Patents by Inventor Po-Fu Wu
Po-Fu Wu 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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Publication number: 20240085634Abstract: An optical fiber transmission device includes a substrate, a photonic integrated circuit, and an optical fiber assembly. The photonic integrated circuit is disposed on an area of the substrate. The substrate has a protruding structure at an interface with an edge of the photonic integrated circuit. The optical fiber assembly includes an optical fiber and a ferrule that sleeves the optical fiber. The protruding structure of the substrate is configured to abut against the ferrule to limit the position of the optical fiber assembly in a vertical direction of the substrate, such that the protruding structure is a stopper for the optical fiber assembly in the vertical direction.Type: ApplicationFiled: September 14, 2023Publication date: March 14, 2024Applicant: AuthenX Inc.Inventors: Chun-Chiang YEN, Po-Kuan SHEN, Sheng-Fu LIN, Yi-Ting LU, Jun-Rong CHEN, Jenq-Yang CHANG, Mao-Jen WU
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Publication number: 20240089000Abstract: An optical fiber network device includes a fiber and a photonic integrated circuit. Fiber receives a first optical signal and transmits a second optical signal. A first wavelength of first optical signal is different from a second wavelength of second optical signal. Photonic integrated circuit includes a laser chip, a photodetector, a wavelength division multiplexing coupler, a first optical modulation element and a second optical modulation element. Laser chip is disposed on photonic integrated circuit, and is configured to generate first optical signal. Photodetector detects second optical signal. Wavelength division multiplexing coupler is configured to couple first optical signal to fiber, and receives second optical signal. First optical modulation element is coupled to wavelength division multiplexing coupler and laser chip, and is configured to modulate first optical signal.Type: ApplicationFiled: September 14, 2023Publication date: March 14, 2024Applicant: AuthenX Inc.Inventors: Sheng-Fu LIN, Po-Kuan SHEN, Chun-Chiang YEN, Yi-Ting LU, Jun-Rong CHEN, Jenq-Yang CHANG, Mao-Jen WU
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Publication number: 20240021760Abstract: A display module includes a driving substrate, a plurality of light-emitting diode (LED) lamp boards, a transparent cover and a blocking structure. The LED lamp boards are separately disposed on the driving substrate separately. The transparent cover is disposed on the driving substrate and has a plurality of accommodating grooves. The LED lamp boards correspond to the accommodating grooves respectively and are disposed at intervals. The blocking structure is disposed on the transparent cover and located between the transparent cover and the driving substrate. The LED lamp boards and the blocking structure are disposed at intervals.Type: ApplicationFiled: March 15, 2023Publication date: January 18, 2024Applicant: Qisda CorporationInventor: Po-Fu Wu
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Patent number: 11828547Abstract: A heat-dissipating device includes a casing and a heat dissipating fin set. The casing has a first hole structure. The heat dissipating fin set includes a protruding fin, a sheltering component and a bridging component. A hollow chamber of the protruding fin has a first opening and a second opening adjacent to each other. The first opening is connected to an inner space of the casing. The sheltering component is disposed on the protruding fin to shelter the second opening. The bridging component is connected to the protruding fin and fixed onto the first hole structure.Type: GrantFiled: March 2, 2021Date of Patent: November 28, 2023Assignee: Qisda CorporationInventors: Chi-Cheng Lin, Po-Fu Wu, Hung-Jen Wei
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Patent number: 11592172Abstract: A display system and a control method are provided. The display system includes a display device, an illumination device and a control circuit. The display device includes a display panel. The display panel is configured to display an image frame. The illumination device is movably disposed on the display device. The illumination device selectively projects light in a first direction or in a second direction different from the first direction. When the illumination device projects the light in the first direction, the control circuit generates a first control signal so as to control the illumination device to perform a first illumination mode. When the illumination device projects the light in the second direction, the control circuit generates a second control signal so as to control the illumination device to perform a second illumination mode different from the first illumination mode.Type: GrantFiled: June 21, 2021Date of Patent: February 28, 2023Assignee: Qisda CorporationInventors: Hsin-Che Hsieh, Wei-Jou Chen, Yu-Fu Fan, Po-Fu Wu
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Publication number: 20220269467Abstract: An image displaying device includes a planar display panel and a light penetrating unit. The planar display panel displays a plane image. The planar display panel at least includes a first pixel group, a second pixel group and a third pixel group. The second pixel group is located between the first pixel group and the third pixel group. When vision passes through the light penetrating unit toward the planar display panel, the vision acquires a second distance of a second imaging position within the plane image relevant to the second pixel group relative to the planar display panel being greater than a first distance of a first imaging position within the plane image relevant to the first pixel group relative to the planar display panel and a third distance of a third imaging position within the plane image relevant to the third pixel group relative to the planar display panel.Type: ApplicationFiled: January 10, 2022Publication date: August 25, 2022Applicant: QISDA CORPORATIONInventors: Hao-Chun Tung, Hsin-Che Hsieh, Wei-Jou Chen, Po-Fu Wu, Yu-Fu Fan, Chih-Ming Chang
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Publication number: 20220249209Abstract: An oral scanner including a heating element, a reflecting element and a temperature difference generating element is provided. The temperature difference generating element has a high temperature end and a low temperature end. The high temperature end is connected to the reflecting element to heat the reflecting element, and the low temperature end is connected to the heating element to cool the heating element.Type: ApplicationFiled: January 24, 2022Publication date: August 11, 2022Applicant: Qisda CorporationInventors: Chien-Hung LIN, Po-Fu WU, Jun-Ming SHEN, Szu-Fan CHEN, Yi-Ling LO
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Publication number: 20220252873Abstract: An calibration kit includes a base, a combination of calibration parts, and a manipulation part. The combination of calibration parts is disposed on the base and includes a first calibration part and a second calibration part. The first calibration part has a first calibration surface. The second calibration part has a second calibration surface. The first calibration part and the second calibration part are relatively movable in a movement direction and are movable relative to the base. The manipulation part is movably or rotatably disposed on the base. The manipulation part is configured to be operable to drive the first calibration part and the second calibration part to move in the movement direction relative to the base, so that the combination of calibration parts forms a three-dimensional calibration surface configuration through the first calibration surface and the second calibration surface.Type: ApplicationFiled: September 6, 2021Publication date: August 11, 2022Applicant: QISDA CORPORATIONInventors: Tzu-Huan Hsu, Po-Fu Wu, Yuan-Yu Hsiao, Ching-Huey Wang, Chih-Kang Peng, Chun-Ming Shen, Chih-Ming Hu, Yi-Ling Lo
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Patent number: 11269020Abstract: A plurality of test pads are formed on a first substrate or a second substrate. A plurality of first solder joints are reserved on a first surface of the first substrate, and each of the first solder joints is coupled to at least a test pad or to another first solder joint through at least a first trace. A plurality of second solder joints are reserved on a second surface of the second substrate. Each of the second solder joints is coupled to at least a test pad or to another second solder joint through at least a second trace. A plurality of dummy solder balls are formed between the first solder joints and the second solder joints. Probes are coupled to the test pads to measure circuit characteristics between the test pads.Type: GrantFiled: December 23, 2019Date of Patent: March 8, 2022Assignee: Qisda CorporationInventor: Po-Fu Wu
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Patent number: 11262965Abstract: The present invention provides a display device. The display device includes a display module, a first mounting frame, one or more electromotive driving elements, and a control module. The display module is disposed on and spaced from a setting surface and has a display surface. The first mounting frame is spaced from the display module and is disposed on the setting surface. The electromotive driving elements are disposed on the first mounting frame and face the display module relatively. The control module controls display of the display surface based on a display signal, and controls each of the electromotive driving elements to selectively generate an attractive force and a repulsive force with respect to the display module based on an actuation signal, so as to change a distance of the display module from the first mounting frame, a setting angle of the display module with respect to the setting surface, or a combination thereof.Type: GrantFiled: January 13, 2021Date of Patent: March 1, 2022Assignee: QISDA CORPORATIONInventor: Po-Fu Wu
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Patent number: 11237382Abstract: An optical module includes a driving unit, a first color wheel, a second color wheel, a first electromagnet, a plurality of first magnets and a polarity control unit. The driving unit has a rotating shaft. The first color wheel is fixed on the rotating shaft. The second color wheel is freely disposed on the rotating shaft. The first electromagnet is disposed on the first color wheel and the first magnets are disposed on the second color wheel. The driving unit drives the first color wheel to rotate, such that the first electromagnet rotates along with the first color wheel. The polarity control unit controls a direction of current flow in the first electromagnet to control a polarity of the first electromagnet, such that the first electromagnet attracts one of the first magnets during rotation to drive the second color wheel to rotate along with the first color wheel.Type: GrantFiled: July 29, 2019Date of Patent: February 1, 2022Assignee: Qisda CorporationInventor: Po-Fu Wu
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Publication number: 20220003405Abstract: A display system and a control method are provided. The display system includes a display device, an illumination device and a control circuit. The display device includes a display panel. The display panel is configured to display an image frame. The illumination device is movably disposed on the display device. The illumination device selectively projects light in a first direction or in a second direction different from the first direction. When the illumination device projects the light in the first direction, the control circuit generates a first control signal so as to control the illumination device to perform a first illumination mode. When the illumination device projects the light in the second direction, the control circuit generates a second control signal so as to control the illumination device to perform a second illumination mode different from the first illumination mode.Type: ApplicationFiled: June 21, 2021Publication date: January 6, 2022Applicant: QISDA CORPORATIONInventors: Hsin-Che Hsieh, Wei-Jou Chen, Yu-Fu Fan, Po-Fu Wu
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Publication number: 20210285731Abstract: A heat-dissipating device includes a casing and a heat dissipating fin set. The casing has a first hole structure. The heat dissipating fin set includes a protruding fin, a sheltering component and a bridging component. A hollow chamber of the protruding fin has a first opening and a second opening adjacent to each other. The first opening is connected to an inner space of the casing. The sheltering component is disposed on the protruding fin to shelter the second opening. The bridging component is connected to the protruding fin and fixed onto the first hole structure.Type: ApplicationFiled: March 2, 2021Publication date: September 16, 2021Inventors: Chi-Cheng Lin, Po-Fu Wu, Hung-Jen Wei
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Publication number: 20210224012Abstract: The present invention provides a display device. The display device includes a display module, a first mounting frame, one or more electromotive driving elements, and a control module. The display module is disposed on and spaced from a setting surface and has a display surface. The first mounting frame is spaced from the display module and is disposed on the setting surface. The electromotive driving elements are disposed on the first mounting frame and face the display module relatively. The control module controls display of the display surface based on a display signal, and controls each of the electromotive driving elements to selectively generate an attractive force and a repulsive force with respect to the display module based on an actuation signal, so as to change a distance of the display module from the first mounting frame, a setting angle of the display module with respect to the setting surface, or a combination thereof.Type: ApplicationFiled: January 13, 2021Publication date: July 22, 2021Applicant: Qisda CorporationInventor: Po-Fu WU
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Patent number: 11048154Abstract: A light source module for providing an illumination light is presented. The light source module comprises a case, a light source, at least one first fan blade, a wavelength transforming unit and a driver. The case has an accommodation space, and the light source provides an excitation light to the accommodation space. The first fan blade and the wavelength transforming unit are disposed in the accommodation space. The wavelength transforming unit receives the excitation light from the light source. The excitation light is transformed into the illumination light through the wavelength transforming unit. The driver includes a driving shaft and a stator for rotating the driving shaft. The stator is located outside the accommodation space. The driving shaft passes through the case and connects to at least one first fan blade. A first air flow is generated by the first fan blade driven by the stator rotating the driving shaft. The first air flow flows inside the case. A projector is also provided.Type: GrantFiled: March 18, 2020Date of Patent: June 29, 2021Assignee: Qisda CorporationInventors: Chi-Cheng Lin, Po-Fu Wu
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Patent number: 10918465Abstract: The invention provides a three-dimensional object scanning device using structured lights and method using the same. A combination of specific monochrome light sources is used to construct the content of the structured lights to form a predetermined image, which is projected to the three-dimensional object such as an intraoral object. The combination of blue and green lights effectively eliminates reflective interference of the red or white environment within the intraoral space. Default patterns of the predetermined image are distinguished from one another by using well designed arrangement of color blocks so that specific coding information of location may be embedded and exploited.Type: GrantFiled: January 16, 2019Date of Patent: February 16, 2021Assignee: Qisda CorporationInventor: Po-Fu Wu
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Publication number: 20200371341Abstract: An optical module includes a driving unit, a first color wheel, a second color wheel, a first electromagnet, a plurality of first magnets and a polarity control unit. The driving unit has a rotating shaft. The first color wheel is fixed on the rotating shaft. The second color wheel is freely disposed on the rotating shaft. The first electromagnet is disposed on the first color wheel and the first magnets are disposed on the second color wheel . The driving unit drives the first color wheel to rotate, such that the first electromagnet rotates along with the first color wheel. The polarity control unit controls a direction of current flow in the first electromagnet to control a polarity of the first electromagnet, such that the first electromagnet attracts one of the first magnets during rotation to drive the second color wheel to rotate along with the first color wheel.Type: ApplicationFiled: July 29, 2019Publication date: November 26, 2020Inventor: Po-Fu Wu
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Patent number: 10845687Abstract: An optical engine module and a projector having the same are provided. The optical engine module includes an optical engine housing having a sound outlet, a light modulation unit disposed in the optical engine housing, and a heat dissipation tube disposed on the optical engine housing at an outer side of the optical engine housing and configured to dissipate heat from the optical engine housing. The heat dissipation tube communicates with the sound outlet. Noise is generated when the light modulation unit is operated. The noise travels from the sound outlet into the heat dissipation tube and is reflected back through the heat dissipation tube to the sound outlet to form a reflected sound wave, and the heat dissipation tube has a length enabling the reflected sound wave and the noise to have a phase difference of 180 degrees.Type: GrantFiled: January 3, 2020Date of Patent: November 24, 2020Assignee: Qisda CorporationInventors: Po-Fu Wu, Hung-Jen Wei
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Publication number: 20200310231Abstract: A light source module for providing an illumination light is presented. The light source module comprises a case, a light source, at least one first fan blade, a wavelength transforming unit and a driver. The case has an accommodation space, and the light source provides an excitation light to the accommodation space. The first fan blade and the wavelength transforming unit are disposed in the accommodation space. The wavelength transforming unit receives the excitation light from the light source. The excitation light is transformed into the illumination light through the wavelength transforming unit. The driver includes a driving shaft and a stator for rotating the driving shaft. The stator is located outside the accommodation space. The driving shaft passes through the case and connects to at least one first fan blade. A first air flow is generated by the first fan blade driven by the stator rotating the driving shaft. The first air flow flows inside the case. A projector is also provided.Type: ApplicationFiled: March 18, 2020Publication date: October 1, 2020Applicant: Qisda CorporationInventors: Chi-Cheng LIN, Po-Fu WU
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Patent number: 10789497Abstract: An image capturing device includes an image capturing unit, a light filter module, a light sensing unit, an infrared light source and a processing unit. The light filter module includes a first light filter and a second light filter. The first light filter filters an infrared and allows a visible light to pass. The second light filter filters a visible light and allows an infrared to pass. The light sensing unit senses an environmental light. When the processing unit determines that an intensity of the environmental light is higher than a threshold, the processing unit alternately switches the first light filter and the second light filter to a front of the image capturing unit, controls the image capturing unit to capture a visible light image through the first light filter, and controls the image capturing unit to capture an infrared image through the second light filter.Type: GrantFiled: April 19, 2018Date of Patent: September 29, 2020Assignee: Qisda CorporationInventors: Po-Fu Wu, Chi-Cheng Lin