Patents Assigned to HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
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Publication number: 20230107836Abstract: A touch panel is disclosed. The touch panel includes a substrate, a touch layer positioned on the substrate, and a photochromic layer positioned on the touch layer. The photochromic layer includes a photosensitive resistor layer positioned on the touch layer and connecting to the touch layer, and a color-changing cathode layer, positioned on the photosensitive resistor layer.Type: ApplicationFiled: July 9, 2020Publication date: April 6, 2023Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Dongchen Huang, Chingyuan Cheng
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Patent number: 11538429Abstract: The present disclosure provides a method, a device, a system, and a display device for adjusting a luminance viewing angle of a liquid crystal display panel. The method obtains an actual value of a luminance viewing angle corresponding to a current image, adjusts a positive and negative polarity driving voltage when the actual value is less than a threshold value to obtain a relational expression between the positive and negative polarity driving voltage and the luminance viewing angle, processes a difference value between the actual value and the threshold value to obtain a target driving voltage value, and adjusts the positive and negative polarity driving voltage according to the target driving voltage value, thereby realizing adjustment of the luminance viewing angle.Type: GrantFiled: January 7, 2020Date of Patent: December 27, 2022Assignee: Huizhou China Star Optoelectronics Technology Co., Ltd.Inventor: Bo Hai
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Patent number: 11513374Abstract: The present invention provides a display panel and a display device. The display panel includes an array substrate, a color film substrate disposed on the array substrate, and a photochromic glass layer disposed on the color film substrate. A color change region is formed when an ultraviolet laser irradiates the photochromic glass layer, and the color change region filters passing lights. The display panel further includes a plurality of scattered particles distributed on the photochromic glass layer.Type: GrantFiled: November 8, 2019Date of Patent: November 29, 2022Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Dongchen Huang, Yuexia Lin, Hongji Li
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Patent number: 11494014Abstract: The present application provides a touch panel, a touch display device, and a fabrication method thereof. The touch panel includes an encapsulation cover and a touch substrate disposed oppositely; and a first sealant disposed between the encapsulation cover and the touch substrate, wherein the encapsulation cover, the touch substrate, and the first sealant are enclosed to form a first cavity, and the first cavity is filled with a transparent filling layer.Type: GrantFiled: July 9, 2020Date of Patent: November 8, 2022Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Chingyuan Cheng
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Patent number: 11430369Abstract: The present invention provides a determining method of a gamma value and a device thereof, and a display terminal. The method includes obtaining a plurality of target gray scales from a gray scale range of a display panel; determining a local gamma value of each of the target gray scales of the plurality of the target gray scales; determining an approximate gamma value of the display panel according to the local gamma value of the plurality of the target gray scales; and determining a gamma value of the display panel according to the approximate gamma value.Type: GrantFiled: May 13, 2020Date of Patent: August 30, 2022Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO, LTD.Inventor: Yun Zhang
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Patent number: 11353744Abstract: A backlight module and a display device are provided. The backlight module includes a glass back plate. The glass back plate includes a flat portion and at least one scattering portion disposed on the flat portion. An inner surface of the at least one scattering portion is provided with a diffusion layer. The backlight module and the display device can simplify a process of the backlight module and improve an assembly performance.Type: GrantFiled: August 16, 2019Date of Patent: June 7, 2022Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Linlin Fu, Dehua Li
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Patent number: 11314080Abstract: A method of adjusting a chromatic aberration of a display device includes defining a tolerance scope of chromatic aberration; determining a varying scope of chromatic aberration of the display device according to chromatic aberrations of the plurality of display screens; defining a plurality of adjusting levels of chromatic aberration according to the tolerance scope of chromatic aberration and the varying scope of chromatic aberration; setting a color offset value corresponding to each of the plurality of adjusting levels of chromatic aberration; and for each of the plurality of display screens, selecting a corresponding adjusting level of chromatic aberration in comparison to one of the plurality of display screens, and inputting a corresponding color offset value of the selected adjusting level of chromatic aberration to each of the plurality of display screens.Type: GrantFiled: August 14, 2019Date of Patent: April 26, 2022Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Chingyuan Chen
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Patent number: 11316083Abstract: An embodiment of the present invention discloses a backlight module and a display device. The backlight module includes a circuit board. A side surface of the circuit board is provided with a plurality of light emitting elements spaced apart from each other. A light output surface of at least one of the light emitting elements is covered with a first encapsulation layer. A side surface of the first encapsulation layer away from the at least one light emitting elements is a curved surface.Type: GrantFiled: November 5, 2019Date of Patent: April 26, 2022Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yuexia Lin, Yongyuan Qiu
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Patent number: 11306893Abstract: A display device includes a display panel and a backlight module. The backlight module includes a plurality of light sources arranged on a bottom plate, a plurality of lenses disposed on a light emission surface of the light sources, and a diffuser board is on the lens. The lens includes a lens body disposed on the light emission surface of the light source, and a supporting portion disposed between the lens body and the diffuser board. The lens body is configured to diffuse light from the light source, with the supporting portion configured to support the diffuser board.Type: GrantFiled: May 21, 2019Date of Patent: April 19, 2022Assignee: Huizhou China Star Optoelectronics Technology Co., Ltd.Inventors: Zanjia Su, Gang Yu, Yongyuan Qiu, Jianyu Chang, Linlin Fu, Zhuping Luo
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Patent number: 11309260Abstract: A chip on film structure and a display device including chip on film structure, the chip on film structure including a film substrate including a body area, a plurality of traces, and a bonding area at opposite ends of the film substrate; at least one chip, the chip disposed in the body area through bonding and electrically connected to the display panel through the plurality of traces and the bonding area; and a guiding member disposed at one end of the film substrate connected to the display panel and covering the bonding area.Type: GrantFiled: September 20, 2019Date of Patent: April 19, 2022Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Xiaohua Li
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Publication number: 20220114940Abstract: The present invention provides a determining method of a gamma value and a device thereof, and a display terminal. The method includes obtaining a plurality of target gray scales from a gray scale range of a display panel; determining a local gamma value of each of the target gray scales of the plurality of the target gray scales; determining an approximate gamma value of the display panel according to the local gamma value of the plurality of the target gray scales; and determining a gamma value of the display panel according to the approximate gamma value.Type: ApplicationFiled: May 13, 2020Publication date: April 14, 2022Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yun ZHANG
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Patent number: 11287914Abstract: A touch display device is disclosed, including a display panel and a touch layer, a sealant disposed between the touch layer and the display panel, the sealant, the touch layer, and the display panel forming a sealed cavity. An air pressure intensity inside the sealed cavity is less than a preset value.Type: GrantFiled: August 3, 2020Date of Patent: March 29, 2022Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Dongchen Huang, Chingyuan Cheng
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Patent number: 11281048Abstract: A quantum dot light emitting diode (LED) backlight source which includes a light source quantum dot diaphragm, a support diaphragm, and a prism sheet which are disposed sequentially. The light source quantum dot diaphragm includes a flexible printed circuit board, a mini light emitting diode layer, and a quantum dot film layer which are disposed sequentially. The mini light emitting diode layer includes a plurality of mini light emitting diodes spaced apart, the quantum dot film layer and the mini light emitting diode layer are bonded together.Type: GrantFiled: August 16, 2019Date of Patent: March 22, 2022Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Lianyan Song, Yongyuan Qiu
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Publication number: 20220051601Abstract: A method and a system for improving a performance at different viewing angles associated with displaying different human skin colors are provided. Based on a V-T curve and an XYZ data of WRGB at different viewing angles are measured in a case of proportions of RGB being the same, by setting different proportions of the RGB, a V-T curve and an XYZ data of the WRGB at different viewing angles are simulated under the above proportions. By extracting a characteristic RGB grayscale value of an image to be improved associated with viewing angles, a performance of the characteristic RGB grayscale value at different viewing angles is simulated. The proportions of the RGB are constantly adjusted to meet specifications.Type: ApplicationFiled: November 7, 2019Publication date: February 17, 2022Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yuecu LIN
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Publication number: 20210408346Abstract: An embodiment of the present invention discloses a backlight module and a display device. The backlight module includes a circuit board. A side surface of the circuit board is provided with a plurality of light emitting elements spaced apart from each other. A light output surface of at least one of the light emitting elements is covered with a first encapsulation layer. A side surface of the first encapsulation layer away from the at least one light emitting elements is a curved surface.Type: ApplicationFiled: November 5, 2019Publication date: December 30, 2021Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yuexia LIN, Yongyuan QIU
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Publication number: 20210407931Abstract: A chip on film structure and a display device including chip on film structure, the chip on film structure including a film substrate including a body area, a plurality of traces, and a bonding area at opposite ends of the film substrate; at least one chip, the chip disposed in the body area through bonding and electrically connected to the display panel through the plurality of traces and the bonding area; and a guiding member disposed at one end of the film substrate connected to the display panel and covering the bonding area.Type: ApplicationFiled: September 20, 2019Publication date: December 30, 2021Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Xiaohua Li
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Patent number: 11209924Abstract: The present disclosure relates to a bezel-less touch display module and a manufacturing method thereof. The bezel-less touch display module includes: a display panel, a touch layer configured on the display panel, at least one flexible circuit board electrically connected to two sides of the touch layer, and packaging glue configured to enclose a lateral side of the touch layer and two sides of the flexible circuit board. As such, appearance of the touch display module may be improved by replacing the bezel by the packaging glue, and the demands of the appearance of the bezel-less products may be satisfied.Type: GrantFiled: September 14, 2018Date of Patent: December 28, 2021Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yuchun Hsiao, Xiaohong Jing
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Publication number: 20210357046Abstract: A capacitive touch display screen and a display are provided. The capacitive touch display screen consists of a touch conductive film and a display module bonded with each other. A capacitive touch display comprises the capacitive touch display screen and a cover disposed thereover.Type: ApplicationFiled: September 11, 2019Publication date: November 18, 2021Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Chingyuan CHEN, Quan LI, Guofu TANG, Yuchun HSIAO, Weifeng CHEN
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Publication number: 20210357053Abstract: A touch display device and manufacturing method thereof, and the touch display device includes a display panel, a touch panel, an optical clear adhesive layer, a diffuse reflection film layer, and a cover plate. The touch panel is disposed on a surface of a side of the display panel; the optical clear adhesive layer is disposed on a surface of a side of the display panel away from the touch panel, and the optical clear adhesive layer encircles to form a vacuum region close to an edge of the touch panel; the diffuse reflection film layer is disposed in the vacuum region; and the cover plate is disposed on a surface of a side of the optical clear adhesive layer and the diffuse reflection film layer away from the display panel.Type: ApplicationFiled: October 31, 2019Publication date: November 18, 2021Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Quan LI, Yuchun HSIAO, Guofu TANG
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Patent number: 11175535Abstract: A backlight module, a liquid crystal display and a spliced display device are provided. The backlight module is configured to provide a back light source to the display panel. The backlight module includes a backlight panel. The backlight panel includes a frame and an opening; the opening corresponds to the display area of the display panel. The frame corresponds to the non-display area of the display panel. A first extension portion extends from the first sub-frame in a direction away from opening. In the above manner, the present application is capable of physically reducing the width of the seam between the two adjacent splicing screens by half.Type: GrantFiled: August 23, 2018Date of Patent: November 16, 2021Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yaqi Qu