Patents by Inventor Tsung Xian Lee
Tsung Xian Lee 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: 11600749Abstract: Disclosed is a light-emitting device comprising a light-emitting stack having a length, a width, a first semiconductor layer, an active layer on the first semiconductor layer, and a second semiconductor layer on the active layer, wherein the first semiconductor layer, the active layer, and the second semiconductor layer are stacked in a stacking direction. A first electrode is coupled to the first semiconductor layer and extended in a direction parallel to the stacking direction and a second electrode is coupled to the second semiconductor layer and extended in a direction parallel to the stacking direction. A dielectric layer is disposed between the first electrode and the second electrode.Type: GrantFiled: June 8, 2018Date of Patent: March 7, 2023Assignee: EPISTAR CORPORATIONInventors: Shih-I Chen, Wei-Yu Chen, Yi-Ming Chen, Ching-Pei Lin, Tsung-Xian Lee
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Patent number: 11482651Abstract: The disclosure discloses an optoelectronic element comprising: an optoelectronic unit comprising a first metal layer, a second metal layer, and an outermost lateral surface; an insulating layer having a first portion overlapping the optoelectronic unit and extending beyond the lateral surface, and a second portion separated from the first portion in a cross-sectional view; and a first conductive layer formed on the insulating layer.Type: GrantFiled: June 12, 2020Date of Patent: October 25, 2022Assignee: EPISTAR CORPORATIONInventors: Cheng-Nan Han, Tsung-Xian Lee, Min-Hsun Hsieh, Hung-Hsuan Chen, Hsin-Mao Liu, Hsing-Chao Chen, Ching-San Tao, Chih-Peng Ni, Tzer-Perng Chen, Jen-Chau Wu
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Patent number: 11282988Abstract: A light-emitting device includes a composite structure having a phosphor crystal sheet and phosphor crystal powders on the phosphor crystal sheet. A light-emitting unit of the device is disposed under a side of the phosphor crystal sheet that is opposite to a side of the phosphor crystal powders. A problem of blue-enriched white light may be tackled.Type: GrantFiled: July 27, 2020Date of Patent: March 22, 2022Assignees: TAIWAN APPLIED CRYSTAL CO., LTD., NATIONAL SUN YAT-SEN UNIVERSITYInventors: Tsung-Xian Lee, Chu-An Lee, Wei-Chang Lin, Ming-Chi Chou
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Patent number: 11165000Abstract: A light-emitting apparatus includes a first light-emitting device, a second light-emitting device, separated from the first light-emitting device by a first distance, a diffusion layer, covering the first light-emitting device and the second light-emitting device, a prism layer, disposed on the diffusion layer and an LCD module, disposed on the prism layer. The first light-emitting device includes a light-field with a radius on the LCD module and the radius is two or more times larger than the first distance.Type: GrantFiled: June 8, 2020Date of Patent: November 2, 2021Assignee: EPISTAR CORPORATIONInventors: Tsung-Xian Lee, Jian-Fong Jhou, Yun-Jie Huang, Bo-Song Chen
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Patent number: 11164488Abstract: An information display board with improved display performance by light-extending light sources is revealed. The information display board includes a display board and a plurality of light-extending light sources each of which consists of a light emitting diode (LED) and a reflective panel. The LED has a light emitting side and a backside while the reflective panel is disposed on the light emitting side of the LED for reflecting a part of light emitted from the light emitting side to the display board on the backside to form an expanded area. Thus illuminance and illuminated area of information shown on the display board are increased. By continuous lighting generated, messages/information shown on the information display board such as traffic sign can be read more clearly and comfortably.Type: GrantFiled: March 4, 2020Date of Patent: November 2, 2021Assignee: NATIONAL CENTRAL UNIVERSITYInventors: Yi-Chun Chen, Ted Liang-Tai Lee, Ching-Cherng Sun, Tsung-Xian Lee
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Publication number: 20210226101Abstract: An embodiment of the invention discloses an optoelectronic system comprising a plurality of optoelectronic elements, wherein each of the plurality of optoelectronic elements comprises a semiconductor epitaxial layer, a first electrode, a second electrode, a top surface, a bottom surface, and a plurality of lateral surfaces arranged between the top surface and the bottom surface; a layer covering the plurality of lateral surfaces and comprising a side surface; and a reflecting structure having a shape of pyramid, formed between two adjacent optoelectronic elements of the plurality of optoelectronic elements and electrically separated from the plurality of optoelectronic elements, wherein the reflecting structure is configured to reflect light from the two adjacent optoelectronic elements upwards to leave the optoelectronic system.Type: ApplicationFiled: April 1, 2021Publication date: July 22, 2021Inventors: Min-Hsun HSIEH, Cheng-Nan HAN, Steve Meng-Yuan HONG, Hsin-Mao LIU, Tsung-Xian LEE
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Publication number: 20210036191Abstract: A light-emitting device includes a composite structure having a phosphor crystal sheet and phosphor crystal powders on the phosphor crystal sheet. A light-emitting unit of the device is disposed under a side of the phosphor crystal sheet that is opposite to a side of the phosphor crystal powders. A problem of blue-enriched white light may be tackled.Type: ApplicationFiled: July 27, 2020Publication date: February 4, 2021Inventors: Tsung-Xian LEE, Chu-An LEE, Wei-Chang LIN, Ming-Chi CHOU
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Publication number: 20200313051Abstract: The disclosure discloses an optoelectronic element comprising: an optoelectronic unit comprising a first metal layer, a second metal layer, and an outermost lateral surface; an insulating layer having a first portion overlapping the optoelectronic unit and extending beyond the lateral surface, and a second portion separated from the first portion in a cross-sectional view; and a first conductive layer formed on the insulating layer.Type: ApplicationFiled: June 12, 2020Publication date: October 1, 2020Inventors: Cheng-Nan HAN, Tsung-Xian LEE, Min-Hsun HSIEH, Hung-Hsuan CHEN, Hsin-Mao LIU, Hsing-Chao CHEN, Ching-San TAO, Chih-Peng NI, Tzer- Perng CHEN, Jen-Chau WU
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Publication number: 20200303601Abstract: A light-emitting apparatus includes a first light-emitting device, a second light-emitting device, separated from the first light-emitting device by a first distance, a diffusion layer, covering the first light-emitting device and the second light-emitting device, a prism layer, disposed on the diffusion layer and an LCD module, disposed on the prism layer. The first light-emitting device includes a light-field with a radius on the LCD module and the radius is two or more times larger than the first distance.Type: ApplicationFiled: June 8, 2020Publication date: September 24, 2020Inventors: Tsung-Xian LEE, Jian-Fong JHOU, Yun-Jie HUANG, Bo-Song CHEN
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Publication number: 20200202754Abstract: An information display board with improved display performance by light-extending light sources is revealed. The information display board includes a display board and a plurality of light-extending light sources each of which consists of a light emitting diode (LED) and a reflective panel. The LED has a light emitting side and a backside while the reflective panel is disposed on the light emitting side of the LED for reflecting a part of light emitted from the light emitting side to the display board on the backside to form an expanded area. Thus illuminance and illuminated area of information shown on the display board are increased. By continuous lighting generated, messages/information shown on the information display board such as traffic sign can be read more clearly and comfortably.Type: ApplicationFiled: March 4, 2020Publication date: June 25, 2020Inventors: Yi-Chun CHEN, Ted Liang-tai LEE, Ching-Cherng SUN, Tsung-Xian LEE
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Patent number: 10686106Abstract: The disclosure discloses an optoelectronic element comprising: an optoelectronic unit comprising a first metal layer, a second metal layer, and an outermost lateral surface; an insulating layer having a first portion overlapping the optoelectronic unit and extending beyond the lateral surface, and a second portion separated from the first portion in a cross-sectional view; and a first conductive layer formed on the insulating layer.Type: GrantFiled: May 7, 2018Date of Patent: June 16, 2020Assignee: EPISTAR CORPORATIONInventors: Cheng-Nan Han, Tsung-Xian Lee, Min-Hsun Hsieh, Hung-Hsuan Chen, Hsin-Mao Liu, Hsing-Chao Chen, Ching-San Tao, Chih-Peng Ni, Tzer-Perng Chen, Jen-Chau Wu
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Publication number: 20200098959Abstract: A light-emitting diode lighting structure for improving back-illumination efficiency is revealed. The light-emitting diode lighting structure is disposed on a substrate and composed of a light emitting diode (LED) and a reflective panel. The LED provided with a packaging lens has a light emitting side and a backside. The reflective panel is arranged at the light emitting side of the LED and located adjacent to the packaging lens. A part of light emitted from the light emitting side is reflected to the substrate by the reflective panel. Thereby the illumination on the substrate at the backside can be increased. Moreover, continuous lighting is generated so that messages shown on signboards can be read more clearly and comfortably when a plurality of LEDs is disposed on and applied to the signboards.Type: ApplicationFiled: November 16, 2018Publication date: March 26, 2020Inventors: Yi-Chun CHEN, Ted Liang-tai LEE, Ching-Cherng SUN, Tsung-Xian LEE
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Patent number: 10529898Abstract: An optoelectronic element includes an optoelectronic unit, a first metal layer, a second metal layer, a conductive layer and a transparent structure. The optoelectronic unit has a central line in a top view, a top surface, and a bottom surface. The second metal layer is formed on the top surface, and has an extension portion crossing over the central line and extending to the first metal layer. The conductive layer covers the first metal layer and the extension portion. The transparent structure covers the bottom surface without covering the top surface.Type: GrantFiled: August 16, 2017Date of Patent: January 7, 2020Assignee: EPISTAR CORPORATIONInventors: Cheng-Nan Han, Tsung-Xian Lee, Min-Hsun Hsieh, Hung-Hsuan Chen, Hsin-Mao Liu, Hsing-Chao Chen, Ching San Tao, Chih-Peng Ni, Tzer-Perng Chen, Jen-Chau Wu, Masafumi Sano, Chih-Ming Wang
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Patent number: 10145527Abstract: A laser car lamp includes a light guide element, a phosphor element, a first laser diode, a second laser diode, a lens, and a reflector. The light guide element has first and second surfaces opposite to each other. The phosphor element and the lens are disposed at two opposite ends of the light guide element. The reflector is configured to reflect the first laser beam generated by the first laser diode and reflect the second laser beam generated by the second laser diode to the first surface. The first laser beam is scattered by the phosphor element to form a first scattered light, the second laser beam is excited and scattered by the phosphor element to form a second scattered light. The mixed light beam including the first scattered light beam and the second scattered light beam is emitted from the first surface toward the lens.Type: GrantFiled: January 1, 2018Date of Patent: December 4, 2018Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Tsung-Xian Lee, Ching-Chia Chou
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Patent number: 10139067Abstract: A laser car lamp includes a plurality of laser diodes, at least one light guide element, a phosphor element, and a lens. The light guide element has a laser light incident surface and a laser light exit surface. The phosphor element is located adjacent to the laser light exit surface of the light guide element, and the lens is located adjacent to the laser light incident surface of the light guide element. In addition, the laser diodes are arranged around the laser light incident surface of the light guide element.Type: GrantFiled: March 28, 2017Date of Patent: November 27, 2018Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Tsung-Xian Lee, Ching-Chia Chou, Kuei-Chun Liu
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Publication number: 20180294383Abstract: Disclosed is a light-emitting device comprising a light-emitting stack having a length, a width, a first semiconductor layer, an active layer on the first semiconductor layer, and a second semiconductor layer on the active layer, wherein the first semiconductor layer, the active layer, and the second semiconductor layer are stacked in a stacking direction. A first electrode is coupled to the first semiconductor layer and extended in a direction parallel to the stacking direction and a second electrode is coupled to the second semiconductor layer and extended in a direction parallel to the stacking direction. A dielectric layer is disposed between the first electrode and the second electrode.Type: ApplicationFiled: June 8, 2018Publication date: October 11, 2018Inventors: Shih-I CHEN, Wei-Yu CHEN, Yi-Ming CHEN, Ching-Pei LIN, Tsung-Xian LEE
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Publication number: 20180254391Abstract: The disclosure discloses an optoelectronic element comprising: an optoelectronic unit comprising a first metal layer, a second metal layer, and an outermost lateral surface; an insulating layer having a first portion overlapping the optoelectronic unit and extending beyond the lateral surface, and a second portion separated from the first portion in a cross-sectional view; and a first conductive layer formed on the insulating layer.Type: ApplicationFiled: May 7, 2018Publication date: September 6, 2018Inventors: Cheng-Nan HAN, Tsung-Xian LEE, Min-Hsun HSIEH, Hung-Hsuan CHEN, Hsin-Mao LIU, Hsing-Chao CHEN, Ching-San TAO, Chih-Peng NI, Tzer- Perng CHEN, Jen-Chau WU
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Publication number: 20180198039Abstract: The present application discloses a light-emitting apparatus having a light-emitting device and a wavelength conversion layer. The light-emitting device has a first top surface and a first side surface, and the wavelength conversion layer has a second top surface and a second side surface and covers the first top surface. A ratio of a distance between the first top surface to the second top surface and a distance between the first side surface and the second side surface is between 1.1˜1.3.Type: ApplicationFiled: March 6, 2018Publication date: July 12, 2018Inventors: Tsung-Xian LEE, Jian-Fong JHOU, Yun-Jie HUANG, Bo-Song CHEN
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Patent number: 10014441Abstract: Disclosed is a light-emitting device comprising a light-emitting stack having a length, a width, a first conductivity type semiconductor layer, an active layer on the first conductivity type semiconductor layer, and a second conductivity type semiconductor layer on the active layer, wherein the first conductivity type semiconductor layer, the active layer, and the second conductivity type semiconductor layer are stacked in a stacking direction. A first electrode is coupled to the first conductivity type semiconductor layer and extended in a direction parallel to the stacking direction and a second electrode is coupled to the second conductivity type semiconductor layer and extended in a direction parallel to the stacking direction. A dielectric layer is disposed between the first electrode and the second electrode.Type: GrantFiled: December 22, 2014Date of Patent: July 3, 2018Assignee: EPISTAR CORPORATIONInventors: Shih-I Chen, Wei-Yu Chen, Yi-Ming Chen, Ching-Pei Lin, Tsung-Xian Lee
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Publication number: 20180142853Abstract: A laser car lamp includes a light guide element, a phosphor element, a first laser diode, a second laser diode, a lens, and a reflector. The light guide element has first and second surfaces opposite to each other. The phosphor element and the lens are disposed at two opposite ends of the light guide element. The reflector is configured to reflect the first laser beam generated by the first laser diode and reflect the second laser beam generated by the second laser diode to the first surface. The first laser beam is scattered by the phosphor element to form a first scattered light, the second laser beam is excited and scattered by the phosphor element to form a second scattered light. The mixed light beam including the first scattered light beam and the second scattered light beam is emitted from the first surface toward the lens.Type: ApplicationFiled: January 1, 2018Publication date: May 24, 2018Inventors: Tsung-Xian LEE, Ching-Chia CHOU