CN108962969A - display panel and electronic device - Google Patents

display panel and electronic device Download PDF

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Publication number
CN108962969A
CN108962969A CN201810999136.6A CN201810999136A CN108962969A CN 108962969 A CN108962969 A CN 108962969A CN 201810999136 A CN201810999136 A CN 201810999136A CN 108962969 A CN108962969 A CN 108962969A
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CN
China
Prior art keywords
layer
electrode
display panel
touch
substrate
Prior art date
Application number
CN201810999136.6A
Other languages
Chinese (zh)
Inventor
唐岳军
Original Assignee
武汉华星光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉华星光电技术有限公司 filed Critical 武汉华星光电技术有限公司
Priority to CN201810999136.6A priority Critical patent/CN108962969A/en
Publication of CN108962969A publication Critical patent/CN108962969A/en

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Classifications

    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/28—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part
    • H01L27/32—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes [OLED]
    • H01L27/3225—OLED integrated with another component
    • H01L27/323—OLED integrated with another component the other component being a touch screen
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; 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

Abstract

The invention proposes a kind of display panel and electronic device, the display panel includes array substrate, and the array substrate includes substrate, the tft layer on the substrate and the touch control layer between the substrate and the tft layer.The present invention reduces the thicknesses of layers of display panel, improves the touch-control sensitivity of display screen by the way that touch control layer is arranged between the substrate and the tft layer.

Description

Display panel and electronic device

Technical field

The present invention relates to display field, in particular to a kind of display panel and electronic device.

Background technique

Touch technology more commonly used at present includes external hanging type touch technology and embedded touch technology.Embedded touch skill Art, which refers to, is integrated into touch sensor inside touch base plate, and external hanging type touch technology is to attach one layer of system in display outer surface The transparent cover plate of touch sensing is made, is reduced compared to embedded touch technical difficulty many.

OLED display in the prior art is mostly external hanging type touch technology, increases the thickness of display panel, is unfavorable for The lightening development of display, and it is more to touch sensor manufacturing process.And as mobile phone is lightening, embedded touch technical application It is more and more.The present invention is based on this background techniques to propose a kind of OLED display screen of embedded touch technology.

Summary of the invention

The present invention provides a kind of display panel and electronic device, with solve the touch-control sensitivity of existing OLED display panel compared with Weak technical problem.

To solve the above problems, technical solution provided by the invention is as follows:

The present invention provides a kind of display panel comprising array substrate, the light emitting device layer in the array substrate, The array substrate includes:

Substrate；

Tft layer on the substrate；And

Touch control layer between the substrate and the tft layer.

In display panel of the invention, the touch control layer includes at least two first electrodes and at least two second electricity Pole, the first electrode insulate and arranged in a crossed manner with the second electrode.

In display panel of the invention, including at least one first insulation between the first electrode and the second electrode Layer.

In display panel of the invention, the first electrode and the second electrode same layer are arranged；

Wherein, adjacent two first electrodes are electrically connected by the first metal bridge；Or

Adjacent two second electrode is electrically connected by the second metal bridge.

In display panel of the invention, in first metal bridge or second metal bridge and the array substrate Grid layer is formed in light shield technique with along with.

In display panel of the invention, the first electrode includes at least one first opening, first opening and institute The pixel unit for stating display panel corresponds；

The second electrode includes at least one second opening, the pixel unit one of second opening and the display panel One is corresponding.

In display panel of the invention, the touch control layer include at least two be in array distribution third electrode, it is each The third electrode corresponding at least one touch-control conducting wire includes at least 1 the between the touch-control conducting wire and the third electrode Two insulating layers.

In display panel of the invention, the grid layer in the touch-control conducting wire and the array substrate is in the light shield with along with It is formed in technique.

In display panel of the invention, the third electrode is open including an at least third, the third opening and institute The pixel unit for stating display panel corresponds.

The invention also provides a kind of electronic device, the electronic device includes above-mentioned display panel.

The utility model has the advantages that the present invention is reduced by the way that touch control layer is arranged between the substrate and the tft layer The thicknesses of layers of display panel improves the touch-control sensitivity of display screen.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution in the prior art Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only some of invention Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these Figure obtains other attached drawings.

Fig. 1 is the film layer structure figure of one display panel of the embodiment of the present invention；

Fig. 2 is the film layer structure figure of one touch control layer of the embodiment of the present invention；

Fig. 3 is the plane structure chart of one touch control layer of the embodiment of the present invention；

Fig. 4 is the film layer structure figure of two display panel of the embodiment of the present invention；

Fig. 5 is the plane structure chart of two touch control layer of the embodiment of the present invention；

Fig. 6 is the film layer structure figure of three display panel of the embodiment of the present invention；

Fig. 7 is the plane structure chart of three touch control layer of the embodiment of the present invention；

Fig. 8 is a kind of display panel touch control layer plane structure chart of the present invention；

Fig. 9 is the film layer structure figure of four display panel of the embodiment of the present invention；

Figure 10 is the overlooking structure figure of four touch control layer of the embodiment of the present invention；

Figure 11 is another overlooking structure figure of four touch control layer of the embodiment of the present invention.

Specific embodiment

The explanation of following embodiment is referred to the additional illustration, the particular implementation that can be used to implement to illustrate the present invention Example.The direction term that the present invention is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side] Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than to The limitation present invention.The similar unit of structure is with being given the same reference numerals in the figure.

Fig. 1 show the film layer structure figure of one display panel of the embodiment of the present invention comprising array substrate is located at the battle array Light emitting device layer on column substrate and the encapsulated layer on the light emitting device layer；

The array substrate includes substrate 101 and the tft layer 102 on the substrate 101；Wherein, described The raw material of substrate 101 can be one of glass substrate, quartz base plate, resin substrate etc..

The tft layer 102 includes ESL (etch stop layer type), BCE (back channel etch type) or Top-gate (top-gate thin-film transistors type) structure, specific there is no limit；Such as top-gate thin-film transistors type includes: buffer layer, active layer, grid Insulating layer, grid layer, insulating layer, source-drain electrode layer and flatness layer.

The light emitting device layer includes anode layer 109, the luminescent layer 110 on the anode layer 109 and is located at described Cathode layer 111 on luminescent layer 110；

The anode layer 109 is formed on the flatness layer, and the anode layer 109 includes at least two one-tenth array arrangements Anode, the anode layer 109 are mainly used for providing the hole for absorbing electronics；In the present embodiment, luminescent device (OLED) is bottom hair Emitting OLED device, therefore the anode layer 109 is transparent metal electrode；

Preferably, the material of the anode layer is chosen as indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO), at least one of indium oxide (In2O3), indium gallium oxide (IGO) or zinc oxide aluminum (AZO)；

The luminescent layer 110 is formed on the anode layer 109, and the luminescent layer 110 is divided by the pixel defining layer 112 It is divided into multiple luminescence units, each corresponding anode of the luminescence unit；The hole absorption institute that the anode layer 109 generates It states cathode layer 111 and generates electronics, and generate light source in the luminescent layer 110.

The cathode layer 111 is formed on the light emitting device layer, the cathode layer 111 cover the luminescent layer 110 and The pixel defining layer 112 in the array substrate；In the present embodiment, the cathode layer 111 is non-transparent material, is made The light that luminescent layer 110 generates is projected by the cathode layer 111 to 101 direction of substrate；

Preferably, the material of the cathode layer is chosen as silver (Ag), aluminium (Al), chromium (Cr), molybdenum (Mo), tungsten (W), titanium (Ti), one of golden (Au), palladium (Pd) or more than one composition.

In addition, the display panel further includes touch control layer 103, the touch control layer 103 be located at the substrate 101 with it is described thin Between film transistor layer 102；Wherein, the touch control layer 103 includes at least two first electrodes and at least two second electrodes, institute First electrode is stated to insulate with the second electrode and arranged in a crossed manner.

As shown in Fig. 2, the touch control layer 103 is including the first metal layer 104, second metal layer 105 and positioned at described first At least one first insulating layer 106 between metal layer 104 and the second metal layer 105；

As shown in figure 3, the first metal layer 104 includes multiple first electrodes 107 that multirow is arranged along first direction, institute Stating second metal layer 105 includes multiple second electrodes 108 for being arranged in a second direction of multiple row, the first electrode 107 with it is described Second electrode 108 insulation and it is arranged in a crossed manner；

It should be understood that the shape of the first electrode 107 and the second electrode 108 does not limit specifically, preferably It is quadrangle；

Preferably, the material of first insulating layer 106 be can be with one of silica, silicon nitride, silicon oxynitride etc. Or more than one combination.

Fig. 4 show the film layer structure figure of two display panel of the embodiment of the present invention, and Fig. 5 is the structure of two touch control layer of embodiment Figure；As seen from the figure, the touch control layer 203 includes multiple first electrodes 207 and multiple row that multirow is arranged along first direction along second Multiple second electrodes 208 of direction setting, the first electrode 207 insulate and arranged in a crossed manner with the second electrode 208；Its In, the first electrode 207 is arranged with 208 same layer of second electrode, i.e., passes through the light shield technique shape with along with by same metal layer At；

Further, in a first direction, adjacent two first electrodes 207 are electrically connected by the first metal bridge；Alternatively, In a second direction, adjacent two second electrodes 208 are electrically connected by the second metal bridge；For example, as shown in Figures 4 and 5, On first direction, adjacent two first electrode 207 is electrically connected by the first metal bridge 212；It should be understood that first gold medal Belong to bridge and second metal bridge only has one of them and the first electrode and the second electrode different layers；

In the present embodiment, first metal bridge 212 or the second metal bridge exist with the grid layer in the array substrate It is formed in light shield technique with along with；

Preferably, the metal material of first metal bridge 212 or second metal bridge can close for molybdenum, aluminium, aluminium nickel The composition of above-mentioned several metal materials also can be used in the metals such as gold, molybdenum and tungsten alloy, chromium or copper, described in the present embodiment The metal material of one metal bridge 212 or second metal bridge is molybdenum；

It should be understood that the touch control layer 203 in the present embodiment only includes a metal layer, film compared with embodiment one Layer structure is thinner, and simplifies technique, has saved cost.

It is different from embodiment one or embodiment two such as the film layer structure figure that Fig. 6 is three display panel of the embodiment of the present invention It is that the touch control layer 303 includes at least one first opening 313 in the first electrode 307 and is located at second electricity At least one second opening 314 on pole 308；

As shown in fig. 7, the first electrode 307 includes three first openings 313 or the second electrode 308 includes Three second openings 314；It should be understood that first opening 313 and the hair in the pixel unit of the display panel Light unit corresponds；Similarly, second opening 314 and the luminescence unit one in the display panel pixel unit are a pair of It answers；

It should be understood that the setting of first opening 313 and second opening 314, so that the luminescence unit is sent out Light is directed through 313 or described second opening 314 of the first opening out, increases the luminous efficiency of luminescent device；Also, The first electrode 307 and the second electrode 308 need not be limited to transparent metal material in material selection, expand touch-control The range of choice of metal material in layer.

It should be understood that embodiment one is into embodiment three in the present invention, as shown in figure 8, the first electrode and described Second electrode can be substituted in the form of metal wire, i.e., metal wire is arranged in the non-light-emitting area between each pixel unit To form metal grill, regardless of opening the problem of.

Fig. 9 show the film layer structure figure of four display panel of the embodiment of the present invention, and the present embodiment is similar with embodiment two, no It is with place:

The touch control layer 403 includes the third electrode 415 that at least two be in array distribution, each third electrode 415 The corresponding at least one touch-control conducting wire 416 includes at least one second between the touch-control conducting wire 416 and the third electrode 415 Insulating layer (not shown)；

As shown in Figure 10, shown touch control layer 403 includes the third electrode 415 in array distribution (3X4), each described Third electrode 415 corresponds to a touch-control conducting wire 416；

Further, the touch-control conducting wire 416 and the grid layer in the array substrate are in the shape in light shield technique with along with At；Preferably, the metal material of the touch-control conducting wire 416 can be the gold such as molybdenum, aluminium, alumel, molybdenum and tungsten alloy, chromium or copper Belong to, the composition of above-mentioned several metal materials also can be used, the metal material of touch-control conducting wire described in the present embodiment 416 is Molybdenum；

Preferably, the material of the second insulating layer be can be with one of silica, silicon nitride, silicon oxynitride etc. or one Kind or more combination；It should be understood that the second insulating layer 417 can be the buffer layer in the array substrate；

Further, the third electrode 415 is open including an at least third, the third opening and the display panel Pixel unit correspond；

As shown in figure 11, the third electrode 415 includes three third openings 418, the third opening 418 and institute The luminescence unit stated in display panel pixel unit corresponds；It should be understood that the setting of third opening and described the The setting principle of one opening or second opening is identical, mainly for improving the luminous efficiency of luminescent device and releasing third The limitation of electrode matel material.

It should be understood that with bottom light emitting-type OLED display as an example, but it is not limited to this in above-described embodiment, such as The present invention can be also used for top light emitting-type OLED display, transparent OLED display.

The invention also provides a kind of electronic device, the electronic device includes above-mentioned display panel.It should be understood that institute State electronic device include but is not limited to mobile phone, tablet computer, computer display, game machine, television set, display screen, can Wearable device and other living electric apparatus or household electrical appliance having a display function etc..

The invention proposes a kind of display panel and electronic device, the display panel includes array substrate, the array Substrate includes substrate, the tft layer on the substrate and between the substrate and the tft layer Touch control layer.The present invention reduces display panel by the way that touch control layer is arranged between the substrate and the tft layer Thicknesses of layers, improve the touch-control sensitivity of display screen.

In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention Decorations, therefore protection scope of the present invention subjects to the scope of the claims.

Claims (10)

1. a kind of display panel, which is characterized in that the light emitting device layer including array substrate and in the array substrate, institute Stating array substrate includes:
Substrate；
Tft layer on the substrate；And
Touch control layer between the substrate and the tft layer.
2. display panel according to claim 1, which is characterized in that the touch control layer include at least two first electrodes and At least two second electrodes, the first electrode insulate and arranged in a crossed manner with the second electrode.
3. display panel according to claim 2, which is characterized in that wrapped between the first electrode and the second electrode Include at least one first insulating layer.
4. display panel according to claim 2, which is characterized in that the first electrode is set with the second electrode same layer It sets；
Wherein, adjacent two first electrodes are electrically connected by the first metal bridge；Or
Adjacent two second electrode is electrically connected by the second metal bridge.
5. display panel according to claim 4, which is characterized in that first metal bridge or second metal bridge with Grid layer in the array substrate is formed in light shield technique with along with.
6. display panel according to claim 2, which is characterized in that the first electrode includes at least one first opening, First opening and the pixel unit of the display panel correspond；
The second electrode includes at least one second opening, and second opening and the pixel unit one of the display panel are a pair of It answers.
7. display panel according to claim 1, which is characterized in that it is in array distribution that the touch control layer, which includes at least two, Third electrode, the corresponding at least one touch-control conducting wire of each third electrode, the touch-control conducting wire and the third electrode Between include an at least second insulating layer.
8. display panel according to claim 7, which is characterized in that the grid in the touch-control conducting wire and the array substrate Pole layer is formed in light shield technique with along with.
9. display panel according to claim 8, which is characterized in that the third electrode is open including an at least third, The third opening and the pixel unit of the display panel correspond.
10. a kind of electronic device, which is characterized in that the electronic device includes display according to any one of claims 1 to 9 Panel.
CN201810999136.6A 2018-08-30 2018-08-30 display panel and electronic device CN108962969A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810999136.6A CN108962969A (en) 2018-08-30 2018-08-30 display panel and electronic device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810999136.6A CN108962969A (en) 2018-08-30 2018-08-30 display panel and electronic device
PCT/CN2018/105651 WO2020042241A1 (en) 2018-08-30 2018-09-14 Display panel and electronic device

Publications (1)

Publication Number Publication Date
CN108962969A true CN108962969A (en) 2018-12-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Link
CN (1) CN108962969A (en)
WO (1) WO2020042241A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105183201B (en) * 2014-05-26 2018-05-18 上海和辉光电有限公司 Touching display screen
CN104636021A (en) * 2015-02-02 2015-05-20 京东方科技集团股份有限公司 Curved-surface display panel and display device
CN105895657B (en) * 2015-02-13 2020-05-05 鸿富锦精密工业（深圳）有限公司 Thin film transistor substrate and touch display panel with same
CN105742330A (en) * 2016-03-16 2016-07-06 京东方科技集团股份有限公司 Organic light emitting display panel, fabrication method thereof and display device
CN107092399B (en) * 2017-05-12 2019-09-13 京东方科技集团股份有限公司 A kind of OLED array and preparation method thereof, touch control display apparatus
CN107180852B (en) * 2017-05-18 2019-11-15 上海天马有机发光显示技术有限公司 A kind of touch-control display panel and display device
CN107425041B (en) * 2017-07-27 2020-01-31 上海天马微电子有限公司 touch display panel, device and manufacturing method

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