Patents Assigned to Shanghai Tianma Micro-Electronics Co., Ltd.
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Patent number: 12078836Abstract: Provided are a light guide plate assembly, a backlight module, and a display device, which relate to the field of display technologies, and improve uniformity of the light intensity of light emitted from different areas in the light guide plate assembly. The light guide plate assembly includes a reflection portion having an aperture; and a transmission portion. At least part of the transmission portion is located in the aperture. The transmission portion includes a converging portion and a diverging portion. A curvature of a surface of the converging portion adjacent to a light-incoming side of the light guide plate assembly is greater than or equal to 0, and a curvature of a surface of the diverging portion adjacent to the light-incoming side of the light guide plate assembly is smaller than or equal to 0.Type: GrantFiled: December 6, 2023Date of Patent: September 3, 2024Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Zhanxiang Guo, Yumin Xu, Binbin Chang, Zhaoxing Gao, Wanzhen Wang, Weiyang Sun, Jianguo Bian
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Patent number: 12073801Abstract: A method of controlling a backlight of a display device is disclosed. The display device includes a display panel and the backlight. The backlight includes a plurality of backlight blocks. The method determines provisional luminance values for the plurality of backlight blocks in accordance with an input video frame. The method adjusts the provisional luminance values by amounts of reduction based on a total sum of the provisional luminance values and individual provisional luminance values.Type: GrantFiled: November 15, 2021Date of Patent: August 27, 2024Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventor: Kouichi Ooga
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Patent number: 12068264Abstract: A display panel includes a first substrate, a second substrate, a light emitting element, and a first conductor. The second substrate is arranged opposite to the first substrate. The light emitting element is located on a side of the first substrate facing towards the second substrate. The first conductor is located on a side of the first substrate facing towards the second substrate.Type: GrantFiled: August 31, 2021Date of Patent: August 20, 2024Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventor: Yingteng Zhai
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Patent number: 12068332Abstract: Provided are a display panel and a display device. In an embodiment, the display panel includes: a substrate; pixel circuit islands provided at a side of the substrate, one of the pixel circuit islands includes at least one pixel circuit; light-emitting elements provided at a side of the pixel circuit islands away from the substrate and respectively electrically connected to the pixel circuits of the pixel circuit islands; and light-blocking structures including at least one of a reflective structure or a light-absorbing structure. In an embodiment, the light-blocking structures include first light-blocking structures, each of which is provided on at least one sidewall of one pixel circuit island of the pixel circuit islands. In an embodiment, the first light-blocking structure prevents light out of the pixel circuit island from entering the pixel circuit island through the sidewall of the pixel circuit island.Type: GrantFiled: March 24, 2023Date of Patent: August 20, 2024Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventor: Yingteng Zhai
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Patent number: 12057324Abstract: A semiconductor package includes a semiconductor element, a wiring structure, an encapsulation structure, and a solder ball. The semiconductor element includes a plurality of pins. A side of the wiring structure is electrically connected to the plurality of pins of the semiconductor element. The wiring structure includes at least two first wiring layers. A first insulating layer is disposed between adjacent two first wiring layers of the at least two first wiring layers. The first insulating layer includes a plurality of first through-holes. The adjacent two first wiring layers are electrically connected to each other through the plurality of first through-holes. The encapsulation structure at least partially surrounds the semiconductor element. The solder ball is located on a side of the wiring structure away from the semiconductor element. The solder ball is electrically connected to the at least two first wiring layers.Type: GrantFiled: December 29, 2022Date of Patent: August 6, 2024Assignees: Shanghai Tianma Micro-Electronics Co., Ltd., Shanghai AVIC OPTO Electronics Co., Ltd.Inventors: Xuhui Peng, Kerui Xi, Tingting Cui, Feng Qin, Jie Zhang
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Patent number: 12058886Abstract: A display module and a display device are provided. The display module includes a display panel, and an anti-reflection film disposed on a light-emitting side of the display panel. The anti-reflection film includes a buffer layer and a function layer disposed on a side of the buffer layer away from the display panel, and a refractive index of the buffer layer is greater than a refractive index of the function layer.Type: GrantFiled: December 9, 2021Date of Patent: August 6, 2024Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Chuanli Leng, Ping An
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Publication number: 20240248302Abstract: A light filter, a head up display device, and a transport means are provided. The light filter has an optical transmission region and includes an optical layer group arranged in the optical transmission region. Transmittance of the optical layer group to light within a first waveband is greater than transmittance of the optical layer group to light within a second waveband. The optical layer group includes a first layer and a second layer that are stacked together. A refractive index of the first layer is different from a refractive index of the second layer. The first layer includes a metal layer.Type: ApplicationFiled: April 2, 2024Publication date: July 25, 2024Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Fushun WAN, Lumang HU, Jiandong WANG, Xiongping LI
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Publication number: 20240248335Abstract: A display module and a display apparatus. The display module includes a display panel and a first light control panel. The first light control panel includes a first base and a second base arranged opposite to each other and a first light control liquid crystal layer arranged between the first base and the second base. The first base includes a first substrate, a first electrode, a first alignment layer, and a first polarizer. The second base includes a second substrate, a second electrode, a second alignment layer, and a second polarizer. A polarization axis of the first polarizer is perpendicular to a polarization axis of the second polarizer. An alignment direction of the first alignment layer is parallel to an alignment direction of the second alignment layer. An angle between the alignment direction of the first alignment layer and the polarization axis of the first polarizer is ?, 90°>?>0°.Type: ApplicationFiled: March 15, 2024Publication date: July 25, 2024Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Haili HAO, Zhiyuan ZHANG, Fan TIAN
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Publication number: 20240249670Abstract: A display panel, a display device and a method for driving a display panel are provided. The display panel includes N types of display areas which includes an i-th type display area and a j-th type display area. The display panel includes M display parts which include a first display part and a second display part. The first display part includes at least one i-th type display area, and the second display part includes at least one i-th type display area. At least one j-th type display area is arranged between the i-th type display area included in the first display part and the i-th type display area included in the second display part. Light-emitting time periods of the i-th type display area and the j-th type display area at least partially do not overlap, to reduce the number of sub-pixels driven at the same time period.Type: ApplicationFiled: March 18, 2024Publication date: July 25, 2024Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Yingteng ZHAI, Yuan DING
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Patent number: 12044873Abstract: A birefringence film is provided with a plurality of birefringence layers including a hybrid-aligned liquid crystalline polymer. The plurality of birefringence layers is stacked in a state in which the alignment directions of the liquid crystal polymer are identical, and the rising directions of the tilt angle of the liquid crystal polymer are identical.Type: GrantFiled: April 19, 2022Date of Patent: July 23, 2024Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Sounosuke Takahashi, Tetsushi Sato, Tetsurou Tashiro
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Publication number: 20240242664Abstract: A display panel including a substrate; a light-emitting element; and a light-shielding layer. The light-emitting element is located at a side of the substrate and includes a primary light-emitting element and an auxiliary light-emitting element. The light-shielding layer is located at a side of the light-emitting element facing away from the substrate and includes a first opening corresponding to the primary light-emitting element. The auxiliary light-emitting element is arranged at a periphery of the primary light-emitting element.Type: ApplicationFiled: March 29, 2024Publication date: July 18, 2024Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Qijun YAO, Yanbo LOU, Shengtao ZHU, Yang ZENG
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Patent number: 12040347Abstract: Provided are a display panel and a detection method therefor, and a display device. A first substrate of the display panel includes a first base plate and light-emitting elements. A second substrate opposite to the first substrate includes a second base plate and a retaining wall structure. An orthographic projection of the retaining wall structure onto the first substrate is located between adjacent light-emitting elements. The first substrate includes a first electrode, the second substrate includes a second electrode. In a first direction perpendicular to a plane where the display panel is located, the first electrode and the second electrode at least partially overlap as a first overlap, and the retaining wall structure and the first overlap at least partially overlap. The first and second electrodes are electrically connected to first signal terminal and second signal terminal, respectively.Type: GrantFiled: November 18, 2021Date of Patent: July 16, 2024Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Quanpeng Yu, Feng Lu
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Patent number: 12032248Abstract: A liquid crystal display panel includes a plurality of pixels. The pixels each include a pixel electrode, a common electrode, and a liquid crystal that rotates in-plane due to voltage applied by the pixel electrode and the common electrode. The pixel electrode includes a linear electrode. When an initial alignment direction of the liquid crystal for which dielectric anisotropy is positive, or a direction perpendicular to the initial alignment direction of the liquid crystal for which dielectric anisotropy is negative is defined as a predetermined first direction, at a boundary between pixels, of the plurality of pixels, that are adjacent to each other, a boundary line between the adjacent pixels, the linear electrode, and an end side of the linear electrode are inclined with respect to the predetermined first direction, and inclining directions with respect to the predetermined first direction of the boundary line, the linear electrode, and the end side are identical.Type: GrantFiled: February 3, 2023Date of Patent: July 9, 2024Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventor: Takayuki Konno
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Patent number: 12033974Abstract: Provided are a display panel, a preparation method thereof, and a display device. The display panel includes a plurality of sub-panels. Each sub-panel includes first substrate, second substrate, bezel adhesive located therebetween, a plurality of bank structures, and a plurality of light-emitting elements. At least one light-emitting element forms a pixel unit. Each bank structure is located between adjacent pixel units. Seaming adhesive is located between adjacent sub-panels. The sub-panels share a same first substrate, and the seaming adhesive is disposed on the same first substrate. The first substrate includes a display region and a non-display region surrounding the display region. The light-emitting elements and the bank structures are located in the display region, and the bezel adhesive is located in the non-display region. In this manner, splicing gaps between adjacent sub-panels can be effectively reduced, and thus the display effect of the display panel can be improved.Type: GrantFiled: October 28, 2021Date of Patent: July 9, 2024Assignee: Shanghai Tianma Micro-Electronics Co,. Ltd.Inventor: Quanpeng Yu
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Patent number: 12032234Abstract: Anti-peep display assembly and display device are provided. The anti-peep display assembly includes a backlight module, a first birefringence control type liquid crystal cell, a second birefringence control type liquid crystal cell, and a display liquid crystal cell. Along a thickness direction of the anti-peep display assembly, the first birefringence control type liquid crystal cell and the second birefringence control type liquid crystal cell are between the backlight module and the display liquid crystal cell, and the first birefringence control type liquid crystal cell is between the second birefringence control type liquid crystal cell and the backlight module. A first polarizer is arranged on a side of the display liquid crystal cell away from the second birefringence control type liquid crystal cell, and a second polarizer is arranged between the display liquid crystal cell and the second birefringence control type liquid crystal cell.Type: GrantFiled: February 13, 2023Date of Patent: July 9, 2024Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Zhiyuan Zhang, Xintong Ling, Fan Tian, Xiongping Li
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Patent number: 12030054Abstract: A microfluidic apparatus, and its drive circuit and drive method are provided in the present disclosure. The drive circuit includes at least one switch unit, where the switch unit includes a first signal input terminal, a signal output terminal, first and second control signal terminals, a signal terminal, a first module, a second module, and a third module. The first module is electrically connected to the first signal input terminal, the signal output terminal and the second module; and the second module is electrically connected to the first control signal terminal. The first control signal terminal is configured to control the first module and the second module to be in conduction or disconnection, and the second control signal terminal is configured to control the third module to in conduction or disconnection, thereby controlling the signal output terminal to output a first or second signal.Type: GrantFiled: February 11, 2022Date of Patent: July 9, 2024Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Ping Su, Kerui Xi, Baiquan Lin, Huihui Jiang, Yi Wang, Aowen Li, Xiao Chen
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Publication number: 20240221630Abstract: A display panel, a display device and a method for driving a display panel are provided. The display panel includes N types of display areas which includes an i-th type display area and a j-th type display area. The display panel includes M display parts which include a first display part and a second display part. The first display part includes at least one i-th type display area, and the second display part includes at least one i-th type display area. At least one j-th type display area is arranged between the i-th type display area included in the first display part and the i-th type display area included in the second display part. Light-emitting time periods of the i-th type display area and the j-th type display area at least partially do not overlap, to reduce the number of sub-pixels driven at the same time period.Type: ApplicationFiled: March 19, 2024Publication date: July 4, 2024Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Yingteng ZHAI, Yuan DING
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Publication number: 20240221631Abstract: A display panel, a display device and a method for driving a display panel are provided. The display panel includes N types of display areas which includes an i-th type display area and a j-th type display area. The display panel includes M display parts which include a first display part and a second display part. The first display part includes at least one i-th type display area, and the second display part includes at least one i-th type display area. At least one j-th type display area is arranged between the i-th type display area included in the first display part and the i-th type display area included in the second display part. Light-emitting time periods of the i-th type display area and the j-th type display area at least partially do not overlap, to reduce the number of sub-pixels driven at the same time period.Type: ApplicationFiled: March 19, 2024Publication date: July 4, 2024Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Yingteng ZHAI, Yuan DING
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Patent number: 12027550Abstract: Provided is a display panel having a display region and a non-display region, and the display panel includes: a substrate; light-emitting elements disposed at a side of the substrate and located in the display region, each of light-emitting elements includes a light-emitting layer; and a light-shielding layer disposed at a side of the light-emitting elements facing away from the substrate, the light-shielding layer includes first apertures, and in a direction perpendicular to the substrate, each first aperture does not overlap with the light-emitting layer. In an embodiment, a distance between a first point on an edge of a first orthographic projection and a second point on an edge of a second orthographic projection is defined as a distance L, which satisfies L ? d × sin ? ? n 2 - sin 2 ? ? , where d denotes a distance between the light-emitting layer and the light-shielding layer, n denotes a refractive index of a functional film layer, ? denotes a visible angle and 0°<?<90°.Type: GrantFiled: August 18, 2021Date of Patent: July 2, 2024Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Yaodong Wu, Yang Zeng
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Patent number: 12025890Abstract: A liquid crystal display device includes a first liquid crystal display panel, and a second liquid crystal display panel that overlaps the first liquid crystal display panel. At least one of the first liquid crystal display panel and the second liquid crystal display panel includes a light blocking pattern that is repeatedly arranged and has light blocking properties. The light blocking pattern includes a first light blocking line and a second light blocking line that extend in a predetermined direction. The first light blocking line includes a first incline inclined with respect to the predetermined direction, and a second incline inclined in a direction opposite the first incline with respect to the predetermined direction, and the second light blocking line is adjacent to the first light blocking line and is line-symmetrical, with respect to the predetermined direction, to the first light blocking line.Type: GrantFiled: February 3, 2023Date of Patent: July 2, 2024Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Hidenori Ikeno, Shinya Onda, Tomomi Honda, Takayuki Konno