Patents by Inventor Po Jen Tsai
Po Jen 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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Publication number: 20250096522Abstract: An optoelectronic device includes a first substrate, a second substrate, a photonic integrated circuit, and a laser diode. The second substrate is over the first substrate. The photonic integrated circuit is disposed on the first substrate and includes a first waveguide channel, a second waveguide channel, and a patterned structure. The first waveguide channel and the second waveguide channel are coupled to the patterned structure. The laser diode is disposed on the second substrate and configured to emit a light beam toward the patterned structure.Type: ApplicationFiled: September 19, 2024Publication date: March 20, 2025Applicant: AuthenX Inc.Inventors: Sheng-Fu LIN, Po-Kuan SHEN, Yi-Ting LU, Chu-Ching TSAI, Jenq-Yang CHANG, Mao-Jen WU
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Publication number: 20250089389Abstract: An image sensor includes a sensor layer and a color filter layer disposed on the sensor layer. The image sensor further includes a lens layer disposed on the color filter layer. The lens layer includes a plurality of micro lenses. The image sensor further includes a first cut filter layer disposed over the lens layer. The first surface of the first cut filter layer has a plurality of first protrusions.Type: ApplicationFiled: September 12, 2023Publication date: March 13, 2025Inventors: Shin-Hong KUO, Po-Hsiang WANG, Han-Lin WU, Hung-Jen TSAI
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Patent number: 9906200Abstract: A power filter is provided, including a circuit board module, an insulating base, several connect terminals, and an inductor. The circuit board module includes a circuit board and several electronic components, wherein the circuit board forms several connect holes thereon and the electronic components are electrically connected to the circuit board. The connect terminals are fixed on the insulating base and each has a connecting part and a clamping part, wherein the connecting parts are joined with the connect holes of the circuit board. The inductor includes at least one wire with both terminals clamped by the clamping parts, and the wire is electrically connected to the circuit board module through the connecting parts.Type: GrantFiled: November 2, 2015Date of Patent: February 27, 2018Assignee: DELTA ELECTRONICS, INC.Inventors: Shin-Chih Hsieh, Po-Jen Tsai, Chia-Chi Hsieh
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Publication number: 20170203691Abstract: The vehicle of no blind spot contains a vehicle body, a number of monitoring devices along the vehicle body's circumference, a number of display devices inside the vehicle electrically connected to at least a corresponding monitoring device. The display device contains a flexible screen. By presenting views around the front, center, and rear pillars, the driver's blind spot problem is resolved and driving safety is enhanced.Type: ApplicationFiled: January 20, 2016Publication date: July 20, 2017Inventors: Yu-Chen Chou, Po-Jen Tsai
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Publication number: 20160276998Abstract: A power filter is provided, including a circuit board module, an insulating base, several connect terminals, and an inductor. The circuit board module includes a circuit board and several electronic components, wherein the circuit board forms several connect holes thereon and the electronic components are electrically connected to the circuit board. The connect terminals are fixed on the insulating base and each has a connecting part and a clamping part, wherein the connecting parts are joined with the connect holes of the circuit board. The inductor includes at least one wire with both terminals clamped by the clamping parts, and the wire is electrically connected to the circuit board module through the connecting parts.Type: ApplicationFiled: November 2, 2015Publication date: September 22, 2016Inventors: SHIN-CHIH HSIEH, PO-JEN TSAI, CHIA-CHI HSIEH
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Patent number: 8624689Abstract: A power line filter including a socket, a housing, a plurality of filter elements and a ground inductor is disclosed. The socket includes at least one power pin and a ground pin. The housing is assembled with the socket, and includes a first receptacle and a second receptacle. The opening direction of the first receptacle is opposite to the opening direction of the second receptacle. The plurality of filter elements is disposed in the first receptacle. At least one of the filter elements is electrically connected to the power pin. The ground inductor is disposed in the second receptacle and electrically connected to the ground pin.Type: GrantFiled: October 6, 2010Date of Patent: January 7, 2014Assignee: Delta Electronics, Inc.Inventors: Shin-Chih Hsieh, Po-Jen Tsai
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Patent number: 7956837Abstract: A method for eliminating shadow around a support pin of an LED backlight is provided. The method includes determining a luminance value for the plurality of LEDs according to a gray level distribution of pixels around the support pin, and setting the plurality of LEDs to the luminance value. The method may also include adjusting gray levels of related pixels according to the luminance profile of pixels around the support pin.Type: GrantFiled: August 1, 2006Date of Patent: June 7, 2011Assignee: Au Optronics CorporationInventors: Te-Mei Wang, Po-Jen Tsai
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Publication number: 20110080231Abstract: A power line filter including a socket, a housing, a plurality of filter elements and a ground inductor is disclosed. The socket includes at least one power pin and a ground pin. The housing is assembled with the socket, and includes a first receptacle and a second receptacle. The opening direction of the first receptacle is opposite to the opening direction of the second receptacle. The plurality of filter elements is disposed in the first receptacle. At least one of the filter elements is electrically connected to the power pin. The ground inductor is disposed in the second receptacle and electrically connected to the ground pin.Type: ApplicationFiled: October 6, 2010Publication date: April 7, 2011Inventors: Shin-Chih HSIEH, Po-Jen Tsai
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Patent number: 7889047Abstract: A magnetic device includes a circuit board, a magnetic induction element, an insulating structure and a plurality of conductive wire segments. The circuit board has at least one conductive layer. The magnetic induction element is disposed on the circuit board. The insulating structure covers the magnetic induction element. The insulating structure is wound by the conductive wire segments. Two ends of each conductive wire segments are electrically connected to the conductive layer to form a coil loop.Type: GrantFiled: March 20, 2008Date of Patent: February 15, 2011Assignee: Delta Electronics Inc.Inventors: Chung-Jung Yang, Chuan-Yuan Kung, Man-Mei Chen, Po-Jen Tsai
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Publication number: 20090160596Abstract: A magnetic device includes a circuit board, a magnetic induction element, an insulating structure and a plurality of conductive wire segments. The circuit board has at least one conductive layer. The magnetic induction element is disposed on the circuit board. The insulating structure covers the magnetic induction element. The insulating structure is wound by the conductive wire segments. Two ends of each conductive wire segments are electrically connected to the conductive layer to form a coil loop.Type: ApplicationFiled: March 20, 2008Publication date: June 25, 2009Inventors: Chung-Jung Yang, Chuan-Yuan Kung, Man-Mei Chen, Po-Jen Tsai
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Publication number: 20090093160Abstract: A filter includes a housing and a filter device. The housing includes a base and an outer case. The base includes a main body, an accommodating part, a power-inputting terminal, a first grounding terminal and a second grounding terminal. The second grounding terminal has a flexible portion disposed on the periphery of the main body and a connecting portion connected to the first grounding terminal. The filter device disposed in the accommodating part of the base of the housing includes at least one filtering device. The outer case partially covers the periphery of the main body and the accommodating part and contacts the flexible portion of the second grounding terminal.Type: ApplicationFiled: June 18, 2008Publication date: April 9, 2009Inventors: Shin-Chih HSIEH, Po-Jen Tsai
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Publication number: 20080088572Abstract: A method for controlling luminance of divided backlight block of a liquid crystal display(LCD) includes the steps of: inputting an image; dividing the image into a plurality of blocks according to the backlight blocks; obtaining a weighted color value of each pixel by performing a weighted operation on a maximum color value of each pixel; and accumulating the weighted color values of the pixels in each block, then dividing the accumulated value by the number of the pixels in each block to get an averaged weighting value of luminance of each block. The method further includes a step of establishing a look up table stored the relationship of the plurality of the color values of the pixels and the plurality of weighted color values corresponding to the color values. The method can control the luminance of each divided backlight block of the LCD.Type: ApplicationFiled: July 16, 2007Publication date: April 17, 2008Inventors: Te-Mei Wang, Po-Jen Tsai
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Publication number: 20070262947Abstract: A method for eliminating shadow around a support pin of an LED backlight is provided. The method includes determining a luminance value for the plurality of LEDs according to a gray level distribution of pixels around the support pin, and setting the plurality of LEDs to the luminance value. The method may also include adjusting gray levels of related pixels according to the luminance profile of pixels around the support pin.Type: ApplicationFiled: August 1, 2006Publication date: November 15, 2007Inventors: Te-Mei Wang, Po-Jen Tsai
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Patent number: 6711977Abstract: An improved structure for a portable plate circular arc punch shear which has a driver to activate a press plate for leverage pivoting with another end of the press plate to restrict a plunger for the plunger to push a punch shear dies unit in various shear arc provided on the peripheral of the dies unit. The circular arc punch shear is operated for a plate work piece by turning the punch shear dies unit to easily shift the radius of the arc area to be sheared while the main frame and related air pipe can be easily removed and modified to allow operation in portable and fixed modes in coping with requirements of individual process, thereby effectively expanding processing agility, and reducing costs of diversified production of smaller quantity.Type: GrantFiled: August 27, 2001Date of Patent: March 30, 2004Inventor: Po Jen Tsai
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Publication number: 20030037652Abstract: An improved structure for a portable plate circular arc punch shear having a driver to activate a press plate for leverage pivoting with another end of said press plate to restrict a plunger for the plunger to push a punch shear dies unit in various shear arc provided on the peripheral of the dies unit so to execute circular arc punch shear for a plate work piece by tuning said punch shear dies unit to easily shift the radius of the arc area to be sheared while the main frame and related air pipe can be easily removed and modified to allow operation in portable and fixed modes in coping with requirements of individual process, effectively expand processing agility, and reduce costs of diversified production of smaller quantity.Type: ApplicationFiled: August 27, 2001Publication date: February 27, 2003Inventor: Po Jen Tsai