CN101783914B - Mainboard device of display board circuit of LED (Light Emitting Diode) panel TV set - Google Patents
Mainboard device of display board circuit of LED (Light Emitting Diode) panel TV set Download PDFInfo
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- CN101783914B CN101783914B CN2010100005346A CN201010000534A CN101783914B CN 101783914 B CN101783914 B CN 101783914B CN 2010100005346 A CN2010100005346 A CN 2010100005346A CN 201010000534 A CN201010000534 A CN 201010000534A CN 101783914 B CN101783914 B CN 101783914B
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Abstract
The invention discloses a mainboard device of a display board circuit of an LED panel TV set, which can apply an LED panel to a TV display screen. The mainboard device is characterized by comprising a top major surface, a middle multi-stage board surface and a bottom major surface which are adhered together in sequence; the top major surface is provided with a current-driven LED pixel matrix; the middle multi-stage board surface is provided with a plurality of line control signal wires and a plurality of image data control signal wires; the bottom major surface is provided with a constant flow source chip and a connector assembly; the constant flow source chip carries out implementation on each pixel point of the top major surface and controls the image data control signal wires; and the connector assembly transmits the line control signal wires and inputs the power supply wire, the digital signal wire, the clock wire, the latch wire and the enable wire of the constant flow source chip.
Description
Technical field
The invention belongs to LED panel TV set display board circuit device field, especially a kind of LED panel TV set display board circuit master board device.
Background technology
In recent years, because LED shows the progressively development of industry, more and more higher to the device integration density and the functional requirement of the circuit substrate of display panel.Display panel is a vitals of TV as the display unit of LED panel TV set, and how to develop the display board circuit device that really is used for the LED panel TV set is the constantly themes of research and development of people always.
Summary of the invention
The purpose of this invention is to provide a kind of LED panel TV set display board circuit master board device that the LED panel can be used for the television display screen curtain
Technical scheme of the present invention is: LED panel TV set display board circuit master board device, it is characterized in that forming by top layer interarea, middle multi-stage board surface and bottom interarea, described top layer interarea, middle multi-stage board surface and bottom interarea are pasted by order from top to bottom and are pressed together, and the top layer interarea is provided with the LED picture element matrix of current drive-type; Middle multi-stage board surface is provided with many capable control signal wires and multiple bar chart as the data controlling signal line, described capable control signal wire provides anodal input voltage digital signal to each pixel in the picture element matrix, and described view data control signal wire provides the negative pole input picture to convert the digital current signal to each pixel in the picture element matrix; The bottom interarea is provided with constant-current source chip and connector, described constant-current source chip is lighted control to each pixel of top layer interarea, above-mentioned view data control signal wire, many capable control signal wires of described connector transmission and import the constant-current source chip power line, digital signal line, clock line, latch line, enable line.
Each pixel in the described pel array is controlled as the data controlling signal line with its negative pole multiple bar chart of input by many capable control signal wires of its positive pole of input respectively, and the digital electric signal that described capable control signal wire and view data control signal wire transform according to image information is input to each pixel by connector and carries out the television image demonstration.
Many capable control signal wires of the light-emitting diode in each pixel are the link to each other carriers of the grouped data that constitutes timesharing scanning of anodal grouping, described timesharing scan-data be exactly capable control signal after each grouping be the data of importing at times.
The constant-current source chip carries out work after by connector input power supply, digital signal line, clock line that will be by connector output, latch line, enable line is exported as the data controlling signal line with multiple bar chart; Described multiple bar chart is realized control output as the data controlling signal line is input to the negative pole of light-emitting diode in each pixel on the top layer interarea.
Effect of the present invention is: the LED panel TV set is LED self-emitting light source each pixel as whole TV set panel, the invention of LED panel TV set display board circuit substrate is exactly by to the data message of input picture and the processing of control information, thereby finishes each pixel that makes this panel realizes television image according to input demonstration.
The present invention is described further below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a schematic block circuit diagram of the present invention;
Fig. 3 is circuit theory diagrams of the present invention.
Embodiment
Among Fig. 1, LED panel TV set display board circuit master board device, be made up of top layer interarea 1, middle multi-stage board surface 2 and bottom interarea 3, top layer interarea, middle multi-stage board surface and bottom interarea are pasted in proper order and are pressed together, and the top layer interarea is provided with the LED picture element matrix 4 of current drive-type.Middle multi-stage board surface is provided with many capable control signal wires and multiple bar chart as the data controlling signal line, described capable control signal wire provides anodal input voltage digital signal to each pixel in the picture element matrix, and described view data control signal wire provides the negative pole input picture to convert the digital current signal to each pixel in the picture element matrix; The bottom interarea is provided with constant-current source chip and connector, described constant-current source chip is lighted control to each pixel of top layer interarea, above-mentioned view data control signal wire, many capable control signal wires of described connector transmission and import the constant-current source chip power line, digital signal line, clock line, latch line, enable line (referring to Fig. 2).
Each pixel in the pel array is controlled as the data controlling signal line with its negative pole multiple bar chart of input by many capable control signal wires of its positive pole of input respectively, and the digital electric signal that described capable control signal wire and view data control signal wire transform according to image information is input to each pixel by connector and carries out the television image demonstration.
Many capable control signal wires of the light-emitting diode in each pixel are the link to each other carriers of the grouped data that constitutes timesharing scanning of anodal grouping, described timesharing scan-data be exactly capable control signal after each grouping be the data of importing at times.
The constant-current source chip carries out work after by connector input power supply, digital signal line, clock line that will be by connector output, latch line, enable line is exported as the data controlling signal line with multiple bar chart; Described multiple bar chart is realized control output as the data controlling signal line is input to the negative pole of light-emitting diode in each pixel on the top layer interarea.
Each pixel of LED panel TV set display board circuit substrate is integrated by red, green, blue LED.Image data information when red, green, blue three looks transform according to proportion relation shows that according to monochrome implementation method can realize that the LED panel TV set shows abundant image information.
Fig. 3 is the monochromatic implementation method that shows in the LED panel TV set display board circuit substrate.
IC1 is a connector among Fig. 3; IC2 is the constant-current source chip; D1～D9 is LED; Connector IC1 is capable signal data, power line, image digital signal, clock signal, latch signal and the enable signal of the inside and outside grouping of connecting circuit substrate.
It inserts the power supply that connector IC1 provides to IC2 for the constant-current source chip, clock signal (1), enable signal (2), the circuit (6) that the build-out resistor that the view data output signal (4) of cascade between the input image data signal of cascade (3), the chip between the chip, latch signal (5) and constant-current source chip are built for the monochromatic matching current of realization constitutes afterwards, IC2 is promptly in running order, the viewdata signal output of IC2 this moment after with conversion processing is input to LED matrix correspondence port with this signal by (10), (11), (12) passage.
D1, D2, D3 forms picture element matrix first row, D4, D5, D6 forms picture element matrix second row, D7, D8, D9 forms picture element matrix the third line, capable signal data (7), (8), (9) that are grouped are the port line of input scan-datas by IC2, the line scanning data are according to transmitting at times, are three groups as legend, when line scanning data (7) transmission work (8), (9) circuit is in non operating state, and three line data carry out being shorter than sweep time the scanning frequency that human eye promptly reaches standard to response time of moving image can make the observer see complete image.
D1, D4, the negative pole of D7 are connected and consist of first row, D2, D5, D8 and D3, D6, D9 are connected by negative pole to become secondary series and the 3rd row, the data of IC2 output are input to the negative pole of this LED of three groups simultaneously by (10), (11), (12), the data of input are when showing according to monochrome image, and after LED brightness classification, the current data of digital form is transferred to negative pole and makes the different brightness of LED demonstration.
Claims (1)
1.LED panel TV set display board circuit master board device, it is characterized in that forming by top layer interarea, middle multi-stage board surface and bottom interarea, described top layer interarea, middle multi-stage board surface and bottom interarea are pasted by order from top to bottom and are pressed together, and the top layer interarea is provided with the LED picture element matrix of current drive-type; Middle multi-stage board surface is provided with many capable control signal wires and multiple bar chart as the data controlling signal line, described capable control signal wire provides anodal input voltage digital signal to each pixel in the picture element matrix, the digital current signal that described view data control signal wire provides the negative pole input picture to convert to each pixel in the picture element matrix; The bottom interarea is provided with constant-current source chip and connector, described constant-current source chip is lighted control to each pixel of top layer interarea, above-mentioned view data control signal wire, many capable control signal wires of described connector transmission and import the constant-current source chip power line, digital signal line, clock line, latch line, enable line
Wherein, each pixel in the described picture element matrix is controlled as the data controlling signal line with its negative pole multiple bar chart of input by many capable control signal wires of its positive pole of input respectively, the digital electric signal that described capable control signal wire and view data control signal wire transform according to image information is input to each pixel by connector and carries out the television image demonstration, many capable control signal wires of the light-emitting diode in each pixel are the continuous carriers that constitutes the grouped data of timesharing scanning of anodal grouping, the grouped data of described timesharing scanning is exactly the data that the capable control signal after each grouping is imported at times, the constant-current source chip carries out work after importing power supply by connector, will be by the digital signal line of connector output, clock line, latch line, enable line is exported as the data controlling signal line with multiple bar chart; Described multiple bar chart is realized control output as the data controlling signal line is input to the negative pole of light-emitting diode in each pixel on the top layer interarea.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100005346A CN101783914B (en) | 2010-01-12 | 2010-01-12 | Mainboard device of display board circuit of LED (Light Emitting Diode) panel TV set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010100005346A CN101783914B (en) | 2010-01-12 | 2010-01-12 | Mainboard device of display board circuit of LED (Light Emitting Diode) panel TV set |
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| Publication Number | Publication Date |
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| CN101783914A CN101783914A (en) | 2010-07-21 |
| CN101783914B true CN101783914B (en) | 2011-08-31 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6606088B1 (en) * | 2000-07-15 | 2003-08-12 | Mosel Vitelic Inc. | LCD panel signal processor |
| CN2763931Y (en) * | 2004-04-22 | 2006-03-08 | 康佳集团股份有限公司 | LED screen driving controller |
| CN201017609Y (en) * | 2007-03-28 | 2008-02-06 | 深圳市同洲电子股份有限公司 | Display control system of large-sized LED display screen |
| CN101404841A (en) * | 2008-10-31 | 2009-04-08 | 浙江大学 | Parallel LED driving method and system based on three-dimensional display |
-
2010
- 2010-01-12 CN CN2010100005346A patent/CN101783914B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6606088B1 (en) * | 2000-07-15 | 2003-08-12 | Mosel Vitelic Inc. | LCD panel signal processor |
| CN2763931Y (en) * | 2004-04-22 | 2006-03-08 | 康佳集团股份有限公司 | LED screen driving controller |
| CN201017609Y (en) * | 2007-03-28 | 2008-02-06 | 深圳市同洲电子股份有限公司 | Display control system of large-sized LED display screen |
| CN101404841A (en) * | 2008-10-31 | 2009-04-08 | 浙江大学 | Parallel LED driving method and system based on three-dimensional display |
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| CN101783914A (en) | 2010-07-21 |
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Owner name: SHENZHEN LEYARD OPTO-ELECTRONIC CO., LTD. Free format text: FORMER OWNER: LEYARD PHOTOELECTRIC CO., LTD. Effective date: 20130527 |
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Free format text: CORRECT: ADDRESS; FROM: 100091 HAIDIAN, BEIJING TO: 518109 SHENZHEN, GUANGDONG PROVINCE |
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Effective date of registration: 20130527 Address after: 518109 Guangdong province Shenzhen city Baoan District Road, Dalang street, Hua Fan anda science and Technology Industrial Park, building four, the first two layer third East separator Patentee after: Shenzhen Leyard Optoelectronic Co., Ltd. Address before: 100091 Beijing, the Summer Palace, north of the north is red flag No. 9 West Street, Haidian District Patentee before: Leyard Photoelectric Co., Ltd. |