Patents by Inventor Sheng Feng Huang
Sheng Feng Huang 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: 10438539Abstract: A gate driving circuit includes a shift unit and a switch unit. The shift unit receives a start input signal, a first clock input signal and a second clock input signal to generate an enable output signal. The switch unit is connected to the shift unit and receiving the enable output signal. The switch unit outputs a third clock signal based on the enable output signal.Type: GrantFiled: June 1, 2017Date of Patent: October 8, 2019Assignee: INNOLUX CORPORATIONInventors: Sheng-Feng Huang, Chien-Feng Shih
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Patent number: 10395612Abstract: A driver circuit which includes an output circuit and a control circuit coupled to the output circuit. The driver circuit includes a pull-up transistor with a silicon semiconductor layer. The control circuit includes a first transistor with an oxide semiconductor layer.Type: GrantFiled: December 1, 2016Date of Patent: August 27, 2019Assignee: INNOLUX CORPORATIONInventors: Sheng-Feng Huang, Akihiro Iwatsu, Cheng-Min Wu, Kuanfeng Lee
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Publication number: 20190244578Abstract: A display device including a panel having a gate driver is provided. The gate driver includes a multi-stage shift register. The N-th stage shift register includes a control module, a leakage compensation module, and an output module. The control module has a first terminal for receiving a first signal from the (N?M)-th stage shift register and a second terminal electrically connected to a node for transmitting a first signal to the node. The leakage compensation module has a third terminal electrically connected to the compensation voltage and a fourth terminal electrically connected to the node. The output module has a fifth terminal electrically connected to the node for receiving the first signal, and a sixth terminal for outputting a second signal of the N-th stage shift register for driving at least some parts of the pixel array. The compensation voltage charges the node during a touch sensing period.Type: ApplicationFiled: January 17, 2019Publication date: August 8, 2019Inventors: Chun-Fu WU, Wen-Tsai HSU, Sheng-Feng HUANG
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Publication number: 20190114013Abstract: A touch display device at least including a gate driver is provided. The gate driver at least includes a pull-up control circuit, a pull-down control circuit and a pull-up output circuit. The pull-up control circuit sets the voltage level of a first node to a first voltage level. The pull-down control circuit is configured to set the voltage level of the first node to a second voltage level and includes a first transistor receiving an operation voltage. The second voltage level is lower than the first voltage level. The pull-up output circuit generates a scan signal according to the voltage level of the first node. During a first display period and a second display period, the operation voltage is equal to a first gate voltage. During a touch-sensing period, the operation voltage is equal to a second gate voltage that is lower than the first gate voltage.Type: ApplicationFiled: October 3, 2018Publication date: April 18, 2019Inventors: Chun-Fu WU, Wei-Kuang LIEN, Wen-Tsai HSU, Sheng-Feng HUANG
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Publication number: 20190073956Abstract: A display device includes a pixel array, multiple data lines, and multiple gate lines. The pixel array includes multiple pixel units. The data lines are coupled to the pixel array. The gate lines are coupled to the pixel array. One of the pixel units includes a switch circuit, a display unit, and a first voltage level shifting circuit. The switch circuit is coupled to one of the data lines and one of the gate lines. The first voltage level shifting circuit is coupled between the switch circuit and the display unit and configured to adjust the voltage level of a data driving signal provided by the data line to the display unit.Type: ApplicationFiled: August 1, 2018Publication date: March 7, 2019Inventors: Sheng-Feng HUANG, Cheng-Shen PAN, Cheng-Min WU, Li-Wei SUNG
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Patent number: 10056019Abstract: The invention provides a touch display panel, including: a lower substrate where a common electrode layer, a first test pad, and a second test pad are formed, an upper substrate disposed above the common electrode layer, a liquid crystal layer sandwiched between the upper substrate and lower substrate, wherein the common electrode layer is divided into a plurality of common electrode blocks arranged in a matrix, and any two adjacent common electrode blocks of the plurality of common electrode blocks are coupled to the first test pad and the second test pad, respectively.Type: GrantFiled: May 27, 2016Date of Patent: August 21, 2018Assignee: INNOLUX CORPORATIONInventors: Sheng-Feng Huang, Chien-Feng Shih
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Patent number: 9941261Abstract: A display device is disclosed, which comprises: a first substrate; a second substrate disposed adjacent to the first substrate and partially covering the first substrate, wherein the second substrate comprises a second arc edge and a second side, and the second arc edge connects to the second side; a driving unit disposed on a part of the first substrate uncovered with the second substrate; and a compensation panel disposed on the driving unit and comprising a third arc edge and a third side, wherein the third arc edge connects to the third side, wherein the third side corresponds to the second side, and the third arc edge corresponds to the second arc edge.Type: GrantFiled: September 24, 2015Date of Patent: April 10, 2018Assignee: INNOLUX CORPORATIONInventors: Cheng-Min Wu, Chien-Feng Shih, Sheng-Feng Huang
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Patent number: 9916905Abstract: A display panel includes shift registers coupled in serial. At least one of the shift registers includes an input circuit, an output circuit and a control circuit. The input circuit is coupled to a first input terminal and a second input terminal for respectively receiving a first input signal and a second input signal. The output circuit is coupled to a first clock input terminal for receiving a first clock signal and outputting a pulse signal at an output terminal according to the first clock signal. The control circuit is coupled to the output circuit via a first control node, a second control node and a third control node and controls voltages at the first control node, the second control node and the third control node according to the first input signal or the second input signal, and further controls operations of the output circuit.Type: GrantFiled: October 2, 2015Date of Patent: March 13, 2018Assignee: INNOLUX CORPORATIONInventor: Sheng-Feng Huang
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Publication number: 20170365220Abstract: A gate driving circuit includes a shift unit and a switch unit. The shift unit receives a start input signal, a first clock input signal and a second clock input signal to generate an enable output signal. The switch unit is connected to the shift unit and receiving the enable output signal. The switch unit outputs a third clock signal based on the enable output signal.Type: ApplicationFiled: June 1, 2017Publication date: December 21, 2017Inventors: Sheng-Feng HUANG, Chien-Feng SHIH
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Patent number: 9818330Abstract: Disclosed is a display apparatus, including a display region and a peripheral region outside of the display region. The display region includes a plurality of pixels arranged on a substrate. The peripheral region includes a plurality of first circuit areas and second circuit areas on the substrate. The first circuit areas drive the pixels in a first direction, and the second circuit areas drive the pixels in a second direction. At least one of the first circuit area and the second circuit area has the shape of a pentagon with sequentially connected sides including a first side, a second side, a third side, a fourth side, and a fifth side.Type: GrantFiled: November 17, 2015Date of Patent: November 14, 2017Assignee: INNOLUX CORPORATIONInventors: Sheng-Feng Huang, Chien-Feng Shih, Gerben Johan Hekstra
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Patent number: 9805637Abstract: A display device is provided. In the display device, sub-pixels are coupled to scan lines and data lines. On the same scan line, the sub-pixels with a predetermined number are belonged into a pixel group. For two pixel groups coupled to the same data lines and respectively coupled to two adjacent scan lines, two sub-pixels, which are respectively belonged into the two pixel groups and successively receive the corresponding data signals in time, receive the same one of the various color information. For each pixel group, in each display period, the enable states of the clock signals have a plurality of combinations having a specific number, the specific number is 2×CK2, where C represents two clock signals are selected from the clock signal having the predetermined number, and K is a positive integer.Type: GrantFiled: October 29, 2015Date of Patent: October 31, 2017Assignee: INNOLUX CORPORATIONInventors: Sheng-Feng Huang, Cheng-Hsiao Lin
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Patent number: 9766495Abstract: A transflective type liquid crystal panel includes a plurality of sub-pixels arranged in rows and columns to form a sub-pixel array, a plurality of first wires extending along the row direction or the column direction, and a plurality of second wires which are parallel with the first wires. The plurality of sub-pixels includes transmissive sub-pixels and reflective sub-pixels. Each row and column in the sub-pixel array has both transmissive sub-pixels and reflective sub-pixels. The transmissive sub-pixels are connected to and driven by the first wires, and the reflective sub-pixels are connected to and driven by the second wires.Type: GrantFiled: September 9, 2015Date of Patent: September 19, 2017Assignee: INNOLUX CORPORATIONInventors: Akihiro Iwatsu, Cheng-Min Wu, Sheng-Feng Huang, Cheng-Hsiao Lin
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Publication number: 20170162145Abstract: A driver circuit which includes an output circuit and a control circuit coupled to the output circuit. The driver circuit includes a pull-up transistor with a silicon semiconductor layer. The control circuit includes a first transistor with an oxide semiconductor layer.Type: ApplicationFiled: December 1, 2016Publication date: June 8, 2017Inventors: Sheng-Feng HUANG, Akihiro IWATSU, Cheng-Min WU, Kuanfeng LEE
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Patent number: 9620077Abstract: A display panel structure includes a substrate, plural gate lines and data lines arranged on the substrate, plural pixel units, and plural dummy pixel units. The substrate has a display region and a peripheral region surrounding the display region. The gate lines and data lines are extended from the display region to the peripheral region. The pixel units are disposed at the display region. The dummy pixel units are disposed at the peripheral region, and include a first region, a second region, and a third region. The dummy pixel units of the first region and the second region are arranged along a first direction and a second direction, respectively. The dummy pixel units of the third region are arranged between the first and second regions. The dummy pixel units of the third region include one of the gate lines and one of the data lines.Type: GrantFiled: April 1, 2015Date of Patent: April 11, 2017Assignee: INNOLUX CORPORATIONInventors: Chien-Feng Shih, Yu-Hsiang Chiu, Liang-Yun Chang, Sheng-Feng Huang
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Publication number: 20160358525Abstract: The invention provides a touch display panel, including: a lower substrate where a common electrode layer, a first test pad, and a second test pad are formed, an upper substrate disposed above the common electrode layer, a liquid crystal layer sandwiched between the upper substrate and lower substrate, wherein the common electrode layer is divided into a plurality of common electrode blocks arranged in a matrix, and any two adjacent common electrode blocks of the plurality of common electrode blocks are coupled to the first test pad and the second test pad, respectively.Type: ApplicationFiled: May 27, 2016Publication date: December 8, 2016Inventors: Sheng-Feng HUANG, Chien-Feng SHIH
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Publication number: 20160291376Abstract: A display device is provided. The display device includes a display region and a non-display region adjacent to the display region, wherein the display region is non-rectangular and includes a plurality of first pixels and a plurality of second pixels, wherein the plurality of second pixels is disposed at the periphery of the display region and surrounds the plurality of first pixels, wherein when the plurality of first pixels and the plurality of second pixels are supplied with the same operating voltage, the plurality of second pixels has two or more brightness levels.Type: ApplicationFiled: March 30, 2015Publication date: October 6, 2016Inventors: Akihiro IWATSU, Sheng-Feng HUANG
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Patent number: 9433058Abstract: A display panel is disclosed, having a display region and a non-display region out of the display region, wherein the display region comprises a central pixel region and a border pixel region disposed between the central pixel region and the non-display region, the display panel comprising: a first substrate; a second substrate; a display medium layer; a plurality of central pixel units located at the central pixel region and having a plurality of first electrodes disposed on the second substrate; and a plurality of border pixel units located at the border pixel region and having a plurality of second electrodes disposed on the second substrate; wherein outmost edges of a part of the adjacent border pixel units form a ladder-like shape, and a light output area of at least one of the border pixel units is smaller than that of at least one of the central pixel units.Type: GrantFiled: October 7, 2015Date of Patent: August 30, 2016Assignee: INNOLUX CORPORATIONInventors: Cheng-Min Wu, Chien-Feng Shih, Sheng-Feng Huang, Ming-Jhih Chen
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Publication number: 20160150663Abstract: Disclosed is a display apparatus, including a display region and a peripheral region outside of the display region. The display region includes a plurality of pixels arranged on a substrate. The peripheral region includes a plurality of first circuit areas and second circuit areas on the substrate. The first circuit areas drive the pixels in a first direction, and the second circuit areas drive the pixels in a second direction. At least one of the first circuit area and the second circuit area has the shape of a pentagon with sequentially connected sides including a first side, a second side, a third side, a fourth side, and a fifth side.Type: ApplicationFiled: November 17, 2015Publication date: May 26, 2016Inventors: Sheng-Feng HUANG, Chien-Feng SHIH, Gerben Johan Hekstra
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Publication number: 20160125783Abstract: A display device is provided. In the display device, sub-pixels are coupled to scan lines and data lines. On the same scan line, the sub-pixels with a predetermined number are belonged into a pixel group. For two pixel groups coupled to the same data lines and respectively coupled to two adjacent scan lines, two sub-pixels, which are respectively belonged into the two pixel groups and successively receive the corresponding data signals in time, receive the same one of the various color information. For each pixel group, in each display period, the enable states of the clock signals have a plurality of combinations having a specific number, the specific number is 2×CK2, where C represents two clock signals are selected from the clock signal having the predetermined number, and K is a positive integer.Type: ApplicationFiled: October 29, 2015Publication date: May 5, 2016Inventors: Sheng-Feng HUANG, Cheng-Hsiao LIN
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Publication number: 20160120005Abstract: A display panel is disclosed, having a display region and a non-display region out of the display region, wherein the display region comprises a central pixel region and a border pixel region disposed between the central pixel region and the non-display region, the display panel comprising: a first substrate; a second substrate; a display medium layer; a plurality of central pixel units located at the central pixel region and having a plurality of first electrodes disposed on the second substrate; and a plurality of border pixel units located at the border pixel region and having a plurality of second electrodes disposed on the second substrate; wherein outmost edges of a part of the adjacent border pixel units form a ladder-like shape, and a light output area of at least one of the border pixel units is smaller than that of at least one of the central pixel units.Type: ApplicationFiled: October 7, 2015Publication date: April 28, 2016Inventors: Cheng-Min WU, Chien-Feng SHIH, Sheng-Feng HUANG, Ming-Jhih CHEN