Patents by Inventor Cheng Tang

Cheng Tang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20220177702
    Abstract: An organic-inorganic hybrid resin is formed by reacting a polyol organic resin with a polysilsesquioxane polymer. The organic-inorganic hybrid resin has T0, T1, T2, and T3 signals of 29Si-NMR, wherein a ratio of the sum of 3 times the integral value of T0 signal and 2 times the integral value of T1 signal and the integral value of T2 signal and the integral value of T3 signal ((3T0+2T1+T2)/T3) is from 0.3 to 1.2, wherein the T0 signal range is 35 ppm to 40 ppm, the T1 signal range is 48 ppm to 53 ppm, the T2 signal range is 55 ppm to 62 ppm, and the T3 signal range is 63 ppm to 72 ppm.
    Type: Application
    Filed: December 30, 2020
    Publication date: June 9, 2022
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yuan-Chang HUANG, Shu-Yun CHIEN, Ya-Tin YU, Wei-Cheng TANG
  • Publication number: 20220173173
    Abstract: A display panel and an electronic device are provided. The display panel includes a substrate including a display area and a frame area surrounding the display area, a plurality of sub-pixels located in the display area, and a plurality of pins and a plurality of alignment marks located in the frame area. The plurality of pins includes a first pin and a second pin. At least one alignment mark of the plurality of alignment marks is a first photosensitive element. The first photosensitive element is connected to the first pin. The second pin is connected to the plurality of sub-pixels.
    Type: Application
    Filed: February 3, 2021
    Publication date: June 2, 2022
    Inventors: Lei SUO, Rucuo WEI, Cheng TANG
  • Patent number: 11348217
    Abstract: The present disclosure provides a detection method of a projector, a projector, and an electronic device. The method includes: obtaining a speckle pattern, the speckle pattern being an image generated by irradiating laser light generated by a light source in the projector onto an object by an optical element; and performing an abnormality detection on the projector according to the speckle pattern.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: May 31, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Cheng Tang, Guohui Tan, Zhihua Tian, Haitao Zhou, Xiao Tan, Jian Bai
  • Publication number: 20220153936
    Abstract: A preparation method for a spherical or angular powder filler, comprising: providing spherical or angular siloxane comprising a T unit, wherein the T unit is R1SiO3?, and R1 is a hydrogen atom or an organic group which can be independently selected from carbon atoms 1-18; and performing heat treatment on the spherical or angular siloxane under an inert gas atmosphere or atmospheric atmosphere, the heat treatment temperature being between 250 degrees and 650 degrees, so that silicon hydroxyl groups in the spherical or angular siloxane are condensed to obtain the spherical or angular powder filler. In the unit T of the spherical or angular powder filler, the content of the unit without containing a hydroxyl group in the total unit is greater than or equal to 95%, and the content of the unit containing one hydroxyl group in the total unit is less than or equal to 5%. Also disclosed are the spherical or angular powder filler obtained by the preparation method, and application thereof.
    Type: Application
    Filed: December 5, 2019
    Publication date: May 19, 2022
    Inventors: Shuzhen Chen, Rui LI, Cheng Tang, Lieping Ding, Chen Chen
  • Publication number: 20220150450
    Abstract: An image capturing method, a camera assembly, and a mobile terminal are provided. An image sensor includes a two-dimensional (2D) pixel array. The 2D pixel array includes multiple panchromatic pixels and multiple color pixels. The 2D pixel array includes minimum repeating units. Each minimal repeating unit includes multiple sub-units. Each sub-unit includes multiple monochromatic pixels and multiple panchromatic pixels. The image capturing method includes the following. The 2D pixel array is exposed to obtain a panchromatic original image and a color original image. The color original image is processed to obtain a color intermediate image. The panchromatic original image is processed to obtain a panchromatic intermediate image. The color intermediate image and/or the panchromatic intermediate image are processed to obtain a target image.
    Type: Application
    Filed: January 26, 2022
    Publication date: May 12, 2022
    Inventors: Cheng Tang, Qiqun Zhou, Gong Zhang
  • Publication number: 20220146760
    Abstract: An optical connector assembly (100) includes a housing (110), an optical ferrule (140); and an optical fiber array (150). The housing (110) has a mating end (111) and an opposite cable end (112) and includes: a first housing portion (120) including a front support (122) proximate the mating end (111) and a rear support (124) disposed between the front support (122) and the cable end (112); and a second housing portion (130) assembled to the first housing portion (120) and including a middle support (133) disposed between the front and rear supports (122,124). The ferrule (140) is supported by the front support (122). Front ends of optical fibers of the optical fiber array (150) are received by and attached to an attachment area of the ferrule (140). When the second housing portion (130) is assembled to the first housing portion (120), the middle support (133) of the second housing portion (130) contacts and bends the optical fiber array (150) about the middle support (133).
    Type: Application
    Filed: March 26, 2019
    Publication date: May 12, 2022
    Inventors: Cheng Tang, Shiwen Chen, Changbao Ma, Bing Hao, Boon K. Lee
  • Publication number: 20220139981
    Abstract: Provided are an image sensor (10), a camera assembly (40), and a mobile terminal (90). The image sensor (10) includes panchromatic pixels and color pixels. The color pixels have a narrower spectral response than the panchromatic pixels, and the color pixels have a larger conversion gain than the panchromatic pixels.
    Type: Application
    Filed: January 13, 2022
    Publication date: May 5, 2022
    Inventors: Cheng Tang, Gong Zhang, Haiyu Zhang, Xin Yang, Rui Xu, He Lan, Jianbo Sun, Xiaotao Li, Wentao Wang
  • Publication number: 20220139974
    Abstract: An image sensor (10), a camera assembly (40), and a mobile terminal (90) are provided. The image sensor (10) includes a plurality of pixels. At least some of the plurality of pixels each include an isolation layer (1183), a condenser lens (1186), and a photoelectric conversion element (117). The condenser lens (1186) is provided within the isolation layer (1183). The photoelectric conversion element (117) is configured to receive light passing through the condenser lens (1186).
    Type: Application
    Filed: January 11, 2022
    Publication date: May 5, 2022
    Inventors: Cheng Tang, Gong Zhang, Haiyu Zhang, Rui Xu, Xin Yang, He Lan, Jianbo Sun, Xiaotao Li, Wentao Wang
  • Publication number: 20220130882
    Abstract: An image sensor, a camera assembly, and a mobile terminal are provided. The image sensor includes multiple pixels, and each pixel includes an isolation layer, a light guide layer, and a photoelectric conversion element. The light guide layer is formed within the isolation layer, and the refractive index of the light guide layer is greater than the refractive index of the isolation layer. The photoelectric conversion element receives light that passes through the light guide layer.
    Type: Application
    Filed: January 11, 2022
    Publication date: April 28, 2022
    Inventors: Cheng TANG, Gong ZHANG, Haiyu ZHANG, Xin YANG, Rui XU, Jianbo SUN, He LAN, Xiaotao LI, Wentao WANG
  • Patent number: 11249399
    Abstract: A photolithography method, a method of preparing a flexible substrate and a photoresist drying device are provided. The photolithography method includes: providing a base substrate on which a material layer to be etched is formed, in which the base substrate includes an intermediate region and a peripheral region surrounding the intermediate region; coating a layer of photoresist on the base substrate, in which the photoresist is coated in the intermediate region and the peripheral region, and is formed to cover the material layer to be etched; and drying the photoresist and simultaneously performing a first exposure process on the photoresist coated in the peripheral region.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: February 15, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Cheng Tang, Zebin Sun, Zhen Zhen, Hao Zhang, Shitao Zhang, Xinxing Fan, Xudong Zhang
  • Patent number: 11252350
    Abstract: An image sensor, a camera module, a mobile terminal, and an image acquisition method are provided in the present disclosure. The image sensor includes a repeating unit in a two-dimensional pixel array. The repeating unit includes a plurality of color pixels and a plurality of transparent pixels. In the repeating unit, the plurality of transparent pixels are disposed along a first diagonal line and one or more first parallel lines parallel to the first diagonal line, and the color pixels are disposed along a second diagonal line and one or more second parallel lines parallel to the second diagonal line. The first diagonal line is different from the second diagonal line.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: February 15, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Cheng Tang, Qiqun Zhou, Gong Zhang
  • Patent number: 11243638
    Abstract: A touch assembly with a near-field communication (NFC) circuit comprises a substrate, a touch circuit, an NFC circuit, and an antenna. The substrate has a surface layer and a radiation pattern layer. The surface layer has an antenna installation area. The antenna installation area has a center position. The radiation pattern layer is made of conductive material. An orthogonal projection of the radiation pattern layer on the surface layer overlaps with the antenna installation area. The orthogonal projection extends between an outer edge of the surface layer and the center position. The touch circuit is disposed on the substrate and outside of the antenna installation area. The NFC circuit is disposed on the substrate. There is a safe distance between the NFC circuit and the touch circuit. The antenna is disposed on the substrate. The antenna is located in the antenna installation area and above the radiation pattern layer.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: February 8, 2022
    Assignee: SMART APPROACH CO., LTD.
    Inventors: Cheng-Tang Lin, Hsin-Lung Lin
  • Publication number: 20220026979
    Abstract: The present invention provides a circuitry applied to multiple power domains. An amplifier of the circuitry includes an output stage and a switching circuit. The output stage includes a first transistor and a second transistor, wherein the first transistor is coupled between a supply voltage and an output terminal, the second transistor is coupled between the output terminal and a ground voltage. The switching circuit is configured to choose a body of the first transistor from the supply voltage or a reference voltage.
    Type: Application
    Filed: May 25, 2021
    Publication date: January 27, 2022
    Inventors: Wei-Cheng Tang, Li-Lung Kao, Chia-Ling Chang, Sheng-Wei Lin, Sheng-Tsung Wang
  • Publication number: 20220009222
    Abstract: A seal member includes an annular seal body extending about a flow axis. The seal body has a first sealing face, second sealing face, and a step face. The first sealing face extends radially from the flow axis and has a planar contour. The second sealing face extends radially from the flow axis, is axially opposite the first sealing face, and has an arcuate contour. The step face extends radially from the flow axis and is defined axially between the first sealing face and the second sealing face, the step face arranged for capture between a spout and a reservoir body to capture the seal member. Fluid reservoirs and methods of making fluid reservoirs are also described.
    Type: Application
    Filed: April 5, 2019
    Publication date: January 13, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: David Daniel Welter, Kundan Singh, Tian Cheng Tang
  • Publication number: 20210399693
    Abstract: The present invention provides a circuitry applied to multiple power domains, wherein the circuitry includes a first circuit block and second circuit block, the first circuit block is powered by a first supply voltage of a first power domain, and the second circuit block is powered by a second supply voltage of a second power domain. The first circuit block includes a first amplifier and a switching circuit. The first amplifier is configured to receive an input signal to generate a processed input signal. When the second circuit block is powered by the second supply voltage, the switching circuit is configured to forward the processed input signal to the second circuit block; and when the second circuit block is not powered by the second supply voltage, the switching circuit disconnects a path between the first amplifier and the second circuit block.
    Type: Application
    Filed: May 31, 2021
    Publication date: December 23, 2021
    Inventors: Wei-Cheng Tang, Li-Lung Kao, Chia-Ling Chang, Sheng-Tsung Wang, Sheng-Wei Lin
  • Patent number: 11200437
    Abstract: A method for iris-based living body detection and related product are provided. The method includes the following. An iris image is divided into K regional images, where K is an integer greater than one. Living body detection is performed on the K regional images with P iris-based living body detection schemes to obtain K detection results, where P is an integer greater than one and less than or equal to K. Whether the iris image is obtained from an iris of a living body is determined according to the K detection results.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: December 14, 2021
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Yibao Zhou, Xueyong Zhang, Haitao Zhou, Cheng Tang
  • Publication number: 20210367012
    Abstract: A method for manufacturing the pixel definition layer includes forming a photolithographic material film on a substrate; performing a pre-drying treatment, a first exposure treatment, and a development treatment sequentially on the photolithographic material film to form an initial pattern of the pixel definition layer; and performing a second exposure treatment and a curing treatment sequentially on the initial pattern to form a final pattern of the pixel definition layer.
    Type: Application
    Filed: December 18, 2019
    Publication date: November 25, 2021
    Inventors: Shitao ZHANG, Li XIONG, Cheng TANG, Hao ZHANG, Qijun ZHAO, Heping YANG, Gaoliang XUE
  • Publication number: 20210357069
    Abstract: A touch assembly with a near-field communication (NFC) circuit comprises a substrate, a touch circuit, an NFC circuit, and an antenna. The substrate has a surface layer and a radiation pattern layer. The surface layer has an antenna installation area. The antenna installation area has a center position. The radiation pattern layer is made of conductive material. An orthogonal projection of the radiation pattern layer on the surface layer overlaps with the antenna installation area. The orthogonal projection extends between an outer edge of the surface layer and the center position. The touch circuit is disposed on the substrate and outside of the antenna installation area. The NFC circuit is disposed on the substrate. There is a safe distance between the NFC circuit and the touch circuit. The antenna is disposed on the substrate. The antenna is located in the antenna installation area and above the radiation pattern layer.
    Type: Application
    Filed: May 11, 2021
    Publication date: November 18, 2021
    Inventors: Cheng-Tang LIN, Hsin-Lung LIN
  • Patent number: 11176235
    Abstract: Disclosed are a permission control method and a related product, relating to the technical field of mobile terminals. The method comprises: a mobile terminal (200) using a processor (110) to notify, where it is determined that an operation requested by a user is of a pre-set operation type, more than one biological identification module of the mobile terminal to acquire N pieces of biological information about the user; and then, the processor (110) matching the N pieces of biological information with a pre-set biological information template, and if the N pieces of biological information all successfully match the pre-set biological information template, executing the operation requested by the user.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: November 16, 2021
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Yibao Zhou, Xueyong Zhang, Haitao Zhou, Cheng Tang
  • Publication number: 20210278760
    Abstract: In accordance with some embodiments of the present disclosure, an inspection method of a photomask includes performing a first inspection process, unloading the photomask from the inspection system, and performing a second inspection process. In the first inspection process, a common Z calibration map of an objective lens of an optical module with respect to the photomask is generated and stored, and a first image of the photomask is captured by using an image sensor while focusing the objective lens of the optical module based on the common Z calibration map. The photomask is unloaded from the inspection system. In the second inspection process, the photomask is loaded on the inspection system and a second image of the photomask is captured by using an image sensor while focusing an objective lens of an optical module based on the common Z calibration map generated in the first inspection process.
    Type: Application
    Filed: May 26, 2021
    Publication date: September 9, 2021
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tsun-Cheng Tang, Cheng-Ming Lin, Sheng-Chang Hsu, Hao-Ming Chang, Way-Len Chang