Electrodes (epo) Patents (Class 257/E33.062)
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Patent number: 8592856Abstract: A high power LED lamp has a GaN chip placed over an AlGaInP chip. A reflector is placed between the two chips. Each of the chips has trenches diverting light for output. The chip pair can be arranged to produce white light having a spectral distribution in the red to blue region that is close to that of daylight. Also, the chip pair can be used to provide an RGB lamp or a red-amber-green traffic lamp. The active regions of both chips can be less than 50 microns away from a heat sink.Type: GrantFiled: September 14, 2012Date of Patent: November 26, 2013Assignee: Epistar CorporationInventor: Hassan P. A. Salam
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Patent number: 8592857Abstract: An exemplary encapsulation structure for encapsulating an LED chip includes a first encapsulation, a second encapsulation and a transparent resin layer with phosphorous compounds doped therein. The first encapsulation defines a receiving room for receiving the LED chip therein. The second encapsulation defines a receiving space for receiving the first encapsulation therein. The second encapsulation is separated from the first encapsulation to define a clearance between the first encapsulation and the second encapsulation. The transparent resin layer is filled in the clearance. The transparent resin layer has a uniform thickness.Type: GrantFiled: June 30, 2011Date of Patent: November 26, 2013Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Shiun-Wei Chan, Chih-Hsun Ke
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Publication number: 20130307012Abstract: A tension release layer structure is applied to an LED which includes a P-type electrode, a permanent substrate, a binding layer, a tension release layer, a mirror layer, a P-type semiconductor layer, a light-emitting layer, an N-type semiconductor layer and an N-type electrode that are stacked in sequence. The tension release layer is made of a complex material including at least two material elements with boundaries that are blended with each other. As the complex material in the tension release layer does not have apparent interface separation, stress between interface effect and materials can be eliminated to increase light-emitting efficiency and production yield of the LED.Type: ApplicationFiled: May 15, 2012Publication date: November 21, 2013Inventors: Li-Ping Chou, Wei-Yu Yen, Fu-Bang Chen, Chih-Sung Chang
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Patent number: 8587020Abstract: A high power LED lamp has a GaN chip placed over an AlGaInP chip. A reflector is placed between the two chips. Each of the chips has trenches diverting light for output. The chip pair can be arranged to produce white light having a spectral distribution in the red to blue region that is close to that of daylight. Also, the chip pair can be used to provide an RGB lamp or a red-amber-green traffic lamp. The active regions of both chips can be less than 50 microns away from a heat sink.Type: GrantFiled: December 20, 2011Date of Patent: November 19, 2013Assignee: Epistar CorporationInventor: Salam Hassan
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Patent number: 8587001Abstract: An LED light module free of jumper wires has a substrate and multiple LED chips. The substrate has a positive side circuit, a negative side circuit, multiple first chip connection portions and multiple second connection portions. The first and second chip connection portions are respectively connected to the positive and negative side circuits, and are juxtaposedly and alternately arranged on the substrate so that a width between each first chip connection portion and a corresponding second chip connection portion is smaller than a width of each LED chip. Each LED chip can be directly mounted on corresponding first and second chip connection portions to electrically connect to the positive and negative side circuits. Accordingly, jumper wires for connecting the LED chips and the positive and negative side circuits can be removed to avoid broken jumper wires occurring when the LED light module is shipped or assembled.Type: GrantFiled: February 13, 2012Date of Patent: November 19, 2013Assignee: Unistar Opto CorporationInventors: Chin-Lung Lin, Yen-Chang Tu, Pai-Ti Lin, Che-Chang Hu
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Patent number: 8587017Abstract: A light emitting device and a method of fabricating a light emitting device are provided. The light emitting device includes a carrier substrate, at least one epitaxy structure, a high resistant ring wall, a first electrode, and a second electrode. The epitaxy structure is disposed on the carrier substrate and includes a first semiconductor layer, an active layer, and a second semiconductor layer stacked in sequence. The first semiconductor layer is relatively away from the carrier substrate and the second semiconductor layer is relatively close to the carrier substrate. The high resistant ring wall surrounds the epitaxy structure and a width of the high resistant ring wall is greater than 5 ?m. The first electrode is disposed between the carrier substrate and the epitaxy structure. The second electrode is disposed at a side of the epitaxy structure away from the carrier substrate.Type: GrantFiled: March 24, 2011Date of Patent: November 19, 2013Assignee: Industrial Technology Research InstituteInventors: Wei-Hung Kuo, Yi-Keng Fu, Suh-Fang Lin, Rong Xuan
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Patent number: 8581267Abstract: A light source and method for making the same are disclosed. The light source includes a conducting substrate, and a light emitting structure that is divided into segments. The light emitting structure includes a first layer of semiconductor material of a first conductivity type deposited on the substrate, an active layer overlying the first layer, and a second layer of semiconductor material of an opposite conductivity type from the first conductivity type overlying the active layer. A barrier divides the light emitting structure into first and second segments that are electrically isolated from one another. A serial connection electrode connects the first layer in the first segment to the second layer in the second segment. A power contact is electrically connected to the second layer in the first segment, and a second power contact electrically connected to the first layer in the second segment.Type: GrantFiled: November 9, 2011Date of Patent: November 12, 2013Assignee: Toshiba Techno Center Inc.Inventors: Steven D. Lester, Chih-Wei Chuang
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Patent number: 8581413Abstract: A method for easily manufacturing a semiconductor device in which variation in thickness or disconnection of a source electrode or a drain electrode is prevented is proposed. A semiconductor device includes a semiconductor layer formed over an insulating substrate; a first insulating layer formed over the semiconductor layer; a gate electrode formed over the first insulating layer; a second insulating layer formed over the gate electrode; an opening which reaches the semiconductor layer and is formed at least in the first insulating layer and the second insulating layer; and a step portion formed at a side surface of the second insulating layer in the opening.Type: GrantFiled: June 24, 2011Date of Patent: November 12, 2013Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Shinya Sasagawa
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Publication number: 20130292718Abstract: A light-emitting diode (LED) structure and a method for manufacturing the same. The LED structure comprises an insulating substrate, a plurality of LED chips and a plurality of interconnection layers. Each LED chip comprises a first conductivity type semiconductor layer, an active layer and a second conductivity type semiconductor layer stacked in sequence on a surface of the insulating substrate. Each LED chip includes a mesa structure, an exposed portion of the first conductivity type semiconductor layer adjacent to the mesa structure, and a first isolation trench. The first isolation trench is disposed in the mesa structure. The interconnection layers respectively connect neighboring two of the LED chips.Type: ApplicationFiled: August 13, 2012Publication date: November 7, 2013Applicant: CHI MEI LIGHTING TECHNOLOGY CORP.Inventors: Chang Hsin Chu, Hsueh Lin Lee, Chih Kuei Hsu, Yuan Tze Chen
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Patent number: 8575643Abstract: A light-emitting device includes a first compound semiconductor layer, an active layer, and a second compound semiconductor layer; a second electrode formed on the second compound semiconductor layer; an insulating layer covering the second electrode; a first opening provided to pass through the insulating layer, the second electrode, the second compound semiconductor layer, and the active layer; a second opening provided to pass through the insulating layer; a first electrode formed on an exposed portion of the first compound semiconductor layer at the bottom of the first opening; a first electrode extension extending from the first electrode to the insulating layer through the first opening and a first pad portion including a portion of the first electrode extension on the insulating layer; and a second pad portion connected to an exposed portion of the second electrode at the bottom of the second opening.Type: GrantFiled: October 23, 2007Date of Patent: November 5, 2013Assignee: Sony CorporationInventors: Yoshiaki Watanabe, Tomonori Hino, Nobukata Okano, Hisayoshi Kuramochi, Tatsuo Ohashi
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Patent number: 8575612Abstract: The present invention provides a pixel structure including a substrate, a patterned electrode disposed on the substrate, a first insulating layer disposed on the patterned electrode, a common electrode disposed on the first insulating layer, a second insulating layer disposed on the common electrode, and a drain disposed on the second insulating layer. The first insulating layer has a first through hole, and the second insulating layer has a second through hole. The drain includes a first portion electrically connected to the patterned electrode via the first through hole and the second through hole, and a second portion extending onto the common electrode. The common electrode is coupled with the patterned electrode to form a first storage capacitor and is coupled with the second portion to form a second storage capacitor.Type: GrantFiled: May 2, 2012Date of Patent: November 5, 2013Assignee: AU Optronics Corp.Inventors: Chien-Chih Lee, Pei-Yi Shen, Ching-Yang Cheng, Shu-Ming Huang
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Publication number: 20130285075Abstract: A light-emitting device includes a support substrate; a light-emitting stacked layer; transparent-conductive bonding layer; and a semiconductor contact layer. The light-emitting stacked layer includes a first semiconductor layer; an active layer; and a second semiconductor layer, wherein a polarity of the first semiconductor layer is different from that of the semiconductor layer. A first pad is formed on an exposed portion of the first semiconductor layer and a second pad is formed on the semiconductor contact layer. A polarity of the semiconductor contact layer is different from that of the second semiconductor layer.Type: ApplicationFiled: April 25, 2012Publication date: October 31, 2013Applicant: Epistar CorporationInventor: Wei-Yu Chen
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Publication number: 20130285087Abstract: A light emitting device and manufacturing method thereof are disclosed. The light emitting device includes a substrate, a LED die, a first transparent layer, an optical wavelength conversion layer and a second transparent layer. The substrate has a die glue part. The LED die is disposed on the die glue part and has a base which is made of a transparent material. The first transparent layer is disposed on the side surface of the LED die. The optical wavelength conversion layer is evenly formed on the first transparent layer and the LED die. The second transparent layer is formed on the optical wavelength conversion layer.Type: ApplicationFiled: June 22, 2012Publication date: October 31, 2013Inventors: Horng-Jou WANG, Shao-Yu Chen, Chia-Hua Liu
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Patent number: 8569785Abstract: The present invention is a semiconductor light source 100 for illuminating physical spaces including a lead frame with multiple facets 101. Each facet can have one or more semiconductor light emitting devices 108, such as LEDs, located on it. The light source is disclosed in threaded 100, surface mounted 400, and bar light 700 configurations.Type: GrantFiled: April 4, 2007Date of Patent: October 29, 2013Assignee: CAO Group, Inc.Inventor: Densen Cao
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Patent number: 8569781Abstract: An LED package comprises a substrate, a reflector, a light-absorbing layer, an encapsulation layer and an LED chip. The light-absorbing layer is located around the reflector and is able to absorb any light which penetrates through the reflector. Therefore, any vignetting or halation of light from the LED package is prevented. Moreover, the LED package can be constructed on a very small scale with no reduction in its color rendering properties.Type: GrantFiled: November 3, 2011Date of Patent: October 29, 2013Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Pi-Chiang Hu, Shih-Yuan Hsu, Kai-Lun Wang
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Patent number: 8569083Abstract: This application discloses a light-emitting device with narrow dominant wavelength distribution and a method of making the same. The light-emitting device with narrow dominant wavelength distribution at least includes a substrate, a plurality of light-emitting stacked layers on the substrate, and a plurality of wavelength transforming layers on the light-emitting stacked layers, wherein the light-emitting stacked layer emits a first light with a first dominant wavelength variation; the wavelength transforming layer absorbs the first light and converts the first light into the second light with a second dominant wavelength variation; and the first dominant wavelength variation is larger than the second dominant wavelength variation.Type: GrantFiled: February 24, 2010Date of Patent: October 29, 2013Assignee: Epistar CorporationInventors: Chih-Chiang Lu, Shu-Ting Hsu, Yen-Wen Chen, Chien-Yuan Wang, Ru-Shi Liu, Min-Hsun Hsieh
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Patent number: 8569789Abstract: An LED package includes a substrate, a transparent base, an LED chip and a reflective layer. The substrate has an upper surface. The transparent base is arranged on the upper surface of the substrate. The transparent base includes a first surface away from the substrate and a second surface opposite to the first surface. The LED chip is arranged on the first surface of the transparent base. The reflective layer is arranged between the substrate and the second surface of the transparent base.Type: GrantFiled: November 3, 2011Date of Patent: October 29, 2013Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Chao-Hsiung Chang, Hou-Te Lin
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Patent number: 8569784Abstract: A light emitting device according to an embodiment includes a second electrode layer comprising at least one projection part; at least one current blocking layer on the projection part of the second electrode layer; a second conductive type semiconductor layer on the second electrode layer and the current blocking layer; an active layer on the second conductive type semiconductor layer; a first conductive type semiconductor layer on the active layer; and a first electrode layer on the first conductive type semiconductor layer, at least a portion of the first electrode layer corresponding with the current blocking layer in a vertical direction.Type: GrantFiled: September 14, 2012Date of Patent: October 29, 2013Assignee: LG Innotek Co., Ltd.Inventors: Sung Min Hwang, Hyun Kyong Cho, Gyeong Geun Park
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Publication number: 20130280832Abstract: A fabrication method of a light-emitting device comprises providing a growth substrate; forming a protective layer on a first surface of the growth substrate; and forming a first semiconductor layer on a second surface of the growth substrate opposite to the first surface, wherein the coefficient of thermal expansion of the growth substrate is smaller than that of the protective layer and the first semiconductor layer.Type: ApplicationFiled: April 20, 2012Publication date: October 24, 2013Applicant: EPISTAR CORPORATIONInventors: Sheng-Horng YEN, Yung-Hsiang Lin, Ying-Yong Su, Han-Min Wu
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Patent number: 8563993Abstract: A capacitor unit in a display device includes: a capacitor element having a first capacitor electrode connected to a power line and provided in a GM electrode layer and a second capacitor electrode connected to a line and provided in an SD electrode layer; a backup capacitor element having a first backup capacitor electrode provided in the GM electrode layer and a second backup capacitor electrode connected to the power line and provided in the SD electrode layer; a disconnect-able portion at which a connection between the second capacitor electrode and the line can be disconnected; and a connectable portion at which the first backup capacitor electrode and the line can be connected, and the disconnect-able portion and the connectable portion are arranged at a position in which the disconnect-able portion and the connectable portion overlap in a stacking direction.Type: GrantFiled: May 16, 2012Date of Patent: October 22, 2013Assignee: Panasonic CorporationInventors: Hiroshi Shirouzu, Kenichi Tajika
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Patent number: 8563989Abstract: A manufacturing method of a light emitting device is provided. A first electrode is formed on a substrate. The first electrode includes a patterned conductive layer, and the patterned conductive layer includes an alloy containing a first metal and a second metal. An annealing process is performed on the first electrode, so as to form a passivation layer at least on a side surface of the first electrode. The passivation layer includes a compound of the second metal. A light emitting layer is formed on the first electrode. A second electrode is formed on the light emitting layer.Type: GrantFiled: February 23, 2012Date of Patent: October 22, 2013Assignee: Au Optronics CorporationInventors: Chao-Shun Yang, Chen-Ming Hu
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Patent number: 8557621Abstract: A method for manufacturing a thin film transistor array panel, including: sequentially forming a first silicon layer, a second silicon layer, a lower metal layer, and an upper metal layer on a gate insulating layer and a gate line; forming a first film pattern on the upper metal layer; forming a first lower metal pattern and a first upper metal pattern that includes a protrusion, by etching the upper metal layer and the lower metal layer; forming first and second silicon patterns by etching the first and second silicon layers; forming a second film pattern by ashing the first film pattern; forming a second upper metal pattern by etching the first upper metal pattern; forming a data line and a thin film transistor by etching the first lower metal pattern and the first and second silicon patterns; and forming a passivation layer and a pixel electrode on the resultant.Type: GrantFiled: June 10, 2011Date of Patent: October 15, 2013Assignee: Samsung Display Co., Ltd.Inventors: Jong-Hyun Choung, Yang Ho Bae, Jean Ho Song, O Sung Seo, Sun-Young Hong, Hwa Yeul Oh, Bong-Kyun Kim, Nam Seok Suh, Dong-Ju Yang, Wang Woo Lee
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Publication number: 20130264595Abstract: Pixels of a display device include a first substrate, an organic insulation layer disposed on the first substrate and having an upper surface formed in an uneven structure, an inorganic insulation layer disposed on the organic insulation layer and formed in the uneven structure, a first electrode disposed on the inorganic insulation layer and formed in the uneven structure, and a device to provide a data voltage to the first electrode, in which the first electrode includes a reflective electrode to reflect incident light.Type: ApplicationFiled: September 7, 2012Publication date: October 10, 2013Applicant: Samsung Display Co., Ltd.Inventors: JUNGMOO HONG, Hyundae Lee
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Publication number: 20130264571Abstract: A display apparatus includes a first substrate including pixels, a second substrate facing the first substrate, and a liquid crystal layer interposed between the first substrate and the second substrate. Each of the pixels includes a thin film transistor disposed on a first insulating substrate, a first protective layer that covers the thin film transistor and includes a SiOC layer, a first electrode disposed on the first protective layer, a second protective layer that covers the first electrode, and a second electrode disposed on the second protective layer.Type: ApplicationFiled: August 31, 2012Publication date: October 10, 2013Inventors: Chang Ok KIM, Hyeongsuk YOO, Jieum NAM, Kiseong SEO, Jae Sul AN, Taeyoung AHN, Jungyun JO
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Patent number: 8551794Abstract: A light emitting diode package includes a base having a first surface, an electrode portion attached to the base, a pair of inner electrodes disposed on the first surface, a pair of outer electrodes, a pair of conductive pillars, a light emitting diode die, and a cap layer. Each outer electrode includes an end surface section and a side surface section. The end surface sections are disposed, corresponding to the inner electrodes, on the second surface. Each side surface section extends onto the side surface of the electrode portion. The conductive pillar penetrates between the inner electrode and the outer electrode. The light emitting diode die is on the first surface, electrically connecting the inner electrode. The cap layer covers the light emitting diode die.Type: GrantFiled: January 8, 2013Date of Patent: October 8, 2013Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Shen-Bo Lin, Chao-Hsiung Chang, Wen-Liang Tseng
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Publication number: 20130256706Abstract: A pixel array and a display panel are provided. The pixel array includes a plurality of pixel units. Each of the pixel units includes a first scan line, a second scan line, a data line, a first thin-film transistor, a second thin-film transistor, a first pixel electrode and a second pixel electrode. The first thin-film transistor is electrically connected to the first scan line and the data line. The first pixel electrode is electrically connected to the first thin-film transistor. The second thin-film transistor is electrically connected to the second scan line and the data line. The second pixel electrode is electrically connected to the second thin-film transistor. The orthogonal projection pattern of the first thin-film transistor on XY plane and the orthogonal projection pattern of the second thin-film transistor on XY plane are substantially the same.Type: ApplicationFiled: September 14, 2012Publication date: October 3, 2013Applicant: AU OPTRONICS CORPORATIONInventors: Szu-Chieh Chen, Yu-Hsin Ting, Chen-Ming Chen, I-Fang Chen, Yi-Xuan Hung, Da-Wei Fan
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Publication number: 20130256704Abstract: The invention provides a LED, a backlight module, and a LCD device. The LED includes an inner cavity. The bottom of the inner cavity is provided with a chip. Four side walls are arranged around the bottom of the inner cavity. Both ends of the chip are respectively connected with electrodes. Two opposite side walls of the bottom of the inner cavity are provided with at least one convex step surface, and the electrodes at the two ends of the chip are extended to the step surface from the bottom of the inner cavity; the other two side walls adjacent to the step surface are provided with at least one inclined surface which makes an obtuse angle with the bottom of the inner cavity. By selecting the inclination angle of different inclined surfaces, the invention can freely control the scattering range of the emitted light, has strong adaptability, and is suitable for being used as a backlight source of the LCD device.Type: ApplicationFiled: March 31, 2012Publication date: October 3, 2013Inventors: Yuchun Hsiao, Guofu Tang
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Patent number: 8546832Abstract: A thin-film light emitting diode includes an insulating substrate, a reflective metal electrode on the insulating substrate forming a current spreading layer, and an epitaxial structure on the electrode.Type: GrantFiled: June 25, 2012Date of Patent: October 1, 2013Assignee: Toshiba Techno Center Inc.Inventor: Chao-Kun Lin
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Patent number: 8546834Abstract: An LED package improved in efficiency and brightness. In the package, a body has a mounting part thereon. A plurality of light emitting diode chips are mounted on the mounting part. The mounting part has a cross-section upwardly convexed with a non-planar top portion so that at least two adjacent ones of the light emitting diode chips have opposing side surfaces facing a different direction from each other.Type: GrantFiled: April 12, 2007Date of Patent: October 1, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Masayoshi Koike, Bum Joon Kim
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Patent number: 8546840Abstract: The present invention provides a semiconductor light emitting element having; a semiconductor layer where an n-type semiconductor layer, a light emitting layer and a p-type semiconductor layer are laminated; an n-side electrode connected to the n-type semiconductor layer; and a p-side electrode connected to the p-type semiconductor layer; when the semiconductor light emitting element is viewed from above, the n-side electrode has a n-side pad electrode and n-side extension, the n-side extension comprises an n-side first extension extending from the n-side pad electrode toward the p-side pad electrode and an n-side second extension extending from the n-side first extension and formed T shape with the n-side first extension, the p-side electrode has a p-side pad electrode and a p-side extension formed so as to surround the n-side electrode, the p-side side extension comprises an p-side first extension extending from the p-side pad electrode parallel to the n-side second extension.Type: GrantFiled: January 27, 2012Date of Patent: October 1, 2013Assignee: Nichia CorporationInventors: Yoshiki Inoue, Keiji Emura
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Publication number: 20130249820Abstract: Discussed is a display device. The display device includes a thin film transistor, a first protective layer, a second protective layer, a pixel electrode, a connection line, a third protective layer, and a common electrode.Type: ApplicationFiled: September 10, 2012Publication date: September 26, 2013Inventors: YoonHwan Woo, Heesun Shin, Gyoung-A Kim
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Patent number: 8536575Abstract: A pixel structure of a display panel includes a substrate, a thin film transistor (TFT), a first transparent connecting pad, a passivation layer and a transparent pixel electrode. The TFT disposed on the substrate includes a gate electrode, a gate insulating layer, a semiconductor layer, a source electrode and a drain electrode. The gate insulating layer is disposed on the gate electrode, the semiconductor layer is disposed on the gate insulating layer, and the source electrode and the drain electrode are disposed on the semiconductor layer. The first transparent connecting pad disposed on the drain electrode partially overlaps and is electrically connected to the drain electrode. The passivation layer disposed on the first transparent connecting pad includes at least a contact hole. Furthermore, the transparent pixel electrode disposed on the passivation layer is electrically connected to the first transparent connecting pad through the contact hole of the passivation layer.Type: GrantFiled: January 3, 2012Date of Patent: September 17, 2013Assignee: Chunghwa Picture Tubes, Ltd.Inventor: Meng-Chi Liou
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Patent number: 8536601Abstract: A thin-film LED includes an insulating substrate, an electrode on the insulating substrate, and an epitaxial structure on the electrode.Type: GrantFiled: July 13, 2010Date of Patent: September 17, 2013Assignee: Toshiba Techno Center, Inc.Inventor: Chao-Kun Lin
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Publication number: 20130234143Abstract: A liquid crystal display array substrate and a method for manufacturing the same are discussed. The liquid crystal display array substrate includes a gate line arranged on a substrate in one direction, a data line which crosses the gate line and defines a plurality of pixel areas, a thin film transistor formed at a crossing of the gate line and the data line, a pixel electrode connected to the thin film transistor, and a common electrode which is positioned opposite the pixel electrode and forms an electric field. The common electrode includes a shield line overlapping the data line, and the shield line includes at least two cutting portions having a width less than other portion of the shield line.Type: ApplicationFiled: July 11, 2012Publication date: September 12, 2013Inventors: Jeongwoo HWANG, Yeonsu Jeong
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Publication number: 20130236998Abstract: A method for manufacturing an array substrate of a transflective LCD includes: (1) providing a substrate; (2) forming a transparent electrode layer on the substrate and forming a first metal layer on the transparent electrode layer; (3) applying a first photo-masking operation to form a gate terminal and a pixel electrode; (4) forming an insulation layer on the gate terminal and the pixel electrode; (5) applying a second photo-masking operation to form a gate insulation layer on the insulation layer; (6) forming a semiconductor layer on the gate insulation layer and forming a second metal layer on the semiconductor layer and the pixel electrode; and (7) applying a third photo-masking operation to form a channel layer on the semiconductor layer and also forming a drain terminal, a source terminal, and a reflector section on the second metal layer, so as to form a thin-film transistor.Type: ApplicationFiled: March 11, 2012Publication date: September 12, 2013Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.Inventor: Pei Jia
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Publication number: 20130234117Abstract: The organic light emitting display apparatus includes a substrate; a gate electrode formed on the substrate; a source electrode and a drain electrode formed on the gate electrode to be insulated from the gate electrode; an active layer formed on the source electrode and the drain electrode and containing an organic semiconductor material, at least one region of the active layer overlapping with the gate electrode; a pixel defining layer formed on the active layer and including an aperture; an intermediate layer disposed to correspond to the aperture and including an organic emission layer; and an opposite electrode formed on the intermediate layer. One of the source electrode and the drain electrode is formed to be long to act as a pixel electrode and includes a first conductive layer and a second conductive layer on the first conductive layer, the second conductive layer formed to contact the intermediate layer.Type: ApplicationFiled: October 1, 2012Publication date: September 12, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventor: Mu-Gyeom Kim
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Patent number: 8530882Abstract: A light emitting device may include a light emitting structure including a first conductive semiconductor layer, an active layer on the first conductive semiconductor layer, and a second conductive semiconductor layer on the active layer. A first electrode including a plurality of openings may be provided on the light emitting structure. A filling factor, which is an area ratio of the first electrode relative to an area of a top surface of the light emitting structure, may be 20% or less.Type: GrantFiled: September 29, 2010Date of Patent: September 10, 2013Assignee: LG Innotek Co., Ltd.Inventors: Jeung Mo Kang, Sun Kyung Kim
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Publication number: 20130229400Abstract: A thin film transistor display panel capable of minimizing a bezel and a manufacturing method thereof are provided. The thin film transistor display panel includes: a substrate; a plurality of gate lines and data lines that cross each other on the substrate; a thin film transistor connected to the gate line and the data line; a pixel electrode connected to the thin film transistor; and a plurality of gate voltage supply lines arranged in a parallel direction with the data lines and connected to the plurality of gate lines, respectively, in which one pixel area is defined by two adjacent gate lines and two adjacent data lines, two pixel electrodes are formed in one pixel area, and the gate voltage supply lines pass between the two pixel electrodes formed in the same pixel area.Type: ApplicationFiled: June 19, 2012Publication date: September 5, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Duk-Sung KIM, Hyuk-Jin KIM, Young Jae TAK
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Patent number: 8525209Abstract: A semiconductor light emitting device including a second electrode layer; a light emitting unit including a plurality of compound semiconductor layers under one portion of the second electrode layer; a first insulating layer under the other portion of the second electrode; an electrostatic protection unit including a plurality of compound semiconductor layer under the first insulating layer; a first electrode layer electrically connecting the light emitting unit to the electrostatic protection unit; and a wiring layer electrically connecting the electrostatic protection unit to the second electrode layer.Type: GrantFiled: January 31, 2012Date of Patent: September 3, 2013Assignee: LG Innotek Co., Ltd.Inventor: Hwan Hee Jeong
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Patent number: 8525216Abstract: A circuit structure includes a carrier substrate, which includes a first through-via and a second through-via. Each of the first through-via and the second through-via extends from a first surface of the carrier substrate to a second surface of the carrier substrate opposite the first surface. The circuit structure further includes a light-emitting diode (LED) chip bonded onto the first surface of the carrier substrate. The LED chip includes a first electrode and a second electrode connected to the first through-via and the second through-via, respectively.Type: GrantFiled: October 10, 2011Date of Patent: September 3, 2013Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Ding-Yuan Chen, Wen-Chih Chiou, Chen-Hua Yu
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Patent number: 8525196Abstract: A nitride-based semiconductor LED includes a substrate; an n-type nitride semiconductor layer formed on the substrate; an active layer and a p-type nitride semiconductor layer that are sequentially formed on a predetermined region of the n-type nitride semiconductor layer; a transparent electrode formed on the p-type nitride semiconductor layer; a p-electrode pad formed on the transparent electrode, the p-electrode pad being spaced from the outer edge line of the p-type nitride semiconductor layer by 50 to 200 ?m; and an n-electrode pad formed on the n-type nitride semiconductor layer.Type: GrantFiled: April 20, 2011Date of Patent: September 3, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Hyuk Min Lee, Hyun Kyung Kim, Dong Joon Kim, Hyoun Soo Shin
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Patent number: 8519424Abstract: Mosaic devices including an apparatus includes at least one electroluminescence (EL) device and a system substrate. The at least one EL device can be configured to be coupled mechanically and electrically to the system substrate. The system substrate can be configured to receive the at least one EL device at a non-discrete location or orientation. The system substrate can be a smart system substrate configured to automatically identify a device type. The EL device can be an area-emitting device such as an organic light emitting diode (OLED) device.Type: GrantFiled: August 18, 2009Date of Patent: August 27, 2013Assignee: Plextronics, Inc.Inventors: Troy D. Hammond, Lisa Pattison, Venkataramanan Seshadri
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Publication number: 20130214316Abstract: An SMT LED device includes an LED and a circuit board supporting the LED. A pair of first solder pads are formed on the circuit board and spaced from each other. The LED includes two solder slugs extending downwardly from a bottom the LED. A positioning hole is formed at each first solder pad corresponding a position of a corresponding solder slug. A second solder pad is received in the positioning hole. Each solder slug is received in one corresponding positioning hole and electrically connected to corresponding first and second solder pads by a reflow soldering process. The present disclosure also provides a method for manufacturing the SMT LED device.Type: ApplicationFiled: August 12, 2012Publication date: August 22, 2013Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: CHIH-CHEN LAI
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Publication number: 20130214294Abstract: A light-emitting device comprises a support base having a planar surface, a semiconductor stacked structure disposed on the planar surface, the semiconductor stacked structure comprising a first semiconductor layer, an active layer, a second semiconductor layer, a current block region formed in one of the first semiconductor layer and the second semiconductor layer and physically contacts the planar surface and an electrode disposed on the semiconductor stacked structure.Type: ApplicationFiled: February 17, 2012Publication date: August 22, 2013Applicant: EPISTAR CORPORATIONInventor: Tsung-Hsien YANG
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Patent number: 8513698Abstract: An LED package includes a substrate, an LED chip and an encapsulation. The substrate includes a main plate, and a first soldering pad and a second soldering pad attached to the main plate. The first soldering pad and the second soldering pad are separated from each other. The LED chip includes a first electrode and a second electrode. The LED chip is mounted on the substrate with the second electrode electrically connected to the second soldering pad of the substrate. The encapsulation includes a main body enclosing the LED chip and an electric connecting unit electrically connecting the first electrode of the LED chip and the first soldering pad.Type: GrantFiled: June 30, 2011Date of Patent: August 20, 2013Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Shiun-Wei Chan, Chih-Hsun Ke
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Patent number: 8513687Abstract: A semiconductor light emitting device, includes: a stacked structure unit including a first semiconductor layer, a second semiconductor layer, and a light emitting layer provided between the first semiconductor layer and the second semiconductor layer; a first electrode provided on a first major surface of the stacked structure unit on the second semiconductor layer side to connect to the first semiconductor layer; and a second electrode provided on the first major surface of the stacked structure unit to connect to the second semiconductor layer. The second electrode includes: a first film provided on the second semiconductor layer; and a second film provided on a rim of the first film on the second semiconductor layer. The first film has a relatively low contact resistance with the second semiconductor layer. The second film has a relatively high contact resistance with the second semiconductor layer.Type: GrantFiled: August 27, 2009Date of Patent: August 20, 2013Assignee: Kabushiki Kaisha ToshibaInventors: Hiroshi Katsuno, Yasuo Ohba, Kei Kaneko, Mitsuhiro Kushibe
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Publication number: 20130207085Abstract: An organic light emitting diode display includes a common light emitting layer that can simplify the manufacturing process and prevent infiltration of a light emitting material to an adjacent pixel. The organic light emitting diode display has different light emitting layers disposed above and below the common light emitting layer.Type: ApplicationFiled: November 12, 2012Publication date: August 15, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventor: SAMSUNG DISPLAY CO., LTD.
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Patent number: 8507367Abstract: A method of fabricating semiconductor devices is disclosed. The method comprises providing a substrate with a plurality of epitaxial layers mounted on the substrate and separating the substrate from the plurality of epitaxial layers while the plurality of epitaxial layers is intact. This preserves the electrical, optical, and mechanical properties of the plurality of epitaxial layers.Type: GrantFiled: July 3, 2008Date of Patent: August 13, 2013Assignee: Tinggi Technologies Pte Ltd.Inventors: Xuejun Kang, Shu Yuan, Jenny Lam, Shiming Lin
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Publication number: 20130200378Abstract: A method and an apparatus for forming an organic material pattern in a desired pattern on a substrate to improve device durability and image quality characteristics, an organic light emitting display apparatus, and a method of manufacturing an organic light emitting display apparatus, are provided. The apparatus includes a heater overlapping with a region of the substrate different from another region of the substrate in which the organic material pattern is to be formed, a power source for applying a voltage to the heater, and wiring for electrically connecting the power source with the heater.Type: ApplicationFiled: August 17, 2012Publication date: August 8, 2013Inventors: Jung-Tae Park, Seog-Young Lee
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Patent number: 8502248Abstract: Disclosed is a light emitting device. The light emitting device includes a light emitting structure layer including a first semiconductor layer, an active layer, and a second semiconductor layer, an electrode electrically connected to the first semiconductor layer, an electrode layer under the light emitting structure layer, and a conductive support member under the electrode layer. The conductive support member includes a protrusion projecting from at least one edge.Type: GrantFiled: November 17, 2010Date of Patent: August 6, 2013Assignee: LG Innotek Co., Ltd.Inventors: Joo Yong Jeong, Young Kyu Jeong