Patents by Inventor Yang Rao
Yang Rao 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: 20210096676Abstract: A touch circuit includes a first pull-up sub-circuit, a first switching sub-circuit, a second pull-up sub-circuit, a second switching sub-circuit and a touch IC. The touch IC includes a data signal port and a clock signal port. The first pull-up sub-circuit is electrically connected to a first signal input terminal and the data signal port. The first switching sub-circuit is electrically connected to the data signal port, the first signal input terminal and a data signal input terminal. The second pull-up sub-circuit is electrically connected to the first signal input terminal and the clock signal port. The second switching sub-circuit is electrically connected to the clock signal port, the first signal input terminal and a clock signal input terminal.Type: ApplicationFiled: May 22, 2020Publication date: April 1, 2021Inventors: Yang RAO, Cheng ZUO, Dayu ZHANG, Kangpeng DANG, Hong CHEN, Peng QIN, Zhong JIN, Bo WANG, Zhongli LUO, Xiong GUO, Shifei HUANG, Teng LIU, Yuansheng TANG
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Publication number: 20210097949Abstract: A method and a device for driving a display panel, and a liquid crystal display device are provided. The method includes: controlling polarities of output voltages of data driving circuits corresponding to at least two adjacent pixels in a row of a pixel array of the display panel to be same. The adjacent pixels comprise a pixel in a bright state and a pixel in a dark state, and an absolute value of the output voltage of the data driving circuit corresponding to the pixel in the bright state is greater than an absolute value of the output voltage of the data driving circuit corresponding to the pixel in the dark state.Type: ApplicationFiled: April 2, 2020Publication date: April 1, 2021Inventors: Peng Qin, Cheng Zuo, Kangpeng Dang, Zhong Jin, Bo Wang, Yang Rao, Xiong Guo, Zhongli Luo, Yuansheng Tang, Teng Liu, Shifei Huang, Lihua Jiang, Xinxi He, Hong Chen
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Patent number: 10921653Abstract: A display panel includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a first common electrode layer and a pixel electrode layer. The first common electrode layer is configured to receive a first common voltage signal to form a first electric field with the pixel electrode layer. The second substrate is disposed opposite to the first substrate, and includes a second common electrode layer. The second common electrode layer is configured to receive a second common voltage signal to form a second electric field with the pixel electrode layer. The liquid crystal layer is disposed between the first substrate and the second substrate.Type: GrantFiled: May 31, 2019Date of Patent: February 16, 2021Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Peng Qin, Cheng Zuo, Kangpeng Dang, Yang Rao, Bo Wang, Hong Chen, Lihua Jiang, Zhongli Luo
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Patent number: 10791249Abstract: A method of gamut mapping and color gamut mapping apparatus comprises: acquiring the Lab value of the color point in the original color gamut; and determining the color point in the original color gamut relative to the coordinate location in a hue plane based on the Lab value; and determining the mapping target gamut of the color point based on the coordinate location; If a color point is located outside the mapping target area, it determining the first intersection point of the line connecting the color point and the maximum brightness and the borderline of the mapping target color gamut and the second intersection point of the color point relative to the borderline of the mapping target gamut, and finally according to the preset adjustment parameter, the mapping point being determined on the borderline of the mapping target color gamut relative to the color point.Type: GrantFiled: December 20, 2017Date of Patent: September 29, 2020Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Yang Rao
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Patent number: 10728425Abstract: A color gamut mapping method and a color gamut mapping device is provided, the method includes: determining a mapping target color gamut; obtaining a Lab value of a color point in the original color gamut, and determining a coordinate position of the color point in a corresponding tone plane of the original color gamut; judging the color point position; determining an intersection of a horizontal line the color point located and a boundary of the original color gamut, and a boundary of the mapping target color gamut; and determining a mapping point of the color point on the boundary of the map target color gamut by a ratio of an area of a pattern formed by the intersection, and an intersection of the original color gamut and a coordinate axis, and a difference between the area of the original color gamut and the area of the mapping target color gamut.Type: GrantFiled: October 20, 2017Date of Patent: July 28, 2020Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Yang Rao
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Patent number: 10614596Abstract: The present disclosure discloses an image processing method, an electronic device and an apparatus having a storage function. The method includes: inputting a to-be-processed image of a source color gamut; converting a pixel value within the to-be-processed image into a coordinate value of a preset color space; determining whether a first color gamut point in the source color gamut is located outside a target color gamut according to the coordinate value; if yes, converting the first color gamut point into a second color gamut point in an outer converting region in the target color gamut. In the above manner, the present disclosure can increase the level of detail of an image after being mapped in different color gamuts.Type: GrantFiled: November 23, 2017Date of Patent: April 7, 2020Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Yang Rao
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Patent number: 10565957Abstract: The present disclosure provides a gamut mapping method including acquiring a first coordinate value of a target pixel point P in a Lab color space according to digital values of the target pixel point P in a large gamut area; determining a hue plane in which the target pixel point P is located, and determining (H, C, L) of the target pixel point P; mapping the target pixel point P to the small gamut area to acquire a second coordinate value of a mapped pixel point P1 in the Lab color space; and acquiring mapped digital values of the mapped pixel point P1 in the small gamut area.Type: GrantFiled: August 16, 2018Date of Patent: February 18, 2020Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yang Rao
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Publication number: 20200036867Abstract: A color gamut mapping method and a color gamut mapping device is provided, the method includes: determining a mapping target color gamut; obtaining a Lab value of a color point in the original color gamut, and determining a coordinate position of the color point in a corresponding tone plane of the original color gamut; judging the color point position; determining an intersection of a horizontal line the color point located and a boundary of the original color gamut, and a boundary of the mapping target color gamut; and determining a mapping point of the color point on the boundary of the map target color gamut by a ratio of an area of a pattern formed by the intersection, and an intersection of the original color gamut and a coordinate axis, and a difference between the area of the original color gamut and the area of the mapping target color gamut.Type: ApplicationFiled: October 20, 2017Publication date: January 30, 2020Inventor: Yang RAO
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Publication number: 20190385343Abstract: The present disclosure discloses an image processing method, an electronic device and an apparatus having a storage function. The method includes: inputting a to-be-processed image of a source color gamut; converting a pixel value within the to-be-processed image into a coordinate value of a preset color space; determining whether a first color gamut point in the source color gamut is located outside a target color gamut according to the coordinate value; if yes, converting the first color gamut point into a second color gamut point in an outer converting region in the target color gamut. In the above manner, the present disclosure can increase the level of detail of an image after being mapped in different color gamuts.Type: ApplicationFiled: November 23, 2017Publication date: December 19, 2019Inventor: Yang RAO
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Publication number: 20190387132Abstract: A method of gamut mapping and color gamut mapping apparatus comprises: acquiring the Lab value of the color point in the original color gamut; and determining the color point in the original color gamut relative to the coordinate location in a hue plane based on the Lab value; and determining the mapping target gamut of the color point based on the coordinate location; If a color point is located outside the mapping target area, it determining the first intersection point of the line connecting the color point and the maximum brightness and the borderline of the mapping target color gamut and the second intersection point of the color point relative to the borderline of the mapping target gamut, and finally according to the preset adjustment parameter, the mapping point being determined on the borderline of the mapping target color gamut relative to the color point.Type: ApplicationFiled: December 20, 2017Publication date: December 19, 2019Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yang RAO
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Publication number: 20190385566Abstract: The present disclosure provides a gamut mapping method including acquiring a first coordinate value of a target pixel point P in a Lab color space according lo digital values of the target pixel point P in a large gamut area; determining a hue plane in which the target pixel point P is located, and determining (H, C, L) of the target pixel point P; mapping the target pixel point P to the small gamut area to acquire a second coordinate value of a mapped pixel point P1 in the Lab color space; and acquiring mapped digital values of the mopped pixel point P1 in the small gamut area.Type: ApplicationFiled: August 16, 2018Publication date: December 19, 2019Inventor: Yang RAO
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Publication number: 20190369449Abstract: A display panel includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a first common electrode layer and a pixel electrode layer. The first common electrode layer is configured to receive a first common voltage signal to form a first electric field with the pixel electrode layer. The second substrate is disposed opposite to the first substrate, and includes a second common electrode layer. The second common electrode layer is configured to receive a second common voltage signal to form a second electric field with the pixel electrode layer. The liquid crystal layer is disposed between the first substrate and the second substrate.Type: ApplicationFiled: May 31, 2019Publication date: December 5, 2019Inventors: Peng QIN, Cheng ZUO, Kangpeng DANG, Yang RAO, Bo WANG, Hong CHEN, Lihua JIANG, Zhongli LUO
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Publication number: 20190331954Abstract: A circuit substrate, a display device and a driving method are provided. The circuit substrate includes a base substrate, a gate driving circuit, and at least one signal trace group which are on the base substrate. The signal trace group includes two signal traces, and the two signal traces are electrically connected with the gate driving circuit and are configured to provide clock signals with inverted phases to the gate driving circuit; the two signal traces are respectively in different layers and are insulated from each other; and orthographic projections of the two signal traces on the base substrate at least partially overlap with each other.Type: ApplicationFiled: April 25, 2019Publication date: October 31, 2019Inventors: Peng QIN, Cheng ZUO, Kangpeng DANG, Yang RAO, Bo WANG, Zhong JIN, Lihua JIANG
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Publication number: 20190333421Abstract: Provided are apparatus and method for management of electronic shelf label. The apparatus for management of electronic shelf label, ESL, including an ESL mainboard and a plurality of ESL small boards, wherein the ESL mainboard sends task commands to the plurality of ESL small boards through a first logic signal; and each ESL small board of the plurality of ESL small boards includes a receiving portion and a display portion, the receiving portion receives, through the first logic signal, a command for a task corresponding to the ESL small board as sent by the ESL mainboard, and the display portion displays the task.Type: ApplicationFiled: April 24, 2019Publication date: October 31, 2019Inventors: Yang RAO, Peng QIN, Zhongli LUO, Bo WANG, Juncai AI
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Patent number: 10242461Abstract: The present disclosure relates a method to improve overlay mapping of out-of-gamut. The method includes: step 10, converting a RGB digital value to a L*a*b* value of a Lab color space; step 20, determining a hue plane where the color point P located, and further determining values of a hue angle H, a color saturation C, and a brightness L; step 30, determining a reference color point Pi by combing intersections color point PC and color point PS with the color point Lm and a parameter ?; step 40, determining whether the color point P inside or outside a line |LmPi|; and step 50, converting a L*a*b* value into a RGB value in the target gamut. The method to improve the overlay mapping of out-of-gamut according to the present disclosure causes multiple colors to no longer be mapped to the same color point.Type: GrantFiled: November 25, 2017Date of Patent: March 26, 2019Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Yang Rao
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Patent number: 8701267Abstract: A method of making finger sensor packages may include advancing a flexible circuit tape along a predetermined path of travel. The flexible circuit tape may include a flexible layer and conductive traces thereon defining individual flexible circuits. The method may include, as the flexible circuit tape is advanced along the path of travel, securing a respective finger sensing integrated circuit (IC) and surrounding sensor package frame to each flexible circuit, applying at least one fluid fill material adjacent each finger sensor IC while using the corresponding sensor package frame as a dam to thereby define finger sensor packages, and stamping out the finger sensor packages from the flexible circuit tape to form at least one flush common edge of each sensor package frame and individual flexible circuit.Type: GrantFiled: November 5, 2010Date of Patent: April 22, 2014Assignee: Authentec, Inc.Inventors: Michael P. Goldenberg, Roger Schenk, Phil Spletter, Yang Rao
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Patent number: 8616451Abstract: A finger sensing device may include a mounting substrate having a recess in a top surface thereof and having conductive through-vias extending from the top surface to a bottom surface. The conductive through-vias may extend laterally adjacent to the recess. The finger sensing device may also include a finger sensing integrated circuit (IC) die within the recess and may include a finger sensing area on a top surface thereof and bond pads on the top surface laterally adjacent the finger sensing area. The finger sensing device may also include a dielectric layer over the mounting substrate and the finger sensing IC die. The finger sensing device may further include a conductive pattern carried by the dielectric layer and coupling the conductive through-vias to respective ones of the bond pads.Type: GrantFiled: June 21, 2012Date of Patent: December 31, 2013Assignee: Authentec, Inc.Inventor: Yang Rao
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Publication number: 20130341398Abstract: A finger sensing device may include a mounting substrate having a recess in a top surface thereof and having conductive through-vias extending from the top surface to a bottom surface. The conductive through-vias may extend laterally adjacent to the recess. The finger sensing device may also include a finger sensing integrated circuit (IC) die within the recess and may include a finger sensing area on a top surface thereof and bond pads on the top surface laterally adjacent the finger sensing area. The finger sensing device may also include a dielectric layer over the mounting substrate and the finger sensing IC die. The finger sensing device may further include a conductive pattern carried by the dielectric layer and coupling the conductive through-vias to respective ones of the bond pads.Type: ApplicationFiled: June 21, 2012Publication date: December 26, 2013Applicant: AuthenTec, Inc.Inventor: Yang Rao
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Publication number: 20120112764Abstract: A method of making finger sensor packages may include advancing a flexible circuit tape along a predetermined path of travel. The flexible circuit tape may include a flexible layer and conductive traces thereon defining individual flexible circuits. The method may include, as the flexible circuit tape is advanced along the path of travel, securing a respective finger sensing integrated circuit (IC) and surrounding sensor package frame to each flexible circuit, applying at least one fluid fill material adjacent each finger sensor IC while using the corresponding sensor package frame as a dam to thereby define finger sensor packages, and stamping out the finger sensor packages from the flexible circuit tape to form at least one flush common edge of each sensor package frame and individual flexible circuit.Type: ApplicationFiled: November 5, 2010Publication date: May 10, 2012Applicant: AuthenTec, Inc., State of Incorporation: DelawareInventors: Michael P. Goldenberg, Roger Schenk, Phil Spletter, Yang Rao
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Patent number: 8085998Abstract: A finger sensor may include a finger sensing integrated circuit (IC) having a finger sensing area and at least one bond pad adjacent thereto, and a flexible circuit coupled to the IC finger sensor. More particularly, the flexible circuit may include a flexible layer, and at least one conductive trace carried thereby and coupled to the at least one bond pad. The sensor may also include at least one Electrostatic Discharge (ESD) electrode carried by the flexible layer. The ESD electrode may be positioned adjacent a beveled edge, for example, of an IC carrier and thereby exposed through a small gap between an adjacent portion of a frame.Type: GrantFiled: October 18, 2006Date of Patent: December 27, 2011Assignee: Authentec, Inc.Inventors: Dale R. Setlak, Matthew M. Salatino, Philip J. Spletter, Yang Rao