Patents Assigned to Global Lighting Technologies, Inc.
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Patent number: 12216305Abstract: A front light module includes a light guide sheet and a light bar. The light guide sheet has two light receiving laterals, a fold line, a first pattern area, and a second pattern area respectively located on two sides of the fold line. One light receiving lateral is protruded to form first taper sets, and the other is protruded to form second taper sets. The second pattern area is superimposed on the first pattern area, and the first and second tapers set are engaged and coplanar to form a light incident surface after folding along the fold line. The light bar provides light toward the light incident surface, the first pattern area is lit by the odd positions of the light bar via the first taper sets, and the second pattern area is lit by the even positions of the light bar via the second taper sets.Type: GrantFiled: June 8, 2023Date of Patent: February 4, 2025Assignee: GLOBAL LIGHTING TECHNOLOGY INC.Inventors: Jin-Wei Tong, Hao Lu, Fan-Wei Wu, Wei-Lun Huang
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Patent number: 10775900Abstract: A light guide plate provided for a luminous keyboard is disclosed. The light guide plate includes a main body, a first bump pair, a second bump pair, and many microstructure patterns. The main body has a light output surface and many press button installation areas defined thereon, each of the press button installation areas is arranged to fix a press key structure. The first bump pair and the second bump pair are integrally and seamlessly protruded from the main body. Each of the first bump pair has a first recess, and each of the second bump pair has a second recess. The first recess and the second recess are configured opposite to each other, and provided for assembling the press key structure. The microstructure patterns are formed next to the first and second bump pairs to abstract light by destructing the total reflection in the main body.Type: GrantFiled: May 16, 2019Date of Patent: September 15, 2020Assignee: GLOBAL LIGHTING TECHNOLOGY INC.Inventors: Fan-Wei Wu, Chin-Hung Hsu
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Patent number: 10153105Abstract: A touch-sensitive light guide film has an emitting layer, a light guiding layer, a flexible transparent layer and a light source. The emitting layer has a first circuit. The light guiding layer located on one side of the emitting layer has a second circuit and a receiving space. The receiving space is concavely or thoroughly disposed on the light guiding layer. The flexible transparent layer disposed between the emitting layer and the light guiding layer, has a through hole and a receiving hole. The through hole is relative in position to the first circuit and the second circuit, and in the through hole, the first circuit and the second circuit may contact when the flexible transparent layer is compressed. The light source is disposed on the emitting layer and penetrating the receiving hole and protruding into the receiving space.Type: GrantFiled: July 10, 2018Date of Patent: December 11, 2018Assignee: GLOBAL LIGHTING TECHNOLOGIES INC.Inventors: Chung-Lin Tsai, Jiun-Hau Ie, Hao Lu
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Patent number: 10048536Abstract: A light guide plate and assembly thereof are disclosed. The light guide plate includes a base plate, an optical pattern on the bottom surface of the base plate, a first circuit and a second circuit on the top surface of the base plate. As a front light module, the first circuit is designed to be light penetrable at the visual area of the base plate as a touch sensing circuit, and the second circuit is surrounding and electrically connected the first circuit. The front light module achieves the thickness reduction of a mobile device having a reflective type panel. As a back light module, the first circuit and the second circuit are arranged in two adjacent blocks on the top surface of the base plate without electrically connecting to each other. The back light module may be applied to perform a local dimming technology by adapting an extra low resolution panel.Type: GrantFiled: December 26, 2016Date of Patent: August 14, 2018Assignee: Global Lighting Technologies Inc.Inventors: Chung-Lin Tsai, Ching-Ling Wang, Ping-Tse Lo
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Publication number: 20170293061Abstract: A light guide plate for a large-size backlight module, and the light guide plate includes a light guide body and a glossy lens array. The light guide body includes a light incident surface for receiving light. The glossy lens array is formed on said light incident surface by thermal reforming a lateral terminal of said light guide body. Said glossy lens array includes a plurality of curvy ridges and the radius of curvature of each of said curvy ridges ranges from 20 ?m to 50 ?m, and the angle between two tilted edges of each of said curvy ridges ranges from 50 to 60 degrees, whereby said glossy lens array enables said large-size backlight module to be produced in a roll-to-roll production line without burr issue.Type: ApplicationFiled: April 5, 2017Publication date: October 12, 2017Applicant: Global Lighting Technologies Inc.Inventors: Chien-Chun Wu, Kun-Ting Liao, Chung-Lin Tsai, Jiun-Hau Ie
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Publication number: 20170108720Abstract: A light guide plate and assembly thereof are disclosed. The light guide plate includes a base plate, an optical pattern on the bottom surface of the base plate, a first circuit and a second circuit on the top surface of the base plate. As a front light module, the first circuit is designed to be light penetrable at the visual area of the base plate as a touch sensing circuit, and the second circuit is surrounding and electrically connected the first circuit. The front light module achieves the thickness reduction of a mobile device having a reflective type panel. As a back light module, the first circuit and the second circuit are arranged in two adjacent blocks on the top surface of the base plate without electrically connecting to each other. The back light module may be applied to perform a local dimming technology by adapting an extra low resolution panel.Type: ApplicationFiled: December 26, 2016Publication date: April 20, 2017Applicant: Global Lighting Technologies Inc.Inventors: Chung-Lin Tsai, Ching-Ling Wang, Ping-Tse Lo
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Patent number: 9568666Abstract: An illumination apparatus includes a first light-guide plate, a second light-guide plate and a base. Each of the first and second light-guide plates and the second light-guide plate includes a light-emitting surface, a side surface connecting the corresponding light-emitting surface, a micro-structure pattern, a circuit layer integrated with the corresponding side surface, and a color light source disposed on the corresponding side surface and electrically connecting the corresponding circuit layer. The region where the light from the color light source of first light-guide plate orthogonally emitting from is different from the region of where the light from the color light source of second light-guide plate orthogonally emitting from. The base includes a cavity for accommodating the side surfaces of the first and second light-guide plates and electrically connecting the corresponding circuit layers.Type: GrantFiled: July 14, 2016Date of Patent: February 14, 2017Assignee: Global Lighting Technologies Inc.Inventors: Chung-Lin Tsai, Jiun-Hau Ie, Jerry Wu
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Patent number: 9429702Abstract: A backlight module including a light source module and a light guide structure is provided. The light source module includes a base, at least one light source and a first circuit layer. The base includes a carrying surface. The at least one light source is mounted on the carrying surface. The first circuit layer is integrated with the carrying surface and electrically connected to the light source. The light guide plate includes an engaging surface and at least one recess. The engaging surface is engaged with the light source module. The recess is disposed at the engaging surface for receiving the light source, wherein a material of the light guide plate and a material of the base are the same. The second circuit layer is integrated with the engaging surface, and electrically connected to the first circuit layer.Type: GrantFiled: August 28, 2015Date of Patent: August 30, 2016Assignee: Global Lighting Technologies Inc.Inventors: Chung-Lin Tsai, Jiun-Hau Ie, Jerry Wu
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Patent number: 9429697Abstract: A backlight module including a light guide plate, a circuit layer and at least one light source. The light guide plate includes a first surface, a second surface parallel and opposite to the first surface, and a recess disposed at a side edge of the light guide plate and including a third surface parallel to the first surface and the second surface. The circuit layer is integrated with the third surface. The at least one light source is disposed on the third surface to be embedded in the recess and electrically connected to the circuit layer.Type: GrantFiled: August 27, 2015Date of Patent: August 30, 2016Assignee: Global Lighting Technologies Inc.Inventors: Chung-Lin Tsai, Jiun-Hau Ie, Jerry Wu
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Patent number: 9322971Abstract: A method for manufacturing a light guide apparatus includes the following steps. A first mold and a second mold are provided. The first mold and the second mold respectively include a first molding surface and a second molding surface facing each other. A protrusion is disposed at the first or second molding surfaces. Sheet materials are provided. Each sheet material includes an opening corresponding to the protrusion, a first surface and a circuit layer disposed on the first surface. One of the sheet materials is disposed on the first mold with first surface facing the first mold. The first mold and the second mold are closed. An optical plastic material is injected into the space between the first and second molding surfaces to form a light guide plate having a via corresponding to the protrusion for embedding a light source. The sheet material is laminated on the light guide plate.Type: GrantFiled: January 27, 2015Date of Patent: April 26, 2016Assignee: Global Lighting Technologies Inc.Inventors: Chung-Lin Tsai, Ching-Ling Wang
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Patent number: 9004737Abstract: An illumination apparatus including an illumination shell, a circuit and a light source is provided. The illumination shell is formed by a light guide plate. The circuit has a plurality of circuit contacts integrated with the illumination shell. The light source is disposed on the illumination shell and electrically contacted to the plurality of circuit contacts.Type: GrantFiled: June 6, 2013Date of Patent: April 14, 2015Assignee: Global Lighting Technologies Inc.Inventors: Chung-Lin Tsai, Guo-Chen Lee
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Patent number: 8913013Abstract: A keyboard comprises a key module and a backlight module in which the key module comprises a light-transmissive key part and an electric circuit substrate, and the backlight module comprises a light guide plate, a reflection unit and at least one light source. The backlight module is disposed between the key part and the electric circuit substrate. Thus, lights emitted by the light source are projected into the light guide plate from the lateral side of the light guide plate, and the lights are reflected by the reflection unit for directly passing through the light output surface of the light guide plate and the key part.Type: GrantFiled: September 23, 2011Date of Patent: December 16, 2014Assignee: Global Lighting Technology Inc.Inventors: Guo-Chen Lee, Jerry Wu, Yu-Jeng Lin, Tsung-Yung Hung, I-Ping Huang
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Patent number: 8858052Abstract: The present invention relates to a backlight module and a manufacturing method thereof. The backlight module comprises a thin film unit, a light guide unit, an insulation layer and at least a light source. The thin film unit is installed with a first circuit. The light guide unit is installed with a second circuit. The insulation layer is installed between the thin film unit and the light guide unit. The light source is electrically connected to the first circuit, and the light thereof projects into the light guide unit.Type: GrantFiled: March 31, 2011Date of Patent: October 14, 2014Assignee: Global Lighting Technology Inc.Inventors: Yu-Jeng Lin, Wen-Yen Cho
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Patent number: 8651725Abstract: A backlight module provided includes a light source, a first light-guided plate, and a second light-guided plate stacked on the first light-guided plate. The first light-guided plate includes a plate body and an extension disposed on an edge of the plate body and extending towards the second light-guided plate aside a lateral side of the second light-guided plate. The plate body and the extension form a seamless light incident surface. The extension has a reflection surface. The reflection surface connects the light incident surface or the surface of the plate body. The light source is disposed at a light incident surface of the first light-guided plate for projecting light into the light-guided plate.Type: GrantFiled: September 19, 2011Date of Patent: February 18, 2014Assignee: Global Lighting Technology Inc.Inventors: Jiun-Hau Ie, Tung-Chuan Su, Yu-Jeng Lin
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Patent number: 8646928Abstract: The present invention provides a backlight module including a plurality of illuminant units and two light guide plates respectively arranged at two opposite sides of the illuminant units. Each of the light guide plates has a light-incident surface and a light-emitting surface adjacent to the light-incident surface. A portion of the illuminant units emit light toward the light-incident surface of one of the light guide plates, and the other portion of the illuminant units emit light toward the light-incident surface of the other light guide plate. The dimension of the light-emitting surface of each light guide plate is positive proportional to the amount of the illuminant units emitting light toward the light guide plate. In addition, the present invention also provides a liquid crystal displaying apparatus including the above-mentioned backlight module.Type: GrantFiled: December 29, 2011Date of Patent: February 11, 2014Assignee: Global Lighting Technologies, Inc.Inventors: Chung-Cheng Liang, Wei-An Hua
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Patent number: 8602631Abstract: A light guide apparatus for a backlight module is disclosed, which includes a light guide plate, a circuit having a plurality of conductive contacts integrated with the light guide plate, and a light source disposed on the light guide plate and electrically contacted to the plurality of conductive contacts.Type: GrantFiled: June 30, 2011Date of Patent: December 10, 2013Assignee: Global Lighting Technologies Inc.Inventors: Chung-Lin Tsai, Ming-Yuan Lee, Tsung-Yung Hung, I-Ping Huang
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Patent number: 8534894Abstract: A light guide plate, backlight module installed with the same and method of guiding light utilizing the same are provided. The light guide plate has a bottom surface, a light outlet surface opposite to the bottom surface, and a light inlet surface at least connected with the light outlet surface. A light is introduced to the light inlet surface and transmitted in the light guide plate. The light guide plate comprises a light transmissive substrate installed with at least one through hole, and a first slot installed on the light transmissive substrate and arranged at the periphery of the through hole.Type: GrantFiled: December 15, 2010Date of Patent: September 17, 2013Assignee: Global Lighting Technology Inc.Inventors: Yu-Jeng Lin, Guan-Kai Ciou, Shin-Kun Lee
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Patent number: 8534853Abstract: A backlight module comprises a light emitting element and a light guide panel having a light output surface in which the light output surface is with a first side, a second side, a through hole, a recess and plural microstructure rows. The microstructure rows are arranged on the light output surface, and the extending direction thereof is parallel to the extending direction of the first side. The through hole is installed between any two adjacent microstructure rows. The light emitting element is disposed in the recess in a central zone of the light output surface, and arranged to emit lights towards the second side. One major light emitting axis of the light emitting element deviates from the through hole.Type: GrantFiled: January 10, 2011Date of Patent: September 17, 2013Assignee: Global Lighting Technology Inc.Inventors: Marty Ligas, Yu-Jeng Lin, Melanie Gerdeman
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Patent number: 8511883Abstract: A light guide apparatus for a backlight module is provided. The light guide apparatus comprises a light guide plate and an electrical component. The light guide plate is configured with a circuit thereon. The electrical component is attached to the light guide plate and electrically coupled to the circuit. The light guide apparatus integrates a light guide panel, a circuit and an electrical component together for obtaining simpler structure and lower cost.Type: GrantFiled: June 30, 2011Date of Patent: August 20, 2013Assignee: Global Lighting Technologies Inc.Inventors: Chung-Lin Tsai, Yu-Jeng Lin
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Patent number: D967507Type: GrantFiled: December 17, 2020Date of Patent: October 18, 2022Assignee: GLOBAL LIGHTING TECHNOLOGY INC.Inventors: Wen-Yu Lee, Chin-Hung Hsu, Yung-Shin Chang