Patents by Inventor Yu-Kuan Chang
Yu-Kuan Chang 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: 20230328948Abstract: A semiconductor device includes first, second, third, fourth, and fifth active regions each extending lengthwise along a first direction, and first, second, third, fourth, fifth, and sixth gates each extending lengthwise along a second direction perpendicular to the first direction. The first, second, third, and fourth active regions comprise channel regions and source/drain (S/D) regions of first, second, third, and fourth transistors respectively, and the fifth active region comprises channel regions and S/D regions of fifth and sixth transistors. The first through sixth gates are configured to engage the channel regions of the first through sixth transistors respectively. The first, second, and fifth gates are electrically connected. The fifth active region is disposed between the second and third active regions.Type: ApplicationFiled: June 12, 2023Publication date: October 12, 2023Inventors: Kuo-Hsiu Hsu, Yu-Kuan Lin, Feng-Ming Chang, Lien-Jung Hung, Ping-Wei Wang
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Patent number: 11678474Abstract: A semiconductor device includes first, second, third, fourth, and fifth active regions each extending lengthwise along a first direction, wherein the first, second, third, and fourth active regions comprise channel regions and source/drain (S/D) regions of first, second, third, and fourth transistors respectively, and the fifth active region comprises channel regions and S/D regions of fifth and sixth transistors; and first, second, third, fourth, fifth, and sixth gates each extending lengthwise along a second direction perpendicular to the first direction, wherein the first through sixth gates are configured to engage the channel regions of the first through sixth transistors respectively, wherein the first, second, and fifth gates are electrically connected, and wherein one of the S/D regions of the first transistor, one of the S/D regions of the second transistor, the third gate, and the fourth gate are electrically connected.Type: GrantFiled: December 23, 2019Date of Patent: June 13, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Kuo-Hsiu Hsu, Yu-Kuan Lin, Feng-Ming Chang, Lien Jung Hung, Ping-Wei Wang
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Patent number: 11604402Abstract: A projection system and a projection method are provided. The projection system includes a first projector and a second projector. The first projector is configured to project a first grid picture onto a projection surface. The second projector is configured to project a second grid picture onto the projection surface. The second grid picture and the first grid picture are blended into a blended projection picture. The first grid picture includes a first overlap region. Grid lines of the first overlap region are displayed in a first color. The second grid picture includes a second overlap region. Grid lines of the second overlap region are displayed in a second color. The first color and the second color are complementary colors. When the blended projection picture is formed, grid lines of an overlap region of the first grid picture and the second grid picture are displayed in a recognition color.Type: GrantFiled: March 23, 2021Date of Patent: March 14, 2023Assignee: Coretronic CorporationInventors: Chun-Lin Chien, Yu-Kuan Chang
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Patent number: 11343480Abstract: A projection positioning system and a projection positioning method thereof are provided. A projection device projects a first test image and a second test image on a projection screen based on a projection range at different time points. At least one photosensitive element is disposed on the projection screen. In response to projecting the first test image, a computing device divides a first image sub-zone of the first test image according to the first image sub-zone corresponding to one of first optical parameters sensed by the photosensitive element, to generate the second test image. In response to projecting the second test image, the computing device determines positioning information of the photosensitive element with respect to the projection range according to a second image sub-zone corresponding to one of second optical parameters sensed by the photosensitive element. The projection device performs a projection adjustment function according to the positioning information.Type: GrantFiled: April 13, 2021Date of Patent: May 24, 2022Assignee: Coretronic CorporationInventors: Chun-Lin Chien, Chung-Lung Yang, Yu-Kuan Chang, Pen-Ning Kuo
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Patent number: 11303863Abstract: A projection system, a projection image adjusting method and a projector are provided. The projection system includes a projector and a control unit. The projector projects a projection image. The control unit controls movement of an image grid point of the projection image projected by the projector. When the projector receives a continuous adjustment signal output by the control unit, the projector determines a cumulative displacement amount proportional to a continuous signal quantity cumulative value according to the continuous signal quantity cumulative value of the continuous adjustment signal, and the image grid point is moved by the projector according to the cumulative displacement amount to correspondingly deform at least a part of the projection image, so as to provide a convenient projection image adjustment effect.Type: GrantFiled: May 6, 2020Date of Patent: April 12, 2022Assignee: Coretronic CorporationInventors: Chun-Lin Chien, Yu-Kuan Chang
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Publication number: 20210409666Abstract: A projection positioning system and a projection positioning method thereof are provided. A projection device projects a first test image and a second test image on a projection screen based on a projection range at different time points. At least one photosensitive element is disposed on the projection screen. In response to projecting the first test image, a computing device divides a first image sub-zone of the first test image according to the first image sub-zone corresponding to one of first optical parameters sensed by the photosensitive element, to generate the second test image. In response to projecting the second test image, the computing device determines positioning information of the photosensitive element with respect to the projection range according to a second image sub-zone corresponding to one of second optical parameters sensed by the photosensitive element. The projection device performs a projection adjustment function according to the positioning information.Type: ApplicationFiled: April 13, 2021Publication date: December 30, 2021Applicant: Coretronic CorporationInventors: Chun-Lin Chien, Chung-Lung Yang, Yu-Kuan Chang, Pen-Ning Kuo
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Publication number: 20210364904Abstract: A projection system and a projection method are provided. The projection system includes a first projector and a second projector. The first projector is configured to project a first grid picture onto a projection surface. The second projector is configured to project a second grid picture onto the projection surface. The second grid picture and the first grid picture are blended into a blended projection picture. The first grid picture includes a first overlap region. Grid lines of the first overlap region are displayed in a first color. The second grid picture includes a second overlap region. Grid lines of the second overlap region are displayed in a second color. The first color and the second color are complementary colors. When the blended projection picture is formed, grid lines of an overlap region of the first grid picture and the second grid picture are displayed in a recognition color.Type: ApplicationFiled: March 23, 2021Publication date: November 25, 2021Applicant: Coretronic CorporationInventors: Chun-Lin Chien, Yu-Kuan Chang
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Patent number: 11048141Abstract: Provided is an electric field generating substrate and a liquid crystal lens containing the same. The electric field generating substrate contains: a first substrate; and a first electric field generating unit disposed on the first substrate. The first electric field generating unit contains: a first main electrode; a second main electrode; and a first sub-electrode disposed between the first main electrode and the second main electrode. The first sub-electrode electrically connects to the first main electrode and the second main electrode. A first resistor is disposed between the first main electrode and the first sub-electrode, and a second resistor is disposed between the first sub-electrode and the second main electrode. In addition, the first main electrode, the second main electrode and the first sub-electrode are substantially parallel to each other.Type: GrantFiled: October 16, 2019Date of Patent: June 29, 2021Assignee: NATIONAL YANG MING CHIAO TUNG UNIVERSITYInventors: Huang-Ming Chen, Yu-Kuan Chang
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Publication number: 20200389632Abstract: A projection calibration system and a projection calibration method thereof are provided. A projection device projects test pictures onto a projection screen. Each test picture includes a pattern. A plurality of photosensitive elements are disposed on a frame of the projection screen and measure brightness sensing information when the projection device projects each test picture. In response to the pattern being changed from a first position in a first test picture to a second position in a second test picture, the brightness sensing information is changed from a first sensing value to a second sensing value. In response to the brightness sensing information being changed from the first sensing value to the second sensing value, a computing device determines picture boundary parameters according to the first position. The projection device performs image scaling according to the picture boundary parameters to project a calibrated picture aligned with the frame.Type: ApplicationFiled: June 8, 2020Publication date: December 10, 2020Applicant: Coretronic CorporationInventors: Chun-Lin Chien, Chung-Lung Yang, Yu-Kuan Chang
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Publication number: 20200355982Abstract: Provided is an electric field generating substrate and a liquid crystal lens containing the same. The electric field generating substrate contains: a first substrate; and a first electric field generating unit disposed on the first substrate. The first electric field generating unit contains: a first main electrode; a second main electrode; and a first sub-electrode disposed between the first main electrode and the second main electrode. The first sub-electrode electrically connects to the first main electrode and the second main electrode. A first resistor is disposed between the first main electrode and the first sub-electrode, and a second resistor is disposed between the first sub-electrode and the second main electrode. In addition, the first main electrode, the second main electrode and the first sub-electrode are substantially parallel to each other.Type: ApplicationFiled: October 16, 2019Publication date: November 12, 2020Inventors: Huang-Ming CHEN, Yu-Kuan CHANG
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Publication number: 20200358991Abstract: A projection system, a projection image adjusting method and a projector are provided. The projection system includes a projector and a control unit. The projector projects a projection image. The control unit controls movement of an image grid point of the projection image projected by the projector. When the projector receives a continuous adjustment signal output by the control unit, the projector determines a cumulative displacement amount proportional to a continuous signal quantity cumulative value according to the continuous signal quantity cumulative value of the continuous adjustment signal, and the image grid point is moved by the projector according to the cumulative displacement amount to correspondingly deform at least a part of the projection image, so as to provide a convenient projection image adjustment effect.Type: ApplicationFiled: May 6, 2020Publication date: November 12, 2020Applicant: Coretronic CorporationInventors: Chun-Lin Chien, Yu-Kuan Chang
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Patent number: 10764546Abstract: A projection device having a signal input unit, an image signal generating unit, an image adjustment unit, a control unit and a projection unit is provided. The signal input unit receives an external signal. The image signal generating unit generates an image signal. The image adjustment unit generates image adjustment gridlines according to the signal source. The control unit detects the signal input unit, and when the signal input unit does not receive the external signal, the control unit controls the image signal generating unit to generate the image signal to serve as the signal source. The projection unit projects the signal source and the image adjustment gridlines onto a projection plane. The projection device and the method for generating adjustment gridlines of the invention are still capable of generating the image adjustment gridlines in case that an input signal source does not exist.Type: GrantFiled: January 15, 2020Date of Patent: September 1, 2020Assignee: Coretronic CorporationInventors: Chun-Lin Chien, Yu-Kuan Chang
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Publication number: 20200244935Abstract: A projection device having a signal input unit, an image signal generating unit, an image adjustment unit, a control unit and a projection unit is provided. The signal input unit receives an external signal. The image signal generating unit generates an image signal. The image adjustment unit generates image adjustment gridlines according to the signal source. The control unit detects the signal input unit, and when the signal input unit does not receive the external signal, the control unit controls the image signal generating unit to generate the image signal to serve as the signal source. The projection unit projects the signal source and the image adjustment gridlines onto a projection plane. The projection device and the method for generating adjustment gridlines of the invention are still capable of generating the image adjustment gridlines in case that an input signal source does not exist.Type: ApplicationFiled: January 15, 2020Publication date: July 30, 2020Applicant: Coretronic CorporationInventors: Chun-Lin Chien, Yu-Kuan Chang
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Publication number: 20200145628Abstract: A projection apparatus and a correcting method of a display image are provided. Positions of identification points and an original point are determined, where the positions of the identification points relate to a size of the display image. An indication line is generated according to a selected identification point of the identification points and the original point. A correcting graphic content on the display image, which includes the identification points, the original point and the indication line, is displayed. A control signal, which indicates a movement of the selected identification point, is received. The position of the selected identification point and the indication line according to the control signal are modified, to modify the size of the display image.Type: ApplicationFiled: November 5, 2018Publication date: May 7, 2020Applicant: Coretronic CorporationInventors: Chun-Lin Chien, Yu-Kuan Chang, Yung-Chiao Liu
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Publication number: 20150029132Abstract: A method for compensating electromagnetic inductive pressure level of an electromagnetic pen is disclosed. First of all, an electromagnetic pen is provided on a touch panel, wherein the touch panel has a sensor layer and at least one sensor coil on a transparent substrate, the sensor coil is located on the peripheral region of the transparent substrate and around the sensor layer. Then the coordinates of the electromagnetic pen are calculated via the sensor layer and a pressure level value is calculated via a frequency of the electromagnetic pen. Next a pressure level compensation value is obtained from a pressure level compensation value table. Finally, a compensated pressure level value is obtained by adding the pressure level value and the pressure level compensation value.Type: ApplicationFiled: October 1, 2013Publication date: January 29, 2015Applicant: WALTOP INTERNATIONAL CORPORATIONInventors: CHIA-JUI YEH, YU-KUAN CHANG
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Publication number: 20150029133Abstract: A method for compensating electromagnetic inductive pressure level of an electromagnetic pen is disclosed. First of all, an electromagnetic pen is provided on a touch panel, wherein the touch panel has a sensor layer and at least one sensor coil on a transparent substrate, the sensor coil is located on the peripheral region of the transparent substrate and around the sensor layer. Then a signal amplitude of the electromagnetic pen is calculated and a pressure level value is calculated via a frequency of the electromagnetic pen. Next distances between the sensor coil and the electromagnetic pen are calculated to obtain the location of the electromagnetic pen. Then a pressure level compensation value is obtained from a pressure level compensation value table. Finally, a compensated pressure level value is obtained by adding the pressure level value and the pressure level compensation value.Type: ApplicationFiled: October 2, 2013Publication date: January 29, 2015Applicant: WALTOP INTERNATIONAL CORPORATIONInventors: CHIA-JUI YEH, YU-KUAN CHANG
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Patent number: 8941626Abstract: A method for compensating electromagnetic inductive pressure level of an electromagnetic pen is disclosed. First of all, an electromagnetic pen is provided on a touch panel, wherein the touch panel has a sensor layer and at least one sensor coil on a transparent substrate, the sensor coil is located on the peripheral region of the transparent substrate and around the sensor layer. Then a signal amplitude of the electromagnetic pen is calculated and a pressure level value is calculated via a frequency of the electromagnetic pen. Next distances between the sensor coil and the electromagnetic pen are calculated to obtain the location of the electromagnetic pen. Then a pressure level compensation value is obtained from a pressure level compensation value table. Finally, a compensated pressure level value is obtained by adding the pressure level value and the pressure level compensation value.Type: GrantFiled: October 2, 2013Date of Patent: January 27, 2015Assignee: Waltop International CorporationInventors: Chia-Jui Yeh, Yu-Kuan Chang
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Publication number: 20130155669Abstract: A separate drive circuit structure for light emitting diode (LED) lamp tube, wherein the LED lamp tube comprises a lampshade and at least an LED lamp strap installed inside the lampshade, and the left and right sides of the LED lamp strap in the interior of the lampshade are respectively installed with a separate drive circuit structure. The separate drive circuit structures disposed at the two ends are connected with a transmission line such that the separate drive circuit structures disposed at the two ends together constitute a drive circuit capable of driving the LED lamp strap to illuminate. Moreover, the separate drive circuit structure can effectively reduce the tube diameter of the lampshade.Type: ApplicationFiled: August 29, 2012Publication date: June 20, 2013Inventors: Feng-Pin LEE, Chun-Chen Liu, Yu-Kuan Chang
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Publication number: 20130128567Abstract: An improved light emitting diode (LED) lamp tube structure, comprising a lampshade, at least an LED lamp strap installed inside the lampshade and at least a drive circuit installed on any side of the interior of the lampshade, wherein the drive circuit includes multiple electronic components and a drive circuit board, in which the electronic components are insertion installed on one side of the drive circuit board, and at least an LED is insertion installed on the other side of the drive circuit board. Therefore, when the drive circuit drives the LED lamp strap to illuminate, it also drives the LEDs insertion installed on the other side of the drive circuit board to light up at the same time so the entire lampshade can illuminate completely.Type: ApplicationFiled: August 22, 2012Publication date: May 23, 2013Inventors: Cheng-Ming Lee, Chun-Chen Liu, Yu-Kuan Chang
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Publication number: 20110193969Abstract: The invention provides an object-detecting system and method for detecting information of an object located in an indicating space. In particular, the invention is to capture images relative to the indicating space by use of non-coincident fields of light, and further to determine the information of the object located in the indicating space. The invention also preferably sets the operation times of image-capturing units and the exposure times of light-emitting units in the object-detecting system to improve the quality of the captured images.Type: ApplicationFiled: February 9, 2011Publication date: August 11, 2011Applicant: QISDA CORPORATIONInventors: Hua-Chun Tsai, Chun-Jen Lee, Cheng-Kuan Chang, Yu-Chih Lai, Chao-Kai Mao, Wei-Che Sheng