Patents Assigned to QISDA Corporation
  • Publication number: 20230420755
    Abstract: The present invention discloses a battery module, a circuit board and an battery power optimization method. The battery power optimization method includes: activating a battery unit to cause the battery unit to discharge; obtaining a voltage value and a current value of the battery unit; and driving a heating unit to heat the battery unit according to the voltage value and the current value.
    Type: Application
    Filed: February 6, 2023
    Publication date: December 28, 2023
    Applicant: Qisda Corporation
    Inventor: Shih-Min HSIANG
  • Publication number: 20230408064
    Abstract: A light source module includes a backplane, a light source, a reflective layer, a color conversion layer, and at least one optical film. The backplane has a first bottom surface, a first sidewall surface, a second bottom surface, and a second sidewall surface. The first sidewall surface is connected between the first bottom surface and the second bottom surface. The second bottom surface is higher than the first bottom surface and connected between the first sidewall surface and the second sidewall surface. The light source is disposed on the first bottom surface. The reflective layer is disposed on the second bottom surface and the second sidewall surface. The color conversion layer is disposed on the reflective layer. The at least one optical film is placed on the second bottom surface. The reflective layer and the color conversion layer are located between the at least one optical film and the backplane.
    Type: Application
    Filed: March 7, 2023
    Publication date: December 21, 2023
    Applicant: Qisda Corporation
    Inventors: Pin-Feng Yu, Jyun-Sheng Syu
  • Publication number: 20230412781
    Abstract: A frame correction method includes the following steps. Firstly, a correction frame is projected, wherein the correction frame has a number of original-boundary contour points. Then, in the first boundary contour adjustment, in response to a position adjustment of the first contour-adjusted one of the original-boundary contour points, correspondingly adjust the position of at least one symmetrical one of the original-boundary contour points, wherein at least one symmetrical one and the first contour-adjusted one are symmetrically disposed. Then, in response to the position adjustment of the first contour-adjusted one, a number of first new boundary contour points and a number of first open correction points are added.
    Type: Application
    Filed: February 2, 2023
    Publication date: December 21, 2023
    Applicant: Qisda Corporation
    Inventors: Tsai-Hsu CHENG, Chih-Wei CHO
  • Publication number: 20230410758
    Abstract: The invention provides a backlight device, an operation method, and a display device for reducing motion blur. The display device includes a display panel, a scaler integrated circuit, and a backlight device. The backlight device includes N light zones for providing a backlight to the display panel, wherein N is a positive integer. The backlight device lights each of the N light zones in a time-sharing manner in each of a plurality of scan periods. Each of the scan periods has a time length greater than or equal to a time length of a video active data period of the display panel. A continuous lighting time length of each of the N light zones is less than or equal to a quotient of the time length of the video active data period divided by N.
    Type: Application
    Filed: March 8, 2023
    Publication date: December 21, 2023
    Applicant: Qisda Corporation
    Inventor: Min-Jye Chen
  • Patent number: 11846313
    Abstract: A tamper resistant assembly applied to a tamper resistant system includes a tamper resistant screw, a housing, a lock member, a nut and a cover. The tamper resistant screw includes a head, a thread, a groove and a tip. The lock member is disposed in the housing. The lock member includes a plurality of locking blocks, wherein a deformable opening is formed between the locking blocks. The nut is disposed in the housing and covers the deformable opening. The cover is disposed in the housing. The nut is located between the lock member and the cover. When the tip of the tamper resistant screw passes through the cover and the nut sequentially and enters the deformable opening, the nut is separated from the deformable opening and the locking blocks engage with the groove. Furthermore, a detaching tool is provided to detach the tamper resistant assembly.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: December 19, 2023
    Assignee: Qisda Corporation
    Inventor: Chih-Ying Lin
  • Patent number: 11849247
    Abstract: A magnetic template with adjustable magnetic force is provided. The magnetic template is applied to a display device. The display device can be fixed on a plane by the magnetic template, wherein the magnetic template includes an assembly shell and an adjustment element. A magnetic element is arranged inside the assembly shell. The adjustment element is arranged in the assembly shell and is configured to adjust the magnetic force of the magnetic element relative to the plane or adjust the magnetic force of the magnetic element.
    Type: Grant
    Filed: March 30, 2022
    Date of Patent: December 19, 2023
    Assignee: Qisda Corporation
    Inventors: Yung-Chun Su, Hung-Mao Chen, Hui-Chieh Hu, Hsin-Che Hsieh, Shih-An Lin, Kuan-Hsu Lin, Hsin-Hung Lin, Jen-Feng Chen, Hao-Chun Tung, Yang-Zong Fan, Chih-Ming Chang
  • Patent number: 11847983
    Abstract: An image display device is provided. The image display device includes a display unit and a backlight module. The display unit is used for displaying pictures in an image frame cycle. The backlight module includes a plurality of light sources of different colors. The image frame cycle is divided into a first interval, a second interval and a third interval in sequence, and the second interval is adjacent to the first interval. The backlight module provides a white light source with a first intensity in the first interval and provides a white light source with a second intensity in the second interval, and the second intensity is smaller than the first intensity. The backlight module is turned off in the third interval.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: December 19, 2023
    Assignee: Qisda Corporation
    Inventors: Min-Jye Chen, Kuang-Hung Chien, Chia-Lin Chen
  • Publication number: 20230381817
    Abstract: An ultrasonic transducer includes a piezoelectric material layer, a first electrode layer, and a second electrode layer. The piezoelectric material layer has an ultrasonic wave emitting side and a back side opposite to the ultrasonic wave emitting side. The piezoelectric material layer has a protrusion structure or a recess structure on the back side. The protrusion structure or the recess structure overlaps a central axis of the piezoelectric material layer. The first electrode layer is disposed on the back side of the piezoelectric material layer. The second electrode layer is disposed on the ultrasonic wave emitting side of the piezoelectric material layer.
    Type: Application
    Filed: February 3, 2023
    Publication date: November 30, 2023
    Applicant: Qisda Corporation
    Inventor: Fu-Sheng Jiang
  • Publication number: 20230386124
    Abstract: A three dimensional image generation method can include projecting a plurality of first projected patterns to an object to generate a first image, capturing the first image, projecting a plurality of second projected patterns to the object to generate a second image, capturing the second image, decoding the first image to generate a first cloud point, decoding the second image to generate a second point cloud, and generating the three dimensional image of the object according to the first point cloud and the second point cloud. The first point cloud can be corresponding to a first resolution, the second point cloud can be corresponding to a second resolution, and the first resolution can be lower than the second resolution.
    Type: Application
    Filed: May 23, 2023
    Publication date: November 30, 2023
    Applicant: QISDA CORPORATION
    Inventor: Tsung-Hsi Lee
  • Patent number: 11832407
    Abstract: A support frame includes a frame body and a sliding module. The frame body has a first guiding rail and a second guiding rail, wherein the first guiding rail is opposite to the second guiding rail and the first guiding rail is made of a magnetic induction material. The sliding module is slidably disposed on the frame body. The sliding module includes a plurality of first spherical bodies and a plurality of second spherical bodies, wherein the first spherical bodies rotatably abut against the first guiding rail, the second spherical bodies rotatably abut against the second guiding rail, and at least one of the first spherical bodies is a magnetic ball.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: November 28, 2023
    Assignee: Qisda Corporation
    Inventors: Shin-Hao Wu, Han-Kuang Ho, Hsin-Hung Lin
  • Patent number: 11828456
    Abstract: A light source module includes a backplane, a light source, a reflective layer, a color conversion layer, and at least one optical film. The backplane has a first bottom surface, a first sidewall surface, a second bottom surface, and a second sidewall surface. The first sidewall surface is connected between the first bottom surface and the second bottom surface. The second bottom surface is higher than the first bottom surface and connected between the first sidewall surface and the second sidewall surface. The light source is disposed on the first bottom surface. The reflective layer is disposed on the second bottom surface and the second sidewall surface. The color conversion layer is disposed on the reflective layer. The at least one optical film is placed on the second bottom surface. The reflective layer and the color conversion layer are located between the at least one optical film and the backplane.
    Type: Grant
    Filed: March 7, 2023
    Date of Patent: November 28, 2023
    Assignee: Qisda Corporation
    Inventors: Pin-Feng Yu, Jyun-Sheng Syu
  • Patent number: 11828950
    Abstract: A light source module includes a first light-splitting element, a second light-splitting element, a first light source, a second light source and a third light source. The first light source is configured to emit first light having a first wavelength to the first light-splitting element in a first optical path direction. The second light source is configured to emit second light having the first wavelength to the second light-splitting element in a second optical path direction opposite to the second optical path direction. The third light source is configured to emit third light having a second wavelength in a third optical path direction substantially perpendicular to the first optical path direction. The first light source includes a first reflective layer, the second light source includes a second reflective layer, wherein the first reflective layer and the second reflective layer are configured to reflect light having the first wavelength.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: November 28, 2023
    Assignee: Qisda Corporation
    Inventors: Chih-Shiung Chien, Ming-Kuen Lin, Yi-Ling Lo, Tsung-Hsun Wu
  • Patent number: 11828547
    Abstract: A heat-dissipating device includes a casing and a heat dissipating fin set. The casing has a first hole structure. The heat dissipating fin set includes a protruding fin, a sheltering component and a bridging component. A hollow chamber of the protruding fin has a first opening and a second opening adjacent to each other. The first opening is connected to an inner space of the casing. The sheltering component is disposed on the protruding fin to shelter the second opening. The bridging component is connected to the protruding fin and fixed onto the first hole structure.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: November 28, 2023
    Assignee: Qisda Corporation
    Inventors: Chi-Cheng Lin, Po-Fu Wu, Hung-Jen Wei
  • Patent number: 11831857
    Abstract: A structured light scanning method includes a light projector projecting a group of structured light to an object, an image capturing device capturing a group of images generated by the object reflecting the group of structured light, an image processor obtaining a pixel luminosity distribution of an image in the group of images, the image processor determining a reflection state of the image from the pixel luminosity distribution, the image processor determining whether to include the image in generating a depth map according to the reflection state, and the image processor decoding at least one image from the group of images to generate the depth map.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: November 28, 2023
    Assignee: Qisda Corporation
    Inventors: Chuang-Wei Wu, Yen-Tsun Lin
  • Publication number: 20230380078
    Abstract: A display device, including a main casing and a display assembly, is provided. The main casing has a hook, a position-limiting pillar, and a position-limiting block. The position-limiting block is adjacent to the position-limiting pillar. The display assembly includes a frame and a display panel. The frame has a side wall, and the hook is located behind the side wall in a front-rear direction of the display device and is engaged with the frame. The position-limiting pillar penetrates the display assembly along the front-rear direction, and the position-limiting block leans against the display assembly along the front-rear direction. The display panel is disposed in the frame, and the side wall surrounds a periphery of the display panel.
    Type: Application
    Filed: January 18, 2023
    Publication date: November 23, 2023
    Applicant: Qisda Corporation
    Inventor: Chun-Ting Chen
  • Publication number: 20230362345
    Abstract: A structured light scanning method includes a light projector projecting a group of structured light to an object, an image capturing device capturing a group of images generated by the object reflecting the group of structured light, an image processor obtaining a pixel luminosity distribution of an image in the group of images, the image processor determining a reflection state of the image from the pixel luminosity distribution, the image processor determining whether to include the image in generating a depth map according to the reflection state, and the image processor decoding at least one image from the group of images to generate the depth map.
    Type: Application
    Filed: June 1, 2022
    Publication date: November 9, 2023
    Applicant: QISDA CORPORATION
    Inventors: Chuang-Wei Wu, Yen-Tsun Lin
  • Publication number: 20230352620
    Abstract: A display device includes a display, at least one light emitting element and at least one reflector. The display has a display surface and a back surface opposite to each other, and the display surface faces a front of the display. The light emitting element is disposed on the back surface. The reflector is slidably connected to the back surface and has a reflecting surface. When the reflector slides to a first position, the reflecting surface is hidden. When the reflector slides to a second position, the reflecting surface is exposed, such that light emitted from the light emitting element is reflected toward the front of the display by the reflecting surface.
    Type: Application
    Filed: November 29, 2022
    Publication date: November 2, 2023
    Applicant: Qisda Corporation
    Inventors: Yung-Chun Su, Yu-Liang Cheng, Sheng-Chan Chen
  • Patent number: 11803117
    Abstract: A light source module including first and second light sources, first and second wavelength conversion units, first and second light-splitting units is provided. The first light source emits a first light having a first wavelength. The first wavelength conversion unit converts at least one portion of the first light into a first converted light having a second wavelength. The second light-splitting unit allows the light having the first wavelength to travel through and reflects the light having the second wavelength. The second light source emits a second light having the first wavelength. The second wavelength conversion unit converts at least one portion of the second light into a second converted light having the second wavelength. The first light-splitting unit disposed between the first and the second wavelength conversion units reflects the light having the first wavelength and allow the light having the second wavelength to travel through.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: October 31, 2023
    Assignee: Qisda Corporation
    Inventors: Chih-Shiung Chien, Ming-Kuen Lin, Tsung-Hsun Wu, Yi-Ling Lo
  • Patent number: 11802657
    Abstract: A display device includes a screen, a screen support and a fixing module. The screen support is pivotally connected to the screen, and the screen support includes a first end and a second end. The fixing module is detachably connected to the screen support and includes a first sub-component and a second sub-component. The first sub-component has a first surface and a second surface, and the first sub-component is selectively connected to one of the first end and the second end. The second sub-component has a third surface and a fourth surface, and the second sub-component is configured for clamping a board. One of the first surface and the second surface of the first sub-component and one of the third surface and the fourth surface of the second sub-component are detachably connected.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: October 31, 2023
    Assignee: Qisda Corporation
    Inventors: Hsin-Che Hsieh, Shih-An Lin, Kuan-Hsu Lin, Hsin-Hung Lin, Yung-Chun Su, Jen-Feng Chen, Hao-Chun Tung, Yang-Zong Fan, Chih-Ming Chang
  • Publication number: 20230345120
    Abstract: A dual purpose camera is provided. The dual purpose camera has a doccam mode and a webcam mode. The dual purpose camera includes a base, a supporting member, and a camera. The supporting member is detachably or rotatably coupled to the base. The camera is rotatably or detachably coupled to the supporting member. The camera rotates with respect to a reference plane of the dual purpose camera between a first position and a second position. When it is detected that the camera is attached to the base and the camera rotates from the first position to the second position, the camera automatically outputs a 180 degree rotated image.
    Type: Application
    Filed: January 12, 2023
    Publication date: October 26, 2023
    Applicant: Qisda Corporation
    Inventors: Chia-Hsin OU, Wen-Ming WU, Yu-Shuo FAN, Shu-Fen KE, Yu-Chia CHEN