DMD module, DLP machine and DLP projection device
A component and fixing technology, applied in the field of optics and projection, can solve the problems of poor contact between the DMD chip and the driver board, the image quality of the optical system, the relative position displacement of the components, etc. quality effect
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[0031] The present invention will be further described below with reference to the accompanying drawings and exemplary embodiments, wherein the same reference numerals in the accompanying drawings all refer to the same components. Also, detailed descriptions of known arts will be omitted if they are unnecessary to illustrate the features of the present invention.
[0032] A schematic structural view of a typical embodiment of a DMD assembly provided by the present invention is shown in 2 to 4. The DMD assembly includes a DMD chip 1, a main housing 2, a drive board 3, a fixing piece 4, a heat sink 5 and screws 6.
[0033] Wherein, the main housing 2 is provided with a placement groove (not marked) for installing and fixing the DMD chip 1, and the main housing 2 is preferably the main housing in the DMD optical-mechanical assembly (or integrally arranged on the DMD optical on the main housing in the machine assembly). The DMD chip 1 and the driver board 3 adopt point-type elec...
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