Patents by Inventor Ian French
Ian French 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: 20250138382Abstract: A touch-enabled electro-optic display device has a stack of layers including, in order: a first electrode layer at a viewing surface of the touchscreen electro-optic display device; a dielectric layer; a second electrode layer; a semi-conductive layer; an electro-optic medium layer; and a third electrode layer. The second electrode layer, the semi-conductive layer, the electro-optic medium layer, and the third electrode layer form an electro-optic device in which the electro-optic medium layer is addressed by applying a driving voltage to the third electrode layer while holding the voltage on the second electrode layer constant. The first electrode layer, the dielectric layer, and the second electrode layer form a capacitive touch sensor that detects a touch input by sensing a change in capacitance at a touched point on the first electrode layer.Type: ApplicationFiled: September 27, 2024Publication date: May 1, 2025Inventors: Stephen J. TELFER, Hjalmar Edzer Ayco HUITEMA, Ian FRENCH, Karl Raymond AMUNDSON
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Patent number: 12283215Abstract: A display device including a display panel and a driving circuit is provided. The display panel is configured to display an image frame. The driving circuit is coupled to the display panel. The driving circuit is configured to output a gate signal to drive the display panel to display the image frame during a driving period. The driving period includes a first period, a second period, and a third period. The gate signal has a first voltage level during the first period and a second voltage level during the second period. The second voltage level is greater than the first voltage level.Type: GrantFiled: February 19, 2024Date of Patent: April 22, 2025Assignee: E Ink Holdings Inc.Inventors: Wen-Chuan Wang, Ian French, Kuang-Heng Liang, Chih-Ching Wang
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Patent number: 12276817Abstract: A display device includes a display area, a pixel array, a display medium layer, and a color filter layer. The display area includes a plurality of sub-pixel regions, and each of the sub-pixel regions has a length and a width that are substantially the same. The pixel array corresponds to the display area in position. The display medium layer is located on the pixel array. The color filter layer includes a plurality of color resists. The color resists are arranged along a first direction and a second direction different from the first direction. Two adjacent color resists arranged along the first direction have different colors, two adjacent color resists arranged along the second direction have different colors, and adjacent two of the color resists are spaced apart from each other.Type: GrantFiled: January 12, 2021Date of Patent: April 15, 2025Assignee: E Ink Holdings Inc.Inventors: Ian French, Po-Yuan Lo, Xian-Teng Chung
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Publication number: 20250107287Abstract: A color reflective display panel including a reflective display panel and a color filter array is provided. The color filter array is disposed on the reflective display panel. The color filter array includes a plurality of pixel units. Each pixel unit includes one or more first pixels having a first color, one or more second pixels having a second color, and one or more third pixels having a third color. The ratio of the area of the third pixels to the area of the pixel unit is less than one-third.Type: ApplicationFiled: June 24, 2024Publication date: March 27, 2025Applicant: E Ink Holdings Inc.Inventors: Jau-Min Ding, Po-Yuan Lo, Ian French
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Patent number: 12242089Abstract: A color filter module is provided. The color filter module is arranged on a display panel. The color filter module includes a transparent substrate and a color resist layer. The transparent substrate includes multiple sub-pixel regions arranged in an array. The color resist layer is arranged on the transparent substrate. The color resist layer includes multiple color resist units. The color resist units are respectively arranged across at least two sub-pixel regions, and the color resist units form a staggered array on the transparent substrate.Type: GrantFiled: January 19, 2022Date of Patent: March 4, 2025Assignee: E Ink Holdings Inc.Inventors: Ian French, Po-Yuan Lo, Liang-Yu Lin
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Patent number: 12190836Abstract: An electro-optic display including a first subpixel electrode and a second subpixel electrode associated with a display pixel, and an electrophoretic display medium disposed between a common electrode and the first and second subpixel electrodes. The electro-optic display also includes a display controller circuit in electrical communication with the common electrode and a first transistor associated with the display pixel. The display controller circuit is capable of applying waveforms to the display pixel by applying one or more time-dependent voltages between the common electrode and the first subpixel electrode via the first transistor, where the one or more time-dependent voltages are applied to the first subpixel electrode. The electro-optic display also includes a second transistor in electrical communication with the first subpixel electrode and the second subpixel electrode.Type: GrantFiled: January 23, 2024Date of Patent: January 7, 2025Assignee: E Ink CorporationInventors: Timothy J. O'Malley, Karl Raymond Amundson, Chih-Hsiang Ho, Jonathan L. Zalesky, Yi Lu, Ian French
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Publication number: 20240321162Abstract: A display device including a display panel and a driving circuit is provided. The display panel is configured to display an image frame. The driving circuit is coupled to the display panel. The driving circuit is configured to output a gate signal to drive the display panel to display the image frame during a driving period. The driving period includes a first period, a second period, and a third period. The gate signal has a first voltage level during the first period and a second voltage level during the second period. The second voltage level is greater than the first voltage level.Type: ApplicationFiled: February 19, 2024Publication date: September 26, 2024Applicant: E Ink Holdings Inc.Inventors: Wen-Chuan Wang, Ian French, Kuang-Heng Liang, Chih-Ching Wang
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Patent number: 12073764Abstract: A circuit driving substrate, display panel and a display driving method are provided. The circuit driving substrate includes a pixel array, a first switching circuit, a second switching circuit, a first driving circuit and a second driving circuit. The first switching circuit is coupled to the pixel array through a plurality of gate lines, and receives a first switching signal. The second switching circuit is coupled to the pixel array through the gate lines, and receives a second switching signal. The first driving circuit is coupled to the first switching circuit and configured to output the first voltage signal to the first switching circuit. The second driving circuit is coupled to the second switching circuit and configured to output a second voltage signal to the second switching circuit. The first switching circuit and the second switching circuit selectively provide the first voltage signal or the second voltage signal.Type: GrantFiled: April 28, 2023Date of Patent: August 27, 2024Assignee: E Ink Holdings Inc.Inventors: Wenchuan Wang, Kuang-Heng Liang, Ian French, Chih-Ching Wang
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Publication number: 20240257773Abstract: An electro-optic display including a first subpixel electrode and a second subpixel electrode associated with a display pixel, and an electrophoretic display medium disposed between a common electrode and the first and second subpixel electrodes. The electro-optic display also includes a display controller circuit in electrical communication with the common electrode and a first transistor associated with the display pixel. The display controller circuit is capable of applying waveforms to the display pixel by applying one or more time-dependent voltages between the common electrode and the first subpixel electrode via the first transistor, where the one or more time-dependent voltages are applied to the first subpixel electrode. The electro-optic display also includes a second transistor in electrical communication with the first subpixel electrode and the second subpixel electrode.Type: ApplicationFiled: January 23, 2024Publication date: August 1, 2024Inventors: Timothy J. O'MALLEY, Karl Raymond AMUNDSON, Chih-Hsiang HO, Jonathan L. ZALESKY, Yi LU, Ian FRENCH
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Patent number: 12050330Abstract: A color filter array for a reflective display device includes a plurality of first filter arrays, a plurality of second filter arrays, and a plurality of third filter arrays. Each of the first filter arrays has a plurality of first filter patterns separated from each other. Each of the second filter arrays has a plurality of second filter patterns separated from each other. Each of the third filter arrays has a plurality of third filter patterns separated from each other. Each of the first filter arrays is adjacent to one of the second filter arrays and one of the third filter arrays.Type: GrantFiled: June 17, 2021Date of Patent: July 30, 2024Assignee: E Ink Holdings Inc.Inventors: Ian French, Xian-Teng Chung, Po-Yuan Lo
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Patent number: 12033593Abstract: An electrophoretic display device, including an electrophoretic display panel and a display driving module, is provided. The display driving module is coupled to the electrophoretic display panel and is used for driving the electrophoretic display panel. The display driving module generates multiple first grayscale images according to multiple color pixel values of multiple color pixels corresponding to multiple colors of a color image. The display driving module captures multiple grayscale values of multiple locations of multiple first sub-pixels of the first grayscale images according to multiple locations of multiple mask sub-pixels corresponding to the colors in a mask image to generate multiple second grayscale images. The display driving module synthesizes the second grayscale images to generate a synthesized image. The display driving module drives the electrophoretic display panel according to the synthesized image.Type: GrantFiled: January 21, 2022Date of Patent: July 9, 2024Assignee: E Ink Holdings Inc.Inventors: Ian French, Po-Yuan Lo, Xian-Teng Chung
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Publication number: 20240219615Abstract: A display device which includes a display panel having a display surface, a transparent layer over the display panel and a color filter array over the transparent layer is provided. The color filter array includes yellow color filter elements, blue color filter elements and primary color filter elements. The yellow color filter elements project first regions on the display surface; the blue color filter elements project second regions on the display surface; and the primary color filter elements project third regions on the display surface. Each of the first regions is connected to at least one of the third regions, while each of the first regions is separated from any one of the second regions.Type: ApplicationFiled: September 20, 2023Publication date: July 4, 2024Inventors: Xian-Teng CHUNG, Po-Yuan LO, Ian FRENCH
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Patent number: 11978412Abstract: An image processing method, including the following steps: receiving an original image signal, wherein the original image signal includes a plurality of original pixel values; identifying an edge of at least one object in the original image signal to generate a contour image signal; and correcting the original image signal according to the contour image signal to generate an enhanced image signal.Type: GrantFiled: January 18, 2022Date of Patent: May 7, 2024Assignee: E Ink Holdings Inc.Inventors: Ian French, Xian-Teng Chung, Jau-Min Ding
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Publication number: 20240142847Abstract: A display device includes a panel, a conductive layer, a first color filter array and a second color filter array. The panel has a display surface and multiple sub-pixel regions where the multiple sub-pixel regions and the conductive layer are on this display surface. The first color filter array including multiple first color filter elements is disposed on the conductive layer while the second color filter array including multiple second color filter elements is disposed on the first color filter array. One first overlaid region and one second overlaid region are defined by the orthogonal projections of the color filter elements within one of the sub-pixel regions. In one sub-pixel region, a section of the first overlaid region does not overlap a section of the second overlaid region.Type: ApplicationFiled: June 14, 2023Publication date: May 2, 2024Inventors: Liang-Yu LIN, Po-Yuan LO, Ian FRENCH
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Publication number: 20240126132Abstract: A reflective display with a color compensation layer includes a driving substrate, a display medium layer located on the driving substrate, a color filter array, an adhesive layer located on the display medium layer, and a color compensation layer. The driving substrate includes a first sub-pixel region, a second sub-pixel region, and a third sub-pixel region. The color filter array includes a red color resist, a green color resist, and a blue color resist. The color filter array and the color compensation layer are located at opposite two sides of the adhesive layer. The color compensation layer includes a first blue ink layer. A vertical projection of the green color resist on the driving substrate overlaps the second sub-pixel region. A vertical projection of the first blue ink layer on the driving substrate at least partially overlaps the second sub-pixel region.Type: ApplicationFiled: May 15, 2023Publication date: April 18, 2024Inventors: Jau-Min DING, Po-Yuan LO, Ian FRENCH
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Patent number: 11901373Abstract: An active array substrate includes a substrate and a plurality of pixel structure disposed on the substrate. Each of the pixel structure includes a scan line, a data line, and a pixel electrode. The scan line is disposed on the substrate and extending along a first direction. The data line is disposed on the substrate and extending along a second direction. The first direction crosses the second direction. The data line and the scan line define a pixel region and a first cutting clearance region. The pixel electrode is disposed on the substrate and includes a first portion and a second portion. The first portion is on the pixel region. The second portion is on the first cutting clearance region. A normal projection of the second portion onto the substrate does not overlap a normal projection of the data line onto the substrate.Type: GrantFiled: April 29, 2020Date of Patent: February 13, 2024Assignee: E Ink Holdings Inc.Inventors: Chien-Hung Lin, Ian French, Sheng-Long Lin, Xian-Teng Chung
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Patent number: 11829022Abstract: A color filter array includes a first color resist, a second color resist, and a third color resist. The first color resist has a first color, the second color resist has a second color, and the third color resist has a third color. A transparency of the third color resist is greater than transparencies of the first color resist and the second color resist. The first color resist has a first edge and a second edge arranged along a first direction. The second color resist has a first edge and a second edge arranged along a first direction. The first color resist and the second color resist are arranged along a second direction. The first edge of the first color resist, the second edge of the second color resist, and the second edge of the first color resist are arranged sequentially along the first direction.Type: GrantFiled: December 3, 2021Date of Patent: November 28, 2023Assignee: E Ink Holdings Inc.Inventors: Ian French, Xian-Teng Chung, Liang-Yu Lin, Jau-Min Ding, Po-Yuan Lo
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Publication number: 20230377505Abstract: A circuit driving substrate, display panel and a display driving method are provided. The circuit driving substrate includes a pixel array, a first switching circuit, a second switching circuit, a first driving circuit and a second driving circuit. The first switching circuit is coupled to the pixel array through a plurality of gate lines, and receives a first switching signal. The second switching circuit is coupled to the pixel array through the gate lines, and receives a second switching signal. The first driving circuit is coupled to the first switching circuit and configured to output the first voltage signal to the first switching circuit. The second driving circuit is coupled to the second switching circuit and configured to output a second voltage signal to the second switching circuit. The first switching circuit and the second switching circuit selectively provide the first voltage signal or the second voltage signal.Type: ApplicationFiled: April 28, 2023Publication date: November 23, 2023Applicant: E Ink Holdings Inc.Inventors: Wenchuan Wang, Kuang-Heng Liang, Ian French, Chih-Ching Wang
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Publication number: 20230359099Abstract: A reflective display device includes an electrophoretic display (EPD) module, an optical layer, a color filter layer, and at least one quantum dot (QD). The optical layer is located above the electrophoretic display module. The color filter layer is located on the optical layer. The quantum dot is located between the optical layer and the electrophoretic display module. When first light passes through the optical layer and transmits to the quantum dot, the quantum dot emits second light, and the electrophoretic display module is configured to reflect the second light to irradiate outwards from the color filter layer.Type: ApplicationFiled: March 1, 2023Publication date: November 9, 2023Inventors: Po-Yuan LO, Ian FRENCH, Somnath MONDAL, Jau-Min DING
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Publication number: 20230333438Abstract: A color electrophoretic display includes a display region, a pixel array, a display medium layer, an optical layer, a first color filter array, and a second color filter array. The display region includes multiple sub-pixel regions. The pixel array corresponds to the display region in position. The display medium layer is located on the pixel array. The optical layer is located on the display medium layer. The first color filter array is located on the optical layer. The second color filter array is located between the display medium layer and the optical layer.Type: ApplicationFiled: February 17, 2023Publication date: October 19, 2023Inventors: Xian-Teng CHUNG, Liang-Yu LIN, Jau-Min DING, Po-Yuan LO, Ian FRENCH