CN100353404C - High resolution ratio driving method for LED colour displaying board - Google Patents
High resolution ratio driving method for LED colour displaying board Download PDFInfo
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- CN100353404C CN100353404C CNB021468621A CN02146862A CN100353404C CN 100353404 C CN100353404 C CN 100353404C CN B021468621 A CNB021468621 A CN B021468621A CN 02146862 A CN02146862 A CN 02146862A CN 100353404 C CN100353404 C CN 100353404C
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- emitting diode
- light emitting
- point
- light
- led
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Abstract
The present invention discloses a high resolution ratio driving method for an LED full color displaying board. The present invention is characterized in that LED pixels with three primary colors are arranged and combined into an LED array in a special way, and the LED array is controlled by a staggered scanning circuit. Therefore, a new pixel can be inserted between the two adjacent pixels to display, and the resolution ratio of the LED full color display board is improved.
Description
Technical field
The present invention is about the driving method of a kind of light emitting diode (LED) full color display plate, particularly about a kind of driving method that utilizes the mode of interlacing with the resolution of raising light emitting diode full color display plate.
Background technology
The light emitting diode full color display plate extensively applies to billboard, outdoor activities and the live instant playback of competing at present, by the control of computer various images is play on large-scale display screen, obtains the on-the-spot masses' approval and support thus.
The light emitting diode full color display plate is via computer control, literal, figure, image can be done synthetic drawing processing by the animation and the drawing software of specialty, and solid changes, the effect of continuous animation and produce.In addition, the light emitting diode full color display plate can be believed processing capacity in conjunction with multimedia video, provides AV to be connected video camera, Video Recorder, televisor with the S terminal, via transmission interface at a high speed the various pictures on the computer screen is shown synchronously again.Because the light emitting diode full color display plate has beautiful color and the characteristic that abundant picture changes, so can attract onlooker group deeply, reaches maximum advertisement effectiveness.
Generally speaking, known light emitting diode full color display plate system 10 is divided into three partly, and as shown in Figure 1, it is made up of a master control computer 11, a signal reception interface 12 and a driver element 13.This master control computer 11 uses animation programs that data makes such as literal, figure, image are become behind the animation archives according to the sequential permutation and combination, directly or be sent to this signal receive interface 12 behind the line of networking.These signal reception interface 12 and these master control computer 11 lines, the computer picture mapping ground that is used for this master control computer 11 is transmitted stores and ordering.This driver element 13 comprises power supply to be supplied with, and a built-in processor can drive the led array of different colours, various combination according to the display mode of setting.
The image 20 that on behalf of a desire, Fig. 2 show, it is the display frame in dynamically showing.This is desired show image 20 and is made up of a plurality of pixels (pixel), wherein each pixel is represented by the row coordinate of the point coordinate of transverse axis and the longitudinal axis, for example this image 20 is made up of 640 point coordinate and 480 row coordinates, but also may be made up of higher resolution.In addition, each pixel of this image 20 is a colored demonstration, and on behalf of each pixel, it be made of Red Green Blue.
Fig. 3 is a known luminescence diode full color display plate 30, and it is made up of a plurality of LED pixel 31, and each LED pixel 31 all corresponds to a pixel of desiring show image 20.Because desiring the pixel of show image 20 is to represent with colour, therefore each LED pixel 31 all has four LED points (dot) 32, be respectively two red LED points, a green LED point and a blue led point, and form the pixel of this desire show image 20 via the colourity of these four LED points 32 and brightness combination.
Known luminescence diode full color display plate 30 is only to correspond to a pixel of desiring show image 20 with a LED pixel 31, so resolution is restricted, and does not meet the essence demand of moderns to the high image quality screen.
Summary of the invention
Fundamental purpose of the present invention provides a kind of driving method of light emitting diode full color display plate, and it can utilize the mode of interlacing significantly to improve the resolution of light emitting diode full color display plate under the condition that does not change the light emitting diode number.
For reaching above-mentioned purpose, the driver element that the present invention is directed to the light emitting diode full color display plate partly proposes a kind of resolution multiplied driving method.The invention is characterized in will have trichromatic LED pixel in a particular manner permutation and combination become a led array, and utilize a crosslinked scanning circuit to control this led array, make it can between adjacent pixels, insert a new pixel again and show, and the resolution of light emitting diode full color display plate is improved.
The high resolving power driving method of the light emitting diode full color display plate of most preferred embodiment of the present invention comprises step (a) to step (c).At step (a), a light emitting diode full color display plate is provided, it has formed first light emitting diode matrix of a plurality of first light-emitting diode pixels of diamond array; Wherein each first light-emitting diode pixel has top light emitting diode point, below light emitting diode point, left side light emitting diode point and the right light emitting diode point.At step (b), export this first light emitting diode matrix to desiring the odd point signal of odd column of show image and the even number point signal of even column.At step (c), export one second light emitting diode matrix to desiring the even number point signal of odd column of show image and the odd point signal of even column, wherein this second light emitting diode matrix comprises a plurality of second light-emitting diode pixels with diamond array, and each second light-emitting diode pixel has the right light emitting diode point of the first adjacent light-emitting diode pixel of the left side, the left side light emitting diode point of first light-emitting diode pixel that the right is adjacent, the top light emitting diode point of first light-emitting diode pixel that the below light emitting diode point of first light-emitting diode pixel that the top is adjacent is adjacent with the below.
Description of drawings
The present invention will illustrate according to the accompanying drawing of back, wherein:
Fig. 1 is the system diagram of a known luminescence diode full color display plate;
Fig. 2 is the image that a desire shows;
Fig. 3 is a known luminescence diode full color display plate;
Fig. 4 is the module figure of the driver element of light emitting diode full color display plate of the present invention system;
Fig. 5 is the Pareto diagram of the light emitting diode full color display plate of preferred embodiment of the present invention; And
Fig. 6 (a) is the interlacing formation figure of preferred embodiment of the present invention to 6 (b).
The component symbol explanation
10 known luminescence diode full color display plate systems
11 master control computers, 12 signal reception interfaces
13 driver elements 20 are desired show image
30 known luminescence diode full color display plate
31 known LED pixel 32 known LED points
41 crosslinked scanning circuit 42LED driving circuits
The 43LED array
The preferred embodiment explanation
Fig. 4 is the module map of driver element of the present invention, and it comprises a crosslinked scanning circuit 41, a led drive circuit 42 and a led array 43.This crosslinked scanning circuit 41 successively shows display pattern (for example desire display pattern 20 of Fig. 2) in the mode every a some distance, and raising resolution.This led drive circuit 42 is luminous in order to drive this led array 43, and has low-voltage, low power consumption, long-life and react characteristic fast.This led array 43 has a special arrangement, the described diamond array of preferred embodiment for example of the present invention.LED driver element 13 of the present invention utilizes this crosslinked scanning circuit 41 will desire the show image signal and exports this led drive circuit 42 to, and with this led drive circuit 42 this led array 43 is lighted with the show image picture.
Fig. 5 is the Pareto diagram of the light emitting diode full color display plate of preferred embodiment of the present invention.This arrangement mode presents a rhombus matrix, it is staggered to a led array with redness, green and blue led in equidistant mode, and uses two red LED, green LED and blue led to form a basic LED pixel in the mode of diamond array.
The formation of one display frame of preferred embodiment of the present invention forms via the interlacing of secondary, shown in Fig. 6 (a) and 6 (b).Fig. 6 (a) shows scanning for the first time, and it will desire the odd point signal of odd column of show image and the even number point signal of even column exports led drive circuit 42 to, and led array 43 is lighted.At this moment, the formation of led array 43 interior pixels manifests with normal mode.Fig. 6 (b) shows scanning for the second time, and it will desire the even number point signal of odd column of show image and the odd point signal of even column exports led drive circuit 42 to, and led array 43 is lighted.At this moment, the formation of led array 43 interior pixels is that four the most adjacent LED points (the below LED point of the right LED point of left side LED pixel, the left side LED point of the right LED pixel, top LED pixel, the top LED point of below LED pixel) in four LED pixels adjacent when scanning for the first time are combined into a new LED pixel.Most preferred embodiment of the present invention is lighted via Fig. 6 (a) and 6 (b) circulation, promptly forms a resolution multiplied light emitting diode full color display plate.
Technology contents of the present invention and technical characterstic are open as above, yet the personage who is familiar with this technology still may do all replacement and modifications that does not deviate from spirit of the present invention based on instruction of the present invention and announcement.Therefore, protection scope of the present invention should be not limited to that embodiment discloses, and should comprise various do not deviate from replacement of the present invention and modifications, and is contained by following claims.
Claims (3)
1, a kind of high resolving power driving method of light emitting diode full color display plate comprises the following step:
One light emitting diode full color display plate is provided, and it has formed first light emitting diode matrix of a plurality of first light-emitting diode pixels of diamond array; Wherein each first light-emitting diode pixel has top light emitting diode point, below light emitting diode point, left side light emitting diode point and the right light emitting diode point;
Export this first light emitting diode matrix to desiring the odd point signal of odd column of show image and the even number point signal of even column; And
Export one second light emitting diode matrix to desiring the even number point signal of odd column of show image and the odd point signal of even column, wherein this second light emitting diode matrix comprises a plurality of second light-emitting diode pixels with diamond array, and each second light-emitting diode pixel has the right light emitting diode point of the first adjacent light-emitting diode pixel of the left side, the left side light emitting diode point of first light-emitting diode pixel that the right is adjacent, the top light emitting diode point of first light-emitting diode pixel that the below light emitting diode point of first light-emitting diode pixel that the top is adjacent is adjacent with the below.
2, high resolving power driving method as claimed in claim 1, wherein the signal of this desire show image exports a LED driving circuit to via a crosslinked scanning circuit, drives this light emitting diode matrix again and luminous.
3, high resolving power driving method as claimed in claim 1, wherein the light-emitting diode pixel of this light emitting diode matrix comprises two red light emitting diodes points, a green LED point and a blue LED point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021468621A CN100353404C (en) | 2002-10-16 | 2002-10-16 | High resolution ratio driving method for LED colour displaying board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021468621A CN100353404C (en) | 2002-10-16 | 2002-10-16 | High resolution ratio driving method for LED colour displaying board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1490782A CN1490782A (en) | 2004-04-21 |
| CN100353404C true CN100353404C (en) | 2007-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021468621A Expired - Fee Related CN100353404C (en) | 2002-10-16 | 2002-10-16 | High resolution ratio driving method for LED colour displaying board |
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| CN (1) | CN100353404C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101006490A (en) * | 2004-08-27 | 2007-07-25 | Idc公司 | Current mode display driver circuit realization feature |
| CN101118340B (en) * | 2006-07-06 | 2012-09-05 | 亿光电子工业股份有限公司 | Configuring matrix device of primitive colours LED |
| CN101692323B (en) * | 2009-06-04 | 2011-08-10 | 福州华映视讯有限公司 | Time sequence controller having power-saving function and related display |
| CN101582241B (en) * | 2009-06-11 | 2011-10-05 | 数能科技股份有限公司 | Display method of large LED display |
| CN101673507B (en) * | 2009-08-17 | 2012-11-14 | 深圳丹邦投资集团有限公司 | Scanning system of organic light emission display |
| CN103886825B (en) * | 2014-02-21 | 2016-02-17 | 北京京东方光电科技有限公司 | The driving method of pel array and display device |
| CN104538424A (en) * | 2014-12-25 | 2015-04-22 | 信利（惠州）智能显示有限公司 | OLED pixel arrangement structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0830241A (en) * | 1993-07-30 | 1996-02-02 | Canon Inc | Liquid crystal display device and its driving method |
| US5559529A (en) * | 1992-02-26 | 1996-09-24 | Rockwell International | Discrete media display device and method for efficiently drawing lines on same |
| JPH09319332A (en) * | 1996-05-27 | 1997-12-12 | Matsushita Electric Ind Co Ltd | Led display device and led display method |
| CN1221940A (en) * | 1997-09-13 | 1999-07-07 | 潘家璋 | Display and method of controlling display |
| CN1304125A (en) * | 1999-09-01 | 2001-07-18 | 索尼公司 | Unit and device for plane display |
-
2002
- 2002-10-16 CN CNB021468621A patent/CN100353404C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5559529A (en) * | 1992-02-26 | 1996-09-24 | Rockwell International | Discrete media display device and method for efficiently drawing lines on same |
| JPH0830241A (en) * | 1993-07-30 | 1996-02-02 | Canon Inc | Liquid crystal display device and its driving method |
| JPH09319332A (en) * | 1996-05-27 | 1997-12-12 | Matsushita Electric Ind Co Ltd | Led display device and led display method |
| CN1221940A (en) * | 1997-09-13 | 1999-07-07 | 潘家璋 | Display and method of controlling display |
| CN1304125A (en) * | 1999-09-01 | 2001-07-18 | 索尼公司 | Unit and device for plane display |
Also Published As
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| CN1490782A (en) | 2004-04-21 |
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