CN206348772U - Touch display unit - Google Patents
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- CN206348772U CN206348772U CN201621493648.8U CN201621493648U CN206348772U CN 206348772 U CN206348772 U CN 206348772U CN 201621493648 U CN201621493648 U CN 201621493648U CN 206348772 U CN206348772 U CN 206348772U
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- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical group [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 15
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The utility model is related to a kind of touch display unit, and touch display unit includes：Touch panel, micro- LED display panel and control module, the touch panel is covered in micro- LED display panel, the touch panel includes touch-screen and touch control circuit, micro- LED display panel includes micro- LED display and display control circuit, and the touch control circuit and the display control circuit are connected with the control module respectively.Above-mentioned touch display unit, display panel employs micro- LED component, it is possible to increase display contrast, response speed, resolution ratio and color saturation, also and can extend the service life of touch display unit.
Description
Technical field
The utility model is related to display technology field, more particularly to a kind of touch display unit.
Background technology
Current flat-panel monitor product is main with LCD (Liquid Crystal Display, liquid crystal display), EPD
(Electrophoretic, electrophoresis showed) and OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode)
For main display panel.
Wherein EPD display panels are mainly used in class paper and shown, color is less and response speed is slow.LCD display panel
For non-spontaneous smooth display panel, it is necessary to which backlight module, contrast is relatively low, especially when hanging with touch panel outside LCD display panel
When, because touch panel has certain light loss, it reduce further and display contrast, influence display effect.And OLED is shown
Although panel can be from main light emission, it is luminous dependent on blue phosphorescent organic material, due to the stabilization of blue phosphorescent organic material
Low, the easy loss of property, therefore the life-span of OLED display panel is shorter.
Utility model content
Based on this, it is necessary to provide a kind of touch display unit, the response speed of touch display unit can be lifted, differentiated
Rate, color saturation, extend the service life of touch display unit.
A kind of touch display unit, including：Touch panel, micro- LED display panel and control module, the touch panel patch
It is overlying in micro- LED display panel, the touch panel includes touch-screen and touch control circuit, micro- LED display surfaces
Plate includes micro- LED display and display control circuit, the touch control circuit and the display control circuit respectively with it is described
Control module is connected；Micro- LED display is provided with some pixel cells in array distribution, and each pixel cell is set
It is equipped with least one micro- LED component.
In one of the embodiments, the touch display unit also includes flexible PCB, the touch control circuit
And the display control circuit is connected by the flexible PCB with the control module respectively.
In one of the embodiments, the control module includes power supply output control circuit and control unit；
Described control unit connects the power supply output control circuit, the display control circuit and the touch control respectively
Circuit processed；
The power supply output control circuit connects the display control circuit and the touch control circuit respectively.
In one of the embodiments, the touch display unit also includes glass cover-plate.
In one of the embodiments, the touch-screen includes ito glass substrate, the ito glass substrate and the glass
Glass cover plate is fitted setting entirely.
In one of the embodiments, the touch-screen includes individual layer ITO touch films, and the individual layer ITO touches film
Fitted full setting with the glass cover-plate.
In one of the embodiments, the touch-screen includes bilayer ITO touch films, and the double-deck ITO touches film
Fitted full setting with the glass cover-plate.
In one of the embodiments, the touch-screen is the single-layer touch sensing layer being arranged on the glass cover-plate.
In one of the embodiments, micro- LED display panel includes also some data wires and some scan lines, described
Some data wires and some scan lines are connected with the display control circuit respectively；
Some data wires and some scan line vertical interlaceds form some pixel cells, each pixel list
Member includes micro- LED component, the first transistor T1, second transistor T2 and electric capacity C；
The grid of the first transistor T1 connects the scan line, and the source electrode of the first transistor T1 connects the number
According to line, the drain electrode connection second transistor T2 of the first transistor T1 grid, the drain electrode of the first transistor T1
Also by the source electrode of the electric capacity C connections second transistor T2, the drain electrode of the second transistor T2 connects micro- LED
The anode of device, the negative electrode of micro- LED component is used to be grounded.
In one of the embodiments, micro- LED component includes cushion, non-doped layer, the N-type contact of laminated structure
Layer, multiple quantum well layer, p-type contact layer and P electrode layer, the N-type contact layer is the anode of micro- LED component, the P electrode
Layer is the negative electrode of micro- LED component.
Above-mentioned touch display unit, display panel employs micro- LED component, micro- LED component can self-luminous, without in addition
Backlight module is set, displayed contrast therefore, it is possible to improve.In addition, response of the response time of micro- LED component than liquid crystal molecule
Time is short, can lift the response speed of touch display unit；Due to independent of luminous organic material, micro- LED component it is luminous
Color, efficiency, stability are stronger than OLED, loss ratio OLED is few, therefore resolution ratio, the color of above-mentioned micro- LED component
Saturation degree and service life are longer.
Brief description of the drawings
Fig. 1 is the structural representation of the touch display unit of one embodiment；
Fig. 2 is the structural representation of the touch display unit of another embodiment；
Fig. 3 is the pixel unit circuit schematic diagram of the touch display unit of one embodiment；
Fig. 4 a are the pixel cell structure schematic diagram of one embodiment；
Fig. 4 b are the structural representation of micro- LED component of one embodiment.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Better embodiment of the present utility model is given in accompanying drawing.But, the utility model can come in many different forms
Realize, however it is not limited to embodiments described herein.On the contrary, the purpose for providing these embodiments is to make to this practicality newly
It is more thorough comprehensive that the disclosure of type understands.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " bag
Include the arbitrary and all combination of one or more related Listed Items.
For example, a kind of touch display unit, including touch panel, micro- LED display panel and control module, the touch surface
Plate is covered in micro- LED display panel, and the touch panel includes touch-screen and touch control circuit, and micro- LED shows
Showing panel includes micro- LED display and display control circuit, the touch control circuit and the display control circuit respectively with
The control module connection；Micro- LED display is provided with some pixel cells in array distribution, each pixel list
Member is provided with least one micro- LED component.
For a further understanding of above-mentioned touch control display apparatus.Referring to Fig. 1, it is the touch control display apparatus of an embodiment
Structural representation.The touch control display apparatus 10 includes contact panel 11, micro- LED display panel 12 and control module (not shown),
Wherein described touch panel 11 is covered in micro- LED display panel 12, and the touch panel 11 includes touch-screen 111 and touched
Control circuit 112 is touched, micro- LED display panel 12 includes micro- LED display 121 and display control circuit 122, described to touch
Control circuit 112 and the display control circuit 122 are connected with the control module respectively.For example, the touch control display apparatus
Also include flexible PCB, the touch control circuit 112 and the display control circuit 122 pass through the flexible circuit respectively
Plate is connected with the control module.And for example, the touch control display apparatus includes at least two flexible PCBs, the touch control electricity
Road 112 and the display control circuit 122 are respectively electrically connected by a flexible PCB with the control module；Micro- LED shows
Display screen is provided with some pixel cells in array distribution, and each pixel cell is provided with least one micro- LED component.
In one embodiment, as shown in Fig. 2 the control module 130 includes power supply output control circuit 131 and control
Unit 132；Described control unit 132 connect respectively the power supply output control circuit 131, the display control circuit 112 and
The touch control circuit 122；The power supply output control circuit 131 connects described control unit 132, the display control respectively
Circuit 112 and the touch control circuit 122 processed.
In the present embodiment, power supply output control circuit 131 is respectively control unit 132, display control circuit 112 and described
Touch control circuit 122 is powered, and control unit 132 is respectively to power supply output control circuit 131, display control circuit 112 and institute
Touch control circuit 122 is stated to be controlled.Believe for example, control unit 132 sends power supply to power supply output control circuit 131
Number, to control the output voltage of power supply output control circuit 131 and/or the size of output current.And for example, control unit 132 to
Display control circuit sends display control signal, so as to control the display picture and display brightness of display panel.And for example, control single
Member 132 sends touch control signal to touch control circuit 122, so as to control the touch operation of touch panel detection user.
In one embodiment, above-mentioned power supply output control circuit or control unit also include external compensation circuit, are used for
Output supply voltage and other output voltages to power supply output control circuit are compensated, or the control to control unit output
Signal processed is compensated, so as to lift the show uniformity and touch sensitivity of touch display unit.
In one embodiment, micro- LED display panel includes also some data (Data) lines and some scannings
(Scan) line, some data wires and some scan lines are connected with the display control circuit respectively.For example, such as Fig. 3
Shown, some data wires and some scan line vertical interlaceds form some pixel cells, each pixel cell
Including micro- LED component D1, the first transistor T1, second transistor T2 and electric capacity C；The grid connection institute of the first transistor T1
Scan line is stated, the source electrode of the first transistor T1 connects the data wire, and the drain electrode connection of the first transistor T1 is described
Second transistor T2 grid, the drain electrode of the first transistor T1 also passes through the electric capacity C connections second transistor T2
Source electrode, the anode of drain electrode connection micro- LED component of the second transistor T2, the negative electrode of micro- LED component is used for
Ground connection.Wherein, second transistor T2 source electrode is additionally operable to access supply voltage VDD。
In one embodiment, in order to lift the brightness uniformity and stability of micro- LED display panel, each pixel cell
In also include other some transistors and/or electric capacity, to constitute pixel compensation circuit, the brightness to each pixel cell is mended
Repay.For example, the quantity of other above-mentioned some transistors and/or electric capacity is 2~5.
For example, display control circuit 112 includes scanner driver, data driver and power supply driver, wherein power supply drives
The supply voltage V of dynamic device outputDDSecond transistor T2 source electrode is acted on by power voltage line, what scanner driver was exported sweeps
The grid that signal is transferred to each the first transistor T1 by scan line is retouched, to control the switch of each pixel.As the first transistor T1
During conducting, the data voltage signal V of data driver outputdataThe first transistor T1 of data wire and conducting is sequentially passed through to electricity
Hold C chargings, i.e. electric capacity C is used for data storage voltage signal Vdata, after electric capacity C charging completes, data voltage signal VdataAct on
Second transistor T2 grid, turns on second transistor T2, drives micro- LED component to light.Wherein, second transistor T2 is drive
Dynamic pipe, for according to supply voltage VDDWith data drive voltage VdataControl the luminosity and gray scale of micro- LED component.For example,
The first transistor T1 and second transistor T2 are thin film transistor (TFT) (Thin Film Transistor, TFT).And for example, first
Transistor T1 and second transistor T2 is multi-crystal TFT.And for example, the first transistor T1 and second transistor T2 are that low temperature is more
Crystal silicon TFT.
It is noted that pixel cell is constitutes the elementary cell of micro- LED display 121, the pixel cell is used to show
Show red, green and blueness, and red, green and blueness are combined and then different colors are shown, so that micro- LED
Display screen 121 can show different content.For example, the pixel cell include red sub-pixel unit, green sub-pixels unit and
Blue subpixels unit, for example, each sub-pixel unit includes micro- LED component, the first transistor T1 and second transistor respectively
T2, for example, micro- LED component of red sub-pixel unit is used to send feux rouges, for example, micro- LED component of green sub-pixels unit
For sending green glow, for example, micro- LED component of blue subpixels unit is used to send blueness, for example, each pixel subelement is in bar
Line shape spread configuration, i.e., multiple red sub-pixel cell columns, multiple green sub-pixels cell columns and multiple blue subpixels lists
The spaced striped of member row is set, for example, each sub-pixel unit is arranged by preset rules.
Also referring to Fig. 4 a and Fig. 4 b, each micro- LED component D1 including laminated structure cushion D11, non-mix
Diamicton D12, N-type contact layer D13, MQW (MQW, multilayer quantum well) layer D14, p-type contact layer D15
With P electrode layer D16, wherein the N-type contact layer is the anode of micro- LED component, the P electrode layer is micro- LED devices
The negative electrode of part.
For example, micro- LED component is gallium nitride (GaN) LED component, then cushion is GaN cushions, for example, cushion
Material including low temperature GaN buffer, i.e. cushion includes the GaN that low temperature process grows；For example, cushion is slow for low temperature GaN
Rush the superposition of layer and high temperature GaN cushions, the i.e. material of cushion GaN and high-temperature technology growth including low temperature process growth
GaN.And for example, non-doped layer is that the material of undoped GaN layer, i.e. non-doped layer is undoped GaN.And for example, the N-type contact layer is
N-type GaN layer, the i.e. material of the N-type contact layer include the GaN of n-type doping.And for example, the material of mqw layer includes indium (In), gallium
(Ga), the one or more in nitrogen (N), phosphorus (P), aluminium (Al) and arsenic (As).And for example, p-type contact layer is p-type GaN layer, and for example, P
Type contact layer is the superposition of p-type GaN layer and p-type AlGaN layer, and for example, and p-type contact layer is two p-type GaN layers and a p-type AlGaN layer
Superposition.And for example, the material of P electrode layer is transparent material, for example, the material of P electrode layer includes tin indium oxide
(ITO), one kind in carbon and graphene.
In one of the embodiments, the anode of micro- LED component is drawn from N-type contact layer.For example, in each micro- LED devices
Metal electrode is prepared as anode on the subregion of the N-type contact layer of part.That is, described micro- LED component passes through metal electricity
Pole is connected with the second transistor T2, for example, micro- LED component passes through the metal electrode and the second transistor T2
Drain electrode connection.
In one embodiment, the thickness of micro- LED component is 1 μm~100 μm.And for example, the thickness of micro- LED component
Spend for 1 μm~20 μm.In such manner, it is possible to reduce the thickness of display panel, the lightening of touch display unit is realized.
In one embodiment, the touch display unit also includes glass cover-plate.It is described to touch as a kind of embodiment
Screen is touched to prepare the single-layer touch sensing layer on the glass cover-plate, i.e., touch sensing layer is directly prepared on glass cover-plate,
The thickness of contact panel can so be reduced, make touch display unit more frivolous.
As a kind of embodiment, the touch-screen includes ito glass substrate, the ito glass substrate and the glass
Cover plate is fitted setting entirely.For example, the ito glass substrate and the glass cover-plate are fitted setting entirely by optical cement or glue.
Wherein, ito glass substrate is the glass substrate for being prepared for transparent film.So, using double-layer glass structure, touch detection
The degree of accuracy and production yield it is higher, and the light transmission rate of such a structure is higher.
As a kind of embodiment, the touch-screen includes individual layer ITO and touches film, the individual layer ITO touch film with
The glass cover-plate is fitted setting entirely.For example, the individual layer ITO touches film passes through optical cement or glue with the glass cover-plate
Full laminating is set.This structure has the advantages that translucency is good, and the relative touch-screen using ito glass substrate of thickness of touch-screen
It is relatively thin.
As a kind of embodiment, the touch-screen includes bilayer ITO and touches film, the double-deck ITO touch film and
The glass cover-plate is fitted setting entirely.For example, the double-deck ITO touches film passes through optical cement or glue with the glass cover-plate
Full laminating is set.And for example, the double-deck ITO is set between touching the double-layer filmses of film again by optical cement or the full laminating of glue
Put.This structure can realize multi-point touch, strong antijamming capability, touch-screen and use of the thickness between use ito glass substrate
Individual layer ITO is touched between the touch-screen of film.
It should be noted that in the present embodiment, touch control circuit, scanner driver, data driver, power drives
Device, flexible PCB, power supply output control circuit and control unit etc., can be realized using existing product.The utility model and
Its each embodiment, its scope claimed does not include touch control circuit, display control circuit, flexible PCB, electricity
The concrete structure of source output control circuit and control unit etc., but the annexation of these structures and its connected applications, pass through
The annexation and its connected applications of these structures can reach certain technique effect.
Above-mentioned touch display unit, display panel employs micro- LED component, micro- LED component can self-luminous, without in addition
Backlight module is set, displayed contrast therefore, it is possible to improve.In addition, response of the response time of micro- LED component than liquid crystal molecule
Time is short, can lift the response speed of touch display unit；Due to independent of luminous organic material, micro- LED component it is luminous
Color, efficiency, stability are stronger than OLED, loss ratio OLED is few, therefore resolution ratio, the color of above-mentioned micro- LED component
Saturation degree and service life are longer.By test, the response time of above-mentioned touch display unit can lift ns ranks, resolution ratio
1500ppi can be promoted to, color saturation can lift 140%NTSC, and service life can be lifted by more than 100,000 hours.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of touch display unit, it is characterised in that described to touch including touch panel, micro- LED display panel and control module
Touch panel to be covered in micro- LED display panel, the touch panel includes touch-screen and touch control circuit, described micro-
LED display panel includes micro- LED display and display control circuit, the touch control circuit and the display control circuit point
It is not connected with the control module；Micro- LED display is provided with some pixel cells in array distribution, each picture
Plain unit is provided with least one micro- LED component.
2. touch display unit as claimed in claim 1, it is characterised in that also including flexible PCB, the touch control
Circuit and the display control circuit are connected by the flexible PCB with the control module respectively.
3. touch display unit as claimed in claim 1, it is characterised in that the control module includes power supply output control electricity
Road and control unit；
Described control unit connects the power supply output control circuit, the display control circuit and touch control electricity respectively
Road；
The power supply output control circuit connects the display control circuit and the touch control circuit respectively.
4. touch display unit as claimed in claim 1, it is characterised in that the touch display unit also includes glass cover
Plate.
5. touch display unit as claimed in claim 4, it is characterised in that the touch-screen includes ito glass substrate, described
Ito glass substrate and the glass cover-plate are fitted setting entirely.
6. touch display unit as claimed in claim 4, it is characterised in that the touch-screen includes individual layer ITO and touches film,
The individual layer ITO touches film and the glass cover-plate and fitted full setting.
7. touch display unit as claimed in claim 4, it is characterised in that the touch-screen includes bilayer ITO and touches film,
The double-deck ITO touches film and the glass cover-plate and fitted full setting.
8. touch display unit as claimed in claim 4, it is characterised in that the touch-screen is to be arranged on the glass cover-plate
On single-layer touch sensing layer.
9. touch display unit as claimed in claim 1, it is characterised in that micro- LED display panel includes also some numbers
According to line and some scan lines, some data wires and some scan lines are connected with the display control circuit respectively；
Some data wires and some scan line vertical interlaceds form some pixel cells, each pixel cell bag
Include micro- LED component, the first transistor T1, second transistor T2 and electric capacity C；
The grid of the first transistor T1 connects the scan line, and the source electrode of the first transistor T1 connects the data
Line, the drain electrode connection second transistor T2 of the first transistor T1 grid, the drain electrode of the first transistor T1 is also
By the source electrode of the electric capacity C connections second transistor T2, the drain electrode of the second transistor T2 connects micro- LED devices
The anode of part, the negative electrode of micro- LED component is used to be grounded.
10. touch display unit as claimed in claim 9, it is characterised in that micro- LED component includes the slow of laminated structure
Layer, non-doped layer, N-type contact layer, multiple quantum well layer, p-type contact layer and P electrode layer are rushed, the N-type contact layer is described micro-
The anode of LED component, the P electrode layer is the negative electrode of micro- LED component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621493648.8U CN206348772U (en) | 2016-12-30 | 2016-12-30 | Touch display unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621493648.8U CN206348772U (en) | 2016-12-30 | 2016-12-30 | Touch display unit |
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| Publication Number | Publication Date |
|---|---|
| CN206348772U true CN206348772U (en) | 2017-07-21 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107678589A (en) * | 2017-09-29 | 2018-02-09 | 上海与德科技有限公司 | A kind of application method and electronic equipment based on MicroLED display screens |
| CN108965510A (en) * | 2018-06-15 | 2018-12-07 | Oppo广东移动通信有限公司 | Electronic equipment, screen control method and related product |
| CN109062459A (en) * | 2018-07-31 | 2018-12-21 | 友达光电股份有限公司 | Capacitive touch display device and driving method thereof |
| CN111599318A (en) * | 2020-05-29 | 2020-08-28 | 上海天马微电子有限公司 | Display device and driving method thereof |
-
2016
- 2016-12-30 CN CN201621493648.8U patent/CN206348772U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107678589A (en) * | 2017-09-29 | 2018-02-09 | 上海与德科技有限公司 | A kind of application method and electronic equipment based on MicroLED display screens |
| CN108965510A (en) * | 2018-06-15 | 2018-12-07 | Oppo广东移动通信有限公司 | Electronic equipment, screen control method and related product |
| CN109062459A (en) * | 2018-07-31 | 2018-12-21 | 友达光电股份有限公司 | Capacitive touch display device and driving method thereof |
| TWI667602B (en) * | 2018-07-31 | 2019-08-01 | 友達光電股份有限公司 | Capacitive touchscreen and the driving method thereof |
| CN109062459B (en) * | 2018-07-31 | 2021-03-30 | 友达光电股份有限公司 | Capacitive touch display device and driving method thereof |
| CN111599318A (en) * | 2020-05-29 | 2020-08-28 | 上海天马微电子有限公司 | Display device and driving method thereof |
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