CN205665670U - Low reflection OLED display device of integrated resistor touch function - Google Patents

Abstract

The utility model discloses a low reflection OLED display device of integrated resistor touch function, OLED display screen in proper order this be equipped with the TFT base plate glass that shows the function has, ITO apron glass, wave plate, vibration -damping sheet and glass apron partially, ITO glass cover plate and wave plate face have in opposite directions plated the ITO conducting layer, and be two -layer introns between the ITO conducting layer. The utility model discloses fully having studied the structural feature of OLED screen with the resistance touch -sensitive screen, having makeed ITO and touch -control circuit and make it have the touch -control function simultaneously on the glass cover plate of traditional OLED screen, borrowd traditional OLED simultaneously and use the inclined to one side vibration -damping sheet of circle to subtract the principle of turning over, the inclined to one side vibration -damping sheet of circle of shielding former OLED shifts up to the lower surface that subtracts anti - glass apron, compare in the simple laminating of traditional OLED screen with the resistance touch -sensitive screen, the utility model discloses effectively reduce the thickness and the surface reflection of touch -sensitive screen, practiced thrift raw and other materials and cost.

Description

The low reflection OLED display of integrated resistor touch function

Technical field

This utility model relates to display screen field, particularly relates to the low reflection OLED display screen of a kind of integrated resistor touch screen Structure.

Background technology

Along with the development of Display Technique, OLED Display Technique is the most ripe, and the trend of substituted lcd technology. OLED have high colour gamut, wide viewing angle, temperature ultra-thin, wide work, low operating temperatures without heating, shock resistance is good, it is soft to realize Property the advantage such as show, its application in military display field more gets up.Its basic structure is as it is shown in figure 1, include TFT Glass, glass cover-plate, circular polarizing disk.TFT glass typically use alkali-free glass thick for 0.3mm-1mm as substrate, on substrate Making has TFT control circuit, organic luminous layer and uses thin film encapsulation processes that it is packaged protection, and TFT glass is OLED The core of display screen, it completes OLED all displays function；Glass cover-plate is to protect the TFT on TFT glass to control electricity Road, organic luminous layer and packaging film and increase one floor protection glass, generally 0.3mm-1mm glass, edge with TFT glass sealing, prevents steam, oxygen from entering and destroys organic luminous layer, be possible to prevent the physical damage of external force simultaneously；Circular polarization Sheet attaches and the surface of protection glass cover-plate, and its Main Function is the surface reflection reducing OLED screen, each functional layer on TFT glass Mostly being metal or semi-conducting material, reflection is very strong, and general surface can reach 30%-60%, has a strong impact on the aobvious of OLED screen Show the readability of picture, cannot use the most especially, and can be anti-by surface after employing circular polarizing disk Penetrating within being reduced to 5%, the brightness of OLED screen simultaneously only decays about 50%, thus obtains preferable contrast and display effect Really.

The touch screen technology application in military display field also gets more and more, including electric resistance touch screen, infrared touch panel, electricity Holding touch screen, wherein electric resistance touch screen because of its simple in construction, reliability height, environmental suitability by force, is widely used.Wherein five line knot The electric resistance touch screen reliability of structure is the highest, and application is the widest, its basic structure as in figure 2 it is shown, include one layer of ITO film, one piece Ito glass and the introns between two-layer ITO, ITO film and ito glass are bonded in one by the two-sided tape of surrounding Rising, the upper surface of ito glass has ITO conductive layer, and the surrounding of ITO conductive layer is disposed with touch control electrode, when corresponding electrode it Between when applying voltage, ITO cover-plate glass will form a uniform Electric Field Distribution, different coordinate position correspondences differences it on Magnitude of voltage.ITO film is equivalent to detector, and when touch screen is not touched, two-layer ITO is separated by introns, ITO There is no voltage on film, when operator press with finger ITO film touch time, corresponding on ITO film and ITO glass Position contact conducting, ITO film i.e. can detect the magnitude of voltage of correspondence position on ITOglass, thus be converted into relatively Coordinate figure, it is achieved touch location.

To use electric resistance touch screen in OLED screen, need to be placed in above OLED screen electric resistance touch screen, but due to electricity Resistance touch screen is made up of multiple structure, and the reflection of its surface is relatively big, and common electric resistance touch screen is placed in OLED screen surface, and its surface is anti- Penetrating about 15%-20%, it is readable poor to cause under screen high light out of doors, the most on the touchscreen after laminating electric resistance touch screen General thickness also can increase more.

Utility model content

Technical problem to be solved in the utility model be realize a kind of structure more simplify, use relatively reliable integrated The low reflection OLED display screen of electric resistance touch screen.

To achieve these goals, the technical solution adopted in the utility model is: a kind of integrated resistor touch function low Reflection OLED display, this is provided with and has the TFT substrate glass of display function, ITO cover-plate glass, ripple OLED display screen successively Sheet, polaroid and glass cover-plate, described ITO cover-plate glass and wave plate forward surface be coated with ITO conductive layer, ITO conduction described in two-layer Introns it are provided with between Ceng.

Described ITO cover-plate glass includes cover-plate glass and is made in the ITO conductive layer of cover-plate glass upper surface, described cover plate The ITO conductive layer periphery of glass has the control circuit controlled as resistive touch, and described control circuit passes through soft band and touch-control Chip connects.

Described wave plate is 1/4 λ wave plate, and the lower surface of described wave plate makes has ITO conductive layer, ITO conductive layer periphery to have The circuit controlled as resistive touch, described circuit is connected with the control circuit on ITO cover-plate glass, and by soft band and touch-control Chip connects, and the lower surface of described wave plate has the anti-Newton's ring that mist degree is about 3% and processes.

Described polaroid is linear polarizer, and its polarization is 45 ° through the fast axle clamp angle of axle with described wave plate.

Described glass cover-plate is 0.1mm～the one side anti-reflection strengthening glass of 0.3mm thickness, and the one side of described glass cover-plate is coated with Efficiently antireflective film, the reflectance of described efficient antireflective film is less than 0.5%.

The lower surface of described ITO cover-plate glass and TFT substrate glass surrounding are by frame adhesive sealing-in, described wave plate and cover plate Glass surrounding is bonding by two-sided tape, fits tightly between described wave plate and polaroid, and described polaroid is tight with glass cover-plate Closely connected conjunction.

Described introns are to be produced on ITO cover-plate glass upper surface by gold-tinted technique., in order to support circular polarizing disk with Spacing between ITO cover-plate glass.

Make on the one side antireflective strengthening glass of described TFT substrate glass and have metallic cathode, TFT circuit, organic light emission Layer, ito anode, control IC, thin-film encapsulation layer, described TFT circuit is connected with mainboard by FPC.

This utility model makes ITO cover-plate glass and electrode at the upper surface of original OLED screen glass cover-plate so that it is become The ITOTFT base plate glass of electric resistance touch screen, makes ITO cover-plate glass by the lower surface of the circular polarizing disk of original OLED screen so that it is Become the ITO film of electric resistance touch screen, original OLED material and structure thus can be utilized to realize the merit of resistive touch Can, decreasing cost and the waste of material of electric resistance touch screen of fitting in tradition OLED screen, overall thickness has obtained obvious reduction, Reduce the surface reflection that OLED screen is overall simultaneously, improve light penetration, substantially increase the readability of whole system.

Accompanying drawing explanation

Labelling in the content expressed every width accompanying drawing in this utility model description below and figure is briefly described:

Fig. 1 is the typical structure schematic diagram of OLED screen；

Fig. 2 is the typical structure schematic diagram of electric resistance touch screen；

Fig. 3 is the low reflection OLED display screen structural representation of integrated resistor touch function；

Fig. 4 is the OLED screen structural representation of 7.7 cun of integrated five line resistance touch functions；

Labelling in above-mentioned figure is:

101, circular polarizing disk；102, cover-plate glass；103, TFT substrate glass；104, display control chip；105、FPC； 106, one side anti-reflection strengthening glass；107, touch chip；108, graphite flake；201, ito glass；202, two-sided tape；203、ITO film；204, introns；205, ITO conductive layer and touch-control circuit；206, soft band.

Detailed description of the invention

Below against accompanying drawing, by the description to embodiment, the most involved each of detailed description of the invention of the present utility model Mutual alignment between the shape of component, structure, each several part and annexation, the effect of each several part and operation principle, manufacture work Skill and operate with method etc., is described in further detail, to help those skilled in the art to practicality of the present utility model Novel design, technical scheme have more complete, accurate and deep understanding.

OLED screen is the developing direction of following Display Technique, and resistive touch is the touch technology that current Military Application is the widest, The low reflection OLED display screen of the integrated resistor touch function that the utility model proposes has great application prospect.

This utility model fully have studied the construction features of OLED screen and electric resistance touch screen, at original OLED screen glass cover-plate Upper surface make ITO layer, touch-control circuit and introns so that it is become the ito glass of electric resistance touch screen, in original OLED screen The lower surface of circular polarizing disk makes ITO layer so that it is become the ITO film of electric resistance touch screen, circular polarizing disk and cover-plate glass surrounding Bonded together by insulation double faced adhesive tape and become an entirety, a piece of about 0.2mm thickness of simultaneously fitting on circular polarizing disk One side anti-reflection strengthening glass, compared to the simple laminating of tradition OLED screen with electric resistance touch screen, this utility model effectively reduces The thickness of touch screen and surface reflection, saved raw material and cost.

This OLED screen structure is as it is shown on figure 3, at least include the TFT substrate glass 103 with OLED display function, to TFT The cover-plate glass 102 that base plate glass 103 shields, circular polarizing disk 101, one side anti-reflection strengthening glass 106, it is produced on circle partially Shake sheet 101 lower surface and the ITO conductive layer of cover-plate glass 102 upper surface and the touch-control circuit 205 of surrounding, and is produced on cover plate For isolating itself and the introns 204 of ITO layer, two-sided tape 202 etc. on circular polarizing disk 101 on glass 102.

TFT substrate glass 103 includes metallic cathode, TFT substrate circuit, organic luminous layer, ito anode, thin-film encapsulation layer Deng, it is welded with display control chip 104, the functional layer relevant to display and device have all made on TFT substrate substrate Become.Display mainboard is connected with TFT substrate glass 103 by FPC105, thus realizes powering to TFT substrate glass 103 and showing The input of signal.

Cover-plate glass 102 upper surface deposition has ITO conductive layer, and has resistive touch control in the making of periphery conductive silver paste Circuit, touch-control circuit is connected with touch controller by soft band 206.The introns that comparison is trickle are also made on ITO surface 204 are used for supporting between cover-plate glass 102 and circular polarizing disk 101 interval.The lower surface of cover-plate glass 102 and TFT substrate glass The surrounding of 103 passes through frame adhesive sealing-in, thus completely cuts off oxygen and the steam in the external world, to the display functional layer on base plate glass 103 Playing a protective role, cover-plate glass 102 serves as again the ito glass of touch screen simultaneously, with the circular polarizing disk being coated with ITO conductive layer 101 main functional parts together constituting electric resistance touch screen.

The lower surface plating ITO layer of circular polarizing disk 101, the periphery of ITO layer makes corresponding touch-control circuit, and and glass cover-plate Touch-control circuit on 102 connects, in order to when preventing from touching, lower surface contacts generation Newton's ring phenomenon with cover-plate glass 102, typically Atomization can be done at the lower surface of circle inclined 101 to process, thus avoid the appearance of Newton's ring defect.

Polaroid 102 is linear polarizer, and its polarization is through axle and the speed axle clamp 45° angle of 1/4 λ wave plate 103, thus is formed One circular polarizing disk, reduces the ambient light reflection on OLED screen surface.

The Main Function of one side antireflective strengthening glass 106 is to reduce surface reflection, improves the hard of touch screen surface simultaneously Degree, the general glass using 0.1mm～0.3mm thickness makees substrate, and such thickness is less on touching intensity impact, simultaneously at substrate Upper surface be coated with efficient antireflective film, its reflectance is generally less than 0.5%.

Wherein TFT substrate glass 103 and cover-plate glass 102 are by frame adhesive sealing-in, circular polarizing disk 101 and cover-plate glass 102 is bonding by the double faced adhesive tape of surrounding, and zone line is separated by introns 204, circular polarizing disk 101 upper surface and one side anti-reflection Strengthening glass 101 lower surface is fitted tightly by optical cement, material is thus formed a kind of integrated resistor of the present utility model and touches The low reflection OLED display screen of function, it is aobvious that this screen is connected realization by the FPC105 on TFT substrate glass 103 with display mainboard Show function, be connected with touch chip by the soft band 206 on cover-plate glass 102, thus realize touch control.

This utility model compared with the simple laminating of electric resistance touch screen, decreases one piece of cover plate glass with traditional OLED screen Glass, is reduced to less than 1% by surface reflection by 15%～20% simultaneously, and be greatly improved under OLED screen high light out of doors is visual Property, the one side anti-reflection strengthening glass 106 on surface is effectively increased display screen surface hardness and ruggedness simultaneously.

Below as a example by the OLED screen of integrated five line resistance touch functions describe in detail, as shown in Figure 4, this screen mainly by TFT substrate glass 103, cover-plate glass 102, circular polarizing disk 101,0.2mm one side antireflective strengthening glass 106, it is integrated with touch-control The FPC105 of chip 107, and the introns 204 between cover-plate glass 102 and circular polarizing disk 101 and two-sided tape 202 Deng composition.

Wherein TFT substrate base plate glass 103 have employed the alkali-free glass that 0.7mm is thick, make thereon have metallic cathode, TFT substrate circuit, organic luminous layer, ito anode, display control chip 104, thin-film encapsulation layer etc., TFT substrate circuit passes through FPC105 is connected with mainboard, and FPC105 is integrated with touch control chip 107, and the lower surface at TFT substrate glass is covered with The graphite flake 108 that 0.15mm is thick, plays the effect of shielding, heat conduction, can also absorb the unnecessary light from lower surface transmission simultaneously.

Cover-plate glass 102 has selected the soda-lime-silica glass that 1.0mm is thick, its upper surface deposition ITO conductive layer, conducts electricity at ITO The periphery of layer has five line resistances to touch circuit by the slurry making of silk-screened conductive silver, and touch-control circuit passes through soft band 206 and is integrated in Touch chip 107 on FPC105 connects.Diameter has been made by gold-tinted technique on ITO conductive layer on cover-plate glass 102 , the introns 204 of spacing 4mm thick for 0.15mm for 0.15mm, height be used for supporting cover-plate glass 102 and circular polarizing disk 101 it Between be spaced.

Circular polarizing disk 101 lower surface does the anti-Newton's ring that mist degree is 3% and processes, then plates ITO conductive layer, ITO conductive layer Periphery makes a circle conductive silver paste, and is connected by the touch-control circuit conducting that conducting resinl is corresponding with on cover-plate glass 102.

Linear polarizer has selected thickness to be that 0.15mm is thick, polarize through axle and the speed axle clamp 45° angle of 1/4 λ wave plate 103 Line is inclined.

0.2mm one side antireflective strengthening glass uses chemically reinforced glass thick for 0.2mm to make substrate, and the one side at substrate is plated Having efficient antireflective film, its reflectance is generally 0.3%, case hardness 7H.

Wherein TFT substrate glass 103 and cover-plate glass 102 are by frame adhesive sealing-in, circular polarizing disk 101 and cover-plate glass 102 is bonding by double faced adhesive tape that surrounding 0.125mm is thick and insulate, and zone line is separated by introns 204, circular polarizing disk 101 And entirely fitted by OCA between the strengthening glass 106 of one side anti-reflection.

The OLED display screen surface reflection 0.8% of this embodiment, gross thickness is 2.5mm.This OLED screen passes through FPC105 Being connected with display mainboard, mainboard controls OLED screen by FPC105 to display control chip 104 input signal and shows, by integrated Touch chip on FPC105 107 is powered to touch screen and detects touch-control coordinate points.

Above in conjunction with accompanying drawing, this utility model is exemplarily described, it is clear that this utility model implements and is not subject to The restriction of aforesaid way, as long as have employed changing of the various unsubstantialities that method of the present utility model is conceived and technical scheme is carried out Enter, or the most improved design of the present utility model and technical scheme are directly applied to other occasion, all at this utility model Protection domain within.

Claims (8)

1. the low reflection OLED display of integrated resistor touch function, it is characterised in that: this is provided with tool to OLED display screen successively There are the TFT substrate glass of display function, ITO cover-plate glass, wave plate, polaroid and glass cover-plate, described ITO cover-plate glass and ripple Sheet forward surface is coated with ITO conductive layer, is provided with introns described in two-layer between ITO conductive layer.

The low reflection OLED display of integrated resistor touch function the most according to claim 1, it is characterised in that: described ITO cover-plate glass includes cover-plate glass and is made in the ITO conductive layer of cover-plate glass upper surface, and the ITO of described cover-plate glass leads Electric layer periphery has the control circuit controlled as resistive touch, and described control circuit is connected with touch chip by soft band.

The low reflection OLED display of integrated resistor touch function the most according to claim 2, it is characterised in that: described Wave plate is 1/4 λ wave plate, and the lower surface of described wave plate makes has ITO conductive layer, ITO conductive layer periphery to have as resistive touch The circuit controlled, described circuit is connected with the control circuit on ITO cover-plate glass, and is connected with touch chip by soft band, institute The lower surface stating wave plate has the anti-Newton's ring process that mist degree is about 3%.

The low reflection OLED display of integrated resistor touch function the most according to claim 3, it is characterised in that: described Polaroid is linear polarizer, and its polarization is 45 ° through the fast axle clamp angle of axle with described wave plate.

5., according to the low reflection OLED display of the integrated resistor touch function described in claim 1,2,3 or 4, its feature exists In: described glass cover-plate is 0.1mm～the one side anti-reflection strengthening glass of 0.3mm thickness, and the one side of described glass cover-plate is coated with efficiently Antireflective film, the reflectance of described efficient antireflective film is less than 0.5%.

The low reflection OLED display of integrated resistor touch function the most according to claim 5, it is characterised in that: described The lower surface of ITO cover-plate glass and TFT substrate glass surrounding are by frame adhesive sealing-in, and described wave plate passes through with cover-plate glass surrounding Two-sided tape is bonding, fits tightly between described wave plate and polaroid, and described polaroid fits tightly with glass cover-plate.

7. according to the low reflection OLED display of the integrated resistor touch function described in claim 1 or 6, it is characterised in that: Described introns are to be produced on ITO cover-plate glass upper surface by gold-tinted technique.

The low reflection OLED display of integrated resistor touch function the most according to claim 7, it is characterised in that: described Make on the one side antireflective strengthening glass of TFT substrate glass and have metallic cathode, TFT circuit, organic luminous layer, ito anode, control IC processed, thin-film encapsulation layer, described TFT circuit is connected with mainboard by FPC.