CN105717684A - Liquid crystal display module having handwriting function and manufacture method thereof - Google Patents
Liquid crystal display module having handwriting function and manufacture method thereof Download PDFInfo
- Publication number
- CN105717684A CN105717684A CN201610191991.5A CN201610191991A CN105717684A CN 105717684 A CN105717684 A CN 105717684A CN 201610191991 A CN201610191991 A CN 201610191991A CN 105717684 A CN105717684 A CN 105717684A
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- China
- Prior art keywords
- liquid crystal
- crystal display
- tft
- lcd panel
- display module
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03547—Touch pads, in which fingers can move on a surface
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a liquid crystal display module having a handwriting function and a manufacture method of the liquid crystal display module. The liquid crystal display module comprises a cover board and a TFT-LCD (Thin Film Transistor-Liquid Crystal Display) panel fixedly attached with the cover board, wherein a first metal circuit board is plated on the lower surface of the cover board, an upper polarizer is fixedly attached on the upper surface of the TFT-LCD panel, a lower polarizer is fixedly attached on the lower surface of the TFT-LCD panel, a second metal circuit board is plated on the upper surface of the upper polarizer, a cholesteric liquid crystal polymer coats the upper surface of the second metal circuit board, a connecting block is arranged at one end of the TFT-LCD panel in a protruded manner, and a liquid crystal display flexible printed circuit (FPC) and a drive IC (integrated circuit) are encapsulated on the connecting block. The liquid crystal display module can be used as a display screen or a handwriting board, has a simple structure, and can be processed simply, the functions of the product can be increased and the competitiveness is improved.
Description
Technical field
The present invention relates to LCD Technology field, particularly relate to a kind of liquid crystal display module with handwriting functions and preparation method thereof.
Background technology
Current existing traditional liquid crystal handwriting pad is to pour into cholesteric liquid crystal polymers between two pieces of PET, when there being pressure to act on pet sheet face, it is possible to recording track.Under certain voltage drive waveform, cholesteryl liquid crystal returns to original state.Such writing pads function is single, limits its market competitiveness.
Existing liquid crystal display module is encapsulation IC on TFT-LCD, attaches polaroid, then drives with voltage, it is achieved display, but is as the maturation of TFT technology and the saturated of market, and the profit of liquid crystal display module and competitiveness are also declining.
If said two products can be united two into one, the competitiveness of product will be substantially improved.
Summary of the invention
For the weak point existed in above-mentioned technology, the present invention provides a kind of processing technique simple, liquid crystal display module with handwriting functions of low cost of manufacture and preparation method thereof.
For achieving the above object, liquid crystal display module with handwriting functions of the present invention, including cover plate and the TFT-LCD panel being secured to laminating, the lower surface of cover plate is coated with the first metal circuit board, TFT-LCD panel upper surface is fixing is fitted with polaroid, and its lower surface is fixing is fitted with lower polaroid, the upper surface of upper polaroid is coated with the second metal circuit board, second metal circuit board upper surface scribbles cholesteric liquid crystal polymers, one end convex of TFT-LCD panel is provided with a contiguous block, contiguous block is packaged with liquid crystal display FPC and drives IC；
Display function: liquid crystal display transmits a signal to TFT-LCD panel, and TFT-LCD panel displays, thus on the cover board showing；
Handwriting functions: writing pencil on the cover board carries out hand-written, oppresses lid surface, and liquid crystal molecule occurs axially varying under the effect of external force, optics is through forming comparison of light and shade, cholesteric liquid crystal polymers can record the vestige that writing pencil streaks, thus on the cover board showing, it is achieved hand-written function.
Wherein, connect by OCA is gluing between described first metal circuit board and cholesteric liquid crystal polymers, connect also by OCA is gluing between described cover plate and TFT-LCD panel.
Wherein, one end of described first metal circuit board is outward extended with the first electrode, and one end of described second metal circuit board is outward extended with the second electrode, described first electrode and the second electrode and drives plate to electrically connect with cls.
Wherein, described cls drives plate to be provided with handwriting pad FPC, cls button and lithium battery, and described cls button is connected with lithium battery, and described cls button electrically connects with handwriting pad FPC.
Wherein, the lower surface of described lower polaroid is provided with backlight, and described backlight caves inward and forms a holding tank, and described TFT-LCD panel is positioned at this holding tank.
For achieving the above object, the present invention also provides for the manufacture method of a kind of liquid crystal display module with handwriting functions, comprises the following steps:
S1, ITO circuit is uniformly coated on the surface of upper polaroid, forms the second metal circuit board, drying, make the second metal circuit board dry, smooth.In the same manner, ITO deposit traces cover plate will form the first metal circuit board；
S2, by upper polarizer sheet sticking at TFT-LCD panel upper surface, allocate cholesteric liquid crystal polymers, cholesteryl liquid crystal mixed with the ratio of 7:3 with orientation xanthan polymer, cholesteryl liquid crystal is oriented.Polymer-coated on upper polaroid surface by directional；
S3, the cover plate with the first metal circuit board is being compound on S2；
S4, by lower polarizer sheet sticking at TFT-LCD panel lower surface, be then put into deaeration in deaeration machine, remove attach produce bubble；
S5, driving IC is encapsulated on TFT-LCD panel after, liquid crystal display FPC is encapsulated on TFT-LCD panel, it is achieved display function；
S6, will one lead-in wire of each pull-out between the first electrode and the second electrode, and cls driving plate is connected in one；
S7, cls driving the cls button on plate extract two GPIO interface again, control GPIO interface driving cls by TV motherboard, synchronous signal exports liquid crystal module, it is shown that；
S8, backlight and TFT-LCD panel sectional are got up, complete one and both there is liquid crystal display module function, the liquid crystal display module with handwriting functions that can use as handwriting pad education or meeting panel again.
Wherein, in described step S1, ITO deposit traces thickness is 0.25-0.35um, and resistance is 500 ± 150 Europe.
Wherein, in described step S2, the polymer-coated thickness of directional is 0.25-0.35mm.
Wherein, with the pressure head of 160 ± 5 DEG C in described step S6, under the pressure of 22 ± 1kgf, pressing 6S, is encapsulated in driving IC on TFT-LCD panel, then the pressure head with 155 ± 5 DEG C, under the pressure of 6 ± 1kgf, pressing 10S, liquid crystal display FPC is encapsulated on TFT-LCD panel.
The invention has the beneficial effects as follows: compared with prior art, liquid crystal display module with handwriting functions provided by the invention and preparation method thereof, common liquid crystal display module can be treated as use, writing pads function is the used time not, the display effect of liquid crystal display module is affected very little by cholesteric liquid crystal polymers and cover plate, when liquid crystal display module do not show be closed time, liquid crystal display module is black, when now product surface being applied pressure with writing pencil, the track of pressure can be demonstrated, realize writing pads function, the content of handwriting pad is noted down, if needed, handwritten content is shown to liquid crystal module by the technology such as Wifi or bluetooth, the liquid crystal display module of the present invention both can have been worked as display screen and used with working as handwriting pad, and its simple in construction easily processes, not only increase the function of product, also improve competitiveness.
Accompanying drawing explanation
Fig. 1 is the structure chart of the liquid crystal display module with handwriting functions of the present invention；
Fig. 2 is the top view of Fig. 1.
Main element symbol description is as follows:
1, cover plate 2, TFT-LCD panel
3, the first metal circuit board 4, upper polaroid
5, lower polaroid the 6, second metal circuit board
7, cholesteric liquid crystal polymers 8, contiguous block
9, liquid crystal display FPC10, driving IC
11, first electrode the 12, second electrode
13, cls drives plate 14, handwriting pad FPC
15, cls button 16, backlight
17, holding tank 18, OCA glue
19, lithium battery
Detailed description of the invention
In order to more clearly state the present invention, below in conjunction with accompanying drawing, the present invention is further described.
Refer to Fig. 1-2, liquid crystal display module with handwriting functions provided by the invention, including cover plate 1 and the TFT-LCD panel 2 being secured to laminating, the lower surface of cover plate 1 is coated with the first metal circuit board 3, TFT-LCD panel 2 upper surface is fixing is fitted with polaroid 4, and its lower surface is fixing is fitted with lower polaroid 5, the upper surface of upper polaroid 4 is coated with the second metal circuit board 6, second metal circuit board 6 upper surface scribbles cholesteric liquid crystal polymers 7, one end convex of TFT-LCD panel 2 is provided with a contiguous block 8, contiguous block 8 is packaged with liquid crystal display FPC9 and drives IC10；
Display function: liquid crystal display transmits a signal to TFT-LCD panel 2, TFT-LCD panel 2 and displays, thus showing on cover plate 1；
Handwriting functions: writing pencil carries out hand-written on cover plate 1, compressing cover plate 1 surface, liquid crystal molecule occurs axially varying under the effect of external force, optics is through forming comparison of light and shade, cholesteric liquid crystal polymers 7 can record the vestige that writing pencil streaks, thus showing on cover plate 1, it is achieved hand-written function.
Situation relative to prior art, liquid crystal display module with handwriting functions provided by the invention, common liquid crystal display module can be treated as use, writing pads function is the used time not, the display effect of liquid crystal display module is affected very little by cholesteric liquid crystal polymers 7 and cover plate 1, when liquid crystal display module do not show be closed time, liquid crystal display module is black, when now product surface being applied pressure with writing pencil, the track of pressure can be demonstrated, realize writing pads function, if needed, handwritten content is shown to liquid crystal module by the technology such as Wifi or bluetooth, the liquid crystal display module of the present invention both can have been worked as display screen and used with working as handwriting pad, and its simple in construction easily processes, not only increase the function of product, also improve competitiveness.
In the present embodiment, bonding by OCA glue 18 between the first metal circuit board 3 and cholesteric liquid crystal polymers 4, bonding also by OCA glue 18 between cover plate 1 with TFT-LCD panel 2.OCA glue 18 is filled out in the gap being filled between cover plate 1 and TFT-LCD panel 2.
In the present embodiment, one end of the first metal circuit board 3 is outward extended with the first electrode 11, and one end of the second metal circuit board 6 is outward extended with the second electrode 12, and the first electrode 11 and the second electrode 12 drive plate 13 to electrically connect with cls.Cls drives plate 13 for cls time hand-written.
In the present embodiment, cls drives plate 13 to be provided with handwriting pad FPC14, cls button 15 and lithium battery 19, and cls button 15 is connected with lithium battery, and cls button 15 electrically connects with handwriting pad FPC14.When conducting pressed by cls button 15, cholesteric liquid crystal polymers 7 is subject to the effect of electric field, reverts to original state, and writing pencil track is eliminated.
In the present embodiment, the lower surface of lower polaroid 5 is provided with backlight 14, backlight 16 cave inward formation one holding tank 17, TFT-LCD panel 2 be positioned at this holding tank 17.
The present invention also provides for the manufacture method of a kind of liquid crystal display module with handwriting functions, comprises the following steps:
S1, ITO circuit is uniformly coated on the surface of upper polaroid 4, forms the second metal circuit board 6, drying, make the second metal circuit board dry, smooth.In the same manner, ITO deposit traces cover plate 1 will form the first metal circuit board 3；
S2, upper polaroid 4 is attached to TFT-LCD panel 2 upper surface, allocates cholesteric liquid crystal polymers 7, cholesteryl liquid crystal is mixed with the ratio of 7:3 with orientation xanthan polymer, cholesteryl liquid crystal is oriented.Polymer-coated on upper polaroid surface by directional；
S3, the cover plate 1 with the first metal circuit board 3 is being compound on S2；
S4, lower polaroid 5 is attached to TFT-LCD panel 2 lower surface, is then put into deaeration in deaeration machine, remove and attach the bubble produced；
S5, driving IC10 is encapsulated on TFT-LCD panel 2 after, liquid crystal display FPC9 is encapsulated on TFT-LCD panel 2, it is achieved display function；
S6, will one lead-in wire of each pull-out between the first electrode 11 and the second electrode 12, and cls driving plate 13 is connected in one；
S7, cls driving the cls button 15 on plate 13 extract two GPIO interface again, control GPIO interface driving cls by TV motherboard, synchronous signal exports liquid crystal module, it is shown that；
S8, backlight 16 and TFT-LCD panel 2 are assembled, complete one and both there is liquid crystal display module function, the liquid crystal display module with handwriting functions that can use as handwriting pad education or meeting panel again.
In the present embodiment, in step S1, ITO deposit traces thickness is 0.25-0.35um, and resistance is 500 ± 150 Europe.
In the present embodiment, in step S2, the polymer-coated thickness of directional is 0.25-0.35mm.
In the present embodiment, with the pressure head of 160 ± 5 DEG C in step S6, under the pressure of 22 ± 1kgf, pressing 6S, is encapsulated in driving IC10 on TFT-LCD panel 2, then the pressure head with 155 ± 5 DEG C, under the pressure of 6 ± 1kgf, pressing 10S, liquid crystal display FPC9 is encapsulated on TFT-LCD panel 2.
TFT: i.e. TFT, belongs to the one in AMLCD.
FPC: flexible PCB is to have height reliability, excellent flexible printed circuit with polyimides or mylar for the one that base material is made, and is called for short soft board or FPC.
OCA glue: for the extraordinary adhesive of cementing transparent optical element.
The present invention is not limited to this, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (9)
1. the liquid crystal display module with handwriting functions, it is characterized in that, including cover plate and the TFT-LCD panel being secured to laminating, the lower surface of described cover plate is coated with the first metal circuit board, described TFT-LCD panel upper surface is fixing is fitted with polaroid, and its lower surface is fixing is fitted with lower polaroid, the upper surface of described upper polaroid is coated with the second metal circuit board, described second metal circuit board upper surface scribbles cholesteric liquid crystal polymers, one end convex of described TFT-LCD panel is provided with a contiguous block, described contiguous block is packaged with liquid crystal display FPC and drives IC；
Display function: liquid crystal display transmits a signal to TFT-LCD panel, and TFT-LCD panel displays, thus on the cover board showing；
Handwriting functions: writing pencil on the cover board carries out hand-written, oppresses lid surface, and liquid crystal molecule occurs axially varying under the effect of external force, optics is through forming comparison of light and shade, cholesteric liquid crystal polymers can record the vestige that writing pencil streaks, thus on the cover board showing, it is achieved hand-written function.
2. the liquid crystal display module with handwriting functions according to claim 1, it is characterised in that connect by OCA is gluing between described first metal circuit board and cholesteric liquid crystal polymers, connect also by OCA is gluing between described cover plate and TFT-LCD panel.
3. the liquid crystal display module with handwriting functions according to claim 1, it is characterized in that, one end of described first metal circuit board is outward extended with the first electrode, one end of described second metal circuit board is outward extended with the second electrode, described first electrode and the second electrode and drives plate to electrically connect with cls.
4. the liquid crystal display module with handwriting functions according to claim 3, it is characterized in that, described cls drives plate to be provided with handwriting pad FPC, cls button and lithium battery, and described cls button is connected with lithium battery, and described cls button electrically connects with handwriting pad FPC.
5. the liquid crystal display module with handwriting functions according to claim 1, it is characterised in that the lower surface of described lower polaroid is provided with backlight, described backlight caves inward and forms a holding tank, and described TFT-LCD panel is positioned at this holding tank.
6. the manufacture method of the liquid crystal display module with handwriting functions, it is characterised in that comprise the following steps:
S1, ITO circuit is uniformly coated on the surface of upper polaroid, forms the second metal circuit board, drying, make the second metal circuit board dry, smooth.In the same manner, ITO deposit traces cover plate will form the first metal circuit board；
S2, by upper polarizer sheet sticking at TFT-LCD panel upper surface, allocate cholesteric liquid crystal polymers, cholesteryl liquid crystal mixed with the ratio of 7:3 with orientation xanthan polymer, cholesteryl liquid crystal is oriented.Polymer-coated on upper polaroid surface by directional；
S3, the cover plate with the first metal circuit board is being compound on S2；
S4, by lower polarizer sheet sticking at TFT-LCD panel lower surface, be then put into deaeration in deaeration machine, remove attach produce bubble；
S5, driving IC is encapsulated on TFT-LCD panel after, liquid crystal display FPC is encapsulated on TFT-LCD panel, it is achieved display function；
S6, will one lead-in wire of each pull-out between the first electrode and the second electrode, and cls driving plate is connected in one；
S7, cls driving the cls button on plate extract two GPIO interface again, control GPIO interface driving cls by TV motherboard, synchronous signal exports liquid crystal module, it is shown that；
S8, backlight and TFT-LCD panel sectional are got up, complete one and both there is liquid crystal display module function, the liquid crystal display module with handwriting functions that can use as handwriting pad education or meeting panel again.
7. the manufacture method of a kind of liquid crystal display module with handwriting functions according to claim 6, it is characterised in that in described step S1, ITO deposit traces thickness is 0.25-0.35um, and resistance is 500 ± 150 Europe.
8. the manufacture method of a kind of liquid crystal display module with handwriting functions according to claim 6, it is characterised in that in described step S2, the polymer-coated thickness of directional is 0.25-0.35mm.
9. the manufacture method of a kind of liquid crystal display module with handwriting functions according to claim 6, it is characterized in that, with the pressure head of 160 ± 5 DEG C in described step S6, under the pressure of 22 ± 1kgf, pressing 6S, driving IC is encapsulated on TFT-LCD panel, again with the pressure head of 155 ± 5 DEG C, under the pressure of 6 ± 1kgf, pressing 10S, liquid crystal display FPC is encapsulated on TFT-LCD panel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191991.5A CN105717684A (en) | 2016-03-30 | 2016-03-30 | Liquid crystal display module having handwriting function and manufacture method thereof |
| HK16111266.6A HK1223159A1 (en) | 2016-03-30 | 2016-09-26 | Liquid crystal display mold with handwriting function and maufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191991.5A CN105717684A (en) | 2016-03-30 | 2016-03-30 | Liquid crystal display module having handwriting function and manufacture method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105717684A true CN105717684A (en) | 2016-06-29 |
Family
ID=56158434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610191991.5A Pending CN105717684A (en) | 2016-03-30 | 2016-03-30 | Liquid crystal display module having handwriting function and manufacture method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105717684A (en) |
| HK (1) | HK1223159A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647087A (en) * | 2017-01-24 | 2017-05-10 | 北海星沅电子科技有限公司 | Method for manufacturing writing pad having liquid crystal display function |
| CN107092110A (en) * | 2017-06-06 | 2017-08-25 | 深圳市厚璞科技有限公司 | A kind of display device and its display methods for being integrated with bistable liquid crystal film |
| CN109116600A (en) * | 2017-06-22 | 2019-01-01 | 深圳市朗得力科技有限公司 | A kind of liquid crystal display with handwriting functions |
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|---|---|---|---|---|
| CN1095821A (en) * | 1992-02-07 | 1994-11-30 | 株式会社百乐 | Writable lcd panel |
| CN1207524A (en) * | 1997-08-06 | 1999-02-10 | 日本电气株式会社 | Portable terminal apparatus having handwritten data input means |
| CN1397893A (en) * | 2001-07-19 | 2003-02-19 | 宏碁股份有限公司 | Notebook computer with headwriting input device |
| CN2609013Y (en) * | 2003-03-14 | 2004-03-31 | 力盛光电股份有限公司 | Inductive liquid crystal display |
| CN201072476Y (en) * | 2007-06-21 | 2008-06-11 | 中兴通讯股份有限公司 | LCD module group with hand-written function |
| CN101248387A (en) * | 2005-05-09 | 2008-08-20 | 财团法人工业技术研究院 | Reusable electronic writing and displaying device |
| CN103092401A (en) * | 2011-11-01 | 2013-05-08 | 肯特显示器公司 | Writing tablet information recording device |
| CN103246096A (en) * | 2012-02-13 | 2013-08-14 | 江苏和成显示科技股份有限公司 | Bistable liquid crystal handwriting device |
| CN103424922A (en) * | 2012-05-22 | 2013-12-04 | 肯特显示器公司 | Electronic display with semitransparent back layer |
| CN104062797A (en) * | 2014-07-14 | 2014-09-24 | 深圳市唯酷光电有限公司 | Liquid crystal handwriting device |
| CN104118249A (en) * | 2013-04-23 | 2014-10-29 | 鸿富锦精密工业（深圳）有限公司 | Electronic writing board |
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2016
- 2016-03-30 CN CN201610191991.5A patent/CN105717684A/en active Pending
- 2016-09-26 HK HK16111266.6A patent/HK1223159A1/en unknown
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095821A (en) * | 1992-02-07 | 1994-11-30 | 株式会社百乐 | Writable lcd panel |
| CN1207524A (en) * | 1997-08-06 | 1999-02-10 | 日本电气株式会社 | Portable terminal apparatus having handwritten data input means |
| CN1397893A (en) * | 2001-07-19 | 2003-02-19 | 宏碁股份有限公司 | Notebook computer with headwriting input device |
| CN2609013Y (en) * | 2003-03-14 | 2004-03-31 | 力盛光电股份有限公司 | Inductive liquid crystal display |
| CN101248387A (en) * | 2005-05-09 | 2008-08-20 | 财团法人工业技术研究院 | Reusable electronic writing and displaying device |
| CN201072476Y (en) * | 2007-06-21 | 2008-06-11 | 中兴通讯股份有限公司 | LCD module group with hand-written function |
| CN103092401A (en) * | 2011-11-01 | 2013-05-08 | 肯特显示器公司 | Writing tablet information recording device |
| CN103246096A (en) * | 2012-02-13 | 2013-08-14 | 江苏和成显示科技股份有限公司 | Bistable liquid crystal handwriting device |
| CN103424922A (en) * | 2012-05-22 | 2013-12-04 | 肯特显示器公司 | Electronic display with semitransparent back layer |
| CN104118249A (en) * | 2013-04-23 | 2014-10-29 | 鸿富锦精密工业（深圳）有限公司 | Electronic writing board |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647087A (en) * | 2017-01-24 | 2017-05-10 | 北海星沅电子科技有限公司 | Method for manufacturing writing pad having liquid crystal display function |
| CN107092110A (en) * | 2017-06-06 | 2017-08-25 | 深圳市厚璞科技有限公司 | A kind of display device and its display methods for being integrated with bistable liquid crystal film |
| CN109116600A (en) * | 2017-06-22 | 2019-01-01 | 深圳市朗得力科技有限公司 | A kind of liquid crystal display with handwriting functions |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1223159A1 (en) | 2017-07-21 |
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