CN106412536A - System for realizing high-resolution projection display through DMD chip splicing - Google Patents
System for realizing high-resolution projection display through DMD chip splicing Download PDFInfo
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- CN106412536A CN106412536A CN201610861478.2A CN201610861478A CN106412536A CN 106412536 A CN106412536 A CN 106412536A CN 201610861478 A CN201610861478 A CN 201610861478A CN 106412536 A CN106412536 A CN 106412536A
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- dmd
- display unit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Projection Apparatus (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention relates to the field of projection display. The invention provides a system for realizing high-resolution projection display through DMD chip splicing. DMD chips are used as sub-display units to be aligned and arranged in ranks, and the rank number is determined according to the to-be-realized resolution and the resolution of the DMD chip. Each DMD sub-display unit is corresponding to a sub-display unit drive circuit, a signal segmenting unit is used for segmenting an input signal, the segmented input signal is distributed to each sub-display unit drive circuit to control the DMD sub-display unit, and the high resolution projection display is realized in matching with an optical imaging system.
Description
Technical field
The present invention relates to field of projection display, specifically, it is related to one kind and high-resolution throwing is realized by dmd chip splicing
The system that shadow shows.
Background technology
The occasion needing high-resolution Projection Display gets more and more, but the high-resolution projection using DMD display chip
Instrument is very expensive, and resolution is usually no more than 4K.It main reason is that the DMD price of 2K and above resolution is very high,
And there is presently no the DMD chip higher than 4K.Realizing a kind of common method that 4K or more resolution projection shows is to use
Multiple stage projector carries out splicing and merges, and this mode cost is equally very high, installs and debugging all bothers very much.Using institute of the present invention
The system realizing high-resolution Projection Display by dmd chip splicing using, can be greatly reduced cost, and picture quality
Greatly improve with color uniformity.
Content of the invention
The present invention relates to field of projection display, present invention offer is a kind of to be spelled using the sub- display unit of low resolution dmd chip
Connect the system realizing high-resolution Projection Display.Specifically include：
Single dmd chip is a sub- display unit, and M × N number of DMD display unit constitutes whole display unit.
Signal cutting unit, it act as received image signal being divided into M × N sub-image signals.
DMD display unit drive circuit.
Optical imaging system.
M × N number of DMD display unit constitutes whole display unit.The resolution of DMD display unit is unrestricted, M
Determine with resolution needed for Projection Display of the quantity of N and DMD display unit resolution.
The arrangement mode of DMD subelement is often M dmd chip of row, and the N number of dmd chip of each column constitutes DMD array of display,
Between DMD display unit, spacing is as far as possible little.
All DMD display units are fixed on substrate, substrate have sub- display unit power and peripheral circuit, and substrate is carried on the back
Heat abstractor is installed afterwards.
Signal cutting unit receives input picture signal, and correspondence is divided into MxN sub-image signals, each subimage
Signal correspondence inputs to DMD display unit drive circuit.
DMD display unit driver element receives sub-image signals, respectively corresponding driving DMD display unit.
Spliced DMD array of display, shares a set of optical system.
Brief description：
Fig. 1：A kind of system structure realizing high-resolution Projection Display by dmd chip splicing；
Fig. 2：The system structure of high-resolution Projection Display is realized in the sub- display unit splicing of 2 X 2；
Fig. 3：The sub- display unit of 2 X 2 splices example.
Specific embodiment：
In order to inexpensive realizes high-resolution Projection Display, the present invention proposes system and side by dmd chip tiled display
Method.It is further described by a kind of embodiment of the present invention in conjunction with accompanying drawing.
Fig. 2 is a kind of system structure realizing high-resolution Projection Display by dmd chip splicing.Specifically include：
Single dmd chip is a sub- display unit, and M × N number of DMD display unit constitutes whole display unit；
Signal cutting unit, it act as received image signal being divided into M × N sub-image signals；
DMD display unit drive circuit；
Optical imaging system.
The final display resolution of system is 3840x2160, and the resolution of the dmd chip of employing is 1920x1080, splicing
Arrangement mode be 2x2, such as accompanying drawing 3.
Picture is divided into 2x2 sub- picture signal by signal cutting unit, and will be same respectively for the sprite signal after segmentation
Step is sent to subelement driver element.
DMD subelement driver element drives corresponding single dmd chip.
Spliced dmd array can be used as a complete high-resolution dmd chip in optical system.All DMD
Sub- display unit shares a set of optical system.
It is one embodiment of the present of invention above, be familiar with skilled artisan done under the design of the present invention
Equivalent derivative schemes belong in the range of the present invention protected.
Claims (7)
1. a kind of by dmd chip splicing realize high-resolution Projection Display system it is characterised in that include following part：
Single dmd chip is a sub- display unit, and M × N number of DMD display unit constitutes whole display unit；
Signal cutting unit, it act as received image signal being divided into M × N sub-image signals；
DMD display unit drive circuit；
Optical imaging system.
2. the system realizing high-resolution Projection Display by dmd chip splicing according to claim 1, its feature exists
In M × N number of DMD display unit constitutes whole display unit, and the resolution of DMD display unit is unrestricted, M's and N
Resolution needed for Projection Display for the quantity and DMD display unit resolution determine.
3. the system realizing high-resolution Projection Display by dmd chip splicing according to claim 1, its feature exists
In the arrangement mode of DMD subelement is often M dmd chip of row, and the N number of dmd chip of each column constitutes DMD array of display, DMD
Between display unit, spacing is as far as possible little.
4. the system realizing high-resolution Projection Display by dmd chip splicing according to claim 1, its feature exists
In all DMD display units are fixed on substrate, substrate have sub- display unit power and peripheral circuit, and substrate is pacified behind
Dress heat abstractor.
5. the system realizing high-resolution Projection Display by dmd chip splicing according to claim 1, its feature exists
In, signal cutting unit receives input picture signal, and correspondence is divided into M × N number of sub-image signals, each sub-image signals
Correspondence inputs to DMD display unit drive circuit.
6. the system realizing high-resolution Projection Display by dmd chip splicing according to claim 1, its feature exists
In DMD display unit driver element receives sub-image signals, respectively corresponding driving DMD display unit.
7. the system realizing high-resolution Projection Display by dmd chip splicing according to claim 1, its feature exists
In, spliced DMD array of display, share a set of optical system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610861478.2A CN106412536A (en) | 2016-09-29 | 2016-09-29 | System for realizing high-resolution projection display through DMD chip splicing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610861478.2A CN106412536A (en) | 2016-09-29 | 2016-09-29 | System for realizing high-resolution projection display through DMD chip splicing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106412536A true CN106412536A (en) | 2017-02-15 |
Family
ID=58015702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610861478.2A Pending CN106412536A (en) | 2016-09-29 | 2016-09-29 | System for realizing high-resolution projection display through DMD chip splicing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390458A (en) * | 2017-09-07 | 2017-11-24 | 山东乐讯光电有限公司 | A kind of fine definition projection arrangement |
| CN112133209A (en) * | 2020-09-09 | 2020-12-25 | 苏州东岩电子科技有限公司 | Seamless splicing method for images of projection display equipment |
| WO2023273435A1 (en) * | 2021-06-30 | 2023-01-05 | 青岛海信激光显示股份有限公司 | Projection display device, method and system |
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| CN101498812A (en) * | 2008-01-30 | 2009-08-05 | 黄峰彪 | Method for integrating multiple images into one image and its display module |
| CN101778232A (en) * | 2009-01-09 | 2010-07-14 | 深圳中电数码显示有限公司 | DLP display screen system and splicing method thereof |
| CN201654428U (en) * | 2010-02-11 | 2010-11-24 | 北京中视中科光电技术有限公司 | Large-screen projection system |
| CN103037188A (en) * | 2011-09-30 | 2013-04-10 | 吴小平 | Projector special for crosswise splicing and cinema projecting apparatus formed by the same |
| CN104570331A (en) * | 2015-01-31 | 2015-04-29 | 哈尔滨工业大学 | Method for improving resolution of DMD (digital micro-mirror device) by means of optical assembling |
| CN105068244A (en) * | 2015-08-22 | 2015-11-18 | 哈尔滨工业大学 | Resolution enhancement method realized through DMD splicing |
| CN105516619A (en) * | 2016-01-26 | 2016-04-20 | 深圳市维冠视界科技股份有限公司 | Four K splicing processor and four K splicing display system |
| CN105573024A (en) * | 2015-12-18 | 2016-05-11 | 深圳市帅映科技有限公司 | 4K projector |
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Patent Citations (8)
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| CN101498812A (en) * | 2008-01-30 | 2009-08-05 | 黄峰彪 | Method for integrating multiple images into one image and its display module |
| CN101778232A (en) * | 2009-01-09 | 2010-07-14 | 深圳中电数码显示有限公司 | DLP display screen system and splicing method thereof |
| CN201654428U (en) * | 2010-02-11 | 2010-11-24 | 北京中视中科光电技术有限公司 | Large-screen projection system |
| CN103037188A (en) * | 2011-09-30 | 2013-04-10 | 吴小平 | Projector special for crosswise splicing and cinema projecting apparatus formed by the same |
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| CN105068244A (en) * | 2015-08-22 | 2015-11-18 | 哈尔滨工业大学 | Resolution enhancement method realized through DMD splicing |
| CN105573024A (en) * | 2015-12-18 | 2016-05-11 | 深圳市帅映科技有限公司 | 4K projector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390458A (en) * | 2017-09-07 | 2017-11-24 | 山东乐讯光电有限公司 | A kind of fine definition projection arrangement |
| CN112133209A (en) * | 2020-09-09 | 2020-12-25 | 苏州东岩电子科技有限公司 | Seamless splicing method for images of projection display equipment |
| WO2023273435A1 (en) * | 2021-06-30 | 2023-01-05 | 青岛海信激光显示股份有限公司 | Projection display device, method and system |
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Application publication date: 20170215 |