Patents by Inventor Nan Sun
Nan Sun 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).
-
Patent number: 12076748Abstract: Substrates having a textured surface that can maintain or improve droplet mobility in both the Cassie and Wenzel states include a textured surface and a conformal lubricant layer thereover. The textured surface can include a plurality of raised first elements and a plurality of second elements thereon and the conformal lubricant layer over the plurality of raised first elements and covering the plurality of second elements. The plurality of raised first elements can have an average height of between 0.5 ?m and 500 ?m, and the plurality of second elements can have an average height of between 0.01 ?m and 10 ?m. Such substrates can be prepared by texturing a surface of a substrate with a plurality of raised first elements and a plurality of second elements thereon; optionally silanizing the textured surface and applying a lubricant layer over the plurality of raised first elements and between the plurality of second elements.Type: GrantFiled: August 27, 2019Date of Patent: September 3, 2024Assignee: THE PENN STATE RESEARCH FOUNDATIONInventors: Xianming Dai, Birgitt M. Boschitsch, Jing Wang, Tak-Sing Wong, Nan Sun
-
Publication number: 20240286450Abstract: A method for controlling a suspension system is disclosed. The method includes obtaining a first group of signals and a second group of signals; determining whether a trigger condition is met; determining an adjustment signal for adjusting the suspension system based on related signals of the suspension system, in response to the trigger condition being met; using the adjustment signal on the suspension system; the first group of signals being signals related to a comfort braking control system and the second group of signals being signals related to driving expectations. A system for controlling a suspension system and a suspension control system are also disclosed.Type: ApplicationFiled: January 21, 2024Publication date: August 29, 2024Inventors: Jinyu LIU, Renrui Wang, Nan SUN, Spark LI
-
Publication number: 20240181131Abstract: All-in-one formulations for preparing repellent coatings on surfaces of substrates include (i) one or more reactive components that can form a bonded layer on a surface in which the bonded layer comprises an array of compound each compound having one end bound to a surface and an opposite end extending away from the surface; (ii) an optional catalyst; (iii) a solvent; and (iv) a lubricant. A repellent coating can be formed from such formulations on substrate surfaces by drying the formulation on the surface to substantially remove the solvent and to form a bonded layer on the surface with the lubricant stably adhered to the bonded layer. The formulations can be applied to surfaces of ceramics, glasses, metals, alloys, composites, polymers or combinations thereof such as ceramic or metal plumbing fixtures, surfaces of glass substrates including mirrors, windshields, windows, surfaces composed of one or more polymers, medical devices such as ostomy appliances, etc.Type: ApplicationFiled: December 18, 2023Publication date: June 6, 2024Inventors: Nan SUN, Birgitt BOSCHITSCH
-
Patent number: 11959187Abstract: Synthetic brochosomes can be prepared by disposing a monolayer of first polymer microspheres on a substrate and forming a layer of metal on the monolayer of the first polymer microspheres. A monolayer of second polymer microspheres is then disposed on the layer of metal to form a template. The second polymer microspheres are smaller than the first polymer microspheres. A brochosome material is then electrodeposited on the template. The brochosome material is selected from the group consisting of a metal, a metal oxide, a polymer or a hybrid thereof. The first polymer microspheres and the second polymer microspheres are then removed to form a coating of synthetic brochosomes of the brochosome material on the substrate.Type: GrantFiled: January 11, 2021Date of Patent: April 16, 2024Assignee: THE PENN STATE RESEARCH FOUNDATIONInventors: Tak-Sing Wong, Shikuan Yang, Nan Sun, Birgitt Boschitsch
-
Patent number: 11883558Abstract: All-in-one formulations for preparing repellent coatings on surfaces of substrates include (i) one or more reactive components that can form a bonded layer on a surface in which the bonded layer comprises an array of compound each compound having one end bound to a surface and an opposite end extending away from the surface; (ii) an optional catalyst; (iii) a solvent; and (iv) a lubricant. A repellent coating can be formed from such formulations on substrate surfaces by drying the formulation on the surface to substantially remove the solvent and to form a bonded layer on the surface with the lubricant stably adhered to the bonded layer. The formulations can be applied to surfaces of ceramics, glasses, metals, alloys, composites, polymers or combinations thereof such as ceramic or metal plumbing fixtures, surfaces of glass substrates including mirrors, windshields, windows, surfaces composed of one or more polymers, medical devices such as ostomy appliances, etc.Type: GrantFiled: September 14, 2020Date of Patent: January 30, 2024Assignee: SPOTLESS MATERIALS INC.Inventors: Nan Sun, Birgitt Boschitsch
-
Patent number: 11876528Abstract: The present disclosure relates to an analog-to-digital conversion circuit comprising: N sampling and conversion modules connected in parallel, configured to simultaneously sample and sequentially convert first analog signals of N channels to output second analog signals, wherein each of the sampling and conversion modules includes a plurality of sampling capacitors connected in parallel, wherein N is an integer greater than 1; a comparator connected to the N sampling and conversion modules, configured to comparing the second analog signals respectively to obtain comparison signals; and a control module connected to the N sampling and conversion modules and the comparator, configured to control the N sampling and conversion modules to output converted digital signals based on the comparison signals.Type: GrantFiled: October 28, 2021Date of Patent: January 16, 2024Assignee: Tsinghua UniversityInventors: Nan Sun, Yi Zhong, Jiaxin Liu
-
Patent number: 11777512Abstract: The present application discloses an analog-to-digital converter capable of cancelling sampling noise, which comprises: a sampling circuit configured to acquire an analog input signal; a sampling noise cancelling circuit has an input end connected with an output end of the sampling circuit, and is configured to cancel noise generated by the sampling circuit; a comparator has an input end connected with an output end of the sampling noise cancelling circuit, and an output end connected with an input end of a logic circuit, and is configured to compare magnitudes of output signals of the sampling noise cancelling circuit and output a comparison result to the logic circuit; and the logic circuit has an output end connected with the sampling circuit, and is configured to output a digital output signal, and process the comparison result to obtain a control signal by which an output voltage of the sampling circuit is controlled.Type: GrantFiled: July 29, 2021Date of Patent: October 3, 2023Assignee: Tsinghua UniversityInventors: Nan Sun, Jiaxin Liu
-
Patent number: 11757461Abstract: The exemplified disclosure presents a successive approximation register analog-to-digital converter circuit that comprises a two-step (e.g., two-stage) analog-to-digital converter (ADC) that operates a 1st-stage successive approximation register (SAR) in the continuous time (CT) domain (also referred to as a “1-st stage CTSAR”) that then feeds a sampling operation location in the second stage. Without a front-end sampling circuit in the 1st-stage, the exemplary successive approximation analog-to-digital converter circuit can avoid high sampling noise associated with such sampling operation and thus can be configured with a substantially smaller input capacitor size (e.g., at least 20 times smaller) as compared to conventional Nyquist ADC with a front-end sample-and-hold circuit.Type: GrantFiled: February 12, 2020Date of Patent: September 12, 2023Assignee: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEMInventors: Linxiao Shen, Nan Sun
-
Patent number: 11705920Abstract: The present application discloses a successive approximation register analog-to-digital converter with passive noise shaping, which comprises: switch capacitor arrays for acquiring analog input signals; a noise shaping circuit which is a passive integral network, the network has input ends connected respectively with output ends of the two switch capacitor arrays and for acquiring output signals of the two switch capacitor arrays, is composed of a plurality of sub passive integrators, and reconfigures the plurality of sub passive integrators to different circuit forms; a comparator which has two input ends connected respectively with output ends of the passive integral network and an output end connected with an input end of a logic circuit, and is configured to compare magnitudes of the output signals of the noise shaping circuit.Type: GrantFiled: July 26, 2021Date of Patent: July 18, 2023Assignee: Tsinghua UniversityInventors: Nan Sun, Jiaxin Liu
-
Patent number: 11569826Abstract: An exemplary incremental two-step capacitance-to-digital converter (CDC) with a time-domain sigma-delta modulator (TD??M) includes a voltage-controlled oscillator (VCO)-based integrator that can be used in a low-order loop configuration. Example prototypes are disclosed, which when fabricated in 40-nm CMOS technology, provides CDC resolution of 0.29 fF while dissipating only 0.083 nJ per conversion.Type: GrantFiled: February 16, 2021Date of Patent: January 31, 2023Assignee: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEMInventors: Xiyuan Tang, Nan Sun
-
Patent number: 11539336Abstract: An exemplary system and method is disclosed employing a floating inverter amplifier comprising an inverter-based circuit comprising an input configured to be switchable between a floating reservoir capacitor during a first phase of operation and to a device power source during a second phase of operation. In some embodiments, the floating inverter amplifier is further configured for current reuse and dynamic bias. In other embodiments, the floating inverter amplifier is further configured with a dynamic cascode mechanism that does not need any additional bias voltage. The dynamic cascode mechanism may be used in combination with 2-step fast-settling operation to provide high-gain and high-speed noise suppression operation.Type: GrantFiled: June 4, 2021Date of Patent: December 27, 2022Assignee: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEMInventors: Nan Sun, Xiyuan Tang
-
Publication number: 20220337258Abstract: The exemplified disclosure presents a successive approximation register analog-to-digital converter circuit that comprises a two-step (e.g., two-stage) analog-to-digital converter (ADC) that operates a 1st-stage successive approximation register (SAR) in the continuous time (CT) domain (also referred to as a “1-st stage CTSAR”) that then feeds a sampling operation location in the second stage. Without a front-end sampling circuit in the 1st-stage, the exemplary successive approximation analog-to-digital converter circuit can avoid high sampling noise associated with such sampling operation and thus can be configured with a substantially smaller input capacitor size (e.g., at least 20 times smaller) as compared to conventional Nyquist ADC with a front-end sample-and-hold circuit.Type: ApplicationFiled: February 12, 2020Publication date: October 20, 2022Inventors: Linxiao SHEN, Nan SUN
-
Publication number: 20220296786Abstract: Formulations for preparing repellent coatings on surfaces of substrates, such as medical devices, can include a non-cyclic volatile siloxane solvent such as a linear or a branched volatile alkyl (e.g., methyl) siloxane solvent and mixtures thereof. Such formulations include (i) one or more reactive components that can form a bonded layer on a surface in which the bonded layer comprises an array of compounds having one end bound to a surface and an opposite end extending away from the surface; (ii) an acid catalyst; and (iii) the non-cyclic volatile siloxane solvent. The formulation can also include (iv) a lubricant.Type: ApplicationFiled: March 17, 2022Publication date: September 22, 2022Inventors: Nan SUN, Birgitt BOSCHITSCH, Tak-Sing WONG
-
Publication number: 20220290004Abstract: Repellent coatings for solid surfaces that repeatedly are subjected to high temperatures cycles are disclosed. The repellent coatings on such surfaces are formed from a formulation having (i) one or more reactive silane or siloxane components that can form a bonded layer on the surface in which the bonded layer comprises an array of compounds each compound having one end bound to the surface and an opposite end extending away from the surface, (ii) an acid catalyst, and (iii) a solvent. A lubricant can be included in the formulation or applied on a formed bonded layer. The surface of the substrate and repellent coating thereon are subjected to a temperature of above and below 65° C. as a cycle and the cycle repeated at least twice.Type: ApplicationFiled: March 10, 2022Publication date: September 15, 2022Inventors: Nan SUN, Birgitt BOSCHITSCH, Tak-Sing WONG
-
Patent number: 11355040Abstract: A method for inspecting functionality of a display device and a test equipment are provided. The method for inspecting functionality of the display device is utilized in a test equipment of an auto-test system. The method includes controlling an image capturing device to capture a test image shown on a screen of the display device for generating a captured image, acquiring an encoded pattern from the captured image and decoding the encoded pattern, wherein the test image is a source image generated by an image providing device superposed with the encoded pattern, determining whether the encoded pattern is successfully decoded to generate a resultant data, and comparing the resultant data with reference data to generate a comparison result after the encoded pattern is successfully decoded, wherein the reference data comprises information associated with the test image and information associated with system configuration of the display device.Type: GrantFiled: November 11, 2020Date of Patent: June 7, 2022Assignee: NOVATEK Microelectronics Corp.Inventors: Sheng-Nan Sun, Jia-yu Wang, Chi-Cheng Hung, Kun-Yen Wu
-
Publication number: 20220149862Abstract: The present disclosure relates to an analog-to-digital conversion circuit comprising: N sampling and conversion modules connected in parallel, configured to simultaneously sample and sequentially convert first analog signals of N channels to output second analog signals, wherein each of the sampling and conversion modules includes a plurality of sampling capacitors connected in parallel, wherein N is an integer greater than 1; a comparator connected to the N sampling and conversion modules, configured to comparing the second analog signals respectively to obtain comparison signals; and a control module connected to the N sampling and conversion modules and the comparator, configured to control the N sampling and conversion modules to output converted digital signals based on the comparison signals.Type: ApplicationFiled: October 28, 2021Publication date: May 12, 2022Inventors: Nan SUN, Yi ZHONG, Jiaxin LIU
-
Publication number: 20220148469Abstract: A method for inspecting functionality of a display device and a test equipment are provided. The method for inspecting functionality of the display device is utilized in a test equipment of an auto-test system. The method includes controlling an image capturing device to capture a test image shown on a screen of the display device for generating a captured image, acquiring an encoded pattern from the captured image and decoding the encoded pattern, wherein the test image is a source image generated by an image providing device superposed with the encoded pattern, determining whether the encoded pattern is successfully decoded to generate a resultant data, and comparing the resultant data with reference data to generate a comparison result after the encoded pattern is successfully decoded, wherein the reference data comprises information associated with the test image and information associated with system configuration of the display device.Type: ApplicationFiled: November 11, 2020Publication date: May 12, 2022Inventors: Sheng-Nan Sun, Jia-yu Wang, Chi-Cheng Hung, Kun-Yen Wu
-
Patent number: 11223335Abstract: The exemplified disclosure presents a highly power efficient amplifier (e.g., front-end inverter and/or amplifier) that achieves significant current reuse (e.g., 6-time for a 3-stack embodiments) by stacking inverters and splitting the capacitor feedback network. In some embodiments, the exemplified technology facilitates N-time current reuse to substantially reduced power consumption. It is observed that the exemplified disclosure facilitates significant current-reuse operation that significantly boost gain gm while providing low noise performance without increasing power usage. In addition, the exemplified technology is implemented such that current reuse and number of transistor has a generally linear relationship and using fewer transistors as compared to known circuits of similar topology.Type: GrantFiled: June 4, 2018Date of Patent: January 11, 2022Assignee: Board of Regents, The University of Texas SystemInventors: Nan Sun, Linxiao Shen
-
Patent number: D965757Type: GrantFiled: March 15, 2021Date of Patent: October 4, 2022Assignee: GEMMYTEC (SHANGHAI) CO., LTD.Inventors: Nan Sun, Zhiqiang Yang
-
Patent number: D966479Type: GrantFiled: March 15, 2021Date of Patent: October 11, 2022Assignee: GEMMYTEC (SHANGHAI) CO., LTD.Inventors: Nan Sun, Zhiqiang Yang