Patents by Inventor Wei-Hung Tsai
Wei-Hung Tsai 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: 11955460Abstract: In accordance with some embodiments, a package-on-package (PoP) structure includes a first semiconductor package having a first side and a second side opposing the first side, a second semiconductor package having a first side and a second side opposing the first side, and a plurality of inter-package connector coupled between the first side of the first semiconductor package and the first side of the second semiconductor package. The PoP structure further includes a first molding material on the second side of the first semiconductor package. The second side of the second semiconductor package is substantially free of the first molding material.Type: GrantFiled: October 5, 2020Date of Patent: April 9, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yi-Da Tsai, Meng-Tse Chen, Sheng-Feng Weng, Sheng-Hsiang Chiu, Wei-Hung Lin, Ming-Da Cheng, Ching-Hua Hsieh, Chung-Shi Liu
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Patent number: 11942993Abstract: An optical transmission device includes: a control module generate a control signal output which includes a slope adjust signal and a bias voltage offset adjust signal according to an input signal indicating a dispersion amount an electrical level adjust signal; a multi-level pulse amplitude modulator; and an asymmetrical optical modulator which is controlled by the slope adjust signal to be operated at one of a positive slope and a negative slope of a transfer function of the asymmetrical optical modulator itself, and is controlled by the bias voltage offset adjust signal of the control signal output to offset a bias voltage point of the asymmetrical optical modulator itself from a quadrature point of the transfer function, and modulates the multi-level pulse amplitude modulation signal to an optical signal to generate an optical modulate signal having a chirp.Type: GrantFiled: December 18, 2020Date of Patent: March 26, 2024Assignee: Molex, LLCInventors: Kuen-Ting Tsai, Wei-Hung Chen, Zuon-Min Chuang, Yao-Wen Liang
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Patent number: 11940737Abstract: A method includes receiving a device design layout and a scribe line design layout surrounding the device design layout. The device design layout and the scribe line design layout are rotated in different directions. An optical proximity correction (OPC) process is performed on the rotated device design layout and the rotated scribe line design layout. A reticle includes the device design layout and the scribe line design layout is formed after performing the OPC process.Type: GrantFiled: May 7, 2021Date of Patent: March 26, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Hsueh-Yi Chung, Yung-Cheng Chen, Fei-Gwo Tsai, Chi-Hung Liao, Shih-Chi Fu, Wei-Ti Hsu, Jui-Ping Chuang, Tzong-Sheng Chang, Kuei-Shun Chen, Meng-Wei Chen
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Publication number: 20240096787Abstract: A semiconductor device structure is provided. The semiconductor device structure includes an interconnection structure over a semiconductor substrate and a conductive pillar over the interconnection structure. The conductive pillar has a protruding portion extending towards the semiconductor substrate from a lower surface of the conductive pillar. The semiconductor device structure also includes an upper conductive via between the conductive pillar and the interconnection structure and a lower conductive via between the upper conductive via and the interconnection structure. The lower conductive via is electrically connected to the conductive pillar through the upper conductive via. The conductive pillar extends across opposite sidewalls of the upper conductive via and opposite sidewalls of the lower conductive via. A top view of an entirety of the second conductive via is separated from a top view of an entirety of the protruding portion.Type: ApplicationFiled: November 29, 2023Publication date: March 21, 2024Inventors: Ming-Da CHENG, Wei-Hung LIN, Hui-Min HUANG, Chang-Jung HSUEH, Po-Hao TSAI, Yung-Sheng LIN
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Publication number: 20240088293Abstract: An n-type metal oxide semiconductor transistor includes a gate structure, two source/drain regions, two amorphous portions and a silicide. The gate structure is disposed on a substrate. The two source/drain regions are disposed in the substrate and respectively located at two sides of the gate structure, wherein at least one of the source/drain regions is formed with a dislocation. The two amorphous portions are respectively disposed in the two source/drain regions. The silicide is disposed on the two source/drain regions, wherein at least one portion of the silicide overlaps the two amorphous portions.Type: ApplicationFiled: October 5, 2022Publication date: March 14, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: Chun-Ya Chiu, Ssu-I Fu, Chin-Hung Chen, Jin-Yan Chiou, Wei-Chuan Tsai, Yu-Hsiang Lin
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Patent number: 11733076Abstract: An airflow detection device for detecting whether an air output path is obstructed can be mounted in the air output path and includes a carrying portion, a metallic sensing portion and a metallic air plate portion that are respectively positioned on the carrying portion and have different electrode polarities, so as to detect obstruction of the air output path. The airflow detection device can be applied to products located in remote areas, mountain areas, or other places where maintenance workers cannot inspect the products frequently for the state of their dust screens or ventilation holes, and can help warn of conditions such as ventilation hole obstruction to avoid product overheating due to dust or dirt accumulation on dust screens or ventilation hole obstruction, adverse impacts on product performance, service live or stability, or system crash.Type: GrantFiled: October 13, 2021Date of Patent: August 22, 2023Assignee: Alpha Networks Inc.Inventor: Wei-Hung Tsai
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Publication number: 20220326054Abstract: An airflow detection device for detecting whether an air output path is obstructed can be mounted in the air output path and includes a carrying portion, a metallic sensing portion and a metallic air plate portion that are respectively positioned on the carrying portion and have different electrode polarities, so as to detect obstruction of the air output path. The airflow detection device can be applied to products located in remote areas, mountain areas, or other places where maintenance workers cannot inspect the products frequently for the state of their dust screens or ventilation holes, and can help warn of conditions such as ventilation hole obstruction to avoid product overheating due to dust or dirt accumulation on dust screens or ventilation hole obstruction, adverse impacts on product performance, service live or stability, or system crash.Type: ApplicationFiled: October 13, 2021Publication date: October 13, 2022Applicant: Alpha Networks Inc.Inventor: Wei-Hung TSAI
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Publication number: 20210080629Abstract: A light source module including first, second and third color light sources, and first, second, third and fourth fixed gratings is provided. Colors of the first, second and third color light sources are substantially different, and light exit directions of the first, second and third color light sources are a first direction. The first fixed grating is disposed downstream the first color light source. The second fixed grating is disposed downstream the second color light source. The third fixed grating is disposed downstream the third color light source. The fourth fixed grating is disposed downstream the first, second and third fixed gratings. A first optical path between the first fixed grating and the first color light source, a second optical path between the second fixed grating and the second color light source, and a third optical path between the third fixed grating and the third color light source are independent.Type: ApplicationFiled: September 10, 2020Publication date: March 18, 2021Applicant: Young Optics Inc.Inventor: Wei-Hung Tsai
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Patent number: 10732442Abstract: An optical device includes a waveguide device, a reflective-type light valve and a projection lens. The waveguide device receives a first polarized beam and includes a first surface, a second surface and the first grating. The first grating is disposed in a path of the first polarized beam to change a propagation direction of the first polarized beam, and the first polarized beam passes through the first surface, the first grating and the second surface in succession. The reflective-type light valve is disposed downstream from the second surface of the waveguide device to convert the first polarized beam into an image beam. The projection lens is disposed downstream from the reflective-type light valve, and the image beam passing through the second surface of the waveguide device, the first grating and the projection lens in succession.Type: GrantFiled: May 28, 2019Date of Patent: August 4, 2020Assignee: Young Optics Inc.Inventors: Ya-Ling Hsu, Wei-Hung Tsai
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Publication number: 20200019000Abstract: An optical device includes a waveguide device, a reflective-type light valve and a projection lens. The waveguide device receives a first polarized beam and includes a first surface, a second surface and the first grating. The first grating is disposed in a path of the first polarized beam to change a propagation direction of the first polarized beam, and the first polarized beam passes through the first surface, the first grating and the second surface in succession. The reflective-type light valve is disposed downstream from the second surface of the waveguide device to convert the first polarized beam into an image beam. The projection lens is disposed downstream from the reflective-type light valve, and the image beam passing through the second surface of the waveguide device, the first grating and the projection lens in succession.Type: ApplicationFiled: May 28, 2019Publication date: January 16, 2020Inventors: Ya-Ling HSU, Wei-Hung TSAI
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Patent number: 10443802Abstract: A projection film and a projection device are provided. The projection film includes a pattern layer, a first light-transmission layer, a second light-transmission layer and a plurality of light-transmission particles. The pattern layer includes a light-transmission portion and a non-light-transmission portion. The first light-transmission layer is disposed below the pattern layer. The second light-transmission layer is disposed below the first light-transmission layer. The light-transmission particles are disposed between the first light-transmission layer and the second light-transmission layer. The impurity generated by the light-transmission particles will be reduced by utilizing a second light-transmission layer having a refractive index close to the refractive index of the light-transmission particles.Type: GrantFiled: August 21, 2018Date of Patent: October 15, 2019Assignee: YOUNG OPTICS INC.Inventor: Wei-Hung Tsai
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Patent number: 10442346Abstract: A lamp device includes a light source, a slide and a projection lens assembly. The light source generates an illumination beam, and the slide is disposed in a light path of the illumination beam. The slide has a profile image layer and a gradient layer, and the profile image layer and the gradient layer are disposed on two opposite sides of the slide. The profile image layer converts the illumination beam into profile image light without gradients, and the gradient layer converts the illumination beam into gradient light. The projection lens assembly receives and projects the gradient light and the profile image light.Type: GrantFiled: November 28, 2017Date of Patent: October 15, 2019Assignee: Young Optics Inc.Inventors: Wei-Hung Tsai, Ya-Ling Hsu, Hung-Chi Su
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Publication number: 20190063711Abstract: A projection film and a projection device are provided. The projection film includes a pattern layer, a first light-transmission layer, a second light-transmission layer and a plurality of light-transmission particles. The pattern layer includes a light-transmission portion and a non-light-transmission portion. The first light-transmission layer is disposed below the pattern layer. The second light-transmission layer is disposed below the first light-transmission layer. The light-transmission particles are disposed between the first light-transmission layer and the second light-transmission layer. The impurity generated by the light-transmission particles will be reduced by utilizing a second light-transmission layer having a refractive index close to the refractive index of the light-transmission particles.Type: ApplicationFiled: August 21, 2018Publication date: February 28, 2019Inventor: Wei-Hung Tsai
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Publication number: 20190039509Abstract: A lamp device includes a light source, a slide and a projection lens assembly. The light source generates an illumination beam, and the slide is disposed in a light path of the illumination beam. The slide has a profile image layer and a gradient layer, and the profile image layer and the gradient layer are disposed on two opposite sides of the slide. The profile image layer converts the illumination beam into profile image light without gradients, and the gradient layer converts the illumination beam into gradient light. The projection lens assembly receives and projects the gradient light and the profile image light.Type: ApplicationFiled: November 28, 2017Publication date: February 7, 2019Inventors: Wei-Hung TSAI, Ya-Ling HSU, Hung-Chi SU
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Patent number: 9939715Abstract: A projection device is disposable into a display platform of a display rack having a plurality of display platforms, for directly projecting an image frame onto a projection screen of the display platform. The image frame projected to the projection screen is not reflected by any reflective mirror arranged between the projection device and the projection screen. A length of the image frame in a first direction is equal to at least ten times a length of the image frame in a second direction. Since no reflective mirror is arranged between the projection device and the projection screen, the projection device is more easily applicable to display racks.Type: GrantFiled: December 28, 2015Date of Patent: April 10, 2018Assignee: YOUNG OPTICS INC.Inventors: Ching-Lun Lin, Ming-Chi Chen, Ya-Ling Hsu, Wen-Hao Hsu, Chao-Shun Chen, Wei-Hung Tsai
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Publication number: 20160238920Abstract: A projection device is disposable into a display platform of a display rack having a plurality of display platforms, for directly projecting an image frame onto a projection screen of the display platform. The image frame projected to the projection screen is not reflected by any reflective mirror arranged between the projection device and the projection screen. A length of the image frame in a first direction is equal to at least ten times a length of the image frame in a second direction. Since no reflective mirror is arranged between the projection device and the projection screen, the projection device is more easily applicable to display racks.Type: ApplicationFiled: December 28, 2015Publication date: August 18, 2016Inventors: Ching-Lun LIN, Ming-Chi CHEN, Ya-Ling HSU, Wen-Hao HSU, Chao-Shun CHEN, Wei-Hung TSAI
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Patent number: 9268143Abstract: An image rearranging lens and a projection apparatus are provided. The image rearranging lens is used to rearrange a plurality of sub images provided by an image source and arranged along an arranging direction. The image rearranging lens includes a plurality of lens groups arranged along the arranging direction. Each of the sub images is imaged on a corresponding lens group. Optical axes of the lens groups are not aligned to each other along the arranging direction. The optical axis of each of the lens groups and the optical axis of the neighboring lens groups have an offset along a direction perpendicular to the arranging direction.Type: GrantFiled: December 25, 2013Date of Patent: February 23, 2016Assignee: Young Optics Inc.Inventors: Chih-Hsien Tsai, Wei-Hung Tsai, Hung-Chih Chou
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Patent number: 8855484Abstract: The present invention is to provide a method applicable to a fiber-optic transceiver including a transmitter optical subassembly (TOSA) provided therein with a laser diode, but without a monitoring photodiode, a laser driver controlled by a controller IC for driving the laser diode to generate a laser beam, and a thermal sensor for sensing temperature of the laser diode. The method includes executing an approximation process to characteristic data, i.e.Type: GrantFiled: August 14, 2012Date of Patent: October 7, 2014Assignee: Alpha Networks Inc.Inventor: Wei-Hung Tsai
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Publication number: 20140198302Abstract: An image rearranging lens and a projection apparatus are provided. The image rearranging lens is used to rearrange a plurality of sub images provided by an image source and arranged along an arranging direction. The image rearranging lens includes a plurality of lens groups arranged along the arranging direction. Each of the sub images is imaged on a corresponding lens group. Optical axes of the lens groups are not aligned to each other along the arranging direction. The optical axis of each of the lens groups and the optical axis of the neighboring lens groups have an offset along a direction perpendicular to the arranging direction.Type: ApplicationFiled: December 25, 2013Publication date: July 17, 2014Applicant: YOUNG OPTICS INC.Inventors: Chih-Hsien Tsai, Wei-Hung Tsai, Hung-Chih Chou
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Publication number: 20130230314Abstract: The present invention is to provide a method applicable to a fiber-optic transceiver including a transmitter optical subassembly (TOSA) provided therein with a laser diode, but without a monitoring photodiode, a laser driver controlled by a controller IC for driving the laser diode to generate a laser beam, and a thermal sensor for sensing temperature of the laser diode. The method includes executing an approximation process to characteristic data, i.e.Type: ApplicationFiled: August 14, 2012Publication date: September 5, 2013Applicant: Alpha Networks Inc.Inventor: Wei-Hung TSAI