CN102110427A - Liquid crystal display module - Google Patents
Liquid crystal display module Download PDFInfo
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- CN102110427A CN102110427A CN 201110045848 CN201110045848A CN102110427A CN 102110427 A CN102110427 A CN 102110427A CN 201110045848 CN201110045848 CN 201110045848 CN 201110045848 A CN201110045848 A CN 201110045848A CN 102110427 A CN102110427 A CN 102110427A
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- photosensing units
- liquid crystal
- circuit board
- integrated
- lcd panel
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 43
- 230000003287 optical effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000011521 glass Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 230000008676 import Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- Liquid Crystal Display Device Control (AREA)
Abstract
An embodiment of the present invention provides a liquid crystal display module, including: a liquid crystal panel, at least one light sensing element and a printed circuit board. The optical sensing device is used for sensing a control signal and generating a sensing signal accordingly. The printed circuit board is electrically connected to the light sensing element and is used for transmitting the sensing signal.
Description
Technical field
The present invention relates to field of liquid crystal display, particularly relate to a kind of LCD MODULE that includes Photosensing Units, wherein, this Photosensing Units is used for the controlling signal that the sensing telechiric device is produced.
Background technology
Lcd technology has been widely used in all types of display device at present, and replaces conventional display device gradually.In general, for the convenience of the users, LCD all can be controlled by the telechiric device of far-end usually, for example: adjust the volume of display output or carry out the switching in video signal source by remote control system device.In order to receive the controlling signal that telechiric device is launched, liquid crystal indicator must be provided with sensing element in inside and receive.
Please refer to Fig. 1, it is provided with synoptic diagram for the inside of conventional liquid crystal.As shown in the figure, LCD 100 is mainly carried out image by panel module 110 and is shown, the control circuit 120 that is arranged on the system printed circuit board 125 then is used for message/video signal that external device (ED) is exported is handled, and converts video signal to liquid crystal panel module 110 receivable signal forms (as: LVDS).Panel module 110 is after receiving the signal that panel module 110 imported, and inner driving circuit (as gate drivers and source electrode driver) can produce suitable voltage according to this, comes the liquid crystal molecule in the drive surface plate module 110, to carry out the demonstration of image.Moreover, telechiric device 150 is by transmitting infrared ray control signal to the inner infrared ray sensing cell 130 of the control device 140 (as: set-top box) that links to each other with LCD 100, infrared ray sensing cell 130 will be controlled signal by the sensing infrared ray, and by corresponding decoding circuit, obtain the instruction that telechiric device 150 is sent out, control device 140 can be sent to control circuit 120 with the signal of correspondence.Subsequently, 120 other circuit components that can come according to this on the control printed circuit board 125 of control circuit are adjusted with function and operation to LCD 100.
Hence one can see that, though the volume of infrared ray sensing cell 130 and little, its set control device that places 140 has the dimensions size.If need control device 140 is embedded in the LCD 100, then LCD 100 inside are bound to such an extent that additional space is provided, and can increase the volume of LCD 100 thus.In addition, the configuration of infrared ray sensing cell 130 is an extra technology concerning the manufacturing course of LCD 100.In other words, the sensing element in the conventional liquid crystal is not integrated in the production run effectively, thereby increases the complexity of LCD technology.
Summary of the invention
In view of this, the present invention proposes a kind of notion of one that Photosensing Units and LCD MODULE are integrated into.By such integration mode, when the process liquor crystal display, can further reduce production costs and complexity.Thus, manufacturer can directly use LCD MODULE production fluid in the next life crystal device that includes Photosensing Units, and does not need to carry out in addition the configurator of optical sensing module, also can effectively control the volume size of LCD simultaneously.
One embodiment of the invention provide a kind of LCD MODULE, and this LCD MODULE includes: a liquid crystal panel, at least one Photosensing Units and a printed circuit board (PCB).This Photosensing Units is used for sensing one controlling signal, and produces a sensing signal according to this.This printed circuit board (PCB) is electrically connected on this Photosensing Units, and is used for transmitting this sensing signal.
In one embodiment of the invention, this Photosensing Units is integrated in this liquid crystal panel.
In another embodiment of the present invention, this Photosensing Units is arranged on this printed circuit board (PCB).
In another embodiment of the present invention, this LCD panel module also includes one drive circuit, and this Photosensing Units is integrated in this driving circuit.
Preferably, this controlling signal of being sent in order to sensing one telechiric device of this Photosensing Units.
Description of drawings
Fig. 1 is the inner structure synoptic diagram of conventional liquid crystal.
Fig. 2 is the structural representation of an embodiment of LCD MODULE of the present invention.
Fig. 3 is the structural representation of another embodiment of LCD MODULE of the present invention.
Fig. 4 is the structural representation of the another embodiment of LCD MODULE of the present invention.
Fig. 5 is the structural representation of an embodiment again of LCD MODULE of the present invention.
The reference numeral explanation
100,200,300,400,700 LCD MODULE
110,210,310,410,710 liquid crystal panels
220,320,420,720 Photosensing Units
230,330,430,730 printed circuit board (PCB)s
240,340,440,740 light-emitting components
270,370,470,770 source electrode drive circuits
280,380,480,780 gate driver circuits
500 control circuit boards
510 time schedule controllers
520 voltage conversion circuits
125,600 system circuit boards
120,610 control circuits
735 flexible flat bus cables, flexible printed wiring board
130 infrared ray sensing cells
140 control device
150 telechiric devices
Embodiment
Please refer to Fig. 2, it is the structural representation of an embodiment of LCD MODULE of the present invention.As shown in the figure, LCD MODULE 200 includes liquid crystal panel 210, Photosensing Units 220 and printed circuit board (PCB) 230.The composition structure of liquid crystal panel 210 may comprise (but being not limited to) Polarizer, liquid crystal layer, glass substrate and color filter.Photosensing Units 220 is used for sensing one controlling signal S_Control, to produce a sensing signal S_Sensed.Wherein, controlling signal S_Control may control signal according to the infrared ray that user's input is produced for a telechiric device (not shown).Printed circuit board (PCB) 230 is electrically connected on Photosensing Units 220, and be used for sensing signal S_Sensed is transferred to control circuit 610 on the system circuit board 600, control circuit 610 can be decoded to sensing signal S_Sensed, with the indication of learning that the user is imported.According to this, after control circuit 610 is learnt the indication that the user imports, the operation of other circuit on the further control system circuit board 600 of meeting, as: operation, control message circuit that the control tuner carries out the channel switching carry out the adjusting of volume output or carry out the switching selection in different signals source.Moreover, include a control circuit board 500 between the signal delivering path between printed circuit board (PCB) 230 and the system circuit board 600 again, may be provided with time schedule controller 510 and voltage conversion device 520 on it.Time schedule controller 510 is mainly used to control by system circuit board 600 and is transmitted next low voltage differential signal (low voltage differential signal, LVDS) and with the signal of correspondence transfer to source electrode drive circuit 270 and gate driver circuit 280 by printed circuit board (PCB) 230, use driving liquid crystal molecule and come show image.Required power supply when 520 of voltage conversion devices are used to provide circuit operation.Should be noted in the discussion above that this description only makes an explanation to element relevant with main concept of the present invention in the LCD MODULE 200.Yet in fact, LCD MODULE 200 may also include other and keep the required circuit component of running.Therefore, the explanation for the inner structure of LCD MODULE 200 more than should not be regarded as limitation of the present invention.
In present embodiment, Photosensing Units 220 is integrated in the liquid crystal panel 210, as: by semiconductor technology with on the glass substrate or color filter that are arranged at liquid crystal panel 210 inside.Photosensing Units 220 then may be light sensitive components such as photodiode, phototransistor or photoresistance.In addition, present embodiment also can be integrated in a light-emitting component 240 in the liquid crystal panel 210 and integrate except Photosensing Units 220 and liquid crystal panel are integrated, being used to show the mode of operation of LCD MODULE 200, as: shutdown, standby or close.Light-emitting component 240 also can then be arranged on the glass substrate or color filter of liquid crystal panel 210 inside by semiconductor technology.In the middle of, light-emitting component 240 may be a light emitting diode.
Except Photosensing Units is arranged in the liquid crystal panel, other embodiment of the present invention have disclosed the enforcement notion that Photosensing Units is arranged at other elements in the LCD MODULE, ask for an interview following explanation.Please refer to Fig. 3, it is the structural representation of another embodiment of LCD MODULE of the present invention.As shown in the figure, LCD MODULE 300 includes liquid crystal panel 310, Photosensing Units 320 and printed circuit board (PCB) 330.The composition structure of liquid crystal panel 310 may comprise (but being not limited to) Polarizer, liquid crystal layer, glass substrate and color filter.Photosensing Units 320 is used for sensing one controlling signal S_Control, to produce a sensing signal S_Sensed.Wherein, controlling signal S_Control may control signal according to the infrared ray that user's input is produced for a telechiric device (not shown).Printed circuit board (PCB) 330 is electrically connected on Photosensing Units 320, and be used for sensing signal S_Sensed is transferred to control circuit 610 on the system circuit board 600, control circuit 610 can be decoded to sensing signal S_Sensed, with the indication of learning that the user is imported.According to this, after control circuit 610 is learnt the indication that the user imports, the operation of other circuit on the further control system circuit board 600 of meeting, as: operation, control message circuit that the control tuner carries out the channel switching carry out the adjusting of volume output or carry out the switching selection in different signals source.Moreover, include control circuit board 500 again between the signal delivering path between printed circuit board (PCB) 330 and the system circuit board 600, may be provided with time schedule controller 510 and voltage conversion device 520 on it.Time schedule controller 510 is mainly used to control by system circuit board 600 and is transmitted next low voltage differential signal (low voltage differential signal, LVDS) and with the signal of correspondence transfer to source electrode drive circuit 370 and gate driver circuit 380 by printed circuit board (PCB) 330, use driving liquid crystal molecule and come show image.Required power supply when 520 of voltage conversion devices are used to provide circuit operation.Should be noted in the discussion above that this description only makes an explanation to element relevant with main concept of the present invention in the LCD MODULE 300.Yet in fact, LCD MODULE 300 may also include other and keep the required circuit component of running.Therefore, the explanation for the inner structure of LCD MODULE 300 more than should not be regarded as limitation of the present invention.
In present embodiment, Photosensing Units 320 is arranged on the printed circuit board (PCB) 330, and by the cabling on the printed circuit board (PCB) 330, via control circuit board 500, transfers to the control circuit 610 on the system circuit board 600 again.Should be noted in the discussion above that in other embodiment of the present invention, the sensing signal S_Sensed that Photosensing Units 320 is produced may not need can transfer to control circuit 610 via the circuit on the control circuit board 500.In addition, Photosensing Units 220 may be light sensitive components such as photodiode, phototransistor or photoresistance.Moreover in an embodiment, the present invention is integrated in light-emitting component 340 on the printed circuit board (PCB) 330, and it can be used for showing the mode of operation of LCD MODULE 300, as: shutdown, standby or close.
Except above embodiment, the another embodiment of LCD MODULE of the present invention has disclosed the enforcement notion that Photosensing Units is provided with source electrode drive circuit, asks for an interview following explanation.Please refer to Fig. 4, it is the structural representation of the another embodiment of LCD MODULE of the present invention.As shown in the figure, LCD MODULE 400 includes liquid crystal panel 410, Photosensing Units 420 and printed circuit board (PCB) 430.The composition structure of liquid crystal panel 410 may comprise (but being not limited to) Polarizer, liquid crystal layer, glass substrate and color filter.Photosensing Units 420 is used for sensing one controlling signal S_Control, to produce a sensing signal S_Sensed.Wherein, controlling signal S_Control may control signal according to the infrared ray that user's input is produced for a telechiric device (not shown).Printed circuit board (PCB) 430 is electrically connected on Photosensing Units 420, and be used for sensing signal S_Sensed is transferred to control circuit 610 on the system circuit board 600, control circuit 610 can be decoded to sensing signal S_Sensed, with the indication of learning that the user is imported.According to this, after control circuit 610 is learnt the indication that the user imports, the operation of other circuit on the further control system circuit board 600 of meeting, as: operation, control message circuit that the control tuner carries out the channel switching carry out the adjusting of volume output or carry out the switching selection in different signals source.Moreover, include control circuit board 500 again between the signal delivering path between printed circuit board (PCB) 430 and the system circuit board 600, may be provided with time schedule controller 510 and voltage conversion device 520 on it.Time schedule controller 510 is mainly used to control by system circuit board 600 and is transmitted next low voltage differential signal (low voltage differential signal, LVDS) and with the signal of correspondence transfer to source electrode drive circuit 470 and gate driver circuit 480 by printed circuit board (PCB) 430, use driving liquid crystal molecule and come show image.Required power supply when 520 of voltage conversion devices are used to provide circuit operation.Should be noted in the discussion above that this description only makes an explanation to element relevant with main concept of the present invention in the LCD MODULE 400.Yet in fact, LCD MODULE 400 may also include other and keep the required circuit component of running.Therefore, the explanation for the inner structure of LCD MODULE 400 more than should not be regarded as limitation of the present invention.
In present embodiment, Photosensing Units 420 is integrated in the source electrode drive circuit 470 (may be integrated in the driving wafer in the source electrode drive circuit 470 or the printed circuit board (PCB) of source electrode drive circuit 470 is set).In addition, Photosensing Units 420 may be Photosensing Units such as photodiode, phototransistor or photoresistance.Except integrating Photosensing Units 420, present embodiment also is integrated in a light-emitting component 440 in the source electrode drive circuit 470, and it can be used for showing the mode of operation of LCD MODULE 400, as: shutdown, standby or close.
An embodiment again of LCD MODULE of the present invention has disclosed Photosensing Units has been arranged at flexible flat bus cable (Flex Flat Cable, FFC) or flexible printed wiring board (Flexible PrintedCircuit, FPC) the enforcement notion on is asked for an interview following explanation.Please refer to Fig. 5, it is for the structural representation of an embodiment again of LCD MODULE of the present invention.As shown in the figure, LCD MODULE 700 includes liquid crystal panel 710, Photosensing Units 720 and printed circuit board (PCB) 730.Photosensing Units 720 is used for sensing one controlling signal S_Control, to produce a sensing signal S_Sensed.Wherein, controlling signal S_Control may control signal according to the infrared ray that user's input is produced for a telechiric device (not shown).Printed circuit board (PCB) 730 is electrically connected on Photosensing Units 720, and be used for sensing signal S_Sensed is transferred to control circuit 610 on the system circuit board 600, control circuit 610 can be decoded to sensing signal S_Sensed, with the indication of learning that the user is imported.According to this, after control circuit 610 is learnt the indication that the user imports, the operation of other circuit on can further control system circuit board 600.Moreover, include control circuit board 500 again between the signal delivering path between printed circuit board (PCB) 730 and the system circuit board 600, may be provided with time schedule controller 510 and voltage conversion device 520 on it.Time schedule controller 510 is mainly used to control by system circuit board 600 and is transmitted the low voltage differential signal that comes and the signal of correspondence is transferred to source electrode drive circuit 770 and gate driver circuit 780 by printed circuit board (PCB) 730, uses to drive liquid crystal molecule and come show image.Required power supply when 520 of voltage conversion devices are used to provide circuit operation.
Moreover, may utilize flexible flat bus cable 735 or flexible printed wiring board 735 to carry out the signal transmission between control circuit board 500 and the printed circuit board (PCB) 730.And in present embodiment, Photosensing Units 720 is integrated in flexible flat bus cable 735 or the flexible printed wiring board 735.In the middle of, Photosensing Units 720 may be Photosensing Units such as photodiode, phototransistor or photoresistance.Except integrating Photosensing Units 720, present embodiment also is integrated in a light-emitting component 740 in flexible flat bus cable 735 or the flexible printed wiring board 735, and it can be used for showing the mode of operation of LCD MODULE 700, as: shutdown, standby or close.
In addition, the technical characterictic that should be noted in the discussion above that in different embodiments of the invention to be carried not is only can be implemented in a certain specific embodiment.In fact, can be by the foregoing description be suitably revised, so that the mentioned technical characterictic of a plurality of different embodiment is integrated in same embodiment.For instance, an amended embodiment may include simultaneously Photosensing Units is arranged at technical characterictic in the liquid crystal panel and the technical characterictic that light-emitting component is arranged at printed circuit board (PCB).
In an embodiment more of the present invention, a kind of liquid crystal indicator is provided again, it includes above-described LCD MODULE, and other necessary circuit elements (as system circuit board etc.).Generally on, it is different that liquid crystal indicator of the present invention and conventional liquid crystal there is no, and difference is that the employed LCD MODULE of liquid crystal indicator of the present invention has been integrated with Photosensing Units, with the controlling signal of sensing telechiric device.Therefore, as long as any LCD has the feature that Photosensing Units is integrated in LCD MODULE, all should belong to category of the present invention.
In summary, the present invention effectively reduces the manufacturing cost and the complexity of producing liquid crystal indicator by the integration of Photosensing Units and LCD MODULE, and reduces the volume of liquid crystal indicator, and then provide one of manufacturer both economic, and the integrated scheme that also takes advantage dimensionally.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (13)
1. LCD MODULE includes:
One liquid crystal panel;
At least one Photosensing Units is used for sensing one controlling signal, to produce a sensing signal; And
One printed circuit board (PCB) is electrically connected on this Photosensing Units, is used for transmitting this sensing signal.
2. LCD panel module as claimed in claim 1, wherein this Photosensing Units is integrated in this liquid crystal panel.
3. LCD panel module as claimed in claim 1, wherein this Photosensing Units is arranged on this printed circuit board (PCB).
4. LCD panel module as claimed in claim 1 also includes the one source pole driving circuit, and wherein this Photosensing Units is integrated in this source electrode drive circuit.
5. LCD panel module as claimed in claim 1 also includes a flexible flat bus cable, and wherein this Photosensing Units is integrated in this flexible flat bus cable.
6. LCD panel module as claimed in claim 1 also includes a flexible printed wiring board, and wherein this Photosensing Units is integrated in this flexible printed wiring board.
7. LCD panel module as claimed in claim 1, wherein this controlling signal of being sent in order to sensing one telechiric device of this Photosensing Units.
8. LCD panel module as claimed in claim 1, wherein this Photosensing Units is a photodiode, a phototransistor or a photoresistance.
9. LCD panel module as claimed in claim 1 also includes at least one light-emitting component, is integrated in this liquid crystal panel.
10. LCD panel module as claimed in claim 1 also includes at least one light-emitting component, is arranged on this printed circuit board (PCB).
11. LCD panel module as claimed in claim 1 also includes at least one light-emitting component and one source pole driving circuit, wherein this light-emitting component is integrated in this source electrode drive circuit.
12. LCD panel module as claimed in claim 1 also includes a flexible flat bus cable and at least one light-emitting component, wherein this light-emitting component is integrated in this flexible flat bus cable.
13. LCD panel module as claimed in claim 1 also includes a flexible printed wiring board and at least one light-emitting component, wherein this light-emitting component is integrated in this flexible printed wiring board.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW99147139A TW201227700A (en) | 2010-12-30 | 2010-12-30 | Liquid crystal display module |
| TW099147139 | 2010-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102110427A true CN102110427A (en) | 2011-06-29 |
Family
ID=44174563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110045848 Pending CN102110427A (en) | 2010-12-30 | 2011-02-25 | Liquid crystal display module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102110427A (en) |
| TW (1) | TW201227700A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102662265A (en) * | 2012-05-10 | 2012-09-12 | 深圳市华星光电技术有限公司 | Liquid crystal display module and liquid crystal display device |
| CN106023915A (en) * | 2016-05-26 | 2016-10-12 | 深圳市华星光电技术有限公司 | Control circuit and display device |
| CN114550610A (en) * | 2020-11-26 | 2022-05-27 | 创新服务股份有限公司 | LED display screen with touch function |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1991501A (en) * | 2005-12-28 | 2007-07-04 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device and fabricating and driving method thereof |
| US20100090941A1 (en) * | 2008-10-09 | 2010-04-15 | Hyun-Jin Kim | Liquid crystal display |
| CN101923260A (en) * | 2009-06-09 | 2010-12-22 | 友达光电股份有限公司 | Liquid crystal display |
-
2010
- 2010-12-30 TW TW99147139A patent/TW201227700A/en unknown
-
2011
- 2011-02-25 CN CN 201110045848 patent/CN102110427A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1991501A (en) * | 2005-12-28 | 2007-07-04 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device and fabricating and driving method thereof |
| US20100090941A1 (en) * | 2008-10-09 | 2010-04-15 | Hyun-Jin Kim | Liquid crystal display |
| CN101923260A (en) * | 2009-06-09 | 2010-12-22 | 友达光电股份有限公司 | Liquid crystal display |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102662265A (en) * | 2012-05-10 | 2012-09-12 | 深圳市华星光电技术有限公司 | Liquid crystal display module and liquid crystal display device |
| WO2013166742A1 (en) * | 2012-05-10 | 2013-11-14 | 深圳市华星光电技术有限公司 | Liquid crystal display module and liquid crystal display device |
| CN102662265B (en) * | 2012-05-10 | 2014-11-05 | 深圳市华星光电技术有限公司 | Liquid crystal display module and liquid crystal display device |
| CN106023915A (en) * | 2016-05-26 | 2016-10-12 | 深圳市华星光电技术有限公司 | Control circuit and display device |
| CN106023915B (en) * | 2016-05-26 | 2018-08-07 | 深圳市华星光电技术有限公司 | Control circuit and display device |
| CN114550610A (en) * | 2020-11-26 | 2022-05-27 | 创新服务股份有限公司 | LED display screen with touch function |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201227700A (en) | 2012-07-01 |
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Application publication date: 20110629 |