Patents Assigned to QISDA Corporation
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Publication number: 20240004207Abstract: A laser projector includes a light combining device, a light splitting system, a plurality of light valves, and a beam combiner. The light combining device is for emitting an illumination beam. The light splitting system is for receiving the illumination beam to generate a plurality of color beams. The plurality of light valves is for receiving and modulating the plurality of color beams to generate modulated color beams. The beam combiner is for combining the modulated color beams to form a full-color image.Type: ApplicationFiled: July 17, 2023Publication date: January 4, 2024Applicant: QISDA CORPORATIONInventors: Chun-Hao Hu, Tsung-Hsun Wu, Ching-Shuai Huang, Ping-Chung Chou
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Publication number: 20230415196Abstract: An ultrasonic transducer module including a first electrode layer, a second electrode layer, a first piezoelectric material layer, a third electrode layer, a fourth electrode layer, a second piezoelectric material layer, and an insulation layer is provided. The first piezoelectric material layer is disposed between the first electrode layer and the second electrode layer. The second electrode layer is disposed between the first piezoelectric material layer and the third electrode layer. The second piezoelectric material layer is disposed between the third electrode layer and the fourth electrode layer. The insulation layer is disposed between the second electrode layer and the third electrode layer.Type: ApplicationFiled: March 13, 2023Publication date: December 28, 2023Applicant: Qisda CorporationInventor: Fu-Sheng Jiang
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Publication number: 20230420755Abstract: 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: ApplicationFiled: February 6, 2023Publication date: December 28, 2023Applicant: Qisda CorporationInventor: Shih-Min HSIANG
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Publication number: 20230410758Abstract: 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: ApplicationFiled: March 8, 2023Publication date: December 21, 2023Applicant: Qisda CorporationInventor: Min-Jye Chen
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Publication number: 20230408064Abstract: 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: ApplicationFiled: March 7, 2023Publication date: December 21, 2023Applicant: Qisda CorporationInventors: Pin-Feng Yu, Jyun-Sheng Syu
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Publication number: 20230412781Abstract: 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: ApplicationFiled: February 2, 2023Publication date: December 21, 2023Applicant: Qisda CorporationInventors: Tsai-Hsu CHENG, Chih-Wei CHO
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Patent number: 11849247Abstract: 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: GrantFiled: March 30, 2022Date of Patent: December 19, 2023Assignee: Qisda CorporationInventors: 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
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Patent number: 11846313Abstract: 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: GrantFiled: December 7, 2020Date of Patent: December 19, 2023Assignee: Qisda CorporationInventor: Chih-Ying Lin
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Patent number: 11847983Abstract: 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: GrantFiled: May 27, 2022Date of Patent: December 19, 2023Assignee: Qisda CorporationInventors: Min-Jye Chen, Kuang-Hung Chien, Chia-Lin Chen
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Publication number: 20230386124Abstract: 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: ApplicationFiled: May 23, 2023Publication date: November 30, 2023Applicant: QISDA CORPORATIONInventor: Tsung-Hsi Lee
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Publication number: 20230381817Abstract: 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: ApplicationFiled: February 3, 2023Publication date: November 30, 2023Applicant: Qisda CorporationInventor: Fu-Sheng Jiang
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Patent number: 11832407Abstract: 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: GrantFiled: December 23, 2020Date of Patent: November 28, 2023Assignee: Qisda CorporationInventors: Shin-Hao Wu, Han-Kuang Ho, Hsin-Hung Lin
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Patent number: 11828456Abstract: 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: GrantFiled: March 7, 2023Date of Patent: November 28, 2023Assignee: Qisda CorporationInventors: Pin-Feng Yu, Jyun-Sheng Syu
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Patent number: 11828950Abstract: 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: GrantFiled: April 27, 2022Date of Patent: November 28, 2023Assignee: Qisda CorporationInventors: Chih-Shiung Chien, Ming-Kuen Lin, Yi-Ling Lo, Tsung-Hsun Wu
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Patent number: 11831857Abstract: 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: GrantFiled: June 1, 2022Date of Patent: November 28, 2023Assignee: Qisda CorporationInventors: Chuang-Wei Wu, Yen-Tsun Lin
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Patent number: 11828547Abstract: 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: GrantFiled: March 2, 2021Date of Patent: November 28, 2023Assignee: Qisda CorporationInventors: Chi-Cheng Lin, Po-Fu Wu, Hung-Jen Wei
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Publication number: 20230380078Abstract: 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: ApplicationFiled: January 18, 2023Publication date: November 23, 2023Applicant: Qisda CorporationInventor: Chun-Ting Chen
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Publication number: 20230362345Abstract: 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: ApplicationFiled: June 1, 2022Publication date: November 9, 2023Applicant: QISDA CORPORATIONInventors: Chuang-Wei Wu, Yen-Tsun Lin
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Publication number: 20230352620Abstract: 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: ApplicationFiled: November 29, 2022Publication date: November 2, 2023Applicant: Qisda CorporationInventors: Yung-Chun Su, Yu-Liang Cheng, Sheng-Chan Chen
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Patent number: 11802657Abstract: 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: GrantFiled: January 24, 2022Date of Patent: October 31, 2023Assignee: Qisda CorporationInventors: 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