Patents Assigned to QISDA Corporation
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Patent number: 12152764Abstract: A lamp device applicable to a display includes a lamp main body, a lamp arm component, a lamp light component and a fixing base. The fixing base is arranged on the back surface of the display, so that the lamp main body can be positioned on the fixing base to be arranged on the back surface. When the lamp arm component is rotated to the first position relative to the lamp main body, the lamp light component has a first height relative to the display, so that a first use state is provided. When the lamp arm component is rotated to the second position relative to the lamp main body, the lamp light component can be detached from the lamp arm component and then reversely installed thereon. The lamp light component has a second height different relative to the display, so that a second use state is provided.Type: GrantFiled: April 29, 2024Date of Patent: November 26, 2024Assignee: Qisda CorporationInventors: Li-Chuan Lin, Yung-Ming Yen, Min-Han Zhan
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Publication number: 20240385503Abstract: An alignment module includes a light source module, a collimator lens, a wavelength transformation module, a polarizing beamsplitter and a quarter wave plate. The light source module provides a first illumination beam with a first polarization state. The wavelength transformation module receives the first illumination beam to generate an actuation beam and reflect the first illumination beam. The polarizing beamsplitter is disposed between the light source module and the collimator lens and allows passing of the actuation beam. The quarter wave plate is disposed on a downstream of the polarizing beamsplitter. The first illumination beam with the first polarization state is transformed into a second illumination beam with a second polarization state via the quarter wave plate.Type: ApplicationFiled: May 5, 2024Publication date: November 21, 2024Applicant: QISDA CORPORATIONInventors: Jia-Ming Zhang, Ching-Tze Huang, Tsung-Hsun Wu
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Publication number: 20240389248Abstract: A support frame includes a movable element, a switch assembly, and at least one elastic element. The movable element includes a body, a first cavity, and a second cavity. The switch assembly includes a button and a cam. The elastic element is disposed in the electronic body and at least connected between the switch assembly and the electronic body. When the elastic element pushes the switch assembly so that the switch assembly is in a first position, the cam is inserted into the first cavity or the second cavity of the movable element to limit the rotation of the movable element relative to the electronic body. When the switch assembly linearly moves to a second position by resisting at least one elastic force of the elastic element, the movable element rotates relative to the electronic body to expand or close to the electronic body.Type: ApplicationFiled: March 20, 2024Publication date: November 21, 2024Applicant: Qisda CorporationInventor: Kuang-Heng Lu
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Publication number: 20240384857Abstract: An alignment module includes a light source module, a collimator lens, a wavelength transformation module, a polarizing beamsplitter and a quarter wave plate. The light source module provides a first illumination beam with a first polarization state. The wavelength transformation module receives the first illumination beam to generate an actuation beam and reflect the first illumination beam. The polarizing beamsplitter is disposed between the light source module and the collimator lens and allows passing of the actuation beam. The quarter wave plate is disposed on a downstream of the polarizing beamsplitter. The first illumination beam with the first polarization state is transformed into a second illumination beam with a second polarization state via the quarter wave plate.Type: ApplicationFiled: May 5, 2024Publication date: November 21, 2024Applicant: QISDA CORPORATIONInventors: Jia-Ming Zhang, Ching-Tze Huang, Tsung-Hsun Wu
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Publication number: 20240384853Abstract: An illumination module includes a light source, a reflective light valve, a lens, and a diffuser. The light source is configured to emit an illumination beam. The reflective light valve is disposed on a path of the illumination beam, and includes multiple pixels. A pixel in a first state among the pixels is configured to reflect the illumination beam into an effective beam. A pixel in a second state among the pixels is configured to reflect the illumination beam into an auxiliary beam. The lens is disposed on a path of the effective beam, and configured to project the effective beam to an area to be illuminated. The diffuser is configured to diffuse the auxiliary beam from the reflective light valve into a diffused light. The lens is configured to project the diffused light to the area to be illuminated.Type: ApplicationFiled: April 16, 2024Publication date: November 21, 2024Applicant: Qisda CorporationInventor: Chao-Shun Yu
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Publication number: 20240377050Abstract: A lamp device applicable to a display includes a lamp main body, a lamp arm component, a lamp light component and a fixing base. The fixing base is arranged on the back surface of the display, so that the lamp main body can be positioned on the fixing base to be arranged on the back surface. When the lamp arm component is rotated to the first position relative to the lamp main body, the lamp light component has a first height relative to the display, so that a first use state is provided. When the lamp arm component is rotated to the second position relative to the lamp main body, the lamp light component can be detached from the lamp arm component and then reversely installed thereon. The lamp light component has a second height different relative to the display, so that a second use state is provided.Type: ApplicationFiled: April 29, 2024Publication date: November 14, 2024Applicant: Qisda CorporationInventors: Li-Chuan LIN, Yung-Ming YEN, Min-Han ZHAN
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Publication number: 20240379035Abstract: An adjustment method of screen brightness comprises the following steps. Step (a): obtaining a relationship between a brightness and refresh rate of the screen. Step (b): adjusting the screen to a highest refresh rate and displaying an image at a first brightness. Step (c): decreasing the first brightness by a unit brightness value and variably displaying the image between a first refresh rate and a second refresh rate. Step (d): determining whether the image does not flicker; if not, repeating step (c). Step (e): calculating a first brightness difference between a decreased brightness of the screen and a brightness corresponding to a lowest refresh rate when the image does not flicker. Step (f): determining whether the first brightness difference is less than a screen flicker threshold; if yes, decreasing the first brightness corresponding to the highest refresh rate to obtain an adjusted brightness corresponding to the highest refresh rate.Type: ApplicationFiled: January 10, 2024Publication date: November 14, 2024Applicant: Qisda CorporationInventors: Yi-Zong JHAN, Tse-Wei FAN, Chun-Chang WU, Jen-Hao LIAO, Wei-Yu CHEN, Feng-Lin CHEN, Fu-Tsu YEN
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Patent number: 12135495Abstract: A light combining structure including a first beam splitter, a first light source, a second light source and a second beam splitter is provided. The first light source is disposed on a first side of the first beam splitter to emit a first light and is provided with a first reflection surface. The second light source is disposed on a second side of the first beam splitter to emit a second light and is provided with a second reflection surface. The second beam splitter is disposed on a third side of the first beam splitter, wherein the first beam splitter allows the first light and the second light to partially reflect and partially penetrate, and the first reflection surface, the second reflection surface and the second beam splitter allow the first light and the second light to enter a fourth side of the first beam splitter after being reflected.Type: GrantFiled: June 17, 2022Date of Patent: November 5, 2024Assignee: Qisda CorporationInventors: Chih-Shiung Chien, Ming-Kuen Lin, Tsung-Hsun Wu
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Patent number: 12135473Abstract: The display device includes a display panel and a backlight module on the display panel. The backlight module includes light guide plate having a light incident surface, a light emitting surface facing the display panel and a reflection surface. Two sides of the light incident surface connect the light emitting surface and the reflection surface respectively. The reflection surface includes a first periphery light guide region, a second periphery light guide region, and a middle light guide region between the first periphery light guide region and the second periphery light guide region. The first periphery light guide region includes first microstructures. The second periphery light guide region includes second microstructures. The first microstructures have first light guide inclined surfaces inclined towards the second periphery light guide region. The second microstructures have second light guide inclined surfaces inclined towards the first periphery light guide region.Type: GrantFiled: June 15, 2023Date of Patent: November 5, 2024Assignee: Qisda CorporationInventors: Chang-Min Shao, Chien-Hao Kao, Chih-Chun Chang, Jyun-Sheng Syu
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Publication number: 20240361680Abstract: A laser projection apparatus includes a reflecting unit, a reflecting diffuser, a first lens array having a length and a width, a condensing lens having first and second lens portions and first and second center axes, a laser set emitting a first color light, an imaging module, and a projection lens. The reflecting unit reflects the first color light to the first lens portion. The reflecting diffuser reflects the first color light to travel along a light-exit axis of the second lens portion. The first lens array is disposed on the light-exit axis. The length along the first center axis and the width along the second center axis are less than or equal to one half of a diameter of the condensing lens and the diameter, respectively. The imaging module is disposed on the light-exit axis. The imaging module and the projection lens receive the first color light sequentially.Type: ApplicationFiled: March 18, 2024Publication date: October 31, 2024Applicant: QISDA CORPORATIONInventors: Chih-Shiung Chien, Ming-Kuen Lin, Tsung-Hsun Wu
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Patent number: 12123767Abstract: A light sensor includes an optoelectronic device and a light guide element. The light guide element has a first light incident surface and a light exit surface, so as to allow an incident light to enter the light guide element from the first light incident surface and then exit to the optoelectronic device from the light exit surface; wherein at least one of the light incident surface and the light exit surface has a single curved surface.Type: GrantFiled: June 6, 2022Date of Patent: October 22, 2024Assignee: Qisda CorporationInventors: Che-Yi Lai, Chun-Ming Shen, Chin-Kuei Lee, Chih-Chia Chen
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Publication number: 20240337914Abstract: A light source module includes a casing, a first light source disposed in the casing to emit a first light, a first semi-transparent and semi-reflective mirror disposed in the casing and located on an optical path of the first light, and a heat dissipation member disposed in the casing and located on a second axis of the first semi-transparent and semi-reflective mirror. A first part of the first light passes through the first semi-transparent and semi-reflective mirror or is reflected by the first semi-transparent and semi-reflective mirror and then travels along a first axis. A second part of the first light is reflected by the first semi-transparent and semi-reflective mirror or passes through the first semi-transparent and semi-reflective mirror and then travels along a second axis. The first part is more than the second part. The second part of the first light is directed to the heat dissipation member.Type: ApplicationFiled: March 13, 2024Publication date: October 10, 2024Applicant: Qisda CorporationInventors: Hsin-Liang Chen, Sheng-Wen Hu, Chun Ming Shen
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Publication number: 20240331644Abstract: The invention provides a display device. The display device includes a display unit and a processing unit. The processing unit is coupled to the display unit. The processing unit provides a user interface through the display unit to prompt a user to adjust at least one response effect. The processing unit presents an image quality checking animation through the display unit or the user interface. The processing unit reflects an adjustment of the response effect in the image quality checking animation in real time.Type: ApplicationFiled: February 26, 2024Publication date: October 3, 2024Applicant: Qisda CorporationInventors: Chun-Chang Wu, Chi-Hsing Chang, Yan-Neng Fang, Min-Jye Chen
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Patent number: 12106726Abstract: A display device is provided. 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: GrantFiled: March 8, 2023Date of Patent: October 1, 2024Assignee: Qisda CorporationInventor: Min-Jye Chen
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Patent number: 12108196Abstract: 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: GrantFiled: February 2, 2023Date of Patent: October 1, 2024Assignee: Qisda CorporationInventors: Tsai-Hsu Cheng, Chih-Wei Cho
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Patent number: 12105914Abstract: A touch detection method includes the following steps: (1). providing a touch display device, wherein the touch display device includes a plurality of LED units and a plurality of switches, each LED unit includes a LED and a photo sensor, and the switches are electrically coupled to the LED units; and (2). enabling the LED and a photo sensor coupled to the conductive one non-simultaneously during a conductive period of a conductive one of the switches. As a result, an influence of a touch detection of the photo sensor by a light emission of the LED could be reduced.Type: GrantFiled: June 2, 2022Date of Patent: October 1, 2024Assignee: Qisda CorporationInventor: Chih-Ming Chang
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Publication number: 20240323321Abstract: A vehicle-based monitoring system, a vehicle-based monitoring method, and a drone are provided. The monitoring method includes: capturing a first image by a first image capture device of the vehicle; extending a feedback interval of the first image by the vehicle in response to a first included angle between a first line of sight of the first image capture device and a travel direction of the vehicle being greater than an angle threshold; and feedbacking the first image according to the feedback interval by the vehicle.Type: ApplicationFiled: February 16, 2024Publication date: September 26, 2024Applicant: Qisda CorporationInventor: Po-Fu Wu
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Publication number: 20240302726Abstract: A projection apparatus and an overheating protection method thereof are provided. An initial stable temperature corresponding to an initial accumulated usage time during an initial usage period is obtained by using a temperature sensor in the projection apparatus. At least one stable temperature respectively corresponding to at least one accumulated usage time is obtained by using the temperature sensor in the projection apparatus. An estimated time corresponding to a target temperature is estimated according to the initial accumulated usage time, the initial stable temperature, the at least one stable temperature, and the at least one accumulated usage time. A temperature protection operation of the projection apparatus is executed in response to a current accumulated usage time of the projection apparatus exceeding the estimated time.Type: ApplicationFiled: February 15, 2024Publication date: September 12, 2024Applicant: Qisda CorporationInventors: Chia-Chun Hsu, Chih-Wei Cho
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Publication number: 20240297478Abstract: An optical engine module including a plastic housing, a first light source, and a light path turning unit is disclosed. The plastic housing has a first light incident side and a light emerging side. The light emerging side is adjacent to the light incident side. The first light source is disposed on the first light incident side, and configured to emit a first beam. The light path turning unit is disposed in the plastic housing, and configured to turn and transmit the first beam to the light emerging side. A material of the light path turning unit includes metal.Type: ApplicationFiled: January 18, 2024Publication date: September 5, 2024Applicant: Qisda CorporationInventors: Wen-Chung Ho, Tsung-Hsun Wu, Cheng-Hsun Wu
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Patent number: 12072079Abstract: A lamp for a laptop includes a lamp arm, a base, and a lamp body. The lamp arm has a connecting element and a first electrical contact located at the connecting element. The base has a first rotating shaft portion fixedly connected to the connecting element. The lamp body includes a casing, a circuit board, a second electrical contact, and a flexible circuit board. The casing has a second rotating shaft portion adapted to rotate relative to the first rotating shaft portion. The circuit board is disposed in the casing. The second electrical contact passing through the first rotating shaft portion is configured to contact the first electrical contact. The flexible circuit board is electrically connected between the circuit board and the second electrical contact. When the lamp body is rotated, the relative position of the second electrical contact and the first electrical contact is fixed.Type: GrantFiled: January 3, 2024Date of Patent: August 27, 2024Assignee: Qisda CorporationInventor: Min Han Zhan