Patents Assigned to Truwin
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Patent number: 11557837Abstract: The present disclosure provides a manufacturing method of a flat panel liquid crystal antenna, including the following steps: providing a first substrate, wherein the two sides of the first substrate are provided with a first metal film layer and a third metal film layer respectively; simultaneously patterning the metal film layer on the two sides to obtain a patterned first metal film layer and a patterned third metal film layer; providing a second substrate, wherein one side of the second substrate is provided with a second metal film layer; patterning the second metal film layer to obtain a patterned second metal film layer; and oppositely bonding the first substrate and the second substrate to form a liquid crystal cell, and preparing a liquid crystal layer. The present disclosure also provides a flat panel liquid crystal antenna by using the above method.Type: GrantFiled: March 14, 2019Date of Patent: January 17, 2023Assignee: TRUWIN OPTO-ELECTRONICS LIMITEDInventors: Zhisheng Liu, Xiangzhan Xu, Zhiling Wang, Taitian Lyu, Zhuoqian Lu, Lixiong Wang, Jiqiang He
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Patent number: 11495699Abstract: The present disclosure provides a thin-film photovoltaic cell with a high photoelectric conversion rate and a preparation process thereof. The thin-film photovoltaic cell comprises a transparent substrate and photovoltaic units which are disposed on the transparent substrate and arranged toward the display module, and the photovoltaic unit disposed in the display area comprises a transparent front electrode disposed on the transparent substrate, a light absorption layer disposed on the transparent front electrode and a transparent back electrode disposed on the light absorption layer; and the photovoltaic unit disposed in the non-display area comprises a transparent front electrode disposed on the transparent substrate, a light absorption layer disposed on the transparent front electrode and a metal back electrode disposed on the light absorption layer.Type: GrantFiled: February 27, 2020Date of Patent: November 8, 2022Assignee: TRUWIN OPTO-ELECTRONICS LIMITEDInventors: Bin Sui, Weicang Zhang, Xiongcai Xie, Wenjin Zhang, Liang Yang
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Patent number: 11454860Abstract: The present disclosure provides a liquid crystal phase shifter, comprising a first substrate and a second substrate which are oppositely arranged, and a liquid crystal layer positioned between the first substrate and the second substrate, wherein a plurality of spacers are distributed in the liquid crystal layer, the spacers are in contact with the first substrate and the second substrate, and include a first spacer arranged on the first substrate and a second spacer arranged on the second substrate, and the first spacer and the second spacer are abutted. The present disclosure also provides a manufacturing method of the liquid crystal phase shifter.Type: GrantFiled: March 14, 2019Date of Patent: September 27, 2022Assignee: TRUWIN OPTO-ELECTRONICS LIMITEDInventors: Zhisheng Liu, Xiangzhan Xu, Zhiling Wang, Taitian Lyu, Lixiong Wang, Zhuoqian Lu, Jiqiang He
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Patent number: 11398677Abstract: A liquid crystal phase shifter includes a first substrate and a second substrate which are disposed oppositely, and a liquid crystal layer located between the first substrate and the second substrate. A first metal film layer is disposed on a side of the first substrate facing the second substrate. A second metal film layer is disposed on a side of the second substrate facing the first substrate. The first metal film layer and the second metal film layer are both patterned metal film layers. The first substrate and the second substrate are both PCBs. The present disclosure further provides a liquid crystal antenna, including the abovementioned liquid crystal phase shifter. The present disclosure further provides a manufacturing method of the liquid crystal phase shifter.Type: GrantFiled: April 11, 2019Date of Patent: July 26, 2022Assignee: TRUWIN OPTO-ELECTRONICS LIMITEDInventors: Zhisheng Liu, Xiangzhan Xu, Lixiong Wang, Yingqun Huang, Huxin Wang, Duanqing Zan, Jiqiang He
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Patent number: 11309445Abstract: A thin-film photovoltaic cell series structure is disposed on a display surface side of a display module and includes a transparent substrate, as well as a first single-junction cell and a second single-junction cell which are disposed on the transparent substrate and connected in series. The first single-junction cell includes a first front electrode, a first photovoltaic layer, and a first back electrode which are sequentially laminated and disposed on the transparent substrate, the second single-junction cell includes a second front electrode, a second photovoltaic layer, and a second back electrode which are sequentially laminated and disposed on the transparent substrate, and the first front electrode and the second back electrode are electrically connected through a metal auxiliary electrode to realize series connection of the first single-junction cell and the second single-junction cell.Type: GrantFiled: June 3, 2019Date of Patent: April 19, 2022Assignee: TRUWIN OPTO-ELECTRONICS LIMITEDInventors: Bin Sui, Weicang Zhang, Yun Zhao, Yuan Li, Wenjin Zhang, Liang Yang
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Publication number: 20210408304Abstract: The present disclosure provides a thin-film photovoltaic cell with a high photoelectric conversion rate and a preparation process thereof. The thin-film photovoltaic cell comprises a transparent substrate and photovoltaic units which are disposed on the transparent substrate and arranged toward the display module, and the photovoltaic unit disposed in the display area comprises a transparent front electrode disposed on the transparent substrate, a light absorption layer disposed on the transparent front electrode and a transparent back electrode disposed on the light absorption layer; and the photovoltaic unit disposed in the non-display area comprises a transparent front electrode disposed on the transparent substrate, a light absorption layer disposed on the transparent front electrode and a metal back electrode disposed on the light absorption layer.Type: ApplicationFiled: February 27, 2020Publication date: December 30, 2021Applicant: TRUWIN OPTO-ELECTRONICS LIMITEDInventors: Bin SUI, Weicang ZHANG, Xiongcai XIE, Wenjin ZHANG, Liang YANG
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Patent number: 11156859Abstract: The disclosure discloses a liquid crystal antenna, including a first substrate and a second substrate which are oppositely arranged and a liquid crystal layer positioned between the first substrate and the second substrate, wherein a first metal film layer is arranged on one side, facing the second substrate, of the first substrate, a second metal film layer is arranged on one side, facing the first substrate, of the second substrate, the first substrate and the second substrate are rigid substrates, a seed layer is arranged between the first substrate and the first metal film layer, and a seed layer is arranged between the second substrate and the second metal film layer. The disclosure also provides a method for manufacturing a liquid crystal antenna.Type: GrantFiled: March 14, 2019Date of Patent: October 26, 2021Assignee: TRUWIN OPTO-ELECTRONICS LIMITEDInventors: Zhisheng Liu, Xiangzhan Xu, Zhiling Wang, Taitian Lyu, Zhuoqian Lu, Lixiong Wang, Jiqiang He
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Publication number: 20210234268Abstract: A liquid crystal phase shifter includes a first substrate and a second substrate which are disposed oppositely, and a liquid crystal layer located between the first substrate and the second substrate. A first metal film layer is disposed on a side of the first substrate facing the second substrate. A second metal film layer is disposed on a side of the second substrate facing the first substrate. The first metal film layer and the second metal film layer are both patterned metal film layers. The first substrate and the second substrate are both PCBs. The present disclosure further provides a liquid crystal antenna, including the abovementioned liquid crystal phase shifter. The present disclosure further provides a manufacturing method of the liquid crystal phase shifter.Type: ApplicationFiled: April 11, 2019Publication date: July 29, 2021Applicant: Truwin Opto-Electronics LimitedInventors: Zhisheng LIU, Xiangzhan XU, Lixiong WANG, Yingqun HUANG, Huxin WANG, Duanqing ZAN, Jiqiang HE
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Publication number: 20210208430Abstract: The disclosure discloses a liquid crystal antenna, including a first substrate and a second substrate which are oppositely arranged and a liquid crystal layer positioned between the first substrate and the second substrate, wherein a first metal film layer is arranged on one side, facing the second substrate, of the first substrate, a second metal film layer is arranged on one side, facing the first substrate, of the second substrate, the first substrate and the second substrate are rigid substrates, a seed layer is arranged between the first substrate and the first metal film layer, and a seed layer is arranged between the second substrate and the second metal film layer. The disclosure also provides a method for manufacturing a liquid crystal antenna.Type: ApplicationFiled: March 14, 2019Publication date: July 8, 2021Applicant: TRUWIN OPTO-ELECTRONICS LIMITEDInventors: Zhisheng LIU, Xiangzhan XU, Zhiling WANG, Taitian LYU, Zhuoqian LU, Lixiong WANG, Jiqiang HE
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Publication number: 20210208472Abstract: The present disclosure provides a liquid crystal phase shifter, comprising a first substrate and a second substrate which are oppositely arranged, and a liquid crystal layer positioned between the first substrate and the second substrate, wherein a plurality of spacers are distributed in the liquid crystal layer, the spacers are in contact with the first substrate and the second substrate, and include a first spacer arranged on the first substrate and a second spacer arranged on the second substrate, and the first spacer and the second spacer are abutted. The present disclosure also provides a manufacturing method of the liquid crystal phase shifter.Type: ApplicationFiled: March 14, 2019Publication date: July 8, 2021Applicant: TRUWIN OPTO-ELECTRONICS LIMITEDInventors: Zhisheng LIU, Xiangzhan XU, Zhiling WANG, Taitian LYU, Lixiong WANG, Zhuoqian LU, Jiqiang HE
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Publication number: 20210210852Abstract: The present disclosure provides a manufacturing method of a flat panel liquid crystal antenna, including the following steps: providing a first substrate, wherein the two sides of the first substrate are provided with a first metal film layer and a third metal film layer respectively; simultaneously patterning the metal film layer on the two sides to obtain a patterned first metal film layer and a patterned third metal film layer; providing a second substrate, wherein one side of the second substrate is provided with a second metal film layer; patterning the second metal film layer to obtain a patterned second metal film layer; and oppositely bonding the first substrate and the second substrate to form a liquid crystal cell, and preparing a liquid crystal layer. The present disclosure also provides a flat panel liquid crystal antenna by using the above method.Type: ApplicationFiled: March 14, 2019Publication date: July 8, 2021Applicant: TRUWIN OPTO-ELECTRONICS LIMITEDInventors: Zhisheng LIU, Xiangzhan XU, Zhiling WANG, Taitian LYU, Zhuoqian LU, Lixiong WANG, Jiqiang HE
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Publication number: 20210074870Abstract: A thin-film photovoltaic cell series structure is disposed on a display surface side of a display module and includes a transparent substrate, as well as a first single-junction cell and a second single-junction cell which are disposed on the transparent substrate and connected in series. The first single-junction cell includes a first front electrode, a first photovoltaic layer, and a first back electrode which are sequentially laminated and disposed on the transparent substrate, the second single-junction cell includes a second front electrode, a second photovoltaic layer, and a second back electrode which are sequentially laminated and disposed on the transparent substrate, and the first front electrode and the second back electrode are electrically connected through a metal auxiliary electrode to realize series connection of the first single-junction cell and the second single-junction cell.Type: ApplicationFiled: June 3, 2019Publication date: March 11, 2021Applicant: TRUWIN OPTO-ELECTRONICS LIMITEDInventors: Bin SUI, Weicang ZHANG, Yun ZHAO, Yuan LI, Wenjin ZHANG, Liang YANG
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Publication number: 20200381578Abstract: The present disclosure provides a thin film solar cell and a manufacturing method thereof. The thin film solar cell includes a transparent substrate and a photovoltaic unit disposed on the transparent substrate and facing a display module. The photovoltaic unit includes a front electrode disposed on the transparent substrate, a light absorption layer disposed on the front electrode, and a back electrode disposed on the light absorption layer. The thin film solar cell further includes a metal auxiliary electrode and an insulating layer. The insulating layer covers the back electrode and the light absorption layer, and extends to be in contact connection with the front electrode. The metal auxiliary electrode is in contact connection with the front electrode, and extends onto the insulating layer. A taper angle is formed between a periphery of the insulating layer and the front electrode, and the taper angle ranges from 35° to 75°.Type: ApplicationFiled: June 3, 2019Publication date: December 3, 2020Applicant: TRUWIN OPTO-ELECTRONICS LIMITEDInventors: Yuan LI, Yun ZHAO, Weicang ZHANG, Bin SUI, Wenjin ZHANG, Liang YANG
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Publication number: 20180195946Abstract: A dust sensor apparatus having flow rate control function for securing reliability of measurement of the dust sensor by constantly maintaining flow rate of the air flowing into the dust sensor for measuring concentration of dust in the internal of a vehicle, may include a blow motor configured for controlling flow rate of the air to be packaged in the dust sensor for measuring concentration of dust in the internal of a vehicle such that flow rate of the air flowing into the dust sensor is maintained constantly.Type: ApplicationFiled: December 14, 2017Publication date: July 12, 2018Applicants: Hyundai Motor Company, Kia Motors Corporation, HANON SYSTEMS, DOOWON CLIMATE CONTROL CO., LTD., ONEGENE ELECTRONICS, TRUWINInventors: Dong Ho KWON, Gee Young SHIN, Myung Hoe KIM, Dong Won YEON, Moo Yong KIM, Chae Geun LIM, Sang Ho OH, Joong Heum JUNG, Hyun Hoo JANG, Young Oh KIM, Do Yeop KANG, Jin Young LEE, Jung Keun PARK, Du Yeol KIM
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Patent number: 9970856Abstract: A vehicular dust sensor may include a case having an inner space, a light source module disposed in the inner space of the case, and irradiating an air passage with light, the air passage being provided in the light source module for introduction and pass of air and dust, a condensing lens to collect light, emitted from the light source module and scattered by dust in air in the air passage, a light receiving module receiving the scattered light collected by the condensing lens to output an electric signal corresponding to a dust concentration, and an inner housing disposed in the inner space of the case to form the air passage.Type: GrantFiled: October 12, 2016Date of Patent: May 15, 2018Assignees: Hyundai Motor Company, TRUWIN, Hanon SystemsInventors: Dong Ho Kwon, Gee Young Shin, Kwang Woon Cho, Jun Ho Choi, Sang Ho Oh, Chae Geun Lim, Ji Min Lee, Du Yeol Kim, Young Hu Lee
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Publication number: 20170276592Abstract: A vehicular dust sensor may include a case having an inner space, a light source module disposed in the inner space of the case, and irradiating an air passage with light, the air passage being provided in the light source module for introduction and pass of air and dust, a condensing lens to collect light, emitted from the light source module and scattered by dust in air in the air passage, a light receiving module receiving the scattered light collected by the condensing lens to output an electric signal corresponding to a dust concentration, and an inner housing disposed in the inner space of the case to form the air passage.Type: ApplicationFiled: October 12, 2016Publication date: September 28, 2017Applicants: Hyundai Motor Company, Truwin, Hanon SystemsInventors: Dong Ho KWON, Gee Young SHIN, Kwang Woon CHO, Jun Ho CHOI, Sang Ho OH, Chae Geun LIM, Ji Min LEE, Du Yeol KIM, Young Hu LEE
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Patent number: 9738218Abstract: An electronic brake lamp switch may include an application-specific integrated circuit (ASIC) configured to generate a signal for turning on a brake lamp, an first output signal, and a second output signal, respectively, when a brake pedal is pressed and configured to package electrical elements for preventing failure when the failure such as outside overvoltage, abnormal surge or short circuit able to be generated on an output terminal occurs, and a printed circuit board (PCB) configured to receive power for operating the application-specific integrated circuit and to which the ASIC is mounted.Type: GrantFiled: November 24, 2015Date of Patent: August 22, 2017Assignees: Hyundai Motor Company, Kia Motors Corporation, Truwin Co., Ltd.Inventors: Han-Gil Park, Jae-Sung Heo, Chang-Hyun Lee, Ean-Soo Cho, Jeong-Seop Byeon
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Publication number: 20160332564Abstract: An electronic brake lamp switch may include an application-specific integrated circuit (ASIC) configured to generate a signal for turning on a brake lamp, an first output signal, and a second output signal, respectively, when a brake pedal is pressed and configured to package electrical elements for preventing failure when the failure such as outside overvoltage, abnormal surge or short circuit able to be generated on an output terminal occurs, and a printed circuit board (PCB) configured to receive power for operating the application-specific integrated circuit and to which the ASIC is mounted.Type: ApplicationFiled: November 24, 2015Publication date: November 17, 2016Applicants: Hyundai Motor Company, Kia Motors Corporation, Truwin Co., Ltd.Inventors: Han-Gil PARK, Jae-Sung HEO, Chang-Hyun LEE, Ean-Soo CHO, Jeong-Seop Byeon
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Patent number: 8324888Abstract: The present invention provides an inductive angle sensor with improved common mode noise rejection and a signal processing method of the same, which can improve electromagnetic compatibility (EMC) characteristics and obtain an accurate output value by eliminating common mode noise. The signal processing method includes adding signals obtained from a pair of receiver coils by an adder, subtracting the signal obtained from one of the pair of receiver coils from the signal obtained from the other receiver coil by a subtracter, multiplying the value obtained from the adder by the value obtained from the subtracter by a first multiplier, multiplying the value obtained from the subtracter by itself by a second multiplier, and dividing the value obtained from the first multiplier by the value obtained from the second multiplier by a divider.Type: GrantFiled: August 28, 2009Date of Patent: December 4, 2012Assignee: Truwin Co., Ltd.Inventors: Gi-Yeop Kim, Kyu-Won Jung, Cho-Soo Lee, Sung-Tae Kim, Yong-Jin Kang
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Publication number: 20110260714Abstract: The present invention provides an inductive angle sensor with improved common mode noise rejection and a signal processing method of the same, which can improve electromagnetic compatibility (EMC) characteristics and obtain an accurate output value by eliminating common mode noise. The signal processing method includes adding signals obtained from a pair of receiver coils by an adder, subtracting the signal obtained from one of the pair of receiver coils from the signal obtained from the other receiver coil by a subtracter, multiplying the value obtained from the adder by the value obtained from the subtracter by a first multiplier, multiplying the value obtained from the subtracter by itself by a second multiplier, and dividing the value obtained from the first multiplier by the value obtained from the second multiplier by a divider.Type: ApplicationFiled: August 28, 2009Publication date: October 27, 2011Applicant: Truwin Co., LTD.Inventors: Gi-Yeop Kim, Kyo-Won Jung, Cho-Soo Lee, Sung-Tae Kim, Yong-Jin Kang