CN105468205B - The touch device and preparation method thereof being integrated in AMOLED panel - Google Patents
The touch device and preparation method thereof being integrated in AMOLED panel Download PDFInfo
- Publication number
- CN105468205B CN105468205B CN201410446552.5A CN201410446552A CN105468205B CN 105468205 B CN105468205 B CN 105468205B CN 201410446552 A CN201410446552 A CN 201410446552A CN 105468205 B CN105468205 B CN 105468205B
- Authority
- CN
- China
- Prior art keywords
- emitting diode
- organic light
- light emitting
- top electrode
- touch
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Landscapes
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a kind of touch devices and preparation method thereof being integrated in AMOLED panel, wherein the touch device includes：Substrate is laid with thin film transistor (TFT) array；Organic Light Emitting Diode is set in the substrate；Top electrode is set on the Organic Light Emitting Diode；Touch cover is set on the top electrode；And optical sensor, it is set to the underface between the Organic Light Emitting Diode and the substrate and positioned at the top electrode.Compared to the prior art, the present invention will not cause light-source angle incorrect and cause error signal, and will not be caused because of user's factor it is different into light quantity and the defects of generate such as ghost, improve quality；The present invention be in AMOLED panel use In Cell optical touch control technologies, by optical sensor be set between Organic Light Emitting Diode and substrate so that screen be able to be thinned mitigate realize it is lightening.
Description
Technical field
The present invention relates to a kind of touch devices and preparation method thereof, and AMOLED (Active are integrated in more particularly to one kind
Matrix Organic Light Emitting Diode, active matrix organic light-emitting diode) touch device in panel and
Preparation method.
Background technology
Touch screen (touch screen) is also known as " touch screen " or " touch panel ", is a kind of inputs such as receivable contact
The induction type liquid crystal display device of signal, when contacting the graphic button on screen, the haptic feedback system on screen can root
Various connection devices are driven according to the formula of preprogramming, are substituted for mechanical push button panel, and draw by liquid crystal display
Face produces lively visual and sound effects.Touch screen as a kind of newest computer input apparatus, it be it is most simple at present, conveniently,
A kind of natural man-machine interaction mode.It imparts multimedia with brand-new looks, is that extremely attractive completely new multimedia is handed over
Mutual equipment.Be mainly used in the inquiry of public information, leader's office, Industry Control, military commanding, electronic game, choosing song or selecting dish,
Multimedia teaching, real estate presell etc..Existing In-Cell types optical touch screen is usually used caused by LCD backlight plate
Reflection source, or external environment light source is used, but because using passive type light source, to the angle of backlight reflection or external light source incidence
Have comparable requirement, and it is incorrect and cause error signal to be easy to cause light-source angle, or cause because of user's factor into
Light quantity difference generates profit such as the defects of ghost.
Invention content
It is an object of the invention to a kind of touch devices and preparation method thereof being integrated in AMOLED panel, existing to solve
There is the defects of causing light-source angle incorrect in technology and causing error signal and generate such as ghost because entering light quantity difference.
In view of this, unresolved above-mentioned technical problem, the present invention provide one kind and are integrated in AMOLED panel on the one hand
Touch device, including：Substrate is laid with thin film transistor (TFT) array；Organic Light Emitting Diode is set in the substrate；It powers on
Pole is set on the Organic Light Emitting Diode；Touch cover is set on the top electrode；And optical sensor, it is set to described
Underface between Organic Light Emitting Diode and the substrate and positioned at the top electrode.
The present invention be integrated in the touch device in AMOLED panel further improvement lies in that, it is described to power on extremely upper cathode
Or Anodic.
The present invention be integrated in the touch device in AMOLED panel further improvement lies in that, the touch cover be glass
The plastic cement cover board of cover board or high molecular material.
The present invention be integrated in the touch device in AMOLED panel further improvement lies in that, the optical sensor is embedded in
In the Organic Light Emitting Diode.
The present invention be integrated in the touch device in AMOLED panel further improvement lies in that, the substrate and it is described touch
It is additionally provided with encapsulating structure between control cover board.
The present invention provides a kind of preparation method for the touch device being integrated in AMOLED panel on the other hand, including：
Substrate is made, lays thin film transistor (TFT) array on the substrate；Optical sensor is formed on the substrate；In the light sensing
Machine light emitting diode is formed on device；Top electrode is formed on the Organic Light Emitting Diode, the top electrode is located at light biography
The surface of sensor；And touch cover is set on the top electrode.
The present invention be integrated in the preparation method of the touch device in AMOLED panel further improvement lies in that, the institute of formation
It states Organic Light Emitting Diode and is coated on the optical sensor.
The present invention be integrated in the preparation method of the touch device in AMOLED panel further improvement lies in that, have described
Top electrode is formed on machine light emitting diode, including：It is patterned in formation on the Organic Light Emitting Diode by technology of breaking
Electrode.
The present invention be integrated in the preparation method of the touch device in AMOLED panel further improvement lies in that, it is described to power on
Extremely upper cathode or Anodic.
The positive effect that the present invention is integrated in touch device in AMOLED panel and preparation method thereof is：This hair
It is bright that light-source angle will not be caused incorrect and cause error signal, and will not cause different into light quantity and produce because of user's factor
The defects of raw such as ghost, improves quality；The present invention is that In-Cell optical touch control technologies are used in AMOLED panel, will
Optical sensor be set between Organic Light Emitting Diode and substrate so that screen be able to be thinned mitigate realize it is lightening.
Description of the drawings
Fig. 1 is the structural schematic diagram for the touch device that the present invention is integrated in AMOLED panel；
Fig. 2 is the structural schematic diagram for the non-touch-control of touch device that the present invention is integrated in AMOLED panel；
Fig. 3 is that the present invention is integrated in the structural schematic diagram after the touch device touch-control in AMOLED panel；And
Fig. 4 is the flow diagram of the preparation method for the touch device that the present invention is integrated in AMOLED panel.
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this specification below by way of specific specific example
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
Please refer to attached drawing.It should be noted that the diagram provided in the present embodiment only illustrates the present invention in a schematic way
Basic conception, only display and related component in the present invention rather than component count, shape when according to actual implementation in schema then
Shape and size are drawn, when actual implementation kenel, quantity and the ratio of each component can be a kind of random change, and its component cloth
Office's kenel may also be increasingly complex.
Present pre-ferred embodiments are provided below in conjunction with the accompanying drawings, with the technical solution that the present invention will be described in detail.
Referring to Fig. 1, it is integrated in the structural schematic diagram of the touch device in AMOLED panel for the present invention.Such as Fig. 1 institutes
Show, the present invention is integrated in the touch device in AMOLED panel and includes：Substrate 11, top electrode 13, is touched Organic Light Emitting Diode 12
Control cover board 14, optical sensor 15 and encapsulating structure 16.
Thin film transistor (TFT) array (TFT Array) is laid in substrate 11.In the present embodiment, substrate 11 may include glass
At least one of glass, resin and metal.
Organic Light Emitting Diode 12 is set in substrate 11.In the present embodiment, Organic Light Emitting Diode may include it is red,
Blue, green Organic Light Emitting Diode (R-OLED, G-OLED, B-OLED) can also include red, blue, green, white Organic Light Emitting Diode
(R-OLED、G-OLED、B-OLED、W-OLED)。
Top electrode 13 is set on Organic Light Emitting Diode 12.In the present embodiment, top electrode 13 is upper cathode or Anodic.
Touch cover 14 is set on top electrode 13.In the present embodiment, touch cover 14 is glass cover-plate or macromolecule
The plastic cement cover board of material.
Optical sensor is set to the underface between Organic Light Emitting Diode 12 and substrate 11 and positioned at top electrode 13.In this reality
It applies in example, preferably, optical sensor 15 is embedded in Organic Light Emitting Diode 12, that is, optical sensor 15 is by organic light emission
Diode 12 is coated.
Encapsulating structure 16 is between substrate 11 and touch cover 14.In the present embodiment, encapsulating structure 16 is to cohere glue.
From the foregoing, it will be observed that in the touch device of the present invention being integrated in AMOLED panel, In-Cell optical profile types are used
Touch technology is able to that optical sensor 15 is set between Organic Light Emitting Diode 12 and substrate 11 and is right against under top electrode 13
Side, therefore, in practical applications, in conjunction with Fig. 1, Fig. 2 and Fig. 3, when user finger 17 in touch cover 14 slide
When, when with finger 17 capacitive sensing can occur for the top electrode 13 under touch cover 14, the Organic Light Emitting Diode of middle layer
(OLED) 12 meetings are because top capacitance causes to generate not between cathode and an anode in Organic Light Emitting Diode 12 after changing
Same pressure difference, in turn result in OLED luminous quantities variation, and following optical sensor 15 because OLED luminous quantities change cause by
The magnitude of current is different, causes the capacitor charging situation of connection to change, to realize touch-control.
Referring to Fig. 4, the flow of the preparation method for the touch device being integrated in which show the present invention in AMOLED panel
Schematic diagram.As shown in figure 4, the preparation method comprises the following steps：
Step S401 makes substrate, lays thin film transistor (TFT) array on the substrate.In the present embodiment, the base
Bottom may include at least one of glass, resin and metal.
Step S403, forms optical sensor on the substrate.
Step S405 forms machine light emitting diode on the optical sensor.
Step S407, forms top electrode on the Organic Light Emitting Diode, and the top electrode is located at the optical sensor
Surface.In the present embodiment, described to power on extremely upper cathode or Anodic, it forms the top electrode and specifically includes：Pass through
Technology of breaking is patterned on the Organic Light Emitting Diode and is formed.
Touch cover is arranged on the top electrode in step S409.In the present embodiment, the touch cover is glass
The plastic cement cover board of cover board or high molecular material.
To sum up, the present invention is integrated in the positive effect of touch device in AMOLED panel and preparation method thereof and exists
In：The present invention will not cause light-source angle incorrect and cause error signal, and will not be caused into light quantity because of user's factor
It is different and the defects of generate such as ghost, improve quality；The present invention is that In-Cell optical touch controls are used in AMOLED panel
Optical sensor is set between Organic Light Emitting Diode and substrate by technology, is realized so that screen is able to be thinned to mitigate
It is lightening.
Particular embodiments described above, the technical issues of to the solution of the present invention, technical solution and advantageous effect carry out
It is further described, it should be understood that the above is only a specific embodiment of the present invention, is not limited to
The present invention, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this
Within the protection domain of invention.
Claims (9)
1. a kind of touch device being integrated in AMOLED panel, which is characterized in that including：
Substrate is laid with thin film transistor (TFT) array；
Organic Light Emitting Diode is set in the substrate；
Top electrode is set on the Organic Light Emitting Diode；
Touch cover is set on the top electrode, described under the touch cover when the touch cover is operated
Capacitive sensing can occur for top electrode；And
Optical sensor is set between the Organic Light Emitting Diode and the substrate and to positioned at the underface of top electrode position
It sets, when capacitive sensing occurs for the top electrode, will produce different pressures between cathode and an anode in the Organic Light Emitting Diode
Difference in turn results in the organic light-emitting diode amount variation, and the optical sensor is because of the organic light-emitting diode
Amount variation and cause by the magnitude of current it is different.
2. the touch device as described in claim 1 being integrated in AMOLED panel, which is characterized in that described to power on extremely
Cathode or Anodic.
3. the as described in claim 1 touch device being integrated in AMOLED panel, which is characterized in that the touch cover is
The plastic cement cover board of glass cover-plate or high molecular material.
4. the touch device as described in claim 1 being integrated in AMOLED panel, which is characterized in that in the optical sensor
In the Organic Light Emitting Diode.
5. the touch device as described in claim 1 being integrated in AMOLED panel, which is characterized in that in the substrate and institute
It states and is additionally provided with encapsulating structure between touch cover.
6. a kind of preparation method for the touch device being integrated in AMOLED panel, which is characterized in that including：
Substrate is made, lays thin film transistor (TFT) array on the substrate；
Optical sensor is formed on the substrate；
Organic Light Emitting Diode is formed on the optical sensor；
Top electrode is formed on the Organic Light Emitting Diode, the top electrode is to positioned at the surface of optical sensor position
It sets；And
Touch cover is set on the top electrode；
Wherein, when the touch cover is operated, capacitive sensing can occur for the top electrode under the touch cover, make
Different pressure differences are will produce between cathode and an anode in the Organic Light Emitting Diode, in turn result in the Organic Light Emitting Diode
Luminous quantity changes, and the magnitude of current by the optical sensor is different due to the luminous quantity of the Organic Light Emitting Diode changes.
7. the preparation method of the touch device as claimed in claim 6 being integrated in AMOLED panel, which is characterized in that formed
The Organic Light Emitting Diode be coated on the optical sensor.
8. the preparation method of the touch device as claimed in claim 6 being integrated in AMOLED panel, which is characterized in that in institute
It states and forms top electrode on Organic Light Emitting Diode, including：By technology of breaking shape is patterned on the Organic Light Emitting Diode
At top electrode.
9. the preparation method of the touch device being integrated in AMOLED panel as described in claim 6 or 8, which is characterized in that
It is described to power on extremely upper cathode or Anodic.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410446552.5A CN105468205B (en) | 2014-09-03 | 2014-09-03 | The touch device and preparation method thereof being integrated in AMOLED panel |
| TW103132366A TWI531943B (en) | 2014-09-03 | 2014-09-19 | Touch device integrated in an amoled panel and the preparation mrthof thereof |
| JP2014204838A JP6014958B2 (en) | 2014-09-03 | 2014-10-03 | Touch device combined with AMOLED panel and manufacturing method thereof |
| KR1020150124235A KR101723524B1 (en) | 2014-09-03 | 2015-09-02 | The touch control device integrated in the AMOLED panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410446552.5A CN105468205B (en) | 2014-09-03 | 2014-09-03 | The touch device and preparation method thereof being integrated in AMOLED panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105468205A CN105468205A (en) | 2016-04-06 |
| CN105468205B true CN105468205B (en) | 2018-08-31 |
Family
ID=55582990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410446552.5A Active CN105468205B (en) | 2014-09-03 | 2014-09-03 | The touch device and preparation method thereof being integrated in AMOLED panel |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6014958B2 (en) |
| KR (1) | KR101723524B1 (en) |
| CN (1) | CN105468205B (en) |
| TW (1) | TWI531943B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112736121A (en) * | 2020-12-30 | 2021-04-30 | 武汉华星光电半导体显示技术有限公司 | OLED display panel and OLED display device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007184595A (en) * | 2006-01-04 | 2007-07-19 | Toppoly Optoelectronics Corp | Organic electroluminescent device and manufacture therefor |
| KR20100005952A (en) * | 2008-07-08 | 2010-01-18 | 삼성모바일디스플레이주식회사 | Organic light emitting diode display |
| CN101635276A (en) * | 2009-08-26 | 2010-01-27 | 友达光电股份有限公司 | Touch control panel of organic luminous diode and manufacture method thereof |
| CN101976679A (en) * | 2010-03-11 | 2011-02-16 | 友达光电股份有限公司 | Active matrix organic light emitting diode display with light feedback and compensation |
| JP2011060608A (en) * | 2009-09-10 | 2011-03-24 | Hosiden Corp | Capacitance type touch switch |
| JP2012186218A (en) * | 2011-03-03 | 2012-09-27 | Nec Lighting Ltd | Organic el lighting device and organic el panel |
| CN103247664A (en) * | 2012-02-04 | 2013-08-14 | 剑扬股份有限公司 | Pixel structure of organic electroluminescence device |
| KR20140039470A (en) * | 2012-09-24 | 2014-04-02 | 엘지디스플레이 주식회사 | Touch-type organic light-emitting diode display device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101367139B1 (en) * | 2006-02-06 | 2014-02-26 | 삼성디스플레이 주식회사 | Display device and manufacturing method of the same |
| KR100776498B1 (en) * | 2006-06-09 | 2007-11-16 | 삼성에스디아이 주식회사 | Organic light emitting display device and method for fabricating the same |
| US20100201275A1 (en) * | 2009-02-06 | 2010-08-12 | Cok Ronald S | Light sensing in display device |
| WO2010150573A1 (en) * | 2009-06-25 | 2010-12-29 | シャープ株式会社 | Display device |
| GB2473239B (en) * | 2009-09-04 | 2014-07-09 | Cambridge Display Tech Ltd | Touch screen display device |
| US9385169B2 (en) * | 2011-11-29 | 2016-07-05 | Ignis Innovation Inc. | Multi-functional active matrix organic light-emitting diode display |
| US9064451B2 (en) * | 2012-02-01 | 2015-06-23 | Apple Inc. | Organic light emitting diode display having photodiodes |
| US9916793B2 (en) * | 2012-06-01 | 2018-03-13 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and method of driving the same |
| US9070648B2 (en) * | 2012-11-27 | 2015-06-30 | Apple Inc. | Electronic devices with display-integrated light sensors |
-
2014
- 2014-09-03 CN CN201410446552.5A patent/CN105468205B/en active Active
- 2014-09-19 TW TW103132366A patent/TWI531943B/en active
- 2014-10-03 JP JP2014204838A patent/JP6014958B2/en active Active
-
2015
- 2015-09-02 KR KR1020150124235A patent/KR101723524B1/en active IP Right Grant
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007184595A (en) * | 2006-01-04 | 2007-07-19 | Toppoly Optoelectronics Corp | Organic electroluminescent device and manufacture therefor |
| KR20100005952A (en) * | 2008-07-08 | 2010-01-18 | 삼성모바일디스플레이주식회사 | Organic light emitting diode display |
| CN101635276A (en) * | 2009-08-26 | 2010-01-27 | 友达光电股份有限公司 | Touch control panel of organic luminous diode and manufacture method thereof |
| JP2011060608A (en) * | 2009-09-10 | 2011-03-24 | Hosiden Corp | Capacitance type touch switch |
| CN101976679A (en) * | 2010-03-11 | 2011-02-16 | 友达光电股份有限公司 | Active matrix organic light emitting diode display with light feedback and compensation |
| JP2012186218A (en) * | 2011-03-03 | 2012-09-27 | Nec Lighting Ltd | Organic el lighting device and organic el panel |
| CN103247664A (en) * | 2012-02-04 | 2013-08-14 | 剑扬股份有限公司 | Pixel structure of organic electroluminescence device |
| KR20140039470A (en) * | 2012-09-24 | 2014-04-02 | 엘지디스플레이 주식회사 | Touch-type organic light-emitting diode display device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6014958B2 (en) | 2016-10-26 |
| TW201610776A (en) | 2016-03-16 |
| TWI531943B (en) | 2016-05-01 |
| KR20160028394A (en) | 2016-03-11 |
| CN105468205A (en) | 2016-04-06 |
| KR101723524B1 (en) | 2017-04-05 |
| JP2016053934A (en) | 2016-04-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105739203B (en) | Embedded touch liquid crystal display device and its manufacturing method | |
| CN104216559B (en) | Mesh design for touch sensor | |
| CN105278729B (en) | Display equipment with integrated touch screen | |
| CN105094394B (en) | Touch-control display panel | |
| TW201608433A (en) | Touch panel and apparatus for driving thereof | |
| US20160162096A1 (en) | Oled touch control display device and manufacture method thereof | |
| CN104503615B (en) | A kind of touch control display | |
| TW201447688A (en) | Integrated touch screens | |
| TW201250542A (en) | Touch sensitive display and method for manufacturing the same | |
| CN104898913B (en) | Mutual capacitance touch-control display panel and preparation method thereof | |
| CN204009807U (en) | A kind of contact panel, display panel and display device | |
| CN204904233U (en) | Touch display device | |
| CN104020572A (en) | Glasses-free 3D touch AMOLED display device and manufacturing method thereof | |
| JP2019185830A (en) | Information processing device | |
| CN204256702U (en) | Low reflection touching display screen | |
| CN105468205B (en) | The touch device and preparation method thereof being integrated in AMOLED panel | |
| CN107479740A (en) | Display device | |
| CN107976827A (en) | A kind of touch control display apparatus | |
| CN104375703B (en) | Low reflection touching display screen | |
| CN203909742U (en) | Touch control display panel | |
| CN106415464A (en) | Capacitive touch panel having dielectric structures formed therein | |
| CN202025303U (en) | Touch display device | |
| TW201039036A (en) | Touch electrophoretic display | |
| CN206546564U (en) | A kind of integrated induction touch-screen | |
| CN205194229U (en) | Electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 201506, No. nine, No. 1568, Jinshan Industrial Zone, Shanghai, Jinshan District Patentee after: Shanghai Hehui optoelectronic Co., Ltd Address before: 201508, building two, building 100, 1, Jinshan Industrial Road, 208, Shanghai, Jinshan District Patentee before: EverDisplay Optronics (Shanghai) Ltd. |