Patents by Inventor Hsi To Li
Hsi To Li 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: 9285580Abstract: A light valve module including a first shell, a second shell, a light valve, an elastic pad and a sealant is provided. The first shell has an opening. The second shell is assembled to the first shell. The first shell and the second shell form a containing space therebetween. The light valve is disposed in the containing space and is exposed by the opening. The elastic pad is disposed between the first shell and the second shell for sealing the containing space. The sealant is adhered at a periphery of the opening and the light valve for sealing the containing space. In addition, a projection device having the light valve module is also provided.Type: GrantFiled: October 23, 2012Date of Patent: March 15, 2016Assignee: Young Optics Inc.Inventors: Wei-Szu Lin, Kang-Hsi Li
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Patent number: 9128357Abstract: A vehicular projection system including a projection apparatus, a beam splitting module, and two projection screens is provided. The projection apparatus provides at least one image light beam. The beam splitting module divides the image light beam into a first image light beam and a second image light beam. The two projection screens receive the first image light beam and the second image light beam respectively. Each of the first image light beam and the second image light beam respectively forms an image on one of the two projection screens corresponding thereto.Type: GrantFiled: July 12, 2012Date of Patent: September 8, 2015Assignee: Young Optics Inc.Inventors: Po-Jen Chung, Wei-Szu Lin, Chih-Hsien Tsai, Kang-Hsi Li, Hung-Chih Chou, Chien-Jung Huang
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Patent number: 9117500Abstract: A write assist cell includes a first pull-down circuit configured to transfer data from a first bit line to a second bit line during a write operation. The write assist cell further includes a second pull-down circuit configured to transfer data from a third bit line to a fourth bit line during a read operation, wherein the write operation and the read operation occur simultaneously. A memory device includes a memory array, the memory array comprises a first bit line and a second bit line. The memory device further includes a write assist cell connected to the memory array, wherein the write assist cell is configured to transfer data from the first bit line in a write operation to the second bit line in a read operation, and the write operation and the read operation occur simultaneously. The memory device further includes a multiplexer connected to the write assist cell.Type: GrantFiled: January 30, 2014Date of Patent: August 25, 2015Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Jui-Jen Wu, Shau-Wei Lu, Robert Lo, Kun-Hsi Li
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Publication number: 20150129295Abstract: A double-shot injection molding formed LED lead frame structure includes an inner base having an inner bottom portion and an inner surrounding wall surrounding on top of the inner bottom portion, the inner surrounding wall forming a central hollow portion on top of the inner bottom portion, and the inner bottom portion having an inner surface facing toward the central hollow portion; a plurality of conductive pins with each one thereof constructed by a soldering section, a securement section and an extension section respectively; and an outer base comprising an outer bottom portion attached to a bottom of the inner bottom portion and an outer surrounding wall surrounding on top of the outer bottom portion and enclosing an outer of the inner surrounding wall; wherein each one of the securement sections of the conductive pins extends to arch between the inner bottom portion and the inner surrounding wall.Type: ApplicationFiled: November 11, 2013Publication date: May 14, 2015Applicant: I-CHIUN PRECISION INDUSTRY CO., LTD.Inventors: Ting-Hsi LI, Yu-Jen LIN
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Patent number: 8958018Abstract: A remote control device for a separate electronic device to be controlled has a secondary display screen, at least one user-input mechanism, and at least one microprocessor running a user interface application for use in providing control over operation of the electronic device to be controlled. The user interface application causes a user interface to be displayed on the display screen of the remote control device, and the user interface displayed on the display screen graphically mirrors a corresponding user interface independently run by the electronic device to be controlled. The remote control device also has a transmitter and receiver mounted within the body enabling a two-way wireless communication link to be established with the electronic device to be controlled. Apparatus and a method for controlling operation of a media display system are also described.Type: GrantFiled: December 22, 2010Date of Patent: February 17, 2015Assignee: Google Technology Holdings LLCInventors: Brian J. Sibilsky, Ramy S. Ayoub, Loren J. Rittle, Wu-Hsi Li, Alvin D. Yates
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Patent number: 8848461Abstract: A semiconductor device includes at least one memory cell die. The at least one memory cell die includes a data storage unit. The at least one memory cell die includes at least one read assist enabling unit electrically connected to the data storage unit. The at least one read assist enabling unit configured to lower a voltage of a word line. The memory cell die also includes at least one write assist enabling unit electrically connected to the data storage unit. The at least one write assist enabling unit configured to supply a negative voltage to at least one of a bit line or a bit line bar.Type: GrantFiled: May 4, 2012Date of Patent: September 30, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Jonathan Tsung-Yung Chang, Kun-Hsi Li, Chiting Cheng
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Patent number: 8767493Abstract: An SRAM differential voltage sensing apparatus is coupled to a memory circuit. The memory circuit comprises a memory bank, a plurality of bit lines, a plurality of data lines coupled to the plurality of bit lines via a plurality of transmission gates and a sense amplifier. When the sense amplifier operates in a characterization mode, the transmission gates and pre-charge circuits are turned off. The differential voltage sensing apparatus applies a characterization signal to the sense amplifier and obtains the parameters of the memory circuit through a trial and error process.Type: GrantFiled: June 27, 2011Date of Patent: July 1, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yen-Huei Chen, Kun-hsi Li, Shao-Yu Chou, Hung-Jen Liao, Wei Min Chan
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Publication number: 20140146619Abstract: A write assist cell includes a first pull-down circuit configured to transfer data from a first bit line to a second bit line during a write operation. The write assist cell further includes a second pull-down circuit configured to transfer data from a third bit line to a fourth bit line during a read operation, wherein the write operation and the read operation occur simultaneously. A memory device includes a memory array, the memory array comprises a first bit line and a second bit line. The memory device further includes a write assist cell connected to the memory array, wherein the write assist cell is configured to transfer data from the first bit line in a write operation to the second bit line in a read operation, and the write operation and the read operation occur simultaneously. The memory device further includes a multiplexer connected to the write assist cell.Type: ApplicationFiled: January 30, 2014Publication date: May 29, 2014Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Jui-Jen WU, Shau-Wei LU, Robert LO, Kun-Hsi LI
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Publication number: 20140075751Abstract: The invention relates to a method for manufacturing LED lead frame. The method comprises steps of: (a) forming a metal base with a plurality of lead areas by injection molding; (b) electroplating the metal base; and (c) forming an insulating casing on each of the lead areas.Type: ApplicationFiled: January 2, 2013Publication date: March 20, 2014Applicant: I-CHIUN PRECISION INDUSTRY CO., LTD.Inventors: Ting-Hsi LI, Yu-Jen LIN
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Patent number: 8675418Abstract: A memory includes a memory cell, two word lines coupled to the memory cell, two bit lines coupled to the memory cell, and a write assist cell. The write assist cell is configured to transfer data of one bit line in a write operation to the other bit line in a read operation when one word line is used for the write operation, the other word line is used for the read operation, and the two word lines are asserted simultaneously.Type: GrantFiled: August 31, 2010Date of Patent: March 18, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Jui-Jen Wu, Shau-Wei Lu, Robert Lo, Kun-Hsi Li
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Publication number: 20130293853Abstract: A light valve module including a first shell, a second shell, a light valve, an elastic pad and a sealant is provided. The first shell has an opening. The second shell is assembled to the first shell. The first shell and the second shell form a containing space therebetween. The light valve is disposed in the containing space and is exposed by the opening. The elastic pad is disposed between the first shell and the second shell for sealing the containing space. The sealant is adhered at a periphery of the opening and the light valve for sealing the containing space. In addition, a projection device having the light valve module is also provided.Type: ApplicationFiled: October 23, 2012Publication date: November 7, 2013Inventors: Wei-Szu Lin, Kang-Hsi Li
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Publication number: 20130294181Abstract: A semiconductor device includes at least one memory cell die. The at least one memory cell die includes a data storage unit. The at least one memory cell die includes at least one read assist enabling unit electrically connected to the data storage unit. The at least one read assist enabling unit configured to lower a voltage of a word line. The memory cell die also includes at least one write assist enabling unit electrically connected to the data storage unit. The at least one write assist enabling unit configured to supply a negative voltage to at least one of a bit line or a bit line bar.Type: ApplicationFiled: May 4, 2012Publication date: November 7, 2013Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Jonathan Tsung-Yung CHANG, Kun-Hsi LI, Chiting CHENG
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Patent number: 8553425Abstract: An exemplary portable electronic device includes a housing, a circuit board, starting module set on the circuit board for starting the portable electronic device, and an assembly module. The assembly module helps assembles the housing and the circuit board together and forms a part of circuitry associated with the starting module. When the assembly module is disassembled from the housing and the circuit board, the starting module cannot start the portable electronic device.Type: GrantFiled: June 29, 2011Date of Patent: October 8, 2013Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Tsung-Hsi Li, Ming-Chih Hsieh
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Patent number: 8475182Abstract: A board-to-board connector includes a double plastic pin header connector and a supporting plate. The double plastic pin header connector includes two opposite positioning plates, and a number of pin headers arranged in two rows and extending through the positioning plates. The supporting plate is placed between the two rows of pin headers, with opposite ends of the supporting plate resisting against the corresponding positioning plates.Type: GrantFiled: April 6, 2011Date of Patent: July 2, 2013Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Tsung-Hsi Li, Ming-Chih Hsieh
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Publication number: 20130100527Abstract: A vehicular projection system including a projection apparatus, a beam splitting module, and two projection screens is provided. The projection apparatus provides at least one image light beam. The beam splitting module divides the image light beam into a first image light beam and a second image light beam. The two projection screens receive the first image light beam and the second image light beam respectively. Each of the first image light beam and the second image light beam respectively forms an image on one of the two projection screens corresponding thereto.Type: ApplicationFiled: July 12, 2012Publication date: April 25, 2013Applicant: YOUNG OPTICS INC.Inventors: Po-Jen Chung, Wei-Szu Lin, Chih-Hsien Tsai, Kang-Hsi Li, Hung-Chih Chou, Chien-Jung Huang
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Publication number: 20130094002Abstract: A projection system used in a vehicle including a projection apparatus, a projection screen, and an image correction module is provided. The projection apparatus provides an image beam. The projection screen receives the image beam. The image beam forms an image on the projection screen. The projection screen is a non-flat plane. The image correction module corrects the image beam to compensate a distortion of the projected image based on the surface contour of the image screen.Type: ApplicationFiled: July 5, 2012Publication date: April 18, 2013Applicant: YOUNG OPTICS INC.Inventors: Po-Jen Chung, Wei-Szu Lin, Chih-Hsien Tsai, Kang-Hsi Li, Hung-Chih Chou, Chien-Jung Huang
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Publication number: 20130088441Abstract: A touch display apparatus including a first projecting screen and a projection apparatus is provided. The first projecting screen has a first curved surface. The first curved surface is capable of receiving a touch input instruction and has at least one tactile sense identify region. A sense of touch of the tactile sense identify region is different from a sense of touch of the other regions of the first curved surface. The projection apparatus is capable of projecting a projecting beam toward the first curved surface so as to form an image.Type: ApplicationFiled: July 3, 2012Publication date: April 11, 2013Applicant: YOUNG OPTICS INC.Inventors: Po-Jen Chung, Wei-Szu Lin, Chih-Hsien Tsai, Kang-Hsi Li, Hung-Chih Chou, Chien-Jung Huang
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Patent number: 8403688Abstract: An electronic device includes an enclosure, and an operation device. The enclosure includes a first sidewall, and a second sidewall connected to a rear end of the first sidewall. A receiving recess is defined in the first sidewall and extends through the second sidewall, to receive a universal serial bus (USB) device. A USB port is installed in receiving recess away from the second sidewall, to be connected to the USB device. The operation device is pivotably connected to the receiving recess and includes two spaced arms to sandwich the USB device when the USB device is connected to the USB port. When the operation device is rotated in a predetermined direction, the arms move toward the second sidewall, to push the connected USB device to disengage from the USB port.Type: GrantFiled: July 27, 2011Date of Patent: March 26, 2013Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Tsung-Hsi Li, Ming-Chih Hsieh
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Patent number: 8379320Abstract: A lens module includes a lens, a cam and an actuator. The lens has two driven parts disposed at one side of the lens. The cam is disposed beside the lens and has a rotation shaft and two cam surfaces, and a portion of the cam is located between the two driven parts. The two cam surfaces have the same shape and are on opposite sides of the cam. The two cam surfaces are in contact with the two driven parts respectively. The actuator is coupled with the rotation shaft and adapted to rotate the cam.Type: GrantFiled: July 27, 2011Date of Patent: February 19, 2013Assignee: Young Optics Inc.Inventors: Chih-Chien Lin, Kang-Hsi Li
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Patent number: D689536Type: GrantFiled: July 25, 2012Date of Patent: September 10, 2013Assignee: Ingrasys Technology Inc.Inventors: Tsung-Hsi Li, Shu-Yun Huang