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Optical projection system and image smoothing apparatus thereof

A technology for smoothing devices and images, applied in optics, projection devices, instruments, etc., can solve problems that affect the smoothness of images, and achieve the effects of cost saving, miniaturization cost, and small size

Inactive Publication Date: 2010-06-16
DELTA ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to maintain the mobility of the micro-mirrors 141, there is a small gap between each of the micro-mirrors 141, but after the magnification effect of the projection lens group 15, the gap is relatively enlarged, thus affecting the smoothness of the image

Method used

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  • Optical projection system and image smoothing apparatus thereof
  • Optical projection system and image smoothing apparatus thereof
  • Optical projection system and image smoothing apparatus thereof

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Embodiment Construction

[0048] Hereinafter, an optical projection system and an image smoothing device thereof according to a preferred embodiment of the present invention will be described with reference to related drawings, wherein the same components will be described with the same reference signs.

[0049] See image 3 As shown, an image smoothing device 40 according to a preferred embodiment of the present invention includes an optical element 401, a carrying element 402, an elastic element 403, a base 404, an actuating element 405, and a temperature sensing element 406.

[0050] In this embodiment, the optical element 401 can be a lens or a mirror.

[0051] The carrying element 402 is used to carry the optical element 401, and the carrying element 402 has two connecting members 4021 and a through hole 4022. The elastic element 403 can be an elastic sheet and has two cantilevers 4031.

[0052] The base 404 supports the elastic element 403, and the base 404 is provided with at least one first support 407...

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Abstract

The invention discloses an image smoothing device which comprises an optical element, a bearing element, an elastic element, a baseplate, an actuating element and a temperature sensing element. The bearing element is used for bearing the optical element. At least one part of the bearing element is connected with the elastic element. The other part of the bearing element is suspended outside the elastic element. The baseplate supports the elastic element. The actuating element is connected with and drives the bearing element to vibrate. The temperature sensing element is electrically connectedwith the actuating element and senses an environmental temperature to output a sensed value to the actuating element.

Description

Technical field [0001] The invention relates to a display system and an image smoothing device thereof, in particular to an optical projection system and an image smoothing device thereof. Background technique [0002] Among the existing projection system technologies, the Digital Light Processing (DLP) projection system has been widely used in movie theaters and office projections due to its advantages of high brightness, better color performance, faster response time, and no noise. Used in TVs and home projection TVs. [0003] See figure 1 As shown, a DLP projection system 1 includes a light source 11, a color wheel 12, a lens assembly 13, a digital micro-mirror device (Digital Micro-mirror Device, DMD) 14 and a projection lens group 15; wherein the color wheel 12 has multiple A color filter, such as but not limited to a red filter, a green filter, and a blue filter. The DLP projection system 1 adopts digital control and uses the principle of reflected light. After condensing t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03B21/14G03B21/00H02N2/00
Inventor 张绍雄徐富美
Owner DELTA ELECTRONICS INC