Patents Assigned to Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
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Publication number: 20240107787Abstract: The present invention relates to a display panel and a manufacturing method of the display panel. A charge generation layer of the present invention is produced using a mixture of an n-type organic material, a p-type organic material, and a polar solvent. The n-type organic material and the p-type organic material are mixed to form the charge generation layer, so that a contact area between the n-type organic material and the p-type organic material is increased. Accordingly, the present invention improves the transfer efficiency of charges, improves chances of separation of electrons and holes, and finally improves the charge generation efficiency of the charge generation layer. Therefore, the present invention avoids the use of a fine metal mask (FMM) in an evaporation process. Consequently, the present application reduces production costs and can be used in large-size-screen G8.6 production lines.Type: ApplicationFiled: October 28, 2022Publication date: March 28, 2024Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Shuren Zhang
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Publication number: 20240107813Abstract: The embodiments of the present application provide an OLED display panel. According to the OLED display panel provided by the embodiments in the present application, by disposing a first reflective layer on the wall of the through hole on the bank layer, since the first reflective layer is capable of reflecting light emitted to the wall of the through hole by the light emitting functional layer, the reflected light comes out from the second end of the through hole, so that the brightness and the light extraction efficiency of the OLED display panel can be enhanced, and the view angle can be expanded as well.Type: ApplicationFiled: September 29, 2021Publication date: March 28, 2024Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Hongyun HE
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Patent number: 11942584Abstract: In the embodiments of the present invention, a glass substrate in a micro display panel includes a first surface and a second surface arranged opposite to one another, and a first terminal and a second terminal arranged opposite to one another. An insulation layer disposed on the first surface. A thin film transistor layer disposed on a surface of the insulation layer away from the glass substrate. A micro light-emitting diode layer disposed on a surface of the thin film transistor layer away from the insulation layer. A terminal of the insulation layer, the thin film transistor layer, and the micro light-emitting diode layer close to the first terminal is bent toward a side away from the second surface, and an interval is defined between a terminal of the insulation layer close to the first terminal and the first terminal.Type: GrantFiled: April 7, 2020Date of Patent: March 26, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Yong Fan
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Patent number: 11940680Abstract: The present invention provides a display panel and a display module. The display panel includes a first substrate, a first electrode layer, a light control layer, a second electrode layer, and a second substrate. The light control layer includes a first liquid crystal and light blocking layers. When no voltage is applied to the light control layer, the first liquid crystal is configured as an atomized liquid crystal for scattering light. When a voltage is applied to the light control layer, the first liquid crystal is configured as a transparent liquid crystal, thereby effectively improving an anti-peep performance of the display panel.Type: GrantFiled: November 23, 2020Date of Patent: March 26, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Mingming Ni, Haotian Xu, Zhiqing Shi
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Patent number: 11940721Abstract: A projection display device and a projection display equipment are provided. The projection display device includes a display screen body, a photosensitive device, and a control module. The control module is electrically connected to the display screen body, the photosensitive device outputs a photosensitive signal when sensing a projection light beam, and the control module is electrically connected to the photosensitive device to receive the photosensitive signal and to control a section on the display screen body corresponding to a projection position of the projection light beam to be converted from a transparent state to an opaque state according to the photosensitive signal.Type: GrantFiled: May 15, 2020Date of Patent: March 26, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Lei Wen, Zhiqing Shi, Miao Jiang, Jiangbo Yao, Lixuan Chen, Xin Zhang
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Patent number: 11943949Abstract: A display panel includes a first substrate including a first leading line, a second substrate including a cover plate, a first electrode disposed on the cover plate in a direction of the first substrate and extending from a non-light-emitting region to light-emitting region, and a second leading line disposed on the first electrode.Type: GrantFiled: January 16, 2020Date of Patent: March 26, 2024Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Shiqi Liu
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Patent number: 11942559Abstract: The present application provides a method of preventing thin film transistor (TFT) from electrostatic discharge (ESD) damaging, a method of manufacturing a TFT, and a display panel. By fitting a test data, acquiring relationships between an anti-ESD capability of the TFT and manufacturing parameters of each film layer, according to above-mentioned relationships, disposing the manufacturing parameters of each film layer of the TFT, to prevent the TFT from ESD damaging.Type: GrantFiled: August 19, 2021Date of Patent: March 26, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Junzheng Liu
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Patent number: 11942010Abstract: A driving method of a display panel and a display device are provided. During a display period of a frame of image, when the display panel performs frequency switching, a data voltage of data signal line of the display panel or a switching voltage of pixels of the display panel is changed synchronously with the frequency switching of a displayed image, effectively alleviating problems of flickering and unsatisfactory display quality when switching between different signal frequencies, and improving a performance of the display panel.Type: GrantFiled: November 19, 2020Date of Patent: March 26, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Jianjian Ying
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Patent number: 11942486Abstract: The present invention provides a display panel. By changing a wiring mode of data lines of a sub-pixel, a non-display area of a first sub-pixel is provided with a data line branched in the display area, and a display area of the first sub-pixel is further provided with a second data line, such that by setting opposite signals of the first data line and the second data line, the coupling voltages of the two data line signals to the sub-pixels can be offset by each other, and the problem of vertical crosstalk of an ultra-narrow border display is improved.Type: GrantFiled: December 21, 2020Date of Patent: March 26, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Sen Xu, Bangqing Xiao, Hua Fu
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Publication number: 20240096863Abstract: Embodiments of the present disclosure disclose a method for manufacturing a light-emitting substrate and a light-emitting substrate. The method for manufacturing a light-emitting substrate includes: forming a plurality of light emitting diode (LED) chips on a substrate, wherein a spacer region is deposed between adjacent LED chips; forming a black photoresist layer on the substrate to cover the plurality of LED chips and the plurality of spacer regions; performing first exposure on the black photoresist layer to reduce the black photoresist layer on the LED chips; and performing second exposure on the black photoresist layer to cure the black photoresist layer.Type: ApplicationFiled: October 27, 2021Publication date: March 21, 2024Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Xue BAI
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Patent number: 11935454Abstract: A brightness compensation method and device of a display panel, a readable storage medium, and a display device are provided. A display panel is divided into at least one region. The region includes a to-be-corrected region. Wherein, the brightness compensation method includes: using a photographing component to photograph the display panel displaying a preset grayscale image; obtaining an image of the to-be-corrected region under a preset grayscale; obtaining brightness data of the to-be-corrected region, wherein the regional viewing angle is an included angle between a connection line of an optical center of a lens of the photographing component connecting to a center of the at least one region, and a normal of the display panel; correcting brightness of the to-be-corrected region to obtain corrected brightness data of the to-be-corrected region; and performing brightness compensation on the display panel according to the corrected brightness data of the to-be-corrected region.Type: GrantFiled: September 23, 2022Date of Patent: March 19, 2024Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Ling Xu, Xinhong Chen
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Patent number: 11935900Abstract: A display panel and a manufacturing method of a display panel are provided. The display panel includes a display area and a non-display area disposed on one side of the display area. A driving chip and a fanout wiring area are disposed in the non-display area. A fanout line module is disposed in the fanout wiring area. The fanout line module includes a first wiring area and a second wiring area. A first signal line connecting the data line is disposed in the first wiring area. A second signal line connecting the gate line and another first signal line connecting the data line are disposed in the second wiring area.Type: GrantFiled: October 15, 2020Date of Patent: March 19, 2024Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Yingchun Zhao
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Patent number: 11935457Abstract: A method of driving a display panel includes: driving a plurality of sub-pixels of a plurality of sub-pixel groups to display in a plurality of frames. In each of the sub-pixel groups in each frame, a number of the sub-pixels with high gray-scale data compensation status and the positive polarity is equal to a number of the sub-pixels with the high gray-scale data compensation status and the negative polarity, a ratio of a number of the sub-pixels with the high gray-scale data compensation status to a number of the sub-pixels with low gray-scale data compensation status is 1:m, where m is an integer greater than 1.Type: GrantFiled: April 28, 2023Date of Patent: March 19, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Jhenwei He, Jianyu Liu
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Patent number: 11937452Abstract: The present disclosure provides a display screen and a display device. The display screen includes a display panel; a bonding layer disposed on the display panel; a shielding layer disposed on the bonding layer; and a cover plate disposed on the shielding layer; wherein the shielding layer or the bonding layer includes a photosensitive material, and a light transmittance of the photosensitive material becomes less than a threshold under ultraviolet light.Type: GrantFiled: July 8, 2020Date of Patent: March 19, 2024Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Mingjun Zhou
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Publication number: 20240088300Abstract: A driving substrate, a manufacturing method thereof, and a display panel are disclosed. The driving substrate includes a display area and a non-display area. The driving substrate includes a substrate, a first thin film transistor structure, and a second thin film transistor structure. The first thin film transistor structure is disposed on the substrate and corresponds to the non-display area. The first thin film transistor structure includes a first light shielding layer, a first active layer, and a first gate electrode. The first light shielding layer is multiplexed into the second gate. The first light shielding layer is electrically connected to the first gate electrode.Type: ApplicationFiled: March 4, 2022Publication date: March 14, 2024Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Fangmei Liu, Weiran Cao
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Patent number: 11923384Abstract: The present disclosure provides a display panel, a manufacturing method thereof, and a display device. The display panel includes a first transistor. The first transistor includes a first semiconductor layer, and the first semiconductor layer includes bismuth selenium oxide materials to enhance mobility of the first transistor and improve electrical performance of the display panel, so that the display panel meets requirements of high refresh rate and high transmittance.Type: GrantFiled: November 19, 2020Date of Patent: March 5, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Yu Zhang, Miao Jiang, Jiangbo Yao, Lixuan Chen, Xin Zhang
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Patent number: 11922868Abstract: This application provides a pixel driving circuit and a display panel. The pixel driving circuit includes N pixel driving units connected in cascade. Any one of the pixel driving units includes a light-emitting module, a switch module connected to a first control signal of an nth stage, a detection module connected to a second control signal of the nth stage, and a reset module connected to a reset signal of the nth stage; and the reset signal of the nth stage is connected to an output terminal that outputs a control signal of an mth stage.Type: GrantFiled: May 31, 2021Date of Patent: March 5, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Zhibin Han
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Patent number: 11925039Abstract: The present disclosure provides an optical-sensing device, a manufacturing method thereof, and a display panel. The optical-sensing device includes a sensor TFT disposed on a substrate and a switch TFT connected with the sensor TFT. The sensor TFT and the switch TFT include a first active layer and a second active layer, the first active layer comprises a first IGZO layer and a perovskite layer disposed on the first IGZO layer, and the second active layer comprises a second IGZO layer.Type: GrantFiled: November 17, 2020Date of Patent: March 5, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Haijun Wang
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Patent number: 11921375Abstract: A mini light-emitting diode (mini-LED) backlight module, a manufacturing method thereof, and a display panel are provided. A plurality of backlight partitions are defined on a flexible substrate to improve brightness uniformity. A plurality of mini-LEDs arranged in an array in each of the backlight partitions are formed into parallel modules, so that a driving voltage and current of the backlight module can be within an appropriate range. The flexible substrate is further arranged with a first metal pattern, and signals can be independently input to each of the mini-LEDs through each of first sub-metal patterns, reducing metal trace resistance of the backlight module, and further improving brightness uniformity of the backlight module.Type: GrantFiled: August 4, 2020Date of Patent: March 5, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Zhuhui Li
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Patent number: 11921391Abstract: A display panel including a thin film transistor array substrate, a color filter substrate, a gold ball, a color resist bump, a first transparent electrode, and a second transparent electrode is provided. The first transparent electrode covers the color resist bump and is connected to the second transparent electrode at a top of the color resist bump. The display panel disclosed in the present invention improves stability of a common electrode signal by constructing a new electrode signal channel, and prevents a technical problem of horizontal crosstalk on the display panel.Type: GrantFiled: September 15, 2020Date of Patent: March 5, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Zhan Li