Patents by Inventor Cheng-Huan Chen
Cheng-Huan Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11937370Abstract: A base material is provided. A first patterned circuit layer and a second patterned circuit layer are formed on a first surface and a second surface of the base material. A first insulation layer and a metal reflection layer are provided on the first patterned circuit layer and a portion of the first surface exposed by the first patterned circuit layer, wherein the metal reflection layer covers the first insulation layer, and a reflectance of the metal reflection layer is substantially greater than or equal to 85%, there is no conductive material between the first patterned circuit layer and the metal reflection layer. A first ink layer is formed on the first insulation layer before the metal reflection layer is formed.Type: GrantFiled: September 1, 2021Date of Patent: March 19, 2024Assignee: UNIFLEX Technology Inc.Inventors: Cheng-I Tu, Ying-Hsing Chen, Meng-Huan Chia, Hsin-Ching Su, Yi-Chun Liu, Cheng-Chung Lai, Yuan-Chih Lee
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Publication number: 20230392923Abstract: A sensing module including an illumination device and a sensing device is disclosed. The illumination device is configured to provide an illumination beam or sequentially provide multiple sub-beams having directivity to a sensing area respectively, and the sensing area includes multiple different sub-sensing areas. The sensing device is configured to receive multiple reflected beams from the sub-sensing areas to respectively obtain multiple sub-depth signals, and generate a depth signal according to the sub-depth signals.Type: ApplicationFiled: May 25, 2023Publication date: December 7, 2023Applicant: IGIANT OPTICS CO., LTDInventors: Zih-Ying Fang, Jui-Hsiang Yen, Cheng-Huan Chen
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Publication number: 20200195346Abstract: A scanning-type optical antenna is provided, which includes a housing, a fine-tune mirror, a light signal emitter, a light signal receiver, a scanning light receiver and a rotational mechanism. The housing includes a window. The scanning light receiver disposed on the housing receives an input sector scanning light from a target antenna to generate plural light speckles. The rotational mechanism mounts the housing and adjusts the deflection angle between the housing and the target antenna according to the light speckles. The fine-tune mirror is disposed outside the housing and corresponding to the window. The light signal emitter inside the housing transmits an output signal light to the target antenna after being reflected by the fine-tune mirror through the window. The input signal light of the target antenna is transmitted to the light signal receiver inside the housing after being reflected by the fine-tune mirror and passing through the window.Type: ApplicationFiled: December 27, 2018Publication date: June 18, 2020Inventors: RUEI-BIN CHEN, MING-CHIEN TSENG, CHENG-HUAN CHEN, CHI-YU BAI
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Patent number: 10666355Abstract: A scanning-type optical antenna is provided, which includes a housing, a fine-tune mirror, a light signal emitter, a light signal receiver, a scanning light receiver and a rotational mechanism. The housing includes a window. The scanning light receiver disposed on the housing receives an input sector scanning light from a target antenna to generate plural light speckles. The rotational mechanism mounts the housing and adjusts the deflection angle between the housing and the target antenna according to the light speckles. The fine-tune mirror is disposed outside the housing and corresponding to the window. The light signal emitter inside the housing transmits an output signal light to the target antenna after being reflected by the fine-tune mirror through the window. The input signal light of the target antenna is transmitted to the light signal receiver inside the housing after being reflected by the fine-tune mirror and passing through the window.Type: GrantFiled: December 27, 2018Date of Patent: May 26, 2020Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Ruei-Bin Chen, Ming-Chien Tseng, Cheng-Huan Chen, Chi-Yu Bai
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Patent number: 10473904Abstract: A sunlight modulation device includes a light focusing module and a light deflection module. The light focusing module is configured to let incident sunlight pass through and to converge direct sunlight of the incident sunlight. The light deflection module is configured to separate the converged direct sunlight from diffusion sunlight of the incident sunlight by reflecting the converged direct sunlight. The above-mentioned sunlight modulation device allows more diverse configurations for solar panels, heating devices or the like means, as well as illumination purpose.Type: GrantFiled: September 7, 2018Date of Patent: November 12, 2019Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventor: Cheng-Huan Chen
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Publication number: 20190147652Abstract: An augmented reality device, which is wearable on a user for merging virtual and real images, includes a virtual image projection module and a front cover. A display of the virtual image projection module is provided to generate and project first and second image lights to a light-path dividing means. The first and second image lights passed through the light-path dividing means are respectively projected to first and second reflective elements which are configured to respectively reflect the first and second image lights to the front cover. The front cover is provided to reflect the first and second image lights to the user's eyes for generating the virtual image. Furthermore, the light outside the augmented reality device can pass through the front cover and project on the user's eyes for generating the real image, such that the user can see the virtual and real images simultaneously.Type: ApplicationFiled: December 26, 2017Publication date: May 16, 2019Inventors: Jui-Ting Chien, Sheng-Hsiu Tseng, Cheng-Huan Chen
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Publication number: 20190004297Abstract: A sunlight modulation device includes a light focusing module and a light deflection module. The light focusing module is configured to let incident sunlight pass through and to converge direct sunlight of the incident sunlight. The light deflection module is configured to separate the converged direct sunlight from diffusion sunlight of the incident sunlight by reflecting the converged direct sunlight. The above-mentioned sunlight modulation device allows more diverse configurations for solar panels, heating devices or the like means, as well as illumination purpose.Type: ApplicationFiled: September 7, 2018Publication date: January 3, 2019Inventor: Cheng-Huan CHEN
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Patent number: 9454071Abstract: A projection screen includes a substrate and an optical microstructure. The substrate has a projection area for projecting an image onto the projection area. The projection area includes a plurality of arrayed optical regions. Each of the optical regions includes a first and second optical sub-region with optical characteristics of reflective scattering/transmissive scattering/specular reflection and simple transmission, wherein an area of the second optical sub-region is larger than that of the first optical sub-region. The optical microstructure is arranged on the substrate for guiding the light of the image to a specific direction. The above-mentioned projection screen with two or more optical characteristics, for example, can be at the same time as the front projection screen and the rear projection screen, or allows the user to watch background image behind the projection screen. A projection system including the above-mentioned projection screen is also disclosed.Type: GrantFiled: July 14, 2014Date of Patent: September 27, 2016Assignee: NATIONAL TSING HUA UNIVERSITYInventor: Cheng-Huan Chen
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Publication number: 20160223802Abstract: A sunlight manipulating device includes a light focusing module and a light deflection module. The light focusing module is configured for converging incident sunlight on a focal region. The light deflection module is arranged on the focal region or adjacent to the focal region and configured for deflecting the converged sunlight to a target area, wherein the target area is diverged from an optical axis of the light focusing module. The above-mentioned sunlight manipulating device allows more diverse configurations for solar cells, heating devices and light guide elements or the like means.Type: ApplicationFiled: January 29, 2016Publication date: August 4, 2016Inventor: CHENG-HUAN CHEN
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Publication number: 20160161726Abstract: The present invention provides a multi-spiral optical device, which comprises a base and a plurality of spiral channels. The plurality of spiral channels are formed on the base and include a first port and a second port, respectively. The plurality of first ports are located at the center of the base; the plurality of second ports are located at the periphery of the base. Thereby, the multi-spiral optical device can form a light concentrating device. In addition, a fluid can be filled to or drawn from one or more of the plurality of spiral channels for switching the optical state of the multi-spiral optical device. By filling or drawing the fluid to or from the plurality of spiral channels selectively, they can be switched to a light-pervious, a sheltering, or a light-concentrating state according to users' requirements.Type: ApplicationFiled: December 2, 2015Publication date: June 9, 2016Inventors: CHENG-HUAN CHEN, SHENG-RONG LIN, YUAN-JIE ZHENG
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Patent number: 9354712Abstract: An intelligent device is configured to provide relevant information related to an image. The intelligent device includes a sensor module, an activation module, an image capture module, an image recognition module, and an information providing module. The sensor module includes a magnetometer and a gyroscope. The magnetometer detects a direction of a gesture relative to the intelligent device. The gyroscope detects at least one angular velocity of the gesture. The activation module determines the gesture according to the direction and the angular velocities, and generates an activating signal according to the gesture determined. The image capture module captures the image according to the activation signal. The image recognition module identifies the image to retrieve relevant information related to the image. The information providing module provides the relevant information.Type: GrantFiled: November 28, 2014Date of Patent: May 31, 2016Assignee: INSTITUTE FOR INFORMATION INDUSTRYInventors: Ching-Wen Lin, Cheng-Huan Chen, Wei-Ming Chiang
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Publication number: 20160109714Abstract: A head-up display device operated in a vehicle comprises: a first image source and a second image source, a beam-splitter located in between. In an embodiment, two virtual images located at different positions simultaneously while both of the first and the second image sources have linear polarization but mutual orthogonal or both have an opposite-hand circular polarization associated with a corresponding polarization type beam splitter. In the second embodiment, the polarizing beam splitter is replaced by a transparent/mirror element so that one virtual image could be seen by the driver depending on the mode been selected. In the third embodiment, the beam-splitter is replaced by a mechanical movable shielding element. While the mechanical movable shielding element is disposed in the optical plane to block out the first image light, the second virtual image is chosen.Type: ApplicationFiled: December 15, 2015Publication date: April 21, 2016Inventor: Cheng-Huan Chen
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Publication number: 20160062472Abstract: An intelligent device is configured to provide relevant information related to an image. The intelligent device includes a sensor module, an activation module, an image capture module, an image recognition module, and an information providing module. The sensor module includes a magnetometer and a gyroscope. The magnetometer detects a direction of a gesture relative to the intelligent device. The gyroscope detects at least one angular velocity of the gesture. The activation module determines the gesture according to the direction and the angular velocities, and generates an activating signal according to the gesture determined. The image capture module captures the image according to the activation signal. The image recognition module identifies the image to retrieve relevant information related to the image. The information providing module provides the relevant information.Type: ApplicationFiled: November 28, 2014Publication date: March 3, 2016Inventors: Ching-Wen LIN, Cheng-Huan CHEN, Wei-Ming CHIANG
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Patent number: 9245459Abstract: A display screen includes a substrate and a fluorescent material. The substrate includes a plurality of pixel regions arranged in an array, wherein each pixel region includes a fluorescent region and a transparent region, and the area of the transparent region is larger than the area of the fluorescent region. The fluorescent material is arranged in the fluorescent region and excited by an excitation light to emit a visible light to form an image. The above-mentioned display screen allows a viewer to see the images formed by the fluorescent region and the environmental image at the other side of display screen. A display system including the above-mentioned display screen is also disclosed.Type: GrantFiled: July 14, 2014Date of Patent: January 26, 2016Assignee: NATIONAL TSING HUA UNIVERSITYInventors: Cheng-Huan Chen, Po-Hung Yao
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Publication number: 20150342710Abstract: A method of constructing tooth images utilizes a probe to take images of teeth at one place using a first light ray of wavelength less than or equal to 460 nm and a second light ray of wavelength greater than or equal to 600 nm, thereby generating a first image and a second image. After receiving the first image and the second image, an image processing unit superimposes the first image and the second image to produce a composite tooth image. Using the light of wavelength less than or equal to 460 nm has the advantage of reducing reflection disturbance from saliva, thereby increasing the precision in tooth images.Type: ApplicationFiled: August 28, 2014Publication date: December 3, 2015Inventors: Chung-Li TSAI, Po-Chi HU, Cheng-Huan CHEN, Chao-Jung YEH
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Patent number: 9025088Abstract: The present invention relates to a sectional dynamic-driving backlight module and a head-up display device thereof. The sectional dynamic-driving backlight module comprises an optical-directional lens unit and an optical-homogenizing unit. The optical-directional lens unit is provided for converging the light beams emitted by the light source assemblies in the backlight module into light beams with a smaller divergent angle, and the optical-homogenizing unit is used for further homogenizing the light beams, so as to make all display regions of the LCD show a uniform illumination. Therefore, all images showed on an eyebox of the driver are distinct. Besides, each of the light source assemblies consist a red-light LED chip, a green-light LED chip, a blue-light LED chip, and a white-light LED chip, and these LED chips may be controlled by a controlling PCB for lighting respectively or simultaneously, so as to achieve a sectional dynamic display.Type: GrantFiled: June 27, 2013Date of Patent: May 5, 2015Assignee: National Tsing Hua UniversityInventor: Cheng-Huan Chen
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Patent number: 8988781Abstract: The present invention relates to a focus-adjustable device and a system thereof, wherein the focus-adjustable device is fabricated by forming a single closed flow channel in the internal of a transparent substrate, so as to make the substrate and the single closed flow channel together form a specific lens structure similar to the Fresnel lens. In the present invention, when a light illuminates on one side of the substrate, the light would be concentrated at a specific focus point distancing from the other side of the substrate after being deflected by the specific lens structure. Moreover, a fluid having a specific refractive index can be filled into the single closed flow channel by a flow channel opening, so as to carry out the purpose of adjusting the focus of the specific lens structure; or to make the light parallelly pass through the specific lens structure without any deflection.Type: GrantFiled: December 23, 2013Date of Patent: March 24, 2015Assignee: National Tsing Hua UniversityInventors: Cheng-Huan Chen, Sheng-Rong Lin
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Publication number: 20150029594Abstract: The present invention relates to a focus-adjustable device and a system thereof, wherein the focus-adjustable device is fabricated by forming a single closed flow channel in the internal of a transparent substrate, so as to make the substrate and the single closed flow channel together form a specific lens structure similar to the Fresnel lens. In the present invention, when a light illuminates on one side of the substrate, the light would be concentrated at a specific focus point distancing from the other side of the substrate after being deflected by the specific lens structure. Moreover, a fluid having a specific refractive index can be filled into the single closed flow channel by a flow channel opening, so as to carry out the purpose of adjusting the focus of the specific lens structure; or to make the light parallelly pass through the specific lens structure without any deflection.Type: ApplicationFiled: December 23, 2013Publication date: January 29, 2015Applicant: National Tsing Hua UniversityInventors: Cheng-Huan Chen, Sheng-Rong Lin
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Publication number: 20150022077Abstract: A display screen includes a substrate and a fluorescent material. The substrate includes a plurality of pixel regions arranged in an array, wherein each pixel region includes a fluorescent region and a transparent region, and the area of the transparent region is larger than the area of the fluorescent region. The fluorescent material is arranged in the fluorescent region and excited by an excitation light to emit a visible light to form an image. The above-mentioned display screen allows a viewer to see the images formed by the fluorescent region and the environmental image at the other side of display screen. A display system including the above-mentioned display screen is also disclosed.Type: ApplicationFiled: July 14, 2014Publication date: January 22, 2015Inventors: Cheng-Huan CHEN, Po-Hung YAO
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Publication number: 20150015799Abstract: A projection screen includes a substrate and an optical microstructure. The substrate has a projection area for projecting an image onto the projection area. The projection area includes a plurality of arrayed optical regions. Each of the optical regions includes a first and second optical sub-region with optical characteristics of reflective scattering/transmissive scattering/specular reflection and simple transmission, wherein an area of the second optical sub-region is larger than that of the first optical sub-region. The optical microstructure is arranged on the substrate for guiding the light of the image to a specific direction. The above-mentioned projection screen with two or more optical characteristics, for example, can be at the same time as the front projection screen and the rear projection screen, or allows the user to watch background image behind the projection screen. A projection system including the above-mentioned projection screen is also disclosed.Type: ApplicationFiled: July 14, 2014Publication date: January 15, 2015Inventor: Cheng-Huan CHEN