CN101191911A - Functional module integration -type flat panel display device - Google Patents
Functional module integration -type flat panel display device Download PDFInfo
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- CN101191911A CN101191911A CNA2006101457700A CN200610145770A CN101191911A CN 101191911 A CN101191911 A CN 101191911A CN A2006101457700 A CNA2006101457700 A CN A2006101457700A CN 200610145770 A CN200610145770 A CN 200610145770A CN 101191911 A CN101191911 A CN 101191911A
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Abstract
The present invention provides a functional module integrating type flat panel display device, comprising a shell, a box body, control modules, a display screen and a backlight module, wherein, the control modules are centralized to be placed inside the box body; the box body is detachably arranged on the shell; the control modules are respectively connected with the display screen and the backlight module to control the display screen and the backlight module to work. The functional module integrating type flat panel display device provided by the present invention has a plurality of functional modules centralized for placement, unifies connecting lines between a plurality of functional modules and a plurality of components, decreases the matching demand between an internal structure and an external shape, is convenient for flexible design and production, easy to maintain and transport and difficult to damage.
Description
Technical field
The present invention relates to field of display, particularly a kind of panel display apparatus.
Background technology
Continuous expansion along with home entertaining, commercial demand, the panel display apparatus that with the LCD is representative progressively replaces traditional C RT display with its little, advantages such as flat square shows, in light weight, low radiation of taking up room, and is especially occupying position of mainstream aspect giant-screen, the wide screen.Along with the updating and break through of size and function, the inner structure of panel display apparatus also becomes increasingly complex.Existing panel display apparatus basic structure comprises shell, display screen, functional unit, loudspeaker and backlight module, wherein display screen and loudspeaker are installed in the outside of described shell, and backlight module and multiple functional unit (for example power supply unit, display screen driver element, signal processing unit, signal receiving unit etc.) are directly installed on described enclosure dispersedly, are electrically connected by interface or circuit board respectively between functional unit and backlight module, display screen, the loudspeaker.
Wherein backlight module is made up of substrate backlight and the parallel cold-cathode fluorescence lamp array of arranging of Duo Gen, and substrate backlight comprises components and parts such as electromagnetic compatibility module, rectification module, power factor correction module, DC/DC modular converter and CCFL inverter again.The CCFL inverter has a plurality of output terminals, and its circuit of output terminal often needs to place a side of substrate backlight, connect being convenient near the end of fluorescent light, in each output terminal and the fluorescent lamp array accordingly fluorescent light be connected by lead respectively.
Adopt the panel display apparatus of said structure, its functional unit and component structure disperse, the line complexity, in close relations with panel display apparatus outward appearance, size and shell shape, functional unit and components and parts need be designed to a plurality of specifications to adapt to the shell of different size shape, cause the design production cost too high; In assembling or maintenance process, be subjected to the restriction of shell easily in the enclosure because functional unit and components and parts are directly fixing simultaneously, reduce the efficient of installation, maintenance, dismounting, carrying, also might damage panel display apparatus; Complicated wiring also may influence the stability and the serviceable life of panel display apparatus.
Summary of the invention
The object of the invention is to provide a kind of functional module integration-type flat panel display device, comprises shell, box body, control module, display screen, backlight module and power supply unit, and control module is concentrated and is placed in the box body, and box body is removably mounted on the shell; Control module is connected with backlight module with display screen respectively, control display screen and backlight module work.Power supply unit is respectively control module, display screen and backlight module power supply.
Above-mentioned backlight module comprises backlight control unit and backlight, and backlight comprises one group of backlight and one group of pole plate, and backlight control unit is connected with control module, accepts the control of control module; Each backlight of backlight is connected and accepts the control of backlight control unit with backlight control unit by pole plate.Backlight control unit comprises electromagnetic compatibility module, rectification module, power factor correction module, electromagnetic compatibility module, rectification module and power factor correction module link to each other successively, the input of electromagnetic compatibility module connects AC power, after the rectification module rectification, by power factor correction module output high voltage direct current, backlight control unit also is provided with the inversion boosting module, and the inversion boosting module is connected between power factor correction module and the backlight array; The inversion boosting module is a High Level AC Voltage with the high voltage direct current inversion of power factor correction module output, and it is outputed to backlight array.Behind the two ends serial connection electric capacity of each backlight of functional module integration-type flat panel display device backlight array and the two ends of receiving described pole plate, the pole plate two ends are connected with the inversion boosting module respectively; The High Level AC Voltage that the inversion boosting module produces is input to each backlight by described pole plate.Backlight control unit can be placed in the described box body or install in the enclosure.
The control module of functional module integration-type flat panel display device of the present invention comprises control module, number-Mo converting unit, audio/video decoding unit, audio/video amplifying unit, signal interface unit.Control module respectively with number-Mo converting unit, audio/video decoding unit, audio/video amplifying unit, signal interface unit is connected and respectively it is controlled.Functional module integration-type flat panel display device of the present invention also comprises the display interface unit, connect described control module, backlight module and display screen respectively, control according to control module, vision signal is sent to display screen, backlight control signal is sent to backlight module, receive feedback signal from backlight module and display screen.The display interface unit also comprises power interface, and power interface connects backlight module, display screen and power supply unit respectively, for backlight module and display screen provide power supply.The display interface unit can be placed in the described box body or link control module, backlight module and display screen are installed in the enclosure.
Functional module integration-type flat panel display device of the present invention can also comprise at least one audio output unit and audio interface unit, at least one audio output unit is connected with control module by audio interface unit, accept the control of control module, output audio signal.
Functional module integration-type flat panel display device provided by the invention has solved functional unit and component structure dispersion line complexity that prior art produces well, design, production cost is too high, installation and maintenance inconvenience damages easily, influences drawbacks such as serviceable life, multiple functional module concentrated lay, line between unified a plurality of functional modules and a plurality of components and parts has reduced the demand that cooperates between inner structure and the outer shape, is convenient to flexible design production, be convenient to the maintenance carrying, not fragile.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of a preferred embodiment of the invention;
Fig. 2 is the control module electrical block diagram of a preferred embodiment of the invention;
Fig. 3 is the box body external structure synoptic diagram of a preferred embodiment of the invention;
Fig. 4 is the box body inner structure synoptic diagram of a preferred embodiment of the invention;
Fig. 5 is the backlight module electrical block diagram of a preferred embodiment of the invention;
Fig. 6 is the backlight structural representation of a preferred embodiment of the invention;
Fig. 7 is the thin portion of the backlight of an a preferred embodiment of the invention structural representation;
Fig. 8 is the one-piece construction synoptic diagram of another preferred embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
With reference to Fig. 1, the one-piece construction synoptic diagram of a preferred embodiment of the invention is shown.Present embodiment proposes a kind of functional module integration-type flat panel display device 10, comprise shell 11, box body 12, control module 13, display screen 14, backlight module 15 and power supply unit 17, control module 13 and power supply unit 17 are concentrated and are placed in the box body 12, box body 12 is installed on the shell 11, control module 13 is connected with backlight module 15 with display screen 14 respectively, control display screen 14 and backlight module 15 work.Display screen 14 is installed on the shell 11, and backlight module 15 is installed in shell 11 inside.Power supply unit is respectively control module 13, display screen 14 and backlight module 15 power supplies.
As shown in Figure 2, control module 13 comprises control module 131, number-Mo converting unit 132, audio/video decoding unit 133, audio/video amplifying unit 134 and signal interface unit 135.Described control module 131 is connected with described number-Mo converting unit 132, audio/video decoding unit 133, audio/video amplifying unit 134, signal interface unit 135 respectively and respectively it is controlled; Signal interface unit 135 is used for audio/video signal, control signal or data are sent to display screen 14 and backlight module 15 by display interface unit 16, to realize the control of 13 pairs of display screens 14 of control module and backlight module 15.Signal interface unit 135 can comprise multiple outer signal terminal, selects S-video, AV, D-SUB and CATV (cable television) interface Cable in the present embodiment for use, can also select tuner for use, is used to receive TV RF signals.
In conjunction with Fig. 3 and shown in Figure 4, box body 12 inside are separated into a plurality of shadow zones by barricade 123, are used to settle a plurality of component units such as control module 131, number-Mo converting unit 132, audio/video decoding unit 133, audio/video amplifying unit 134 and signal interface unit 135 of control module 13.Each component units is individually fixed in the corresponding shadow zone of box body 12 by screw or buckle.Because signal interface unit 135 comprises the outer signal terminal 126 that is used to receive audio frequency, vision signal or data, so opening is offered in box body 12 relevant positions, outer signal terminal 126 can be exposed outside box body 12.Signaling interface 122 is offered so that signal interface unit 135 is connected with display interface unit 16 in box body 12 relevant positions.
125 zones of box body 12 are used for the part or all of component units of device control module 13, and 124 zones are used for device power supply unit 17.Power supply unit 17 comprises the external power supply terminal that is used for obtaining from the outside power supply, so opening is offered in box body 12 relevant positions, the external power supply terminal can be exposed outside box body 12.Box body 12 is also offered power interface 121 so that power supply unit 17 is powered to display interface unit, display screen 14 and backlight module 15.
Present embodiment also comprises display interface unit 16, be placed in the shell 11, difference link control module 13, backlight module 15 and display screen 14, control according to control module 13, vision signal is sent to display screen 14, backlight control signal is sent to backlight module 15, receive feedback signal from backlight module 15 and display screen 14.
The display screen 14 of present embodiment is installed in the outside of shell 11, is connected with the signal interface unit 135 of control module 13 by display interface unit 16, accepts the control of control module 131 by signal interface unit 135, receives and broadcast video signal.Backlight module 15 is installed in enclosure, is connected with control module 13 by display interface unit 16, accepts the backlight control signal that control module 13 is sent, the work of control backlight.
As shown in Figure 5, the backlight control unit 151 of present embodiment comprises electromagnetic compatibility module 511, rectification module 512, power factor correction module 513 and inversion boosting module 514, above-mentioned each module links to each other successively, 511 inputs of electromagnetic compatibility module connect the interchange AC power supplies, after rectification module 512 rectifications, by power factor correction module 513 output high voltage direct current V+.Inversion boosting module 514 is connected between power factor correction module 513 and the backlight 152, comprises the resonance modulation submodule 5141 and the submodule 5142 that boosts.Inversion boosting module 514 is a High Level AC Voltage with the high voltage direct current V+ inversion of power factor correction module 513 outputs, and by the pole plate 3 of backlight 152 it is added to backlight array 2.
The structure of backlight array 2 is: the two ends of each fluorescent light all are connected in series after the electric capacity 30 and the two ends of receiving pole plate 3, and pole plate 3 two ends are connected with P, the Q end of the submodule 5142 that boosts of inversion boosting module 514 respectively.The backlight lamp control signal is input to each fluorescent light by pole plate 3, and each fluorescent light is worked under its control.
Specifically, in conjunction with Fig. 6 and Fig. 7, backlight array 2 is connected between two pole plates 3, and pole plate 3 is provided with a plurality of fluorescent tube terminals 31 and corresponding a plurality of electric capacity 30, and each electric capacity 30 is connected with corresponding fluorescent tube terminal 31.A connectivity port 32 also is set on the pole plate 3, connectivity port 32 is the corresponding common port of a plurality of electric capacity 30 in two plate plates 3, two common ports of connectivity port 32 are connected to two output terminal P, Q of the submodule 5142 that boosts respectively, like this, between output terminal P, the Q of the common port of two pole plates 3 and the submodule 5142 that boosts, only need two connecting lines.
Offer a plurality of wedge grooves 33 on the pole plate 3, wedge groove 33 is the notch of similar " Y " type, in backlight array 2, fluorescent tube is connected with the fluorescent tube terminal 31 at two ends, in this wedge groove 33, set up the soldered joint 311 of fluorescent tube terminal 31, this soldered joint 311 corresponding positions dress electric capacity 30, an end of electric capacity 30 and soldered joint 311 is the company of weldering mutually, and the other end of electric capacity 30 is communicated to the common port of connectivity port 32 by the printed wire of pole plate 3.Fluorescent tube terminal 31 both sides are all set up 34, two nose bars 34 of nose bar and are positioned at axially symmetry place of fluorescent tube, and are in identical horizontal level.
Present embodiment also can be placed partition 36 in the bottom of many cold-cathode fluorescence lamps 20, sets up the parting bead 361 of setting on the partition 36, and cold-cathode fluorescence lamp 20 is between the adjacent parting bead 361.Adopt such scheme that backlight 152 is assembled, connect, promptly become backlight module 15 with backlight control unit 151.
The concrete working method of backlight module 15 is, 5141 couples of direct current V+ of resonance modulation submodule of inversion boosting module 514 modulate (as adopting the pulse-width modulation PWM technology), produce sinusoidal ac, the submodule 5142 that boosts is transformer, this transformer boosts to the alternating current of resonance modulation submodule 5141 outputs, output high pressure sinusoidal ac adds to each fluorescent light by pole plate 3.
Present embodiment can also comprise audio output unit, is connected with control module 13, is used to accept the control of control module 13, receives and output audio signal, and this audio output unit can be a loudspeaker.
The alternating current of 5142 pairs of resonance modulation of submodule submodule, 5141 outputs of boosting of inversion boosting module 514 boosts in the present embodiment, and the high pressure sinusoidal ac of output is between 2.5KV-4KV; In the backlight array 2, the resistance of the electric capacity 30 that each fluorescent light is connected should be identical, and in the configuration of electric capacity 30, the capacitive reactance of electric capacity 30 is much larger than the impedance of fluorescent light self.
Signal interface unit in the present embodiment is not limited only to above several interface type, can select among tuner, S-video, AV, YPbPr, YCbCr, D-SUB, DVI, HDMI, D, Scart and the CATV (cable television) interface Cable one or more for use according to needs, also can select for use other to be used for the interface of the input and the output of audio frequency, vision signal or data.And corresponding outer signal terminal basis is selected the difference of interface type for use, and its shape can also can wait other shape for circle for square, in order to connect the wire rod of tool difference in functionality.
According to the specific design demand, this display interface unit 16 can also can be installed in the functional module integration-type flat panel display device shell 11 in control module 13 is installed in box body 12.
Be further simplified structure, reduce production costs, shell 11 rear sides of functional module integration-type flat panel display device also can not established opening and web members such as screw, slide rail, buckle directly are set in the present embodiment, and box body 12 can directly adhere on the outer surface that is fixed on shell 11.The external power supply terminal of the outer signal terminal of the signal interface unit 135 of control module 13 and power supply unit 17 is exposed outside at this moment, need not offer corresponding opening on shell 11.
For improving the antijamming capability and the stability of functional module integration-type flat panel display device, box body 12 that present embodiment adopts and inner barricade 123 thereof can use metal material to realize electromagnetic screen; The material that also can adopt other is plastics, fiber etc. for example, is aided with modes such as plating and carries out electromagnetic screen.
For reaching goal of the invention, further standard functional module integration-type flat panel display device internal circuit configuration improves the functional module integration-type flat panel display device performance, and the present invention proposes another preferred embodiment.As shown in Figure 8, functional module integration-type flat panel display device 20 comprises shell 21, box body 22, control module 23, display interface unit 26, display screen 24 and backlight module 25.Backlight module 25 comprises backlight control unit 251 and backlight 252, and described backlight control unit 251 is placed in the box body 22, and backlight 252 is placed in the shell 21, and backlight control unit 251 is connected with backlight 252, and backlight 252 is controlled.
Power supply unit is respectively control module 23, display screen 24 and backlight module 25 power supplies.
The structure of control module 23 and last embodiment are similar, comprise control module, number-Mo converting unit, audio/video decoding unit, audio/video amplifying unit and signal interface unit.Control module respectively with number-Mo converting unit, audio/video decoding unit, audio/video amplifying unit, signal interface unit is connected and respectively it is controlled; Signal interface unit is used for audio/video signal, control signal or data are sent to display screen 24 and backlight control unit 251 by display interface unit 26, to realize the control of 23 pairs of display screens 24 of control module and backlight module 25.Signal interface unit can comprise multiple outer signal terminal, selects S-video, AV, D-SUB and CATV (cable television) interface Cable in the present embodiment for use, can also be tuner, is used to receive TV RF signals.
Shell 21 rear sides of functional module integration-type flat panel display device can be provided with opening, are used for enclosing casing 22, with box body on outer signal terminal and the position that is complementary of external power supply terminal be respectively equipped with corresponding opening.Box body can be connected by modes such as screw, slide rail, buckles with shell, when dismounting, only need remove the tightening state of screw or buckle, to extract with lead and terminal that control module 23, display interface unit 26, power supply unit 27 and backlight control unit 251 link to each other again, box body 22 can be taken off together with above-mentioned control module 23, display interface unit 26, power supply unit 27 and backlight control unit 251, easy installation and removal is simple.
Backlight module 25 principles and last embodiment are similar in the present embodiment, comprise backlight control unit 251 and backlight 252 (figure does not show), wherein backlight 252 structures and last embodiment are similar, comprise backlight array, reflecting plate, light guide plate, diffuser plate, diffusion barrier and prism film etc., one group of pole plate also, each fluorescent light of backlight array is with the electric capacity of connecting and receive on the pole plate, and fluorescent light is connected and accepts the control of backlight control unit 251 by pole plate and backlight control unit 251.The concrete working method and the last embodiment of backlight module 25 are similar, so do not give unnecessary details.
Present embodiment can also comprise at least one audio output unit, is connected with control module 23, is used to accept the control of control module 23, receives and output audio signal, and this audio output unit can be a loudspeaker.Present embodiment also can comprise audio interface unit, is used for unification a plurality of audio output units and control module are coupled together, and makes a plurality of audio output units can accept the control of control module.This audio interface unit can also comprise power interface, makes a plurality of audio output units to obtain power supply by audio interface unit, and this audio interface unit also can be placed in the box body 22.
More last embodiment, present embodiment will be realized the backlight control unit 251 of control module 23, display interface unit 26, power supply unit 27 and the backlight module of flat-panel monitor control is all concentrated in the different shadow zones that are placed in box body 22, arrange in order, each unit can both obtain effective electromagnetic screen; Shorten and simplify the line between each unit, each unit in the box body and the line between other ingredients of functional module integration-type flat panel display device (for example unit such as display screen, backlight array, audio frequency output) are unified, are convenient to assembly and disassembly; The a certain functional unit of control module that no matter is functional module integration-type flat panel display device breaks down, still the backlight control unit of backlight module even display interface unit or audio interface unit break down, and can simply box body be disassembled and carry out repair and replacement; Further reduce the joint demand between circuit design and shell shape, the size, further reduced design, production and maintenance cost.
The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure transformation that utilizes instructions of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. a functional module integration-type flat panel display device comprises shell, box body, control module, display screen, backlight module and power supply unit, and control module is concentrated and is placed in the box body, and box body is removably mounted on the shell; Control module is connected with backlight module with display screen respectively, control display screen and backlight module work; Power supply unit is respectively control module, display screen and backlight module power supply.
2. functional module integration-type flat panel display device according to claim 1, it is characterized in that, described backlight module comprises backlight control unit and backlight, described backlight comprises one group of backlight and one group of pole plate, described backlight control unit is connected with control module, accepts the control of described control module; The backlight of described backlight is connected and accepts the control of backlight control unit with backlight control unit by pole plate.
3. functional module integration-type flat panel display device according to claim 2, it is characterized in that, described backlight control unit comprises electromagnetic compatibility module, rectification module, power factor correction module, electromagnetic compatibility module, rectification module and power factor correction module, the input of electromagnetic compatibility module connects AC power, after the rectification module rectification, by power factor correction module output high voltage direct current; Backlight control unit also is provided with the inversion boosting module, the inversion boosting module is connected between power factor correction module and the backlight array, the inversion boosting module is a High Level AC Voltage with the high voltage direct current inversion of power factor correction module output, and it is outputed to backlight array.
4. functional module integration-type flat panel display device according to claim 3, it is characterized in that, the two ends of each backlight of described backlight array all are connected in series behind the electric capacity and the two ends of receiving described pole plate, the pole plate two ends are connected with the inversion boosting module respectively, and the High Level AC Voltage that described inversion boosting module produces is input to each backlight by described pole plate.
5. functional module integration-type flat panel display device according to claim 2 is characterized in that, described backlight control unit is placed in the described box body or is placed in the described shell.
6. functional module integration-type flat panel display device according to claim 1, it is characterized in that, described control module comprises control module, number-Mo converting unit, audio/video decoding unit, audio/video amplifying unit, signal interface unit, described control module respectively with number-Mo converting unit, audio/video decoding unit, audio/video amplifying unit, signal interface unit is connected and respectively it is controlled.
7. functional module integration-type flat panel display device according to claim 1, it is characterized in that, also comprise the display interface unit, connect described control module, backlight module and display screen respectively, control according to control module, vision signal is sent to display screen, backlight control signal is sent to backlight module, receive feedback signal from backlight module and display screen.
8. functional module integration-type flat panel display device according to claim 7, it is characterized in that, described display interface unit also comprises power interface, and described power interface is connected described backlight module, display screen and power supply unit respectively, for described backlight module and display screen provide power supply.
9. according to claim 7 or 8 described functional module integration-type flat panel display devices, it is characterized in that described display interface unit is placed in the described box body or is placed in the described shell.
10. functional module integration-type flat panel display device according to claim 1, it is characterized in that, can also comprise at least one audio output unit and audio interface unit, described at least one audio output unit is connected with described control module by described audio interface unit, accept the control of control module, output audio signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101457700A CN101191911A (en) | 2006-11-21 | 2006-11-21 | Functional module integration -type flat panel display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2006101457700A CN101191911A (en) | 2006-11-21 | 2006-11-21 | Functional module integration -type flat panel display device |
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| CN101191911A true CN101191911A (en) | 2008-06-04 |
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| CNA2006101457700A Pending CN101191911A (en) | 2006-11-21 | 2006-11-21 | Functional module integration -type flat panel display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671994A (en) * | 2015-11-06 | 2017-05-17 | 南车株洲电力机车研究所有限公司 | Vehicle-mounted display device of rail transportation |
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2006
- 2006-11-21 CN CNA2006101457700A patent/CN101191911A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671994A (en) * | 2015-11-06 | 2017-05-17 | 南车株洲电力机车研究所有限公司 | Vehicle-mounted display device of rail transportation |
| CN106671994B (en) * | 2015-11-06 | 2019-06-18 | 南车株洲电力机车研究所有限公司 | A kind of rail transportation vehicle-mounted display device |
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