Patents by Inventor Li-Cheng Chen
Li-Cheng Chen 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: 20250057036Abstract: A light-emitting element includes a substrate and a protective laver. A plurality of bumps is disposed above the substrate and between the substrate and the protective layer, wherein the plurality of bumps include two adjacent bumps, and an organic light-emitting unit including an organic material is disposed between the two adjacent bumps. At least one of the plurality of bumps includes a surface facing away from the substrate, the surface includes a corrugated portion, and the corrugated portion includes a vertex facing the substrate. The light-emitting element also includes an optical absorption unit, which is disposed between the substrate and the protective layer.Type: ApplicationFiled: March 31, 2023Publication date: February 13, 2025Inventors: HUEI-SIOU CHEN, LI-CHEN WEI, KUO-CHENG HSU, KER TAI CHU
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Publication number: 20250040039Abstract: A package assembly includes a substrate, an electronic component and a cover. The electronic component and the cover are disposed on the substrate, wherein the electronic component is located within a chamber between the cover and the substrate. A cooling liquid may be filled in a heat dissipation space of the cover, so as to dissipate the heat generated by the electronic component. Furthermore, the cooling liquid may be filled in the chamber where the electronic component is located, so as to directly dissipate the heat generated by the electronic component.Type: ApplicationFiled: October 10, 2024Publication date: January 30, 2025Applicant: Wiwynn CorporationInventors: Yi Cheng, Wei-Ching Chang, Kang-Bin Mah, Li-Wei Chen, Zi-Ping Wu, Ting-Yu Pai
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Publication number: 20250029547Abstract: An electronic device and a driving method for an electronic device are provided. The electronic device includes a sensor, a controller, a driving circuit, and at least one electronic unit. The sensor senses an ambient temperature to provide ambient temperature information. The controller receives the ambient temperature information. The driving circuit drives the at least one electronic unit according to a driving signal. The driving circuit generates different driving signals according to different ambient temperature information.Type: ApplicationFiled: June 5, 2024Publication date: January 23, 2025Applicants: Innolux Corporation, CARUX TECHNOLOGY PTE. LTD.Inventors: Yi-Cheng Chang, Chung-Le Chen, Li-Wei Sung
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Publication number: 20240123511Abstract: A cutting tool with through coolant has an elongated shank and a cutting portion. The cutting portion is configured to remove material from a workpiece by cutting. An outer peripheral surface of the shank is configured to be surrounded and tightly held by a hole-wall defined by a tool-fixing hole of a machine tool. At least one coolant-guiding recess is formed in the outer peripheral surface of the shank and extends along a lengthwise direction of the shank. Each coolant-guiding recess forms a coolant channel together with the hole-wall of the tool-fixing hole. An end of the coolant channel is connected to a coolant-supply system. The coolant channel formed by the coolant-guiding recess enables coolant from the coolant-supply system to be jetted toward the cutting portion. The cutting tool provides through coolant without drilled holes, thereby saving cost.Type: ApplicationFiled: October 18, 2022Publication date: April 18, 2024Applicant: YIH TROUN ENTERPRISE CO., LTD.Inventor: Li-Cheng CHEN
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Patent number: 11453067Abstract: Disclosed is an assembling and centering structure for a processing tool, the structure having a clamping handle (10), a processing head (20), and a fastening member (30) for connecting and fixing the clamping handle (10) and the processing head (20). An end face accommodation groove (100) of the clamping handle (10) is formed with a concave part (11) and a centering hole (12). The processing head (20) is formed with a convex part (211) and a centering post (222), the convex part (211) matches the concave part (11), and the centering post (222) matches the centering hole (12). Thus, it can be ensured that after assembly, the central axis of rotation of the clamping handle (10) is in a straight line with the central axis of rotation of the processing head (20).Type: GrantFiled: March 4, 2019Date of Patent: September 27, 2022Assignee: Yih Troun Enterprise Co., Ltd.Inventor: Li-Cheng Chen
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Publication number: 20210370413Abstract: Disclosed is an assembling and centering structure for a processing tool, the structure having a clamping handle (10), a processing head (20), and a fastening member (30) for connecting and fixing the clamping handle (10) and the processing head (20). An end face accommodation groove (100) of the clamping handle (10) is formed with a concave part (11) and a centering hole (12). The processing head (20) is formed with a convex part (211) and a centering post (222), the convex part (211) matches the concave part (11), and the centering post (222) matches the centering hole (12). Thus, it can be ensured that after assembly, the central axis of rotation of the clamping handle (10) is in a straight line with the central axis of rotation of the processing head (20).Type: ApplicationFiled: March 4, 2019Publication date: December 2, 2021Inventor: Li-Cheng Chen
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Patent number: 9979952Abstract: A method for creating a parallax video from a still image includes following steps. Image segmentation is performed for separating at least a foreground object within the still image from an image background of the still image. A blank region of the image background is filled, and the blank region corresponds to where the separated foreground object locates within the still image. A virtual three-dimensional (3D) scene consisting of the foreground object and the image background is created. The virtual 3D scene is analyzed for determining a camera path; and, creating the parallax video by observing the virtual 3D scene with a virtual camera moving along the camera path.Type: GrantFiled: July 2, 2014Date of Patent: May 22, 2018Assignee: HTC CorporationInventors: Huai-Che Lee, Li-Cheng Chen, Yung-Chao Tseng, Hsin-Ti Chueh
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Patent number: 9760793Abstract: An apparatus and computer-implemented method for generating a three-dimensional scene and non-transitory tangible computer readable medium thereof are provided. The apparatus comprises a storage unit and a processing unit. The storage unit is stored with an image and a plurality of depth data of the image. The processing unit is configured to generate a depth histogram according to the depth data, generate a region of interest of the image according to the depth histogram, decide a moving path of a virtual camera according to the region of interest, and generate the three-dimensional scene according to the image and the moving path.Type: GrantFiled: October 30, 2014Date of Patent: September 12, 2017Assignee: HTC CORPORATIONInventors: Li-Cheng Chen, Huai-Che Lee, Jhih-Rong Chen, Yung-Chao Tseng, Hsin-Ti Chueh
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Patent number: 9589178Abstract: An image processing method includes steps of: providing a source face image and a target face image; extracting facial features from the source face image and the target face image respectively; detecting feature dimensions of the facial features from the source face image and the target face image respectively; pairing the facial features from the source face image with the facial features from the target face image; and, forming an output face image by adjusting the facial features from the source face image in at least one of the feature dimensions according to the paired features from the target face image in the corresponding feature dimensions.Type: GrantFiled: September 12, 2014Date of Patent: March 7, 2017Assignee: HTC CorporationInventors: Pol-Lin Tai, Jing-Lung Wu, Hsin-Ti Chueh, Li-Cheng Chen
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Patent number: 9508193Abstract: Apparatuses, methods, and non-transitory tangible computer readable media thereof for creating a 3D scene are provided. The apparatus generates a height map according to a plurality of depth data of an image. The apparatus finds a first region of the height map, wherein the depth data within the first region change more greatly than the depth data outside the first region. The apparatus creates a plurality of grids on a plane according to the first region and generate a 3D mesh by morphing the height map with the grids of the plane. The plane and the height map are of the same size, a second region within the plane corresponds to the first region of the height map, and the grids inside the second region has a finer resolution than the grids outside the second region. The apparatus generates the 3D scene by mapping the image onto the 3D mesh.Type: GrantFiled: January 5, 2015Date of Patent: November 29, 2016Assignee: HTC CORPORATIONInventors: Li-Cheng Chen, Huai-Che Lee, Jhih-Rong Chen, Yung-Chao Tseng, Hsin-Ti Chueh
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Publication number: 20160263686Abstract: A screw tap with replaceable tool bit has a holding body, a detachable blade, and a fixing element. The holding body has a receiving area and a first engaging portion. The detachable blade is mounted in the receiving area of the holding body and has a second engaging portion, and the second sharp part of the second engaging portion engages with the first sharp part of the first engaging portion. The fixing element is securely mounted through the holding body and the detachable blade. The detachable blade can disassemble from the holding body, and thus one holding body could be installed with detachable blades of various dimensions. As the detachable blade is damaged, the damaged detachable blade is replaced with a new detachable blade to keep processing.Type: ApplicationFiled: November 1, 2013Publication date: September 15, 2016Applicant: YIH TROUN ENTERPRISE CO., LTD.Inventor: Li-Cheng CHEN
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Patent number: 9424808Abstract: The invention discloses an image cropping manipulation method for use in a portable electronic device. The portable electronic device comprises a touch screen and an image processing unit. The method comprises: displaying a sub-image on the touch screen, the sub-image is cropped from a digital image; receiving a user input from the touch screen; in response to the user input, map the user input to an operation on the digital image; and performing the operation to update the sub-image.Type: GrantFiled: August 22, 2013Date of Patent: August 23, 2016Assignee: HTC CorporationInventors: Huai-Che Lee, Li-Cheng Chen, Jenn-Wein Wu, Hsin-Ti Chueh
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Publication number: 20160078280Abstract: An image processing method includes steps of: providing a source face image and a target face image; extracting facial features from the source face image and the target face image respectively; detecting feature dimensions of the facial features from the source face image and the target face image respectively; pairing the facial features from the source face image with the facial features from the target face image; and, forming an output face image by adjusting the facial features from the source face image in at least one of the feature dimensions according to the paired features from the target face image in the corresponding feature dimensions.Type: ApplicationFiled: September 12, 2014Publication date: March 17, 2016Inventors: Pol-Lin TAI, Jing-Lung WU, Hsin-Ti CHUEH, Li-Cheng CHEN
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Publication number: 20150193974Abstract: Apparatuses, methods, and non-transitory tangible computer readable media thereof for creating a 3D scene are provided. The apparatus generates a height map according to a plurality of depth data of an image. The apparatus finds a first region of the height map, wherein the depth data within the first region change more greatly than the depth data outside the first region. The apparatus creates a plurality of grids on a plane according to the first region and generate a 3D mesh by morphing the height map with the grids of the plane. The plane and the height map are of the same size, a second region within the plane corresponds to the first region of the height map, and the grids inside the second region has a finer resolution than the grids outside the second region. The apparatus generates the 3D scene by mapping the image onto the 3D mesh.Type: ApplicationFiled: January 5, 2015Publication date: July 9, 2015Inventors: Li-Cheng Chen, Huai-Che Lee, Jhih-Rong Chen, Yung-Chao Tseng, Hsin-Ti Chueh
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Publication number: 20150172627Abstract: An automatic calibration method suitable for an electronic apparatus comprising a proximity sensor is disclosed. The automatic calibration method includes steps of: resetting data comprising a minimal index and a maximal index when a specific function is activated; updating the minimal index and the maximal index according to readings from the proximity sensor; resetting the minimal index when the proximity sensor detects a far event according to a threshold value of the proximity sensor; resetting the maximal index when the proximity sensor detects a near event according to the threshold value; and, re-calculating the threshold value according to the minimal index or the maximal index every time the minimal index or the maximal index is updated.Type: ApplicationFiled: July 2, 2014Publication date: June 18, 2015Inventors: Huai-Che LEE, Li-Cheng CHEN, Yung-Chao TSENG, Hsin-Ti CHUEH
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Publication number: 20150116317Abstract: An apparatus and computer-implemented method for generating a three-dimensional scene and non-transitory tangible computer readable medium thereof are provided. The apparatus comprises a storage unit and a processing unit. The storage unit is stored with an image and a plurality of depth data of the image. The processing unit is configured to generate a depth histogram according to the depth data, generate a region of interest of the image according to the depth histogram, decide a moving path of a virtual camera according to the region of interest, and generate the three-dimensional scene according to the image and the moving path.Type: ApplicationFiled: October 30, 2014Publication date: April 30, 2015Inventors: Li-Cheng CHEN, Huai-Che LEE, Jhih-Rong CHEN, Yung-Chao TSENG, Hsin-Ti CHUEH
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Publication number: 20150054854Abstract: The invention discloses an image cropping manipulation method for use in a portable electronic device. The portable electronic device comprises a touch screen and an image processing unit. The method comprises: displaying a sub-image on the touch screen, the sub-image is cropped from a digital image; receiving a user input from the touch screen; in response to the user input, map the user input to an operation on the digital image; and performing the operation to update the sub-image.Type: ApplicationFiled: August 22, 2013Publication date: February 26, 2015Applicant: HTC CorporationInventors: Huai-Che Lee, Li-Cheng Chen, Jenn-Wein Wu, Hsin-Ti Chueh
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Patent number: 8368688Abstract: A method for rendering fluid is provided. First, state information of a plurality of fluid particles is provided, wherein the state information records whether the fluid particles are located above or under a fluid surface and the interactions between the fluid particles and a terrain or the dynamic objects. Then, whether to render the fluid particles in a direction facing a viewer or in a direction parallel to the flow direction is determined according to the information that whether the fluid particles are located above or under the fluid surface. Next, the fluid particles are rendered as a plurality of two-dimensional metaballs according to the interactions between the fluid particles and the terrain or the dynamic objects, and these metaballs are stacked to reconstruct the fluid.Type: GrantFiled: October 1, 2008Date of Patent: February 5, 2013Assignee: Institute for Information IndustryInventors: Hsiang-Yun Chang, Chun-Fa Chang, Li-Cheng Chen
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Publication number: 20120206450Abstract: 3D format conversion systems and methods are provided. The 3D format conversion system includes a 3D panel supporting at least one 3D display format, a frame buffer, and a graphics processing unit including a plurality of shaders for parallel processing image data. The graphics processing unit obtains a 3D source using texture streaming, converts the 3D source into the 3D display format supported by the 3D panel using the shaders, and outputs the converted 3D source to the frame buffer. The 3D panel obtains and displays the converted 3D source from the frame buffer.Type: ApplicationFiled: February 14, 2012Publication date: August 16, 2012Applicant: HTC CORPORATIONInventors: Li-Cheng CHEN, Jenn-Wein WU, Hsin-Ti CHUEH
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Publication number: 20100052634Abstract: A driving circuit that improves the loading transient performance of a power converter is provided. The driving circuit comprises an input unit, an output unit, a reference current generating unit, and a discharging unit. The input unit receives a first voltage signal and a second voltage signal. The first voltage signal has a first voltage V1 and the second voltage signal has a second voltage V2. The output unit outputs a third voltage signal. The input unit, the output unit, and the reference current generating unit form an error amplifier. A discharging unit has a discharging current path. When V1 is larger than (1+a)*V2, the discharging current path is turned ON. When V1 is smaller than (1+b)*V2, the discharging current path is turned OFF.Type: ApplicationFiled: September 1, 2008Publication date: March 4, 2010Inventor: Li-Cheng CHEN