Patents Assigned to Coretronic Corporation
  • Publication number: 20210020812
    Abstract: The disclosure provides a light source module including a substrate, multiple light-emitting elements, multiple reflecting elements, and an encapsulation layer. The reflecting elements and light-emitting elements are disposed in stack arrangement in the direction perpendicular to the substrate surface, respectively. The encapsulation layer disposed between the reflecting elements and light-emitting elements includes multiple first grooves and main portions. The first grooves located between the light-emitting elements are connected to each other. The main portions cover the light-emitting elements, and the reflecting elements and the light-emitting elements are disposed in the central position of the main portions having multiple first inclined ridges disposed around the central position to define the first grooves in the first direction parallel to the extending direction of the substrate surface.
    Type: Application
    Filed: July 6, 2020
    Publication date: January 21, 2021
    Applicant: Coretronic Corporation
    Inventors: Wen-Hsun Yang, Yu-An Huang, Shih-Yi Lin
  • Publication number: 20210018827
    Abstract: The invention provides a light source module and a projection device. The projection device includes the light source module, an optical engine module, a heat dissipation module, and a projection lens. The light source module includes a light emitting unit, a carrier, and a noise reduction unit. The light emitting unit is configured for providing a lighting beam. The carrier is configured for fixing the light emitting unit and has an opening, and the light source of the light emitting unit is aligned with the opening. The noise reduction unit is configured to surround at least a part of the light emitting unit. The optical engine module includes a light valve located on a transmission path of the lighting beam and is configured for converting the lighting beam into an image beam. The light source module is located between the optical engine module and the heat dissipation module.
    Type: Application
    Filed: July 14, 2020
    Publication date: January 21, 2021
    Applicant: Coretronic Corporation
    Inventors: Chao-Nan Chien, Kuang-Yao Liu
  • Publication number: 20210018825
    Abstract: A diffusion rotating device disposed on a transmission path of a light beam is provided. The diffusion rotating device includes a substrate, a rotating axis and a driving element. The rotating axis is connected to the substrate. The driving element is connected to the rotating axis, and drives the rotating axis to rotate. The substrate includes a first diffusion region and an optical region disposed adjacent to each other, and the first diffusion region has multiple first diffusion sub-regions, each of the first diffusion sub-regions extends along a circumferential direction of the substrate and the first diffusion sub-regions are arranged concentrically along a radial direction of the substrate, when the first diffusion region is cut into the transmission path of the light beam, the light beam forms a first light spot on the first diffusion region of the substrate. A projection device is also provided.
    Type: Application
    Filed: July 14, 2020
    Publication date: January 21, 2021
    Applicant: Coretronic Corporation
    Inventors: Shi-Hao Lin, Chung-Cheng Hsu
  • Publication number: 20210018824
    Abstract: The present invention provides a lighting system, including at least one light source, a depolarization element and a light homogenization element. The at least one light source is configured to provide at least one light beam. The depolarization element is disposed on a transmission path of the at least one light beam. The depolarization element includes a first optical element, and the first optical element is provided with a first optical axis. The light homogenization element is configured to allow the at least one light beam to pass to form an illuminating light beam. The incident direction where the at least one light beam is transmitted to the first optical element is not parallel to the first light axis. The depolarization element is located between the at least one light source and the light homogenization element. In addition, projection apparatus is also provided.
    Type: Application
    Filed: July 12, 2020
    Publication date: January 21, 2021
    Applicant: Coretronic Corporation
    Inventors: Yao-Shun Lin, Hsuan-I Wu
  • Patent number: 10895777
    Abstract: A display device and a method for adjusting a chromaticity of a display beam are provided. A display device includes a light source module, a viewing angle switching module and a display module. The light source module includes a light source used for providing a light beam, and an illumination beam is formed by the light beam through the light source module, wherein the chromaticity of the light beam falls within a first region in the CIE 1931 xy chromaticity coordinates. The first region is a region enclosed by four coordinate points, and values of the four coordinate points of the first region are (0.2535, 0.2160), (0.2656, 0.2590), (0.2795, 0.2590), and (0.2674, 0.2160), respectively. The viewing angle switching module and the display module are located on the transmission path of the illumination beam.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: January 19, 2021
    Assignee: Coretronic Corporation
    Inventors: Yang-Ching Lin, Chung-Yang Fang, Ping-Yen Chen
  • Publication number: 20210009266
    Abstract: A UAV patrol system and a UAV patrol method are provided. A UAV receives a patrol instruction from a base station to perform a patrol task to the target area. The patrol task includes: flying along a cruise path in a first height, and acquiring a first thermal sensing image in a first FOV; in response to determining that the first thermal sensing image has a abnormal point with a temperature higher than a temperature threshold and located on one of multiple object targets, suspending flying along the cruise path and changing to fly in the second height to capture an abnormal image of the abnormal point in a second FOV, and storing and marking the abnormal image. The UAV patrol system and method may effectively use the UAV to determine the abnormal target object in the target area, and capture the abnormal image of the target object.
    Type: Application
    Filed: July 9, 2020
    Publication date: January 14, 2021
    Applicant: Coretronic Corporation
    Inventors: Kuo-Chang Lee, Chih-Neng Tseng, Cheng-Shen Lee
  • Publication number: 20210011360
    Abstract: Provided are a projector and a lens adjusting module. The projector includes a main body, a light source disposed on the main body and providing an illumination beam, a light valve disposed on the main body and converting the illumination beam into an image beam, a projection lens movably disposed on the main body in a moving direction and projecting the image beam, and the lens adjusting module. The lens adjusting module includes a driven member connected to the projection lens and having a limiting flange, a limiting structure connected to the main body, and a rotating member screwed to the driven member and rotating to drive the driven member and the projection lens to move in a moving direction. The limiting structure is adapted to stop the limiting flange to limit a movement range of the driven member in the moving direction.
    Type: Application
    Filed: July 6, 2020
    Publication date: January 14, 2021
    Applicant: Coretronic Corporation
    Inventors: Chun-Hsien Wu, Kuang-Yao Liu
  • Patent number: 10893246
    Abstract: A projection system including a processing device and a projector is provided. The projector is coupled to the processing device. The projector includes a projection unit and an image capturing unit. The projection unit is configured to project an image frame onto a projection plane, where the image includes a grid point array. The image capturing unit is configured to capture the image frame on the projection plane according to a plurality of setting parameters, so as to obtain a plurality of captured images corresponding to the setting parameters. The processing device selects one of the captured images meeting a preset image condition as a desired captured image, and sets the image capturing unit according to a desired setting parameter. In addition, an automatic setting method is also provided. The projection system of the invention can operate without complex manual setting procedures.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: January 12, 2021
    Assignee: Coretronic Corporation
    Inventors: Chi-Wei Lin, Chien-Chun Peng, Yung-Chiao Liu
  • Patent number: 10890832
    Abstract: Disclosed is an optical device, comprising a supporting structure, at least one first driving element, at least one second driving element and a light-transmitting plate body. The supporting structure has a first side and a second side opposing each other and comprises a base and a frame mutually connected to each other, the base has at least one first supporting part, the frame has at least one second supporting part and at least one third supporting part, the first supporting part and the second supporting part are positioned on the first side, and the third supporting part is positioned on the second side. Furthermore, an optical module having the above optical device is disclosed. The optical device of the invention may be properly installed in a limited space inside a projector.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: January 12, 2021
    Assignee: Coretronic Corporation
    Inventor: Wei-Hao Chen
  • Publication number: 20210003764
    Abstract: The present disclosure provides a display device, which includes an invisible light source module, a wavelength conversion pattern and a display panel. The invisible light source module is configured to provide an invisible light beam. The wavelength conversion pattern is located on a transmission path of the invisible light beam. The wavelength conversion pattern is formed by a wavelength conversion material, the wavelength conversion material is configured to convert invisible light into visible light, and the invisible light beam forms a visible light pattern through the wavelength conversion pattern. The present disclosure also discloses a display control method for controlling a display device. The display device and the display control method of the present disclosure have multiple display modes and may display a preset pattern in a display mode driven by a low-power power supply.
    Type: Application
    Filed: July 1, 2020
    Publication date: January 7, 2021
    Applicant: Coretronic Corporation
    Inventors: Chih-Jen Tsang, Ming-Huei Shiu
  • Publication number: 20210006768
    Abstract: The invention provides a three-dimensional (3D) image processing circuit and a synchronization signal correction method thereof. The 3D image processing circuit is adapted to process a 3D image signal. The 3D image signal includes an image synchronization signal and a view switching signal. The 3D image processing circuit includes a synchronization signal correction circuit coupled to the image processing circuit. A synchronization circuit of the synchronization signal correction circuit receives an image synchronization signal processed by the image processing circuit and simultaneously receives the view switching signal. The synchronization circuit compares the processed image synchronization signal with the view switching signal, so as to output a view switching signal synchronized with the processed image synchronization signal. The invention further provides an image display device including the above 3D image processing circuit.
    Type: Application
    Filed: June 29, 2020
    Publication date: January 7, 2021
    Applicant: Coretronic Corporation
    Inventors: Chih-Hsun Peng, Hsu-Chuan Chen, Yu-Chieh Tsai, Jian-Jiun Wu
  • Patent number: 10884324
    Abstract: The disclosure provides a moving apparatus for a projector. The projector includes a body, a processing unit and a projection lens. The moving apparatus includes a base having a through-base opening. At least one moving stage movably disposed on a front side surface of the base along a plane and has at least one through-stage opening aligned with the through-base opening. At least one magnetic component disposed on a carrier board, wherein a projection position of the projection lens is positioned by the at least one magnetic board through magnetic attraction. The at least one magnetic component is electrically connected to the processing unit.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: January 5, 2021
    Assignee: Coretronic Corporation
    Inventors: Chih-Wen Wu, Chien-Tsai Chueh
  • Patent number: 10884325
    Abstract: A projection device includes: a light source module for generating an illumination beam; an optical engine module disposed on a transmission path of the illumination beam for forming an image beam; a projection lens disposed on a transmission path of the image beam for projecting the image beam to an outside of the projection device; and a housing having opposite bottom and top portions, and a side wall connected between and surrounding the portions and having an air inflow region adjacent to the bottom portion and an air exhaust region adjacent to the top portion. The light source module, the optical engine module and the projection lens are disposed in the housing adjacent to the top portion, wherein the image beam is projected to the outside toward the bottom portion. The projection device of the invention can effectively dissipate heat.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: January 5, 2021
    Assignee: Coretronic Corporation
    Inventors: Wei-Min Chien, Jhih-Hao Chen, Tsung-Ching Lin, Shi-Wen Lin
  • Publication number: 20200409037
    Abstract: An optical lens and a head-mounted display device including the optical lens are provided. The optical lens includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens sequentially arranged from a light exit side to a light incident side. An image generator is disposed at the light incident side. The optical lens is configured to receive an image light beam provided by the image generator. A stop is formed at the light exit side of the image light beam. At the stop, the image light beam has a minimum light beam cross-sectional area. The technical solution of the invention may be used to shorten an overall length of the optical lens, so as to reduce an appearance volume of the display.
    Type: Application
    Filed: June 20, 2020
    Publication date: December 31, 2020
    Applicant: Coretronic Corporation
    Inventors: Tao-Hung Kuo, Fu-Ming Chuang
  • Publication number: 20200413033
    Abstract: A projection system and a projection method thereof are provided. The projection system includes a projection device, a memory, an image capturing device, and a processor. The memory records a corresponding relationship between a plurality of test patterns and a plurality of sets of image capturing parameters. The projection device projects the plurality of test patterns toward a projected area. The processor controls, according to the corresponding relationship recorded in the memory, the image capturing device to shoot the projected area with the plurality of sets of image capturing parameters to obtain a plurality of first reference images corresponding to the plurality of test patterns, and controls, according to the plurality of test patterns and the corresponding plurality of first reference images, the projection device to project a projection image.
    Type: Application
    Filed: June 22, 2020
    Publication date: December 31, 2020
    Applicant: Coretronic Corporation
    Inventor: Yung-Ling Tseng
  • Publication number: 20200409034
    Abstract: An optical lens and a head-mounted display device are provided. The optical lens includes a first lens, a second lens, a third lens, and a fourth lens sequentially arranged from a light exit side to a light incident side. Refractive powers of the first lens, the second lens, the third lens and the fourth lens are sequentially positive, negative, positive and positive. An image generator is disposed at the light incident side. The optical lens is configured to receive an image beam provided by the image generator. The image beam forms a stop at the light exit side. The stop has the minimum cross-sectional area of beam convergence of the image beam. The optical lens and the head-mounted display device of the disclosure have advantages of smaller size, light weight, large viewing angle and high resolution.
    Type: Application
    Filed: June 15, 2020
    Publication date: December 31, 2020
    Applicant: Coretronic Corporation
    Inventors: Tao-Hung Kuo, Fu-Ming Chuang
  • Patent number: 10877252
    Abstract: A fixed-focus projection lens including a first lens group, an aperture stop and a second lens group arranged sequentially along an optical axis of the fixed-focus projection lens in a direction from an outgoing side to an incoming side. The first lens group includes a first lens element to the sixth lens element arranged sequentially along the optical axis in a direction from the outgoing side to the incoming side. The second lens group includes a seventh lens element to an eleventh lens element arranged sequentially along the optical axis in a direction from the outgoing side to the incoming side. The material of the first lens element is plastic. The material of the second lens element to the eleventh lens element is glass. The fixed-focus projection lens of the disclosure has a smaller size, good optical quality and good durability of high temperature.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: December 29, 2020
    Assignee: Coretronic Corporation
    Inventors: Yi-Chin Chen, Tao-Hung Kuo, Wen-Chieh Chung, Chuan-Te Cheng
  • Patent number: 10880530
    Abstract: A projector and a brightness adjusting method are provided. The projector includes a distance sensor configured to detect a distance between the projector and a projection plane, a light source, a brightness controlling circuit, and a processor. The light source is configured to provide an illumination beam. The brightness controlling circuit is configured to control the light source. The processor calculates according to the distance to obtain an image size of a projected image on the projection plane and instructs the light source to adjust a luminous flux of the illumination beam according to the image size of the projected image for generating a target brightness value of the projected image. Here, the brightness of the projector is adjusted and maintained to allow users to comfortably watch images with proper brightness.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: December 29, 2020
    Assignee: Coretronic Corporation
    Inventor: Yun-Lin Miao
  • Publication number: 20200400979
    Abstract: The disclosure provides a screen anti-peeping protection layer arranged above a display panel. The screen anti-peeping protection layer includes a first polarizing layer, a second polarizing layer, a viewing angle adjusting layer and a touch sensing layer. The first polarizing layer and the second polarizing layer are sequentially arranged on a transmission path of a display beam which comes from the display panel. The viewing angle adjusting layer is arranged on the transmission path and located between the first polarizing layer and the second polarizing layer, and used for changing a range of an emitted light viewing angle of the display beam. The touch sensing layer is arranged on the transmission path, and located above the viewing angle adjusting layer and opposite to the first polarizing layer. The disclosure also provides a touch display device including the screen anti-peeping protection layer and the display panel as described above.
    Type: Application
    Filed: June 17, 2020
    Publication date: December 24, 2020
    Applicant: Coretronic Corporation
    Inventors: Ping-Yen Chen, Chung-Yang Fang, Yu-Wei Liang, Yin-Jen Lin
  • Patent number: 10871705
    Abstract: The invention provides a projection device, comprising an illumination system, a light valve, a light guide element, an optical module and a projection lens. The optical module comprises a fixed portion, a first frame body, at least one first driving element and an optical element. The first frame body is pivoted to the fixed portion and comprises a first side and other three second sides. The first driving element is configured on at least one of the other three second sides and configured to drive the first frame body to oscillate back and forth. A first virtual plane of the projection lens intersects with a second virtual plane of the light valve to form a virtual line segment. The distance between the first side and the virtual line segment is shorter than the distance between the other three second sides and the virtual line segment.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: December 22, 2020
    Assignee: Coretronic Corporation
    Inventors: Wei-Hao Chen, Shu-Yu Lin, Chia-Ching Tso