Patents by Inventor Che-Wei Chang
Che-Wei 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).
-
Publication number: 20240153440Abstract: An interleaving driving method of light emitting diode array comprises: receiving image signal; converting the image signal into gray scale signals, the gray scale signals correspond to the plurality of light emitting channels, respectively, to execute multiple steps. The multiple steps include: generating a high gray scale data group and a low gray scale data group; when there is data in the high gray scale data group, drive the light emitting diode channel corresponding to the target gray scale signal during a first turn on time interval; when there is data in the low gray scale data group, drive the light emitting diode channel corresponding to the target gray scale signal during a second turn on time interval which does not overlap the first turn on time interval and a first gray scale signal and a second gray scale signal of the gray scale signals does not overlap each other.Type: ApplicationFiled: March 9, 2023Publication date: May 9, 2024Applicant: MACROBLOCK,INC.Inventors: Kai En LIN, Che Wei CHANG, Ming Jia WU
-
Publication number: 20240142270Abstract: A dynamic calibration method for heterogeneous sensors includes: sensing dynamic objects by a first sensor to generate first sensing data; sensing the dynamic objects by a second sensor to generate second sensing data; performing feature matching between the first sensing data and the second sensing data to determine first valid data and second valid data, and identifying a tracked object from the dynamic objects based on the first valid data and the second valid data; performing feature comparison between the first valid data and the second valid data corresponding to the tracked object to calculate data errors between the first sensor and the second sensor; and calculating a calibration parameter based on the first valid data and the second valid data when the number of the data errors exceeds an error threshold, and adjusting the first sensing data and the second sensing data based on the calibration parameter.Type: ApplicationFiled: January 12, 2023Publication date: May 2, 2024Applicant: Industrial Technology Research InstituteInventors: Po-Wei Chen, Chi-Hung Wang, Che-Jui Chang
-
Publication number: 20240128252Abstract: The present application discloses a semiconductor structure. The semiconductor structure a top die and a bottom die, and the maximum die size is constrained to reticle dimension. Each die includes (1) core: computation circuits, (2) phy: analog circuit connecting to memory, (3) I/O: analog circuit connecting output elements, (4) SERDES: serial high speed analog circuit, (5) intra-stack connection circuit, and (6) cache memory. This semiconductor structure can be chapleted design for high wafer yield with least tape out masks for cost saving. The intra-stack connection circuit connects the top die and the bottom die in the shortest distance (about tens of micrometers), so as to provide high signal quality and power efficiency.Type: ApplicationFiled: October 17, 2022Publication date: April 18, 2024Inventors: TZU-WEI CHIU, CHUN-WEI CHANG, SHANG-PIN CHEN, WEI-CHIH CHEN, CHE-YEN HUANG
-
Publication number: 20240120282Abstract: The present application discloses a semiconductor structure and methods for manufacturing semiconductor structures. The semiconductor structure includes a plurality of bottom dies and a top die stacked on the bottom dies. The bottom dies receive power supplies through tiny through silicon vias (TSVs) formed in backside substrates of the bottom dies, while the top die receives power supplies through dielectric vias (TDVs) formed in a dielectric layer that covers the bottom dies. By enabling backside power delivery to the bottom die, more space can be provided for trace routing between stacked dies. Therefore, greater computation capability can be achieved within a smaller chip area with less power loss.Type: ApplicationFiled: February 20, 2023Publication date: April 11, 2024Inventors: TZU-WEI CHIU, CHUN-WEI CHANG, SHANG-PIN CHEN, WEI-CHIH CHEN, CHE-YEN HUANG
-
Publication number: 20240109517Abstract: A wiper connection structure, comprising a connection body and an upper cover. The connection body is mounted on a wiper blade; an accommodating cavity is formed on the connection body; the accommodating cavity is opened on an upper surface and a side vertical surface of the connection body respectively to correspondingly form an upper opening and an inlet for the head of a wiper to insert into the accommodating cavity; the upper cover is hingedly connected to the upper opening, and the upper cover can sealably close and open the upper opening; in addition, at least one of the accommodating cavity and the upper cover is provided with a limiting member capable of stopping and limiting the head of the wiper, so as to ensure that the head of the wiper does not fall off from the accommodating cavity.Type: ApplicationFiled: November 8, 2021Publication date: April 4, 2024Inventor: Che-Wei CHANG
-
Patent number: 11946300Abstract: A lever-operated latch device includes an assembly of a case body, an actuation body mounted on the case body, a linking member and a slide body. The actuation body has a free end and a pivoted end pivotally connected with the case body in cooperation with elastic members. The free end of the actuation body is formed with two protruding arms and an opening section positioned between the protruding arms. An operation section is disposed in the opening section. The linking member has a first end pivotally connected with the free end of the actuation body (or the operation section) and a second end connected with the slide body. When an operator presses the operation section, the actuation body is permitted to move from a closed position to an opened position so as to drive the linking member and the slide body to move.Type: GrantFiled: November 3, 2021Date of Patent: April 2, 2024Assignee: Fositek CorporationInventors: An Szu Hsu, Chun Han Lin, Che Wei Chang
-
Publication number: 20240100880Abstract: A multi-piece wheel frame includes a rim and a disc. The rim includes a barrel, and an outer rim portion protruding outwardly from the barrel. The outer rim portion forms an inclined surface, and a ring edge surface connected to an outer edge of the inclined surface and cooperating with the inclined surface to form an obtuse angle. The disc is fixed to the rim, and includes a disc core, a plurality of spoke portions extending radially outwardly from the disc core, and a reinforced ring portion connected to the spoke portions and fixed to the outer rim portion. The reinforced ring portion abuts against at least one of the inclined surface and the ring edge surface.Type: ApplicationFiled: November 16, 2022Publication date: March 28, 2024Inventors: Te-Fu HSIAO, Che-Hao KUO, Chung-Hsin CHANG, Chia-Hsin WANG, Erh-Wei LIU
-
Publication number: 20240107087Abstract: The subject application relates to a server, terminal and non-transitory computer-readable medium. The server for handling streaming data for a live streaming, comprising one or a plurality of processors, wherein the one or plurality of processors execute a machine-readable instruction to perform: recording the streaming data for the live streaming; storing the streaming data as archive contents with first identifier; receiving interaction information during the live streaming; storing the interaction information as contexts with second identifier, transmitting the archive contents with first identifier to a first user terminal; and transmitting the contexts to the first user terminal according to the first identifier and the second identifier. According to the subject application, the archive contents may be more immersive and the user experience may be enhanced.Type: ApplicationFiled: June 26, 2023Publication date: March 28, 2024Inventors: Yu-Chuan CHANG, Kun-Ze LI, Che-Wei LIU, Chieh-Min CHEN, Kuan-Hung LIU
-
Publication number: 20240099154Abstract: A magnetoresistive random access memory (MRAM) device includes a first array region and a second array region on a substrate, a first magnetic tunneling junction (MTJ) on the first array region, a first top electrode on the first MTJ, a second MTJ on the second array region, and a second top electrode on the second MTJ. Preferably, the first top electrode and the second top electrode include different nitrogen to titanium (N/Ti) ratios.Type: ApplicationFiled: November 21, 2023Publication date: March 21, 2024Applicant: UNITED MICROELECTRONICS CORPInventors: Hui-Lin Wang, Si-Han Tsai, Dong-Ming Wu, Chen-Yi Weng, Ching-Hua Hsu, Ju-Chun Fan, Yi-Yu Lin, Che-Wei Chang, Po-Kai Hsu, Jing-Yin Jhang
-
Patent number: 11932207Abstract: A universal wiper base assembly structure includes a fastening base, a rear base, a combination base, and an outer cover. The fastening base includes a main body and a decorative cover. The main body has a coupling hole, an insertion slot, a protruding platform, a positioning protrusion, a first shaft hole, two limiting arc surfaces, and multiple engagement grooves. The decorative cover has a fastening slot. The rear base includes two contact blocks, a top abutting block, and two hooks. The combination base includes two side plates, a connection plate, an open groove and a second shaft hole. The outer cover includes a fastening block, an opening, and a third shaft hole. Accordingly, a variety of wiper driving arms may be positioned to the universal wiper base assembly structure, so as to improve the convenience in assembling and reduce an overall cost.Type: GrantFiled: March 21, 2023Date of Patent: March 19, 2024Assignee: DANYANG UPC AUTO PARTS CO., LTD.Inventors: Che-Wei Chang, Cheng-Kai Yang, Chuan-Chih Chang
-
Patent number: 11934027Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.Type: GrantFiled: June 21, 2022Date of Patent: March 19, 2024Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chih-Wei Weng, Chia-Che Wu, Chien-Yu Kao, Hsiao-Hsin Hu, He-Ling Chang, Chao-Hsi Wang, Chen-Hsien Fan, Che-Wei Chang, Mao-Gen Jian, Sung-Mao Tsai, Wei-Jhe Shen, Yung-Ping Yang, Sin-Hong Lin, Tzu-Yu Chang, Sin-Jhong Song, Shang-Yu Hsu, Meng-Ting Lin, Shih-Wei Hung, Yu-Huai Liao, Mao-Kuo Hsu, Hsueh-Ju Lu, Ching-Chieh Huang, Chih-Wen Chiang, Yu-Chiao Lo, Ying-Jen Wang, Shu-Shan Chen, Che-Hsiang Chiu
-
Patent number: 11929016Abstract: A scan-type display apparatus includes an LED array and a scan driver. The LED array has a common anode configuration, and includes multiple scan lines, multiple data lines and multiple LEDs. The scan driver includes multiple scan driving circuits. Each scan driving circuit includes a voltage generator and a detector. The voltage generator has an output terminal that is connected to the scan line corresponding to the scan driving circuit, and is configured to output one of an input voltage and a clamp voltage at the output terminal of the voltage generator. The detector is connected to the output terminal of the voltage generator, and generates a detection signal that indicates whether any one of the LEDs connected to the scan line corresponding to the scan driving circuit is short circuited based on a voltage at the output terminal of the voltage generator and a detection timing signal.Type: GrantFiled: December 5, 2022Date of Patent: March 12, 2024Assignee: MACROBLOCK, INC.Inventors: Chi-Min Hsieh, Che-Wei Chang, Chen-Yuan Kuo, Wei-Hsiang Cheng
-
Patent number: 11922863Abstract: A display panel and a pixel circuit thereof are provided. The pixel circuit includes a driving current generator, a pulse width signal generator, a voltage provider, and a current enabler. The driving current generator provides a driving current. The pulse width signal generator includes an output switch. The output switch is controlled by a control signal, and provides a pulse width signal according to the control signal. The voltage provider adjusts the control signal according to a data write-in signal and a pulse width modulation enable signal. The current enabler provides the driving current to a lighting component according to the pulse width signal and an amplitude modulation enable signal.Type: GrantFiled: December 22, 2022Date of Patent: March 5, 2024Assignee: AUO CorporationInventors: Che-Wei Tung, Mei-Yi Li, Che-Chia Chang, Yu-Chieh Kuo, Yu-Zuo Lin
-
Patent number: 11917923Abstract: A magnetoresistive random access memory (MRAM) structure, including a substrate and multiple MRAM cells on the substrate, wherein the MRAM cells are arranged in a memory region adjacent to a logic region. An ultra low-k (ULK) layer covers the MRAM cells, wherein the surface portion of ultra low-k layer is doped with fluorine, and dents are formed on the surface of ultra low-k layer at the boundaries between the memory region and the logic region.Type: GrantFiled: April 28, 2021Date of Patent: February 27, 2024Assignee: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Ching-Hua Hsu, Si-Han Tsai, Shun-Yu Huang, Chen-Yi Weng, Ju-Chun Fan, Che-Wei Chang, Yi-Yu Lin, Po-Kai Hsu, Jing-Yin Jhang, Ya-Jyuan Hung
-
Patent number: 11906810Abstract: An optical element driving mechanism is provided. The optical element driving mechanism is disposed on an electronic apparatus. The optical element driving mechanism includes a first movable portion, a fixed portion, a first driving assembly, a circuit assembly, and a first position sensing assembly. The first movable portion is used for connecting to a first optical element. The first optical element is used for corresponding to light. The first movable portion is movable relative to the fixed portion. The first driving assembly is used for driving the first movable portion to move relative to the fixed portion. The circuit assembly is used for electrically connected to the electronic apparatus. The first position sensing assembly is used for detecting the movement of the first movable portion relative to the fixed portion.Type: GrantFiled: March 5, 2021Date of Patent: February 20, 2024Assignee: TDK TAIWAN CORP.Inventors: Ying-Jen Wang, Ya-Hsiu Wu, Chen-Chi Kuo, Chao-Chang Hu, Yi-Ho Chen, Che-Wei Chang, Ko-Lun Chao, Sin-Jhong Song
-
Publication number: 20240045171Abstract: An optical system is provided. The optical system includes an immovable part, a second movable part, a second drive mechanism, and a second circuit mechanism. The second movable part is used for connecting to a second optical element. The second movable part is movable relative to the immovable part. The second drive mechanism is used for driving the second movable part to move relative to the immovable part. The second circuit mechanism is electrically connected to the second drive mechanism.Type: ApplicationFiled: October 18, 2023Publication date: February 8, 2024Inventors: Chan-Jung HSU, I-Mei HUANG, Yi-Ho CHEN, Shao-Chung CHANG, Ichitai MOTO, Chen-Chi KUO, Ying-Jen WANG, Ya-Hsiu WU, Wei-Jhe SHEN, Chao-Chang HU, Che-Wei CHANG, Sin-Jhong SONG, Shu-Shan CHEN, Chih-Wei WENG, Chao-Hsi WANG
-
Publication number: 20240032236Abstract: A heat dissipation assembly is disclosed and includes a fan, a vapor chamber and a heat dissipation fin set. The fan includes a fan frame, an impeller and a fan cover. The impeller is disposed on the fan frame and accommodated in an accommodation space. The impeller includes plural metal blades and a hub, and the plural metal blades are radially arranged on the periphery of the hub to form a dense-metal-blade impeller. The fan cover is assembled with the fan frame to form an outlet, and the fan cover includes an inlet. The vapor chamber includes an upper plate and a lower plate assembled with each other. The upper plate or the lower plate is connected to the fan cover, and the vapor chamber and the fan cover are coplanar. The heat dissipation fin set is connected to the lower plate and spatially corresponding to the outlet.Type: ApplicationFiled: November 7, 2022Publication date: January 25, 2024Inventors: Chin-Ting Chen, Chih-Wei Yang, Shu-Cheng Yang, Che-Wei Chang, Wen-Cheng Huang, Chin-Hung Lee, Chih-Wei Chan
-
Publication number: 20240027549Abstract: A method for fabricating semiconductor device includes the steps of first forming a magnetic tunneling junction (MTJ) stack on a substrate, in which the MTJ stack includes a pinned layer on the substrate, a barrier layer on the pinned layer, and a free layer on the barrier layer. Next, a top electrode is formed on the MTJ stack, the top electrode, the free layer, and the barrier layer are removed, a first cap layer is formed on the top electrode, the free layer, and the barrier layer, and the first cap layer and the pinned layer are removed to form a MTJ and a spacer adjacent to the MTJ.Type: ApplicationFiled: October 4, 2023Publication date: January 25, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Chen-Yi Weng, Che-Wei Chang, Si-Han Tsai, Ching-Hua Hsu, Jing-Yin Jhang, Yu-Ping Wang
-
Publication number: 20240027550Abstract: A method for fabricating semiconductor device includes the steps of first forming a magnetic tunneling junction (MTJ) stack on a substrate, in which the MTJ stack includes a pinned layer on the substrate, a barrier layer on the pinned layer, and a free layer on the barrier layer. Next, a top electrode is formed on the MTJ stack, the top electrode, the free layer, and the barrier layer are removed, a first cap layer is formed on the top electrode, the free layer, and the barrier layer, and the first cap layer and the pinned layer are removed to form a MTJ and a spacer adjacent to the MTJ.Type: ApplicationFiled: October 5, 2023Publication date: January 25, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Chen-Yi Weng, Che-Wei Chang, Si-Han Tsai, Ching-Hua Hsu, Jing-Yin Jhang, Yu-Ping Wang
-
Patent number: D1017504Type: GrantFiled: April 21, 2022Date of Patent: March 12, 2024Assignee: DANYANG UPC AUTO PARTS CO., LTD.Inventors: Che-Wei Chang, Cheng-Kai Yang