CN101276560A - Circuit board and liquid crystal display including the same - Google Patents

Circuit board and liquid crystal display including the same Download PDF

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Publication number
CN101276560A
CN101276560A CNA2008100017647A CN200810001764A CN101276560A CN 101276560 A CN101276560 A CN 101276560A CN A2008100017647 A CNA2008100017647 A CN A2008100017647A CN 200810001764 A CN200810001764 A CN 200810001764A CN 101276560 A CN101276560 A CN 101276560A
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China
Prior art keywords
connector
signal
lcd
time schedule
schedule controller
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Pending
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CNA2008100017647A
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Chinese (zh)
Inventor
朴真圭
朴东园
李相根
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Publication of CN101276560A publication Critical patent/CN101276560A/en
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Abstract

A liquid crystal display (''LCD'') includes a circuit board including a first connector which receives a data signal and a second connector which is separated from the first connector and receives a power supply voltage, a timing controller mounted on the circuit board, the timing controller receiving the power supply voltage from the second connector and the data signal from the first connector, and processing the data signal received from the first connector, and a liquid crystal panel displaying an image using the data signal processed by the timing controller.

Description

Circuit board and comprise the LCD of this circuit board
Technical field
The present invention relates to a kind of circuit board and a kind of LCD (LCD) that comprises this circuit board, more particularly, relate to a kind of circuit board and a kind of LCD that comprises this circuit board that reduces manufacturing cost.
Background technology
LCD (LCD) comprising: first display board has a plurality of pixel electrodes; Second display board has common electrode; Liquid crystal panel, the liquid crystal layer with dielectric anisotropy of between first display board and second display board, injecting.LCD shows desired images by the amount that forms electric field between pixel electrode and common electrode, regulate the intensity of this electric field, control sees through the light of liquid crystal panel thus.Because LCD is not a self-emitting display, so LCD comprises back light unit on the rear surface of liquid crystal panel, thereby back light unit can be used as light source.
In order to drive LCD, liquid crystal panel, drive integrated circult (IC), back light unit, inverter (inverter), power module and external transmission cable (transmission cable) are electrically connected to each other, wherein, the needed signal of drive integrated circult transmitting and displaying image, power module provides and drives the needed supply voltage of LCD, external transmission cable images signal.
Utilize many wirings, a plurality of connector and printed circuit board (PCB) (PCB) that above-mentioned module is electrically connected to each other.Yet the use of wiring, connector or PCB has improved the manufacturing cost of LCD.
Summary of the invention
The invention provides a kind of circuit board that reduces manufacturing cost.
The present invention also provides a kind of LCD (LCD) that reduces manufacturing cost.
According to exemplary embodiment of the present invention, a kind of circuit board comprises: first connector, communicated data signal; Second connector separates with first connector and transmits supply voltage; Time schedule controller is connected to first connector and second connector, and time schedule controller receives from the supply voltage of second connector with from the data-signal of first connector, and the data-signal that receives from first connector is handled.
According to other exemplary embodiment of the present invention, a kind of LCD comprises: circuit board, comprise first connector and second connector, and first connector receives data-signal, and second connector separates with first connector and receives supply voltage; Time schedule controller is installed on the circuit board, and time schedule controller receives from the supply voltage of second connector with from the data-signal of first connector, and the data-signal that receives from first connector is handled; Liquid crystal panel utilizes by time schedule controller data processed signal display image.
According to other exemplary embodiment of the present invention, a kind of LCD comprises: power module receives external voltage and produces supply voltage; Transmission cable, the main chain that comprises transmission of data signals connects the accessory channel with air monitor control command collection (MCCS); Circuit board comprises first connector and second connector that separates with first connector; Time schedule controller is installed on the circuit board, receives supply voltage by second connector, and data-signal and the MCCS that receives by first connector handled; Liquid crystal panel utilizes by time schedule controller data processed signal display image, and wherein, first connector is connected to transmission cable, and second connector is connected to power module.
Description of drawings
Describe exemplary embodiment of the present invention in detail by the reference accompanying drawing, above-mentioned and further feature of the present invention and advantage will become clearer, in the accompanying drawings:
Fig. 1 shows example circuit board and the block diagram that comprises the illustrative liquid crystal display (LCD) of this example circuit board according to an exemplary embodiment of the present invention;
Fig. 2 is the front elevation of the exemplary L CD shown in Fig. 1;
Fig. 3 A and Fig. 3 B show exemplary first connector shown in Fig. 1 and the skeleton view and the cut-open view of exemplary transmission cable respectively;
Fig. 4 shows the form of the exemplary pin configuration of exemplary first connector shown in Fig. 1;
Fig. 5 shows the form of the exemplary pin configuration of exemplary second connector shown in Fig. 1;
Fig. 6 shows the example circuit board of another exemplary embodiment according to the present invention and comprises the block diagram of the exemplary L CD of this example circuit board.
Embodiment
Now with reference to accompanying drawing the present invention is described more fully, exemplary embodiment of the present invention shown in the drawings.Yet the present invention can implement with many different forms, and should not be construed as limited to the embodiment that sets forth here; On the contrary, provide these embodiment to make that the disclosure will be completely and completely, and will convey to those skilled in the art to design of the present invention fully.Label identical in the accompanying drawing is represented components identical, thereby will omit description of them.
Should be appreciated that, when element be known as " " another element " on " time, can perhaps can there be intermediary element in this element between these two elements directly on another element.On the contrary, when element be known as " directly existing " another element " on " time, do not have intermediary element.As used herein, term " and/or " comprise relevant one or more combination in any of being listd and all make up.Should be appreciated that when element is known as when ' attach ' to another element, this element is electrically connected to another element.
Should be appreciated that, describe different elements, assembly, zone, layer and/or part although use the term first, second, third, etc. here, these elements, assembly, zone, layer and/or part should not limited by these terms.These terms only are used for an element, assembly, zone, layer or part and another element, assembly, zone, layer or part difference are come.Therefore, under the situation that does not break away from the present invention's instruction, first element of discussing below, assembly, zone, layer or part can be called as second element, assembly, zone, layer or part.
Terminology used here only is for the purpose of describing specific embodiment, and is not intended to limit the present invention.As used herein, unless context indicates in addition clearly, otherwise singulative also is intended to comprise plural form.Should also be appreciated that, term " comprises " and/or " comprising " exists described feature, zone, integral body, step, operation, element and/or assembly with time explanation in this manual, does not exist or adds one or more further features, zone, integral body, step, operation, element, assembly and/or their group but do not get rid of.
In order to be easy to describe the element shown in accompanying drawing or the relation of feature and other element or feature, here can use such as " ... under ", space relative terms such as " in ... below ", " following ", " in ... top ", " top ".Should be appreciated that the space relative terms is intended to comprise the different azimuth of device in using or operating the orientation of describing in accompanying drawing.For example, if with the device in accompanying drawing upset, then be described as be in other element or feature " below " or " under " element will be positioned at other element or feature " top " subsequently.Therefore, exemplary term " in ... below " can comprise " in ... top " and " in ... below " two kinds of orientation.This device can and correspondingly be explained space used herein relative descriptors by other location (revolve turn 90 degrees or in other orientation).
Unless otherwise defined, otherwise all used here terms (comprising technical term and scientific terminology) have the meaning equivalent in meaning with those skilled in the art institute common sense.Should also be appreciated that, unless clearly definition here, otherwise term (for example term that defines in general dictionary) should be interpreted as having in the environment with the disclosure and association area their the corresponding to meaning of the meaning, and will be not explain their meaning with desirable or too formal implication.
Hereinafter, with reference to Fig. 1 to Fig. 5 example circuit board and the illustrative liquid crystal display (LCD) that comprises this example circuit board are according to an exemplary embodiment of the present invention described.Fig. 1 shows circuit board 200 and the block diagram that comprises the LCD 10 of this circuit board 200 according to an exemplary embodiment of the present invention.Fig. 2 is the front elevation of the LCD 10 shown in Fig. 1.Fig. 3 A and Fig. 3 B show first connector 400 shown in Fig. 1 and the skeleton view and the cut-open view of transmission cable 450 respectively.Fig. 4 shows the form of the pin configuration of first connector 400 shown in Fig. 1.Fig. 5 shows the form of the pin configuration of second connector 500 shown in Fig. 1.
With reference to Fig. 1, LCD 10 receives from the data-signal and/or the control signal of the output of external host device (not shown) by first connector 400.The module that comprises among the LCD 10 for example time schedule controller 300, inverter 510, power module 520, manipulation module (handling module) 530 and mode indicator 540 is electrically connected to each other by second connector 500.That is, the module that comprises among the LCD 10 is connected to second connector 500, by second connector 500 module that comprises among the LCD 10 is engaged with each other (interface) thus, and LCD 10 engages with the external device (ED) (not shown) by first connector 400.As mentioned above, because the syndeton of module is simplified, so can reduce the manufacturing cost of LCD 10.
More particularly, see figures.1.and.2, LCD 10 can comprise liquid crystal panel 100, circuit board 200, gate drivers (not shown), data driver DIC, inverter 510, power module 520, manipulation module 530, mode indicator 540 and back light unit 600.
Liquid crystal panel 100 comprises many gate line (not shown), many data line (not shown) and a plurality of pixel (not shown) that form at the infall of gate line and data line, and liquid crystal panel 100 utilizes gate line, data line and pixel display image.
For display image, gate drivers and data driver DIC are connected respectively to liquid crystal panel 100, and signal and picture signal are provided respectively.In Fig. 1, data driver DIC is connected to liquid crystal panel 100 with the form of integrated circuit (IC), and gate drivers is installed on the liquid crystal panel 100.Yet the form of data driver DIC and gate drivers is not limited thereto, and selectively, data driver DIC and gate drivers can be installed on the liquid crystal panel 100 or be connected to liquid crystal panel 100.
The circuit (not shown) that time schedule controller 300 and producing is used to drive the various signals of LCD 10 is installed in circuit board 200.Circuit board 200 comprises many wirings that time schedule controller 300, data driver DIC and circuit (not shown) are electrically connected to each other.In addition, circuit board 200 comprises first connector 400 and second connector 500.
First connector 400 is connected to transmission cable 450, and transmission cable 450 transmission is from external host device the (not shown) for example data-signal and/or the control signal of computing machine output.Data-signal can be viewdata signal VIDEO, voiceband data signal AUDIO or their combination.Control signal can be image control signal CON_V or audio control signal CON_A.Image control signal CON_V can the control chart picture brightness, audio control signal CON_A can control volume.Selectively, control signal can be by VESA (VESA) standardized monitor control command collection (MCCS).That is, data-signal and control signal can be the signals that is used for DisplayPort (by the digital display interface standard of VESA proposition), will omit the detailed description to these signals here.With reference to Fig. 3 A, Fig. 3 B and Fig. 4 first connector 400 and transmission cable 450 are described in more detail below.
300 pairs of data-signal (that is, viewdata signal VIDEO and/or voiceband data signal AUDIO) and/or control signals (that is, image control signal CON_V or audio control signal CON_A) that receive by first connector 400 of time schedule controller are handled.When time schedule controller 300 during to the data-signal of data driver DIC and gate drivers transmission process, the display image on liquid crystal panel 100 by data driver DIC and gate drivers.
Second connector 500 is connected to the module of LCD 10, thereby these modules can be engaged with each other by second connector 500.
Specifically, power module 520 is connected to second connector 500.Power module 520 receives external voltage (for example, exchanging (AC) voltage), and produces the power source voltage Vcc (for example, the direct current of 5V (DC) voltage) of each module that is used for LCD 10.Power module 520 applies power source voltage Vcc by second connector 500 to the time schedule controller 300, data driver DIC and other circuit that are installed on the circuit board 200.That is, not by first connector 400 but by second connector 500, power source voltage Vcc can be input to circuit board 200.The power source voltage Vcc that is produced by power module 520 can not be applied directly to time schedule controller 300, data driver DIC and other circuit.Selectively, can convert power source voltage Vcc to another voltage, and then be applied to time schedule controller 300, data driver DIC and other circuit by the electric pressure converter (not shown).
Power module 520 can engage with time schedule controller 300 by second connector 500.For example, time schedule controller 300 can be by second connector 500 to power module 520 transmission power saving mode signal PSM.When LCD 10 cisco unity malfunctions, perhaps when the image that shows on the liquid crystal panel 100 when surpassing the time-preserving of predetermined amount of time, in order to reduce power consumption, can use power saving mode signal PSM to stop power source voltage Vcc is provided to back light unit 600.That is, in normal work period, power module 520 can produce the power source voltage Vcc that drives back light unit 600.Yet when power module 520 received power saving mode signal PSM by second connector 500, power module 520 can stop to apply power source voltage Vcc to back light unit 600.
Inverter 510 can be connected to second connector 500, and engages with time schedule controller 300 by second connector 500.For example, time schedule controller 300 can be used to control the opening/closing of back light unit 600 and the open/closed signal ON/OFF backlight and dim signal (dimming signal) DIM of brightness to inverter 510 transmission by second connector 500.Dim signal DIM can be pulse-length modulation (PWM) signal.If dim signal DIM is a digital signal, then inverter 510 can comprise the circuit that digital dimming signal DIM is converted to pwm signal.That is, inverter 510 can receive open/closed signal ON/OFF backlight and dim signal DIM by second connector 500, and the opening/closing and the brightness of control back light unit 600.
Manipulation module 530 can be connected to second connector 500, and engages with time schedule controller 300 by second connector 500.As shown in Figure 2, can be on the front surface of LCD 10 (for example, button) form realizes manipulation module 530, and manipulation module 530 can produce user command signal UCS according to user's manipulation with the control mechanical hook-up of user-operable.Manipulation module 530 is passed through second connector 500 to time schedule controller 300 transmission user command signal UCS.User command signal UCS can be the opening/closing of order back light unit 600 signal, control back light unit 600 brightness signal or be adjusted on the liquid crystal panel 100 size of the image that shows and the signal of contrast.Time schedule controller 300 will convert open/closed signal ON/OFF backlight or dim signal DIM to by the user command signal UCS of second connector, 500 transmission, and by second connector 500 open/closed signal ON/OFF backlight or dim signal DIM will be transferred to inverter 510.User command signal UCS is not limited to above-mentioned example, but can be used for various purposes.Can be applied to manipulation module 530 by the supply voltage Vdd that second connector 500 will drive manipulation module 530.That is, voltage translator circuit can be installed on the circuit board 200.Voltage translator circuit can receive power source voltage Vcc from power module 520 by second connector 500, the level of conversion electric power voltage vcc, and will offer manipulation module 530 by the resultant supply voltage Vdd of the level of conversion electric power voltage vcc by second connector 500.
Mode indicator 540 can be connected to second connector 500, and engages with time schedule controller 300 by second connector 500.For example, mode indicator 540 can be the pattern display module, can receive power saving mode signal PSM and indicate LCD 10 to be in energy-saving mode from time schedule controller 300 by second connector 500.Specifically, mode indicator 540 can comprise light emitting diode (LED), and utilizes the color of LED to represent normal mode or energy-saving mode.Can the supply voltage Vdd of drive pattern indicator 540 be applied to mode indicator 540 by second connector 500.
In a word, the module such as inverter 510, power module 520, manipulation module 530 and mode indicator 540 all is connected to second connector 500.Therefore, each module can engage with the time schedule controller 300 that is connected to second connector 500 equally.The structure of second connector 500 is described with reference to Fig. 5 below.
Now with reference to Fig. 3 A, Fig. 3 B and Fig. 4 first connector 400 and the transmission cable 450 shown in Fig. 1 described in more detail.Hereinafter, will be that one 30 pin connector and transmission cable 450 are that the situation that is used for the cable of DisplayPort is described as example with first connector 400.Yet, the invention is not restricted to this example, the alternate embodiments of first connector 400 and transmission cable 450 also will be in the scope of these embodiment.
With reference to Fig. 3 A and Fig. 3 B, transmission cable 450 is connected to first connector 400.Transmission cable 450 can comprise that four paired main chains meet (main link) ML_Lane0, ML_Lane1, ML_Lane2 and ML_Lane3, a paired accessory channel (auxiliary channel) AUX, hot plug detection line (hotplug detect line) HPDL and auxiliary power supply line AUX_PWR.As mentioned above, can connect ML_Lane0, ML_Lane1, ML_Lane2 and ML_Lane3 transmission of data signals by main chain, can be by accessory channel AUX transmission MCCS.As Fig. 3 A and shown in Figure 4, transmission cable 450 is connected to each among the first pin P1 to the, the 30 pin P30 of first connector 400.
With reference to Fig. 4, the second pin P2 to the, nine pin P9 do not have the pin of connection NC.The tenth pin P10 is that hot plug detects pin HPD, and is connected to the hot plug detection line HPDL of transmission cable 450.The 13 pin P13, the 16 pin P16, the 19 pin P19, the 22 pin P22, the 25 pin P25 and the 28 pin P28 are grounding pin H_GND, are used for the ground voltage that main chain meets ML_Lane0, ML_Lane1, ML_Lane2 and ML_Lane3 and are applied to the 13 pin P13, the 16 pin P16, the 19 pin P19, the 22 pin P22, the 25 pin P25 and the 28 pin P28.The 29 pin P29 is accessory power supply pin AUX_PWR, and is connected to the auxiliary power supply line AUX_PWR of transmission cable 450.The first pin P1, the 11 pin P11, the 12 pin P12 and the 30 pin P30 are the standby pin Reserved that can be used subsequently by VESA.The 14 pin P14, the 15 pin P15, the 17 pin P17, the 18 pin P18, the 20 pin P20, the 21 pin P21, the 23 pin P23 and the 24 pin P24 are that main chain is taken over wire pin (lane pin) ML_Lane3 (n), ML_Lane3 (p), ML_Lane2 (n), ML_Lane2 (p), ML_Lane1 (n), ML_Lane1 (p), ML_Lane0 (n), ML_Lane0 (p), and form right.Four paired main chains that paired the 14 pin P14, the 15 pin P15, the 17 pin P17, the 18 pin P18, the 20 pin P20, the 21 pin P21, the 23 pin P23 and the 24 pin P24 is connected respectively to transmission cable 450 meet ML_Lane3, ML_Lane2, ML_Lane1 and ML_Lane0.The 26 pin P26 and the 27 pin P27 are accessory channel pin AUX_CH (p) and AUX_CH (n), and are connected to the paired accessory channel AUX of transmission cable 450.That is, first connector 400 transmits data-signal and/or the control signal that is provided by the external host device (not shown) to the interior section (for example, time schedule controller 300) of LCD 10.In this exemplary embodiment, can not pass through first connector, 400 input supply voltage Vcc.
Describe second connector 500 shown in Fig. 1 in detail now with reference to Fig. 5.Hereinafter, will be that the situation of one 20 pin connector is described as example with second connector 500.Yet, the invention is not restricted to this example, the alternate embodiments of second connector 500 also will be in the scope of these embodiment.
With reference to Fig. 5, the first pin P1 to the, three pin P3 are grounding pin GND, and ground voltage is applied to the first pin P1 to the, three pin P3.The 4th pin P4 to the six pin P6 are power pins VCC, and are connected to power module 520.Power source voltage Vcc is applied to the 4th pin P4 to the six pin P6 of second connector 500 from power module 520.The 7th pin P7 to the nine pin P9 are the standby pin Reserved that can be used subsequently by VESA.The tenth pin P10 is not have to be connected pin NC with the 11 pin P11.The 12 pin P12 is low-power mode pin LPM.Be transferred to the 12 pin P12 from the power saving mode signal PSM of time schedule controller 300 outputs, the 12 pin P12 is connected to power module 520.The 13 pin P13 is front panel button pin FPB.The 13 pin P13 is connected to manipulation module 530, and the user command signal UCS that exports from manipulation module 530 is transferred to the 13 pin P13.The 14 pin P14 and the 15 pin P15 are LED pin LED1 and LED2.The 14 pin P14 and the 15 pin P15 are connected to mode indicator 540, are transferred to the 14 pin P14 and the 15 pin P15 of second connector 500 from the power saving mode signal PSM of time schedule controller 300 outputs.The 16 pin P16 is front panel grounding pin FP_GND, and the ground voltage that drives manipulation module 530 and mode indicator 540 is applied to the 16 pin P16.The 17 pin P17 is front panel power pin FP_PWR, and is connected to manipulation module 530 and mode indicator 540.The supply voltage Vdd that drives manipulation module 530 and mode indicator 540 is applied to the 17 pin P17.The 18 pin P18 is light modulation pin BL_PWM, and is connected to inverter 510.Dim signal DIM (for example, pwm signal) is transferred to the 18 pin P18.The 19 pin P19 is grounding pin BL_GND backlight, and is connected to inverter 510.The ground voltage that drives inverter 510 is applied to the 19 pin P19.The 20 pin P20 is opening/closing pin BL_On_Off backlight, and is connected to inverter 510.Open/closed signal ON/OFF backlight is transferred to the 20 pin 20.Therefore, second connector 500 can be to be installed in the module on the circuit board 200 and not to be installed in the connector that the interface between the module on the circuit board 200 uses, and as the interface between the module that in LCD 10, comprises.
LCD 10 can engage with the external host device (not shown) by first connector 400, and the module that comprises in LCD10 can be engaged with each other by second connector 500.This syndeton of module can reduce the manufacturing cost of LCD 10.
The example circuit board and the exemplary L CD that comprises this example circuit board of another exemplary embodiment according to the present invention are described now with reference to Fig. 6.Fig. 6 shows the circuit board 201 of another exemplary embodiment according to the present invention and comprises the block diagram of the LCD 11 of this circuit board 201.With identical label presentation function and the identical or essentially identical element of the function of the element shown in Fig. 1, thereby omission is repeated in this description.
With reference to Fig. 6, different with the exemplary embodiment of front, LCD 11 also comprises data output end 550 and USB (universal serial bus) (USB) output terminal 560.That is, except previously described other module, second connector 501 of circuit board 201 is also connected to data output end 550 and USB output terminal 560.
Specifically, data output end 550 is connected to second connector 501.Data output end 550 receives by time schedule controller 300 data processed signals by second connector 510, and this data-signal is outputed to outside destination.For example, the data-signal that is provided by transmission cable 450 comprises viewdata signal VIDEO and voiceband data signal AUDIO.Time schedule controller 300 can be handled voiceband data signal AUDIO and/or viewdata signal VIDEO, and is transferred to data output end 550 by voiceband data signal AUDIO and/or the processed images data-signal VIDEO that second connector 501 will be handled.Data output end 550 can be connected to audio devices (for example loudspeaker, earphone or headphone) or be connected to video-unit.
USB output terminal 560 is connected to second connector 501.USB output terminal 560 receives the usb signal USB that handled by time schedule controller 300 by second connector 501, and usb signal USB is outputed to outside destination.For example, usb signal USB can be transferred to time schedule controller 300 from external source.Then, time schedule controller 300 can be handled usb signal USB, and the usb signal USB that will handle by second connector 501 offers USB output terminal 560.USB output terminal 560 can be connected to USB storage.
Therefore, the module that comprises among the LCD 11 can be engaged with each other by second connector 501.In addition, LCD 11 can engage with external device (ED) (for example loudspeaker and USB storage) by second connector.
As mentioned above, according to according to circuit board of the present invention with comprise the LCD of this circuit board, because the syndeton of the module that comprises among the LCD is simplified, so can reduce the manufacturing cost of LCD.The also feasible method that reduces the manufacturing cost of LCD becomes possibility.
Though specifically illustrate and described the present invention with reference to exemplary embodiment of the present invention, but will be understood by those skilled in the art that, under the situation that does not break away from the spirit and scope of the present invention that are defined by the claims, can carry out the various changes of form and details aspect here.Should only on descriptive meaning rather than for the purpose of restriction, consider exemplary embodiment.

Claims (25)

1, a kind of LCD comprises:
Circuit board comprises first connector and second connector, and first connector receives data-signal, and second connector separates with first connector and receives supply voltage;
Time schedule controller is installed on the circuit board, and time schedule controller receives from the supply voltage of second connector with from the data-signal of first connector, and the data-signal that receives from first connector is handled;
Liquid crystal panel utilizes by time schedule controller data processed signal display image.
2, LCD as claimed in claim 1, wherein, supply voltage is not to be input to circuit board by first connector.
3, LCD as claimed in claim 2 also comprises the power module that is connected to second connector, and power module receives external voltage, produces supply voltage, and by second connector supply voltage is applied to circuit board.
4, LCD as claimed in claim 3, also comprise the back light unit that light is provided to liquid crystal panel, wherein, when power module received power saving mode signal from time schedule controller output by second connector, power module did not apply supply voltage to back light unit.
5, LCD as claimed in claim 1 also comprises:
Back light unit provides light to liquid crystal panel;
Inverter is connected to second connector, and inverter receives from the open/closed signal backlight and the dim signal of time schedule controller output by second connector, the opening/closing and the brightness of inverter control back light unit.
6, LCD as claimed in claim 1 also comprises the manipulation module that is connected to second connector, and manipulation module produces user command signal according to user's processing, and by second connector user command signal is transferred to time schedule controller.
7, LCD as claimed in claim 1 also comprises the mode indicator that is connected to second connector, and mode indicator receives from the power saving mode signal of time schedule controller output by second connector, and the indicator solution crystal display is in energy-saving mode.
8, LCD as claimed in claim 1 also comprises the data output end that is connected to second connector, and data output end receives by time schedule controller data processed signal by second connector, and data-signal is outputed to outside destination.
9, LCD as claimed in claim 8, also comprise transmission cable, transmission cable is connected to first connector, and the main chain that comprises transmission of data signals connects the accessory channel with transmission of control signals, wherein, data-signal comprises viewdata signal and voiceband data signal, and control signal comprises monitor control command collection.
10, LCD as claimed in claim 1, also comprise the USB (universal serial bus) output terminal that is connected to second connector, the USB (universal serial bus) output terminal receives universal serial bus signal by second connector from time schedule controller, and universal serial bus signal is outputed to outside destination.
11, LCD as claimed in claim 1, wherein, first connector and second connector all are many pins connectors.
12, LCD as claimed in claim 1, wherein, second connector is connected to a plurality of modules, and a plurality of modules engage with time schedule controller by second connector.
13, a kind of LCD comprises:
Power module receives external voltage and produces supply voltage;
Transmission cable, the main chain that comprises transmission of data signals connects the accessory channel with air monitor control command collection;
Circuit board comprises first connector and second connector that separates with first connector;
Time schedule controller is installed on the circuit board, receives supply voltage by second connector, and the data-signal and the monitor control command collection that receive by first connector are handled;
Liquid crystal panel utilizes by time schedule controller data processed signal display image,
Wherein, first connector is connected to transmission cable, and second connector is connected to power module.
14, LCD as claimed in claim 13, wherein, supply voltage is not to be input to circuit board by first connector.
15, LCD as claimed in claim 13 also comprises:
Back light unit provides light to liquid crystal panel;
Inverter is connected to second connector, and inverter receives from the open/closed signal backlight and the dim signal of time schedule controller output by second connector, and the opening/closing and the brightness of control back light unit.
16, LCD as claimed in claim 13 also comprises the manipulation module that is connected to second connector, and manipulation module produces user command signal according to user's processing, and by second connector user command signal is transferred to time schedule controller.
17, LCD as claimed in claim 13 also comprises the mode indicator that is connected to second connector, and mode indicator receives from the power saving mode signal of time schedule controller output by second connector, and the indicator solution crystal display is in energy-saving mode.
18, LCD as claimed in claim 13 also comprises the data output end that is connected to second connector, and data output end receives by time schedule controller data processed signal by second connector, and data-signal is outputed to outside destination.
19, LCD as claimed in claim 13, also comprise the USB (universal serial bus) output terminal that is connected to second connector, the USB (universal serial bus) output terminal receives universal serial bus signal by second connector from time schedule controller, and universal serial bus signal is outputed to outside destination.
20, LCD as claimed in claim 13, also comprise the back light unit that light is provided to liquid crystal panel, wherein, when power module received power saving mode signal from time schedule controller output by second connector, power module did not apply supply voltage to back light unit.
21, LCD as claimed in claim 13, wherein, second connector is connected to a plurality of modules, and a plurality of modules engage with time schedule controller by second connector.
22, a kind of circuit board comprises:
First connector, communicated data signal;
Second connector separates with first connector, and transmits supply voltage;
Time schedule controller is connected to first connector and second connector, and time schedule controller receives from the supply voltage of second connector with from the data-signal of first connector, and the data-signal that receives from first connector is handled.
23, circuit board as claimed in claim 22, wherein, first connector does not transmit supply voltage.
24, circuit board as claimed in claim 22, wherein, first connector is connected to transmission cable, transmission cable comprises that the main chain of transmission of data signals connects and to the accessory channel of time schedule controller transmission of control signals, data-signal comprises viewdata signal and voiceband data signal, and control signal comprises monitor control command collection.
25, circuit board as claimed in claim 22, wherein, second connector be connected to the opening/closing of power module that supply voltage is provided, control back light unit and brightness inverter, produce the manipulation module of user command signal and the mode indicator whether the indicator solution crystal display is in energy-saving mode according to user's processing.
CNA2008100017647A 2007-03-30 2008-01-08 Circuit board and liquid crystal display including the same Pending CN101276560A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US90901407P 2007-03-30 2007-03-30
US60/909,014 2007-03-30
KR10-2007-0031671 2007-03-30

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CN101276560A true CN101276560A (en) 2008-10-01

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CNA2008100017647A Pending CN101276560A (en) 2007-03-30 2008-01-08 Circuit board and liquid crystal display including the same

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107144989A (en) * 2017-06-06 2017-09-08 昆山龙腾光电有限公司 A kind of width view angle switch module and liquid crystal display device
CN113763884A (en) * 2021-09-18 2021-12-07 京东方科技集团股份有限公司 Data connector, data providing module, method and display device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107144989A (en) * 2017-06-06 2017-09-08 昆山龙腾光电有限公司 A kind of width view angle switch module and liquid crystal display device
CN107144989B (en) * 2017-06-06 2020-06-05 昆山龙腾光电股份有限公司 Wide-narrow visual angle switching module and liquid crystal display device
CN113763884A (en) * 2021-09-18 2021-12-07 京东方科技集团股份有限公司 Data connector, data providing module, method and display device

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