CN105467642A - LCD display screen - Google Patents
LCD display screen Download PDFInfo
- Publication number
- CN105467642A CN105467642A CN201510890356.1A CN201510890356A CN105467642A CN 105467642 A CN105467642 A CN 105467642A CN 201510890356 A CN201510890356 A CN 201510890356A CN 105467642 A CN105467642 A CN 105467642A
- Authority
- CN
- China
- Prior art keywords
- conductive glass
- circuit
- lcd display
- main control
- control chip
- 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.)
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Classifications
-
- 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
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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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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- 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
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Human Computer Interaction (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention discloses an LCD display screen. The LCD display screen comprises a first conductive glass layer, a second conductive glass layer, and a liquid crystal material. The LCD display screen also comprises a display circuit, a touch control signal sensing circuit and an MCU main control chip. The MCU main control chip is connected with a display driving module, a touch control signal processing module, a power supply circuit, a communication module, a temperature and humidity sensor, a memory module, a clock module and a dial switch. The touch control signal sensing circuit determines the change of the input signal of the circuit, and transmits the signal to the MCU main control chip through the touch control signal processing module, then the display driving module drives a display circuit, an electric field is formed on the two conductive glass layers, arrangement of liquid crystal molecules is affected, molecule rods turn round, and the content is displayed. By arranging the touch control signal sensing circuit on the conductive glass, a layer of special FPC circuit board serving as the input of signals is omitted, space is saved, at the same time, the equipment reliability is improved.
Description
Technical field
The present invention relates to LCD and show field, be specially a kind of LCD display.
Background technology
Along with improving constantly of scientific and technological level, increasing electronic equipment, as automobile center console, refrigerator, washing machine, lamp ornaments lighting and central air conditioner temp. controller etc., all be provided with LCD display as User Interface, user from the content out of reading displayed LCD display, can also control electronic equipment by input of control commands on the one hand on the other hand.Nowadays, the method for input of control commands mainly comprises two kinds, and one is by hardware input command, as button, switch and knob etc.; Another kind of then be the touching signals by arranging a FPC circuit board Gather and input in LCD display.But, be not difficult in actual applications to find: by the mode of hardware input command because it is numerous and diverse and operation inconvenience, just progressively had the LCD display of touch controllable function replace; And prior art be provided with FPC circuit board in addition with the LCD display of touch controllable function needs, be unfavorable for saving space and improving the reliability of circuit, for follow-up design and devdlop process brings some troubles.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, the invention provides a kind of LCD display, comparing traditional design, eliminate the input that the special FPC circuit board of one deck is used as touching signals, the reliability of equipment is also improved in joint space-efficient simultaneously.
The technical scheme that the present invention's solution adopts for its technical matters is:
A kind of LCD display, comprise the first conductive glass layer, the second conductive glass layer and the liquid crystal material between described first conductive glass layer and the second conductive glass layer, described first conductive glass layer and the second conductive glass layer are provided with mutually corresponding display circuit, it is characterized in that, described first conductive glass layer or the second conductive glass layer are also provided with touching signals sensing circuit.
Further, described display circuit and touching signals sensing circuit are printing transparent circuit.
Further, described display circuit is connected with a MCU main control chip by more than one driver module, described touching signals sensing circuit is connected with MCU main control chip by a touching signals processing module, and the input end of described MCU main control chip is connected with feed circuit.
Further, described MCU main control chip is connected with external unit by a communication module.
Further, described MCU main control chip is also connected with a Temperature Humidity Sensor.
Further, described MCU main control chip is also connected with a memory module.
Further, described MCU main control chip is also connected with a clock module, and described clock module is connected with a super capacitor.
Further, described MCU main control chip is also connected with a toggle switch.
Further, described touching signals sensing circuit is capacitive sensing circuit.
Further, described display circuit and the separate setting of touching signals sensing circuit.
The beneficial effect that the present invention brings has:
A kind of LCD display, by arranging touching signals sensing circuit on conductive glass layer, eliminates the input that the special FPC circuit board of one deck is used as touching signals, and the reliability of equipment is also improved in joint space-efficient simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and the specific embodiments, the invention will be further described,
Accompanying drawing 1 is the wiring diagram of touching signals sensing circuit on conductive glass layer of the present invention;
Accompanying drawing 2 is structural drawing of conductive glass layer of the present invention;
Accompanying drawing 3 is module diagrams of the present invention;
Accompanying drawing 4 is display effect figure of the present invention.
Embodiment
The displaying principle of LCD display is: liquid crystal material is placed between the conductive glass layer of the vertical Polarizer of the attached optical axis of two panels note, liquid crystal molecule sequentially can rotate arrangement according to the fine groove direction of alignment film, if electric field is not formed, light can be injected from Polarizer smoothly, rotate its working direction according to liquid crystal molecule, then penetrate from another side; Upon power-up, can form electric field between two panels conductive glass layer, and then affect the arrangement of liquid crystal molecule therebetween, its molecule rod is reversed, and light just cannot penetrate, and then covers light source.The phenomenon that such obtained light secretly contrasts, is called torsional mode to row field effect, also just forms the displaying contents that we see LCD display.In order to make to form electric field between two sheet glass, corresponding display circuit can be stamped on glass.
With reference to accompanying drawing, the present invention is a kind of LCD display, comprise the first conductive glass layer 1, second conductive glass layer 2 and the liquid crystal material between the first conductive glass layer 1 and the second conductive glass layer 2, first conductive glass layer 1 and the second conductive glass layer 2 are provided with mutually corresponding display circuit 3, make to form electric field between the first conductive glass layer 1, second conductive glass layer 2, realize its Presentation Function; Also comprise the touching signals sensing circuit 4 be arranged on the first conductive glass layer 1 or the second conductive glass layer 2, touching signals sensing circuit 4 forms electric capacity with between the conductor (finger as people) contacting LCD display, and conductor can trigger touching signals close to during LCD display.Touching signals sensing circuit 4 is for being printed on the transparent circuitry on the first conductive glass layer 1 or the second conductive glass layer 2, and setting separate with display circuit 3, work alone, mutually unaffected.Touching signals sensing circuit 4 is capacitive sensing circuit.
Display circuit 3 is connected with a MCU main control chip 11 by more than one driver module 12, touching signals sensing circuit 4 is connected with MCU main control chip 11 by a touching signals processing module 13, and the input end of MCU main control chip 11 is connected with feed circuit 14.MCU main control chip 11 is also connected to communication module 15, Temperature Humidity Sensor 16, memory module 17, clock module 18 and toggle switch 19.The function of MCU main control chip 11 connects and controls all functional modules; The function of driver module 12 drives display circuit 3, makes it to form electric field, thus demonstrate content in LCD display; The present embodiment is provided with more than one driver module 12, when the pixel of LCD display is a lot, may correspond to and arranges more driver module 12; The function of touching signals processing module 13 is the signals receiving and process touching signals sensing circuit 4; Feed circuit 14 provide power supply for MCU main control chip 11 and functional module; MCU main control chip 11 is connected with external unit by communication module 15, controls external unit; Temperature Humidity Sensor 16 gathers the humiture information in environment, and is shown by LCD display; The function of memory module 17 preserves user to arrange, and makes after device powers down, need not reset when restarting; The function of clock module 18 is that super capacitor 181 can ensure after device powers down for MCU main control chip 11 and functional module provide the reference time, the normal operation of clock module 18 energy; The function of toggle switch 19 is special setting, as arranged communication protocol, and set temperature mode (Celsius temperature or Fahrenheit temperature).
Principle of work of the present invention is as follows: when finger is pressed, touching signals sensing circuit 4 is by judging the signal intensity that sensing circuit inputs, detect button operation, signal is passed on MCU main control chip 11 by touching signals processing module 13, MCU main control chip 11 drives display circuit 3 by driver module 12 again, makes to form electric field on two conductive glass layers, affects the Liquid Crystal Molecules Alignment be arranged between two conductive glass layers, its molecule rod is reversed, displaying contents.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (10)
1. a LCD display, the liquid crystal material comprising the first conductive glass layer (1), the second conductive glass layer (2) and be positioned between described first conductive glass layer (1) and the second conductive glass layer (2), described first conductive glass layer (1) and the second conductive glass layer (2) are provided with mutually corresponding display circuit (3), it is characterized in that, described first conductive glass layer (1) or the second conductive glass layer (2) are also provided with touching signals sensing circuit (4).
2. a kind of LCD display according to claim 1, is characterized in that: described display circuit (3) and touching signals sensing circuit (4) are printing transparent circuit.
3. a kind of LCD display according to claim 1, it is characterized in that: described display circuit (3) is connected with a MCU main control chip (11) by more than one driver module (12), described touching signals sensing circuit (4) is connected with MCU main control chip (11) by a touching signals processing module (13), and the input end of described MCU main control chip (11) is connected with feed circuit (14).
4. a kind of LCD display according to claim 3, is characterized in that: described MCU main control chip (11) is connected with external unit by a communication module (15).
5. a kind of LCD display according to claim 3, is characterized in that: described MCU main control chip (11) is also connected with a Temperature Humidity Sensor (16).
6. a kind of LCD display according to claim 3, is characterized in that: described MCU main control chip (11) is also connected with a memory module (17).
7. a kind of LCD display according to claim 3, is characterized in that: described MCU main control chip (11) is also connected with a clock module (18), and described clock module (18) is connected with a super capacitor (181).
8. a kind of LCD display according to claim 3, is characterized in that: described MCU main control chip (11) is also connected with a toggle switch (19).
9. a kind of LCD display according to claim 1, is characterized in that: described touching signals sensing circuit (4) is capacitive sensing circuit.
10. a kind of LCD display according to claim 1, is characterized in that: described display circuit (3) and touching signals sensing circuit (4) separate setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510890356.1A CN105467642A (en) | 2015-12-04 | 2015-12-04 | LCD display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510890356.1A CN105467642A (en) | 2015-12-04 | 2015-12-04 | LCD display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105467642A true CN105467642A (en) | 2016-04-06 |
Family
ID=55605507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510890356.1A Pending CN105467642A (en) | 2015-12-04 | 2015-12-04 | LCD display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105467642A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253634A (en) * | 2018-01-12 | 2018-07-06 | 广东顺德圣堡莱热能科技有限公司 | A kind of touch device for wall-hung boiler and with its wall-hung boiler |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080238883A1 (en) * | 2007-03-28 | 2008-10-02 | Takashi Akiyama | Liquid crystal device |
| CN101881900A (en) * | 2010-07-05 | 2010-11-10 | 信利半导体有限公司 | Liquid crystal display screen |
| CN102981672A (en) * | 2011-08-19 | 2013-03-20 | 苹果公司 | In-cell or on-cell touch sensor with color filter on array |
| CN103365461A (en) * | 2012-03-30 | 2013-10-23 | 乐金显示有限公司 | Touch sensor integrated type display device and method of manufacturing the same |
| TW201506496A (en) * | 2013-03-14 | 2015-02-16 | Microchip Tech Inc | Capacitive based gesture input system |
| CN205210470U (en) * | 2015-12-04 | 2016-05-04 | 珠海艾迪西软件科技有限公司 | LCD display screen |
-
2015
- 2015-12-04 CN CN201510890356.1A patent/CN105467642A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080238883A1 (en) * | 2007-03-28 | 2008-10-02 | Takashi Akiyama | Liquid crystal device |
| CN101881900A (en) * | 2010-07-05 | 2010-11-10 | 信利半导体有限公司 | Liquid crystal display screen |
| CN102981672A (en) * | 2011-08-19 | 2013-03-20 | 苹果公司 | In-cell or on-cell touch sensor with color filter on array |
| CN103365461A (en) * | 2012-03-30 | 2013-10-23 | 乐金显示有限公司 | Touch sensor integrated type display device and method of manufacturing the same |
| TW201506496A (en) * | 2013-03-14 | 2015-02-16 | Microchip Tech Inc | Capacitive based gesture input system |
| CN205210470U (en) * | 2015-12-04 | 2016-05-04 | 珠海艾迪西软件科技有限公司 | LCD display screen |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253634A (en) * | 2018-01-12 | 2018-07-06 | 广东顺德圣堡莱热能科技有限公司 | A kind of touch device for wall-hung boiler and with its wall-hung boiler |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160406 |
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| RJ01 | Rejection of invention patent application after publication |