Patents by Inventor Jia-Lun Chen
Jia-Lun 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: 20240069618Abstract: The disclosure provides a power management method. The power management method is applicable to an electronic device. The electronic device is electrically coupled to an adapter, and includes a system and a battery. The adapter has a feed power. The battery has a discharge power. The power management method of the disclosure includes: reading a power value of the battery; determining a state of the system; and discharging power to the system, when the system is in a power-on state and the power value is greater than a charging stopping value, by using the battery, and controlling, according to the discharge power and the feed power, the adapter to selectively supply power to the system. The disclosure further provides an electronic device using the power management method.Type: ApplicationFiled: April 27, 2023Publication date: February 29, 2024Inventors: Wen Che CHUNG, Hui Chuan LO, Hao-Hsuan LIN, Chun TSAO, Jun-Fu CHEN, Ming-Hung YAO, Jia-Wei ZHANG, Kuan-Lun CHEN, Ting-Chao LIN, Cheng-Yen LIN, Chunyen LAI
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Patent number: 11915501Abstract: An object detection method and apparatus include obtaining a point cloud of a scene that includes location information of points. The point cloud is mapped to a 3D voxel representation. A convolution operation is performed on the feature information of the 3D voxel to obtain a convolution feature set and initial positioning information of a candidate object region is determined based on the convolution feature set. A target point is located in the candidate object region in the point cloud is determined and the initial positioning information of the candidate object region is adjusted based on the location information and target convolution feature information of the target point. Positioning information of a target object region is obtained to improve object detection accuracy.Type: GrantFiled: May 27, 2021Date of Patent: February 27, 2024Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Yi Lun Chen, Shu Liu, Xiao Yong Shen, Yu Wing Tai, Jia Ya Jia
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Patent number: 8776367Abstract: A method of making a nonfluoropolymer electret film is provided. The method may include: providing a polymer-containing solution, the polymer-containing solution comprising at least one polymer material, at least one solvent, and at least one surfactant, spreading the polymer-containing solution to provide a wetting polymer film, removing at least a portion of the solvent in the wetting polymer film to provide a polymer film, and conducting a Corona charging to the polymer film to form the electret film.Type: GrantFiled: April 13, 2009Date of Patent: July 15, 2014Assignee: National Taiwan UniversityInventors: Shih-Yuan Lee, Chih-Kung Lee, Wen-Ching Ko, Jia-Lun Chen, Ing Yih Leu, Wen-Hsin Hsiao, Wen-Jong Wu
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Patent number: 8629963Abstract: In an embodiment of the invention, a liquid crystal display is provided. The liquid crystal display includes a first substrate, a first electrode formed on the first substrate, wherein the first electrode includes a plurality of subpixels, and each the subpixel includes a plurality of subunits, and each the subunit includes a plurality of first slits and a plurality of second slits, wherein the first slits are connected to the second slits and the first slits of the subunits which are adjacent to each other are connected to each other, a second substrate opposite to the first substrate, a second electrode formed on the second substrate, and a liquid crystal layer disposed between the first electrode and the second electrode.Type: GrantFiled: February 29, 2012Date of Patent: January 14, 2014Assignees: Innocom Technology (Shenzhen) Co., Ltd., Chimei Innolux CorporationInventors: Chien-Hong Chen, Jia-Lun Chen
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Patent number: 8600082Abstract: A sound-generating device comprises at least two first enclosures and a thin film. The at least two first enclosures with at least one first bendable element coupled between two neighboring first enclosures. The thin film comprising at least one electrode and at least one piezoelectric layer, the at least one electrode being coupled with a terminal of an audio signal output, wherein the at least one piezoelectric layer is configured to respond to a signal supplied by the audio signal output and to generate sound waves. The thin film and the at least two first enclosures are coupled together forming at least two first cavities between the thin film and the first enclosure, and the first bendable element is attached to the thin film.Type: GrantFiled: December 28, 2012Date of Patent: December 3, 2013Assignee: National Taiwan UniversityInventors: Chih-Kung Lee, Wen-Ching Ko, Jia-Lun Chen, Wen-Hsin Hsiao, Wen-Jong Wu
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Patent number: 8421986Abstract: A substrate with a multi-domain vertical alignment pixel structure is provided. The substrate is opposite to a counter substrate with a common electrode, and a liquid crystal layer is disposed between the substrate and the counter substrate. The substrate includes a scan line and a data line, an active device, first and second patterned pixel electrodes and a voltage drop layer. Wherein, the first patterned pixel electrode provides a first electrical field to the liquid crystal layer, and the second patterned pixel electrode provides a second electrical field to the liquid crystal layer. The voltage drop layer makes the first electrical field smaller than the second electrical field.Type: GrantFiled: December 29, 2010Date of Patent: April 16, 2013Assignee: Chimei Innolux CorporationInventors: Jian-Cheng Chen, Chien-Hong Chen, Chih-Yung Hsieh, Wei Lo, Chun-Hsu Lin, Ching-Che Yang, Jia-Lun Chen
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Patent number: 8379888Abstract: A sound-generating device comprises a first enclosure having at least one first electrode and a first piezoelectric layer, a first terminal of an audio signal output being coupled to the at least one first electrode of the first enclosure, a second enclosure having at least one first electrode and a first piezoelectric layer, and a first bendable element coupled between the first and second enclosures. The at least one first electrode is coupled with the first terminal of the audio signal output. The first piezoelectric layer of the first enclosure and the first piezoelectric layer of the second enclosure are configured to respond to the signal supplied by the audio signal output and to generate sound waves.Type: GrantFiled: July 8, 2008Date of Patent: February 19, 2013Assignee: National Taiwan UniversityInventors: Chih-Kung Lee, Wen-Ching Ko, Jia-Lun Chen, Wen-Hsin Hsiao, Wen-Jong Wu
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Patent number: 8346200Abstract: A low-noise block converter comprises a low-noise amplifier, a local oscillator, a mixer, an IF-amplifier and a regulator. The low-noise amplifier amplifies a high-band received signal. The local oscillator generates a local-frequency signal. The mixer transforms the high-band received signal into an intermediate-frequency signal by mixing the high-band received signal with the generated local-frequency signal. The IF-amplifier amplifies the intermediate-frequency signal. The regulator is connected to the IF-amplifier to provide a steady current (or voltage) to the local oscillator, the mixer and the low-noise amplifier.Type: GrantFiled: July 23, 2008Date of Patent: January 1, 2013Assignee: Microelectronics Technology Inc.Inventors: Kuo Tien Chang, Jia Lun Chen
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Publication number: 20120224129Abstract: In an embodiment of the invention, a liquid crystal display is provided. The liquid crystal display includes a first substrate, a first electrode formed on the first substrate, wherein the first electrode includes a plurality of subpixels, and each the subpixel includes a plurality of subunits, and each the subunit includes a plurality of first slits and a plurality of second slits, wherein the first slits are connected to the second slits and the first slits of the subunits which are adjacent to each other are connected to each other, a second substrate opposite to the first substrate, a second electrode formed on the second substrate, and a liquid crystal layer disposed between the first electrode and the second electrode.Type: ApplicationFiled: February 29, 2012Publication date: September 6, 2012Applicants: CHIMEI INNOLUX CORPORATION, INNOCOM TECHNOLOGY(SHENZHEN)CO., LTD.Inventors: Chien-Hong CHEN, Jia-Lun CHEN
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Patent number: 8111847Abstract: A speaker comprises at least one electrode electrically coupled with an audio signal input and a film comprising at least one electret layer. The film is configured to interact with the electrode in response to an audio signal supplied by the audio signal input and to vibrate to generate sound waves. The electret layer is formed from a polymer-containing solution.Type: GrantFiled: August 6, 2008Date of Patent: February 7, 2012Assignee: National Taiwan UniversityInventors: Shih-Yuan Lee, Chih-Kung Lee, Wen-Ching Ko, Jia-Lun Chen, Ing Yih Leu, Wen-Hsin Hsiao, Wen-Jong Wu
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Patent number: 8098855Abstract: A flexible actuator comprises a thin film and at least one first enclosure with at least one first bendable element coupled to the first enclosure. The thin film may comprise a conductive layer and a first electret layer over a first surface of the conductive layer. The thin film is configured to be bendable. The first enclosure have a first electrode layer as part of the first enclosure. The first enclosure is provided over the first electret layer with the first electrode layer being spaced apart from the first electret layer. The first electrode layer is coupled with a first terminal of an audio signal input. The thin film is configured to interact with the first enclosure in response to audio signals supplied by the audio signal input and to generate sound waves.Type: GrantFiled: August 6, 2008Date of Patent: January 17, 2012Assignee: National Taiwan UniversityInventors: Chih-Kung Lee, Wen-Ching Ko, Jia-Lun Chen, Wen-Hsin Hsiao, Wen-Jong Wu
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Patent number: 8009838Abstract: A speaker system that includes an audio signal-receiving interface, a modulating circuit, a phase-control circuit, and a number of speaker units. The audio signal-receiving interface is configured to receive an audio signal, and the modulating circuit is coupled with the audio signal-receiving interface. The modulating circuit is configured to modulate a low frequency component of the audio signal and to generate a modulated signal. The phase-control circuit is coupled with the modulating circuit and the audio signal-receiving interface. The phase-control circuit is configured to receive the modulated signal and a high-frequency component of the audio signal and to control a phase of the modulated signal, a phase of the high-frequency component of the audio signal, or both. The speaker units are coupled with the phase-control circuit and configured to generate sound waves based on signals supplied by the phase-control circuit.Type: GrantFiled: August 22, 2008Date of Patent: August 30, 2011Assignee: National Taiwan UniversityInventors: Chih-Kung Lee, Wen-Ching Ko, Ji-De Huang, Jia-Lun Chen, Ing-Yih Leu, Wen-Hsin Hsiao, Chih-Chiang Cheng, Jen-Hsuan Ho, Wen-Jong Wu
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Publication number: 20110157537Abstract: A substrate with a multi-domain vertical alignment pixel structure is provided. The substrate is opposite to a counter substrate with a common electrode, and a liquid crystal layer is disposed between the substrate and the counter substrate. The substrate includes a scan line and a data line, an active device, first and second patterned pixel electrodes and a voltage drop layer. Wherein, the first patterned pixel electrode provides a first electrical field to the liquid crystal layer, and the second patterned pixel electrode provides a second electrical field to the liquid crystal layer. The voltage drop layer makes the first electrical field smaller than the second electrical field.Type: ApplicationFiled: December 29, 2010Publication date: June 30, 2011Applicant: CHIMEI INNOLUX CORPORATIONInventors: Jian-Cheng CHEN, Chien-Hong CHEN, Chih-Yung HSIEH, Wei LO, Chun-Hsu LIN, Ching-Che YANG, Jia-Lun CHEN
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Publication number: 20100215197Abstract: A flexible actuator comprises a thin film and at least one first enclosure with at least one first bendable element coupled to the first enclosure. The thin film may comprise a conductive layer and a first electret layer over a first surface of the conductive layer. The thin film is configured to be bendable. The first enclosure have a first electrode layer as part of the first enclosure. The first enclosure is provided over the first electret layer with the first electrode layer being spaced apart from the first electret layer. The first electrode layer is coupled with a first terminal of an audio signal input. The thin film is configured to interact with the first enclosure in response to audio signals supplied by the audio signal input and to generate sound waves.Type: ApplicationFiled: August 6, 2008Publication date: August 26, 2010Inventors: Chih-Kung Lee, Wen-Ching Ko, Jia-Lun Chen, Wen-Hsin Hsiao, Wen-Jong Wu
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Publication number: 20090245547Abstract: A method of making a nonfluoropolymer electret film is provided. The method may include: providing a polymer-containing solution, the polymer-containing solution comprising at least one polymer material, at least one solvent, and at least one surfactant, spreading the polymer-containing solution to provide a wetting polymer film, removing at least a portion of the solvent in the wetting polymer film to provide a polymer film, and conducting a Corona charging to the polymer film to form the electret film.Type: ApplicationFiled: April 13, 2009Publication date: October 1, 2009Inventors: Shih-Yuan Lee, Chih-Kung Lee, Wen-Ching Ko, Jia-Lun Chen, Ing Yih Leu, Wen-Hsin Hsiao, Wen-Jong Wu
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Publication number: 20090214049Abstract: A speaker system that includes an audio signal-receiving interface, a modulating circuit, a phase-control circuit, and a number of speaker units. The audio signal-receiving interface is configured to receive an audio signal, and the modulating circuit is coupled with the audio signal-receiving interface. The modulating circuit is configured to modulate a low frequency component of the audio signal and to generate a modulated signal. The phase-control circuit is coupled with the modulating circuit and the audio signal-receiving interface. The phase-control circuit is configured to receive the modulated signal and a high-frequency component of the audio signal and to control a phase of the modulated signal, a phase of the high-frequency component of the audio signal, or both. The speaker units are coupled with the phase-control circuit and configured to generate sound waves based on signals supplied by the phase-control circuit.Type: ApplicationFiled: August 22, 2008Publication date: August 27, 2009Inventors: Chih-Kung Lee, Wen-Ching KO, Ji-De Huang, Jia-Lun Chen, Ing-Yih Leu, Wen-Hsin Hsiao, Chih-Chiang Cheng, Jen-Hsuan Ho, Wen-Jong Wu
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Publication number: 20090185701Abstract: A sound-generating device comprises a first enclosure having at least one first electrode and a first piezoelectric layer, a first terminal of an audio signal output being coupled to the at least one first electrode of the first enclosure, a second enclosure having at least one first electrode and a first piezoelectric layer, and a first bendable element coupled between the first and second enclosures. The at least one first electrode is coupled with the first terminal of the audio signal output. The first piezoelectric layer of the first enclosure and the first piezoelectric layer of the second enclosure are configured to respond to the signal supplied by the audio signal output and to generate sound waves.Type: ApplicationFiled: July 8, 2008Publication date: July 23, 2009Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chih-Kung Lee, Wen-Ching Ko, Jia-Lun Chen, Wen-Hsin Hsiao, Wen-Jong Wu
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Publication number: 20090169036Abstract: A speaker comprises at least one electrode electrically coupled with an audio signal input and a film comprising at least one electret layer. The film is configured to interact with the electrode in response to an audio signal supplied by the audio signal input and to vibrate to generate sound waves. The electret layer is formed from a polymer-containing solution.Type: ApplicationFiled: August 6, 2008Publication date: July 2, 2009Inventors: Shin-Yuan Lee, Chih-Kung Lee, Wen-Ching Ko, Jia-Lun Chen, Ing Yih Leu, Wen-Hsin Hsiao, Wen-Jong Wu
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Publication number: 20090163169Abstract: A low-noise block converter comprises a low-noise amplifier, a local oscillator, a mixer, an IF-amplifier and a regulator. The low-noise amplifier amplifies a high-band received signal. The local oscillator generates a local-frequency signal. The mixer transforms the high-band received signal into an intermediate-frequency signal by mixing the high-band received signal with the generated local-frequency signal. The IF-amplifier amplifies the intermediate-frequency signal. The regulator is connected to the IF-amplifier to provide a steady current (or voltage) to the local oscillator, the mixer and the low-noise amplifier.Type: ApplicationFiled: July 23, 2008Publication date: June 25, 2009Applicant: MICROELECTRONICS TECHNOLOGY INC.Inventors: KUO TIEN CHANG, JIA LUN CHEN