Patents by Inventor YUNG-CHANG JEN
YUNG-CHANG JEN 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: 20230317530Abstract: A method includes forming an inner chamber in a process chamber of a plasma processing apparatus, the inner chamber having smaller volume than the process chamber. At least one gas is introduced into the inner chamber, and flow of the at least one gas into the inner chamber is measured. The flow of the at least one gas is adjusted to a desired rate, and a wafer is processed by the at least one gas at the desired rate while the inner chamber is not formed.Type: ApplicationFiled: June 2, 2023Publication date: October 5, 2023Inventors: Bo-Ting LIAO, Yung-Chang JEN, Tsung-Yi TSENG, Shao Yong CHEN, Hsi Chung CHEN, Chih-Teng LIAO
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Publication number: 20230228620Abstract: A light sensing module includes a substrate, a light sensing unit, a first light-transmissive component, and a light shielding layer. The light sensing unit is disposed on the substrate to sense an intensity of a working light beam, and has an upper light receiving surface and a lateral surface perpendicular to the upper light receiving surface. The first light-transmissive component covers the light sensing unit, and has a first refractive index between a refractive index of the light sensing unit and a refractive index of air. The light shielding layer surrounds the lateral surface and is covered by the first light-transmissive component.Type: ApplicationFiled: March 21, 2023Publication date: July 20, 2023Inventors: BO-JHIH CHEN, ZI-JUN LIN, KUO-MING CHIU, YUNG-CHANG JEN, MENG-SUNG CHOU, CHANG-HUNG HSIEH
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Patent number: 11705375Abstract: A method includes forming an inner chamber in a process chamber of a plasma processing apparatus, the inner chamber having smaller volume than the process chamber. At least one gas is introduced into the inner chamber, and flow of the at least one gas into the inner chamber is measured. The flow of the at least one gas is adjusted to a desired rate, and a wafer is processed by the at least one gas at the desired rate while the inner chamber is not formed.Type: GrantFiled: August 30, 2021Date of Patent: July 18, 2023Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Bo-Ting Liao, Yung-Chang Jen, Tsung-Yi Tseng, Shao Yong Chen, Hsi Chung Chen, Chih-Teng Liao
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Patent number: 11644360Abstract: A light sensing module and an electronic device using the same are provided. The light sensing module includes a substrate, a light sensing unit, a first light-transmissive component and a blocking wall. The light sensing unit is disposed on the substrate to sense an intensity of a working light beam. The first light-transmissive component covers the light sensing unit, and has a first refractive index that is between a refractive index of the light sensing unit and a refractive index of air. The blocking wall is disposed on the substrate, and surrounds the light sensing unit and the first light-transmissive component.Type: GrantFiled: November 11, 2020Date of Patent: May 9, 2023Assignees: LITE-ON OPTO TECHNOLOGY (CHANGZHOU) CO., LTD., LITE-ON TECHNOLOGY CORPORATIONInventors: Bo-Jhih Chen, Zi-Jun Lin, Kuo-Ming Chiu, Yung-Chang Jen, Meng-Sung Chou, Chang-Hung Hsieh
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Publication number: 20230062731Abstract: A method includes forming an inner chamber in a process chamber of a plasma processing apparatus, the inner chamber having smaller volume than the process chamber. At least one gas is introduced into the inner chamber, and flow of the at least one gas into the inner chamber is measured. The flow of the at least one gas is adjusted to a desired rate, and a wafer is processed by the at least one gas at the desired rate while the inner chamber is not formed.Type: ApplicationFiled: August 30, 2021Publication date: March 2, 2023Inventors: Bo-Ting LIAO, Yung-Chang JEN, Tsung-Yi Tseng, Shao Yong CHEN, Hsi Chung CHEN, Chih-Teng LIAO
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Patent number: 11309466Abstract: A light emitting unit includes a reflective structure, a light transmitting body and a light emitting chip. The reflective structure has a recess formed by inner side surfaces thereof, and the reflective structure includes a side opening and a bottom opening corresponding to the recess. The side opening and the bottom opening are adjacent to each other, and the inner side surfaces are defined as a top surface and a surrounding side surface. The light transmitting body is disposed within the recess and doped with fluorescent powder. The light transmitting body includes a light emitting surface and an electrode exposing surface. The light emitting surface is corresponding to the side opening; and the electrode exposing surface is corresponding to the bottom opening. The light emitting chip is partially disposed within the light transmitting body and has a bottom, a top light emitting and side light emitting surfaces.Type: GrantFiled: November 29, 2019Date of Patent: April 19, 2022Assignees: LITE-ON OPTO TECHNOLOGY (CHANGZHOU) CO., LTD., LITE-ON TECHNOLOGY CORPORATIONInventors: Yu-Yu Chang, Chih-Yuan Chen, Yung-Chang Jen
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Patent number: 11307085Abstract: A light detecting device, a lighting module, and a manufacturing method for the same are provided. The lighting module includes a carrier, a light assembly having a first lighting unit and a second lighting unit, a lens assembly having a first lens and a second lens, and a casing surrounding the lens assembly. The first lighting unit emits a first beam having a first wavelength through the first lens to define a first view angle and the second lighting unit emits a second beam having a second wavelength through the second lens to define a second view angle. The first wavelength is smaller than the second wavelength, and the first view angle is greater than the second view angle.Type: GrantFiled: November 13, 2020Date of Patent: April 19, 2022Assignees: LITE-ON OPTO TECHNOLOGY (CHANGZHOU) CO., LTD., LITE-ON TECHNOLOGY CORPORATIONInventors: Chen-Hsiu Lin, Wen-Hsiang Lin, Yung-Chang Jen, Shih-Chung Huang
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Patent number: 11209146Abstract: A miniaturized structured light projection module is provided. The miniaturized structured light projection module includes a light source assembly and a projecting lens. The light source assembly has a plurality of light source units, each of which is provided with a default projected pattern on its surface. The projecting lens is disposed above the light source units. The default projected patterns of the light source units are disposed on a front focal plane of the projecting lens.Type: GrantFiled: January 18, 2019Date of Patent: December 28, 2021Assignees: LITE-ON OPTO TECHNOLOGY (CHANGZHOU) CO., LTD., LITE-ON TECHNOLOGY CORPORATIONInventors: Yu-Yu Chang, Yung-Chang Jen, Chen-Hsiu Lin
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Publication number: 20210148753Abstract: A light sensing module and an electronic device using the same are provided. The light sensing module includes a substrate, a light sensing unit, a first light-transmissive component and a blocking wall. The light sensing unit is disposed on the substrate to sense an intensity of a working light beam. The first light-transmissive component covers the light sensing unit, and has a first refractive index that is between a refractive index of the light sensing unit and a refractive index of air. The blocking wall is disposed on the substrate, and surrounds the light sensing unit and the first light-transmissive component.Type: ApplicationFiled: November 11, 2020Publication date: May 20, 2021Inventors: BO-JHIH CHEN, ZI-JUN LIN, KUO-MING CHIU, YUNG-CHANG JEN, MENG-SUNG CHOU, CHANG-HUNG HSIEH
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Publication number: 20210148558Abstract: A light detecting device, a lighting module, and a manufacturing method for the same are provided. The lighting module includes a carrier, a light assembly having a first lighting unit and a second lighting unit, a lens assembly having a first lens and a second lens, and a casing surrounding the lens assembly. The first lighting unit emits a first beam having a first wavelength through the first lens to define a first view angle and the second lighting unit emits a second beam having a second wavelength through the second lens to define a second view angle. The first wavelength is smaller than the second wavelength, and the first view angle is greater than the second view angle.Type: ApplicationFiled: November 13, 2020Publication date: May 20, 2021Inventors: CHEN-HSIU LIN, WEN-HSIANG LIN, YUNG-CHANG JEN, SHIH-CHUNG HUANG
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Publication number: 20200185580Abstract: A light emitting unit includes a reflective structure, a light transmitting body and a light emitting chip. The reflective structure has a recess formed by inner side surfaces thereof, and the reflective structure includes a side opening and a bottom opening corresponding to the recess. The side opening and the bottom opening are adjacent to each other, and the inner side surfaces are defined as a top surface and a surrounding side surface. The light transmitting body is disposed within the recess and doped with fluorescent powder. The light transmitting body includes a light emitting surface and an electrode exposing surface. The light emitting surface is corresponding to the side opening; and the electrode exposing surface is corresponding to the bottom opening. The light emitting chip is partially disposed within the light transmitting body and has a bottom, a top light emitting and a surrounding light emitting surface.Type: ApplicationFiled: November 29, 2019Publication date: June 11, 2020Inventors: Yu-Yu Chang, Chih-Yuan Chen, Yung-Chang Jen
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Publication number: 20190264890Abstract: A miniaturized structured light projection module is provided. The miniaturized structured light projection module includes a light source assembly and a projecting lens. The light source assembly has a plurality of light source units, each of which is provided with a default projected pattern on its surface. The projecting lens is disposed above the light source units. The default projected patterns of the light source units are disposed on a front focal plane of the projecting lens.Type: ApplicationFiled: January 18, 2019Publication date: August 29, 2019Inventors: YU-YU CHANG, YUNG-CHANG JEN, CHEN-HSIU LIN
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Patent number: 10128420Abstract: The present disclosure discloses an LED package structure and a chip-scale light emitting unit. The chip-scale light emitting unit includes an LED chip, a phosphor sheet, and at least one light guiding group. The phosphor sheet covers entirely a top surface of the LED chip. The phosphor sheet has a light emitting surface arranged away from the LED chip, and the light emitting surface has a central region and a ring-shaped region surrounding the central region. The light guiding group is disposed on the ring-shaped region and covers at least 60% of an area of the ring-shaped region of the phosphor sheet, and the central region is not covered by the light guiding group. The light guiding group includes a plurality of light guiding micro-structures.Type: GrantFiled: December 29, 2017Date of Patent: November 13, 2018Assignee: LITE-ON TECHNOLOGY CORPORATIONInventors: Yu-Yu Chang, Yu-Kang Lu, Yung-Chang Jen
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Publication number: 20180190885Abstract: The present disclosure discloses an LED package structure and a chip-scale light emitting unit. The chip-scale light emitting unit includes an LED chip, a phosphor sheet, and at least one light guiding group. The phosphor sheet covers entirely a top surface of the LED chip. The phosphor sheet has a light emitting surface arranged away from the LED chip, and the light emitting surface has a central region and a ring-shaped region surrounding the central region. The light guiding group is disposed on the ring-shaped region and covers at least 60% of an area of the ring-shaped region of the phosphor sheet, and the central region is not covered by the light guiding group. The light guiding group includes a plurality of light guiding micro-structures.Type: ApplicationFiled: December 29, 2017Publication date: July 5, 2018Inventors: YU-YU CHANG, YU-KANG LU, YUNG-CHANG JEN