Patents Examined by Magda Cruz
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Patent number: 11561461Abstract: A light source apparatus includes a first light source configured to emit first color light, a second light source configured to emit second color light having a different wavelength from that of the first color light, a wavelength conversion element configured to convert the first color light into third color light having a wavelength different from that of the first color light and to emit the third color light, and to emit the second color light as it is, and an optical system including a light guide surface configured to guide the first color light from the first light source and the second color light from the second light source to the wavelength conversion element, and the optical system being configured to emit combined light of the second color light and the third color light from the wavelength conversion element.Type: GrantFiled: June 4, 2020Date of Patent: January 24, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Tomohisa Aida, Takehito Kawasumi
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Patent number: 11550211Abstract: An illumination system includes a light source, a wavelength conversion element and a light guide column. The light source provides an excitation beam. The wavelength conversion element has a wavelength conversion portion for converting the excitation beam into a converted beam. The light guide column is disposed between the light source and the wavelength conversion element and located on a transmission path of the excitation beam. The light guide column has a first end, a second end opposite to the first end, a third end and a fourth end opposite to the third end. The third and fourth ends respectively face the light source and the wavelength conversion element. The third end receives the excitation beam. The excitation beam exits the first or fourth end, and the converted beam enters the light guide column through the fourth end and exits the first end. A projection device is also provided.Type: GrantFiled: October 27, 2021Date of Patent: January 10, 2023Assignee: Coretronic CorporationInventor: Chen-Wei Fan
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Patent number: 11543649Abstract: A wavelength conversion device includes a substrate, a reflective layer, a phosphor layer and a thermal conductive layer. The substrate has a surface. The reflective layer is disposed on the surface of the substrate. The phosphor layer is disposed on the reflective layer and has a conversion region configured to perform a wavelength conversion. The thermal conductive layer is disposed on the surface of the substrate and thermally directly connected to the conversion region for conducting a heat generated at the conversion region during the wavelength conversion. The thermal resistance of the reflective layer is high and causes heat in the conversion region to accumulate. By disposing the thermal conductive layer adjacent to a side of the phosphor layer, the thermal conductive layer is thermally directly connected to the conversion region, so that the heat generated at the conversion region during the wavelength conversion is efficiently dissipated.Type: GrantFiled: April 28, 2020Date of Patent: January 3, 2023Assignee: DELTA ELECTRONICS, INC.Inventor: Jih-Chi Li
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Patent number: 11543648Abstract: There is provided a highly efficient virtual image projection device in a small size that displays images of high luminance in which an illumination system is reduced in size with no degradation in an effective luminous light beam. A virtual image projection device that shows video to a human eye includes a virtual light source surface (116) that emits a light beam in a predetermined angular distribution, an image forming lens (117) that condenses the light beam from the virtual light source surface (116), and a display (120) that creates video. When the virtual light source surface (116) is disposed at a nearly focal position on the front side of the image forming lens (117), the display (120) is disposed at a nearly focal position on the rear side of the image forming lens.Type: GrantFiled: October 30, 2018Date of Patent: January 3, 2023Assignee: HITACHI-LG DATA STORAGE, INC.Inventors: Seiji Murata, Ryuji Ukai, Tomoto Kawamura, Toshiteru Nakamura
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Patent number: 11537035Abstract: A light source apparatus includes a plurality of light emitting apparatuses. Each of the light emitting apparatuses includes a plurality of light emitting devices each of which has a light emitting area and a non-light emitting area on an emission surface thereof that emits light. At least two light emitting apparatuses of the light emitting apparatuses constitute a light emitting apparatus group disposed such that the emission surfaces of the respective light emitting apparatuses are parallel to each other with a predetermined distance, and that a distance between light emitting areas of the respective light emitting apparatuses when viewed along a direction perpendicular to the emission surfaces of the at least two of the light emitting apparatuses is shorter than a distance between the light emitting areas of the respective light emitting apparatuses when the emission surfaces of the respective light emitting apparatuses are on the same plane.Type: GrantFiled: March 9, 2021Date of Patent: December 27, 2022Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Takaaki Tanaka, Manabu Okuno
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Patent number: 11537036Abstract: A light source apparatus (1) according to the present disclosure includes a wavelength conversion device (10) that includes two or more wavelength conversion units (11-13) serially coupled in a first direction. The wavelength conversion device (10) has a configuration in which the two or more wavelength conversion units (11-13) generate respective converted lights having wavelengths different from each other to generate two or more converted lights. The two or more wavelength conversion units (11-13) each include a first end surface and a second end surface that are formed in a direction parallel to the first direction, and a light entering surface (43) that is formed in a second direction different from the first direction and which an excitation light for generating the converted light enters.Type: GrantFiled: July 26, 2019Date of Patent: December 27, 2022Assignee: SONY CORPORATIONInventors: Shinichiro Tajiri, Izushi Kobayashi
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Patent number: 11531257Abstract: An image projection device for displaying an image onto a remote surface. The image projection device employs a scanner to project image beams of visible light and tracer beams of light onto a remote surface to form a display of the image. The device also employs a light detector to sense at least the reflections of light from the tracer beam pulses incident on the remote surface. The device employs the sensed tracer beam light pulses to predict the trajectory of subsequent image beam light pulses and tracer beam light pulses that form a display of the image on the remote surface in a pseudo random pattern. The trajectory of the projected image beam light pulses can be predicted so that the image is displayed from a point of view that can be selected by, or automatically adjusted for, a viewer of the displayed image.Type: GrantFiled: March 26, 2021Date of Patent: December 20, 2022Inventor: Gerard Dirk Smits
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Patent number: 11531258Abstract: A light source module configured to provide a light beam along a first direction is provided. The light source module includes first to third light source groups and first to fourth beam-combining devices, wherein each of a light exiting surface of the first light source group and a light exiting surface of the third light source group is not parallel to a light exiting surface of the second light source group. An emitted light of the first light source group is transmitted along the first direction after being reflected by the first and second beam-combining devices. An emitted light of the third light source group is transmitted along the first direction after being reflected by the third and fourth beam-combining devices. An emitted light of the second light source group is transmitted along the first direction and passes through the first and third beam-combining devices.Type: GrantFiled: January 22, 2021Date of Patent: December 20, 2022Assignee: Coretronic CorporationInventor: Jui Chang
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Patent number: 11526070Abstract: An adapter assembly and a projection device are provided. The projection device includes a device body, an illumination system, a light valve, the adapter assembly, and a projection lens. The light valve is disposed in the device body to convert the illuminating beam provided by the illumination system into an image beam. The projection lens includes a plurality of protruding claws that surround a circumferential surface of a main body and protrude along the radial direction. The adapter assembly includes a first ring member, a rotating plate, and a second ring member sequentially disposed along the axial direction of the adapter assembly. When the projection lens is assembled to the adapter assembly, the rotating plate rotates to limit the protruding claws within a limiting assembly space formed by the first ring member and the second ring member to lock the projection lens to the device body.Type: GrantFiled: October 4, 2021Date of Patent: December 13, 2022Assignee: Coretronic CorporationInventor: Ting-Jung Hsu
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Patent number: 11520220Abstract: A wavelength conversion module is configured to receive an excitation beam. The wavelength conversion module includes a substrate and a wavelength conversion material arranged on the substrate. The substrate includes a ring-shaped light irradiation region, and the wavelength conversion material is annularly arranged on at least part of the ring-shaped light irradiation region. A first color light obtained through conversion when the excitation beam is incident to the wavelength conversion material of the ring-shaped light irradiation region in a first time sequence has a first light intensity, the first color light obtained through conversion when the excitation beam is incident to the wavelength conversion material of the ring-shaped light irradiation region in a second time sequence has a second light intensity, and the first light intensity and the second light intensity are different. In addition, a projection device is also provided.Type: GrantFiled: November 2, 2020Date of Patent: December 6, 2022Assignee: Coretronic CorporationInventor: Haw-Woei Pan
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Patent number: 11520216Abstract: A projector system includes a connector attachable to a lighting wiring base mounted on a ceiling surface of a room, a housing hanging from the connector, a communicator accommodated in the housing to obtain content to be projected onto a wall surface of the room, a projection unit accommodated in the housing to emit emission light to project a picture including the content onto the wall surface, a brightness sensor to sense a brightness of the room, and a corrector to control the emission light to correct an effect of a state of the wall surface on the projected picture in accordance with the brightness of the room.Type: GrantFiled: September 20, 2018Date of Patent: December 6, 2022Inventor: Tao Cheng
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Patent number: 11520218Abstract: A phosphor wheel and a projection apparatus with the phosphor wheel are disclosed. A phosphor wheel includes a driving motor, a temperature interference element, a substrate and at least one light wavelength converting layer. The driving motor includes a motor body and a rotating member. The motor body drives the rotating member to rotate relative to the motor body along a rotation axis. The temperature interference element is connected with the rotating member and the substrate. The motor body drives the rotating member to rotate the temperature interference element and the substrate relative to the motor body. The substrate includes a first surface and a second surface disposed opposite to each other. The second surface is located between the first surface and the rotating member. The light wavelength converting layer is disposed on the first surface of the substrate.Type: GrantFiled: August 16, 2019Date of Patent: December 6, 2022Assignee: Coretronic CorporationInventors: Pi-Tsung Hsu, Chi-Tang Hsieh
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Patent number: 11520219Abstract: The invention provides a heat dissipating module configured to dissipate heat of at least one heating element of a projection device. The heat dissipating module includes a first radiator, a second radiator, a pipe, and at least one fan. The second radiator is disposed opposite to the first radiator. The heating element, the first radiator, and the second radiator are connected to each other through the pipe to form a loop. A working fluid is configured to be filled in the pipe, and the working fluid flows through the first radiator after flowing through the second radiator for heat exchange, and the working fluid flowing into the first radiator flows to the heating element for cyclic heat dissipation after heat exchange again through the first radiator. The fan is configured between the first radiator and the second radiator.Type: GrantFiled: July 30, 2020Date of Patent: December 6, 2022Assignee: Coretronic CorporationInventors: Jia-Hong Dai, Jing-Wei Chen, Jhih-Tong Chen, Kai-Lun Hou, Te-Ying Tsai
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Patent number: 11520137Abstract: A phosphor wheel comprises a disk, a wavelength conversion layer comprising phosphor disposed on the disk, and an impeller disposed on the disk. The impeller comprises vanes which are shaped as airfoils with each vane oriented to drive outward airflow across the disk and across the wavelength conversion layer when the disk is rotated in the rotation direction. The wavelength conversion layer may be disposed at a larger radial position than the impeller on the disk, and may optionally be an annular wavelength conversion layer. In operation, a light source is arranged to output a pump beam impinging on the wavelength conversion layer while the disk rotates.Type: GrantFiled: July 27, 2018Date of Patent: December 6, 2022Assignee: MATERION CORPORATIONInventors: Shengyuan Bai, Guanghui Fu, Qiming Li
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Patent number: 11513433Abstract: A lighting device of the present disclosure includes a light source device and a reflective component. The reflective component reflects an illumination light incident from the light source device off the reflecting surface of the reflective component at incident angle ?, and emits the illumination light reflected toward a display element at exit angle ?. The reflecting surface of the reflective component is rotated with respect to two axes orthogonal to each other. 20 degrees?|???|?60 degrees is satisfied. Where, each of the incident angle ? and the exit angle ? is angle of the illumination light to a horizontal direction of the display element when the illumination light is incident on a front surface of the display element.Type: GrantFiled: October 23, 2020Date of Patent: November 29, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Manabu Okuno, Yoshimasa Fushimi
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Patent number: 11506961Abstract: A heat dissipation module includes a base, a cover and a plurality of heat dissipation fins. The cover is disposed on the base and forms an accommodation space with the base. The plurality of heat dissipation fins is disposed in the accommodation space. The cover includes a top, at least one side wall, a first opening and a second opening. The first opening and the second opening are disposed on the top or the at least one side wall. The at least one side wall surrounds the top and is connected to the base. The distances between the plurality of heat dissipation fins and one of the at least one side wall in a first direction are different. A projection apparatus is also provided, which includes a light source module, a light valve, the aforementioned heat dissipation module and a projection lens.Type: GrantFiled: October 14, 2020Date of Patent: November 22, 2022Assignee: Coretronic CorporationInventors: Shi-Wen Lin, Wei-Chi Liu, Tsung-Ching Lin
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Patent number: 11506962Abstract: An illumination system and a projection device are provided. The illumination system includes multiple laser light source units, a light splitting element, a wavelength conversion module, and a filter module. The laser light source units include first and second laser light source units, respectively configured to provide first and second beams. The light splitting element is located on transmission paths of the first and second beams. When the wavelength conversion module rotates synchronously with the filter module, in a first period of time, the first beam is transmitted to the filter module via the light splitting element and then reflected to a wavelength conversion region via a first color filter region of the filter module, and the second beam is transmitted to the wavelength conversion region via the light splitting element. The first and second beams are converted to a converted beam, which is transmitted to the filter module.Type: GrantFiled: August 27, 2021Date of Patent: November 22, 2022Assignee: Coretronic CorporationInventors: Chien-Chung Liao, Hung-Wei Liu
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Patent number: 11506957Abstract: The invention provides an optical module and a projection apparatus. The optical module includes a base, a first frame, an optical element, and at least one first driving assembly. The first frame is disposed in the base and includes a first body and a pair of first shaft portions, the first shaft portion extending outward from the first body, and the first body including a pair of first inner folded edges. The optical element is disposed between the pair of first inner folded edges. The first driving assembly and the optical element abut against two opposite sides of one of the first inner folded edges, respectively, and the first driving assembly is configured to drive the first body to swing relative to the base by taking the first shaft portion as a rotating shaft.Type: GrantFiled: February 1, 2021Date of Patent: November 22, 2022Assignee: Coretronic CorporationInventors: Wei-Hao Chen, Jing-Si Chen
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Patent number: 11500277Abstract: The present disclosure discloses a projection lamp. The projection lamp includes a light-emitting assembly including at least one first non-coherent light source, a light-reflection medium, a first condensing lens, a driving device, a driving gear, and a driven gear. An inner wall surface of the light-reflection medium is formed by mutually connecting a plurality of irregular light reflection surfaces; the first non-coherent light source is arranged in the light-reflection medium; the first condensing lens is arranged above the light-reflection medium; the driving gear is connected to the driving device; and the driven gear is arranged on the light-reflection medium and is engaged with the driving gear to drive the light-reflection medium to rotate. The technical solution of the present disclosure effectively improves the diversity of the light effect of the projection lamp.Type: GrantFiled: August 25, 2021Date of Patent: November 15, 2022Inventors: Huazhu Zheng, Yunyun Lu, Caijian Zheng, Wenzhen Ouyang
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Patent number: 11496717Abstract: A projection system and a projection method are provided. The projection system includes a processing module, a projection module and a photographing module. The projection module projects a first projection image based on a projection scope. The photographing module captures a part of the first projection image based on a photographing scope, so as to obtain a first photographic image. The part of the first projection image includes a plurality of first positioning grid points. The processing module analyzes the first photographic image, so as to obtain a plurality of first grid point coordinates. The processing module calculates a plurality of preset grid point coordinates corresponding to a plurality of preset positioning grid points in the whole projection scope one by one according to the first grid point coordinates. The processing module determines a projection result in the projection scope according to the preset grid point coordinates.Type: GrantFiled: December 26, 2019Date of Patent: November 8, 2022Assignee: Coretronic CorporationInventors: Chien-Chun Peng, Hsun-Cheng Tu