Patents by Inventor Heng-Yi Tseng
Heng-Yi Tseng 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: 11960141Abstract: Provided is a lens assembly driving module including a photographing lens assembly, a first driving mechanism and a second driving mechanism. The photographing lens assembly includes N lens elements and has an optical axis passing through the N lens elements. The first driving mechanism drives at least N/2 said lens elements to move along the optical axis of the photographing lens assembly. The second driving mechanism enables a relative distance along the optical axis of two adjacent ones of the N lens elements to vary. Therefore, any specific one of the lens elements is capable of being driven to optimize optical imaging resolution of various fields of view independently within a real shot at different object distances.Type: GrantFiled: September 21, 2020Date of Patent: April 16, 2024Assignee: LARGAN DIGITAL CO., LTD.Inventors: Heng-Yi Su, Hao-Jan Chen, Ming-Ta Chou, Te-Sheng Tseng
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Publication number: 20240094497Abstract: An imaging lens module includes a casing, an imaging lens disposed to the casing, a lens carrier supporting the image lens, an elastic element connected to the lens carrier to provide the lens carrier with a translational degree of freedom along an optical axis, a frame connected to the elastic element such that the lens carrier is movable along the optical axis with respect to the frame, a variable through hole module coupled to the imaging lens and having a light passable hole with a variable aperture size, and a wiring assembly including a fixed wiring part at least partially located closer to the opening than the elastic element and a movable wiring part electrically connected to the fixed wiring part and the variable through hole module. The optical axis passes through lens elements of the imaging lens and the center of the variable through hole module.Type: ApplicationFiled: January 10, 2023Publication date: March 21, 2024Applicant: LARGAN PRECISION CO., LTD.Inventors: Hao-Jan CHEN, Heng Yi SU, Ming-Ta CHOU, Te-Sheng TSENG
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Publication number: 20240059549Abstract: A liquid preparation method is provided. The method includes measuring, with a detection member, a quantity of a liquid stored in a liquid tank by emitting a detection signal toward a floating member positioned in a tube. The tube extends in a height direction of the liquid tank and fluidly connects to two connecting ports of the liquid tank that are located at opposite sides of a surface of the liquid, and the position of the floating member in the tube varies according to a level of the liquid in the liquid tank. The method also includes regulating the liquid in the liquid tank in response to the quantity of the liquid in the liquid tank.Type: ApplicationFiled: October 27, 2023Publication date: February 22, 2024Inventors: FANG-PIN CHIANG, CHI-TUNG LAI, HENG-YI TSENG
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Patent number: 11834322Abstract: A liquid supply system is provided. The liquid supply system includes a liquid tank configured to store a liquid. The liquid supply system also includes a liquid measurement module positioned outside the liquid tank and fluidly connected two connecting ports that are located at opposite sides of a surface of the liquid stored in the liquid tank. The liquid tank includes a tube extends parallel to a height direction of the liquid tank. The liquid tank also includes a floating member located in the tube and configured to float on the liquid. The liquid tank further includes a detection member configured to emit a detection signal toward the floating member.Type: GrantFiled: March 26, 2021Date of Patent: December 5, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Fang-Pin Chiang, Chi-Tung Lai, Heng-Yi Tseng
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Patent number: 11796840Abstract: An electrically controlled polarization rotator is disclosed. The electrically controlled polarization rotator includes two substrates and a liquid crystal layer located between the two substrates. The two substrates have a homogeneous alignment and a homeotropic alignment respectively. A distance between the two substrates is a liquid crystal thickness. A switching electric field which is adjustable is provided between the two substrates. A polarized light is incident on the substrate having the homogeneous alignment. A polarization direction of the polarized light is orthogonal or parallel to an alignment direction of the substrate having the homogeneous alignment. A birefringence of the liquid crystal layer multiplied by the liquid crystal thickness and further divided by a wavelength of the polarized light is greater than 10. The polarization direction of the polarized light is rotated corresponding to an intensity of the switching electric field in the liquid crystal layer.Type: GrantFiled: September 27, 2021Date of Patent: October 24, 2023Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Tsung-Hsien Lin, Heng-Yi Tseng, Cheng-Chang Li, Duan-Yi Guo, Li-Min Chang, Kuan-Wu Lin
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Patent number: 11630362Abstract: A one-way glass with switching modes includes an absorbing layer located on a weak light side, a reflecting layer located on an intense light side, and a converting layer stacked between the absorbing layer and the reflecting layer. The absorbing layer absorbs first polarized light and allows second polarized light to pass through. The reflecting layer reflects the first polarized light and allows the second polarized light to pass through. Unpolarized light incident from the weak light side or from the intense light side is respectively converted into the polarized light. During the process of gradually adjusting the converting layer from a twisted state to a vertical state, rotated angles of polarization directions of the first polarized light and the second polarized light gradually decrease.Type: GrantFiled: June 17, 2022Date of Patent: April 18, 2023Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Tsung-Hsien Lin, Chun-Ta Wang, Heng-Yi Tseng, Cheng-Chang Li, Li-Min Chang, Kuan-Wu Lin, Hung-Chang Jau
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Publication number: 20230031864Abstract: An electrically controlled polarization rotator is disclosed. The electrically controlled polarization rotator includes two substrates and a liquid crystal layer located between the two substrates. The two substrates have a homogeneous alignment and a homeotropic alignment respectively. A distance between the two substrates is a liquid crystal thickness. A switching electric field which is adjustable is provided between the two substrates. A polarized light is incident on the substrate having the homogeneous alignment. A polarization direction of the polarized light is orthogonal or parallel to an alignment direction of the substrate having the homogeneous alignment. A birefringence of the liquid crystal layer multiplied by the liquid crystal thickness and further divided by a wavelength of the polarized light is greater than 10. The polarization direction of the polarized light is rotated corresponding to an intensity of the switching electric field in the liquid crystal layer.Type: ApplicationFiled: September 27, 2021Publication date: February 2, 2023Inventors: Tsung-Hsien Lin, Heng-Yi Tseng, Cheng-Chang Li, Duan-Yi Guo, Li-Min Chang, Kuan-Wu Lin
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Publication number: 20220373827Abstract: A projection type transparent display includes a polarization modulator and a reflective layer. The polarization modulator is stacked in sequence by a linear polarizer, a liquid crystal layer and a phase retarder. The reflective layer is stacked on the phase retarder. A projection light is incident on the linear polarizer to form a linearly polarized light. The liquid crystal layer changes a polarization direction of the linearly polarized light. Two kinds of linearly polarized projection lights with polarization directions orthogonal to each other are respectively formed and pass through the phase retarder to respectively form two kinds of circularly polarized projection lights with opposite rotation directions. A background light is incident on the reflective layer.Type: ApplicationFiled: June 17, 2021Publication date: November 24, 2022Inventors: Tsung-Hsien LIN, Heng-Yi TSENG, Cheng-Chang LI, Li-Min CHANG, Kuan-Wu LIN
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Patent number: 11493787Abstract: A projection type transparent display includes a polarization modulator and a reflective layer. The polarization modulator is stacked in sequence by a linear polarizer, a liquid crystal layer and a phase retarder. The reflective layer is stacked on the phase retarder. A projection light is incident on the linear polarizer to form a linearly polarized light. The liquid crystal layer changes a polarization direction of the linearly polarized light. Two kinds of linearly polarized projection lights with polarization directions orthogonal to each other are respectively formed and pass through the phase retarder to respectively form two kinds of circularly polarized projection lights with opposite rotation directions. A background light is incident on the reflective layer.Type: GrantFiled: June 17, 2021Date of Patent: November 8, 2022Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Tsung-Hsien Lin, Heng-Yi Tseng, Cheng-Chang Li, Li-Min Chang, Kuan-Wu Lin
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Publication number: 20220336235Abstract: A semiconductor device manufacturing system and a method for manufacturing semiconductor device are provided. The semiconductor device manufacturing system comprises a valve box module, a controller, a purge gas source and at least one semiconductor manufacturing tool. The valve box module includes at least one stick and a first gas line in fluid communication with the at least one stick. Further, the first gas line includes a pneumatic valve and a pressure transmitter downstream of the pneumatic valve. The controller connects to the pneumatic valve and the pressure transmitter of the first gas line. The purge gas source is in fluid communication with the first gas line. The at least one semiconductor manufacturing tool is coupled to the at least one stick.Type: ApplicationFiled: April 16, 2021Publication date: October 20, 2022Inventors: FANG-PIN CHIANG, HENG-YI TSENG, CHI-TUNG LAI, SHUN CHAN TENG, HUNG-CHIEH CHEN
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Publication number: 20220306449Abstract: A liquid supply system is provided. The liquid supply system includes a liquid tank configured to store a liquid. The liquid supply system also includes a liquid measurement module positioned outside the liquid tank and fluidly connected two connecting ports that are located at opposite sides of a surface of the liquid stored in the liquid tank, The liquid tank includes a tube extends parallel to a height direction of the liquid tank. The liquid tank also includes a floating member located in the tube and configured to float on the liquid. The liquid tank further includes a detection member configured to emit a detection signal toward the floating member.Type: ApplicationFiled: March 26, 2021Publication date: September 29, 2022Inventors: FANG-PIN CHIANG, CHI-TUNG LAI, HENG-YI TSENG
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Patent number: 11435642Abstract: A smart window includes two transparent substrates and a liquid crystal layer. The two transparent substrates are opposite to each other and are electrically connected to a voltage supply. A first pulse voltage or a second pulse voltage is provided between the two transparent substrates by the voltage supply. The liquid crystal layer is located between the two transparent substrates and has a liquid crystal material. The liquid crystal material has a pitch of at most 250 nanometers or at least 500 nanometers. The liquid crystal material includes a nematic liquid crystal, a rotatory molecule, and a photochromic dye mixed with each other. The liquid crystal material changes a transmittance corresponding to a specific light wavelength range when receiving a light. The liquid crystal material is switched between a planar texture and a focal-conic texture respectively according to the first pulse voltage and the second pulse voltage.Type: GrantFiled: November 30, 2020Date of Patent: September 6, 2022Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Tsung-Hsien Lin, Cheng-Chang Li, Heng-Yi Tseng, Hung-Chang Jau, Li-Min Chang, Kuan-Wu Lin
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Patent number: 11353756Abstract: A reflective display apparatus includes three liquid crystal modules stacked in sequence for an incident light to enter from top to bottom sequentially. Each liquid crystal module includes a liquid crystal layer disposed between two substrates. A switchable electric field and a vertical alignment force are provided by the two substrates to the liquid crystal layer. The three liquid crystal modules are respectively: a blue light liquid crystal module located at a top layer, a green light liquid crystal module located in a middle layer and having the liquid crystal layer doped with a dichroic dye for absorbing a light within a blue light wavelength range, and a red light liquid crystal module located at a bottom layer and having the liquid crystal layer doped with a dichroic dye for absorbing a light within a green light wavelength range. A method for controlling the reflective display apparatus is also disclosed.Type: GrantFiled: May 25, 2021Date of Patent: June 7, 2022Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Tsung-Hsien Lin, Heng-Yi Tseng, Cheng-Chang Li, Li-Min Chang, Kuan-Wu Lin, Yi-Han Tseng
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Publication number: 20220146873Abstract: A smart window includes two transparent substrates and a liquid crystal layer. The two transparent substrates are opposite to each other and are electrically connected to a voltage supply. A first pulse voltage or a second pulse voltage is provided between the two transparent substrates by the voltage supply. The liquid crystal layer is located between the two transparent substrates and has a liquid crystal material. The liquid crystal material has a pitch of at most 250 nanometers or at least 500 nanometers. The liquid crystal material includes a nematic liquid crystal, a rotatory molecule, and a photochromic dye mixed with each other. The liquid crystal material changes a transmittance corresponding to a specific light wavelength range when receiving a light. The liquid crystal material is switched between a planar texture and a focal-conic texture respectively according to the first pulse voltage and the second pulse voltage.Type: ApplicationFiled: November 30, 2020Publication date: May 12, 2022Inventors: Tsung-Hsien Lin, Cheng-Chang Li, Heng-Yi Tseng, Hung-Chang Jau, Li-Min Chang, Kuan-Wu Lin
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Patent number: 11175557Abstract: A transmittable lighting device is provided. The transmittable lighting device includes two substrates, a transmittable layer, two polarizers and a light source. The two substrates are respectively electrically connected to a voltage supply. A switchable electric field is provided between the two substrates, and two alignment directions of the two substrates are orthogonal to each other. The transmittable layer is located between the two substrates and has a plurality of liquid crystal molecules. Each of the plurality of liquid crystal molecule is arranged along the alignment direction of the substrate nearby, and the plurality of liquid crystal molecules is arranged in a 90-degree twisted arrangement. The two polarizers are located at two outer surfaces of the two substrates, respectively. Each polarizer has a polarization direction parallel to the alignment direction of the substrate on the same outer surface. The light source emits a lateral light entering the transmittable layer laterally.Type: GrantFiled: July 29, 2020Date of Patent: November 16, 2021Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Tsung-Hsien Lin, Cheng-Chang Li, Heng-Yi Tseng, Hung-Chang Jau, Li-Min Chang, Kuan-Wu Lin
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Patent number: 10788712Abstract: A multi-function light-adjusting glass includes first and second substrates delimiting an intermediate space therebetween, a light-adjusting layer disposed in the intermediate space, and a first polarizing board located at an outer side of the first substrate away from the intermediate space, and a second polarizing board located at an outer side of the second substrate away from the intermediate space. Each substrate includes an electrically conductive film on an inner surface of the substrate facing the intermediate space, and an alignment film disposed between the electrically conductive film and the intermediate space. The two alignment films respectively have two alignment directions orthogonal to each other. The light-adjusting layer includes liquid crystal molecules and salt-in ions.Type: GrantFiled: June 24, 2019Date of Patent: September 29, 2020Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Tsung-Hsien Lin, Cheng-Chang Li, Heng-Yi Tseng, Hung-Chang Jau, Duan-Yi Guo, Li-Min Chang
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Patent number: 10705366Abstract: A method for fabricating micro-cell structures is provided and has providing a liquid crystal mixture; performing a heating step on the liquid crystal mixture at a temperature ranging from 45° C. to 150° C., performing a heat induced phase separation step on the liquid crystal mixture at a thermal phase separation temperature for a thermal phase separation titre such that the liquid crystal mixture forms liquid crystal particles and a network light-curing adhesive, wherein the thermal phase separation temperature and the thermal phase separation time are determined by a changing rate of a bright area ratio of the liquid crystal mixture; and performing a photo-curing step on the liquid crystal mixture by emitting an ultraviolet light so that a plurality of micro-cell structures are formed. The micro-cell structures with different transparency are fabricated based on different values of the thermal phase separation temperature and the thermal phase separation time.Type: GrantFiled: April 26, 2018Date of Patent: July 7, 2020Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Tsung-Hsien Lin, Cheng-Chang Li, Heng-Yi Tseng, Hung-Chang Jau, Jin-Wei Lin
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Publication number: 20200137426Abstract: A matching method of a shared display module is provided and has steps of: receiving, by a mediation platform, a service requirement specification, wherein the service requirement specification has a lease time zone of at least one display module disposed an a building exterior wall; comparing, by the mediation platform, the service requirement specification with at least one service providing specification of a plurality of service providers in the mediation platform; and transmitting, by the mediation platform, at least one compared service providing specification matching with the service requirement specification to a user end of the service requirement specification. The matching method matches a leasable time zone of the display module on the building exterior wall by the mediation platform, so that the display module displays an image or a video demanded by the user end.Type: ApplicationFiled: December 16, 2018Publication date: April 30, 2020Inventors: Tsung-Hsien LIN, Cheng-Chang Li, Heng-Yi Tseng, Hung-Chang Jau
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Publication number: 20190331956Abstract: A method for fabricating micro-cell structures is provided and has providing a liquid crystal mixture; performing a heating step on the liquid crystal mixture at a temperature ranging from 45° C. to 150° C., performing a heat induced phase separation step on the liquid crystal mixture at a thermal phase separation temperature for a thermal phase separation titre such that the liquid crystal mixture forms liquid crystal particles and a network light-curing adhesive, wherein the thermal phase separation temperature and the thermal phase separation time are determined by a changing rate of a bright area ratio of the liquid crystal mixture; and performing a photo-curing step on the liquid crystal mixture by emitting an ultraviolet light so that a plurality of micro-cell structures are formed. The micro-cell structures with different transparency are fabricated based on different values of the thermal phase separation temperature and the thermal phase separation time.Type: ApplicationFiled: April 26, 2018Publication date: October 31, 2019Inventors: Tsung-Hsien LIN, Cheng-Chang LI, Heng-Yi TSENG, Hung-Chang JAU, Jin-Wei LIN
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Patent number: 9632516Abstract: A gas-supply system includes a gas container filled with gas, a gas flow controller coupled to the gas container, and an operation device electrically connected to the gas flow controller. The gas-supply system further includes a buffer tank coupled to the gas flow controller and configured to receive the gas from the gas container via the gas flow controller. Furthermore, a pressure transducer disposed on the buffer tank and configured to generate a pressure signal to the operation device according to the pressure of the gas in the buffer tank. The operation device is configured to generate a control signal to the gas flow controller according the pressure signal, and the gas flow controller is configured to adjust the flow rate of the gas according to the control signal to keep the pressure of the gas in the buffer tank in a predetermined pressure range.Type: GrantFiled: March 11, 2014Date of Patent: April 25, 2017Assignee: TAWAN SEMICONDUCTOR MANUFACTURING CO., LTDInventors: Yung-Long Chen, Chun-Feng Hsu, Heng-Yi Tseng, Chieh-Jan Huang, Chin-Hsing Su, Yung-Ching Chen