Patents by Inventor Chia-Chang Tsai
Chia-Chang Tsai 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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Patent number: 11982860Abstract: An optical member driving mechanism is provided. The optical member driving mechanism includes a fixed portion, a movable portion, an electromagnetic driving assembly and an elastic member. The fixed portion has a base and a frame that is disposed on the base. The movable portion is movable relative to the fixed portion, and includes a carrier for carrying an optical member with an incident optical axis. The carrier includes a body and a sidewall that extends along the edge of the body, wherein the carrier further includes a first stopping portion and a second stopping portion protruding towards the fixed portion. The electromagnetic driving assembly drives the movable portion to move relative to the fixed portion. The movable portion is movably connected to the fixed portion via the elastic member.Type: GrantFiled: April 8, 2022Date of Patent: May 14, 2024Assignee: TDK TAIWAN CORP.Inventors: Chia-Che Wu, Sung-Mao Tsai, Chao-Chang Hu, Che-Wei Chang, Chen-Hsien Fan, Chih-Wei Weng
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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
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Publication number: 20240071263Abstract: The present invention provides a display panel, including a backplane having flexibility, a first fixing member, a front frame having flexibility, and a display module provided between the backplane and the front frame. The backplane has a base plate with a first side. The first fixing member extends corresponding to the first side and has a first predetermined curvature. The first fixing member at least has a first wall body standing upright relative to the base plate, and the first fixing member is relatively fixed to the backplane, so that the curvature of the backplane can be adjusted corresponding to the first fixing member. The front frame is provided in a manner that extends correspondingly to the periphery of the backplane, and is relatively fixed to the backplane, so that the curvature of the front frame is relatively adapted to that of the backplane.Type: ApplicationFiled: August 28, 2023Publication date: February 29, 2024Inventors: MING-CHIN TSAI, CHIA-HSIN JOW, CHI-CHANG CHEN, CHIA-HSIN CHANG
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Patent number: 11656401Abstract: A back plate unit includes a back plate having opposite first and second sides, an optical member mounted to the back plate, and a buffer assembly disposed between the optical member and the back plate and including at least one first buffer member disposed on the first side and made of a thermoplastic material, and at least one second buffer member disposed on the second side and made of a thermoset material. The at least one first buffer member and the optical member are deformed when heated, and the at least one first buffer member is squeezed and compressed by expansion of the optical member. A backlight module of a display device is also disclosed.Type: GrantFiled: August 2, 2022Date of Patent: May 23, 2023Assignee: TOP VICTORY INVESTMENTS LIMITEDInventors: Hung-Chi Cheng, Chien-Lung Huang, Chia-Chang Tsai, Chih-Yuan Sung
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Publication number: 20230077713Abstract: A back plate unit includes a back plate having opposite first and second sides, an optical member mounted to the back plate, and a buffer assembly disposed between the optical member and the back plate and including at least one first buffer member disposed on the first side and made of a thermoplastic material, and at least one second buffer member disposed on the second side and made of a thermoset material. The at least one first buffer member and the optical member are deformed when heated, and the at least one first buffer member is squeezed and compressed by expansion of the optical member. A backlight module of a display device is also disclosed.Type: ApplicationFiled: August 2, 2022Publication date: March 16, 2023Inventors: Hung-Chi CHENG, Chien-Lung HUANG, Chia-Chang TSAI, Chih-Yuan SUNG
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Patent number: 8753119Abstract: A mounting method of dental cast is disclosed. The mounting method includes the steps of providing an articulator and a label module having at least a label and at least a reference object, generating a label coordinate information in accordance with the reference object and the label, providing a midface and mandible image information and generating a landmark coordinate information in accordance with a plurality of landmarks of the midface and mandible image information, generating a structure coordinate information in accordance with a plurality of structures of the articulator and the label, disposing a first dental cast connected with the label module on the articulator, and providing a detecting device to detect the label and adjust the position of the first dental cast in accordance with the midface and mandible image information, the label coordinate information, and the structure coordinate information.Type: GrantFiled: July 6, 2012Date of Patent: June 17, 2014Assignee: National Cheng Kung UniversityInventors: Jing-Jing Fang, Tung-Yiu Wong, Chia-Chang Tsai, Tai-Hong Kuo
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Patent number: 8421951Abstract: In one aspect of the present invention, an LCD includes a front frame having a flange and a rear cover having a flange defining a housing therebetween, a liquid crystal (LC) panel placed in the housing, a backlight positioned between the LC panel and the rear cover, and a backlight frame having a first engaging structure configured to receive the flanges of the front frame and the rear cover, and a second engaging structure configured to retain the backlight and the LC panel in the housing.Type: GrantFiled: December 6, 2012Date of Patent: April 16, 2013Assignee: AU Optronics CorporationInventors: Chung-Min Wang, Chia-Hsin Chang, Ping-Fu Wang, Chia-Chang Tsai
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Publication number: 20130011808Abstract: A mounting method of dental cast is disclosed. The mounting method includes the steps of providing an articulator and a. label module having at least a label and at least a reference object, generating a label coordinate information in accordance with the reference object and the label, providing a midface and mandible image information and generating a landmark coordinate information in accordance with a plurality of landmarks of the midface and mandible image information, generating a structure coordinate information in accordance with a plurality of structures of the articulator and the label, disposing a first dental cast connected with the label module on the articulator, and providing a detecting device to detect the label and adjust the position of the first dental cast in accordance with the midface and mandible image information, the label coordinate information, and the structure coordinate information.Type: ApplicationFiled: July 6, 2012Publication date: January 10, 2013Inventors: Jing-Jing FANG, Tung-Yiu Wong, Chia-Chang Tsai, Tai-Hong Kuo
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Patent number: 8350983Abstract: In one aspect of the present invention, an LCD includes a front frame having a flange and a rear cover having a flange defining a housing therebetween, a liquid crystal (LC) panel placed in the housing, a backlight positioned between the LC panel and the rear cover, and a backlight frame having a first engaging structure configured to receive the flanges of the front frame and the rear cover, and a second engaging structure configured to retain the backlight and the LC panel in the housing.Type: GrantFiled: November 10, 2010Date of Patent: January 8, 2013Assignee: AU Optronics CorporationInventors: Chung-Min Wang, Chia-Hsin Chang, Ping-Fu Wang, Chia-Chang Tsai
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Patent number: 8313349Abstract: A multi-slot connector and a manufacture method thereof are provided. The multi-slot connector includes a housing and a conducting structure. The conducting structure has a body and a terminal portion extending from the body. After extending out from the body, the terminal portion bends to form a first ridge. After bending the first ridge, the terminal portion turns to form a winding portion which winds back toward the body and bends to form a second ridge, wherein the first and second ridges protrude toward different directions. The housing has a first slot and a second slot. When the conducting structure is disposed in the housing, the first ridge and the second ridge are respectively corresponding to the first slot and the second slot.Type: GrantFiled: September 23, 2011Date of Patent: November 20, 2012Assignee: Au Optronics CorporationInventors: Chia-Chang Tsai, Chih-Kang Wu, Chun-Ta Wu
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Publication number: 20120113348Abstract: In one aspect of the present invention, an LCD includes a front frame having a flange and a rear cover having a flange defining a housing therebetween, a liquid crystal (LC) panel placed in the housing, a backlight positioned between the LC panel and the rear cover, and a backlight frame having a first engaging structure configured to receive the flanges of the front frame and the rear cover, and a second engaging structure configured to retain the backlight and the LC panel in the housing.Type: ApplicationFiled: November 10, 2010Publication date: May 10, 2012Applicant: AU OPTRONICS CORPORATIONInventors: Chung-Min Wang, Chia-Hsin Chang, Ping-Fu Wang, Chia-Chang Tsai
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Publication number: 20120015562Abstract: A multi-slot connector and a manufacture method thereof are provided. The multi-slot connector includes a housing and a conducting structure. The conducting structure has a body and a terminal portion extending from the body. After extending out from the body, the terminal portion bends to form a first ridge. After bending the first ridge, the terminal portion turns to form a winding portion which winds back toward the body and bends to form a second ridge, wherein the first and second ridges protrude toward different directions. The housing has a first slot and a second slot. When the conducting structure is disposed in the housing, the first ridge and the second ridge are respectively corresponding to the first slot and the second slot.Type: ApplicationFiled: September 23, 2011Publication date: January 19, 2012Applicant: AU OPTRONICS CORPORATIONInventors: Chia-Chang Tsai, Chih-Kang Wu, Chun-Ta Wu
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Patent number: 8043120Abstract: A multi-slot connector and a manufacture method thereof are provided. The multi-slot connector includes a housing and a conducting structure. The conducting structure has a body and a terminal portion extending from the body. After extending out from the body, the terminal portion bends to form a first ridge. After bending the first ridge, the terminal portion turns to form a winding portion which winds back toward the body and bends to form a second ridge, wherein the first and second ridges protrude toward different directions. The housing has a first slot and a second slot. When the conducting structure is disposed in the housing, the first ridge and the second ridge are respectively corresponding to the first slot and the second slot.Type: GrantFiled: July 31, 2009Date of Patent: October 25, 2011Assignee: AU Optronics CorporationInventors: Chia-Chang Tsai, Chih-Kang Wu, Chun-Ta Wu
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Patent number: 7824050Abstract: A diffusion plate and a backlight module for use in a liquid crystal display panel are provided. The backlight module includes a housing, a reflection plate, a light source, a diffusion plate and films. The diffusion plate has a plate body, a first supporter, and a second supporter. The plate body has a light exit surface. The first supporter and the second supporter are respectively disposed on two sides of the plate body and extend outwardly from the light exit surface. The films are disposed on the plate body and between the first and second supporters. The first and second supporters contact and support the liquid crystal display panel.Type: GrantFiled: July 27, 2006Date of Patent: November 2, 2010Assignee: Au Optronics CorporationInventors: Chia-Chang Tsai, Chih-Kang Wu, Chin-Ting Shih
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Publication number: 20100062651Abstract: A multi-slot connector and a manufacture method thereof are provided. The multi-slot connector includes a housing and a conducting structure. The conducting structure has a body and a terminal portion extending from the body. After extending out from the body, the terminal portion bends to form a first ridge. After bending the first ridge, the terminal portion turns to form a winding portion which winds back toward the body and bends to form a second ridge, wherein the first and second ridges protrude toward different directions. The housing has a first slot and a second slot. When the conducting structure is disposed in the housing, the first ridge and the second ridge are respectively corresponding to the first slot and the second slot.Type: ApplicationFiled: July 31, 2009Publication date: March 11, 2010Applicant: AU OPTRONICS CORPORATIONInventors: Chia-Chang Tsai, Chih-Kang Wu, Chun-Ta Wu
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Patent number: 7645152Abstract: A lamp connection structure, configured to connect a lamp of a backlight module, is provided. The backlight module has a circuit board formed with a through-hole, which is defined by a side wall. The lamp connection structure comprises a clamping portion and an embedding portion. The clamping portion has a first end and a second end, and the first end is adapted to fix and to electrically connect to the lamp. The embedding portion has a first end and a second end. The first end is connected to the second end of the clamping portion while the second end of the embedding portion is inserted through the through-hole and contacting with the side wall.Type: GrantFiled: June 24, 2008Date of Patent: January 12, 2010Assignee: AU Optronics Corp.Inventor: Chia-Chang Tsai
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Publication number: 20090196055Abstract: A lamp connection structure, configured to connect a lamp of a backlight module, is provided. The backlight module has a circuit board formed with a through-hole, which is defined by a side wall. The lamp connection structure comprises a clamping portion and an embedding portion. The clamping portion has a first end and a second end, and the first end is adapted to fix and to electrically connect to the lamp. The embedding portion has a first end and a second end. The first end is connected to the second end of the clamping portion while the second end of the embedding portion is inserted through the through-hole and contacting with the side wall.Type: ApplicationFiled: June 24, 2008Publication date: August 6, 2009Applicant: AU OPTRONICS CORP.Inventor: Chia-Chang Tsai
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Publication number: 20070230210Abstract: A diffusion plate and a backlight module for use in a liquid crystal display panel are provided. The backlight module includes a housing, a reflection plate, a light source, a diffusion plate and films. The diffusion plate has a plate body, a first supporter, and a second supporter. The plate body has a light exit surface. The first supporter and the second supporter are respectively disposed on two sides of the plate body and extend outwardly from the light exit surface. The films are disposed on the plate body and between the first and second supporters. The first and second supporters contact and support the liquid crystal display panel.Type: ApplicationFiled: July 27, 2006Publication date: October 4, 2007Applicant: AU OPTRONICS CORPORATIONInventors: Chia-Chang Tsai, Chih-Kang Wu, Chin-Ting Shih