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公开(公告)号：US10966797B2
公开(公告)日：2021-04-06
申请号：US16830305
申请日：2020-03-26
申请人： QISDA CORPORATION
发明人： Tsung-Hsun Wu , Ming-Kuen Lin , Hung-Wen Liu
IPC分类号： A61B90/00
摘要： An imaging system includes an image generating device and two reflecting mirrors. The image generating device projects a light toward a gravity direction. The two reflecting mirrors are disposed with respect to each other and one of the two reflecting mirrors is disposed with respect to the image generating device. The light projected by the image generating device forms a virtual image through the two reflecting mirrors in sequence.
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公开(公告)号：US20200088513A1
公开(公告)日：2020-03-19
申请号：US16554629
申请日：2019-08-29
申请人： QISDA CORPORATION
发明人： Chih-Chieh Tsung , Tsung-Hsun Wu , Ming-Kuen Lin
摘要： A three-dimensional scan system includes a projection module including a light source for providing a first light beam and a second light beam and a pattern generator for receiving the first light beam to project a first pattern and for receiving the second light beam to project a second pattern, an image capturing module for capturing an image of the first pattern and the second pattern projected on an object, and a beam splitting module including a first reflective surface for reflecting the first light beam to project the first pattern onto the object and reflecting the first light beam reflected by the object to the image capturing module and a second reflective surface for reflecting the second light beam to project the second pattern onto the object and reflecting the second light beam reflected by the object to the image capturing module.
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公开(公告)号：US10429725B2
公开(公告)日：2019-10-01
申请号：US15940989
申请日：2018-03-30
申请人： QISDA CORPORATION
发明人： Chih-Shiung Chien , Ming-Kuen Lin
摘要： The invention provides a projector with a biaxially-tilted (with a 17-degree tilting angle) digital micro mirror device (DMD) whose light source module and lens set deployment is improved so that the incident light provided by the light source module travels along a first light route and is enlarged by the lens set before traveling along a second light route and provided to the biaxially-tilted DMD. The projector features in that the first lens group is composed of two specific spherical lenses or one specific aspheric lens and the second lens group is composed of one aspheric lens. Therefore, the prismless, non-telecentric projector, without using any TIR prism, can be made with fewer components, lower cost, and enhanced efficiency.
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公开(公告)号：US11803117B2
公开(公告)日：2023-10-31
申请号：US17730307
申请日：2022-04-27
申请人： Qisda Corporation
发明人： Chih-Shiung Chien , Ming-Kuen Lin , Tsung-Hsun Wu , Yi-Ling Lo
CPC分类号： G03B21/204 , G02B27/1006 , G02B27/141 , G03B21/206 , G03B21/2013 , G03B21/2066
摘要： A light source module including first and second light sources, first and second wavelength conversion units, first and second light-splitting units is provided. The first light source emits a first light having a first wavelength. The first wavelength conversion unit converts at least one portion of the first light into a first converted light having a second wavelength. The second light-splitting unit allows the light having the first wavelength to travel through and reflects the light having the second wavelength. The second light source emits a second light having the first wavelength. The second wavelength conversion unit converts at least one portion of the second light into a second converted light having the second wavelength. The first light-splitting unit disposed between the first and the second wavelength conversion units reflects the light having the first wavelength and allow the light having the second wavelength to travel through.
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公开(公告)号：US11513340B2
公开(公告)日：2022-11-29
申请号：US16669122
申请日：2019-10-30
申请人： Qisda Corporation
发明人： Chih-Shiung Chien , Ming-Kuen Lin , Tsung-Hsun Wu
摘要： A projector including a light source, a first prism, a second prism and a digital micro-mirror device (DMD) is provided. The light source emits light. The first prism includes a first surface, a second surface and a third surface which are connected to each other around the perimeter thereof, and the illumination light enters the first prism through the first surface. The second prism has a fourth surface and a fifth surface which are connected to each other, and the fourth surface faces the second surface of the first prism. The DMD faces the third surface. The illumination light sequentially passes through the first surface, is reflected by the second surface, passes through the third surface, and reaches the DMD. The DMD converts the illumination light into image light, and the image light sequentially passes through the third surface, the second surface, the fourth surface and the fifth surface. In the first prism, a first included angle between the first surface and the third surface is more than or equal to 105 degrees.
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公开(公告)号：US11237470B2
公开(公告)日：2022-02-01
申请号：US16985211
申请日：2020-08-04
申请人： QISDA CORPORATION
发明人： Chih-Shiung Chien , Ming-Kuen Lin
摘要： A projector includes a light source module, a wavelength conversion module, a first collimator lens, a second collimator lens, a dichroic filter and a reflector. The light source module provides a first beam. The wavelength conversion module includes a reflecting plate and a wavelength conversion layer. The dichroic filter reflects a first part of the first beam to form a second beam, and a second part of the first beam can pass or detour the dichroic filter to form a third beam. The second beam is condensed by the first collimator lens and projected onto the wavelength conversion layer to excite a fourth beam. The third beam is condensed by the second collimator lens and projected onto the reflecting plate to reflect a fifth beam. The fifth beam is reflected via the reflector and the dichroic filter to mix with the fourth beam.
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公开(公告)号：US20210055643A1
公开(公告)日：2021-02-25
申请号：US16985211
申请日：2020-08-04
申请人： QISDA CORPORATION
发明人： Chih-Shiung Chien , Ming-Kuen Lin
摘要： A projector includes a light source module, a wavelength conversion module, a first collimator lens, a second collimator lens, a dichroic filter and a reflector. The light source module provides a first beam. The wavelength conversion module includes a reflecting plate and a wavelength conversion layer. The dichroic filter reflects a first part of the first beam to form a second beam, and a second part of the first beam can pass or detour the dichroic filter to form a third beam. The second beam is condensed by the first collimator lens and projected onto the wavelength conversion layer to excite a fourth beam. The third beam is condensed by the second collimator lens and projected onto the reflecting plate to reflect a fifth beam. The fifth beam is reflected via the reflector and the dichroic filter to mix with the fourth beam.
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公开(公告)号：US20190294035A1
公开(公告)日：2019-09-26
申请号：US16355863
申请日：2019-03-18
申请人： QISDA CORPORATION
发明人： Chih-Shiung Chien , Ming-Kuen Lin , Tsung-Hsun Wu
摘要： A laser projection device includes a condenser, a wavelength transforming component and a laser array. The wavelength transforming component is disposed adjacent to the condenser. The laser array includes a plurality of laser units, and each laser unit includes a laser source and a lens. The laser source is adapted to output a laser beam. The lens is disposed adjacent to and corresponds to the laser source. The lens is adapted to transform the laser beam into a unparallel beam and further to transmit the unparallel beam to the condenser for projecting onto the wavelength transforming component.
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公开(公告)号：US09904041B2
公开(公告)日：2018-02-27
申请号：US15220372
申请日：2016-07-26
发明人： Ming-Kuen Lin
摘要： A projection lens is applied to image projection of a projection device including an imaging unit. The projection lens includes a first lens group with a negative diopter and a second lens group with a positive diopter. The first lens group has a first lens having a first negative diopter. The second lens group is adjacent to the imaging unit and includes second, third, fourth, and fifth lenses. The second lens has a second negative diopter. The third and fourth lenses are between the first and second lenses. The fifth lens is between the imaging unit and the second lens and is an aspherical lens. A refractive index of the first lens is less than or equal to 1.64. An ABBE number of the first lens represents Vd1, an ABBE number of the second lens represents Vd2, 0.4≦Vd2/Vd1≦1.2, and Vd1
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公开(公告)号：US20150301320A1
公开(公告)日：2015-10-22
申请号：US14689054
申请日：2015-04-17
发明人： Ming-Kuen Lin
CPC分类号： G02B15/177 , G02B13/04 , G02B13/16 , G02B13/18 , G02B27/0025
摘要： A projection device of projecting an image on a screen is disclosed. A projection lens of the projection device is disposed between the screen and an imaging unit of the projection device, to project light from a light source of the projection device on the screen. The projection lens includes a first lens group and a second lens group. The first lens group adjacent to the screen includes a first lens, a second lens and a third lens having negative diopter. The first lens is an aspheric lens adjacent to the screen. The second lens group adjacent to the imaging unit has positive diopter. An effective focal length of the projection lens represents f, a focal length of the first lends group represents fG1, focal length of the first lens, the second lens and the third lens represents fL1, fL2 and fL3, and 0.75 ≤ f G 1 / f ≤ 1.28 , 1 f L 1 + 1 f L 2 > 1 f L 3 .
摘要翻译： 公开了一种将图像投影在屏幕上的投影装置。 投影装置的投影透镜设置在屏幕和投影装置的成像单元之间，以将来自投影装置的光源的光投射在屏幕上。 投影透镜包括第一透镜组和第二透镜组。 与屏幕相邻的第一透镜组包括第一透镜，第二透镜和具有负屈光度的第三透镜。 第一透镜是与屏幕相邻的非球面透镜。 与成像单元相邻的第二透镜组具有正屈光度。 投影透镜的有效焦距代表f，第一伸缩组的焦距代表fG1，第一透镜的焦距，第二透镜和第三透镜的焦距代表fL1，fL2和fL3，而0.75≤ff 1 1 // f≤
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