.Certainly, in various embodiments, transmission electrode TX feels with horizontal Survey electrode R-XY, vertical sensing measurement electrode R-Z position can also be exchanged, as illustrated in figure 5f.Or transmission electrode TX can be arranged at The outside of base material 13, or other set-up modes, the present invention is protected to be not intended to limit.
In addition, as depicted in fig. 5g, with Fig. 5 A Organic Light Emitting Diode touch control display apparatus 1s primary difference is that, this The Organic Light Emitting Diode touch control display apparatus 1y of embodiment transmission electrode TX and three-dimensional sensing electrode R-XYZ respectively with pattern The the second end points electrode 122 changed is integrated into solid memder.
In addition, as illustrated in fig. 5h, with Fig. 5 B Organic Light Emitting Diode touch control display apparatus 1t primary difference is that, this The Organic Light Emitting Diode touch control display apparatus 1z of embodiment transmission electrode TX, horizontal sensing electrode R-XY, vertical sensing measurement electricity Pole R-Z is integrated into solid memder with the second end points electrode 122 of patterning respectively.
In addition, as shown in fig. 5i, with Fig. 5 A Organic Light Emitting Diode touch control display apparatus 1s primary difference is that, this The Organic Light Emitting Diode touch control display apparatus 1aa of embodiment reference electrode 14 is arranged at thin film transistor base plate 11 away from hair The side of optical element 12.
In addition, as indicated at figure 5j, with Fig. 5 B Organic Light Emitting Diode touch control display apparatus 1t primary difference is that, this The Organic Light Emitting Diode touch control display apparatus 1bb of embodiment reference electrode 14 is arranged at thin film transistor base plate 11 away from hair The side of optical element 12.
In addition, in various embodiments, also can by 5C to Fig. 5 H Organic Light Emitting Diode touch control display apparatus 1s~ 1z, or its reference electrode 14 changed in aspect are arranged at side of the thin film transistor base plate 11 away from light-emitting component 12, this hair It is bright also not limit.
In certain embodiments, reference electrode 14 can be Fig. 6 A to Fig. 6 C patterned electrodes (fence type or grid-like), Or reference electrode 14 is not also patterning, but the electrode in a whole face, the present invention also do not limit.In addition, it can also be used aobvious Showing device metal frame (Metal frame) in itself or metal film (Metal film) treat as reference electrode 14, and its material can For printing opacity (such as ITO) or light tight (such as metal), the present invention does not also limit.
Hereinafter, please respectively refer to shown in Fig. 7 A to Fig. 7 D, wherein, Fig. 7 A to Fig. 7 C are respectively above-mentioned organic light-emitting diodes In pipe touch control display apparatus, in the case of being touched with three-dimensional sensing electrode R-XYZ sensing two dimensions with three-dimensional, in user without touching Touch, there is two dimension to touch with there is control circuit schematic diagram during three-dimensional touch, and Fig. 7 D are the ripple of the touching signals (Vout) of output Shape schematic diagram.
As shown in Figure 7 A, as follows without the touching signals Vout under touching：
V=VM+VR
Vout=VR×n
In addition, as shown in Figure 7 B, the touching signals Vout1 for having two dimension to touch is as follows：
V=VM+VR
Vout1=VR1×n
In addition, as seen in figure 7 c, there is the three-dimensional touching signals Vout2 touched as follows：
V=VM+VR
Vout2=VR2×n
Wherein, CMFor two interelectrode mutual capacitance, CTFor the electric capacity of transmission electrode TX in itself, CRFor three-dimensional sensing electrode R- The electric capacity of XYZ in itself, and CFCaused electric capacity after being contacted for such as finger, and n is enlargement ratio inside IC.
In addition, with initial reference to shown in Figure 10, it is the Organic Light Emitting Diode touch control display apparatus of one embodiment of the invention Touch control detection circuit 15 and sensing electrode RX function block schematic diagram.Organic Light Emitting Diode touch control display apparatus more may include One touch control detection circuit 15, touch control detection circuit 15 electrically connect with sensing electrode RX, and touch control detection circuit 15 can provide a water The vertical touch-control voltage threshold value TH2 of flat touch-control voltage threshold value TH1 and one.
When Organic Light Emitting Diode touch control display apparatus is touched, detection threshold that its horizontal direction (two dimension) is touched Value：The detection threshold value that horizontal touch voltage threshold value TH1 touches with vertical direction (three-dimensional)：Vertical touch-control voltage threshold value TH2 is different.In this, it with the difference of two stage touch-control voltage threshold value to distinguish is two-dimentional touch-control or three-dimensional touch to be. In the present embodiment, as illustrated in fig. 7d, the voltage threshold value (horizontal touch voltage threshold value) of the touching signals of two-dimentional touch-control is TH1, the voltage threshold value (vertical touch-control voltage threshold value) of the touching signals of three-dimensional touch is TH2, and both differ, and is worked as Touch control detection circuit 15 detects touching signals, such as when Vout1 voltage less than voltage threshold value is TH1, then can learn for Two-dimentional touch-control；When touch control detection circuit 15 detects touching signals, such as when Vout2 voltage more than voltage threshold value is TH2, then It can learn as three-dimensional touch.Therefore, by touching signals (Vout) magnitude of voltage, control circuit can distinguish be two dimension touch or Be it is three-dimensional touch, thereby produce corresponding to control action.During compared to non-touch-control, the signal after touch-control has change, can be to become Greatly or diminish, the present invention is not limited thereto.For example, in Fig. 7 D example, during compared to without touch-control, the voltage after two-dimentional touch-control To diminish, the voltage after three-dimensional touch is becomes big, but the present invention is not limited.According to another embodiment, compared to without touch-control When, the voltage after two-dimentional touch-control can be to become big, and the voltage after three-dimensional touch can be to diminish.According to another embodiment, compared to nothing During touch-control, the voltage after two-dimentional touch-control can be to become big, and it is big that the voltage after three-dimensional touch is alternatively change.According to another embodiment, phase During compared with without touch-control, the voltage after two-dimentional touch-control can be to diminish, and the voltage after three-dimensional touch, which is alternatively, to diminish.The present invention is unlimited It is fixed.
In addition, please respectively refer to shown in Fig. 8 A to Fig. 8 C, wherein, Fig. 8 A and Fig. 8 B are respectively above-mentioned organic light-emitting diodes In pipe touch control display apparatus, (i.e. horizontal sensing electrode R-XY in the case that two dimension sensing is different sensing electrodes from three-dimensional sensing Sensing horizontal direction is touched, and vertical sensing measurement electrode R-Z sensing vertical direction is touched, unconformity), in user without touching and have two Control circuit schematic diagram when dimension is touched, and Fig. 8 C are the waveform diagram of the touching signals (Vout) of output.
As shown in Figure 8 A, as follows without the touching signals Vout under touching：
V=VMa+VRa
Vout=VRa×n
In addition, as shown in Figure 8 B, the touching signals Vout1 for having two dimension to touch is as follows：
V=VMa1+VRa1
Vout1=VRa1×n
In addition, as shown in Figure 8 C, in the present embodiment, the voltage threshold value of the touching signals of two-dimentional touch-control is TH1, when tactile Control detection circuit 15 detects touching signals Vout1 voltage when less than voltage threshold value being TH1, then can learn two-dimentional touch-control, Control action corresponding to thereby producing.
In addition, please respectively refer to shown in Fig. 9 A to Fig. 9 C, wherein, Fig. 9 A and Fig. 9 B are respectively above-mentioned organic light-emitting diodes In pipe touch control display apparatus, (i.e. horizontal sensing electrode in the case that two dimension sensing is different sensing electrodes from vertical direction sensing R-XY sensing horizontal direction touch, vertical sensing measurement electrode R-Z sensing vertical direction touch, unconformity), user without touch with Control circuit schematic diagram when thering is the vertical direction to touch, and Fig. 9 C are the waveform diagram of the touching signals (Vout) of output.
As shown in Figure 9 A, as follows without the touching signals Vout under touching：
V=VM+VR
Vout=VRb×n
In addition, as shown in Figure 9 B, the touching signals Vout1 for having vertical direction to touch is as follows：
V=VM+VR
Vout1=VRb1×n
In addition, as shown in Figure 9 C, in the present embodiment, the voltage threshold value of the touching signals of three-dimensional touch is TH2, when tactile Control detection circuit 15 detects touching signals Vout1 voltage when more than voltage threshold value being TH2, then can learn three-dimensional touch, Control action corresponding to thereby producing.
In addition, according to some embodiments, the drive pattern of Organic Light Emitting Diode touch control display apparatus can use full-time drive Dynamic model formula or timesharing drive pattern.When full-time drive pattern, transmission electrode TX can give multiple examples in a picture frame time Such as pulse (Pulse) signal (in hereinafter referred to as drive signal), and obtain by sensing electrode the sensing signal of mutual capacitance change. In addition, in the pattern of timesharing driving, during each picture frame time senses during can including a display with one.Wherein, the phase is sensed Between be to forward drive signals to transmission electrode TX, and the time of sensing signal is received by sensing electrode.
According to some embodiments, when during the sensing of timesharing drive pattern, transmission electrode TX drive signal is sent to (such as pulse signal) can be that correspondence is identical with the first power vd D (Figure 1B) signal.In this, " corresponding identical " is to represent, example Transmission electrode TX pulse signal and the first power vd D pulse signal are such as sent in transmitting at the same time, and its pulse Size (voltage difference) is also identical.In other words, i.e. the signal of the first power vd D follows the drive signal that sends transmission electrode TX to Change.If the reason is that only transmitting drive signal to transmission electrode TX, the electric current for flowing through light-emitting component 12 may be changed, And then influence its illumination effect.Therefore, the first power vd D pulse signal can be made and be sent to transmission electrode TX drive signal Waveform correspond to it is identical, thereby reduce flow through light-emitting component 12 electric current change caused by consequence, make to be sent to transmission electrode TX Drive signal do not interfere with the illumination effect of light-emitting component 12.According to another embodiment, when during sensing, scanning is sent to The signal waveform of line SL scanning signal and the signal waveform of data wire DL data-signal can be with drive signal, the first power supplys VDD, second source VSS signal waveform correspond to identical, are influenceed organic with further avoiding the load excessive of touch control electrode The touch-control quality of light emitting diode touch control display apparatus.In addition, in certain embodiments, when also can be during sensing, control be driven Dynamic transistor T2 is cut-off state, light-emitting component 12 is not lighted, so does, the drive signal transmitted during sensing would not Influence the luminous of light-emitting component 12.Or light-emitting component 12 can be made to be reverse bias without luminous, to avoid influenceing light-emitting component 12 illumination effect.Or the first power vd D or second source VSS suspension joints (Floating), the present invention are not limited.
In addition, in known technology, either full-time drive pattern or timesharing drive pattern, because Organic Light Emitting Diode In the driving transistor of touch control display apparatus, because of driving transistor probably due to technique, material ... or element characteristic difference etc. because Element and the skew (shift) of the critical voltage (threshold voltage, Vth) of transistor may be caused, indirectly cause it is identical Data voltage driving under, the driving current of the Organic Light Emitting Diode of each dot structure has narrow difference and caused The phenomenon (such as producing Mura) of the display picture brightness irregularities of machine light emitting diode touch control display apparatus.It is above-mentioned in order to improve Phenomenon, in certain embodiments, also can be by a pixel compensation circuit, with the critical voltage (Vth) of compensation for drive transistor The phenomenon of picture brightness inequality caused by skew.Such as using 6T1C image element circuit and control come compensation for drive transistor T2 Critical voltage Vth shift caused by display picture brightness disproportionation phenomenon.
In summary,, can be by two in the Organic Light Emitting Diode touch control display apparatus of the present invention according to some embodiments The touch control electrode of dimension or three-dimensional is integrated in organic LED display panel, can be without the use of the contact panel of external hanging type. Moreover, the circuit of control touch controllable function and the circuit of control display function, can be integrated in same control integrated circuit (IC), Thereby reduce the technique and control IC cost of touch control display apparatus.
Illustrative is the foregoing is only, rather than is restricted person.Any spirit and scope without departing from the present invention, and to it The equivalent modifications of progress or change, are intended to be limited solely by right.

Claims (16)

  1. A kind of 1. Organic Light Emitting Diode touch control display apparatus, it is characterised in that including：
    One touch control panel of organic luminous diode, it includes：
    One thin film transistor base plate；
    One light-emitting component, it is arranged on the thin film transistor base plate, and with a first end point electrode, a luminescent layer and one second End points electrode, the second end points electrode are located on the first end point electrode, the luminescent layer be arranged at the first end point electrode with Between the second end points electrode；
    One transmission electrode and a sensing electrode, it is respectively arranged at the top of the luminescent layer；
    One protection base material is relative with the thin film transistor base plate and set；And
    One encapsulated layer, it is arranged between the second end points electrode and the protective substrate.
  2. 2. Organic Light Emitting Diode touch control display apparatus as claimed in claim 1, it is characterised in that the encapsulated layer can press for one Contracting layer.
  3. 3. Organic Light Emitting Diode touch control display apparatus as claimed in claim 1, it is characterised in that the transmission electrode and the sense At least one of survey electrode is arranged between the second end points electrode and the encapsulated layer.
  4. 4. Organic Light Emitting Diode touch control display apparatus as claimed in claim 1, it is characterised in that sensing electrode sensing three Tie up touching signals.
  5. 5. Organic Light Emitting Diode touch control display apparatus as claimed in claim 4, it is characterised in that the sensing electrode has one Horizontal sensing electrode and a vertical sensing measurement electrode.
  6. 6. Organic Light Emitting Diode touch control display apparatus as claimed in claim 5, it is characterised in that the transmission electrode, the water At least one of flat sensing electrode, the vertical sensing measurement electrode are arranged on the inner or outer side of the protection base material.
  7. 7. Organic Light Emitting Diode touch control display apparatus as claimed in claim 5, it is characterised in that the transmission electrode, the water Flat sensing electrode, the vertical sensing measurement electrode and at least one be arranged between the second end points electrode and the encapsulated layer.
  8. 8. Organic Light Emitting Diode touch control display apparatus as claimed in claim 5, it is characterised in that the transmission electrode, the water At least one and the second end points electrode of flat sensing electrode and the vertical sensing measurement electrode are identical components.
  9. 9. Organic Light Emitting Diode touch control display apparatus as claimed in claim 5, it is characterised in that the transmission electrode and vertical Sensing electrode one of is wherein arranged on the inner or outer side of the protection base material, and another one is phase with the second end points electrode Isomorphic product.
  10. 10. Organic Light Emitting Diode touch control display apparatus as claimed in claim 4, it is characterised in that the sensing electrode has One three-dimensional sensing electrode.
  11. 11. Organic Light Emitting Diode touch control display apparatus as claimed in claim 10, it is characterised in that the transmission electrode, be somebody's turn to do At least one of three-dimensional sensing electrode is arranged on the inner or outer side of the protection base material.
  12. 12. Organic Light Emitting Diode touch control display apparatus as claimed in claim 10, it is characterised in that the transmission electrode, be somebody's turn to do At least one of three-dimensional sensing electrode is arranged between the second end points electrode and the encapsulated layer.
  13. 13. Organic Light Emitting Diode touch control display apparatus as claimed in claim 10, it is characterised in that the transmission electrode, three At least one and the second end points electrode for tieing up sensing electrode are identical components.
  14. 14. Organic Light Emitting Diode touch control display apparatus as claimed in claim 10, it is characterised in that the transmission electrode and three Dimension sensing electrode one of is wherein arranged on the inner or outer side of the protection base material, and another one is with the second end points electrode Identical components.
  15. 15. Organic Light Emitting Diode touch control display apparatus as claimed in claim 4, it is characterised in that further include：
    One reference electrode, the thin film transistor base plate is arranged on the inner or outer side of the protection base material or is arranged at away from this The side of light-emitting component.
  16. 16. Organic Light Emitting Diode touch control display apparatus as claimed in claim 4, it is characterised in that further include：
    One touch control detection circuit, is electrically connected with the sensing electrode, and the touch control detection circuit provides a horizontal touch voltage threshold value And a vertical touch-control voltage threshold value, horizontal touch voltage threshold value touch-control voltage threshold value vertical with this are difference.
CN201610783799.5A 2016-08-31 2016-08-31 Organic Light Emitting Diode touch control display apparatus Pending CN107799547A (en)

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