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公开(公告)号：US20240384857A1
公开(公告)日：2024-11-21
申请号：US18655297
申请日：2024-05-05
Applicant: QISDA CORPORATION
Inventor： Jia-Ming Zhang , Ching-Tze Huang , Tsung-Hsun Wu
Abstract: An alignment module includes a light source module, a collimator lens, a wavelength transformation module, a polarizing beamsplitter and a quarter wave plate. The light source module provides a first illumination beam with a first polarization state. The wavelength transformation module receives the first illumination beam to generate an actuation beam and reflect the first illumination beam. The polarizing beamsplitter is disposed between the light source module and the collimator lens and allows passing of the actuation beam. The quarter wave plate is disposed on a downstream of the polarizing beamsplitter. The first illumination beam with the first polarization state is transformed into a second illumination beam with a second polarization state via the quarter wave plate.
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公开(公告)号：US20240073381A1
公开(公告)日：2024-02-29
申请号：US18211298
申请日：2023-06-19
Applicant: QISDA CORPORATION
Inventor： Jia-Ming Zhang , Chih-Shiung Chien , Ching-Tze Huang
IPC: H04N9/31
CPC classification number: H04N9/317 , H04N9/3155 , H04N9/3158 , H04N9/3161
Abstract: A multicolor light mixing module includes a light-dividing unit, a light-homogenizing member, a first laser set including first and second lighting units in a sequential arrangement, a light-mixing unit obliquely opposite to the light-dividing unit for guiding a first color light of the first lighting unit and a second color light of the second lighting unit along first and second light-mixing axes to form first and second laser beams, and a condensing lens. The light-dividing unit is obliquely opposite to the first laser set to allow partial transmission and partial reflection of the first and second color lights, for guiding the first and second color lights along first and second light-dividing axes. The light-homogenizing member is disposed on the first and second light-mixing axes for homogenizing the first and second laser beams. The condensing lens between the light-homogenizing member and the light-mixing unit condenses the first and second laser beams.
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公开(公告)号：US20250088612A1
公开(公告)日：2025-03-13
申请号：US18803343
申请日：2024-08-13
Applicant: Qisda Corporation
Inventor： Kai-Jiun Wang , Ching-Tze Huang
IPC: H04N9/31
Abstract: An illumination system is provided. The first light guide module is configured to transmit a first to sixth color light beams from the first light source module and the second light source module to the second light guide module. The second light guide module is configured to transmit the first to sixth color light beams from the first light guide module to the condenser lens module. The second light guide module is further configured to separate the first to sixth color light beams respectively into a first sub-light beam and a second sub-light beam, so that an aspect ratio of a light spot formed by the first sub-light beams and the second sub-light beams incident on a light incident surface of the condenser lens module falls within a range of 1 to 1.5. A projection device is also provided.
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公开(公告)号：US20220066226A1
公开(公告)日：2022-03-03
申请号：US17114434
申请日：2020-12-07
Applicant: QISDA CORPORATION
Inventor： Jia-Ming Zhang , Ching-Tze Huang , Tsung-Hsun Wu
Abstract: An alignment module includes a polarized dichroic mirror, a dichroic mirror, a phase retarding component and several light sources. The polarized dichroic mirror reflects specific beams and is passed by other beams. The dichroic mirror is disposed on a side of the polarized dichroic mirror, and reflects specific beams and is passed by other beams. The phase retarding component is disposed by the dichroic mirror and adapted to transform a polarization state of a beam passing the phase retarding component. The light sources are respectively disposed on different sides of the polarized dichroic mirror, and respectively output a beam toward the polarized dichroic mirror. The polarized dichroic mirror can transmit some beams toward a light pipe, and further transmit other beams toward the dichroic mirror and the phase retarding component for transforming the polarization state and then transmit the transformed beams toward the light pipe.
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公开(公告)号：US20210373427A1
公开(公告)日：2021-12-02
申请号：US17191647
申请日：2021-03-03
Applicant: QISDA CORPORATION
Inventor： Chun-Hao Hu , Tsung-Hsun Wu , Ching-Tze Huang , Ping-Chung Chou
Abstract: A laser projector includes a laser light source, a first dichroic mirror, a second dichroic mirror, three light valves and a beam combining module. The laser light source is used to generate a composite polarized beam. The first dichroic mirror is used to receive the composite polarized beam, and separate the composite polarized beam into a first color beam and a relay beam. The second dichroic mirror is used to receive the relay beam, and separate the relay beam into a second color beam and a third color beam. The three light valves are used to modulate the three color beams into three light beams. The beam combining module is used to combine the three light beams to form a multi-color image.
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Patent Agency Ranking
公开(公告)号：US20250168511A1
公开(公告)日：2025-05-22
申请号：US18943814
申请日：2024-11-11
Applicant: Qisda Corporation
Inventor： Ching-Tze Huang
Abstract: An illuminating device includes a projection device and an imaging device recording a first image and a second image. The projection device includes a light-emitting device generating a first light beam and a second light beam different from the first light beam to illuminate an object to be measured and a light gate device located in optical paths of the first and light beams and including a first light gate and a second light gate respectively located on a light incident surface and a light exit surface of the light gate device. The first and second light beams pass through the light gate device and respectively produces the first image in a first depth of field range and the second image in a second depth of field range different from the first depth of field range. The first and second image are projected on the object to be measured.
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公开(公告)号：US20240133538A1
公开(公告)日：2024-04-25
申请号：US18368549
申请日：2023-09-13
Applicant: QISDA CORPORATION
Inventor： Jia-Ming Zhang , Ching-Tze Huang , Tsung-Hsun Wu
CPC classification number: F21V13/04 , F21V5/007 , F21Y2113/10
Abstract: A multicolor light mixing module includes a collimator lens disposed on a light-entrance axis and having first and second lens portions, a laser source set including first and second lighting units arranged sequentially for emitting first and second color lights respectively, a reflective unit, a reflective diffusing member and a lens array disposed corresponding to at least one of the first and second lens portions for mixing the first and second color lights. The reflective unit is obliquely disposed on the light-entrance axis and opposite to the first and second lighting units for reflecting the first and second color lights to the first lens portion along the light-entrance axis. The reflective diffusing member is disposed at a side of the collimator lens to homogenize the first and second laser lights and reflect the first and second color lights to the second lens portion along a first light-exit axis.
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公开(公告)号：US11635675B2
公开(公告)日：2023-04-25
申请号：US17191647
申请日：2021-03-03
Applicant: QISDA CORPORATION
Inventor： Chun-Hao Hu , Tsung-Hsun Wu , Ching-Tze Huang , Ping-Chung Chou
Abstract: A laser projector includes a laser light source, a first dichroic mirror, a second dichroic mirror, three light valves and a beam combining module. The laser light source is used to generate a composite polarized beam. The first dichroic mirror is used to receive the composite polarized beam, and separate the composite polarized beam into a first color beam and a relay beam. The second dichroic mirror is used to receive the relay beam, and separate the relay beam into a second color beam and a third color beam. The three light valves are used to modulate the three color beams into three light beams. The beam combining module is used to combine the three light beams to form a multi-color image.
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公开(公告)号：US11422382B2
公开(公告)日：2022-08-23
申请号：US17114434
申请日：2020-12-07
Applicant: QISDA CORPORATION
Inventor： Jia-Ming Zhang , Ching-Tze Huang , Tsung-Hsun Wu
Abstract: An alignment module includes a polarized dichroic mirror, a dichroic mirror, a phase retarding component and several light sources. The polarized dichroic mirror reflects specific beams and is passed by other beams. The dichroic mirror is disposed on a side of the polarized dichroic mirror, and reflects specific beams and is passed by other beams. The phase retarding component is disposed by the dichroic mirror and adapted to transform a polarization state of a beam passing the phase retarding component. The light sources are respectively disposed on different sides of the polarized dichroic mirror, and respectively output a beam toward the polarized dichroic mirror. The polarized dichroic mirror can transmit some beams toward a light pipe, and further transmit other beams toward the dichroic mirror and the phase retarding component for transforming the polarization state and then transmit the transformed beams toward the light pipe.
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公开(公告)号：US20250020990A1
公开(公告)日：2025-01-16
申请号：US18748040
申请日：2024-06-19
Applicant: Qisda Corporation
Inventor： Chih-Shiung Chien , Ming-Kuen Lin , Ching-Tze Huang
Abstract: An afocal optical element adapted to reduce a beam diameter of a light beam is provided. The afocal optical element includes an object-side surface facing an object-side through which the light beam passes and an image-side surface facing an image-side through which the light beam passes. The object-side surface is convex, and the image-side surface is concave. The afocal optical element has only one lens element. In addition, a projection device is also provided.
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