Patents by Inventor Way-Jze Wen
Way-Jze Wen 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).
-
Patent number: 8288181Abstract: A light emitting diode and its fabricating method are disclosed. A light emitting diode epitaxy structure is formed on a substrate, and then the light emitting diode epitaxy structure is etched to form a recess. The recess is then filled with a transparent dielectric material. An adhesive layer is utilized to adhere a conductive substrate and the light emitting diode epitaxy structure. Next, the substrate is removed.Type: GrantFiled: July 9, 2010Date of Patent: October 16, 2012Assignee: Epistar CorporationInventors: Tzong-Liang Tsai, Way-Jze Wen, Chang-Han Chiang, Chih-Sung Chang
-
Publication number: 20100279443Abstract: A light emitting diode and its fabricating method are disclosed. A light emitting diode epitaxy structure is formed on a substrate, and then the light emitting diode epitaxy structure is etched to form a recess. The recess is then filled with a transparent dielectric material. An adhesive layer is utilized to adhere a conductive substrate and the light emitting diode epitaxy structure. Next, the substrate is removed.Type: ApplicationFiled: July 9, 2010Publication date: November 4, 2010Applicant: EPISTAR CORPORATIONInventors: Tzong-Liang TSAI, Way-Jze WEN, Chang-Han CHIANG, Chih-Sung CHANG
-
Patent number: 7768022Abstract: A light emitting diode and its fabricating method are disclosed. A light emitting diode epitaxy structure is formed on a substrate, and then the light emitting diode epitaxy structure is etched to form a recess. The recess is then filled with a transparent dielectric material. An adhesive layer is utilized to adhere a conductive substrate and the light emitting diode epitaxy structure. Next, the substrate is removed.Type: GrantFiled: April 19, 2005Date of Patent: August 3, 2010Assignee: Epistar CorporationInventors: Tzong-Liang Tsai, Way-Jze Wen, Chang-Han Chiang, Chih-Sung Chang
-
Patent number: 7652302Abstract: A light emitting diode and the method of the same are provided. A light emitting diode epitaxy structure is formed on a substrate, and then the light emitting diode epitaxy structure is etched to form a recess. The recess is then filled with a transparent dielectric material. An ohmic contact layer and a reflective layer are formed sequentially, and then are etched to expose the transparent dielectric material. Finally, forming an adhesive conductive complex layer to fix the ohmic contact layer and the reflective layer on the light emitting diode epitaxy structure.Type: GrantFiled: April 19, 2005Date of Patent: January 26, 2010Assignee: Epistar CorporationInventors: Tzong-Liang Tsai, Way-Jze Wen, Chang-Han Chiang, Chih-Sung Chang
-
Patent number: 7498185Abstract: A light emitting diode and the method of the same are provided. The light emitting diode includes a light emitting structure and a metal reflective layer. The light emitting structure includes two semiconductor layers and an active layer. Oxide elements are added into the metal reflective layer to improve the adhesion between the reflective layer and the light emitting structure. Additionally, a transparent contact layer can be formed between the light emitting structure and the reflective layer in order to enhance the luminance efficiency.Type: GrantFiled: February 14, 2008Date of Patent: March 3, 2009Assignee: Epistar CorporationInventors: Tzong-Liang Tsai, Chih-Li Chiang, Chih-Sung Chang, Way-Jze Wen
-
Publication number: 20080188021Abstract: A light emitting diode and the method of the same are provided. The light emitting diode includes a light emitting structure and a metal reflective layer. The light emitting structure includes two semiconductor layers and an active layer. Oxide elements are added into the metal reflective layer to improve the adhesion between the reflective layer and the light emitting structure. Additionally, a transparent contact layer can be formed between the light emitting structure and the reflective layer in order to enhance the luminance efficiency.Type: ApplicationFiled: February 14, 2008Publication date: August 7, 2008Applicant: EPISTAR CORPORATIONInventors: Tzong-Liang Tsai, Chih-Li Chiang, Chih-Sung Chang, Way-Jze Wen
-
Publication number: 20080121907Abstract: An LED includes a substrate, a first type doping semiconductor layer, a first electrode, a light emitting layer, a second type doping semiconductor layer, a second electrode, a first dielectric layer and a first conductive plug. The first type doping semiconductor layer is formed on the substrate, and the light emitting layer, the second type doping semiconductor layer and the second electrode are formed on a portion of the first type doping semiconductor layer in sequence. The first dielectric layer is formed on another portion of the first type doping semiconductor layer where is not covered by the light emitting layer. The first electrode formed on the first dielectric layer is electrically connected with the first type doping semiconductor layer through the first conductive plug formed in the first dielectric layer. Furthermore, the second electrode is electrically connected with the second type doping semiconductor layer.Type: ApplicationFiled: August 8, 2006Publication date: May 29, 2008Inventors: Way-Jze Wen, Yi-Fong Lin, Huan-Che Tseng, Shyi-Ming Pan, Fen-Ren Chien, Kuo-Ruei Huang, Wen-Joe Song
-
Patent number: 7355209Abstract: A light emitting diode and the method of the same are provided. The light emitting diode includes a light emitting structure and a metal reflective layer. The light emitting structure includes two semiconductor layers and an active layer. Oxide elements are added into the metal reflective layer to improve the adhesion between the reflective layer and the light emitting structure. Additionally, a transparent contact layer can be formed between the light emitting structure and the reflective layer in order to enhance the luminance efficiency.Type: GrantFiled: December 22, 2005Date of Patent: April 8, 2008Assignee: Epistar CorporationInventors: Tzong-Liang Tsai, Chih-Li Chiang, Chih-Sung Chang, Way-Jze Wen
-
Publication number: 20070272930Abstract: A light-emitting diode package (LED package) includes a LED and a carrier. The LED includes a substrate, a semiconductor layer, a first electrode and a second electrode. The semiconductor layer is located on a surface of the substrate and has a rough surface. The semiconductor layer includes a first-type doped semiconductor layer, a second-type doped semiconductor layer and a light-emitting layer disposed between the two doped semiconductor layers. The first electrode and the second electrode are disposed on and electrically coupled the first-type doped semiconductor layer and the second-type doped semiconductor layer, respectively. The carrier has a rough carrying surface and includes a first contact pad and a second contact pad disposed on the rough carrying surface. The first electrode and the second electrode of the LED face the carrier and are electrically coupled to the first contact pad and a second contact pad, respectively.Type: ApplicationFiled: May 26, 2006Publication date: November 29, 2007Inventors: Huan-Che Tseng, Way-Jze Wen, Shyi-Ming Pan
-
Publication number: 20070200119Abstract: A light emitting diode (LED) chip mainly includes a substrate, a first type doped semiconductor layer, light-emitting layers, second type doped semiconductor layers, a first electrode and second electrodes. The first type doped semiconductor layer is disposed on the substrate and includes protrusions which is upward extended; the light-emitting layers are disposed on the corresponding protrusions respectively; the second type doped semiconductor layers are disposed on the corresponding light-emitting layers respectively; the first electrode is disposed on the first type doped semiconductor layer except the protrusions and electrically connected to the first type doped semiconductor layer; the second electrodes are disposed on the corresponding second type doped semiconductor layers respectively; and the first electrode is electrically insulated from the second electrodes.Type: ApplicationFiled: February 26, 2006Publication date: August 30, 2007Inventors: Yun-Li Li, Way-Jze Wen, Fen-Ren Chien
-
Publication number: 20070176182Abstract: A structure for integrating LED circuit onto a heat-dissipation substrate is disclosed. At least an electronic component and a LED chip are integrated on a heat-dissipation substrate. The electronic component can be a passive component, a drive chip, an electrostatic discharge protection device, or a sensing component. Therefore, both wire-bonding area of the LED chip and the series resistance of wires are reduced while the heat dissipation efficiency is enhanced.Type: ApplicationFiled: January 27, 2006Publication date: August 2, 2007Inventors: Way-Jze Wen, Yi-Fong Lin, Shyi-Ming Pan, Chih-Wei Chiang, Yin-Cheng Chu, Huan-Che Tseng, Fen-Ren Chien
-
Publication number: 20070170596Abstract: A flip-chip light emitting diode with high light-emitting efficiency is disclosed. The LED includes a transparent conductive layer, an oxide layer, a reflective metal layer, a conductive layer, and a protective diffusion layer sequentially disposed over a p-type semiconductor layer. Thereby, light emitting from a light-emitting layer toward the p-type semiconductor layer is reflected and penetrating a transparent substrate and emitting outwards. Thus the problem of light shielded from the flip-chip type LED is solved and the light-emitting efficiency is improved. Furthermore, the present invention disposes the LED chip in a face-down orientation on a conductive substrate by flip-chip technology so as to enhance heat-dissipation efficiency of the LED.Type: ApplicationFiled: January 26, 2006Publication date: July 26, 2007Inventors: Way-Jze Wen, Yi-Fong Lin, Shyi-Ming Pan, Fen Chien
-
Publication number: 20070141749Abstract: A die attachment method for LED chips and the structure thereof are disclosed. While attaching a LED chip to a substrate, surface of two bonding material is ionized by ultrasonic waves so as to make the attachment of a LED chip to a substrate is under low temperature operating condition and having better heat dissipation structure.Type: ApplicationFiled: December 20, 2005Publication date: June 21, 2007Inventors: Yi-Fong Lin, Shyi-Ming Pan, Way-Jze Wen, Fen-Ren Chen
-
Publication number: 20060186417Abstract: A light emitting diode and the method of the same are provided. The light emitting diode includes a light emitting structure and a metal reflective layer. The light emitting structure includes two semiconductor layers and an active layer. Oxide elements are added into the metal reflective layer to improve the adhesion between the reflective layer and the light emitting structure. Additionally, a transparent contact layer can be formed between the light emitting structure and the reflective layer in order to enhance the luminance efficiency.Type: ApplicationFiled: December 22, 2005Publication date: August 24, 2006Inventors: Tzong-Liang Tsai, Chih-Li Chiang, Chih-Sung Chang, Way-Jze Wen
-
Publication number: 20060163592Abstract: A light emitting diode and its fabricating method are disclosed. A light emitting diode epitaxy structure is formed on a substrate, and then the light emitting diode epitaxy structure is etched to form a recess. The recess is then filled with a transparent dielectric material. An adhesive layer is utilized to adhere a conductive substrate and the light emitting diode epitaxy structure. Next, the substrate is removed.Type: ApplicationFiled: April 19, 2005Publication date: July 27, 2006Inventors: Tzong-Liang Tsai, Way-Jze Wen, Chang-Han Chiang, Chih-Sung Chang
-
Publication number: 20060163599Abstract: A light emitting diode and the method of the same are provided. A light emitting diode epitaxy structure is formed on a substrate, and then the light emitting diode epitaxy structure is etched to form a recess. The recess is then filled with a transparent dielectric material. An ohmic contact layer and a reflective layer are formed sequentially, and then are etched to expose the transparent dielectric material. Finally, forming an adhesive conductive complex layer to fix the ohmic contact layer and the reflective layer on the light emitting diode epitaxy structure.Type: ApplicationFiled: April 19, 2005Publication date: July 27, 2006Inventors: Tzong-Liang Tsai, Way-Jze Wen, Chang-Han Chiang, Chih-Sung Chang