Patents by Inventor Tao LIAO
Tao LIAO 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).
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Publication number: 20230354787Abstract: The present invention relates to a heat stress resisting technology for transport of live fish. Display screens are arranged in a transport case on the four side surfaces and the top surface, a plurality of transparent interlayer trays are arranged in the fish tank from the bottom to the top, a plurality of small through holes are formed in the interlayer trays, an oxygen generator is arranged in the transport case, an oxygen content meter is arranged in a pipeline of the oxygen generator, a refrigeration system is arranged in the transport case on one side surface, an air exchange pipe is arranged in the fish tank, the air exchange pipe extends out of the transport case, a second solenoid valve is arranged in the air exchange pipe. The present invention makes fish have no swimming activity and lack of response to external stimuli.Type: ApplicationFiled: July 19, 2023Publication date: November 9, 2023Inventors: Tao Liao, Liang Qiu, Juguang Wang, Chan Bai, Guangquan Xiong, Xiaoyan Zu, Hailan Li, Shengrong Geng
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Publication number: 20230306894Abstract: An image processing method, for processing image data to be displayed by a display panel having a display area being divided into multiple sub-areas, including: determining a power-saving ratio for each sub-area according to a power-saving level; and sequentially adjusting image data of each sub-area in the original image data according to the power-saving ratio corresponding to said sub-area to generate output image data. In the output image data, a characteristic value of the image data corresponding to one of the sub-areas is reduced.Type: ApplicationFiled: December 7, 2022Publication date: September 28, 2023Applicant: NOVATEK Microelectronics Corp.Inventors: Hui-Feng Lin, Yen-Tao Liao
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Publication number: 20230298220Abstract: An image processing method including the following steps is provided. An image information of an image is received, wherein the image includes a plurality of blocks and the image information includes a plurality of pixel information of each block. A dual gamma correction is performed on a first group of blocks of the image to obtain one or more corrected blocks and the dual gamma correction is skipped on a second group of blocks of the image to obtain a plurality of uncorrected blocks. A first encoding process is performed on the one or more corrected blocks to obtain a plurality of first encoded blocks. A second encoding process different from the first encoding process is performed on the plurality of uncorrected blocks to obtain a plurality of second encoded blocks.Type: ApplicationFiled: May 24, 2023Publication date: September 21, 2023Applicant: Novatek Microelectronics Corp.Inventors: Hui-Yu Jiang, Heng-Yao Lin, Yen-Tao Liao
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Patent number: 11763738Abstract: A display driver circuit of controlling a display panel includes an emission compensation circuit and an emission optimization circuit. The emission compensation circuit generates an emission compensation estimate according to at least a gray level, an initial emission duty cycle, and a pulse count of a number of emission pulses in a data frame of the display panel. The emission optimization circuit is coupled to the emission compensation circuit and generates a compensated emission signal according to the initial emission duty cycle and the emission compensation estimate, and drive the display panel according to the compensated emission signal.Type: GrantFiled: February 2, 2023Date of Patent: September 19, 2023Assignee: NOVATEK Microelectronics Corp.Inventors: Hung-I Wang, Yen-Tao Liao
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Patent number: 11741636Abstract: An image processing method including the following steps is provided. An image information of an image is received, wherein the image includes a plurality of blocks and the image information includes a plurality of pixel information of each block. A dual gamma correction is performed on a first group of blocks of the image to obtain one or more corrected blocks and the dual gamma correction is skipped on a second group of blocks of the image to obtain a plurality of uncorrected blocks. A first encoding process is performed on the one or more corrected blocks to obtain a plurality of first encoded blocks. A second encoding process different from the first encoding process is performed on the plurality of uncorrected blocks to obtain a plurality of second encoded blocks.Type: GrantFiled: August 7, 2020Date of Patent: August 29, 2023Assignee: Novatek Microelectronics Corp.Inventors: Hui-Yu Jiang, Heng-Yao Lin, Yen-Tao Liao
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Publication number: 20230206872Abstract: A timing control circuit is provided to control a data voltage outputted to a pixel array of a display panel during a frame period to perform a polarity reversal every N scan lines, where N is a positive integer. The timing control circuit includes a receiver and an adjustment circuit. The receiver is configured to sequentially receive first display data and second display data for one data line of the display panel. The adjustment circuit is coupled to the receiver to adjust at least one of gray information of the second display data and charging time of the second display data according to a voltage polarity of the first display data and a voltage polarity of the second display data. A corresponding operation method of the timing control circuit is also provided.Type: ApplicationFiled: December 29, 2021Publication date: June 29, 2023Applicant: Novatek Microelectronics Corp.Inventors: Yi-Tsung Lin, Yen-Tao Liao
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Patent number: 11668706Abstract: Provided are a near-infrared II polymer fluorescent sub-microsphere and a method for preparing the same. The method includes steps of 1) dissolving fluorochrome in a water-immiscible organic solvent, thus obtaining a fluorochrome solution; 2) distributing a polymer sub-microsphere into a sodium dodecyl sulfonate solution, thus obtaining a sub-microsphere solution with the polymer sub-microsphere as a carrier for the fluorochrome; 3) subjecting a first mixture of the fluorochrome solution and the sub-microsphere solution to ultrasonic treatment, thus obtaining an emulsion; 4) swelling the emulsion such that the fluorochrome solution enters nanopores formed during swelling of the polymer sub-microsphere, thus obtaining a second mixture; and 5) heating the second mixture to volatilize the organic solvent, such that the fluorochrome is crystallized out and encapsulated in the nanopores, thus obtaining the near-infrared II polymer fluorescent sub-microsphere.Type: GrantFiled: November 6, 2017Date of Patent: June 6, 2023Assignee: WWHS BIOTECH, INC.Inventors: Tao Liao, Guoxin Wang, Meijie Tang, Qinglai Yang, Su Zhao, Yongye Liang
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Publication number: 20230142325Abstract: The invention discloses a modified chitosan-LZM-CA composite antibacterial cling film optimized by response surface methodology and the preparation method and application thereof, relates to the technical field of food packaging materials. The invention provides freshwater crayfish as the research object, and adopts the modified chitosan, lysozyme (LZM), a good film-forming material carrageenan (CA) as the composite antibacterial cling film materials, and through the response surface experimental design to determine the best ratio of modified chitosan-LZM-CA composite antibacterial cling film. Furthermore, the TVB-N value and the change value of the total number of bacterial colonies of the freshwater crayfish with the composite antibacterial cling film during refrigeration, can be regarded as indicators to examine the preservation effect, providing a theoretical basis of the chitosan composite film preservation technology development and application for freshwater crayfish and other aquatic products.Type: ApplicationFiled: November 7, 2022Publication date: May 11, 2023Inventors: Tao Liao, Liang Qiu, Qinghua Luo, Guangquan Xiong, Chan Bai, Juguang Wang, Xiaoyan Zu, Hailan Li, Jun Wang, Hui Ma
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Patent number: 11552915Abstract: The present disclosure provides example message forwarding methods, devices, and systems. In one example method, a message server adds a first attribute tag for some group members in a group. Based on the first attribute tag, the message server creates a first subgroup consisting of the some group members. The message server receives a subgroup message including the first attribute tag, and the message server determines the first subgroup based on the first attribute tag. The message server then forwards the subgroup message to the determined first subgroup.Type: GrantFiled: May 24, 2018Date of Patent: January 10, 2023Assignee: Huawei Technologies Co., Ltd.Inventor: Tao Liao
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Patent number: 11508305Abstract: A driving method of LED display, configured to be applied to an LED display capable of varying a refresh rate thereof and able to reduce brightness changes due to refresh rate variation, is disclosed in the present disclosure. This driving method includes: controlling an organic light-emitting diode of the LED display by an emission signal having a plurality of frame periods, with each of the frame periods having a PWM part with a duty ratio; detecting whether a change in the refresh rate of the LED display exists; and performing a compensation procedure when the change is detected, with the compensation procedure compensating a brightness difference of the organic light-emitting diode occurring due to the change in the refresh rate by adjusting the duty ratio of the PWM part. Said LED display is also disclosed.Type: GrantFiled: August 18, 2020Date of Patent: November 22, 2022Assignee: Novatek Microelectronics Corp.Inventors: Huifeng Lin, Yen-Tao Liao
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Patent number: 11495177Abstract: The present invention provides an image processing circuit for compensating image data for a display panel used for displaying first and second image patterns respectively having first and second current loadings. The image processing circuit is used for: receiving a first original image data of the first image pattern and a second original image data of the second image pattern having the same brightness value for a pixel at the same location; converting the first original image data into a first final image data to compensate for an IR drop according to the first current loading; and converting the second original image data into a second final image data to compensate for the IR drop according to the second current loading. The first final image data and the second final image data have substantially the same brightness value for the pixel at the same location.Type: GrantFiled: July 7, 2021Date of Patent: November 8, 2022Assignee: NOVATEK Microelectronics Corp.Inventors: Hui-Feng Lin, Yen-Tao Liao
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Patent number: 11483530Abstract: A color compensation method includes obtaining a target brightness, a target frame rate and a target pulse number; selecting a plurality of second gamma groups from a plurality of first gamma groups according to the target brightness and the target pulse number, wherein the plurality of first gamma groups respectively correspond to a plurality of frame rates; and calculating the compensation value to compensate the display brightness and color according to the target brightness, the target frame rate, the plurality of second gamma groups and a calculation method.Type: GrantFiled: March 14, 2022Date of Patent: October 25, 2022Assignee: NOVATEK Microelectronics Corp.Inventors: En-Shi Shih, Yen-Tao Liao, Shih-Ting Huang
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Patent number: 11461888Abstract: The disclosure provides a method and an image processor for computing decay factors for display degradation compensation. The method includes the following steps. A sequence of frames including a current frame are received. Whether the current frame is a dynamic frame or a static frame is determined. When the current frame is the dynamic frame, accumulation on decay factors is performed. When the current frame is the static frame, accumulation on the decay factors is not performed.Type: GrantFiled: July 20, 2020Date of Patent: October 4, 2022Assignee: Novatek Microelectronics Corp.Inventors: Li-Chieh Chen, Yen-Tao Liao
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Publication number: 20220293028Abstract: A timing control device for the display panel includes a control circuit. The control circuit is configured to generate a plurality of gate scanning control signals and a data transmission control signal. In response to that a display refresh rate changes from a first frequency to a second frequency, the control circuit adjusts the plurality of gate scanning control signals to generate a plurality of adjusted gate scanning control signals, or adjusts the data transmission control signal to generate an adjusted data transmission control signal, for driving a display panel under the second frequency as the display refresh rate.Type: ApplicationFiled: March 11, 2022Publication date: September 15, 2022Applicant: Novatek Microelectronics Corp.Inventors: Grace Li, Jen-Ta Yang, Yen-Tao Liao, Yu-Hung Su
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Patent number: 11373607Abstract: A driving method of display device for a display device capable of reducing flicker due to refresh rate variation includes: determining whether a processor of the display device is generating a vertical blank interval of an image signal, wherein said vertical blank interval is next to a last frame data period thereof, and the last frame data period is for a last frame to be displayed by a display panel; and activating a data line of the display panel with a balancing voltage related to data of a line of the last frame when the processor is generating the vertical blank interval, wherein a plurality of sub-pixels of the display panel connects to the data line, the data of the line of the last frame are sequentially transmitted to the plurality of sub-pixels in the last frame data period for displaying the last frame. Said display device is also disclosed.Type: GrantFiled: March 16, 2020Date of Patent: June 28, 2022Assignee: Novatek Microelectronics Corp.Inventors: Yu-Hung Su, Vans Shih, Yen-Tao Liao
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Publication number: 20220044447Abstract: An image processing method including the following steps is provided. An image information of an image is received, wherein the image includes a plurality of blocks and the image information includes a plurality of pixel information of each block. A dual gamma correction is performed on a first group of blocks of the image to obtain one or more corrected blocks and the dual gamma correction is skipped on a second group of blocks of the image to obtain a plurality of uncorrected blocks. A first encoding process is performed on the one or more corrected blocks to obtain a plurality of first encoded blocks. A second encoding process different from the first encoding process is performed on the plurality of uncorrected blocks to obtain a plurality of second encoded blocks.Type: ApplicationFiled: August 7, 2020Publication date: February 10, 2022Applicant: Novatek Microelectronics Corp.Inventors: Hui-Yu Jiang, Heng-Yao Lin, Yen-Tao Liao
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Publication number: 20220020133Abstract: The disclosure provides a method and an image processor for computing decay factors for display degradation compensation. The method includes the following steps. A sequence of frames including a current frame are received. Whether the current frame is a dynamic frame or a static frame is determined. When the current frame is the dynamic frame, accumulation on decay factors is performed. When the current frame is the static frame, accumulation on the decay factors is not performed.Type: ApplicationFiled: July 20, 2020Publication date: January 20, 2022Applicant: Novatek Microelectronics Corp.Inventors: Li-Chieh Chen, Yen-Tao Liao
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Publication number: 20220013068Abstract: The present invention provides an image processing circuit for compensating image data for a display panel used for displaying first and second image patterns respectively having first and second current loadings. The image processing circuit is used for: receiving a first original image data of the first image pattern and a second original image data of the second image pattern having the same brightness value for a pixel at the same location; converting the first original image data into a first final image data to compensate for an IR drop according to the first current loading; and converting the second original image data into a second final image data to compensate for the IR drop according to the second current loading. The first final image data and the second final image data have substantially the same brightness value for the pixel at the same location.Type: ApplicationFiled: July 7, 2021Publication date: January 13, 2022Applicant: NOVATEK Microelectronics Corp.Inventors: Hui-Feng Lin, Yen-Tao Liao
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Patent number: 11222614Abstract: An image processing method with auto-adjusting gamma value is provided. This image processing method includes: receiving a detected value dependent upon a view angle between a normal direction of a screen and a sight direction of a viewer to the screen; receiving an original video frame with a plurality of pixels; determining at least one gamma table to obtain a gamma value for a pixel of the plurality of pixels according to the detected value, wherein there is an original pixel value corresponding to the pixel; and generating and outputting a corrected pixel value of the pixel based on the gamma value and the original pixel value of the pixel, wherein the screen is configured to show a corrected video frame having the pixel with the corrected pixel value. An image processing assembly and an image processing system are also provided.Type: GrantFiled: August 5, 2020Date of Patent: January 11, 2022Assignee: Novatek Microelectronics Corp.Inventors: Yun-Shu Yang, Yen-Tao Liao, Jen-Ta Yang
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Patent number: 11140393Abstract: A display device that includes an encoder circuit, a decoder circuit and an overdrive circuit is introduced. The encoder circuit includes a prediction circuit, a quantization circuit, and a bitstream coding circuit. The prediction circuit performs a prediction operation on a first image frame to generate a second image frame. The quantization circuit performs a quantization operation on the second image frame based on a quantization parameter to generated a quantized image frame. The bitstream coding circuit encodes the quantized image frame to generate an encoded bit stream. The quantization parameter is determined according to a grey level of a pixel in the second image frame. The decoder circuit decodes the encoded bit stream to generate a reconstructed image frame. The overdrive circuit generates an overdrive image frame to be displayed on a display panel based on a third image frame and the reconstructed image frame.Type: GrantFiled: June 10, 2020Date of Patent: October 5, 2021Assignee: Novatek Microelectronics Corp.Inventors: Hui-Yu Jiang, Heng-Yao Lin, Yen-Tao Liao