Patents by Inventor Wen-Yang Chang
Wen-Yang 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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Patent number: 8681117Abstract: A flexible slide-touch controlling device is disclosed. The device includes first and second flexible substrates, and a spacer is interposed therebetween to form a gap between the first and second flexible substrates. A first electrode layer covers an inner surface of the first flexible substrate in the gap. A plurality of second electrode layers and a plurality of third electrode layers are respectively disposed on inner and outer surfaces of the second flexible substrate and correspond to each other. Each third electrode layer is electrically connected to a corresponding second electrode layer. A sensing material layer is disposed on the outer surface of the second flexible substrate and covers the plurality of third electrode layers to form a series of sensing segments. A position determination method for the flexible slide-touch controlling device is also disclosed.Type: GrantFiled: June 10, 2010Date of Patent: March 25, 2014Assignee: Industrial Technology Research InstituteInventors: Heng-Ju Lin, Yu-Tang Shen, Wen-Yang Chang
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Patent number: 8661917Abstract: A method for manufacturing a piezoresistive material, a piezoresistive composition and a pressure sensor device are provided. The piezoresistive composition includes a conductive carbon material, a solvent, a dispersive agent, an unsaturated polyester and a crosslinking agent. The conductive carbon material is selected from a group consisting of multi-wall nanotube, single-wall carbon nanotube, carbon nanocapsule, graphene, graphite nanoflake, carbon black, and a combination thereof. The solvent is selected from a group consisting of ethyl acetate, butyl acetate, hexane, propylene glycol mono-methyl ether acetate and a combination thereof. The dispersive agent includes block polymer solution with functional groups providing the affinity. The unsaturated polyester is selected from a group consisting of an ortho-phthalic type unsaturated polyester, an iso-phthalic type unsaturated polyester, and a combination thereof.Type: GrantFiled: October 14, 2011Date of Patent: March 4, 2014Assignee: Industrial Technology Research InstituteInventors: Li-Cheng Jheng, Wen-Yang Chang, Kuo-Chen Shih, Yi-Lun Hsu
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Patent number: 8618431Abstract: A touch sensing unit and a method for manufacturing the same are provided. The touch sensing unit includes a first substrate, a first electrode, a second substrate, a second electrode, a supporting layer, a third electrode and a sensing layer. The first electrode is disposed on the first substrate. The second substrate is disposed opposite to the first substrate. The first electrode is disposed between the first substrate and the second substrate. The second electrode is disposed on the second substrate, and the first electrode contacts the second electrode through a pressing motion. The supporting layer is disposed between the first substrate and the second substrate. The third electrode is disposed on the second substrate. The sensing layer has constant impedance and is disposed on the second substrate between the second electrode and the third electrode to electrically connect the second electrode and the third electrode.Type: GrantFiled: May 19, 2011Date of Patent: December 31, 2013Assignee: Industrial Technology Research InstituteInventors: Heng-Ju Lin, Wen-Yang Chang
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Publication number: 20120222948Abstract: A touch sensing unit and a method for manufacturing the same are provided. The touch sensing unit includes a first substrate, a first electrode, a second substrate, a second electrode, a supporting layer, a third electrode and a sensing layer. The first electrode is disposed on the first substrate. The second substrate is disposed opposite to the first substrate. The first electrode is disposed between the first substrate and the second substrate. The second electrode is disposed on the second substrate, and the first electrode contacts the second electrode through a pressing motion. The supporting layer is disposed between the first substrate and the second substrate. The third electrode is disposed on the second substrate. The sensing layer has constant impedance and is disposed on the second substrate between the second electrode and the third electrode to electrically connect the second electrode and the third electrode.Type: ApplicationFiled: May 19, 2011Publication date: September 6, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Heng-Ju Lin, Wen-Yang Chang
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Publication number: 20120090408Abstract: A method for manufacturing a piezoresistive material, a piezoresistive composition and a pressure sensor device are provided. The piezoresistive composition includes a conductive carbon material, a solvent, a dispersive agent, an unsaturated polyester and a crosslinking agent. The conductive carbon material is selected from a group consisting of multi-wall nanotube, single-wall carbon nanotube, carbon nanocapsule, graphene, graphite nanoflake, carbon black, and a combination thereof. The solvent is selected from a group consisting of ethyl acetate, butyl acetate, hexane, propylene glycol mono-methyl ether acetate and a combination thereof. The dispersive agent includes block polymer solution with functional groups providing the affinity. The unsaturated polyester is selected from a group consisting of an ortho-phthalic type unsaturated polyester, an iso-phthalic type unsaturated polyester, and a combination thereof.Type: ApplicationFiled: October 14, 2011Publication date: April 19, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Li-Cheng Jheng, Wen-Yang Chang, Kuo-Chen Shih, Yi-Lun Hsu
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Publication number: 20110226536Abstract: A flexible slide-touch controlling device is disclosed. The device includes first and second flexible substrates, and a spacer is interposed therebetween to form a gap between the first and second flexible substrates. A first electrode layer covers an inner surface of the first flexible substrate in the gap. A plurality of second electrode layers and a plurality of third electrode layers are respectively disposed on inner and outer surfaces of the second flexible substrate and correspond to each other. Each third electrode layer is electrically connected to a corresponding second electrode layer. A sensing material layer is disposed on the outer surface of the second flexible substrate and covers the plurality of third electrode layers to form a series of sensing segments. A position determination method for the flexible slide-touch controlling device is also disclosed.Type: ApplicationFiled: June 10, 2010Publication date: September 22, 2011Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Heng-Ju Lin, Yu-Tang Shen, Wen-Yang Chang
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Patent number: 7980144Abstract: A pressure device of flexible electronics capable for sensing a large area includes flexible films, electrodes, sensing blocks, and bumps. The flexible films are disposed with intervals and define two spaces. The electrodes and the sensing blocks are disposed on the flexible films and are in a space. The bumps are disposed on the flexible films and are in another space. The air in the spaces maintains a buffer distance of each two adjacent flexible films with the electrodes and the sensing blocks. When the pressure device of flexible electronics is deformed, it is capable of avoiding erroneous signals caused by contact of the sensing block and the electrode or the two sensing blocks disposed on the different flexible films respectively.Type: GrantFiled: March 26, 2009Date of Patent: July 19, 2011Assignee: Industrial Technology Research InstituteInventors: Wen-Yang Chang, Heng-Ju Lin, Yu-Tang Shen
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Patent number: 7942072Abstract: A force sensor includes a substrate, a support layer, a film, a plurality of sensing portions, a plurality of electrodes, a plurality of sensing materials, and a filler. The support layer is disposed on the substrate. The film is supported by the support layer. The sensing portions extend from the film. The electrodes are correspondingly disposed on the sensing portions. The sensing materials are correspondingly disposed on the electrodes. The support layer, the film, the sensing portions, the electrodes, and the sensing materials encapsulated by the filler.Type: GrantFiled: February 25, 2009Date of Patent: May 17, 2011Assignee: Industrial Technology Research InstituteInventors: Wen-Yang Chang, Heng-Ju Lin, Yu-Tang Shen
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Patent number: 7817617Abstract: A multi-participant service creator Application Server embeds routing information within a service identifier provided to enable invitation of users to a multi-participant service such as conference calling or push-to-talk communication. A multi-participant service routing function associated with the Serving Call Session Control Function receiving a request to join the multi-participant service checks the embedded routing information and ensures that the join request is routed to the service creator Application Server.Type: GrantFiled: March 29, 2006Date of Patent: October 19, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Wen-Yang Chang, Nhut Nguyen
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Publication number: 20100175486Abstract: A force sensor includes a substrate, a support layer, a film, a plurality of sensing portions, a plurality of electrodes, a plurality of sensing materials, and a filler. The support layer is disposed on the substrate. The film is supported by the support layer. The sensing portions extend from the film. The electrodes are correspondingly disposed on the sensing portions. The sensing materials are correspondingly disposed on the electrodes. The support layer, the film, the sensing portions, the electrodes, and the sensing materials encapsulated by the filler.Type: ApplicationFiled: February 25, 2009Publication date: July 15, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wen-Yang Chang, Heng-Ju Lin, Yu-Tang Shen
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Publication number: 20100090299Abstract: A pressure device of flexible electronics capable for sensing a large area includes flexible films, electrodes, sensing blocks, and bumps. The flexible films are disposed with intervals and define two spaces. The electrodes and the sensing blocks are disposed on the flexible films and are in a space. The bumps are disposed on the flexible films and are in another space. The air in the spaces maintains a buffer distance of each two adjacent flexible films with the electrodes and the sensing blocks. When the pressure device of flexible electronics is deformed, it is capable of avoiding erroneous signals caused by contact of the sensing block and the electrode or the two sensing blocks disposed on the different flexible films respectively.Type: ApplicationFiled: March 26, 2009Publication date: April 15, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wen-Yang Chang, Heng-Ju Lin, Yu-Tang Shen
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Publication number: 20070263822Abstract: A multi-participant service creator Application Server embeds routing information within a service identifier provided to enable invitation of users to a multi-participant service such as conference calling or push-to-talk communication. A multi- participant service routing function associated with the Serving Call Session Control Function receiving a request to join the multi-participant service checks the embedded routing information and ensures that the join request is routed to the service creator Application Server.Type: ApplicationFiled: March 29, 2006Publication date: November 15, 2007Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Wen-Yang Chang, Nhut Nguyen
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Publication number: 20070222008Abstract: A plastic packaging of MEMS device and a method therefore are provided. The method includes the steps of: provide a carrier having a surface; provide at least one MEMS device having an active surface with a sensitive area and bonding pads thereon and a back surface; proceed a photoresist process to form a sacrificial layer on the sensitive area; bind and electrically connect the MEMS device to the surface of the carrier; form at least one molding compound, to which the upper surface of the sacrificial layer is exposed. Finally, decompose the sacrificial layer by a solvent to expose the MEMS device on the sensitive area, so as to let the sensitive area contact with ambient atmosphere.Type: ApplicationFiled: December 27, 2006Publication date: September 27, 2007Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jung-Tai Chen, Wen-Yang Chang, Yii-Tay Chiou, Chun-Hsun Chu
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Publication number: 20070121812Abstract: A telecommunications switch receives a lawful intercept message identifying a target device and updates a subscriber database according to the message. Upon an origination of a call associated with the target device, the switch enables a lawful intercept detection point associated with the call. When the detection point occurs, the switch transmits a message indicating the occurrence of the detection point. The switch may include a service control point co-located with the switch. The lawful intercept message may be received from, and the message indicating the occurrence of the lawful intercept detection point may be transmitted to, a lawful intercept delivery function. Upon an origination of a call associated with the target device, the switch may also cause a media gateway to transmit call content from the call to the lawful intercept delivery function.Type: ApplicationFiled: November 22, 2005Publication date: May 31, 2007Applicant: SAMSUNG ELECTRONICS Co., LTD.Inventors: Michael Strange, Wen-Yang Chang, Michael McKinley
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Publication number: 20050198022Abstract: A telecommunication device comprises a main processing unit for executing client applications and N call application nodes (CANs) for executing server applications. A first primary server application is executed on a first CAN. The first primary server application uses a first proxy object to communicate with members of a first mapped resource group. Each member of the first mapped resource group provides services in response to requests from client applications. The first primary server application is associated with a similar second primary server application executed on a second CAN separate from the first CAN. The second primary server application uses a second proxy object to communicate with the first mapped resource group.Type: ApplicationFiled: June 9, 2004Publication date: September 8, 2005Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Wen-Yang Chang
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Publication number: 20050182763Abstract: A telecommunication device capable of handling call connections between calling devices and called devices. The telecommunication device comprises: 1) a main processing unit capable of executing a plurality of client applications, wherein each of the client applications is associated with one of the call connections; and 2) a first call application node capable of executing a first primary server application. The first primary server application comprises a first proxy object that is associated with an upgrade adaptor group and wherein the first proxy object provides services to the plurality of client applications in response to requests the plurality of client applications.Type: ApplicationFiled: March 11, 2005Publication date: August 18, 2005Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Wen-Yang Chang
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Publication number: 20050051511Abstract: A method for manufacturing chemical sensors is provided for the process of the wafer level chemical sensor. The method is to form a frame around a certain area on the chemical sensor for locating sensing material, and then to fill the Sol-Gel sensing material into the frame. Besides, the present invention further provides a method for dividing the chemical sensor chips employed in such wafer level chemical sensor. The character of such method is to stick an adhesion object such as blue tape on the backside of the substrate, and then to cut in advance a scribe line around the rim of the chemical sensor before filling the sensing material into the sensor. Finally, the plurality of the chemical sensors will be divided into individual ones after the process of calcining or furnacing.Type: ApplicationFiled: December 29, 2003Publication date: March 10, 2005Inventors: Wen-Wang Ke, Wen-Yang Chang, Yu-Sheng Hsieh, Nai-Hao Kuo, Cheng-Hong Lee
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Publication number: 20040150975Abstract: An improved structure of an image sensor includes a substrate, a frame layer on the substrate to form a chamber together with the substrate, a photosensitive chip arranged on the substrate and within the chamber, a plurality of wires, a transparent layer placed on the frame layer, and a filling medium. The frame layer is formed with at least one venthole communicating with the chamber. The wires electrically connect the chip to the substrate. The filling medium is filled into the venthole of the frame layer to seal the chamber. Accordingly, the air pressure within the chamber generated when the transparent layer is fixed to the frame layer may be released through the venthole, and the transparent layer may be firmly fixed to the frame layer.Type: ApplicationFiled: January 30, 2003Publication date: August 5, 2004Inventors: Jackson Hsieh, Jichen Wu, Bruce Chen, Sam Hiew, Jian-Hsian Lu, Wen-Yang Chang