Patents by Inventor Shen-Tai Liaw
Shen-Tai Liaw 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: 9280236Abstract: A display driving circuit with photo detecting input includes pixel regions, pixel electrodes, gate lines, data lines, at least one photo detecting unit and at least one readout line. The gate lines cross the data lines. The data lines include a first data line and a second data line disposed adjacently to each other. There is no data line disposed between the first data line and the second data line. The photo detecting unit is electrically connected to one of the gate lines. The readout line is electrically connected to the photo detecting unit and disposed between the first data line and the second data line. A first spacing between first data line and the readout line is wider than or equal to a second spacing between the second data line and the readout line, and the first spacing is smaller than or equal to triple the second spacing.Type: GrantFiled: November 20, 2013Date of Patent: March 8, 2016Assignee: Integrated Digital Technologies, Inc.Inventors: Naejye Hwang, Shen-Tai Liaw, Yang-Hui Chang
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Patent number: 9201544Abstract: A display driving circuit with photo detecting input includes pixel regions, pixel electrodes, gate lines, data lines, at least one photo detecting unit, at least one readout line and at least one isolation electrode. The pixel regions are aligned in a matrix configuration. The pixel electrodes are disposed in the pixel region respectively. Each of the gate lines extends along a first direction and the gate lines are disposed parallel to one another. Each of the data lines extends along a second direction and the data lines are disposed parallel to one another. The gate lines cross the data lines. The photo detecting unit is at least partially disposed in one of the pixel region and electrically connected to the readout line. The readout line is disposed between two adjacent data lines. The isolation electrode is disposed between the readout line and one of the data lines.Type: GrantFiled: November 20, 2013Date of Patent: December 1, 2015Assignee: Integrated Digital Technologies, Inc.Inventors: Naejye Hwang, Shen-Tai Liaw, Yang-Hui Chang
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Publication number: 20150234534Abstract: A touch screen system includes an in-cell type optical touch device for displaying images and receiving a light signal, an out-cell type touch device for sensing a finger or a non-optical stylus, a first functional unit connected with the in-cell type optical touch device, a second functional unit connected with the out-cell type touch panel and a third functional unit connected with the first functional unit and the second functional unit. The out-cell type touch device is disposed on the in-cell type optical touch device. The first functional unit converts an analog sensing signal received by the in-cell type optical touch device into a first electrical signal. An object-sensing signal generated from the out-cell type touch panel is processed by the second functional unit to generate a second electrical signal. The third functional unit analyzes the first electrical signal and the second electrical signal and generates valid output signals.Type: ApplicationFiled: May 5, 2015Publication date: August 20, 2015Inventors: Sen-Shyong Fann, Nae-Jye Hwang, Shen-Tai Liaw, Feng-Sheng Lin
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Patent number: 9064772Abstract: A touch screen system includes an in-cell type optical touch device for displaying images and receiving a light signal, an out-cell type touch device for sensing a finger or a non-optical stylus, a first functional unit connected with the in-cell type optical touch device, a second functional unit connected with the out-cell type touch panel and a third functional unit connected with the first functional unit and the second functional unit. The out-cell type touch device is disposed on the in-cell type optical touch device. The first functional unit converts an analog sensing signal received by the in-cell type optical touch device into a first electrical signal. An object-sensing signal generated from the out-cell type touch panel is processed by the second functional unit to generate a second electrical signal. The third functional unit analyzes the first electrical signal and the second electrical signal and generates valid output signals.Type: GrantFiled: October 4, 2010Date of Patent: June 23, 2015Assignee: Integrated Digital Technologies, Inc.Inventors: Sen-Shyong Fann, Nae-Jye Hwang, Shen-Tai Liaw, Feng-Sheng Lin
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Patent number: 9063597Abstract: A touch input system including a stylus and a display device is provided. The stylus includes a battery module, a touch portion, a transducer module and a RF transmitting module. When a contact pressure is acted on the touch portion, the touch portion is electrically connected to the battery module by the contact pressure and emits a light signal. The display region receives and reacts to the light signal, and the contact pressure is transformed into an electrical signal by the transducer module. The RF transmitting module is electrically connected to the transducer module and transmitting the electrical signal. The display device includes a display region and a RF receiving module.Type: GrantFiled: December 18, 2012Date of Patent: June 23, 2015Assignee: INTEGRATED DIGITAL TECHNOLOLGIES, INC.Inventors: Shen-Tai Liaw, Nae-jye Hwang, Feng-Sheng Lin, Chih-Ming Yuan
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Patent number: 8917262Abstract: A touch input system including a stylus and a display device is provided. The stylus includes a battery module, a touch portion, a transducer module and a RF transmitting module. When a contact pressure is acted on the touch portion, the touch portion is electrically connected to the battery module by the contact pressure and emits a light signal. The display region receives and reacts to the light signal, and the contact pressure is transformed into an electrical signal by the transducer module. The RF transmitting module is electrically connected to the transducer module and transmitting the electrical signal. The display device includes a display region and a RF receiving module.Type: GrantFiled: January 5, 2011Date of Patent: December 23, 2014Assignee: Integrated Digital Technologies, Inc.Inventors: Shen-Tai Liaw, Nae-Jye Hwang, Feng-Sheng Lin, Chih-Ming Yuan
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Patent number: 8911113Abstract: A laser pointer suitable for a touch display panel is provided. The laser pointer includes a main body, a laser diode and a wave plate. The main body has a containing space. The laser diode is disposed in the containing space and has a light emitting end. The wave plate is disposed on the light emitting end, wherein the laser diode is suitable for emitting a laser beam having linear polarization from the light emitting end, and the wave plate is suitable for transforming the laser beam having linear polarization into a laser beam having circular polarization, such that the laser beam is suitable for being an input signal for the touch display panel.Type: GrantFiled: April 27, 2011Date of Patent: December 16, 2014Assignee: Intergrated Digital Technologies, Inc.Inventors: Yang-Hui Chang, Shen-Tai Liaw, Nae-Jye Hwang
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Patent number: 8902135Abstract: A pixel structure of an organic electroluminescence device includes a scan line, and a data line, a bias line and a readout line on a substrate, a first switch device, a capacitor, a driving device, an organic light emitting device, a second switch device and a photo sensor device. The first switch device is electrically connected to the scan line and the data line. The capacitor is electrically connected to the first switch device and the bias line. The driving device is electrically connected to the first switch device, the capacitor and the bias line. The organic light emitting device is electrically connected to the driving device. The second switch device is electrically connected to the scan line and the readout line. The photo sensor device is electrically connected to the second switch device and the bias line.Type: GrantFiled: February 4, 2012Date of Patent: December 2, 2014Assignee: Integrated Digital Technologies, Inc.Inventors: Yang-Hui Chang, Nae-Jye Hwang, Shen-Tai Liaw
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Patent number: 8816993Abstract: A touch input system including a stylus and a display device is provided. The stylus includes a battery module, a touch portion, a transducer module and a RF transmitting module. When a contact pressure is acted on the touch portion, the touch portion is electrically connected to the battery module by the contact pressure and emits a light signal. The display region receives and reacts to the light signal, and the contact pressure is transformed into an electrical signal by the transducer module. The RF transmitting module is electrically connected to the transducer module and transmitting the electrical signal. The display device includes a display region and a RF receiving module.Type: GrantFiled: October 8, 2012Date of Patent: August 26, 2014Assignee: Integrated Digital Technologies, Inc.Inventors: Chih-Ming Yuan, Shen-Tai Liaw, Nae-Jye Hwang
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Patent number: 8780089Abstract: A touch input system including a stylus and a display device is provided. The stylus includes a battery module, a touch portion, a transducer module and a RF transmitting module. When a contact pressure is acted on the touch portion, the touch portion is electrically connected to the battery module by the contact pressure and emits a light signal. The display region receives and reacts to the light signal, and the contact pressure is transformed into an electrical signal by the transducer module. The RF transmitting module is electrically connected to the transducer module and transmitting the electrical signal. The display device includes a display region and a RF receiving module.Type: GrantFiled: October 8, 2012Date of Patent: July 15, 2014Assignee: Integrated Digital Technologies, Inc.Inventors: Chih-Ming Yuan, Shen-Tai Liaw, Nae-Jye Hwang
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Patent number: 8748796Abstract: An interactive display panel includes scan lines, first data lines, sub-pixels, photo-sensors and second data lines. The scan lines and the first data lines are intersected to define sub-pixel regions. Each of the sub-pixels is located in one of the sub-pixel regions and has a display region, and each of the sub-pixels is electrically connected with one of the scan lines and one of the first data lines respectively. The photo-sensors are located outside the display regions of the sub-pixels. The scan lines and the second data lines are intersected and electrically connected with the photo-sensors.Type: GrantFiled: November 4, 2010Date of Patent: June 10, 2014Assignee: Integrated Digital Technologies, Inc.Inventors: Sen-Shyong Fann, Nae-Jye Hwang, Shen-Tai Liaw
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Publication number: 20140139490Abstract: A display driving circuit with photo detecting input includes pixel regions, pixel electrodes, gate lines, data lines, at least one photo detecting unit and at least one readout line. The gate lines cross the data lines. The data lines include a first data line and a second data line disposed adjacently to each other. There is no data line disposed between the first data line and the second data line. The photo detecting unit is electrically connected to one of the gate lines. The readout line is electrically connected to the photo detecting unit and disposed between the first data line and the second data line. A first spacing between first data line and the readout line is wider than or equal to a second spacing between the second data line and the readout line, and the first spacing is smaller than or equal to triple the second spacing.Type: ApplicationFiled: November 20, 2013Publication date: May 22, 2014Applicant: Integrated Digital Technologies, Inc.Inventors: Naejye Hwang, Shen-Tai Liaw, Yang-Hui Chang
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Publication number: 20140139489Abstract: A display driving circuit with photo detecting input includes pixel regions, pixel electrodes, gate lines, data lines, at least one photo detecting unit, at least one readout line and at least one isolation electrode. The pixel regions are aligned in a matrix configuration. The pixel electrodes are disposed in the pixel region respectively. Each of the gate lines extends along a first direction and the gate lines are disposed parallel to one another. Each of the data lines extends along a second direction and the data lines are disposed parallel to one another. The gate lines cross the data lines. The photo detecting unit is at least partially disposed in one of the pixel region and electrically connected to the readout line. The readout line is disposed between two adjacent data lines. The isolation electrode is disposed between the readout line and one of the data lines.Type: ApplicationFiled: November 20, 2013Publication date: May 22, 2014Applicant: Integrated Digital Technologies, Inc.Inventors: Naejye Hwang, Shen-Tai Liaw, Yang-Hui Chang
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Patent number: 8727557Abstract: A touch input system including a stylus and a display device is provided. The stylus includes a battery module, a touch portion, a transducer module and a RF transmitting module. When a contact pressure is acted on the touch portion, the touch portion is electrically connected to the battery module by the contact pressure and emits a light signal. The display region receives and reacts to the light signal, and the contact pressure is transformed into an electrical signal by the transducer module. The RF transmitting module is electrically connected to the transducer module and transmitting the electrical signal. The display device includes a display region and a RF receiving module.Type: GrantFiled: October 8, 2012Date of Patent: May 20, 2014Assignee: Integrated Digital Technologies, Inc.Inventors: Chih-Ming Yuan, Shen-Tai Liaw, Nae-Jye Hwang
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Publication number: 20140061651Abstract: An electrophoretic display device includes a photosensitive transistor in a thin-film-transistor layer that may be used to receive an optical signal as input control signal. The thin-film-transistor layer also includes an electrical switch element for driving an electrophoretic layer to display content. A switching transistor may also be included in the thin-film-transistor layer for selectively turning on the photosensitive transistor. By incorporating the photosensitive transistor and the switching transistor into the existing thin-film-transistor layer of an active matrix electrophoretic display device, optical sensing touch control is made applicable in the electrophoretic display device without compromising its advantageous light, flexible, thin features.Type: ApplicationFiled: August 28, 2012Publication date: March 6, 2014Inventors: Yang-Hui Chang, Naejye Hwang, Shen-Tai Liaw
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Patent number: 8648839Abstract: A touch input system including a stylus and a display device is provided. The stylus includes a battery module, a touch portion, a transducer module and a RF transmitting module. When a contact pressure is acted on the touch portion, the touch portion is electrically connected to the battery module by the contact pressure and emits a light signal. The display region receives and reacts to the light signal, and the contact pressure is transformed into an electrical signal by the transducer module. The RF transmitting module is electrically connected to the transducer module and transmitting the electrical signal. The display device includes a display region and a RF receiving module.Type: GrantFiled: December 18, 2012Date of Patent: February 11, 2014Assignee: Integrated Digital Technologies, Inc.Inventors: Shen-Tai Liaw, Nae-jye Hwang, Feng-Sheng Lin, Chih-Ming Yuan
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Patent number: 8575536Abstract: A pixel array including a plurality of pixel structures is provided. At least one of the pixel structures has a scan line, a data line, an active device, a pixel electrode, a readout line, an electro-magnetic interference (EMI) shielding layer and a sensing device. The scan line and the data line are disposed on a substrate. The active device is electrically connected to the scan line and the data line. The pixel electrode is electrically connected to the active device. The readout line is disposed above or below a data line. The EMI shielding layer covers the data line, and is between the readout line and the data line. The sensing device is electrically connected to the scan line and the readout line.Type: GrantFiled: November 26, 2010Date of Patent: November 5, 2013Assignee: Integrated Digital Technologies Inc.Inventors: Yang-Hui Chang, Shen-Tai Liaw, Sen-Shyong Fann
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Patent number: 8537149Abstract: A pixel array having a plurality of pixel structures is provided. At least one of the pixel structures includes a scan line, a data line, an active device, a pixel electrode, a capacitor electrode line, a readout line and a sensing device. The scan line and the data line are disposed on a substrate. The active device is electrically connected to the scan line and the data line. The pixel electrode is electrically connected to the active device. The capacitor electrode line electrically couples with the pixel electrode. The readout line is disposed parallel to the data line. The sensing device is electrically connected to the scan line and the readout line, and the sensing device is connected to an adjacent capacitor electrode line.Type: GrantFiled: December 29, 2010Date of Patent: September 17, 2013Assignee: Integrated Digital Technologies, Inc.Inventors: Sen-Shyong Fann, Yang-Hui Chang, Shen-Tai Liaw, Nae-Jye Hwang
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Patent number: 8508507Abstract: A method of for identifying multiple optical inputs to a display area with embedded photo sensors includes providing a display area with embedded photo sensors configured to display visual information; receiving a first and a second input optically transmitted to a first and a second location on the display area, respectively; processing the first and second inputs to identify at least one of (1) the location of the first and second inputs relative to the display area; and (2) a timing of the first and second inputs; and determining whether the first and second inputs originated from a single source or multiple sources based on at least their (1) wavelengths; (2) flash or pulse frequencies; (3) durations; (4) timings; (5) intensities; (6) modulation schemes; (7) projected input patterns; and (8) at least one estimated trace of the inputs; and providing first and second input information containing at least (1) their locations and (2) their timings.Type: GrantFiled: April 8, 2009Date of Patent: August 13, 2013Assignee: Integrated Digital Technologies, Inc.Inventors: Chun-Yuan Lee, Shen-Tai Liaw
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Publication number: 20130201085Abstract: A pixel structure of an organic electroluminescence device includes a scan line, and a data line, a bias line and a readout line on a substrate, a first switch device, a capacitor, a driving device, an organic light emitting device, a second switch device and a photo sensor device. The first switch device is electrically connected to the scan line and the data line. The capacitor is electrically connected to the first switch device and the bias line. The driving device is electrically connected to the first switch device, the capacitor and the bias line. The organic light emitting device is electrically connected to the driving device. The second switch device is electrically connected to the scan line and the readout line. The photo sensor device is electrically connected to the second switch device and the bias line.Type: ApplicationFiled: February 4, 2012Publication date: August 8, 2013Inventors: Yang-Hui Chang, Nae-Jye Hwang, Shen-Tai Liaw