CN1893787B - Display apparatus having a display module that supports various functions - Google Patents

Display apparatus having a display module that supports various functions Download PDF

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Publication number
CN1893787B
CN1893787B CN2006100940031A CN200610094003A CN1893787B CN 1893787 B CN1893787 B CN 1893787B CN 2006100940031 A CN2006100940031 A CN 2006100940031A CN 200610094003 A CN200610094003 A CN 200610094003A CN 1893787 B CN1893787 B CN 1893787B
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China
Prior art keywords
circuit board
pcb
printed circuit
display unit
grounding bracket
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Expired - Fee Related
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CN2006100940031A
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Chinese (zh)
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CN1893787A (en
Inventor
长其映
李长雨
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Priority claimed from KR1020050058102A external-priority patent/KR100609061B1/en
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of CN1893787A publication Critical patent/CN1893787A/en
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Publication of CN1893787B publication Critical patent/CN1893787B/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/18—Packaging or power distribution
    • G06F1/181—Enclosures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/18—Packaging or power distribution
    • G06F1/181—Enclosures
    • G06F1/182—Enclosures with special features, e.g. for use in industrial environments; grounding or shielding against radio frequency interference [RFI] or electromagnetical interference [EMI]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
    • G06F2200/16—Indexing scheme relating to G06F1/16 - G06F1/18
    • G06F2200/161—Indexing scheme relating to constructional details of the monitor
    • G06F2200/1612—Flat panel monitor

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

A display apparatus having a display module to display images includes a first printed circuit board arranged on a rear side of the display module, a shielding cover to shield a rear side of the first printed circuit board to accommodate the first printed circuit board therein, a first connection port mounted on the first printed circuit board at an edge portion thereof and projected from a surface of the first printed circuit board, at least one second connection port mounted on the first printed circuit board adjacent to the first connection port and projected from the surface of the first printed circuit board by a second height different from the first height of the first connection port, a grounding bracket combined with the first printed circuit board and disposed over the first and second connection ports to be in contact with the first connection port, a second grounding plate arranged between the grounding bracket and the second connection port to be in contact with the grounding bracket and the second connection port, and a first grounding plate disposed between the shielding cover and the grounding bracket to be in contact with the shielding cover and the grounding bracket so that the grounding bracket is grounded to the shielding cover.

Description

Display unit with display assembly of supporting multiple function
Technical field
The present invention relates to a kind of display unit; Particularly; The present invention relates to a kind of display unit with display assembly of supporting multiple function; The printed circuit board component and/or the ground structure of display unit wherein are set, to reduce interference and to realize to being installed in the optimal location of the connectivity port on the printed circuit board (PCB).
Background technology
Usually, will comprise television set or the computer monitor of the display unit of LCD (LCD) and plasma display panel (PDP) as display image.
Now; Monitor provides additional functions; As through have be incorporated into wherein be used to receive and show the video screen function that the television broadcasting receiver turning of television broadcasting signal is realized, and be incorporated into the audion system function that the loud speaker from the computer output sound is wherein realized through having.These miscellaneous functions of monitor are outside through the Presentation Function of conversion from the picture signal display image of computer, to provide.This monitor with various additional functions is called the multi-function monitoring device.
Computer and monitor are connected to each other via sub-connector of D (D-Sub connector) or digital visual interface (DVI) connector usually, thereby allow and will be sent to monitor from the picture signal of computer.
The multi-function monitoring device can have sub-connector of D and/or DVI connector; And can have S video-frequency connector (S-video connector), it be except sub-connector of D or DVI connector in order to receive the parts connector or the unit connector of picture signal from the external image processing unit such as DVD device, VCR etc.
In traditional computer; Computer is only supported a kind of out connector; Like the sub-connector of D; But a kind of like this trend is arranged recently, i.e. computer support comprises two or more out connectors of the sub-connector of D, DVI connector and S video-frequency connector, therefore can two or more monitors be connected on the computer.
Recently; Business-like multi-function monitoring utensil has additional functions, and like network function, this network function is connected these monitors with network; To show as image through the data that network receives thus, and send and receive control signal via network.Except network function, through monitor is connected the effect that makes this monitor also play computer monitor with computer via the image cable.
In having the multi-function monitoring device of network function, the circuit block of network enabled function is installed on the additional printed circuit plate (being called " daughter board " hereinafter), and this additional printed circuit plate is installed in the conventional monitors underframe.Except daughter board, conventional monitors also comprises the main printed circuit board (being called " main printed circuit board " hereinafter) in the main body that is installed in conventional monitors.
Be transferred to display assembly in order to handle through the data of network reception and with data processed, the daughter board that will be arranged in the underframe via cable is connected to each other with the main printed circuit board that is arranged in the monitor main body.
In having the monitor of above-mentioned configuration, because daughter board is arranged in underframe, so underframe has bigger volume.This big volume is not preferred in the current industrial environment of stressing the reduced size product design.
In addition, the shortcoming with multi-function monitoring device of above-mentioned configuration is: need additional space in underframe and the monitor main body, be used for cable main printed circuit board and daughter board are connected to each other.Possibly the come under observation damage of motion of device mechanical structure of this cable, and this cable becomes the restriction of the mechanical structure of design monitor.
On the other hand, the multi-function monitoring device is furnished with a plurality of I/O connectivity port usually, so that can utilize this monitor to use various additional functions.Each I/O connectivity port utilizes ground structure to solve the problem of electrostatic discharge (ESD) or electromagnetic interference (EMI).
In this multi-function monitoring device, when with a plurality of I/O connectivity port layout close to each other, ESD or EMI possibly appear.In addition, because each input/output end port has different size, therefore same ground structure may not be applicable to all I/O connectivity ports.
Summary of the invention
The present invention provides a kind of display unit, has wherein compensated to be installed on the printed circuit board (PCB) and with the difference in height of the outstanding connectivity port of differing heights, the connectivity port is ground connection easily, and the assembly working efficient of display unit can be improved.
The present invention also provides a kind of display unit with network function; Can carry out data transmission/reception through this display unit; This display unit is used a printed circuit board (PCB), and first circuit block of handling picture signal and the second circuit piece of handling the data that receive or send through network have been installed on this circuit board.
The present invention can further provide a kind of display unit, wherein first circuit block and second circuit piece is installed on the printed circuit board (PCB) and does not have overheated problem between two circuit blocks.
Other aspects of the present invention are partly setting forth in the specification below, and will from this specification, be in part apparent, and perhaps can understand through practice of the present invention.
Above-mentioned and other aspects of the present invention can realize that this display unit comprises first printed circuit board (PCB) that is arranged on this display assembly rear side through a kind of display unit with the display assembly that is used for display image is provided; Cover the rear side of first printed circuit board (PCB) so that first printed circuit board (PCB) is contained in protective cover wherein; First connectivity port, it is installed in marginal portion on first printed circuit board (PCB) and highly outstanding with first from the surface of first printed circuit board (PCB); At least one second connectivity port, its contiguous first connectivity port are installed on first printed circuit board (PCB) and second highly outstanding with first height that is different from first connectivity port from the surface of first printed circuit board (PCB); Grounding bracket, it combines with first printed circuit board (PCB) so that contact around first and second connectivity ports and with first connectivity port; Second ground plate, it is arranged between the grounding bracket and second connectivity port so that contact with second connectivity port with grounding bracket; And first ground plate, it places between protective cover and the grounding bracket, so that contact with grounding bracket with protective cover, thereby grounding bracket is received on the protective cover.
First connectivity port can comprise the Local Area Network port, and second connectivity port can comprise USB (USB) port.
This display unit can further comprise the plate bearing support, and it is arranged between the display assembly and first printed circuit board (PCB) so that support first printed circuit board (PCB).
The plate bearing support can comprise base plate and extension board, and wherein first printed circuit board (PCB) is positioned on this base plate, and extension board is crooked and have a port exposed hole that exposes first and second connectivity ports from an end of base plate.
Second ground plate can comprise second retained part, thereby it combines with grounding bracket grounding bracket is inserted in this second retained part; And second contact portion, it extends so that when second retained part combines with grounding bracket, contact with second connectivity port towards second connectivity port from second retained part.
First ground plate can comprise first retained part, thereby it contacts with protective cover and combines to make the plate bearing support to be inserted in first retained part with the plate bearing support; And first contact portion, it extends towards grounding bracket from first retained part, so that when first retained part combines with the plate bearing support with protective cover, contact grounding bracket.
Extension board can comprise the sweep that is positioned at its end, and this sweep is crooked towards first printed circuit board (PCB); First ground plate comprises: first retained part; Thereby it combines to make the sweep of extension board to be inserted in first retained part with the plate bearing support; And first contact portion; Contact with grounding bracket when first retained part contacts with the plate bearing support thereby extend from first retained part towards grounding bracket, first retained part is through contacting and ground connection with protective cover.
Display unit can further comprise second printed circuit board (PCB), and its contiguous first printed circuit board (PCB) combines with the rear side of plate bearing support, so that a plurality of power circuit devices are installed on second printed circuit board (PCB).
First printed circuit board (PCB) can comprise first circuit block and second circuit piece; First circuit block is installed on first printed circuit board (PCB) in order to display assembly picture signal to be provided; The second circuit piece is used to handle the data that receive and send through network; First printed circuit board (PCB) comprises first and second sides respect to one another, and the second circuit piece is installed since the marginal portion of second side of first printed circuit board (PCB), and wherein first side is a side of contiguous second printed circuit board (PCB).
The second circuit piece can comprise: NCB, and it is connected to network so that transmit and receive data according to predetermined communication protocol; DSB data store block, its storage are used at least one control routine that the data that receive through NCB and send are handled; Memory block, control routine are loaded into wherein; Primary processor is loaded into control routine memory block and carries out this control routine; The bridge joint piece is used to manage the exchanges data between primary processor and the DSB data store block.
Primary processor can be arranged on the position of second side of contiguous first printed circuit board (PCB).
Primary processor can be a vision signal with the transformation of data that receives through NCB, and to this vision signal of first circuit block output.
LAN port and USB port can be installed in the marginal portion of the 3rd side of first printed circuit board (PCB).
First printed circuit board (PCB) can comprise: the image input port, and the marginal portion that it is installed in first printed circuit board (PCB) is used to receive the received image signal that is input to first circuit block; The output end of image mouth, the marginal portion that it is installed in first printed circuit board (PCB) is used to export the picture signal from first circuit block.
First printed circuit board (PCB) can further comprise low-voltage differential signal (LVDS) out connector, and the marginal portion that it is installed in the 4th side of first printed circuit board (PCB) is used for the output image signal from first circuit block is sent to display assembly.
The second circuit piece can further comprise: the initialization routine piece, and it is used for when initialization electric power is input to the second circuit piece the second circuit initialization block; And transition minimized differential signal (TMDS) transmission block, it is used for changing the picture signal of primary processor output into the TMDS form, and the picture signal that will change outputs to first circuit block.The contiguous primary processor of NCB, DSB data store block, memory block, initialization routine piece and TMDS transmission block is installed on first printed circuit board (PCB).
Above-mentioned and/or other aspects of the present invention can also realize that this display unit comprises through a kind of display unit with the display assembly that is used for display image is provided: the plate bearing support, and it is arranged on the rear side of display assembly; Second printed circuit board (PCB), it is connected to the back side of plate bearing support and is provided with a plurality of power circuit devices; And first printed circuit board (PCB); It is attached on the back side of plate bearing support and near second printed circuit board (PCB); This first printed circuit board (PCB) has first side of contiguous second circuit board setting and second side relative with first side; And having first circuit block and the second circuit piece that is used to handle the data that receive and send through network that is used for providing picture signal to display assembly, the second circuit piece begins to be arranged on first printed circuit board (PCB) from the marginal portion of second side relative with first side of first printed circuit board (PCB).
The second circuit piece can comprise: NCB, and it is connected to network in order to transmit and receive data according to predetermined communication protocol; DSB data store block, its storage are used at least one control routine that the data that receive through NCB and send are handled; Memory block, control routine are loaded into wherein; Primary processor, it is used for control routine is loaded into memory block and carries out this control routine; The bridge joint piece, the exchanges data between its management primary processor and the DSB data store block.
Primary processor can be arranged on the position of second side of contiguous first printed circuit board (PCB).
Primary processor can be a vision signal with the transformation of data that receives through NCB, and to this vision signal of first circuit block output.
First printed circuit board (PCB) can comprise: the LAN port; It is installed in the marginal portion of the 3rd side of first printed circuit board (PCB); In order to be connected to outside LAN connector; And at least one USB port, it is installed in second side of first printed circuit board (PCB) and at least one the marginal portion in the 3rd side, in order to be connected to the external equipment of supporting USB interface.
First printed circuit board (PCB) can comprise: the image input port; It is installed in the marginal portion of the 3rd side of first printed circuit board (PCB); Be used to receive the received image signal that is input to first circuit block; And the output end of image mouth, the marginal portion that it is installed in the 3rd side of first printed circuit board (PCB) is used for the picture signal from first circuit block is outputed to the outside of first printed circuit board (PCB).
First printed circuit board (PCB) can further comprise the LVDS out connector, and the marginal portion that it is installed in the 4th side of first printed circuit board (PCB) is used for the output image signal from first circuit block is sent to display assembly.
The second circuit piece can comprise: the initialization routine piece; It is used for when initialization electric power is input to this second circuit piece the second circuit initialization block; And TMDS transmission block; It is used for changing the picture signal of primary processor output into the TMDS form, and the picture signal that will change outputs to first circuit block.The contiguous primary processor of NCB, DSB data store block, memory block, initialization routine piece and TMDS transmission block is installed on first printed circuit board (PCB).
Above-mentioned and/or other aspects of the present invention can also realize that this device comprises the plate bearing support through a kind of display unit with the display assembly that is used for display image is provided, and it is arranged on the rear side of display assembly; Second printed circuit board (PCB), it is attached to the back side of plate bearing support and is provided with a plurality of power circuit devices; First printed circuit board (PCB); It is attached on the back side of plate bearing support near second printed circuit board (PCB); This first printed circuit board (PCB) has first side of contiguous second circuit board setting and second side relative with first side; And having first circuit block and the second circuit piece that is used to handle the data that receive and send through network that is used for providing picture signal to display assembly, this second circuit piece begins to be arranged on first printed circuit board (PCB) from the marginal portion of second side relative with first side of first printed circuit board (PCB); Cover the rear side of first printed circuit board (PCB) so that first printed circuit board (PCB) is contained in protective cover wherein; First connectivity port, it is installed in marginal portion on first printed circuit board (PCB) and highly outstanding with first from the surface of first printed circuit board (PCB); At least one second connectivity port, its contiguous first connectivity port is installed on first printed circuit board (PCB), and from the surface of first printed circuit board (PCB) second highly outstanding with first height that is different from first connectivity port; Grounding bracket, it combines with first printed circuit board (PCB) and places on first and second connectivity ports, so that contact with first connectivity port; Second ground plate, it is arranged between the grounding bracket and second connectivity port so that contact with second connectivity port with grounding bracket; And first ground plate, it places between protective cover and the grounding bracket, so that contact with grounding bracket with protective cover, thereby makes grounding bracket be grounded to protective cover.
Above-mentioned and/or other aspects of the present invention can also realize that this display unit comprises the circuit board that places display unit inner through a kind of display unit is provided; First and second connectivity ports, they are highly outstanding with first and second from the surface of circuit board, so that display unit is connected at least one in external network and the ancillary equipment; Protective cover is used to provide ground connection; Grounding bracket; It places between the protective cover and first and second connectivity ports; Be used for contacting with protective cover, this grounding bracket and circuit board separate the 3rd height, thereby the middle flat of grounding bracket is contacted with at least one surface of first and second connectivity ports; And first and second ground plates, they all contact with grounding bracket, and wherein first ground plate contacts with at least one COM1, and second ground plate contacts with protective cover.
First and second ground plates comprise first and second retained parts of the end of corresponding clamping first and second ground plates.
First connectivity port is grounded to protective cover through first ground plate and grounding bracket.
Second connectivity port is grounded to protective cover through second ground plate, grounding bracket and first ground plate.
First height is greater than second height.
Said display unit further comprises second circuit board; Its contiguous said circuit board setting; And having a power unit that is used for providing electric power to said circuit board, wherein said circuit board comprises the microprocessor that is oppositely arranged with respect to the core of second circuit board and second circuit board.
Said display unit further comprises second circuit board, and its proximate circuitry plate is provided with, and has the power unit that electric power is provided to said circuit board, and wherein said circuit board comprises: first side that contiguous second circuit board is provided with; With respect to the core of said circuit board second side relative with first side; And separate first distance and separate the microprocessor of second distance with second side with first side, wherein second distance is less than first distance.
Description of drawings
Above-mentioned and/or other aspects of the present invention and/or advantage will combine to become in the description of accompanying drawing to exemplary embodiment obvious below and be more readily understood, in the accompanying drawings:
Fig. 1 illustrates according to the display unit of the embodiment of the invention and the sketch map of the connection between the computer;
Fig. 2 is the decomposition diagram that the display unit of Fig. 1 is shown;
Fig. 3 is the block diagram of control that the display unit of Fig. 2 is shown;
Fig. 4 is the sketch map that the layout of the parts on first printed circuit board (PCB) that is installed in display unit shown in Fig. 2 and 3 is shown;
Fig. 5 be illustrate with Fig. 2 and display unit shown in 3 in first printed circuit board (PCB) that combines of plate bearing support and the sketch map that is connected of second printed circuit board (PCB); And
Fig. 6 and 7 illustrates the sketch map that is used for the structure of the ground connection of display unit shown in Fig. 1 and 2.
Embodiment
Describe each embodiment of the present invention now in detail, the example of said embodiment is shown in the drawings.In institute's drawings attached, identical Reference numeral is represented components identical.Each embodiment is described below, thereby explains the present invention with reference to accompanying drawing.
With reference to figure 1, be connected on the external equipment through network 2 according to the display unit 1 of the embodiment of the invention, for example be connected on the computer 3.
With reference to figure 2; Comprise the display assembly 13 that thereby the protecgulum in space 11 and bonnet 12 is provided betwixt, is used for display image of being bonded to each other, be arranged on the plate bearing support 14 on display assembly 13 rear sides, second printed circuit board (PCB) 20 that is arranged on plate bearing support 14 back sides and first printed circuit board (PCB) 30 according to the display unit 1 of this embodiment of the invention, and couple the protective cover 15 that is used to cover first and second printed circuit board (PCB)s 30 and 20 with plate bearing support 14 rear sides.
Protecgulum 11 has display window in its surface, in order to expose by 13 images displayed of display assembly.Protecgulum 11 and bonnet 12 are bonded to each other holding display assembly 13, plate bearing support 14 and protective cover 15, thereby constitute shell.
Display assembly 13 can be the flat-panel monitor assembly, comprises LCD type, PDP type, organic electroluminescent (EL) type or the like.
Plate bearing support 14 combines with protecgulum 11, is placed in display assembly 13 rear sides.Plate bearing support 14 can combine with protecgulum 11, and separates certain distance with the rear side of display assembly 13.Therefore, can reduce because for example heat and/or signal noise and the interference of generation between display assembly 13 and first printed circuit board (PCB) 30, second printed circuit board (PCB) 20.
Plate bearing support 14 can have the boss of giving prominence to towards display assembly 13 (or member of protuberance shaping) in its front, thereby remains on the distance between plate bearing support 14 and the display assembly 13.Perhaps, plate bearing support 14 can have prone lateral margin on its opposite side, to replace boss plate bearing support 14 and display assembly is opened in 13 minutes.
Shown in Fig. 2 and 5,, first printed circuit board (PCB) 30 of second printed circuit board (PCB) 20 with vicinity second printed circuit board (PCB) 20 combined at the rear side of plate bearing support 14.When the rear side of display unit 1 is observed this display unit; Second printed circuit board (PCB) 20 is arranged on the left side of plate bearing support 14; First printed circuit board (PCB) 30 is arranged on the right side of plate bearing support 14, and the second and the 3rd printed circuit board (PCB) 20 and 30 is arranged on the back side of plate bearing support 14 simultaneously.
On second printed circuit board (PCB) 20, installed and to have driven the required a plurality of power circuit devices of display unit 1.That is to say that said a plurality of power circuit devices can comprise a power connector 21, this power connector is installed on the lower limb of second printed circuit board (PCB) 20, and when protective cover 15 and bonnet 12 combine, is exposed to the outside, as shown in Figure 5.
Second printed circuit board (PCB) 20 can further comprise the power converting circuit piece and be installed in first circuit block 40 and second circuit piece 50 on first printed circuit board (PCB) 30; Wherein the power transformation circuit piece for example is the DC/DC adjuster, and it will change the driving voltage that needs to display assembly 13 power supply stations into through the electric power of power connector 21 input from the outside.
As shown in Figure 5; Can be on second printed circuit board (PCB) 20; Near the edge part office of first printed circuit board (PCB), 30 1 sides, provide electric power out connector 22 to supply electric power, thus first and second circuit blocks 40 and 50 of drive installation on first printed circuit board (PCB) 30.Can use cable 23 that electric power out connector 22 is linked to each other with electric power input connector 69 on first printed circuit board (PCB) 30, thereby to first printed circuit board (PCB), 30 supply electric power.
First printed circuit board (PCB) 30 places the position of the rear side of plate bearing support 14 near second printed circuit board (PCB) 20.On first printed circuit board (PCB) 30; Be equipped be used for to display assembly 13 provide picture signal first circuit block 40, be used to handle second circuit piece 50 and a plurality of input/output end port (connector) of the data that receive and send through network 2, shown in Fig. 3 and 4.Fig. 3 illustrates the block diagram that first circuit block 40, second circuit piece 50 and the input/output end port that are installed on first printed circuit board (PCB) 30 are controlled.Fig. 4 illustrates the layout view that is installed in first circuit block 40, second circuit piece 50 and input/output end port on first printed circuit board (PCB) 30.
Comprise image signal processing unit 41 and microcomputer 42 with reference to figure 3, the first circuit blocks 40.
Graphics processing unit 41 will change the predetermined format that display assembly 13 can be used in display image into from the picture signal of image input port 65 or 50 inputs of second circuit piece; For example low-voltage differential signal (LVDS) form passes through the picture signal of LVDS connector 66 after display assembly 13 outputs change thus.
Image signal processing unit 41 can have the multiple function of the received image signal of handling various forms.For example, these functions can comprise A/D translation function, digital decoding function, proportional zoom function etc.The A/D translation function is used for changing the various picture signal forms from image input port 65 or 50 inputs of second circuit piece into predetermined format data image signal.The proportional zoom function is used to control frame frequency, resolution and aspect ratio and shows output specification and/or LVDS format conversion function so that meet.
Microcomputer 42 control image signal processing units 41 and display assembly 13 are to be adjusted at the display characteristic of images displayed on the display assembly 13.Microcomputer 42 is also controlled the power converting circuit piece that is installed on second printed circuit board (PCB) 20, i.e. DC/DC adjuster, thus the electric power of whole display unit 1 is supplied with in management.
Second circuit piece 50 can comprise for example NCB 54, DSB data store block 56, memory block 53, primary processor 51 and bridge joint piece (bridge block) 52.
According to predetermined communication protocol, NCB 54 is connected to network 2 line data of going forward side by side and sends and receive.NCB 54 can be connected on the computer 3 via Local Area Network, and therefore LAN port 61 is installed on first printed circuit board (PCB) 30.NCB 54 can also be connected on the computer 3 via other connected modes, infrared (IR) communication means or the bluetooth approach that for example can communicate by letter with the computer that will be connected to LAN 3.
DSB data store block 56 storages are used to handle at least one control routine of the data that receive through NCB 54.Just, DSB data store block 56 can be stored the various application programs that are used to drive the operating system of second circuit piece 50 and are used for the various data formats that receive through NCB 54 are handled.DSB data store block 56 can be the flash disk assembly.
These application programs comprise coder-decoder program that is used to extract the graph data that receives according to the predetermined format compression and through NCB 54 and the executive program that is used to carry out the graph data that is extracted through the coder-decoder program.
Memory block 53 is as main storage, and wherein load module control routine and data are used for being used in the second circuit piece 50 in primary processor 51 courses of work.Memory block 53 can be the SDRAM of synchronous DRAM (SDRAM) or Double Data Rate (DDR).
The control routine that primary processor 51 will be stored in the DSB data store block 56 is loaded in the memory block 53.Here, can realize primary processor 51 through CPU, the graphics controller that is used for the storage control of control store piece 53 and is used to handle vision signal are integrated into a chip.
The picture signal of primary processor 51 outputs is through transition minimized differential signal (TMDS; Transition minimized differential signaling) transmission block 55 is changed into the TMDS form, and is outputed to the image signal processing unit 41 of first circuit block 40.
Second circuit piece 50 can be driven by the operating system and the application program that are stored in the outer computer 3 that connects through network 2, replaces being driven by the operating system and the application program of storage in the DSB data store block 56.
For example, primary processor 51 can be carried out the only operating system and the application program of storage in computer 3, and can be through 2 essential data of transmission of network, like graph data.Primary processor 51 receives order via the additional input equipment such as keyboard and/or mouse that connects through USB port 62; And will order accordingly through network 2 and be sent to computer 3; Like this, primary processor 51 can be controlled operating system and the application program in the computer 3.
The exchanges data of bridge joint piece 52 management between DSB data store block 56 and primary processor 51.Primary processor 51, bridge joint piece 52 and NCB 54 can link to each other via the data/address bus that meets predetermined dimension, and said data/address bus for example is Peripheral Component Interconnect (PCI) bus, as shown in Figure 3.
Except above-mentioned parts; Second circuit piece 50 can further comprise and be used for when starting the initialization routine piece 58 of each element initialization of above-mentioned second circuit piece 50 and be used for input and output handling or will be by the audio frequency piece 57 of the sound signal of its processing through primary processor 51.Initialization routine piece 58 passes through bridge joint piece 52 and primary processor 51 swap datas with audio frequency piece 57.
The input/output end port of installing on first printed circuit board (PCB) 30 comprises image input port 65, LAN port 61, LVDS connector 66, output end of image mouth 64, audio frequency input/output end port 63 and USB port 62.
As stated, the picture signal of LVDS connector 66 output LVDS forms, these picture signals output to display assembly 13 from image signal processing unit 41.First circuit block 40 is connected to each other via LVDS cable 66b with display assembly 13, as shown in Figure 5.
Output end of image mouth 64 links to each other with external image equipment, so that the picture signal of image processor 51 outputs is outputed to the outside.The path that audio frequency input/output end port 63 passes through as the sound signal that input and output are handled by audio frequency piece 57.
Hereinafter, will be described in detail on first printed circuit board (PCB) 30 layout of first circuit block 40, second circuit piece 50 and the input/output end port installed with reference to Figure 4 and 5.Explain for ease, in four sides of first printed circuit board (PCB) 30, being called first side near a side of second printed circuit board (PCB) 20; A side relative with first side is called second side; Downside near the bottom of display unit 1 is called the 3rd side; The side relative with the 3rd side, promptly the upside of display unit 1 is called the 4th side.
According to this embodiment, second circuit piece 50 is installed in the edge part office of second side of first printed circuit board (PCB) 30.Primary processor 51 is installed in the marginal portion of second side of first printed circuit board (PCB) 30, so that fully away from second printed circuit board (PCB) 20.Therefore, produce the primary processor 51 of big calorimetric and the power circuit device of second printed circuit board (PCB) at work and be separated, thereby make heat distribution that first and second printed circuit board (PCB)s 30 and 20 produce separately on whole display unit 1.
NCB 54, DSB data store block 56, memory block 53, initialization routine piece 58 and the TMDS transmission block 55 that constitutes a part of parts of second circuit piece 50 is installed on first printed circuit board (PCB) 30 position near primary processor 51.
With reference to Figure 4 and 5, TMDS transmission block 55 is installed in the position that is positioned at primary processor 51 lower right sides on first printed circuit board (PCB) 30, and NCB 54 is installed in the position that is positioned at TMDS transmission block 55 lower right sides on first printed circuit board (PCB) 30.DSB data store block 56 sequentially is installed on first printed circuit board (PCB) 30 with initialization routine piece 58 and is positioned at primary processor 51 left sides.Bridge joint piece 52 is installed in the position that is positioned at primary processor 51 left downsides on first printed circuit board (PCB) 30.Audio frequency piece 57 is installed on first printed circuit board (PCB) 30, is positioned at primary processor 51 right sides and near audio frequency input/output end port 63.Memory block 53 is installed in the upside of primary processor 51, promptly is positioned at the edge part office of the 4th side of first printed circuit board (PCB) 30.
The image signal processing unit 41 and the microcomputer 42 of first circuit block 40 is installed in the left side of first printed circuit board (PCB) 30, promptly is positioned at the lower limb part of first side of first printed circuit board (PCB) 30.
Input/output end port, for example, LAN port 61, USB port 62a and 62b, audio frequency input/output end port 63, output end of image mouth 64, image input port 65 and connector 66 are installed along the marginal portion of four sides of first printed circuit board (PCB) 30 separately.Be used for being installed in the edge part office of first printed circuit board (PCB), 30 first sides, with near second printed circuit board (PCB) 20 from the electric power input connector 69 that second printed circuit board (PCB) 20 receives electric power.Electric power input connector 69 is connected with electric power out connector 22 on being installed in second printed circuit board (PCB) 20 via power cable 23.
With reference to figure 4, in the marginal portion of the 3rd side of first printed circuit board (PCB) 30, according to from left to right order installation diagram as input port 65, main USB port 62a, LAN port 61 and output end of image mouth 64.Here, the position of image input port 65, main USB port 62a, LAN port 61 and output end of image mouth 64 can change.
In the marginal portion of second side of first printed circuit board (PCB) 30, audio frequency input/output end port 63 has been installed, so that it is near audio frequency piece 57, redundant USB port 62b is installed also in addition.
LVDS connector 66 has been installed in marginal portion in the 4th side of first printed circuit board (PCB) 30; Via LVDS cable 66b the LVDS connector is linked to each other with the LVDS input connector 66a that places display assembly 13 back sides, the picture signal with the LVDS form outputs to display assembly 13 from image signal processing unit 41 thus.
With reference to figure 6 and 7, the ground structure according to first printed circuit board (PCB) 30 of the embodiment of the invention will be described now.In the explanation of ground structure, explain as an example with the LAN port 61 of installation on first printed circuit board (PCB) 30 and the ground structure of USB port 62a.
As stated, LAN port 61 is outstanding from the surface of first printed circuit board (PCB) 30 in the marginal portion of first printed circuit board (PCB) 30 the 3rd side, and USB port 62a is also outstanding from the surface of first printed circuit board (PCB) 30, and its outstanding height is different with the height of LAN port 61.For example, the height of USB port 62a can be less than the height of LAN port 61.Hereinafter, explain for ease, LAN port 61 is called first connectivity port 61, USB port 62a is called the second connectivity port 62a.
Display unit 1 according to this embodiment comprises grounding bracket 70, and it combines with first printed circuit board (PCB) 30, makes grounding bracket 70 center on the mode of first connectivity port 61 and the second connectivity port 62a.Grounding bracket 70 contacts with the flat surfaces of first connectivity port 61, combines with first printed circuit board (PCB) 30 simultaneously.Grounding bracket 70 has the cross section of shape as symbol " U ".Two ends of grounding bracket 70 all combine with first printed circuit board (PCB) 30, and the smooth middle part of grounding bracket 10 contacts first connectivity port 61.
Display unit 1 according to this embodiment comprises first ground plate 90 and second ground plate 80.
Second ground plate 80 is arranged between the grounding bracket 70 and the second connectivity port 62a, and contacts with the second connectivity port 62a with grounding bracket.Second ground plate 80 comprises second retained part 81 and second contact portion 82; Second retained part 81 combines with grounding bracket 70; Make the flat of grounding bracket 70 be inserted in second retained part 81, second contact portion 82 is extended towards the second connectivity port 62a from second retained part 81.
Second retained part 81 has as shown in Figure 7 shape as the cross section of symbol " U ", and grounding bracket 70 inserts between its flat through elastic force.
Second contact portion 82 forms from second retained part 81 extends, and when retained part 81 combines with grounding bracket 70, contacts the second connectivity port 62a.Therefore, through second ground plate 80 second connectivity port 62 is received on the grounding bracket 70.An end of second contact portion 82 can be crooked, thereby guarantee to contact with the second connectivity port 62a as shown in Figure 7.
Shown in Fig. 6 and 7; Plate bearing support 14 according to this embodiment can comprise bottom parts 14a and extension board part 14b; Wherein first printed circuit board (PCB) 30 is positioned on the bottom parts 14a; And said extension board part 14b is through forming from bottom parts 14a is crooked, and it has port holes 14d, exposes the first contact port 61 through this port holes and contacts port 62b with second.Extension board part 14b can have the sweep 14c that is positioned at its end, court's first printed circuit board (PCB), 30 bendings.
First ground plate 90 comprises first retained part 91 and first contact portion 92, and wherein first retained part 91 combines with plate bearing support 14 when sweep 14c inserts wherein, and 70 extensions from first retained part 91 towards grounding bracket of said first contact portion 92.When first retained part 91 combined with sweep 14c, first contact portion 92 of first ground plate 90 contacted with grounding bracket 70.
Here, second retained part 81 of the structure of first retained part 91 of first ground plate 90 and first contact portion 92 and second ground plate 80 and the similar of second contact portion 82.Therefore, omission is to its any further description.
First retained part 91 of first ground plate 90 contacts with protective cover 15 on being arranged on first printed circuit board (PCB) 30.Warp first ground plate 90 is grounded on the protective cover 15 the first contact port 61 through contact with grounding bracket 70, and the second connectivity port 62a can be grounded on the protective cover 15 through second ground plate 80, grounding bracket 70 and first ground plate 90.
According to this embodiment, can compensate the difference in height between first connectivity port 61 and the second connectivity port 62a by grounding bracket 70.In addition; Ground structure can be attached on first printed circuit board (PCB) 30 at an easy rate; Because; Because first ground plate 90 and second ground plate 80 combine with the sweep 14c of grounding bracket 70 and/or plate bearing support 14 through the simple joint that inserts, so can be with first connectivity port 61 and the second connectivity port 62a ground connection.
In addition, because first retained part 91 of first ground plate 90 combines with grounding bracket 70, and first contact portion 92 is formed 15 extensions from first retained part 91 towards protective cover, so first ground plate 90 also can contact with protective cover 15.
As stated, display unit 1 is provided with ground structure, and this ground structure can compensate with first and second connectivity ports 61 of different projecting heights installations and the difference in height of 62a, and is easy to make connectivity port 61 and 62a ground connection.
In addition; The invention provides display unit with network function; Can utilize through this network function and the printed circuit board (PCB) that is used to handle first circuit block 40 of picture signal and is used to handle the second circuit piece 50 of the data that receive or send through network to be installed to carry out data transmission/reception.
In addition, the invention provides display unit 1, wherein first circuit block 40 and second 50 are installed on first printed circuit board (PCB) 30, reduced overheated possibility effectively.
Although illustrated and described certain exemplary embodiment of the present invention; But it should be appreciated by those skilled in the art that; Can under the situation that does not deviate from principle of the present invention and spirit, make change to these embodiment, scope of the present invention limits in appended claim and equivalents thereof.
The application requires to enjoy on June 30th, 2005 in the korean patent application No.2005-0058102 of Korea S Department of Intellectual Property submission and the priority of No.2005-0058101, and whole disclosures of this patent application are hereby incorporated by.

Claims (24)

1. display unit with the display assembly that is used for display image, it comprises:
First printed circuit board (PCB), it is arranged on the rear side of this display assembly;
Protective cover, it covers the rear side of first printed circuit board (PCB), so that first printed circuit board (PCB) is contained in wherein;
First connectivity port, it is installed in the edge part office of first printed circuit board (PCB), and highly outstanding with first from the surface of first printed circuit board (PCB);
At least one second connectivity port, its contiguous first connectivity port is installed on first printed circuit board (PCB), and from the surface of first printed circuit board (PCB) second highly outstanding with first height that is different from first connectivity port;
Grounding bracket, it combines with first printed circuit board (PCB) and places on first and second connectivity ports, so that contact with first connectivity port;
Second ground plate, it is arranged between the grounding bracket and second connectivity port, so that contact with second connectivity port with grounding bracket; And
First ground plate, it places between protective cover and the grounding bracket, so that contact with grounding bracket with protective cover, makes grounding bracket be grounded on the protective cover.
2. according to the display unit of claim 1, wherein, first connectivity port comprises lan port, and second connectivity port comprises USB port.
3. according to the display unit of claim 2, wherein, further comprise:
The plate bearing support, it is arranged between the display assembly and first printed circuit board (PCB), so that support first printed circuit board (PCB).
4. according to the display unit of claim 3, wherein, the plate bearing support comprises base plate, and the first printed circuit board (PCB) position on it; And extension board, this extension board is crooked and have a port exposed hole that exposes first and second connectivity ports from an end of base plate.
5. according to the display unit of claim 4, wherein, second ground plate comprises:
Second retained part, it combines with grounding bracket, thereby grounding bracket is inserted in second retained part; And
Second contact portion, it extends towards second connectivity port from second retained part, so that when second retained part combines with grounding bracket, contact with second connectivity port.
6. according to the display unit of claim 5, wherein, first ground plate comprises:
First retained part, it contacts with protective cover, and combines with the plate bearing support, makes the plate bearing support be inserted in first retained part; And
First contact portion, it extends towards grounding bracket from first retained part, so that when first retained part combines with the plate bearing support with protective cover, contact grounding bracket.
7. according to the display unit of claim 5, wherein, extension board comprises a sweep in its end, and this sweep is crooked towards first printed circuit board (PCB); First ground plate comprises first retained part and first contact portion; Wherein this first retained part combines with the plate bearing support to make that the sweep of extension board is inserted in first retained part; This first contact portion is extended towards grounding bracket from first retained part; So that when first retained part contacts with the plate bearing support, contact with grounding bracket, first retained part is through contacting and ground connection with protective cover.
8. according to the display unit of claim 3, wherein, further comprise:
Second printed circuit board (PCB), its contiguous first printed circuit board (PCB) combines with the rear side of plate bearing support, and a plurality of power circuit devices are installed on second printed circuit board (PCB).
9. according to Claim 8 display unit, wherein:
First printed circuit board (PCB) comprises first circuit block and second circuit piece, and first circuit block is installed on first printed circuit board (PCB), and in order to display assembly picture signal to be provided, the second circuit piece is used to handle the data that receive and send through network;
First printed circuit board (PCB) comprises first and second sides respect to one another; And
From the marginal portion of second side of first printed circuit board (PCB) second circuit piece is installed, wherein first side is a side of contiguous second printed circuit board (PCB).
10. according to the display unit of claim 9, wherein, the second circuit piece comprises:
NCB, it is connected to network so that transmit and receive data according to predetermined communication protocol;
DSB data store block, its storage are used at least one control routine that the data that receive through NCB and send are handled;
Memory block, control routine are loaded into wherein;
Primary processor, it is loaded into memory block with control routine and carries out this control routine, and
The bridge joint piece is used to manage the exchanges data between primary processor and the DSB data store block.
11. according to the display unit of claim 10, wherein, primary processor is arranged on the position of second side of contiguous first printed circuit board (PCB).
12. according to the display unit of claim 11, wherein, primary processor will be vision signal through the transformation of data that NCB receives, and to this vision signal of first circuit block output.
13. according to the display unit of claim 12, wherein, lan port and USB port are installed on the marginal portion of the 3rd side of first printed circuit board (PCB).
14. display unit according to claim 13; Wherein, First printed circuit board (PCB) comprises image input port and output end of image mouth, and the image input port is installed on the marginal portion of first printed circuit board (PCB), is used to receive the received image signal that is input to first circuit block; The output end of image mouth is installed on the marginal portion of first printed circuit board (PCB), is used to export the picture signal from first circuit block.
15. display unit according to claim 14; Wherein, First printed circuit board (PCB) comprises the low-voltage differential signal out connector on the marginal portion of the 4th side that is installed in first printed circuit board (PCB), is used for the output image signal from first circuit block is sent to display assembly.
16. according to the display unit of claim 11, wherein:
The second circuit piece further comprises initialization routine piece and transition minimized differential signal transmission block, and the initialization routine piece is used for when startup electric power is input to the second circuit piece the second circuit initialization block; Transition minimized differential signal transmission block is used for changing the picture signal of primary processor output into transition minimized differential signal form, and the picture signal that will change outputs to first circuit block; And
The contiguous primary processor of NCB, DSB data store block, memory block, initialization routine piece and transition minimized differential signal transmission block is installed on first printed circuit board (PCB).
17. the display unit with the display assembly that is used for display image, it comprises:
The plate bearing support, it is arranged on the rear side of display assembly;
Second printed circuit board (PCB), it is attached to the back side of plate bearing support and is provided with a plurality of power circuit devices;
First printed circuit board (PCB); It is attached on the back side of plate bearing support near second printed circuit board (PCB); This first printed circuit board (PCB) has first side of contiguous second circuit board setting and second side relative with first side; And having first circuit block and the second circuit piece that is used to handle the data that receive and send through network that is used for providing picture signal to display assembly, the second circuit piece begins to be arranged on first printed circuit board (PCB) from the marginal portion of second side relative with first side of first printed circuit board (PCB);
Protective cover, it is used to cover the rear side of first printed circuit board (PCB), so that first printed circuit board (PCB) is contained in wherein;
First connectivity port, it is installed in marginal portion on first printed circuit board (PCB) and highly outstanding with first from the surface of first printed circuit board (PCB);
At least one second connectivity port, its contiguous first connectivity port is installed on first printed circuit board (PCB), and from the surface of first printed circuit board (PCB) second highly outstanding with first height that is different from first connectivity port;
Grounding bracket, it combines with first printed circuit board (PCB), and places on first and second connectivity ports, so that contact with first connectivity port;
Second ground plate, it is arranged between the grounding bracket and second connectivity port, so that contact with second connectivity port with grounding bracket; And
First ground plate, it places between protective cover and the grounding bracket, so that contact with grounding bracket with protective cover, thereby grounding bracket is received on the protective cover.
18. a display unit, it comprises:
Circuit board, it places display unit inner;
First and second connectivity ports, its surface from circuit board is highly outstanding with first and second, so that display unit is connected at least one in external network and the ancillary equipment;
Protective cover, it is used to provide ground connection;
Grounding bracket, it places between the protective cover and first and second connectivity ports, is used for contacting with protective cover, and itself and circuit board highly separate with the 3rd, make the middle flat of grounding bracket contact with at least one surface of first and second connectivity ports; And
First and second ground plates, they all contact with grounding bracket, and first ground plate contacts with at least one of first and second connectivity ports, and second ground plate contacts with protective cover.
19. according to the display unit of claim 18, wherein, first and second ground plates comprise first and second retained parts of the end of corresponding clamping first and second ground plates.
20. according to the display unit of claim 18, wherein, first connectivity port is grounded to protective cover through first ground plate and grounding bracket.
21. according to the display unit of claim 18, wherein, second connectivity port is grounded to protective cover through second ground plate, grounding bracket and first ground plate.
22. according to the display unit of claim 18, wherein, first height is greater than second height.
23., wherein, further comprise according to the display unit of claim 18:
Second circuit board, its contiguous said circuit board setting, and have the power unit that is used for providing electric power to said circuit board,
Wherein said circuit board comprises the microprocessor that is oppositely arranged with respect to the core of second circuit board and second circuit board.
24., wherein, further comprise according to the display unit of claim 18:
Second circuit board, its contiguous said circuit board setting, and have the power unit that electric power is provided to said circuit board,
Wherein said circuit board comprises first side that contiguous second circuit board is provided with; With respect to the core of said circuit board second side relative with first side; And separate first distance and separate the microprocessor of second distance with second side with first side, wherein second distance is less than first distance.
CN2006100940031A 2005-06-30 2006-06-16 Display apparatus having a display module that supports various functions Expired - Fee Related CN1893787B (en)

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KR1020050058101A KR100607680B1 (en) 2005-06-30 2005-06-30 Display apparatus

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JP2011077446A (en) * 2009-10-01 2011-04-14 Sanyo Electric Co Ltd Shield case and image display device
KR20120080854A (en) 2011-01-10 2012-07-18 삼성모바일디스플레이주식회사 Flexible printed circuit board connector

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